/* roulang page: index */
@layer base {
            :root {
                --color-primary: #0D1F1A;
                --color-accent: #7CFF5B;
                --color-bg: #F7F6F1;
                --color-card: #FFFFFF;
                --color-text: #1C1C1C;
                --color-text-sub: #505A55;
                --color-accent-hover: #6BE849;
                --color-primary-light: #152E26;
                --color-border-light: rgba(13, 31, 26, 0.08);
                --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
                --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
                --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
                --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
                --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
                --radius-card: 14px;
                --radius-btn: 10px;
                --radius-tag: 6px;
                --radius-search: 14px;
                --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
                --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            }

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

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

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

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

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

            button {
                cursor: pointer;
                font-family: inherit;
            }

            input {
                font-family: inherit;
            }

            .container-custom {
                max-width: 1200px;
                margin: 0 auto;
                padding-left: 24px;
                padding-right: 24px;
            }

            @media (max-width: 768px) {
                .container-custom {
                    padding-left: 16px;
                    padding-right: 16px;
                }
            }
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.88) 0%, rgba(13, 31, 26, 0.72) 50%, rgba(13, 31, 26, 0.82) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

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

        .card-dark {
            background: var(--color-primary-light);
            border-radius: 16px;
            box-shadow: var(--shadow-dark-card);
            border: 1px solid rgba(124, 255, 91, 0.12);
            padding: 24px;
            transition: all var(--transition-smooth);
        }

        .card-dark:hover {
            border-color: rgba(124, 255, 91, 0.25);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--color-border-light);
            background: var(--color-bg);
            color: var(--color-text-sub);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .tag-accent {
            background: rgba(124, 255, 91, 0.1);
            border-color: var(--color-accent);
            color: #0D1F1A;
            font-weight: 600;
        }

        /* 搜索大卡 */
        .search-hero-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(13, 31, 26, 0.1);
            padding: 28px 32px;
        }

        .search-hero-input {
            height: 56px;
            border-radius: 14px;
            border: 2px solid #e5e7e5;
            padding: 0 52px 0 48px;
            font-size: 16px;
            width: 100%;
            outline: none;
            transition: all var(--transition-smooth);
            background: #fafaf9;
        }

        .search-hero-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 255, 91, 0.15);
            background: #fff;
        }

        .search-hero-input::placeholder {
            color: #8A9B94;
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
        }

        .faq-question {
            padding: 18px 0;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s;
            color: var(--color-text-sub);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-item.open .faq-question {
            color: var(--color-primary);
        }

        .faq-arrow {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        /* 底部固定条 */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(13, 31, 26, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 24px;
            border-top: 1px solid rgba(124, 255, 91, 0.15);
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .bottom-cta-bar.visible {
            transform: translateY(0);
        }

        .bottom-cta-btn {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            height: 48px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .bottom-cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        /* 星星评分 */
        .star-rating {
            display: inline-flex;
            gap: 2px;
        }

        .star {
            width: 16px;
            height: 16px;
            color: #F5A623;
            fill: currentColor;
        }

        .star-empty {
            color: #d5d8d5;
        }

        /* 新闻列表行 */
        .news-row {
            display: flex;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            gap: 16px;
            cursor: pointer;
        }

        .news-row:hover {
            background: rgba(13, 31, 26, 0.02);
        }

        .news-date-block {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            line-height: 1.2;
        }

        .news-date-day {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-num);
        }

        .news-date-month {
            font-size: 12px;
            color: var(--color-text-sub);
            text-transform: uppercase;
        }

        .arrow-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .arrow-link:hover {
            gap: 10px;
        }

        .arrow-link svg {
            transition: transform var(--transition-fast);
        }

        .arrow-link:hover svg {
            transform: translateX(4px);
        }

        /* 斜切分割 */
        .diagonal-clip {
            clip-path: polygon(0 0, 58% 0, 48% 100%, 0 100%);
        }

