/* roulang page: index */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
        }
        .navbar-custom .nav-links li a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            right: 50%;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            transition: all var(--transition-mid);
            opacity: 0;
        }
        .navbar-custom .nav-links li a:not(.active):hover::after {
            left: 12px;
            right: 12px;
            opacity: 0.7;
        }
        .nav-cta-btn {
            background: var(--neon);
            color: #0A1813 !important;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px !important;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.3);
            transition: all var(--transition-mid);
            text-shadow: none !important;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-glow);
            color: #FFFFFF !important;
            background: var(--neon);
        }
        .navbar-toggler-custom {
            background: transparent;
            border: 2px solid var(--neon-dim);
            border-radius: 6px;
            width: 42px;
            height: 38px;
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--neon);
        }
        .navbar-toggler-custom .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            transition: transform var(--transition-mid), opacity var(--transition-mid);
        }
        .nav-mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }
        .nav-mobile-drawer.open {
            display: flex;
        }
        .nav-mobile-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(61, 255, 162, 0.15);
            border-radius: 4px;
            transition: all var(--transition-fast);
        }
        .nav-mobile-drawer a:hover,
        .nav-mobile-drawer a.active {
            color: var(--warm-white);
            background: rgba(61, 255, 162, 0.06);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        .nav-mobile-drawer .drawer-cta {
            margin-top: 12px;
            background: var(--neon);
            color: #0A1813 !important;
            font-weight: 700;
            text-align: center;
            border: none;
            border-radius: var(--radius-btn);
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.3);
        }

        /* ========== 区块通用 ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }
        .section-block.alt-bg {
            background-color: var(--bg-secondary);
        }
        .section-block.deep-bg {
            background-color: var(--bg-deep-green);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--neon);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-label .label-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--warm-white);
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(61, 255, 162, 0.5);
        }
        .section-desc {
            font-size: 16px;
            color: var(--gray-white);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 720px;
        }
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        /* ========== Hero ========== */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 80px;
            background: var(--bg-primary);
            background-image: radial-gradient(ellipse at 70% 20%, rgba(10, 61, 44, 0.65) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(19, 37, 30, 0.8) 0%, transparent 55%);
            position: relative;
            overflow: hidden;
            min-height: 88vh;
            display: flex;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            padding: 5px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: var(--warm-white);
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--gray-white);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-selling-points {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hero-selling-points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--gray-white);
        }
        .hero-selling-points li .check-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--neon-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--neon);
            flex-shrink: 0;
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }
        .btn-primary-custom {
            background: var(--neon);
            color: #0A1813;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 14px rgba(61, 255, 162, 0.3);
            transition: all var(--transition-mid);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-glow);
            color: #FFFFFF;
            background: var(--neon);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--gold-border);
            transition: all var(--transition-mid);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary-custom:hover {
            border-color: var(--neon);
            color: var(--neon);
            transform: translateY(-2px);
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.2);
        }
        .btn-primary-custom:active,
        .btn-secondary-custom:active {
            transform: scale(0.98);
        }
        .hero-trust-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-trust-badge {
            font-size: 12px;
            color: var(--neon);
            background: rgba(19, 37, 30, 0.8);
            border: 1px solid var(--neon-dim);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            letter-spacing: 0.03em;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-hero-img);
            overflow: hidden;
            border: 1px solid rgba(212, 175, 55, 0.25);
            box-shadow: 0 0 30px rgba(61, 255, 162, 0.12), 0 8px 40px rgba(0, 0, 0, 0.5);
            aspect-ratio: 4/3;
            background-size: cover;
            background-position: center;
        }
        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 61, 44, 0.35) 0%, rgba(13, 27, 22, 0.55) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }
        .hero-image-caption {
            font-size: 13px;
            color: var(--warm-white);
            background: rgba(13, 27, 22, 0.75);
            padding: 8px 14px;
            border-radius: 8px;
            border: 1px solid var(--gold-dim);
            max-width: 90%;
        }

        /* ========== 卡片通用 ========== */
        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            border: 1px solid var(--gold-dim);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), var(--gold));
            opacity: 0;
            transition: opacity var(--transition-mid);
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--neon-dim);
        }
        .content-card:hover::before {
            opacity: 1;
        }
        .card-icon-box {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .card-rating-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .rating-dot {
            width: 10px;
            height: 10px;
            border-radius: 2px;
            background: var(--gold-dim);
        }
        .rating-dot.filled {
            background: var(--gold);
            box-shadow: 0 0 6px rgba(212, 175, 55, 0.5);
        }
        .rating-label {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-left: 6px;
        }
        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--gold);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .card-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            transition: all var(--transition-fast);
        }
        .card-link-arrow:hover {
            color: var(--neon);
            gap: 8px;
        }

        /* ========== 案例横卡 ========== */
        .case-card {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-mid);
            height: 100%;
        }
        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--neon-dim);
        }
        .case-card-img {
            width: 33%;
            min-height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .case-card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .case-card-tag {
            font-size: 12px;
            color: var(--warning-orange);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .case-card-title {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .case-card-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
            flex-grow: 1;
        }

        /* ========== 数据块 ========== */
        .data-block {
            text-align: center;
            padding: 26px 16px;
            background: rgba(13, 27, 22, 0.6);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            height: 100%;
            transition: all var(--transition-mid);
        }
        .data-block:hover {
            border-color: var(--neon-dim);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .data-number {
            font-family: var(--font-numeric);
            font-size: 38px;
            font-weight: 700;
            color: var(--neon);
            margin-bottom: 8px;
            line-height: 1.1;
            letter-spacing: 0.04em;
        }
        .data-label {
            font-size: 14px;
            color: var(--warm-white);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .data-note {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.6;
        }

        /* ========== 步骤流程 ========== */
        .step-flow {
            display: flex;
            gap: 28px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            position: relative;
            padding-left: 52px;
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 40px;
            bottom: 0;
            width: 2px;
            background: var(--gold-dim);
        }
        .step-item:last-child::before {
            display: none;
        }
        .step-dot {
            position: absolute;
            left: 4px;
            top: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-deep-green);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 10px rgba(212, 175, 55, 0.25);
            z-index: 1;
        }
        .step-title {
            font-size: 16px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
        }

        /* ========== 对比表 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            box-shadow: var(--shadow-card);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
            background: var(--bg-card);
        }
        .compare-table th {
            background: var(--bg-deep-green);
            color: var(--warm-white);
            font-size: 14px;
            font-weight: 650;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 2px solid var(--neon-dim);
            letter-spacing: 0.03em;
        }
        .compare-table td {
            padding: 14px 20px;
            font-size: 14px;
            color: var(--gray-white);
            border-bottom: 1px solid var(--gold-dim);
            line-height: 1.6;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table tr:hover td {
            background: rgba(61, 255, 162, 0.04);
        }

        /* ========== 时间线 ========== */
        .timeline-wrap {
            position: relative;
            padding-left: 28px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--neon-dim), var(--gold-dim));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 24px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        .timeline-date {
            font-size: 12px;
            color: var(--neon);
            font-family: var(--font-numeric);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .timeline-title {
            font-size: 15px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 4px;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--gold-dim);
            transition: all var(--transition-fast);
        }
        .news-list-item:hover {
            border-bottom-color: var(--neon-dim);
        }
        .news-list-item a {
            display: block;
            text-decoration: none;
        }
        .news-list-title {
            font-size: 15px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }
        .news-list-item:hover .news-list-title {
            color: var(--neon);
        }
        .news-list-meta {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .news-list-summary {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
        }
        .news-reco-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            padding: 18px;
            margin-bottom: 14px;
            display: flex;
            gap: 12px;
            align-items: center;
            transition: all var(--transition-mid);
        }
        .news-reco-card:hover {
            border-color: var(--neon-dim);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .news-reco-thumb {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            border: 1px solid var(--gold-dim);
        }
        .news-reco-info {
            flex: 1;
        }
        .news-reco-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--warm-white);
            margin-bottom: 2px;
            line-height: 1.4;
        }
        .news-reco-meta {
            font-size: 12px;
            color: var(--gray-white-faint);
        }

        /* ========== 用户评价 ========== */
        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
        }
        .testimonial-card:hover {
            transform: translateY(-3px);
            border-color: var(--neon-dim);
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-quote {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            flex-grow: 1;
            margin-bottom: 12px;
            font-style: normal;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--gold);
            font-weight: 700;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--warm-white);
        }
        .testimonial-scene {
            font-size: 12px;
            color: var(--gray-white-faint);
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-text {
            font-size: 15px;
            color: var(--gray-white);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .capability-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .capability-tag {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--warm-white);
            transition: all var(--transition-mid);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .capability-tag:hover {
            border-color: var(--neon);
            color: var(--neon);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-mid);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--neon-dim);
        }
        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition-mid);
            letter-spacing: 0.02em;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--warm-white);
            background: var(--bg-card);
            box-shadow: none;
            border-left: 4px solid var(--neon);
            padding-left: 16px;
        }
        .accordion-custom .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            color: var(--neon);
            font-size: 13px;
            transition: transform var(--transition-mid);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--neon);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(61, 255, 162, 0.3);
            border-color: var(--neon);
        }
        .accordion-custom .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 18px 20px;
            border-top: 1px solid var(--gold-dim);
        }

        /* ========== 表单 ========== */
        .cta-form-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .form-label-custom {
            font-size: 13px;
            color: var(--gray-white);
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
            letter-spacing: 0.03em;
        }
        .form-control-custom {
            background: var(--bg-primary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 11px 16px;
            font-size: 14px;
            transition: all var(--transition-mid);
            width: 100%;
            margin-bottom: 16px;
        }
        .form-control-custom::placeholder {
            color: var(--gray-white-faint);
        }
        .form-control-custom:focus {
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(61, 255, 162, 0.15);
            outline: none;
            background: var(--bg-primary);
            color: var(--warm-white);
        }
        .form-select-custom {
            background: var(--bg-primary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 11px 16px;
            font-size: 14px;
            transition: all var(--transition-mid);
            width: 100%;
            margin-bottom: 16px;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23D4AF37' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .form-select-custom:focus {
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(61, 255, 162, 0.15);
            outline: none;
            background-color: var(--bg-primary);
            color: var(--warm-white);
        }
        .form-textarea-custom {
            min-height: 110px;
            resize: vertical;
        }
        .form-note {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 10px;
            line-height: 1.6;
        }

