/* roulang page: index */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 96px;
            --container-max: 1200px;
            --gutter-x: 32px;
            --gutter-y: 40px;
        }

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

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

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }

        a:hover {
            color: var(--primary);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 992px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        section {
            padding: var(--section-padding) 0;
        }

        @media (max-width: 767.98px) {
            section {
                padding: 56px 0;
            }
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }
        }

        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }

        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }

        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }

        .btn-ghost-custom:hover,
        .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }

        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition) ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            flex-wrap: nowrap;
        }

        .navbar-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .navbar-logo span {
            color: var(--secondary);
        }

        .navbar-logo:hover {
            color: var(--primary);
        }

        .navbar-search {
            flex: 1;
            max-width: 560px;
            min-width: 200px;
            position: relative;
        }

        .navbar-search .search-input {
            width: 100%;
            height: 46px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 0 20px 0 46px;
            font-size: 15px;
            color: var(--text-dark);
            background: var(--bg-light);
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }

        .navbar-search .search-input::placeholder {
            color: var(--text-light);
        }

        .navbar-search .search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.3);
            background: #fff;
        }

        .navbar-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
            width: 18px;
            height: 18px;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 6px 12px;
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast) ease;
        }

        .navbar-links a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition-fast) ease, left var(--transition-fast) ease;
        }

        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 80%;
            left: 10%;
        }

        .navbar-links a:hover {
            color: var(--primary);
        }

        .navbar-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .navbar-actions .btn-login {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 18px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            background: transparent;
            transition: background var(--transition-fast) ease, border-color var(--transition-fast) ease;
            white-space: nowrap;
        }

        .navbar-actions .btn-login:hover {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .navbar-actions .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: none;
            transition: background var(--transition-fast) ease;
            white-space: nowrap;
        }

        .navbar-actions .btn-subscribe:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }

        .navbar-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
            transition: color var(--transition-fast) ease;
        }

        .navbar-mobile-toggle:hover {
            color: var(--secondary);
        }

        .search-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 2000;
            padding: 24px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
        }

        .search-overlay.active {
            display: flex;
        }

        .search-overlay .close-btn {
            position: absolute;
            top: 20px;
            right: 24px;
            background: none;
            border: none;
            color: #fff;
            font-size: 32px;
            cursor: pointer;
            line-height: 1;
            transition: color var(--transition-fast) ease;
        }

        .search-overlay .close-btn:hover {
            color: var(--accent);
        }

        .search-overlay .search-input-large {
            width: 100%;
            max-width: 560px;
            height: 56px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            padding: 0 24px;
            font-size: 18px;
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            transition: border-color var(--transition-fast) ease;
        }

        .search-overlay .search-input-large::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .search-overlay .search-input-large:focus {
            outline: none;
            border-color: var(--accent);
        }

        .search-overlay .quick-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .search-overlay .quick-links a {
            color: #fff;
            font-size: 15px;
            padding: 8px 18px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            transition: border-color var(--transition-fast) ease, color var(--transition-fast) ease;
        }

        .search-overlay .quick-links a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                padding: 10px 16px;
                gap: 12px;
            }
            .navbar-search {
                max-width: 360px;
            }
            .navbar-links {
                gap: 2px;
            }
            .navbar-links a {
                font-size: 13px;
                padding: 4px 8px;
            }
            .navbar-actions .btn-login,
            .navbar-actions .btn-subscribe {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 767.98px) {
            .navbar-custom {
                padding: 10px 12px;
                gap: 8px;
            }
            .navbar-search,
            .navbar-links,
            .navbar-actions .btn-login,
            .navbar-actions .btn-subscribe {
                display: none;
            }
            .navbar-mobile-toggle {
                display: block;
            }
            .navbar-logo {
                font-size: 20px;
            }
            .navbar-actions {
                gap: 6px;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-logo {
                font-size: 18px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            background: var(--primary);
            color: #fff;
            padding: 0;
            position: relative;
            overflow: hidden;
            min-height: 75vh;
            display: flex;
            align-items: center;
        }

        .hero-section .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .hero-section .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(22,22,22,0.4) 0%, rgba(22,22,22,0.85) 100%);
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
            width: 100%;
        }

        .hero-content {
            max-width: 800px;
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-badges .hero-badge {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
            border: 1px solid rgba(200, 255, 0, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: border-color var(--transition-fast) ease, background var(--transition-fast) ease;
        }

        .hero-badges .hero-badge:hover {
            border-color: var(--accent);
            background: rgba(200, 255, 0, 0.1);
        }

        .hero-section h1 {
            font-size: 64px;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
            color: #fff;
        }

        .hero-section h1 .highlight {
            color: var(--accent);
        }

        .hero-section .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.75);
            max-width: 650px;
            margin-bottom: 32px;
        }

        .hero-section .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-section .hero-actions .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
        }

        .hero-section .hero-actions .btn-ghost-custom {
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .hero-section .hero-actions .btn-ghost-custom:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .hero-eligibility {
            margin-top: 32px;
            padding: 16px 20px;
            border-left: 3px solid var(--accent);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .hero-eligibility strong {
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .hero-section h1 {
                font-size: 48px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-section h1 {
                font-size: 36px;
                line-height: 1.2;
            }
            .hero-section .hero-subtitle {
                font-size: 15px;
            }
            .hero-section .hero-actions .btn-primary-custom,
            .hero-section .hero-actions .btn-ghost-custom {
                padding: 12px 24px;
                font-size: 15px;
            }
            .hero-badges .hero-badge {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section h1 {
                font-size: 32px;
            }
        }

        /* ===== 通用卡片 ===== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition) ease, transform var(--transition) ease, border-color var(--transition) ease;
            overflow: hidden;
            height: 100%;
        }

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

        .card-custom .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            overflow: hidden;
        }

        .card-custom .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }

        .card-custom:hover .card-img img {
            transform: scale(1.03);
        }

        .card-custom .card-body-custom {
            padding: 24px 28px;
        }

        .card-custom .card-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .card-custom .card-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-custom .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary);
            color: var(--accent);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        @media (max-width: 767.98px) {
            .card-custom .card-body-custom {
                padding: 18px 20px;
            }
            .card-custom .card-title {
                font-size: 18px;
            }
        }

        /* ===== 数据统计条 ===== */
        .stats-bar {
            background: var(--primary);
            color: #fff;
            padding: 48px 0;
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stats-bar .stat-number {
            font-family: var(--font-mono);
            font-size: 56px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .stats-bar .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 767.98px) {
            .stats-bar {
                padding: 36px 0;
            }
            .stats-bar .stat-number {
                font-size: 36px;
            }
            .stats-bar .stat-label {
                font-size: 13px;
            }
        }

        /* ===== 深度内容 ===== */
        .deep-content-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: box-shadow var(--transition) ease, transform var(--transition) ease;
        }

        .deep-content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .deep-content-card .deep-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .deep-content-card .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }

        .deep-content-card:hover .deep-img img {
            transform: scale(1.03);
        }

        .deep-content-card .deep-body {
            padding: 32px 36px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .deep-content-card .deep-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        .deep-content-card .deep-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .deep-content-card .deep-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-dark);
            flex: 1;
        }

        .deep-content-card .deep-text p {
            margin-bottom: 16px;
        }

        .deep-content-card .deep-text p:last-child {
            margin-bottom: 0;
        }

        .deep-content-card .deep-link {
            display: inline-block;
            margin-top: 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            position: relative;
            transition: color var(--transition-fast) ease;
        }

        .deep-content-card .deep-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition-fast) ease;
        }

        .deep-content-card .deep-link:hover::after {
            width: 100%;
        }

        @media (max-width: 767.98px) {
            .deep-content-card .deep-body {
                padding: 24px 20px;
            }
            .deep-content-card .deep-title {
                font-size: 22px;
            }
            .deep-content-card .deep-text {
                font-size: 15px;
            }
        }

        /* ===== 新闻中心 ===== */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            align-items: flex-start;
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-item:hover {
            background: var(--bg-light);
            transform: translateX(2px);
            border-radius: var(--radius-sm);
            padding-left: 8px;
            padding-right: 8px;
        }

        .news-item .news-date {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            min-width: 90px;
            padding-top: 2px;
            font-family: var(--font-mono);
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-item .btn-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-strong);
            padding: 4px 14px;
            border-radius: 4px;
            background: transparent;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease, border-color var(--transition-fast) ease;
            display: inline-block;
        }

        .news-item .btn-read-more:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        @media (max-width: 767.98px) {
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-item .news-date {
                min-width: auto;
            }
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: var(--accent);
            opacity: 0.15;
            border-radius: 50%;
            transform: translate(60px, -60px);
        }

        .brand-intro .brand-text {
            font-size: 17px;
            line-height: 2;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 1;
            max-width: 900px;
        }

        .brand-intro .brand-text strong {
            color: var(--accent);
            font-weight: 700;
        }

        @media (max-width: 767.98px) {
            .brand-intro {
                padding: 32px 24px;
            }
            .brand-intro .brand-text {
                font-size: 15px;
            }
        }

        /* ===== 节日战役区 ===== */
        .campaign-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            color: #fff;
            border-left: 6px solid var(--accent);
            position: relative;
            overflow: hidden;
        }

        .campaign-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 250px;
            height: 250px;
            background: var(--secondary);
            opacity: 0.1;
            border-radius: 50%;
        }

        .campaign-banner .campaign-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .campaign-banner .campaign-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        .campaign-banner .campaign-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 700px;
        }

        .campaign-banner .campaign-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 767.98px) {
            .campaign-banner {
                padding: 32px 24px;
            }
            .campaign-banner .campaign-title {
                font-size: 24px;
            }
            .campaign-banner .campaign-desc {
                font-size: 15px;
            }
        }

        /* ===== 活动亮点墙 ===== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .highlight-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition) ease, transform var(--transition) ease, border-color var(--transition) ease;
            height: 100%;
        }

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

        .highlight-card .highlight-icon {
            font-size: 32px;
            margin-bottom: 16px;
            color: var(--secondary);
        }