        @media (max-width: 768px) {
            .diagonal-clip {
                clip-path: none;
            }
            .hero-section {
                min-height: 680px;
            }
            .nav-search-input {
                font-size: 14px;
            }
            .bottom-cta-bar {
                height: 56px;
                gap: 10px;
                padding: 0 12px;
            }
            .bottom-cta-btn {
                height: 40px;
                padding: 8px 16px;
                font-size: 13px;
            }
            .card {
                padding: 16px;
            }
            .news-row {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 600px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 14px;
            }
            .search-hero-card {
                padding: 16px;
            }
            .search-hero-input {
                height: 48px;
                font-size: 14px;
            }
        }

        /* 汉堡菜单 */
        .mobile-menu {
            display: none;
        }

        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
            .desktop-nav-links {
                display: none;
            }
            .mobile-menu-drawer {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 360px;
                height: 100vh;
                background: var(--color-primary);
                z-index: 1100;
                transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                padding: 20px;
                overflow-y: auto;
                box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
            }
            .mobile-menu-drawer.open {
                right: 0;
            }
            .mobile-menu-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 1099;
                display: none;
            }
            .mobile-menu-overlay.open {
                display: block;
            }
        }

        /* 场景演示比分卡 */
        .score-display {
            background: rgba(13, 31, 26, 0.9);
            border-radius: 16px;
            padding: 28px;
            border: 1px solid rgba(124, 255, 91, 0.2);
            text-align: center;
        }

        .score-team {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .score-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-accent);
            font-family: var(--font-num);
            line-height: 1;
        }

        .score-vs {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            font-weight: 600;
        }

        /* 步骤时间轴 */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
        }

        .step-number {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        /* 保障图标条 */
        .guarantee-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(124, 255, 91, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            flex-shrink: 0;
        }

        /* 版本更新 changelog */
        .changelog-item {
            padding: 14px 0;
            border-left: 2px solid var(--color-border-light);
            padding-left: 20px;
            position: relative;
            margin-bottom: 4px;
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -5px;
            top: 20px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .changelog-version {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 14px;
            letter-spacing: 0.5px;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 2px solid #e5e7e5;
            font-size: 15px;
            outline: none;
            transition: all var(--transition-fast);
            background: #fafaf9;
            font-family: inherit;
        }

        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(124, 255, 91, 0.1);
            background: #fff;
        }

        /* 网格纹理背景 */
        .grid-texture {
            background-image:
                linear-gradient(rgba(13, 31, 26, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(13, 31, 26, 0.03) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        /* 数据条 */
        .data-bar {
            height: 6px;
            border-radius: 3px;
            background: var(--color-accent);
            transition: width 0.6s ease;
        }

/* roulang page: category1 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* 分类Hero */
        .category-hero {
            height: 380px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.9) 0%, rgba(13, 31, 26, 0.7) 50%, rgba(13, 31, 26, 0.85) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #8A9B94;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: #5A6B64;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        .btn-text {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
        }

        .btn-text .arrow {
            display: inline-block;
            transition: transform var(--transition-smooth);
        }

        .btn-text:hover .arrow {
            transform: translateX(6px);
        }

        .btn-text:hover {
            color: var(--color-accent-hover);
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

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

        /* 新闻列表卡片 */
        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            display: flex;
            gap: 20px;
            padding: 0;
        }

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

        .news-card-image {
            width: 200px;
            min-width: 200px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .news-card-body {
            padding: 20px 20px 20px 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-card-date {
            font-family: var(--font-num);
            font-size: 13px;
            color: var(--color-text-sub);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .news-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-card:hover .news-card-title {
            color: #0D3B2A;
        }

        .news-card-summary {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 赛事日历卡 */
        .calendar-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 20px;
            position: sticky;
            top: 100px;
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 6px;
            margin-bottom: 16px;
        }

        .calendar-cell {
            aspect-ratio: 1;
            border-radius: 6px;
            background: #F0F2F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: #8A9B94;
            font-family: var(--font-num);
            transition: all var(--transition-fast);
        }