        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            border-top: 2px solid var(--neon-dim);
            padding: 48px 0 24px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            color: var(--gold);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--gray-white-faint);
            transition: all var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid var(--gold-dim);
            padding-top: 20px;
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .footer-bottom a {
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .footer-bottom a:hover {
            color: var(--neon);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .section-block {
                padding: var(--section-padding-mobile) 0;
            }
            .hero-section {
                padding-top: 110px;
                padding-bottom: 56px;
                min-height: auto;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-image-wrap {
                aspect-ratio: 16/10;
                margin-top: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .navbar-custom .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-mobile-drawer .drawer-cta {
                display: block;
            }
            .case-card {
                flex-direction: column;
            }
            .case-card-img {
                width: 100%;
                min-height: 160px;
            }
            .step-flow {
                flex-direction: column;
                gap: 18px;
            }
            .step-item {
                padding-left: 52px;
            }
            .step-item::before {
                left: 22px;
                top: 40px;
                bottom: -18px;
            }
            .data-number {
                font-size: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding-top: 96px;
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
                padding-left: 12px;
            }
            .section-title::before {
                width: 3px;
            }
            .content-card,
            .case-card,
            .testimonial-card,
            .cta-form-wrap {
                padding: 18px 16px;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                font-size: 14px;
                padding: 10px 18px;
            }
            .hero-trust-badge {
                font-size: 11px;
                padding: 3px 10px;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 14px;
                font-size: 13px;
            }
            .timeline-wrap {
                padding-left: 20px;
            }
            .timeline-wrap::before {
                left: 5px;
            }
            .timeline-item::before {
                left: -19px;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }

        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }

        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            text-decoration: none;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }

        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }

        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }

        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }

        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }

        .navbar-custom .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 13px;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-mid);
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background: #6dffb8;
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
            text-shadow: none;
        }

        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }

        .navbar-toggler-custom .bar {
            width: 26px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            transition: all var(--transition-mid);
        }

        .navbar-toggler-custom.open .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler-custom.open .bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler-custom.open .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding-top: 100px;
            padding-bottom: 16px;
            background: var(--bg-primary);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-white-faint);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--gray-white);
            transition: color var(--transition-fast);
        }

        .breadcrumb-custom a:hover {
            color: var(--neon);
        }

        .breadcrumb-custom .separator {
            color: var(--gold-dim);
        }

        .breadcrumb-custom .current {
            color: var(--neon);
            font-weight: 600;
        }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            padding: 48px 0 56px;
            background: var(--bg-primary);
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 75% 30%, rgba(10, 61, 44, 0.5) 0%, transparent 68%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--gray-white);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--neon);
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-badge);
            letter-spacing: 0.04em;
        }

        .hero-img-wrap {
            border-radius: var(--radius-hero-img);
            overflow: hidden;
            border: 1px solid rgba(212, 175, 55, 0.2);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(61, 255, 162, 0.08);
        }

        .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* ========== 通用区块 ========== */
        .section-pad {
            padding: 72px 0;
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .section-title-wrap {
            margin-bottom: 36px;
        }

        .section-title-wrap h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-title-wrap .title-accent {
            display: inline-block;
            width: 40px;
            height: 3px;
            background: var(--neon);
            border-radius: 2px;
            margin-bottom: 12px;
            box-shadow: 0 0 10px rgba(61, 255, 162, 0.5);
        }

        .section-title-wrap .title-desc {
            font-size: 14px;
            color: var(--gray-white-faint);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== 规则速览卡 ========== */
        .rule-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 22px;
            height: 100%;
            transition: all var(--transition-mid);
            position: relative;
            overflow: hidden;
        }

        .rule-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), rgba(61, 255, 162, 0.15));
            opacity: 0;
            transition: opacity var(--transition-mid);
        }

        .rule-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .rule-card:hover::before {
            opacity: 1;
        }

        .rule-card .rule-icon {
            width: 46px;
            height: 46px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold-border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            color: var(--gold);
            font-size: 18px;
        }

        .rule-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 10px;
        }

        .rule-card p {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .rule-card .score-row {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
        }

        .score-row .score-label {
            font-size: 11px;
            color: var(--gray-white-faint);
            margin-right: 4px;
        }

        .score-row .score-dot {
            width: 10px;
            height: 10px;
            border-radius: 2px;
            background: var(--gold-dim);
        }

        .score-row .score-dot.filled {
            background: var(--gold);
            box-shadow: 0 0 6px rgba(212, 175, 55, 0.5);
        }

        /* ========== 文章列表 ========== */
        .article-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            margin-bottom: 18px;
            transition: all var(--transition-mid);
        }

        .article-list-item:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
        }

        .article-list-item .article-img {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid rgba(212, 175, 55, 0.15);
        }

        .article-list-item .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-list-item .article-body {
            flex: 1;
            min-width: 0;
        }

        .article-list-item .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }

        .article-tags .mini-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            color: var(--neon);
            background: rgba(61, 255, 162, 0.08);
            border: 1px solid rgba(61, 255, 162, 0.25);
            border-radius: var(--radius-badge);
        }

        .article-tags .mini-tag.gold-tag {
            color: var(--gold);
            background: rgba(212, 175, 55, 0.08);
            border-color: rgba(212, 175, 55, 0.3);
        }

        .article-list-item h3 {
            font-size: 16px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .article-list-item h3 a {
            color: var(--warm-white);
            transition: color var(--transition-fast);
        }

        .article-list-item h3 a:hover {
            color: var(--neon);
        }

        .article-list-item .article-excerpt {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-meta i {
            color: var(--gold);
        }

        /* ========== 目录卡 ========== */
        .toc-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 22px;
            position: sticky;
            top: 88px;
        }

        .toc-card .toc-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toc-card .toc-title i {
            color: var(--neon);
        }

        .toc-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .toc-card ul li {
            margin-bottom: 4px;
        }

        .toc-card ul li a {
            display: block;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--gray-white);
            border-radius: 6px;
            border-left: 2px solid transparent;
            transition: all var(--transition-fast);
        }

        .toc-card ul li a:hover,
        .toc-card ul li a.active-toc {
            color: var(--neon);
            background: rgba(61, 255, 162, 0.06);
            border-left-color: var(--neon);
            text-shadow: none;
        }

        .toc-card .toc-note {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--gold-dim);
            font-size: 12px;
            color: var(--gray-white-faint);
            line-height: 1.6;
        }

        /* ========== 数据要点区 ========== */
        .data-strip {
            background: var(--bg-secondary);
            border-top: 1px solid var(--gold-dim);
            border-bottom: 1px solid var(--gold-dim);
            padding: 48px 0;
        }

        .data-block {
            text-align: center;
            padding: 16px 10px;
        }

        .data-block .data-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--neon);
            font-family: var(--font-numeric);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .data-block .data-label {
            font-size: 13px;
            color: var(--gray-white);
            margin-top: 6px;
        }

        .data-block .data-desc {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }

        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition-fast);
            position: relative;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--warm-white);
            box-shadow: none;
            border-left: 4px solid var(--neon);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--neon);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1) sepia(1) saturate(500%) hue-rotate(100deg);
        }

        .accordion-custom .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 16px 20px;
            border-top: 1px solid var(--gold-dim);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--gold-dim);
            padding: 72px 0;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--neon), var(--gold), rgba(61, 255, 162, 0.2));
        }

        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 12px;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .btn-primary-neon {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-mid);
        }

        .btn-primary-neon:hover {
            background: #6dffb8;
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }

        .btn-secondary-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--gold-border);
            cursor: pointer;
            transition: all var(--transition-mid);
        }

        .btn-secondary-ghost:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.25);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            border-top: 2px solid rgba(61, 255, 162, 0.15);
            padding: 56px 0 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-icon {
            width: 40px;
            height: 40px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }

        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
        }

        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links li a {
            font-size: 13px;
            color: var(--gray-white-faint);
            transition: color var(--transition-fast);
        }

        .footer-links li a:hover {
            color: var(--neon);
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-bottom: 6px;
            line-height: 1.6;
        }

        .footer-bottom .footer-meta-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }

        .footer-bottom .footer-meta-links a {
            color: var(--gray-white-faint);
        }

        .footer-bottom .footer-meta-links a:hover {
            color: var(--neon);
        }

        .footer-bottom .footer-beian {
            font-size: 11px;
            color: var(--gray-white-faint);
            margin-top: 10px;
            line-height: 1.8;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .navbar-custom .nav-links li a {
                padding: 8px 8px;
                font-size: 13px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--bg-primary);
                flex-direction: column;
                gap: 4px;
                padding: 24px 20px;
                overflow-y: auto;
                z-index: 999;
            }

            .navbar-custom .nav-links.show {
                display: flex;
            }

            .navbar-custom .nav-links li {
                width: 100%;
            }

            .navbar-custom .nav-links li a {
                display: block;
                padding: 14px 16px;
                font-size: 16px;
                border-bottom: 1px solid rgba(61, 255, 162, 0.08);
                border-radius: 0;
            }

            .navbar-custom .nav-links li a.active::after {
                left: 0;
                right: 0;
                bottom: 0;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .nav-cta-btn {
                display: none;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .section-pad {
                padding: 56px 0;
            }

            .article-list-item {
                flex-direction: column;
            }

            .article-list-item .article-img {
                width: 100%;
                height: 180px;
            }

            .toc-card {
                position: static;
                margin-top: 24px;
            }

            .cta-card {
                padding: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 32px 0 40px;
            }

            .category-hero h1 {
                font-size: 22px;
                line-height: 1.4;
            }

            .category-hero .hero-sub {
                font-size: 14px;
            }

            .section-title-wrap h2 {
                font-size: 20px;
            }

            .data-block .data-number {
                font-size: 28px;
            }

            .cta-card {
                padding: 22px;
            }

            .cta-card h2 {
                font-size: 20px;
            }

            .footer-wrap {
                padding: 40px 0 24px;
            }

            .rule-card {
                padding: 18px;
            }

            .article-list-item .article-img {
                height: 160px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero h1 {
                font-size: 20px;
            }