        .highlight-card .highlight-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .highlight-card .highlight-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 相关推荐 ===== */
        .recommend-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .recommend-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .recommend-scroll::-webkit-scrollbar-track {
            background: var(--bg-light);
            border-radius: 3px;
        }

        .recommend-scroll::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 3px;
        }

        .recommend-card {
            min-width: 280px;
            max-width: 320px;
            scroll-snap-align: start;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition) ease, transform var(--transition) ease;
            flex-shrink: 0;
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .recommend-card .recommend-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .recommend-card .recommend-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }

        .recommend-card:hover .recommend-img img {
            transform: scale(1.03);
        }

        .recommend-card .recommend-body {
            padding: 16px 20px;
        }

        .recommend-card .recommend-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
        }

        /* ===== 版本更新 ===== */
        .changelog-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .changelog-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-left: 2px solid var(--border);
            margin-left: 20px;
            padding-left: 24px;
            position: relative;
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 28px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--primary);
        }

        .changelog-item .changelog-version {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            min-width: 80px;
            font-family: var(--font-mono);
        }

        .changelog-item .changelog-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 575.98px) {
            .changelog-item {
                flex-direction: column;
                gap: 4px;
                margin-left: 12px;
                padding-left: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: border-color var(--transition-fast) ease;
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            user-select: none;
            transition: color var(--transition-fast) ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question:hover {
            color: var(--secondary);
        }

        .faq-item .faq-question .faq-icon {
            font-size: 20px;
            color: var(--text-muted);
            transition: transform var(--transition-fast) ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item .faq-question.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition) ease, padding var(--transition) ease;
            padding: 0 24px;
        }

        .faq-item .faq-answer.show {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 联系表单 ===== */
        .contact-section {
            background: var(--primary);
            color: #fff;
        }

        .contact-section .section-title {
            color: #fff;
        }

        .contact-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .contact-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-dark);
        }

        .contact-card .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .contact-card .form-control {
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-dark);
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
            margin-bottom: 16px;
            background: #fff;
        }

        .contact-card .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.3);
        }

        .contact-card textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .contact-card .btn-submit {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            width: 100%;
        }

        .contact-card .btn-submit:hover {
            background: var(--accent-hover);
            transform: scale(1.01);
        }

        .contact-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 2;
        }

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
        }

        .contact-info-list li .info-icon {
            color: var(--accent);
            flex-shrink: 0;
            width: 20px;
            text-align: center;
        }

        @media (max-width: 767.98px) {
            .contact-card {
                padding: 24px 20px;
            }
        }

        /* ===== CTA / 加入入口 ===== */
        .cta-join {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 60px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-join::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
        }

        .cta-join .cta-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-join .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-join .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 767.98px) {
            .cta-join {
                padding: 40px 24px;
            }
            .cta-join .cta-title {
                font-size: 26px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .site-footer .footer-brand span {
            color: var(--accent);
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: var(--text-light);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        .site-footer .footer-bottom .footer-legal {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .site-footer .footer-bottom a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast) ease;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom .separator {
            color: rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding: 32px 0 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式栅格覆盖 ===== */
        .g-4-custom {
            --bs-gutter-x: 32px;
            --bs-gutter-y: 40px;
        }

        @media (max-width: 575.98px) {
            .g-4-custom {
                --bs-gutter-x: 16px;
                --bs-gutter-y: 24px;
            }
        }

        /* ===== 搜索覆盖层过渡 ===== */
        .search-overlay {
            transition: opacity 0.2s ease;
            opacity: 0;
        }

        .search-overlay.active {
            opacity: 1;
        }

        /* ===== 图片容器通用 ===== */
        .img-cover-container {
            overflow: hidden;
            border-radius: var(--radius-md);
        }

        .img-cover-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category1 */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 96px;
            --container-max: 1200px;
            --gutter-x: 32px;
            --gutter-y: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        section {
            padding: 72px 0;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }
        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition-fast) ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 14px 32px;
            flex-wrap: wrap;
        }
        .navbar-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-logo span {
            color: var(--secondary);
        }
        .navbar-logo:hover {
            color: var(--primary);
        }
        .navbar-search {
            flex: 1;
            min-width: 280px;
            max-width: 560px;
            position: relative;
            display: flex;
            align-items: center;
            margin: 0 auto;
        }
        .search-icon {
            position: absolute;
            left: 16px;
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            pointer-events: none;
        }
        .search-input {
            width: 100%;
            height: 46px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-strong);
            padding: 0 16px 0 44px;
            font-size: 15px;
            color: var(--text-dark);
            background: #fff;
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }
        .search-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200,255,0,0.25);
            outline: none;
        }
        .search-input::placeholder {
            color: var(--text-light);
        }
        .navbar-links {
            display: flex;
            gap: 18px;
            align-items: center;
            flex-wrap: wrap;
        }
        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
        }
        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition-fast) ease;
        }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }
        .navbar-links a.active {
            font-weight: 700;
            color: var(--primary);
        }
        .navbar-actions {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-shrink: 0;
        }
        .btn-login {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 6px;
            transition: color var(--transition-fast) ease;
        }
        .btn-login:hover {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: var(--accent);
            text-underline-offset: 4px;
        }
        .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
        }
        .btn-subscribe:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.03);
        }
        .navbar-mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
            transition: background var(--transition-fast) ease;
        }
        .navbar-mobile-toggle:hover {
            background: var(--bg-light);
        }
        .mobile-search-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--primary);
            z-index: 2000;
            padding: 24px;
            flex-direction: column;
            gap: 24px;
        }
        .mobile-search-overlay.active {
            display: flex;
        }
        .mobile-search-overlay .btn-close-overlay {
            align-self: flex-end;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 6px;
            transition: color var(--transition-fast) ease;
        }
        .mobile-search-overlay .btn-close-overlay:hover {
            color: var(--accent);
        }
        .mobile-search-overlay input {
            width: 100%;
            height: 52px;
            border-radius: var(--radius-pill);
            border: 1px solid #fff;
            padding: 0 20px;
            font-size: 18px;
            background: #fff;
            color: var(--text-dark);
        }
        .mobile-search-overlay .mobile-quick-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .mobile-search-overlay .mobile-quick-links a {
            color: #fff;
            font-size: 16px;
            padding: 8px 16px;
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-pill);
            transition: border-color var(--transition-fast) ease, color var(--transition-fast) ease;
        }
        .mobile-search-overlay .mobile-quick-links a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 20px 0 0;
            background: var(--bg-light);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition-fast) ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .separator {
            color: var(--text-light);
        }
        .breadcrumb-nav .current {
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            background: var(--primary);
            min-height: 45vh;
            max-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 40px 0;
        }
        .category-hero .hero-bg-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22,22,22,0.88) 0%, rgba(22,22,22,0.55) 100%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .category-hero h1 .accent-text {
            color: var(--accent);
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255,255,255,0.8);
            max-width: 640px;
            line-height: 1.7;
        }
        .category-hero .hero-meta {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
        }
        .category-hero .hero-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* ===== 分栏布局 ===== */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }
        .main-column {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .sidebar-column {
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: sticky;
            top: 90px;
        }

        /* ===== 数据卡 ===== */
        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: box-shadow var(--transition) ease, transform var(--transition) ease, border-color var(--transition) ease;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent);
        }
        .stat-card .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }
        .stat-card .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }
        .stat-card .stat-trend {
            margin-top: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
        }

        /* ===== 深度内容条目 ===== */
        .deep-entry {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition) ease, transform var(--transition) ease, border-color var(--transition) ease;
            display: flex;
            flex-direction: column;
        }
        .deep-entry:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--accent);
        }
        .deep-entry .entry-image {
            width: 100%;
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .deep-entry .entry-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }
        .deep-entry:hover .entry-image img {
            transform: scale(1.04);
        }
        .deep-entry .entry-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .deep-entry .entry-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            background: var(--primary);
            color: var(--accent);
            align-self: flex-start;
        }
        .deep-entry .entry-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }
        .deep-entry .entry-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .deep-entry .entry-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 8px;
            font-size: 13px;
            color: var(--text-light);
        }
        .deep-entry .entry-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast) ease;
        }
        .deep-entry .entry-link:hover {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: var(--accent);
            text-underline-offset: 4px;
        }

        /* ===== 侧边栏小组件 ===== */
        .sidebar-widget {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .sidebar-widget .widget-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-widget .widget-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget .widget-list li:last-child {
            border-bottom: none;
        }
        .sidebar-widget .widget-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .sidebar-widget .widget-list li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
        }
        .sidebar-widget .widget-list li a:hover {
            color: var(--primary);
        }