            .section-pad {
                padding: 40px 0;
            }

            .data-block {
                padding: 10px 6px;
            }

            .data-block .data-number {
                font-size: 24px;
            }

            .article-list-item {
                padding: 14px;
                gap: 14px;
            }

            .article-list-item .article-img {
                height: 140px;
            }

            .article-list-item h3 {
                font-size: 14px;
            }

            .cta-card {
                padding: 18px;
            }

            .btn-primary-neon,
            .btn-secondary-ghost {
                font-size: 13px;
                padding: 10px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航 */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
            text-shadow: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
            border-radius: 1px;
        }
        .nav-cta-btn {
            display: inline-block;
            background-color: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-mid);
            flex-shrink: 0;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .nav-cta-btn:hover {
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
            text-shadow: none;
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
        }
        .navbar-toggler-custom .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }

        /* 移动端导航抽屉 */
        @media (max-width: 991.98px) {
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-custom .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--bg-primary);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 24px 20px;
                gap: 6px;
                transform: translateX(100%);
                transition: transform var(--transition-mid);
                z-index: 999;
                overflow-y: auto;
            }
            .navbar-custom .nav-links.open {
                transform: translateX(0);
            }
            .navbar-custom .nav-links li {
                width: 100%;
                border-bottom: 1px solid rgba(61, 255, 162, 0.1);
            }
            .navbar-custom .nav-links li a {
                padding: 14px 6px;
                font-size: 16px;
                display: block;
                width: 100%;
            }
            .navbar-custom .nav-links li a.active::after {
                display: none;
            }
            .navbar-custom .nav-links li a.active {
                border-left: 3px solid var(--neon);
                padding-left: 12px;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-custom .nav-wrap {
                padding: 0 16px;
            }
        }

        /* 面包屑 */
        .breadcrumb-section {
            padding-top: 112px;
            padding-bottom: 8px;
            background-color: var(--bg-primary);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-white-faint);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav li+li::before {
            content: '/';
            color: var(--gray-white-faint);
            font-size: 12px;
        }
        .breadcrumb-nav a {
            color: var(--gray-white);
            font-size: 13px;
        }
        .breadcrumb-nav a:hover {
            color: var(--neon);
            text-shadow: none;
        }
        .breadcrumb-nav .current {
            color: var(--gold);
            font-weight: 600;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            padding: 48px 0 56px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-radius: 0;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 22, 0.92) 30%, rgba(13, 27, 22, 0.65) 70%, rgba(10, 61, 44, 0.5) 100%);
            z-index: 1;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .hero-banner h1 .highlight {
            color: var(--gold);
            border-bottom: 2px solid var(--gold-dim);
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--gray-white);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 28px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            background-color: rgba(19, 37, 30, 0.6);
            color: var(--neon);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-badge i {
            font-size: 12px;
            color: var(--gold);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary-neon {
            background-color: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-mid);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-neon:hover {
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
            text-shadow: none;
        }
        .btn-ghost-gold {
            background-color: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--gold-border);
            transition: all var(--transition-mid);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-ghost-gold:hover {
            color: var(--neon);
            border-color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.4);
            background-color: rgba(61, 255, 162, 0.06);
            box-shadow: none;
        }

        /* 筛选标签 */
        .filter-section {
            padding: 36px 0 12px;
            background-color: var(--bg-primary);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            border: 1px solid var(--gold-dim);
            background-color: transparent;
            color: var(--gray-white);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--gold);
            color: var(--warm-white);
        }
        .filter-tag.active {
            background-color: var(--neon);
            color: #0D1B16;
            border-color: var(--neon);
            font-weight: 700;
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.35);
        }
        .filter-tag .tag-count {
            font-size: 12px;
            font-weight: 600;
            opacity: 0.75;
            font-family: var(--font-numeric);
        }

        /* 番型卡片网格 */
        .fan-grid-section {
            padding: 24px 0 72px;
            background-color: var(--bg-primary);
        }
        .fan-card {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .fan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold-border);
        }
        .fan-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--gold-dim);
            position: relative;
        }
        .fan-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(13, 27, 22, 0.35) 100%);
            pointer-events: none;
        }
        .fan-card-body {
            padding: 20px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .fan-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--gold);
            background-color: var(--gold-dim);
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            align-self: flex-start;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .fan-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .fan-card-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .fan-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            font-size: 13px;
            color: var(--gray-white-faint);
        }
        .fan-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
        }
        .fan-rating span {
            font-size: 14px;
            letter-spacing: 1px;
        }
        .fan-freq {
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .fan-card.hidden-card {
            display: none;
        }

        /* 番型对比表 */
        .compare-section {
            padding: 64px 0;
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(212, 175, 55, 0.1);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header .section-eyebrow {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .section-eyebrow .line {
            width: 28px;
            height: 2px;
            background-color: var(--neon);
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.6);
        }
        .section-eyebrow .label {
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 15px;
            color: var(--gray-white);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }
        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            background-color: var(--bg-card);
            box-shadow: var(--shadow-card);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            margin-bottom: 0;
        }
        .compare-table thead th {
            background-color: var(--bg-deep-green);
            color: var(--warm-white);
            font-size: 14px;
            font-weight: 700;
            padding: 14px 16px;
            border-bottom: 2px solid var(--neon);
            letter-spacing: 0.04em;
            text-align: left;
            white-space: nowrap;
        }
        .compare-table tbody td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
            vertical-align: top;
            line-height: 1.65;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background-color: rgba(61, 255, 162, 0.04);
        }
        .compare-table .table-fan-name {
            color: var(--warm-white);
            font-weight: 700;
            white-space: nowrap;
        }
        .compare-table .difficulty-dots {
            color: var(--gold);
            font-size: 13px;
            letter-spacing: 2px;
        }
        .compare-table .freq-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .freq-high {
            background-color: rgba(61, 255, 162, 0.15);
            color: var(--neon);
        }
        .freq-mid {
            background-color: rgba(212, 175, 55, 0.15);
            color: var(--gold);
        }
        .freq-low {
            background-color: rgba(255, 140, 66, 0.15);
            color: var(--warning-orange);
        }

        /* 识别步骤 */
        .steps-section {
            padding: 64px 0;
            background-color: var(--bg-primary);
        }
        .step-item {
            position: relative;
            padding-left: 52px;
            padding-bottom: 36px;
            border-left: 2px dashed rgba(212, 175, 55, 0.25);
            margin-left: 18px;
        }
        .step-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }
        .step-number {
            position: absolute;
            left: -18px;
            top: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--bg-deep-green);
            border: 2px solid var(--neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--neon);
            font-family: var(--font-numeric);
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.3);
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .step-item p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-section {
            padding: 64px 0;
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(212, 175, 55, 0.1);
        }
        .accordion-custom .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid rgba(212, 175, 55, 0.15);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }
        .accordion-custom .accordion-header .accordion-button {
            background-color: var(--bg-card);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            letter-spacing: 0.02em;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
            border-radius: var(--radius-card);
        }
        .accordion-custom .accordion-header .accordion-button:not(.collapsed) {
            color: var(--warm-white);
            background-color: var(--bg-card);
            border-left: 4px solid var(--neon);
            box-shadow: none;
        }
        .accordion-custom .accordion-header .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--neon);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-header .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            color: var(--neon);
            font-size: 13px;
            transition: transform var(--transition-mid);
        }
        .accordion-custom .accordion-header .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--neon);
        }
        .accordion-custom .accordion-body {
            background-color: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 18px 20px;
            border-top: 1px solid rgba(212, 175, 55, 0.1);
        }
        .accordion-custom .accordion-body p {
            margin-bottom: 8px;
        }
        .accordion-custom .accordion-body p:last-child {
            margin-bottom: 0;
        }

        /* CTA */
        .cta-section {
            padding: 72px 0;
            background-color: var(--bg-deep-green);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61, 255, 162, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-card {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .cta-card p {
            font-size: 14px;
            color: var(--gray-white);
            margin-bottom: 0;
            max-width: 480px;
            line-height: 1.75;
        }
        .cta-form-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: flex-end;
            flex: 1;
            min-width: 240px;
            max-width: 460px;
        }
        .cta-form-wrap input,
        .cta-form-wrap select,
        .cta-form-wrap textarea {
            background-color: var(--bg-primary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            font-size: 14px;
            padding: 10px 14px;
            width: 100%;
            transition: all var(--transition-fast);
            font-family: var(--font-main);
        }
        .cta-form-wrap input:focus,
        .cta-form-wrap select:focus,
        .cta-form-wrap textarea:focus {
            border-color: var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.25);
            outline: none;
        }
        .cta-form-wrap input::placeholder,
        .cta-form-wrap textarea::placeholder {
            color: var(--gray-white-faint);
        }
        .cta-form-wrap label {
            font-size: 13px;
            color: var(--gray-white);
            margin-bottom: 4px;
            display: block;
        }
        .cta-form-field {
            flex: 1;
            min-width: 140px;
        }
        .cta-form-field-full {
            flex: 2;
            min-width: 180px;
        }
        .cta-submit-btn {
            background-color: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 15px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-mid);
            letter-spacing: 0.02em;
            white-space: nowrap;
            cursor: pointer;
        }
        .cta-submit-btn:hover {
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
            background-color: #5effb0;
        }
        .cta-form-note {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 10px;
            width: 100%;
            letter-spacing: 0.02em;
        }

        /* 页脚 */
        .footer-wrap {
            background-color: var(--bg-footer);
            padding: 56px 0 0;
            border-top: 2px solid var(--neon);
            position: relative;
        }
        .footer-wrap::before {
            content: '';
            position: absolute;
            top: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon), transparent);
            opacity: 0.6;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 40px;
            height: 40px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.03em;
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
            letter-spacing: 0.05em;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background-color: var(--neon);
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li a {
            font-size: 13px;
            color: var(--gray-white);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
            display: inline-block;
        }
        .footer-links li a:hover {
            color: var(--neon);
            padding-left: 4px;
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            text-align: center;
            font-size: 12px;
            color: var(--gray-white-faint);
            line-height: 1.8;
        }
        .footer-bottom a {
            font-size: 12px;
            color: var(--gray-white);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom .sep {
            color: var(--gray-white-faint);
            margin: 0 8px;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .hero-banner h1 {
                font-size: 28px;
            }
            .hero-banner {
                padding: 36px 0 44px;
            }
            .compare-section,
            .steps-section,
            .faq-section {
                padding: 48px 0;
            }
            .fan-grid-section {
                padding-bottom: 48px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-card {
                padding: 28px 22px;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form-wrap {
                max-width: 100%;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 767.98px) {
            .breadcrumb-section {
                padding-top: 96px;
            }
            .hero-banner h1 {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .fan-card-body {
                padding: 16px;
            }
            .fan-card-title {
                font-size: 16px;
            }
            .fan-card-desc {
                font-size: 13px;
            }
            .compare-section,
            .steps-section,
            .faq-section {
                padding: 36px 0;
            }
            .fan-grid-section {
                padding-bottom: 36px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .step-item {
                padding-left: 42px;
                margin-left: 14px;
            }
            .step-number {
                left: -14px;
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .footer-wrap {
                padding-top: 40px;
            }
            .footer-bottom {
                font-size: 11px;
            }
            .filter-tag {
                font-size: 13px;
                padding: 6px 14px;
            }
        }
        @media (max-width: 519.98px) {
            .hero-banner h1 {
                font-size: 22px;
            }
            .btn-primary-neon,
            .btn-ghost-gold {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-card h2 {
                font-size: 20px;
            }
            .filter-tags {
                gap: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            background: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-mid);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            color: var(--warm-white);
            background: #1ac07a;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .navbar-toggler-custom .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        @media (max-width: 991px) {
            .navbar-custom .nav-links {
                display: none;
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 4px;
                border-bottom: 2px solid var(--gold-dim);
                max-height: calc(100vh - 68px);
                overflow-y: auto;
                z-index: 999;
            }
            .navbar-custom .nav-links.open {
                display: flex;
            }
            .navbar-custom .nav-links li a {
                padding: 14px 12px;
                font-size: 16px;
                border-bottom: 1px solid rgba(212, 175, 55, 0.12);
                text-align: center;
            }
            .navbar-custom .nav-links li a.active::after {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding-top: 100px;
            padding-bottom: 12px;
        }
        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-white-faint);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li + li::before {
            content: '/';
            color: var(--gold-dim);
            font-size: 12px;
        }
        .breadcrumb-custom a {
            color: var(--gray-white);
        }
        .breadcrumb-custom a:hover {
            color: var(--neon);
        }
        .breadcrumb-custom .current {
            color: var(--neon);
        }
        /* ========== 分类页头部 ========== */
        .category-hero {
            padding: 24px 0 48px;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            border-bottom: 1px solid var(--gold-dim);
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .category-hero .hero-subtitle {
            font-size: 16px;
            color: var(--gray-white);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-subtitle {
                font-size: 14px;
            }
        }
        /* ========== 区块通用 ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-padding-mobile) 0;
            }
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--neon);
            border: 1px solid var(--neon-dim);
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.12em;
        }
        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 15px;
            color: var(--gray-white);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* ========== 统计卡片 ========== */
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--neon));
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--gold-border);
        }
        .stat-card .stat-number {
            font-family: var(--font-numeric);
            font-size: 32px;
            font-weight: 700;
            color: var(--neon);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--warm-white);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .stat-card .stat-desc {
            font-size: 12px;
            color: var(--gray-white-faint);
            line-height: 1.6;
        }
        /* ========== 概率图表区 ========== */
        .chart-card {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }
        .chart-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 16px;
        }
        .prob-bar-group {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .prob-bar-item {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .prob-bar-header {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--gray-white);
        }
        .prob-bar-header .bar-label {
            font-weight: 600;
            color: var(--warm-white);
        }
        .prob-bar-header .bar-value {
            font-family: var(--font-numeric);
            color: var(--neon);
            font-weight: 700;
        }
        .prob-bar-track {
            height: 10px;
            background: rgba(247, 243, 236, 0.08);
            border-radius: 6px;
            overflow: hidden;
        }
        .prob-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--gold), var(--neon));
            border-radius: 6px;
            transition: width var(--transition-slow);
        }
        /* ========== 内容卡片 ========== */
        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--gold-border);
        }
        .info-card .card-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gold);
            margin-bottom: 12px;
        }
        .info-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .info-card p {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== 列表项 ========== */
        .prob-list-item {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        }
        .prob-list-item:last-child {
            border-bottom: none;
        }
        .prob-list-item .item-num {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--neon);
            font-family: var(--font-numeric);
        }
        .prob-list-item .item-content h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 4px;
        }
        .prob-list-item .item-content p {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== 图片卡片 ========== */
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--gold-border);
        }
        .scene-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--gold-dim);
        }
        .scene-card .scene-body {
            padding: 18px;
        }
        .scene-card .scene-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            color: var(--warning-orange);
            border: 1px solid rgba(255, 140, 66, 0.35);
            border-radius: 4px;
            margin-bottom: 10px;
        }
        .scene-card h3 {
            font-size: 16px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 6px;
        }
        .scene-card p {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .accordion-custom .accordion-button {
            background: var(--bg-secondary);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 20px;
            box-shadow: none;
            border: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-secondary);
            color: var(--warm-white);
            border-left: 4px solid var(--neon);
            padding-left: 16px;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--neon);
        }
        .accordion-custom .accordion-button::after {
            filter: invert(70%) sepia(50%) saturate(500%) hue-rotate(110deg);
        }
        .accordion-custom .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 18px 20px;
        }
        /* ========== 用户评价 ========== */
        .review-card {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all var(--transition-mid);
        }
        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold-border);
        }
        .review-card .review-stars {
            color: var(--gold);
            font-size: 13px;
            margin-bottom: 8px;
        }
        .review-card p {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .review-card .review-author {
            font-size: 12px;
            color: var(--gray-white-faint);
            font-weight: 600;
        }
        /* ========== 合作伙伴/能力标签 ========== */
        .partner-tag {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: 8px;
            padding: 12px 16px;
            transition: all var(--transition-fast);
        }
        .partner-tag:hover {
            border-color: var(--gold-border);
            background: rgba(212, 175, 55, 0.06);
        }
        .partner-tag .partner-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--gold);
            flex-shrink: 0;
        }
        .partner-tag .partner-info h5 {
            font-size: 14px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 2px;
        }
        .partner-tag .partner-info p {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-bottom: 0;
            line-height: 1.5;
        }
        /* ========== CTA/联系 ========== */
        .cta-section {
            background: var(--bg-footer);
            border-top: 1px solid var(--gold-dim);
            padding: var(--section-padding-desktop) 0;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.8;
        }
        .contact-form .form-label {
            font-size: 13px;
            color: var(--gray-white);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .contact-form .form-control,
        .contact-form .form-select {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 10px 14px;
            font-size: 14px;
            transition: all var(--transition-fast);
            margin-bottom: 16px;
        }
        .contact-form .form-control:focus,
        .contact-form .form-select:focus {
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(61, 255, 162, 0.15);
            outline: none;
        }
        .contact-form .form-control::placeholder {
            color: var(--gray-white-faint);
        }
        .contact-form textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }
        .contact-form .btn-primary-custom {
            background: var(--neon);
            border: none;
            color: #0D1B16;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-mid);
            width: 100%;
        }
        .contact-form .btn-primary-custom:hover {
            background: #1ac07a;
            color: var(--warm-white);
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .contact-form .form-note {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 12px;
            text-align: center;
        }
        /* ========== 品牌介绍 ========== */
        .brand-intro-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--gold-dim);
            border-bottom: 1px solid var(--gold-dim);
            padding: 48px 0;
        }
        .brand-intro-section h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 16px;
        }
        .brand-intro-section p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            padding: 56px 0 28px;
            border-top: 1px solid var(--gold-dim);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 40px;
            height: 40px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--gray-white);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--neon);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .footer-bottom a {
            color: var(--gray-white-faint);
        }
        .footer-bottom a:hover {
            color: var(--neon);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .stat-card .stat-number {
                font-size: 26px;
            }
            .cta-section {
                padding: var(--section-padding-mobile) 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            padding-top: 68px;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 10px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 10px;
            font-size: 13px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: "";
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: 0;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 18px;
            font-size: 13px;
            font-weight: 700;
            color: #0D1B16;
            background: var(--neon);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all var(--transition-mid);
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }
        .nav-cta-btn:hover {
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }
        .navbar-toggler-custom .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 30px 24px;
            overflow-y: auto;
            border-top: 2px solid rgba(61, 255, 162, 0.15);
        }
        .mobile-drawer.open {
            display: block;
        }
        .mobile-drawer .drawer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer .drawer-links li a {
            display: block;
            padding: 14px 4px;
            font-size: 16px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(61, 255, 162, 0.12);
            transition: all var(--transition-fast);
        }
        .mobile-drawer .drawer-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
            padding-left: 10px;
        }
        .mobile-drawer .drawer-links li a.active {
            color: var(--warm-white);
            border-left: 3px solid var(--neon);
            padding-left: 14px;
        }
        .mobile-drawer .nav-cta-btn-mobile {
            display: inline-block;
            margin-top: 20px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            color: #0D1B16;
            background: var(--neon);
            border-radius: var(--radius-btn);
            text-align: center;
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background-color: transparent;
            padding: 18px 0 0;
            margin-bottom: 0;
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 13px;
            color: var(--gray-white-faint);
        }
        .breadcrumb-bar .breadcrumb-item a {
            color: var(--gold);
        }
        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--neon);
        }
        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--gray-white);
        }
        .breadcrumb-item + .breadcrumb-item::before {
            color: var(--gold-dim);
            content: "/";
        }
        /* ========== Hero ========== */
        .hero-category {
            padding: 48px 0 40px;
            background: radial-gradient(ellipse at 30% 20%, rgba(10, 61, 44, 0.4) 0%, transparent 60%), radial-gradient(ellipse at 70% 70%, rgba(212, 175, 55, 0.08) 0%, transparent 50%), var(--bg-primary);
            position: relative;
        }
        .hero-category .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--neon);
            border: 1px solid var(--gold-border);
            border-radius: 50px;
            background: rgba(19, 37, 30, 0.8);
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .hero-category h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-category .hero-subtitle {
            font-size: 16px;
            color: var(--gray-white);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 20px;
        }
        .hero-category .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--gray-white-faint);
        }
        .hero-category .hero-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .hero-category .hero-meta i {
            color: var(--gold);
        }
        /* ========== 主内容区 ========== */
        .main-content-section {
            padding: 40px 0 72px;
            background: var(--bg-primary);
        }
        .main-content-section .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .main-content-section .section-label::before {
            content: "";
            display: inline-block;
            width: 18px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
        }
        .main-content-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .main-content-section .section-desc {
            font-size: 14px;
            color: var(--gray-white-faint);
            margin-bottom: 28px;
            max-width: 620px;
            line-height: 1.7;
        }
        /* ========== 横卡列表 ========== */
        .strategy-horizontal-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 20px;
            transition: all var(--transition-mid);
            position: relative;
        }
        .strategy-horizontal-card:hover {
            border-color: var(--neon);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .strategy-horizontal-card .card-img-wrap {
            flex: 0 0 220px;
            position: relative;
            overflow: hidden;
            min-height: 180px;
        }
        .strategy-horizontal-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .strategy-horizontal-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .strategy-horizontal-card .card-body-wrap {
            flex: 1;
            padding: 18px 22px 16px 4px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .strategy-horizontal-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--warning-orange);
            letter-spacing: 0.04em;
            margin-bottom: 2px;
        }
        .strategy-horizontal-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 4px;
        }
        .strategy-horizontal-card .card-excerpt {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .strategy-horizontal-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
        }
        .strategy-horizontal-card .card-link:hover {
            color: var(--neon);
            gap: 8px;
        }
        .strategy-horizontal-card .card-score {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 4px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .strategy-horizontal-card .card-score .stars {
            color: var(--gold);
            letter-spacing: 2px;
        }
        /* ========== 侧边推荐 ========== */
        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 20px;
            margin-bottom: 20px;
        }
        .sidebar-widget .widget-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-widget .widget-title i {
            color: var(--gold);
            font-size: 14px;
        }
        .sidebar-widget .widget-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-widget .widget-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(212, 175, 55, 0.08);
        }
        .sidebar-widget .widget-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-widget .widget-list li a {
            font-size: 13px;
            color: var(--gray-white);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
            transition: all var(--transition-fast);
        }
        .sidebar-widget .widget-list li a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .sidebar-widget .widget-list li a .dot {
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
            margin-top: 7px;
        }
        .sidebar-widget .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-widget .tag-cloud .tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 11px;
            color: var(--gray-white);
            border: 1px solid var(--gold-dim);
            border-radius: 50px;
            transition: all var(--transition-fast);
        }
        .sidebar-widget .tag-cloud .tag:hover {
            border-color: var(--neon);
            color: var(--neon);
        }
        .sidebar-widget .stat-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(212, 175, 55, 0.08);
            font-size: 13px;
        }
        .sidebar-widget .stat-item:last-child {
            border-bottom: none;
        }
        .sidebar-widget .stat-item .stat-label {
            color: var(--gray-white-faint);
        }
        .sidebar-widget .stat-item .stat-value {
            color: var(--neon);
            font-weight: 700;
            font-family: var(--font-numeric);
        }
        /* ========== 数据带 ========== */
        .data-strip {
            padding: 40px 0;
            background: var(--bg-deep-green);
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
        }
        .data-strip .data-item {
            text-align: center;
            padding: 10px 8px;
        }
        .data-strip .data-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--neon);
            font-family: var(--font-numeric);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .data-strip .data-label {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.5;
        }
        /* ========== 流程条 ========== */
        .process-section {
            padding: 56px 0 56px;
            background: var(--bg-primary);
        }
        .process-step {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
            position: relative;
        }
        .process-step .step-circle {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: var(--bg-deep-green);
            border: 2px solid var(--gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--gold);
            font-family: var(--font-numeric);
            z-index: 1;
        }
        .process-step .step-content {
            flex: 1;
            padding-top: 4px;
        }
        .process-step .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 4px;
        }
        .process-step .step-desc {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
        }
        /* ========== 对比表 ========== */
        .comparison-table-wrap {
            margin-top: 32px;
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
            min-width: 600px;
        }
        .comparison-table thead th {
            background: var(--bg-deep-green);
            color: var(--warm-white);
            font-weight: 700;
            padding: 12px 14px;
            border-bottom: 2px solid var(--neon);
            text-align: left;
            font-size: 13px;
            letter-spacing: 0.04em;
        }
        .comparison-table tbody td {
            padding: 12px 14px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(212, 175, 55, 0.12);
            background: var(--bg-card);
            line-height: 1.6;
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: rgba(19, 37, 30, 0.6);
        }
        .comparison-table tbody td:first-child {
            color: var(--warm-white);
            font-weight: 600;
            white-space: nowrap;
        }
        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0 72px;
            background: var(--bg-primary);
        }
        .faq-section .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 10px;
        }
        .faq-section .accordion-button {
            background: var(--bg-card);