        /* ===== 数据表格卡片 ===== */
        .data-row-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: background var(--transition-fast) ease, border-color var(--transition-fast) ease, box-shadow var(--transition) ease;
            margin-bottom: 10px;
        }
        .data-row-card:hover {
            background: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
        }
        .data-row-card .match-time {
            font-size: 13px;
            color: var(--text-muted);
            min-width: 80px;
            font-family: var(--font-mono);
        }
        .data-row-card .match-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
            min-width: 80px;
            text-align: center;
        }
        .data-row-card .match-teams {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }
        .data-row-card .match-score {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            min-width: 60px;
            text-align: center;
        }
        .data-row-card .match-score.hot {
            color: var(--secondary);
        }
        .data-row-card .match-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--bg-light);
            color: var(--text-muted);
            min-width: 70px;
            text-align: center;
        }
        .data-row-card .match-status.live {
            background: var(--secondary);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition) ease;
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-align: left;
            transition: color var(--transition-fast) ease;
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--text-light);
            transition: transform var(--transition-fast) ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition) ease, padding var(--transition) ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 64px 0;
            border-radius: 0;
        }
        .cta-section .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.75);
            max-width: 560px;
            line-height: 1.7;
        }
        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-ghost-custom:hover,
        .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            padding: 56px 0 28px;
            color: var(--text-light);
        }
        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .footer-brand span {
            color: var(--secondary);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li a {
            color: var(--text-light);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
        }
        .footer-links li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: var(--text-light);
            transition: color var(--transition-fast) ease;
        }
        .footer-legal a:hover {
            color: var(--accent);
        }
        .separator {
            opacity: 0.5;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-custom {
                gap: 14px;
                padding: 12px 16px;
            }
            .navbar-search {
                max-width: 100%;
                order: 3;
                flex-basis: 100%;
                margin: 0;
            }
            .navbar-links {
                order: 2;
                gap: 12px;
            }
            .navbar-actions {
                margin-left: auto;
            }
            .content-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar-column {
                position: static;
                order: 2;
            }
            .category-hero {
                min-height: auto;
                max-height: 300px;
                padding: 32px 0;
            }
            .category-hero h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 767px) {
            .navbar-custom {
                flex-wrap: nowrap;
                gap: 10px;
                padding: 10px 14px;
            }
            .navbar-search {
                display: none;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions .btn-login {
                display: none;
            }
            .navbar-mobile-toggle {
                display: block;
                margin-left: auto;
            }
            .btn-subscribe {
                padding: 6px 12px;
                font-size: 13px;
            }
            .category-hero {
                max-height: 260px;
                padding: 24px 0;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .category-hero .hero-meta {
                gap: 10px;
                margin-top: 12px;
            }
            .category-hero .hero-meta span {
                font-size: 12px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }
            section {
                padding: 48px 0;
            }
            .stat-card {
                padding: 20px;
            }
            .stat-card .stat-number {
                font-size: 30px;
            }
            .deep-entry .entry-body {
                padding: 18px 20px;
            }
            .deep-entry .entry-title {
                font-size: 17px;
            }
            .data-row-card {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 16px;
            }
            .data-row-card .match-league {
                min-width: auto;
                text-align: left;
            }
            .cta-section .cta-title {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 575px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-card .stat-number {
                font-size: 26px;
            }
            .deep-entry .entry-image {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 96px;
            --container-max: 1200px;
            --gutter-x: 32px;
            --gutter-y: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }
        a:hover { color: var(--primary); }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        section { padding: 56px 0; }
        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-primary-custom:hover, .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }
        .btn-primary-custom:active { transform: scale(0.98); }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-secondary-custom:hover, .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }
        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-ghost-custom:hover, .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }
        .btn-sm-custom { padding: 8px 20px; font-size: 14px; border-radius: 6px; }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition) ease;
        }
        .site-header.scrolled { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
        .navbar-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 14px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .navbar-logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .navbar-logo span { color: var(--accent); }
        .navbar-logo:hover { color: var(--primary); }
        .navbar-search {
            flex: 1;
            min-width: 280px;
            max-width: 560px;
            position: relative;
        }
        .navbar-search .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            pointer-events: none;
        }
        .search-input {
            width: 100%;
            height: 46px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-strong);
            padding: 0 20px 0 48px;
            font-size: 15px;
            background: var(--bg-light);
            color: var(--text-dark);
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }
        .search-input::placeholder { color: var(--text-light); }
        .search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.25);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast) ease;
        }
        .navbar-links a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition-fast) ease, left var(--transition-fast) ease;
            border-radius: 2px;
        }
        .navbar-links a:hover { color: var(--primary); }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
            left: 0;
        }
        .navbar-links a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login, .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast) ease;
        }
        .btn-login {
            color: var(--primary);
            border: 1px solid var(--border-strong);
            background: transparent;
        }
        .btn-login:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }
        .btn-subscribe {
            background: var(--accent);
            color: var(--primary);
            border: none;
        }
        .btn-subscribe:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }
        .navbar-mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            background: var(--bg-light);
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-custom .container-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-fast) ease;
        }
        .breadcrumb-custom a:hover { color: var(--primary); }
        .breadcrumb-custom .sep {
            color: var(--text-light);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 700;
        }

        /* ===== 紧凑标题横条 Hero ===== */
        .hero-compact {
            background: var(--primary);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
            min-height: 180px;
            display: flex;
            align-items: center;
        }
        .hero-compact::before {
            content: '';
            position: absolute;
            right: -120px;
            top: 50%;
            transform: translateY(-50%);
            width: 360px;
            height: 360px;
            background: rgba(200,255,0,0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-compact .container-custom {
            position: relative;
            z-index: 1;
            width: 100%;
        }
        .hero-compact h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .hero-compact h1 .accent-word { color: var(--accent); }
        .hero-compact .hero-bar {
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 16px;
        }
        .hero-compact p {
            font-size: 16px;
            color: rgba(255,255,255,0.75);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 深度卡片网格 ===== */
        .deep-grid-section {
            background: var(--bg-light);
            padding-top: 64px;
            padding-bottom: 64px;
        }
        .deep-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition) ease, box-shadow var(--transition) ease, border-color var(--transition) ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .deep-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .deep-card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .deep-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }
        .deep-card:hover .deep-card-img-wrap img {
            transform: scale(1.04);
        }
        .deep-card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .deep-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .deep-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .deep-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .deep-card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .deep-card-meta span { display: flex; align-items: center; gap: 4px; }

        /* ===== 加载更多 ===== */
        .load-more-section {
            background: var(--bg-light);
            padding-top: 0;
            padding-bottom: 64px;
            text-align: center;
        }
        .btn-load-more {
            background: var(--bg-white);
            color: var(--primary);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 12px 40px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast) ease;
        }
        .btn-load-more:hover {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            transform: scale(1.02);
        }
        .btn-load-more:active { transform: scale(0.98); }

        /* ===== 精选长文 ===== */
        .featured-article-section {
            background: var(--bg-white);
            padding: 72px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .featured-article-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition) ease;
        }
        .featured-article-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .featured-article-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .featured-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }
        .featured-article-card:hover .featured-article-img img {
            transform: scale(1.03);
        }
        .featured-article-body {
            padding: 32px;
        }
        .featured-article-body h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .featured-article-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .featured-article-body .author-line {
            font-size: 13px;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 战术解析深色区块 ===== */
        .tactical-section {
            background: var(--primary);
            padding: 72px 0;
            color: #fff;
        }
        .tactical-section .section-title { color: #fff; }
        .tactical-section .section-subtitle { color: rgba(255,255,255,0.6); }
        .tactical-list-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            transition: border-color var(--transition) ease, background var(--transition) ease;
        }
        .tactical-list-item:hover {
            border-color: var(--accent);
            background: rgba(255,255,255,0.07);
        }
        .tactical-list-item .tac-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-mono);
            margin-bottom: 12px;
            line-height: 1;
        }
        .tactical-list-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .tactical-list-item p {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 数据报告区 ===== */
        .data-report-section {
            background: var(--bg-light);
            padding: 72px 0;
        }
        .report-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition) ease, box-shadow var(--transition) ease;
        }
        .report-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .report-card .report-stat {
            font-size: 44px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .report-card .report-stat em {
            font-style: normal;
            font-size: 20px;
            color: var(--accent);
            font-weight: 700;
        }
        .report-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .report-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== CTA 订阅区 ===== */
        .cta-subscribe-section {
            background: var(--accent);
            padding: 64px 0;
        }
        .cta-subscribe-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-subscribe-box h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .cta-subscribe-box p {
            font-size: 15px;
            color: rgba(22,22,22,0.7);
            max-width: 480px;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .cta-subscribe-box .btn-cta-dark {
            background: var(--primary);
            color: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            white-space: nowrap;
        }
        .cta-subscribe-box .btn-cta-dark:hover {
            background: #000;
            transform: scale(1.02);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
            padding: 72px 0;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-light);
            transition: border-color var(--transition-fast) ease;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast) ease;
        }
        .faq-question:hover { color: var(--secondary); }
        .faq-icon {
            font-size: 22px;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform var(--transition-fast) ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); color: var(--secondary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition) ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 64px 0 32px;
        }
        .site-footer .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand span { color: var(--accent); }
        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li { margin-bottom: 10px; }
        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--text-light);
            transition: color var(--transition-fast) ease;
        }
        .site-footer .footer-links a:hover { color: var(--accent); }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
        }
        .site-footer .footer-bottom a {
            color: var(--text-light);
            transition: color var(--transition-fast) ease;
        }
        .site-footer .footer-bottom a:hover { color: var(--accent); }
        .site-footer .footer-legal {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer .separator { color: var(--text-light); opacity: 0.5; }
        .g-4-custom {
            --bs-gutter-y: 2rem;
            --bs-gutter-x: 2rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-custom {
                padding: 12px 20px;
                gap: 16px;
            }
            .navbar-links {
                order: 3;
                width: 100%;
                justify-content: center;
                gap: 16px;
                padding-top: 8px;
                border-top: 1px solid var(--border);
            }
            .navbar-search { max-width: 100%; }
            .navbar-actions { margin-left: auto; }
            .hero-compact h1 { font-size: 36px; }
            .section-title { font-size: 32px; }
            .featured-article-body { padding: 24px; }
            .featured-article-body h3 { font-size: 22px; }
        }
        @media (max-width: 768px) {
            .navbar-custom {
                padding: 10px 16px;
                flex-wrap: nowrap;
            }
            .navbar-links {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-mobile-toggle {
                display: block;
                margin-left: auto;
            }
            .navbar-search {
                display: none;
            }
            .search-overlay {
                position: fixed;
                inset: 0;
                background: var(--primary);
                z-index: 1050;
                padding: 24px;
                display: flex;
                flex-direction: column;
                gap: 24px;
                align-items: center;
                justify-content: flex-start;
                padding-top: 60px;
            }
            .search-overlay .close-btn {
                position: absolute;
                top: 16px;
                right: 16px;
                background: none;
                border: none;
                color: #fff;
                font-size: 28px;
                cursor: pointer;
                padding: 4px 12px;
            }
            .search-overlay input {
                width: 100%;
                max-width: 480px;
                height: 52px;
                border-radius: var(--radius-pill);
                border: 1px solid rgba(255,255,255,0.3);
                background: rgba(255,255,255,0.1);
                color: #fff;
                padding: 0 24px;
                font-size: 16px;
            }
            .search-overlay input::placeholder { color: rgba(255,255,255,0.5); }
            .search-overlay .quick-links {
                display: flex;
                flex-wrap: wrap;
                gap: 12px;
                justify-content: center;
            }
            .search-overlay .quick-links a {
                color: var(--accent);
                font-size: 14px;
                border: 1px solid rgba(200,255,0,0.3);
                border-radius: var(--radius-pill);
                padding: 6px 16px;
            }
            .hero-compact { padding: 36px 0 40px; min-height: 140px; }
            .hero-compact h1 { font-size: 28px; }
            .hero-compact p { font-size: 14px; }
            .section-title { font-size: 26px; }
            .section-subtitle { font-size: 14px; }
            .deep-card-body { padding: 18px 18px 22px; }
            .deep-card h3 { font-size: 17px; }
            .featured-article-body { padding: 20px; }
            .featured-article-body h3 { font-size: 19px; }
            .cta-subscribe-box h2 { font-size: 26px; }
            .faq-question { font-size: 14px; padding: 16px 18px; }
            .site-footer { padding: 40px 0 24px; }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            section { padding: 40px 0; }
            .tactical-section { padding: 48px 0; }
            .data-report-section { padding: 48px 0; }
            .faq-section { padding: 48px 0; }
            .featured-article-section { padding: 48px 0; }
            .cta-subscribe-section { padding: 48px 0; }
            .deep-grid-section { padding-top: 40px; padding-bottom: 40px; }
            .load-more-section { padding-bottom: 40px; }
        }
        @media (max-width: 576px) {
            .hero-compact h1 { font-size: 24px; }
            .section-title { font-size: 24px; }
            .deep-card { border-radius: var(--radius-sm); }
            .deep-card-img-wrap { aspect-ratio: 4/3; }
            .report-card .report-stat { font-size: 34px; }
            .cta-subscribe-box .btn-cta-dark { width: 100%; text-align: center; }
            .faq-question { font-size: 13px; gap: 8px; }
            .faq-answer-inner { font-size: 13px; }
            .featured-article-body h3 { font-size: 17px; }
            .tactical-list-item { padding: 20px; }
        }