            color: var(--gray-white);
            border: 1px solid var(--gold-dim);
            border-radius: 8px !important;
            padding: 16px 18px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: none;
            transition: all var(--transition-mid);
            line-height: 1.5;
        }
        .faq-section .accordion-button:hover {
            color: var(--warm-white);
            border-color: var(--neon);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--bg-deep-green);
            color: var(--warm-white);
            border-color: var(--neon);
            border-left: 4px solid var(--neon);
            box-shadow: none;
        }
        .faq-section .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--neon);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            content: "\f077";
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--neon);
            outline-offset: 2px;
        }
        .faq-section .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            border: 1px solid var(--gold-dim);
            border-top: none;
            border-radius: 0 0 8px 8px;
            padding: 16px 18px;
            font-size: 14px;
            line-height: 1.8;
        }
        /* ========== CTA ========== */
        .cta-section {
            padding: 56px 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(10, 61, 44, 0.5) 0%, transparent 70%), var(--bg-primary);
            border-top: 1px solid rgba(212, 175, 55, 0.15);
        }
        .cta-section .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
        }
        .cta-section .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .cta-section .cta-text p {
            font-size: 14px;
            color: var(--gray-white-faint);
            margin: 0;
            line-height: 1.7;
        }
        .cta-section .cta-btn {
            display: inline-block;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 700;
            color: #0D1B16;
            background: var(--neon);
            border-radius: var(--radius-btn);
            transition: all var(--transition-mid);
            white-space: nowrap;
        }
        .cta-section .cta-btn:hover {
            color: #0D1B16;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        /* ========== 表单 ========== */
        .contact-section {
            padding: 56px 0 72px;
            background: var(--bg-primary);
        }
        .contact-section .form-control {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 11px 14px;
            font-size: 14px;
            transition: all var(--transition-mid);
        }
        .contact-section .form-control:focus {
            border-color: var(--neon);
            box-shadow: 0 0 10px rgba(61, 255, 162, 0.2);
            background: var(--bg-secondary);
        }
        .contact-section .form-label {
            font-size: 13px;
            color: var(--gray-white);
            margin-bottom: 6px;
            font-weight: 600;
        }
        .contact-section .form-text-muted {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 6px;
        }
        .contact-section .submit-btn {
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 700;
            color: #0D1B16;
            background: var(--neon);
            border: none;
            border-radius: var(--radius-btn);
            transition: all var(--transition-mid);
        }
        .contact-section .submit-btn:hover {
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            border-top: 2px solid rgba(61, 255, 162, 0.15);
            padding: 48px 0 24px;
            color: var(--gray-white);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links li a {
            font-size: 13px;
            color: var(--gray-white-faint);
            transition: all var(--transition-fast);
        }
        .footer-links li a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            padding-top: 18px;
            margin-top: 32px;
            font-size: 12px;
            color: var(--gray-white-faint);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--gray-white-faint);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .navbar-custom .nav-links li a {
                padding: 6px 8px;
                font-size: 12px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category .hero-subtitle {
                font-size: 14px;
            }
            .strategy-horizontal-card {
                flex-direction: column;
            }
            .strategy-horizontal-card .card-img-wrap {
                flex: 0 0 auto;
                min-height: 160px;
                max-height: 220px;
            }
            .strategy-horizontal-card .card-body-wrap {
                padding: 14px 18px 16px;
            }
            .cta-section .cta-box {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 767.98px) {
            body {
                padding-top: 60px;
            }
            .navbar-custom {
                min-height: 60px;
            }
            .navbar-custom .nav-wrap {
                min-height: 60px;
                padding: 0 14px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .brand-name {
                font-size: 15px;
            }
            .brand-sub {
                font-size: 10px;
            }
            .hero-category {
                padding: 32px 0 24px;
            }
            .hero-category h1 {
                font-size: 22px;
            }
            .hero-category .hero-subtitle {
                font-size: 13px;
            }
            .hero-category .hero-meta {
                gap: 10px;
                font-size: 11px;
                flex-wrap: wrap;
            }
            .main-content-section {
                padding: 24px 0 48px;
            }
            .main-content-section h2 {
                font-size: 20px;
            }
            .data-strip .data-value {
                font-size: 24px;
            }
            .data-strip .data-label {
                font-size: 11px;
            }
            .process-section {
                padding: 36px 0;
            }
            .faq-section {
                padding: 36px 0 48px;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-section .cta-box {
                padding: 24px 18px;
            }
            .cta-section .cta-text h2 {
                font-size: 18px;
            }
            .contact-section {
                padding: 36px 0 48px;
            }
            .footer-wrap {
                padding: 32px 0 16px;
            }
            .footer-bottom {
                font-size: 11px;
                gap: 6px;
            }
            .comparison-table {
                font-size: 12px;
                min-width: 480px;
            }
        }
        @media (max-width: 575.98px) {
            .strategy-horizontal-card .card-img-wrap {
                min-height: 130px;
            }
            .strategy-horizontal-card .card-title {
                font-size: 15px;
            }
            .strategy-horizontal-card .card-excerpt {
                font-size: 13px;
            }
            .sidebar-widget {
                padding: 14px;
            }
            .data-strip .data-item {
                padding: 6px 4px;
            }
            .data-strip .data-value {
                font-size: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 11px;
            font-size: 14px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--neon);
            color: #0A0F0C;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: #5EFFB2;
            box-shadow: var(--shadow-btn-glow);
            color: #0A0F0C;
            transform: translateY(-2px);
            text-shadow: none;
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .navbar-toggler-custom .bar {
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        /* ========== 页面顶部偏移 ========== */
        .page-top-spacing {
            padding-top: 68px;
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 28px 0 16px;
            background: var(--bg-primary);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-white-faint);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '/';
            color: var(--gray-white-faint);
            opacity: 0.5;
        }
        .breadcrumb-custom a {
            color: var(--gray-white);
            font-size: 13px;
        }
        .breadcrumb-custom a:hover {
            color: var(--neon);
            text-shadow: none;
        }
        .breadcrumb-custom .current {
            color: var(--gold);
            font-weight: 600;
        }
        /* ========== 分类页 Hero ========== */
        .category-hero {
            padding: 56px 0 64px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(61, 255, 162, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-badge {
            display: inline-block;
            padding: 4px 12px;
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--gold);
            background: rgba(212, 175, 55, 0.08);
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .category-hero h1 .highlight {
            color: var(--neon);
            text-shadow: 0 0 12px rgba(61, 255, 162, 0.4);
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--gray-white);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 24px;
        }
        .category-hero .hero-img-wrap {
            border-radius: var(--radius-hero-img);
            border: 1px solid var(--gold-dim);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
            aspect-ratio: 16 / 10;
        }
        .category-hero .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-hero .hero-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 22, 0.1) 0%, rgba(13, 27, 22, 0.55) 100%);
            pointer-events: none;
            border-radius: var(--radius-hero-img);
        }
        .category-hero .hero-meta-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .hero-meta-strip .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--gray-white);
            background: rgba(19, 37, 30, 0.7);
        }
        .hero-meta-strip .meta-chip i {
            color: var(--neon);
            font-size: 12px;
        }
        /* ========== 通用板块 ========== */
        .section-block {
            padding: 64px 0;
        }
        .section-block-alt {
            background: var(--bg-secondary);
            padding: 64px 0;
        }
        .section-title-wrap {
            margin-bottom: 36px;
        }
        .section-title-wrap .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--neon);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .section-title-wrap .section-kicker::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--neon);
            border-radius: 1px;
        }
        .section-title-wrap h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-title-wrap .section-sub {
            font-size: 15px;
            color: var(--gray-white);
            max-width: 680px;
            line-height: 1.8;
        }
        /* ========== 评分卡 ========== */
        .score-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .score-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gold-border);
            transform: translateY(-4px);
        }
        .score-card .score-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .score-card .score-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .score-card:hover .score-card-img img {
            transform: scale(1.04);
        }
        .score-card .score-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13, 27, 22, 0.7) 0%, transparent 40%);
            pointer-events: none;
        }
        .score-card .score-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(13, 27, 22, 0.85);
            border: 1px solid var(--gold);
            border-radius: var(--radius-badge);
            color: var(--gold);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            letter-spacing: 0.05em;
        }
        .score-card .score-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .score-card .score-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .score-card .score-value {
            font-size: 22px;
            font-weight: 800;
            font-family: var(--font-numeric);
            color: var(--neon);
            text-shadow: 0 0 10px rgba(61, 255, 162, 0.4);
            letter-spacing: 0.02em;
        }
        .score-card .score-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .score-card .score-tags .tag-item {
            display: inline-block;
            padding: 3px 10px;
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--gray-white);
            background: rgba(212, 175, 55, 0.06);
        }
        .score-card .score-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        .score-card .score-bars {
            display: flex;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            padding-top: 14px;
        }
        .score-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
        }
        .score-bar-row .bar-label {
            width: 72px;
            flex-shrink: 0;
            color: var(--gray-white-faint);
        }
        .score-bar-row .bar-track {
            flex: 1;
            height: 6px;
            background: rgba(247, 243, 236, 0.08);
            border-radius: 3px;
            overflow: hidden;
        }
        .score-bar-row .bar-fill {
            height: 100%;
            background: var(--neon);
            border-radius: 3px;
            transition: width var(--transition-slow);
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .score-bar-row .bar-pct {
            width: 38px;
            flex-shrink: 0;
            text-align: right;
            color: var(--neon);
            font-family: var(--font-numeric);
            font-weight: 700;
            font-size: 13px;
        }
        /* ========== 对比表格 ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
        }
        .comparison-table thead th {
            padding: 16px 18px;
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            background: var(--bg-deep-green);
            border-bottom: 2px solid var(--neon);
            text-align: left;
            white-space: nowrap;
        }
        .comparison-table thead th:first-child {
            border-top-left-radius: var(--radius-card);
        }
        .comparison-table thead th:last-child {
            border-top-right-radius: var(--radius-card);
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
            vertical-align: top;
            line-height: 1.7;
        }
        .comparison-table tbody tr:nth-child(even) {
            background: rgba(19, 37, 30, 0.5);
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover {
            background: rgba(61, 255, 162, 0.03);
        }
        .comparison-table .table-score {
            color: var(--neon);
            font-weight: 700;
            font-family: var(--font-numeric);
            font-size: 16px;
        }
        .comparison-table .table-tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
        }
        .table-tag.strong {
            background: rgba(61, 255, 162, 0.12);
            color: var(--neon);
            border: 1px solid rgba(61, 255, 162, 0.3);
        }
        .table-tag.good {
            background: rgba(212, 175, 55, 0.12);
            color: var(--gold);
            border: 1px solid var(--gold-dim);
        }
        .table-tag.normal {
            background: rgba(247, 243, 236, 0.06);
            color: var(--gray-white);
            border: 1px solid rgba(247, 243, 236, 0.12);
        }
        /* ========== 场景卡片 ========== */
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
        }
        .scene-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scene-card .scene-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .scene-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 0;
        }
        /* ========== 流程步骤 ========== */
        .step-flow {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1;
            min-width: 240px;
            padding: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            position: relative;
        }
        .step-item .step-num {
            width: 36px;
            height: 36px;
            background: var(--neon);
            color: #0A0F0C;
            font-weight: 800;
            font-family: var(--font-numeric);
            font-size: 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== FAQ 手风琴 ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            border-radius: var(--radius-card) !important;
            box-shadow: none;
            position: relative;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-deep-green);
            color: var(--warm-white);
            border-left: 4px solid var(--neon);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: invert(87%) sepia(87%) saturate(2622%) hue-rotate(137deg) brightness(106%) contrast(102%);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--neon);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.85;
            padding: 16px 20px 20px;
        }
        /* ========== CTA ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-deep-green);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(61, 255, 162, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card {
            background: rgba(13, 27, 22, 0.8);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--gray-white);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .form-control {
            background: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 10px 14px;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .form-control:focus {
            border-color: var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.2);
            background: var(--bg-card);
            color: var(--warm-white);
        }
        .form-control::placeholder {
            color: var(--gray-white-faint);
        }
        .form-select {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 10px 14px;
            font-size: 14px;
        }
        .form-select:focus {
            border-color: var(--neon);
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.2);
            background-color: var(--bg-card);
            color: var(--warm-white);
        }
        .form-label {
            color: var(--gray-white);
            font-size: 13px;
            margin-bottom: 6px;
        }
        .btn-primary-custom {
            background: var(--neon);
            color: #0A0F0C;
            font-weight: 700;
            font-size: 15px;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background: #5EFFB2;
            box-shadow: var(--shadow-btn-glow);
            color: #0A0F0C;
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            padding: 9px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--gold-border);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 12px rgba(61, 255, 162, 0.2);
            background: rgba(61, 255, 162, 0.05);
        }
        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            padding: 56px 0 0;
            border-top: 2px solid rgba(61, 255, 162, 0.18);
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 38px;
            height: 38px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white-faint);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--gray-white-faint);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 175, 55, 0.12);
            padding: 18px 0;
            margin-top: 40px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-bottom: 4px;
            line-height: 1.6;
        }
        .footer-bottom a {
            font-size: 12px;
            color: var(--gray-white-faint);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon);
            text-shadow: none;
        }
        .footer-bottom .footer-sep {
            margin: 0 6px;
            opacity: 0.4;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .navbar-custom .nav-links li a {
                padding: 8px 9px;
                font-size: 13px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                border-bottom: 2px solid rgba(61, 255, 162, 0.18);
                box-shadow: var(--shadow-nav);
                max-height: calc(100vh - 68px);
                overflow-y: auto;
            }
            .navbar-custom .nav-links.show {
                display: flex;
            }
            .navbar-custom .nav-links li a {
                padding: 13px 14px;
                font-size: 15px;
                border-bottom: 1px solid rgba(61, 255, 162, 0.08);
                border-radius: 0;
            }
            .navbar-custom .nav-links li a.active::after {
                display: none;
            }
            .navbar-custom .nav-links li a.active {
                background: rgba(61, 255, 162, 0.06);
                border-left: 3px solid var(--neon);
                padding-left: 11px;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-block,
            .section-block-alt {
                padding: 48px 0;
            }
        }
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 36px 0 48px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .category-hero .hero-img-wrap {
                margin-top: 20px;
                aspect-ratio: 4 / 3;
            }
            .section-title-wrap h2 {
                font-size: 22px;
            }
            .score-card .score-body {
                padding: 16px;
            }
            .step-flow {
                flex-direction: column;
                gap: 14px;
            }
            .step-item {
                min-width: auto;
            }
            .cta-card {
                padding: 24px 20px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
            .footer-wrap {
                padding: 40px 0 0;
            }
            .footer-bottom {
                margin-top: 28px;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-custom .nav-wrap {
                padding: 0 12px;
            }
            .brand-name {
                font-size: 15px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .nav-cta-btn {
                padding: 5px 10px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 21px;
                line-height: 1.35;
            }
            .hero-meta-strip .meta-chip {
                font-size: 12px;
                padding: 4px 10px;
            }
            .section-title-wrap h2 {
                font-size: 20px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .breadcrumb-section {
                padding: 18px 0 10px;
            }
            .breadcrumb-custom {
                font-size: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            padding-top: 68px;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        @media (max-width: 768px) {
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            position: relative;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            z-index: 1001;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 11px;
            font-size: 13px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
        }
        .navbar-custom .nav-links li a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 13px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition-mid);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .nav-cta-btn:hover {
            background: var(--warm-white);
            color: #0D1B16;
            text-shadow: none;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }
        .navbar-toggler-custom .bar {
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 0;
                border-bottom: 2px solid rgba(61, 255, 162, 0.15);
                transform: translateY(-105%);
                transition: transform var(--transition-mid);
                z-index: 1000;
                max-height: calc(100vh - 68px);
                overflow-y: auto;
            }
            .navbar-custom .nav-links.open {
                transform: translateY(0);
            }
            .navbar-custom .nav-links li a {
                padding: 14px 12px;
                font-size: 15px;
                border-bottom: 1px solid rgba(61, 255, 162, 0.08);
                border-radius: 0;
            }
            .navbar-custom .nav-links li a.active::after {
                left: 0;
                right: auto;
                top: 50%;
                transform: translateY(-50%);
                width: 3px;
                height: 28px;
                bottom: auto;
                background: var(--neon);
                box-shadow: 0 0 8px rgba(61, 255, 162, 0.7);
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            padding: 20px 0 8px;
            font-size: 13px;
            color: var(--gray-white-faint);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: var(--neon);
        }
        .breadcrumb-custom .sep {
            color: var(--gray-white-faint);
            font-size: 10px;
        }
        .breadcrumb-custom .current {
            color: var(--warm-white);
        }