/* roulang page: category3 */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 72px;
            --container-max: 1240px;
            --gutter-x: 28px;
            --gutter-y: 36px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }
        a:hover,
        a:focus {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }
        section {
            padding: var(--section-padding) 0;
        }
        .section-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 36px;
        }
        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }
        .badge-outline {
            display: inline-block;
            background: transparent;
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid var(--border-strong);
        }
        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }
        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-ghost-custom:hover,
        .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }
        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition) ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 18px;
            padding: 12px 28px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .navbar-logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.01em;
            white-space: nowrap;
            color: var(--primary);
        }
        .navbar-logo span {
            color: var(--secondary);
        }
        .navbar-logo:hover,
        .navbar-logo:focus {
            color: var(--primary);
        }
        .navbar-search {
            flex: 1;
            min-width: 260px;
            max-width: 520px;
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 44px;
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }
        .navbar-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.25);
        }
        .search-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            color: var(--text-light);
            margin-right: 10px;
        }
        .search-input {
            border: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
            color: var(--text-dark);
            outline: none;
            line-height: 1.5;
        }
        .search-input::placeholder {
            color: var(--text-light);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition-fast) ease;
            white-space: nowrap;
        }
        .navbar-links a::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-fast) ease;
        }
        .navbar-links a:hover::after,
        .navbar-links a:focus::after,
        .navbar-links a.active::after {
            transform: scaleX(1);
        }
        .navbar-links a.active {
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .btn-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 14px;
            border-radius: 6px;
            transition: background var(--transition-fast) ease;
        }
        .btn-login:hover,
        .btn-login:focus {
            background: var(--bg-light);
        }
        .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            padding: 9px 18px;
            border-radius: 6px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
        }
        .btn-subscribe:hover,
        .btn-subscribe:focus {
            background: var(--accent-hover);
            transform: scale(1.03);
        }
        .navbar-mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--primary);
            border-radius: 6px;
            transition: background var(--transition-fast) ease;
        }
        .navbar-mobile-toggle:hover {
            background: var(--bg-light);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li + li::before {
            content: "/";
            color: var(--text-light);
            margin-right: 4px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-fast) ease;
        }
        .breadcrumb-custom a:hover,
        .breadcrumb-custom a:focus {
            color: var(--primary);
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero-category {
            background: var(--primary);
            color: #fff;
            padding: 44px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.08);
            pointer-events: none;
        }
        .hero-category::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 92, 0, 0.06);
            pointer-events: none;
        }
        .hero-category .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-category h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 780px;
        }
        .hero-category h1 .highlight {
            color: var(--accent);
        }
        .hero-category p {
            font-size: 17px;
            color: #cbd5e1;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 24px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            font-size: 14px;
            color: var(--text-light);
        }
        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        /* ===== 表格卡片列表 ===== */
        .highlight-list-section {
            background: var(--bg-light);
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 32px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border-strong);
            color: var(--text-dark);
            cursor: pointer;
            transition: all var(--transition-fast) ease;
        }
        .filter-chip:hover {
            border-color: var(--accent);
            background: var(--accent);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
        }
        .highlight-row {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 14px;
            transition: all var(--transition) ease;
            position: relative;
        }
        .highlight-row:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }
        .highlight-row .rank-badge {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            background: var(--bg-light);
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .highlight-row .rank-badge.top-1 {
            background: var(--accent);
            color: var(--primary);
        }
        .highlight-row .rank-badge.top-2 {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .highlight-row .rank-badge.top-3 {
            background: #fff3e0;
            color: #e65100;
        }
        .highlight-row .thumb {
            flex-shrink: 0;
            width: 100px;
            height: 68px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-light);
        }
        .highlight-row .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .highlight-row .content {
            flex: 1;
            min-width: 0;
        }
        .highlight-row .content h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .highlight-row .content .desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .highlight-row .content .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .highlight-row .time-info {
            flex-shrink: 0;
            text-align: right;
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
        }
        .highlight-row .time-info .duration {
            font-weight: 600;
            color: var(--text-dark);
            font-family: var(--font-mono);
            display: block;
            font-size: 15px;
        }
        .highlight-row .view-count {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            min-width: 70px;
            text-align: right;
        }
        .highlight-row .action-btn {
            flex-shrink: 0;
        }

        /* ===== 分类统计 ===== */
        .category-stats {
            background: var(--primary);
            color: #fff;
            padding: 48px 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-item .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-mono);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: #cbd5e1;
        }
        .stat-item .stat-suffix {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
        }

        /* ===== 热门分类卡片 ===== */
        .hot-categories {
            background: #fff;
        }
        .hot-cat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
            cursor: pointer;
            transition: all var(--transition) ease;
            aspect-ratio: 16/10;
            background: var(--bg-light);
            border: 1px solid var(--border);
        }
        .hot-cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .hot-cat-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition) ease;
        }
        .hot-cat-card:hover img {
            transform: scale(1.04);
        }
        .hot-cat-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 20px 16px;
            background: linear-gradient(transparent, rgba(0,0,0,0.82));
            color: #fff;
        }
        .hot-cat-card .overlay h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .hot-cat-card .overlay p {
            font-size: 13px;
            color: #e2e8f0;
            margin: 0;
        }
        .hot-cat-card .play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255,255,255,0.88);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: all var(--transition) ease;
        }
        .hot-cat-card:hover .play-icon {
            background: var(--accent);
            transform: translate(-50%, -50%) scale(1.08);
        }

        /* ===== 流程 ===== */
        .video-flow {
            background: var(--bg-light);
        }
        .flow-step {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition) ease;
        }
        .flow-step:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .flow-step .step-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }
        .flow-step h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 深度内容 ===== */
        .deep-section {
            background: #fff;
        }
        .deep-block {
            display: flex;
            gap: 28px;
            align-items: center;
            margin-bottom: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border);
        }
        .deep-block:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .deep-block .deep-img {
            flex-shrink: 0;
            width: 300px;
            height: 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .deep-block .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-block .deep-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .deep-block .deep-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .deep-block .deep-content .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            position: relative;
        }
        .deep-block .deep-content .link-more::after {
            content: "→";
            transition: transform var(--transition-fast) ease;
        }
        .deep-block .deep-content .link-more:hover::after {
            transform: translateX(4px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast) ease;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--primary);
            transition: color var(--transition-fast) ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
            transition: all var(--transition-fast) ease;
        }
        .faq-item.open .faq-icon {
            background: var(--accent);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition) ease, padding var(--transition) ease;
            padding: 0 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -30%;
            right: 10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.1);
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-section h2 .highlight {
            color: var(--accent);
        }
        .cta-section p {
            font-size: 16px;
            color: #cbd5e1;
            max-width: 580px;
            margin-bottom: 26px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 56px 0 28px;
        }
        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
            max-width: 300px;
        }
        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: var(--text-light);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
            position: relative;
        }
        .site-footer .footer-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-fast) ease;
        }
        .site-footer .footer-links a:hover::after,
        .site-footer .footer-links a:focus::after {
            transform: scaleX(1);
        }
        .site-footer .footer-links a:hover,
        .site-footer .footer-links a:focus {
            color: var(--accent);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 22px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }
        .footer-bottom .separator {
            margin: 0 8px;
            color: rgba(255,255,255,0.25);
        }
        .footer-bottom a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast) ease;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
        }
        .g-4-custom {
            --bs-gutter-x: 2rem;
            --bs-gutter-y: 2rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-custom {
                padding: 10px 20px;
            }
            .navbar-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
            }
            .navbar-links {
                order: 4;
                flex: 1 1 100%;
                justify-content: flex-start;
                gap: 2px;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .navbar-links a {
                padding: 6px 10px;
                font-size: 13px;
            }
            .navbar-actions {
                margin-left: auto;
            }
            .hero-category h1 {
                font-size: 32px;
            }
            .highlight-row {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }
            .highlight-row .thumb {
                width: 80px;
                height: 54px;
            }
            .highlight-row .rank-badge {
                width: 38px;
                height: 38px;
                font-size: 14px;
            }
            .highlight-row .time-info,
            .highlight-row .view-count {
                font-size: 12px;
                white-space: normal;
            }
            .highlight-row .action-btn {
                width: 100%;
                text-align: right;
            }
            .deep-block {
                flex-direction: column;
                gap: 16px;
            }
            .deep-block .deep-img {
                width: 100%;
                height: 200px;
            }
            .section-title {
                font-size: 28px;
            }
            .stat-item .stat-number {
                font-size: 36px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 767px) {
            .hero-category {
                padding: 32px 0 40px;
            }
            .hero-category h1 {
                font-size: 26px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .highlight-row .content h3 {
                font-size: 15px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-legal {
                justify-content: center;
            }
            section {
                padding: 44px 0;
            }
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
        }
        @media (max-width: 575px) {
            .navbar-custom {
                padding: 8px 14px;
                gap: 8px;
            }
            .navbar-logo {
                font-size: 18px;
            }
            .navbar-mobile-toggle {
                display: block;
            }
            .navbar-links {
                display: none;
            }
            .navbar-links.mobile-open {
                display: flex;
                flex-wrap: wrap;
            }
            .navbar-actions .btn-login {
                display: none;
            }
            .hero-category h1 {
                font-size: 24px;
            }
            .hero-category p {
                font-size: 15px;
            }
            .highlight-row {
                padding: 12px;
            }
            .highlight-row .rank-badge {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .highlight-row .thumb {
                width: 64px;
                height: 46px;
            }
            .highlight-row .content h3 {
                font-size: 14px;
            }
            .highlight-row .content .desc {
                font-size: 12px;
                -webkit-line-clamp: 1;
            }
            .highlight-row .time-info {
                font-size: 11px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .btn-primary-custom,
            .btn-secondary-custom,
            .btn-ghost-custom {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 96px;
            --container-max: 1200px;
            --gutter-x: 32px;
            --gutter-y: 40px;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }

        a:hover {
            color: var(--primary);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        section {
            padding: 56px 0;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }

        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
            cursor: pointer;
        }

        .btn-ghost-custom:hover,
        .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }

        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition) ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-card);
        }

        .navbar-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 72px;
        }

        .navbar-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .navbar-logo span {
            color: var(--primary);
        }

        .navbar-logo:hover {
            color: var(--primary);
        }

        .navbar-search {
            flex: 1;
            max-width: 560px;
            min-width: 280px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .navbar-search .search-icon {
            position: absolute;
            left: 16px;
            width: 20px;
            height: 20px;
            color: var(--text-light);
            pointer-events: none;
            z-index: 2;
        }

        .search-input {
            width: 100%;
            height: 46px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 0 20px 0 48px;
            font-size: 14px;
            color: var(--text-dark);
            background: var(--bg-light);
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }

        .search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.5);
        }

        .search-input::placeholder {
            color: var(--text-light);
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }

        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-fast) ease;
        }

        .navbar-links a:hover {
            color: var(--primary);
        }

        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition) ease;
        }

        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }

        .navbar-links a.active {
            font-weight: 600;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
        }

        .btn-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease;
        }

        .btn-login:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
        }

        .btn-subscribe:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }

        .navbar-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease;
        }

        .navbar-mobile-toggle:hover {
            background: var(--bg-light);
        }

        /* 移动端搜索覆盖层 */
        .mobile-search-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--primary);
            z-index: 2050;
            padding: 80px 24px 40px;
            flex-direction: column;
            align-items: center;
        }

        .mobile-search-overlay.active {
            display: flex;
        }

        .mobile-search-overlay .close-btn {
            position: absolute;
            top: 24px;
            right: 24px;
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background var(--transition-fast) ease;
        }

        .mobile-search-overlay .close-btn:hover {
            background: rgba(255,255,255,0.1);
        }

        .mobile-search-overlay .search-box {
            width: 100%;
            max-width: 480px;
            position: relative;
            margin-bottom: 32px;
        }

        .mobile-search-overlay .search-box input {
            width: 100%;
            height: 56px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.08);
            color: #fff;
            padding: 0 20px 0 52px;
            font-size: 16px;
        }

        .mobile-search-overlay .search-box input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200,255,0,0.3);
        }

        .mobile-search-overlay .search-box .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            color: #fff;
        }

        .mobile-search-overlay .quick-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .mobile-search-overlay .quick-links a {
            color: #fff;
            padding: 10px 22px;
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-pill);
            font-size: 14px;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
        }

        .mobile-search-overlay .quick-links a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 20px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom li + li::before {
            content: '›';
            color: var(--text-light);
            font-size: 18px;
            margin-right: 0;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-fast) ease;
        }

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

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

        /* ===== Hero - 白皮书获客 ===== */
        .hero-paper {
            padding: 64px 0 72px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }

        .hero-paper .paper-cover {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .hero-paper .paper-cover::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 260px;
            height: 260px;
            background: var(--accent);
            opacity: 0.08;
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-paper .paper-cover .cover-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .hero-paper .paper-cover .cover-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 4px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .hero-paper .paper-cover .cover-meta {
            color: var(--text-light);
            font-size: 13px;
            text-align: right;
            line-height: 1.6;
        }

        .hero-paper .paper-cover h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.02em;
            margin: 32px 0 16px;
            position: relative;
            z-index: 2;
        }

        .hero-paper .paper-cover h1 .highlight {
            color: var(--accent);
        }

        .hero-paper .paper-cover .paper-subtitle {
            font-size: 17px;
            color: #B0B0B0;
            line-height: 1.7;
            max-width: 520px;
            position: relative;
            z-index: 2;
        }

        .hero-paper .paper-cover .cover-bottom {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            position: relative;
            z-index: 2;
            margin-top: 40px;
        }

        .hero-paper .paper-cover .cover-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-paper .paper-cover .cover-stat {
            text-align: left;
        }

        .hero-paper .paper-cover .cover-stat .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .hero-paper .paper-cover .cover-stat .stat-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .hero-paper .paper-cover .btn-ghost-custom {
            white-space: nowrap;
        }

        .hero-paper .paper-toc {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 36px 36px 40px;
            height: 100%;
            border: 1px solid var(--border);
        }

        .hero-paper .paper-toc h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .hero-paper .paper-toc .toc-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .hero-paper .paper-toc .toc-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .hero-paper .paper-toc .toc-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-dark);
        }

        .hero-paper .paper-toc .toc-list li:last-child {
            border-bottom: none;
        }

        .hero-paper .paper-toc .toc-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .hero-paper .paper-toc .toc-download-form {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
        }

        .hero-paper .paper-toc .toc-download-form label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: block;
            margin-bottom: 8px;
        }

        .hero-paper .paper-toc .toc-download-form input {
            width: 100%;
            height: 46px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 14px;
            margin-bottom: 16px;
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
        }

        .hero-paper .paper-toc .toc-download-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,255,0,0.3);
        }

        .hero-paper .paper-toc .toc-download-form .btn-primary-custom {
            width: 100%;
        }

        /* ===== 时间线/记录流 ===== */
        .timeline-section {
            background: var(--bg-white);
        }

        .timeline-section .timeline-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 48px;
        }

        .timeline-section .timeline-filter {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .timeline-section .timeline-filter .filter-btn {
            padding: 8px 20px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            background: transparent;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition-fast) ease;
        }

        .timeline-section .timeline-filter .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .timeline-section .timeline-filter .filter-btn.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            font-weight: 600;
        }

        .timeline-container {
            position: relative;
            padding-left: 40px;
        }

        .timeline-container::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-bottom: 0;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: -33px;
            top: 8px;
            width: 16px;
            height: 16px;
            background: var(--accent);
            border: 3px solid var(--primary);
            border-radius: 50%;
            z-index: 2;
        }

        .timeline-item .timeline-dot.hot {
            background: var(--secondary);
        }

        .timeline-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            border: 1px solid var(--border);
            transition: box-shadow var(--transition) ease, transform var(--transition) ease;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .timeline-card .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .timeline-card .timeline-date .date-separator {
            color: var(--text-light);
        }

        .timeline-card .timeline-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-card .timeline-card-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .timeline-card .timeline-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .timeline-card .timeline-tag {
            display: inline-block;
            background: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 4px;
        }

        .timeline-card .timeline-tag.accent-tag {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 600;
        }

        .timeline-card .timeline-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast) ease;
        }

        .timeline-card .timeline-link:hover {
            gap: 10px;
            color: var(--primary);
        }

        .timeline-card .timeline-link .arrow {
            font-size: 16px;
        }

        /* ===== 球员数据卡片 ===== */
        .player-data-section {
            background: var(--bg-light);
        }

        .player-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .player-data-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            text-align: center;
            transition: box-shadow var(--transition) ease, transform var(--transition) ease;
        }

        .player-data-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .player-data-card .data-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
        }

        .player-data-card .data-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .player-data-card .data-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .player-data-card .data-change {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            margin-top: 8px;
            display: inline-block;
        }

        .player-data-card .data-change.up {
            color: #16A34A;
        }

        /* ===== 档案库特色 ===== */
        .archive-features-section {
            background: var(--bg-white);
        }

        .archive-features-section .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            margin-bottom: 40px;
        }

        .archive-features-section .feature-row:last-child {
            margin-bottom: 0;
        }

        .archive-features-section .feature-content {
            padding: 24px;
        }

        .archive-features-section .feature-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .archive-features-section .feature-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .archive-features-section .feature-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .archive-features-section .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 深度档案案例 ===== */
        .case-study-section {
            background: var(--bg-light);
        }

        .case-study-section .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--border);
            margin-bottom: 28px;
            transition: box-shadow var(--transition) ease;
        }

        .case-study-section .case-card:hover {
            box-shadow: var(--shadow-card);
        }

        .case-study-section .case-card .case-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }

        .case-study-section .case-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .case-study-section .case-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .case-study-section .case-card .case-meta {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
        }

        /* ===== CTA 下载 ===== */
        .cta-download-section {
            background: var(--primary);
            padding: 72px 0;
        }

        .cta-download-section .cta-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-download-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-download-section h2 .highlight {
            color: var(--accent);
        }

        .cta-download-section p {
            font-size: 16px;
            color: #B0B0B0;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-download-section .btn-ghost-custom {
            margin-right: 12px;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-item .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition-fast) ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }

        .faq-item .faq-question:hover {
            color: var(--accent-hover);
        }

        .faq-item .faq-question .faq-icon {
            font-size: 24px;
            font-weight: 400;
            color: var(--text-light);
            flex-shrink: 0;
            transition: transform var(--transition) ease;
            line-height: 1;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition) ease, padding var(--transition) ease;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            padding: 0 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            padding: 64px 0 24px;
            color: var(--text-light);
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand span {
            color: var(--accent);
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: var(--text-light);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }

        .site-footer .footer-bottom a {
            color: var(--text-light);
            transition: color var(--transition-fast) ease;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        .site-footer .footer-legal {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer .separator {
            color: #4B5563;
            margin: 0 4px;
        }

        .g-4-custom {
            --bs-gutter-x: 32px;
            --bs-gutter-y: 40px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .navbar-custom {
                gap: 16px;
                padding: 0 20px;
            }

            .navbar-links {
                gap: 14px;
                overflow-x: auto;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }

            .navbar-links::-webkit-scrollbar {
                display: none;
            }

            .navbar-actions .btn-login {
                display: none;
            }

            .hero-paper .paper-cover h1 {
                font-size: 40px;
            }

            .player-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .archive-features-section .feature-row {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                flex-wrap: nowrap;
                padding: 0 16px;
                min-height: 64px;
            }

            .navbar-search {
                display: none;
            }

            .navbar-links {
                display: none;
            }

            .navbar-actions {
                display: none;
            }

            .navbar-mobile-toggle {
                display: block;
                margin-left: auto;
            }

            .navbar-logo {
                font-size: 20px;
            }

            section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

            .hero-paper {
                padding: 40px 0;
            }

            .hero-paper .paper-cover {
                padding: 32px 24px;
                min-height: auto;
            }

            .hero-paper .paper-cover h1 {
                font-size: 32px;
                margin: 24px 0 12px;
            }

            .hero-paper .paper-cover .cover-stats {
                gap: 20px;
            }

            .hero-paper .paper-cover .cover-stat .stat-number {
                font-size: 24px;
            }

            .hero-paper .paper-toc {
                padding: 24px 20px;
                margin-top: 20px;
            }

            .timeline-container {
                padding-left: 30px;
            }

            .timeline-container::before {
                left: 10px;
            }

            .timeline-item .timeline-dot {
                left: -25px;
                width: 12px;
                height: 12px;
                top: 10px;
            }

            .timeline-card {
                padding: 20px 18px;
            }

            .timeline-section .timeline-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .player-data-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .player-data-card .data-value {
                font-size: 28px;
            }

            .archive-features-section .feature-content {
                padding: 0;
            }

            .case-study-section .case-card {
                padding: 24px 20px;
            }

            .cta-download-section h2 {
                font-size: 28px;
            }

            .faq-item .faq-question {
                font-size: 15px;
                padding: 16px 0;
            }

            .site-footer {
                padding: 40px 0 16px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-paper .paper-cover h1 {
                font-size: 28px;
            }

            .hero-paper .paper-cover .cover-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .timeline-card .timeline-date {
                font-size: 12px;
            }

            .timeline-card .timeline-card-title {
                font-size: 17px;
            }

            .breadcrumb-custom {
                font-size: 13px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #161616;
            --accent: #C8FF00;
            --accent-hover: #B3E600;
            --secondary: #FF5C00;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #2D2D2D;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-strong: #D1D5DB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 20px 40px -12px rgba(0, 0, 0, 0.18);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
            --transition: 0.25s ease;
            --transition-fast: 0.15s ease;
            --section-padding: 96px;
            --container-max: 1200px;
            --gutter-x: 32px;
            --gutter-y: 40px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.8;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast) ease;
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .badge-accent {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .badge-orange {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--primary);
            color: #fff;
        }
        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            border: 1px solid #fff;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
            display: inline-block;
            text-align: center;
        }
        .btn-ghost-custom:hover,
        .btn-ghost-custom:focus {
            background: #fff;
            color: var(--primary);
        }
        .btn-sm-custom {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow var(--transition-fast) ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 14px 0;
            flex-wrap: wrap;
            position: relative;
        }
        .navbar-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: baseline;
            white-space: nowrap;
        }
        .navbar-logo span {
            color: var(--accent);
            -webkit-text-stroke: 1px var(--primary);
            text-stroke: 1px var(--primary);
            text-shadow: none;
        }
        .navbar-logo:hover {
            color: var(--primary);
        }
        .navbar-logo:hover span {
            color: var(--accent-hover);
        }
        .navbar-search {
            flex: 1;
            min-width: 240px;
            max-width: 580px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .navbar-search .search-icon {
            position: absolute;
            left: 16px;
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            pointer-events: none;
            transition: color var(--transition-fast) ease;
        }
        .search-input {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-pill);
            padding: 0 16px 0 44px;
            font-size: 14px;
            background: var(--bg-white);
            color: var(--text-dark);
            transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
        }
        .search-input::placeholder {
            color: var(--text-light);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.25);
        }
        .navbar-search:hover .search-icon {
            color: var(--primary);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .navbar-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast) ease;
            white-space: nowrap;
        }
        .navbar-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition) ease;
        }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }
        .navbar-links a:hover {
            color: var(--primary);
        }
        .navbar-links a.active {
            font-weight: 700;
            color: var(--primary);
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .btn-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .btn-subscribe {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
            white-space: nowrap;
        }
        .btn-subscribe:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: scale(1.02);
        }
        .navbar-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast) ease;
            margin-left: auto;
        }
        .navbar-mobile-toggle:hover {
            background: var(--bg-light);
        }
        .mobile-search-overlay {
            position: fixed;
            inset: 0;
            background: var(--primary);
            z-index: 1050;
            display: none;
            flex-direction: column;
            align-items: center;
            padding: 32px 24px;
        }
        .mobile-search-overlay.open {
            display: flex;
        }
        .mobile-search-overlay .close-btn {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background var(--transition-fast) ease;
        }
        .mobile-search-overlay .close-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-search-overlay .overlay-search-input {
            width: 100%;
            max-width: 600px;
            height: 52px;
            border: 1px solid #fff;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 0 20px 0 48px;
            font-size: 16px;
            margin-top: 60px;
        }
        .mobile-search-overlay .overlay-search-input::placeholder {
            color: var(--text-light);
        }
        .mobile-search-overlay .overlay-search-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.2);
        }
        .mobile-search-overlay .overlay-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 24px;
        }
        .mobile-search-overlay .overlay-links a {
            color: #fff;
            font-size: 15px;
            padding: 8px 16px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-pill);
            transition: border-color var(--transition-fast) ease, background var(--transition-fast) ease;
        }
        .mobile-search-overlay .overlay-links a:hover {
            border-color: var(--accent);
            background: rgba(200, 255, 0, 0.1);
            color: var(--accent);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            padding: 20px 0 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-fast) ease;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: var(--text-light);
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 分类页Hero ===== */
        .category-hero {
            padding: 36px 0 40px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }
        .category-hero .container-custom {
            position: relative;
        }
        .category-hero-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero-text {
            flex: 1 1 400px;
        }
        .category-hero-text .kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .category-hero-text h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .category-hero-text .subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 520px;
        }
        .category-hero-image {
            flex: 0 0 280px;
            width: 280px;
            height: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .category-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-hero-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 22, 22, 0.15) 0%, rgba(200, 255, 0, 0.08) 100%);
            pointer-events: none;
        }