        /* ========== Hero ========== */
        .hero-glossary {
            padding: 40px 0 56px;
            background: radial-gradient(ellipse at 20% 20%, rgba(10, 61, 44, 0.45) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(212, 175, 55, 0.1) 0%, transparent 55%),
                var(--bg-primary);
            border-bottom: 1px solid rgba(212, 175, 55, 0.12);
        }
        .hero-glossary .hero-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            border: 1px solid var(--gold-border);
            color: var(--neon);
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }
        .hero-glossary h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--warm-white);
            line-height: 1.25;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }
        @media (min-width: 768px) {
            .hero-glossary h1 {
                font-size: 48px;
            }
        }
        .hero-glossary .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--gray-white);
            margin-bottom: 28px;
            max-width: 720px;
        }
        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero-icon-matrix .matrix-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 12px 18px;
            transition: all var(--transition-mid);
            flex: 1 1 auto;
            min-width: 120px;
        }
        .hero-icon-matrix .matrix-item:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hero-icon-matrix .matrix-item i {
            font-size: 20px;
            color: var(--neon);
            flex-shrink: 0;
        }
        .hero-icon-matrix .matrix-item span {
            font-size: 13px;
            color: var(--gray-white);
            white-space: nowrap;
        }
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 16px 0;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
        }
        .hero-status-bar .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--gray-white);
        }
        .hero-status-bar .status-item i {
            color: var(--neon);
            font-size: 14px;
        }
        .hero-status-bar .status-item .num {
            font-family: var(--font-numeric);
            font-weight: 700;
            color: var(--warm-white);
            font-size: 17px;
        }

        /* ========== 术语索引导航 ========== */
        .glossary-index-nav {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 40px;
            border: 1px solid var(--gold-dim);
        }
        .glossary-index-nav .index-title {
            font-size: 13px;
            color: var(--gray-white-faint);
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }
        .glossary-index-nav .index-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .glossary-index-nav .index-links a {
            display: inline-block;
            padding: 6px 14px;
            background: var(--bg-primary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-badge);
            font-size: 13px;
            color: var(--gold);
            transition: all var(--transition-fast);
        }
        .glossary-index-nav .index-links a:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 10px rgba(61, 255, 162, 0.15);
        }

        /* ========== 术语词条区块 ========== */
        .glossary-section {
            margin-bottom: 48px;
        }
        .glossary-section .section-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 22px;
        }
        .glossary-section .section-header .section-number {
            font-family: var(--font-numeric);
            font-size: 14px;
            color: var(--neon);
            letter-spacing: 0.08em;
            font-weight: 600;
        }
        .glossary-section .section-header h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--warm-white);
            margin: 0;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .glossary-section .section-header h2 {
                font-size: 28px;
            }
        }
        .glossary-section .section-header .header-line {
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, var(--gold-dim), transparent);
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 576px) {
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 992px) {
            .glossary-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        .glossary-card {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
            position: relative;
            overflow: hidden;
        }
        .glossary-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(to right, transparent, var(--gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-mid);
        }
        .glossary-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .glossary-card:hover::before {
            opacity: 1;
        }
        .glossary-card .term-badge {
            display: inline-block;
            padding: 2px 10px;
            font-size: 11px;
            border-radius: var(--radius-badge);
            background: var(--bg-deep-green);
            color: var(--gold);
            border: 1px solid var(--gold-dim);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .glossary-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .glossary-card .term-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--gray-white);
            margin-bottom: 10px;
        }
        .glossary-card .term-related {
            font-size: 12px;
            color: var(--gray-white-faint);
            line-height: 1.6;
        }
        .glossary-card .term-related strong {
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== 关联卡片带配图 ========== */
        .term-cover-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 8px;
        }
        @media (min-width: 768px) {
            .term-cover-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }
        .term-cover-card {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-mid);
        }
        .term-cover-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .term-cover-card .cover-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--gold-dim);
        }
        @media (min-width: 768px) {
            .term-cover-card .cover-img {
                height: 200px;
            }
        }
        .term-cover-card .cover-body {
            padding: 18px 20px 20px;
        }
        .term-cover-card .cover-body h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .term-cover-card .cover-body p {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== 对比表 ========== */
        .glossary-compare-table {
            overflow-x: auto;
            margin-top: 8px;
        }
        .glossary-compare-table table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--gold-dim);
        }
        .glossary-compare-table th {
            background: var(--bg-deep-green);
            color: var(--warm-white);
            font-size: 14px;
            font-weight: 650;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--gold-border);
            letter-spacing: 0.03em;
        }
        .glossary-compare-table td {
            padding: 13px 16px;
            font-size: 13px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
            line-height: 1.6;
        }
        .glossary-compare-table tr:last-child td {
            border-bottom: none;
        }
        .glossary-compare-table tr:hover td {
            background: rgba(61, 255, 162, 0.04);
        }
        .glossary-compare-table td:first-child {
            color: var(--warm-white);
            font-weight: 600;
            white-space: nowrap;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: var(--bg-secondary);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 500;
            padding: 16px 20px;
            border-radius: var(--radius-card) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
            position: relative;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-secondary);
            color: var(--warm-white);
            box-shadow: none;
            border-left: 4px solid var(--neon);
            padding-left: 16px;
        }
        .accordion-custom .accordion-button::after {
            filter: invert(70%) sepia(80%) saturate(350%) hue-rotate(90deg);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--neon);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-body {
            background: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(212, 175, 55, 0.08);
        }

        /* ========== CTA / 联系 ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            border: 1px solid var(--gold-dim);
            padding: 40px 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61, 255, 162, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
        }
        .cta-section .cta-desc {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .cta-section .form-control-custom,
        .cta-section .form-select-custom,
        .cta-section .form-textarea-custom {
            background: var(--bg-primary);
            border: 1px solid rgba(212, 175, 55, 0.2);
            border-radius: var(--radius-btn);
            color: var(--warm-white);
            padding: 10px 14px;
            font-size: 14px;
            font-family: var(--font-main);
            width: 100%;
            transition: all var(--transition-fast);
        }
        .cta-section .form-control-custom:focus,
        .cta-section .form-select-custom:focus,
        .cta-section .form-textarea-custom:focus {
            border-color: var(--neon);
            outline: none;
            box-shadow: 0 0 0 3px rgba(61, 255, 162, 0.15);
        }
        .cta-section .form-label-custom {
            display: block;
            font-size: 13px;
            color: var(--gray-white);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .cta-section .form-textarea-custom {
            resize: vertical;
            min-height: 100px;
        }
        .btn-primary-custom {
            background: var(--neon);
            color: #0D1B16;
            font-weight: 700;
            font-size: 15px;
            padding: 10px 28px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-mid);
        }
        .btn-primary-custom:hover {
            background: var(--warm-white);
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
            color: #0D1B16;
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .form-note {
            font-size: 12px;
            color: var(--gray-white-faint);
            margin-top: 10px;
        }

        /* ========== 页脚 ========== */
        .footer-wrap {
            background: var(--bg-footer);
            padding-top: 56px;
            padding-bottom: 24px;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            margin-top: 48px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.03em;
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
            letter-spacing: 0.05em;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--gray-white-faint);
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links li a {
            font-size: 13px;
            color: var(--gray-white);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-links li a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 175, 55, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .footer-bottom a {
            color: var(--gray-white);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--neon);
        }
        .footer-bottom .beian-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 767.98px) {
            .hero-glossary h1 {
                font-size: 28px;
            }
            .hero-glossary .hero-sub {
                font-size: 14px;
            }
            .hero-icon-matrix .matrix-item {
                min-width: 100%;
                padding: 10px 14px;
            }
            .glossary-section .section-header h2 {
                font-size: 20px;
            }
            .cta-section {
                padding: 28px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 575.98px) {
            .hero-status-bar {
                gap: 12px;
            }
            .hero-status-bar .status-item {
                font-size: 12px;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .glossary-card {
                padding: 16px;
            }
        }

        /* 区块标题通用 */
        .section-title-wrap {
            margin-bottom: 28px;
        }
        .section-title-wrap .section-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--neon);
            border: 1px solid var(--neon-dim);
            background: rgba(61, 255, 162, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .section-title-wrap h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.02em;
            margin: 0 0 8px;
        }
        .section-title-wrap .section-sub {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
            max-width: 680px;
        }
        @media (min-width: 768px) {
            .section-title-wrap h2 {
                font-size: 32px;
            }
        }