        /* ===== 封面大卡堆叠 ===== */
        .stacked-covers {
            background: var(--bg-light);
            padding: 56px 0;
        }
        .stacked-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .stacked-header .section-title {
            margin-bottom: 0;
        }
        .stacked-controls {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .stacked-controls button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            background: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            transition: all var(--transition-fast) ease;
        }
        .stacked-controls button:hover {
            border-color: var(--primary);
            background: var(--primary);
            color: var(--accent);
        }
        .stacked-controls button:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }
        .cover-stack {
            position: relative;
            height: 440px;
        }
        .cover-card {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            max-width: 720px;
            height: 400px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
            border: 1px solid var(--border);
        }
        .cover-card:nth-child(1) {
            z-index: 6;
            transform: scale(1);
            opacity: 1;
            left: 0;
        }
        .cover-card:nth-child(2) {
            z-index: 5;
            transform: scale(0.92) translateY(20px);
            opacity: 0.75;
            left: 60px;
        }
        .cover-card:nth-child(3) {
            z-index: 4;
            transform: scale(0.84) translateY(40px);
            opacity: 0.5;
            left: 120px;
        }
        .cover-card:nth-child(4) {
            z-index: 3;
            transform: scale(0.76) translateY(60px);
            opacity: 0.3;
            left: 180px;
        }
        .cover-card:nth-child(5) {
            z-index: 2;
            transform: scale(0.68) translateY(80px);
            opacity: 0.15;
            left: 240px;
        }
        .cover-card:nth-child(6) {
            z-index: 1;
            transform: scale(0.6) translateY(100px);
            opacity: 0.05;
            left: 300px;
        }
        .cover-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .cover-card-inner {
            display: flex;
            height: 100%;
        }
        .cover-card-image {
            flex: 0 0 45%;
            height: 100%;
            overflow: hidden;
            position: relative;
        }
        .cover-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cover-card-image .cover-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .cover-card-content {
            flex: 1;
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cover-card-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .cover-card-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .cover-card-content .meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* ===== 数据摘要短卡 ===== */
        .summary-cards {
            background: var(--bg-white);
            padding: 56px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .summary-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: transform var(--transition) ease, box-shadow var(--transition) ease, border-color var(--transition) ease;
        }
        .summary-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .summary-card .summary-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .summary-card .summary-label .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .summary-card .summary-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .summary-card .summary-number .unit {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
            margin-left: 4px;
        }
        .summary-card .summary-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 深度图文区块 ===== */
        .deep-section {
            background: var(--bg-light);
            padding: 56px 0;
        }
        .deep-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .deep-row:last-child {
            margin-bottom: 0;
        }
        .deep-row.reverse {
            flex-direction: row-reverse;
        }
        .deep-image {
            flex: 0 0 42%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .deep-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .deep-image .image-tag {
            position: absolute;
            bottom: 16px;
            right: 16px;
            background: var(--primary);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }
        .deep-text {
            flex: 1;
            min-width: 280px;
        }
        .deep-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .deep-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* ===== 分页导航 ===== */
        .pagination-custom {
            padding: 40px 0 56px;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
        }
        .pagination-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pagination-inner .page-btn {
            min-width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast) ease;
            padding: 0 12px;
        }
        .pagination-inner .page-btn:hover {
            border-color: var(--primary);
            background: var(--bg-light);
        }
        .pagination-inner .page-btn.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination-inner .page-btn:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding: 56px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition) ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item.open {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast) ease;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--text-light);
            transition: transform var(--transition) ease, color var(--transition-fast) ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            color: var(--accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 56px 0;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-inner .cta-text h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.2;
        }
        .cta-inner .cta-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 500px;
        }
        .cta-inner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-light);
            padding: 56px 0 24px;
        }
        .site-footer .container-custom {
            padding-left: 32px;
            padding-right: 32px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-light);
            font-size: 14px;
            transition: color var(--transition-fast) ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .g-4-custom {
            --bs-gutter-y: 24px;
            --bs-gutter-x: 24px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }
        .footer-bottom a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast) ease;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom .separator {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
            .navbar-links {
                gap: 12px;
            }
            .navbar-links a {
                font-size: 13px;
            }
        }
        @media (max-width: 992px) {
            .navbar-custom {
                gap: 16px;
                flex-wrap: wrap;
            }
            .navbar-search {
                max-width: 360px;
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
            }
            .navbar-links {
                gap: 10px;
                flex-wrap: wrap;
            }
            .navbar-actions {
                margin-left: 0;
            }
            .category-hero-text h1 {
                font-size: 28px;
            }
            .category-hero-image {
                flex-basis: 200px;
                width: 200px;
                height: 200px;
            }
            .cover-stack {
                height: 380px;
            }
            .cover-card {
                height: 340px;
                max-width: 600px;
            }
            .cover-card:nth-child(2) {
                left: 30px;
            }
            .cover-card:nth-child(3) {
                left: 60px;
            }
            .cover-card:nth-child(4) {
                left: 90px;
            }
            .cover-card:nth-child(5) {
                left: 120px;
            }
            .cover-card:nth-child(6) {
                left: 150px;
            }
            .deep-image {
                flex-basis: 100%;
            }
            .deep-image img {
                height: 220px;
            }
            .section-title {
                font-size: 32px;
            }
            .cta-inner .cta-text h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
            .navbar-custom {
                padding: 10px 0;
                gap: 12px;
                flex-wrap: nowrap;
            }
            .navbar-links {
                display: none;
            }
            .navbar-search {
                display: none;
            }
            .navbar-actions {
                display: none;
            }
            .navbar-mobile-toggle {
                display: flex;
            }
            .mobile-search-overlay {
                display: flex;
            }
            .category-hero {
                padding: 24px 0 28px;
            }
            .category-hero-inner {
                gap: 20px;
            }
            .category-hero-text h1 {
                font-size: 22px;
            }
            .category-hero-text .subtitle {
                font-size: 14px;
            }
            .category-hero-image {
                flex-basis: 140px;
                width: 140px;
                height: 140px;
            }
            .cover-stack {
                height: 360px;
            }
            .cover-card {
                height: 300px;
                max-width: 100%;
            }
            .cover-card:nth-child(1) {
                left: 0;
            }
            .cover-card:nth-child(2) {
                left: 16px;
                transform: scale(0.94) translateY(16px);
            }
            .cover-card:nth-child(3) {
                left: 32px;
                transform: scale(0.88) translateY(32px);
            }
            .cover-card:nth-child(4) {
                left: 48px;
                transform: scale(0.82) translateY(48px);
            }
            .cover-card:nth-child(5) {
                left: 64px;
                transform: scale(0.76) translateY(64px);
            }
            .cover-card:nth-child(6) {
                left: 80px;
                transform: scale(0.7) translateY(80px);
            }
            .cover-card-inner {
                flex-direction: column;
            }
            .cover-card-image {
                flex: 0 0 45%;
                height: 45%;
            }
            .cover-card-content {
                padding: 16px 20px;
            }
            .cover-card-content h3 {
                font-size: 16px;
                margin-bottom: 6px;
            }
            .cover-card-content p {
                font-size: 12px;
                margin-bottom: 8px;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .cover-card-content .meta {
                font-size: 11px;
                gap: 8px;
            }
            .stacked-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .summary-grid {
                grid-template-columns: 1fr;
            }
            .summary-card .summary-number {
                font-size: 28px;
            }
            .deep-row {
                gap: 20px;
            }
            .deep-text h3 {
                font-size: 20px;
            }
            .breadcrumb-custom {
                font-size: 13px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .category-hero-image {
                flex-basis: 100px;
                width: 100px;
                height: 100px;
            }
            .category-hero-text h1 {
                font-size: 20px;
            }
            .cover-stack {
                height: 320px;
            }
            .cover-card {
                height: 260px;
                border-radius: var(--radius-md);
            }
            .cover-card-content h3 {
                font-size: 14px;
            }
            .cover-card-content p {
                font-size: 11px;
                -webkit-line-clamp: 1;
            }
            .cover-card-content .meta {
                display: none;
            }
            .pagination-inner .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 13px;
            }
            .deep-image img {
                height: 180px;
            }
        }

/* roulang page: category4 */
/* roulang page: category4 */
:root {
  --primary: #161616;
  --accent: #C8FF00;
  --accent-hover: #B3E600;
  --secondary: #FF5C00;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --text-dark: #2D2D2D;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover: 0 20px 40px -12px rgba(0,0,0,0.18);
  --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "Inter", "Roboto Mono", "SF Mono", monospace;
  --transition: 0.25s ease;
  --transition-fast: 0.15s ease;
  --section-padding: 96px;
  --container-max: 1200px;
  --gutter-x: 32px;
  --gutter-y: 40px;
}

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

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast) ease;
}
a:hover {
  color: var(--primary);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(200, 255, 0, 0.5);
  outline-offset: 2px;
}

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

.container-custom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

section {
  padding: var(--section-padding) 0;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 40px;
}
.section-tag {
  display: inline-block;
  background: rgba(200, 255, 0, 0.25);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.badge-accent {
  display: inline-block;
  background: var(--primary);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-orange {
  display: inline-block;
  background: var(--secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
}
.badge-outline {
  display: inline-block;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.btn-primary-custom {
  background: var(--accent);
  color: var(--primary);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-size: 16px;
  transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}
.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background: var(--accent-hover);
  color: var(--primary);
  transform: scale(1.02);
}
.btn-primary-custom:active {
  transform: scale(0.98);
}

.btn-secondary-custom {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}
.btn-secondary-custom:hover,
.btn-secondary-custom:focus {
  background: var(--primary);
  color: #fff;
}

.btn-ghost-custom {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  transition: background var(--transition-fast) ease, color var(--transition-fast) ease;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}
.btn-ghost-custom:hover,
.btn-ghost-custom:focus {
  background: #fff;
  color: var(--primary);
}

.btn-sm-custom {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: 6px;
}

.btn-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: gap var(--transition-fast) ease;
}
.btn-link-custom svg {
  width: 16px;
  height: 16px;
}
.btn-link-custom:hover {
  gap: 10px;
  color: var(--primary);
}
.btn-link-custom:hover::after {
  width: 100%;
}
.btn-link-custom::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-fast) ease;
}

/* ===== 导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: box-shadow var(--transition) ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.navbar-custom {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  flex-wrap: nowrap;
}
.navbar-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.navbar-logo span {
  color: var(--secondary);
}
.navbar-logo:hover {
  color: var(--primary);
}
.navbar-search {
  flex: 1;
  max-width: 540px;
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}
.navbar-search .search-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--text-light);
  pointer-events: none;
}
.search-input {
  width: 100%;
  height: 46px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--bg-light);
  padding: 0 18px 0 42px;
  font-size: 15px;
  color: var(--text-dark);
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}
.search-input::placeholder {
  color: var(--text-light);
}
.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.3);
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}
.navbar-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast) ease;
}
.navbar-links a:hover {
  color: var(--primary);
}
.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition) ease;
}
.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}
.navbar-links a.active {
  color: var(--primary);
  font-weight: 600;
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: transparent;
  transition: background var(--transition-fast) ease, border-color var(--transition-fast) ease;
}
.btn-login:hover {
  background: var(--bg-light);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-subscribe {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: var(--accent);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: none;
  transition: background var(--transition-fast) ease, transform var(--transition-fast) ease;
}
.btn-subscribe:hover {
  background: var(--accent-hover);
  color: var(--primary);
  transform: scale(1.03);
}
.navbar-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--transition-fast) ease;
}
.navbar-mobile-toggle:hover {
  background: var(--bg-light);
}

/* 移动端搜索层 */
.mobile-search-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  z-index: 1100;
  padding: 28px 24px;
  overflow-y: auto;
  animation: overlayFadeIn 0.2s ease forwards;
}
.mobile-search-overlay.active {
  display: block;
}
@keyframes overlayFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.mobile-search-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.mobile-search-brand {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}
.mobile-search-brand span {
  color: var(--accent);
}
.mobile-search-close {
  background: rgba(255,255,255,0.12);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast) ease;
}
.mobile-search-close:hover {
  background: rgba(255,255,255,0.25);
}
.mobile-search-input {
  width: 100%;
  height: 52px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  padding: 0 20px;
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
}
.mobile-search-input::placeholder {
  color: rgba(255,255,255,0.55);
}
.mobile-search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.25);
}
.mobile-search-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.mobile-search-links a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition-fast) ease;
}
.mobile-search-links a:hover,
.mobile-search-links a.active {
  background: var(--accent);
  color: var(--primary);
}

/* ===== 面包屑 ===== */
.breadcrumb-section {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb-custom a {
  color: var(--text-muted);
  transition: color var(--transition-fast) ease;
}
.breadcrumb-custom a:hover {
  color: var(--primary);
}
.breadcrumb-custom .separator {
  color: var(--text-light);
  font-size: 12px;
}
.breadcrumb-custom .current {
  color: var(--primary);
  font-weight: 600;
}

/* ===== Hero 分类页 ===== */
.hero-category {
  background: var(--primary);
  padding: 52px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-category::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(200, 255, 0, 0.08);
  pointer-events: none;
}
.hero-category::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 10%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 92, 0, 0.06);
  pointer-events: none;
}
.hero-category .container-custom {
  position: relative;
  z-index: 1;
}
.hero-category-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.hero-category-title .accent-text {
  color: var(--accent);
}
.hero-category-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 24px;
}
.hero-category-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-category-meta .meta-item {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-category-meta .meta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ===== 两列混合 ===== */
.mixed-grid-section {
  background: var(--bg-light);
  padding: 80px 0;
}
.mixed-grid-row {
  margin-bottom: 56px;
}
.mixed-main-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition) ease, transform var(--transition) ease;
  height: 100%;
}
.mixed-main-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.mixed-main-card .card-image {
  height: 300px;
  overflow: hidden;
  position: relative;
}
.mixed-main-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition) ease;
}
.mixed-main-card:hover .card-image img {
  transform: scale(1.03);
}
.mixed-main-card .card-body {
  padding: 28px 32px 32px;
}
.mixed-main-card .card-tag {
  margin-bottom: 10px;
}
.mixed-main-card h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 12px;
}
.mixed-main-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.mixed-main-card .card-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-bottom: 16px;
}
.mixed-main-card .stat-item {
  display: flex;
  flex-direction: column;
}
.mixed-main-card .stat-item .stat-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
}
.mixed-main-card .stat-item .stat-label {
  font-size: 12px;
  color: var(--text-light);
}

.mixed-side-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition) ease, transform var(--transition) ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.mixed-side-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.mixed-side-card .side-image {
  height: 150px;
  overflow: hidden;
  flex-shrink: 0;
}
.mixed-side-card .side-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mixed-side-card .side-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.mixed-side-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.mixed-side-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
  flex: 1;
}
.mixed-side-card .side-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}
.mixed-side-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}
.mixed-side-stack .mixed-side-card {
  flex: 1;
}

/* ===== 底部横向滚动 ===== */
.horizontal-section {
  background: #fff;
  padding: 72px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.horizontal-scroll-wrap {
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.horizontal-scroll-wrap::-webkit-scrollbar {
  height: 6px;
}
.horizontal-scroll-wrap::-webkit-scrollbar-track {
  background: var(--bg-light);
  border-radius: 3px;
}
.horizontal-scroll-wrap::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}
.horizontal-scroll-wrap::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}
.horizontal-scroll {
  display: flex;
  gap: 20px;
  min-width: min-content;
}
.scroll-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition) ease, transform var(--transition) ease;
}
.scroll-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scroll-card .scroll-image {
  height: 160px;
  overflow: hidden;
}
.scroll-card .scroll-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scroll-card .scroll-body {
  padding: 18px 20px 20px;
}
.scroll-card h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.scroll-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}
.scroll-card .scroll-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.scroll-card .scroll-tags span {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-light);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ===== 战术风格 ===== */
.tactics-section {
  background: var(--bg-light);
  padding: 80px 0;
}
.tactic-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px 26px;
  height: 100%;
  transition: box-shadow var(--transition) ease, transform var(--transition) ease;
}
.tactic-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.tactic-card .tactic-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.tactic-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.tactic-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== 数据对比 ===== */
.stats-compare-section {
  background: var(--primary);
  padding: 80px 0;
  position: relative;
}
.stats-compare-section .section-title {
  color: #fff;
}
.stats-compare-section .section-subtitle {
  color: rgba(255,255,255,0.7);
}
.compare-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  height: 100%;
  transition: background var(--transition) ease, border-color var(--transition) ease;
}
.compare-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(200, 255, 0, 0.35);
}
.compare-card .compare-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
}
.compare-card .compare-team {
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-card .team-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.compare-card .team-dot.dot-accent {
  background: var(--accent);
}
.compare-card .team-dot.dot-orange {
  background: var(--secondary);
}
.compare-card .team-dot.dot-white {
  background: #fff;
}
.compare-card .compare-name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.compare-card .compare-vs {
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}
.compare-card .compare-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
}
.compare-card .metric-item {
  display: flex;
  flex-direction: column;
}
.compare-card .metric-item .metric-label {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 2px;
}
.compare-card .metric-item .metric-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ===== 经典战役 ===== */
.classic-section {
  background: #fff;
  padding: 80px 0;
}
.classic-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast) ease;
}
.classic-item:hover {
  background: var(--bg-light);
  padding-left: 12px;
}
.classic-item:last-child {
  border-bottom: none;
}
.classic-date {
  flex-shrink: 0;
  width: 80px;
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  font-family: var(--font-mono);
  padding-top: 2px;
}
.classic-content {
  flex: 1;
}
.classic-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}
.classic-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}
.classic-score {
  flex-shrink: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  text-align: right;
  min-width: 60px;
}

/* ===== 专题服务 ===== */
.topic-service-section {
  background: var(--bg-light);
  padding: 80px 0;
}
.service-row-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
  height: 100%;
  transition: box-shadow var(--transition) ease, transform var(--transition) ease;
  display: flex;
  flex-direction: column;
}
.service-row-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.service-row-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.service-row-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}
.service-row-card .service-tag {
  margin-top: 14px;
}

/* ===== FAQ ===== */
.faq-section {
  background: #fff;
  padding: 80px 0;
}
.accordion-custom .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  background: var(--bg-white);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.accordion-custom .accordion-header {
  padding: 0;
}
.accordion-custom .accordion-button {
  background: var(--bg-white);
  color: var(--primary);
  font-weight: 600;
  font-size: 16px;
  padding: 18px 22px;
  border-radius: var(--radius-md) !important;
  box-shadow: none !important;
  transition: color var(--transition-fast) ease, background var(--transition-fast) ease;
}
.accordion-custom .accordion-button:not(.collapsed) {
  background: var(--bg-white);
  color: var(--primary);
  box-shadow: none !important;
}
.accordion-custom .accordion-button:hover {
  color: var(--accent-hover);
  background: var(--bg-light);
}
.accordion-custom .accordion-button:focus {
  z-index: 2;
  border-color: transparent;
  outline: 3px solid rgba(200, 255, 0, 0.5);
  outline-offset: -3px;
}
.accordion-custom .accordion-button::after {
  filter: brightness(0) saturate(100%) invert(0%);
}
.accordion-custom .accordion-body {
  padding: 16px 22px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(200, 255, 0, 0.08);
}
.cta-section .container-custom {
  position: relative;
  z-index: 1;
}
.cta-title {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-title .accent-text {
  color: var(--accent);
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 24px;
}
.cta-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  padding: 60px 0 0;
  color: var(--text-light);
}
.footer-brand {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand span {
  color: var(--accent);
}
.footer-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 320px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--text-light);
  font-size: 14px;
  transition: color var(--transition-fast) ease;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  margin-top: 40px;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-light);
}
.footer-legal .separator {
  color: rgba(255,255,255,0.3);
}
.footer-bottom a {
  color: var(--text-light);
  font-size: 13px;
  transition: color var(--transition-fast) ease;
}
.footer-bottom a:hover {
  color: var(--accent);
}
.g-4-custom {
  --bs-gutter-y: 2rem;
  --bs-gutter-x: 2rem;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .navbar-links {
    gap: 12px;
  }
  .navbar-links a {
    font-size: 13px;
  }
  .navbar-search {
    max-width: 320px;
  }
  .navbar-actions .btn-login {
    display: none;
  }
  .hero-category-title {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .section-subtitle {
    font-size: 15px;
    margin-bottom: 28px;
  }
  .navbar-search {
    display: none;
  }
  .navbar-actions {
    display: none;
  }
  .navbar-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .navbar-custom {
    padding: 12px 16px;
  }
  .hero-category {
    padding: 36px 0 40px;
  }
  .hero-category-title {
    font-size: 28px;
  }
  .hero-category-subtitle {
    font-size: 15px;
  }
  .mixed-main-card .card-image {
    height: 220px;
  }
  .mixed-main-card .card-body {
    padding: 20px 18px 22px;
  }
  .mixed-main-card h3 {
    font-size: 20px;
  }
  .scroll-card {
    flex: 0 0 240px;
  }
  .compare-card {
    padding: 18px 16px;
    margin-bottom: 16px;
  }
  .classic-item {
    flex-direction: column;
    gap: 8px;
  }
  .classic-date {
    width: auto;
  }
  .classic-score {
    text-align: left;
  }
  .cta-title {
    font-size: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 576px) {
  .container-custom {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-category-title {
    font-size: 24px;
  }
  .hero-category {
    padding: 28px 0 32px;
  }
  .mixed-main-card .card-image {
    height: 180px;
  }
  .mixed-side-stack {
    margin-top: 16px;
  }
  .scroll-card {
    flex: 0 0 220px;
  }
  .compare-card .compare-metrics {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 24px;
  }
  .cta-title {
    font-size: 20px;
  }
  .navbar-logo {
    font-size: 20px;
  }
}