/* roulang page: category7 */
:root {
            --bg-primary: #0D1B16;
            --bg-secondary: #13251E;
            --bg-card: #13251E;
            --bg-footer: #0A1813;
            --bg-deep-green: #0A3D2C;
            --gold: #D4AF37;
            --gold-dim: rgba(212, 175, 55, 0.18);
            --gold-border: rgba(212, 175, 55, 0.35);
            --neon: #3DFFA2;
            --neon-dim: rgba(61, 255, 162, 0.18);
            --warm-white: #F7F3EC;
            --gray-white: rgba(247, 243, 236, 0.72);
            --gray-white-faint: rgba(247, 243, 236, 0.55);
            --warning-orange: #FF8C42;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --radius-hero-img: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 12px 32px rgba(61, 255, 162, 0.12);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.6);
            --shadow-btn-glow: 0 0 16px rgba(61, 255, 162, 0.5);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-numeric: "DIN Alternate", "Bebas Neue", "PingFang SC", sans-serif;
            --section-padding-desktop: 96px;
            --section-padding-mobile: 56px;
            --container-max: 1200px;
            --transition-fast: 0.16s ease;
            --transition-mid: 0.24s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.75;
            color: var(--gray-white);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            padding-top: 68px;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition-fast), text-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ========== 导航 ========== */
        .navbar-custom {
            background-color: rgba(19, 37, 30, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            min-height: 68px;
            padding: 0;
            z-index: 1000;
            border-bottom: 2px solid rgba(61, 255, 162, 0.12);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
        }
        .navbar-custom .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            flex-shrink: 0;
        }
        .brand-logo:hover .brand-icon {
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.55);
            transform: translateY(-1px);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            letter-spacing: 0.06em;
            font-family: var(--font-numeric);
        }
        .navbar-custom .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-custom .nav-links li a {
            display: block;
            padding: 8px 10px;
            font-size: 13px;
            color: var(--gray-white);
            border-radius: 6px;
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-custom .nav-links li a:hover {
            color: var(--warm-white);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        .navbar-custom .nav-links li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
            border-bottom: 2px solid var(--neon);
            border-radius: 6px 6px 0 0;
        }
        .nav-cta-btn {
            display: inline-block;
            background-color: var(--neon);
            color: #0A1813;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-cta-btn:hover {
            color: #0A1813;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            z-index: 1001;
        }
        .navbar-toggler-custom .bar {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--neon);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom[aria-expanded="true"] .bar:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-toggler-custom[aria-expanded="true"] .bar:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler-custom[aria-expanded="true"] .bar:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(13, 27, 22, 0.98);
            z-index: 999;
            padding: 80px 24px 40px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.show {
            display: block;
        }
        .mobile-nav-overlay ul {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }
        .mobile-nav-overlay ul li a {
            display: block;
            padding: 14px 8px;
            font-size: 16px;
            color: var(--gray-white);
            border-bottom: 1px solid rgba(61, 255, 162, 0.15);
            transition: all var(--transition-fast);
        }
        .mobile-nav-overlay ul li a:hover,
        .mobile-nav-overlay ul li a.active {
            color: var(--warm-white);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.6);
            padding-left: 16px;
        }
        .mobile-nav-overlay .nav-cta-btn {
            margin-top: 16px;
            display: inline-block;
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-links {
                display: none;
            }
            .navbar-custom .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--gray-white-faint);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--gray-white);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: var(--neon);
        }
        .breadcrumb-custom .separator {
            color: var(--gold-dim);
        }
        .breadcrumb-custom .current {
            color: var(--neon);
        }
        /* ========== Hero Banner ========== */
        .category-hero {
            padding: 48px 0 40px;
            background-color: var(--bg-primary);
            position: relative;
            border-bottom: 1px solid var(--gold-dim);
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(61, 255, 162, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(212, 175, 55, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        @media (min-width: 768px) {
            .category-hero h1 {
                font-size: 40px;
            }
        }
        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--gray-white);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--gold);
            background-color: rgba(212, 175, 55, 0.06);
        }
        .hero-badge .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--neon);
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.5);
        }
        /* ========== 板块通用 ========== */
        .section-block {
            padding: 56px 0;
        }
        @media (min-width: 992px) {
            .section-block {
                padding: 80px 0;
            }
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .heading-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--neon);
            border: 1px solid var(--neon-dim);
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            margin-bottom: 10px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .section-heading h2 {
                font-size: 30px;
            }
        }
        .section-heading .heading-desc {
            font-size: 15px;
            color: var(--gray-white);
            max-width: 680px;
            line-height: 1.8;
        }
        /* ========== 误判类型卡片 ========== */
        .misjudge-grid-card {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .misjudge-grid-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neon), transparent);
            opacity: 0;
            transition: opacity var(--transition-mid);
        }
        .misjudge-grid-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .misjudge-grid-card:hover::before {
            opacity: 1;
        }
        .misjudge-grid-card .card-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-deep-green);
            border: 1px solid var(--gold-border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            margin-bottom: 14px;
        }
        .misjudge-grid-card h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .misjudge-grid-card p {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .misjudge-grid-card .card-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--gray-white-faint);
        }
        .misjudge-grid-card .card-stat .stat-bar {
            flex: 1;
            height: 4px;
            background-color: rgba(247, 243, 236, 0.1);
            border-radius: 2px;
            overflow: hidden;
        }
        .misjudge-grid-card .card-stat .stat-fill {
            height: 100%;
            background-color: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        /* ========== 案例纠错卡 ========== */
        .case-correct-card {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .case-correct-card:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .case-correct-card .case-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .case-correct-card .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .case-correct-card:hover .case-img-wrap img {
            transform: scale(1.04);
        }
        .case-correct-card .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(13, 27, 22, 0.85);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-badge);
            padding: 4px 10px;
            font-size: 12px;
            color: var(--gold);
            backdrop-filter: blur(4px);
        }
        .case-correct-card .case-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-correct-card .case-body h3 {
            font-size: 16px;
            font-weight: 650;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        .case-correct-card .case-body .case-wrong {
            font-size: 13px;
            color: var(--warning-orange);
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .case-correct-card .case-body .case-right {
            font-size: 13px;
            color: var(--neon);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .case-correct-card .case-body .case-desc {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== 纠错要点清单 ========== */
        .checklist-wrap {
            background-color: var(--bg-secondary);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card);
            padding: 28px 24px;
        }
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(212, 175, 55, 0.1);
        }
        .checklist-item:last-child {
            border-bottom: none;
        }
        .checklist-item .check-icon {
            width: 24px;
            height: 24px;
            background: var(--neon-dim);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--neon);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .checklist-item .check-text {
            font-size: 14px;
            color: var(--gray-white);
            line-height: 1.7;
        }
        .checklist-item .check-text strong {
            color: var(--warm-white);
            font-weight: 650;
        }
        /* ========== FAQ 手风琴 ========== */
        .faq-accordion .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-dim);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .faq-accordion .accordion-header {
            margin: 0;
        }
        .faq-accordion .accordion-button {
            background-color: var(--bg-card);
            color: var(--gray-white);
            font-size: 15px;
            font-weight: 600;
            padding: 16px 18px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: var(--bg-secondary);
            color: var(--warm-white);
            border-left: 4px solid var(--neon);
            border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--neon);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(88%) sepia(18%) saturate(600%) hue-rotate(85deg) brightness(95%);
        }
        .faq-accordion .accordion-body {
            background-color: var(--bg-primary);
            color: var(--gray-white);
            font-size: 14px;
            line-height: 1.8;
            padding: 16px 18px 18px;
            border-top: 1px solid rgba(212, 175, 55, 0.1);
        }
        /* ========== CTA 板块 ========== */
        .cta-section {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--gold-dim);
            border-bottom: 1px solid var(--gold-dim);
        }
        .cta-card {
            background-color: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 12px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--gray-white);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .btn-primary-neon {
            background-color: var(--neon);
            color: #0A1813;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 14px;
            transition: all var(--transition-fast);
            display: inline-block;
            text-decoration: none;
        }
        .btn-primary-neon:hover {
            color: #0A1813;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--gold);
            border: 1px solid var(--gold-border);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            transition: all var(--transition-fast);
            display: inline-block;
            text-decoration: none;
        }
        .btn-outline-gold:hover {
            color: var(--neon);
            border-color: var(--neon);
            text-shadow: 0 0 8px rgba(61, 255, 162, 0.4);
        }
        /* ========== 页脚 ========== */
        .footer-wrap {
            background-color: var(--bg-footer);
            padding: 48px 0 24px;
            border-top: 2px solid rgba(61, 255, 162, 0.15);
            margin-top: 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand-icon {
            width: 38px;
            height: 38px;
            background: var(--bg-deep-green);
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-numeric);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--warm-white);
            letter-spacing: 0.04em;
        }
        .footer-brand-sub {
            font-size: 11px;
            color: var(--gray-white-faint);
            font-family: var(--font-numeric);
            letter-spacing: 0.06em;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--gray-white);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links li a {
            font-size: 13px;
            color: var(--gray-white);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .footer-links li a:hover {
            color: var(--neon);
            text-shadow: 0 0 6px rgba(61, 255, 162, 0.4);
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: var(--gray-white-faint);
        }
        .footer-bottom a {
            color: var(--gray-white);
            font-size: 12px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--neon);
        }
        .footer-bottom .beian-info {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-sub {
                font-size: 14px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .misjudge-grid-card,
            .case-correct-card {
                margin-bottom: 16px;
            }
            .cta-card {
                padding: 24px 18px;
            }
            .cta-card h2 {
                font-size: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 575.98px) {
            body {
                padding-top: 60px;
            }
            .navbar-custom {
                min-height: 60px;
            }
            .navbar-custom .nav-wrap {
                min-height: 60px;
                padding: 0 12px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .brand-name {
                font-size: 15px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 4px 8px;
            }
            .case-correct-card .case-body h3 {
                font-size: 15px;
            }
            .faq-accordion .accordion-button {
                font-size: 14px;
                padding: 14px 14px;
            }
        }