        .calendar-cell.highlight {
            background: rgba(124, 255, 91, 0.15);
            color: #0D3B2A;
            font-weight: 600;
        }

        .calendar-cell.today {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }

        .calendar-header {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 6px;
            margin-bottom: 8px;
            font-size: 11px;
            color: #8A9B94;
            text-align: center;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* 筛选标签 */
        .filter-tag {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border-light);
            background: #fff;
            color: var(--color-text-sub);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-accent);
            color: #0D3B2A;
            background: rgba(124, 255, 91, 0.06);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* 页脚 */
        .site-footer {
            background: #0D1F1A;
            color: #c5cfca;
            padding: 48px 0 24px;
        }

        .site-footer a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: #7CFF5B;
        }

        .footer-heading {
            color: #fff;
            font-weight: 600;
            margin-bottom: 12px;
            font-size: 14px;
        }

        /* 移动端汉堡菜单 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 2000;
            padding: 24px;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
        }

        .mobile-drawer-overlay.open {
            display: block;
        }

        .mobile-drawer .nav-link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .nav-header .hidden.lg\:flex {
                display: none !important;
            }
            .nav-header .flex.items-center.justify-between .lg\:hidden {
                display: block !important;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-image {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .news-card-body {
                padding: 16px;
            }
            .category-hero {
                height: 300px;
            }
            .calendar-card {
                position: static;
                margin-top: 24px;
            }
            .main-layout {
                flex-direction: column;
            }
            .main-layout .main-left {
                width: 100% !important;
            }
            .main-layout .main-right {
                width: 100% !important;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu-btn {
                display: none;
            }
            .mobile-drawer,
            .mobile-drawer-overlay {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-title);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }
        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }
        .nav-search-input::placeholder {
            color: #8A9B94;
        }
        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff;
        }
        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }
        .btn-outline-dark:hover {
            background: rgba(13, 31, 26, 0.06);
            transform: translateY(-2px);
        }
        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        /* Hero分类 */
        .category-hero {
            position: relative;
            min-height: 380px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.9) 0%, rgba(13, 31, 26, 0.7) 50%, rgba(13, 31, 26, 0.85) 100%);
            z-index: 1;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .breadcrumb-link {
            color: #8A9B94;
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .breadcrumb-link:hover {
            color: var(--color-accent);
        }
        /* 大数字统计 */
        .stat-big-number {
            font-family: var(--font-num);
            font-size: 56px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            letter-spacing: -1px;
        }
        .stat-underline {
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            margin-top: 6px;
            border-radius: 1px;
        }
        /* 图表示意 */
        .chart-bar {
            background: var(--color-accent);
            border-radius: 4px 4px 0 0;
            transition: all var(--transition-smooth);
            min-width: 28px;
            position: relative;
        }
        .chart-bar:hover {
            background: var(--color-accent-hover);
            filter: brightness(1.05);
        }
        .chart-grid-line {
            position: absolute;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(13, 31, 26, 0.06);
        }
        /* 数据表 */
        .data-table-row {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1fr 1fr 1.2fr;
            align-items: center;
            padding: 14px 16px;
            border-bottom: 1px solid rgba(13, 31, 26, 0.08);
            transition: background var(--transition-fast);
            font-size: 14px;
            min-height: 48px;
        }
        .data-table-row:hover {
            background: #EFF7EC;
        }
        .data-table-header {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: 10px 10px 0 0;
            padding: 16px 16px;
            border-bottom: none;
        }
        .data-table-header:hover {
            background: var(--color-primary);
        }
        .data-table-row:nth-child(even) {
            background: #FAFAF8;
        }
        .data-table-row:nth-child(even):hover {
            background: #EFF7EC;
        }
        /* 底部固定条 */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(13, 31, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            border-top: 1px solid rgba(124, 255, 91, 0.15);
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .fixed-bottom-bar.visible {
            transform: translateY(0);
        }
        .fixed-bottom-bar .cta-text {
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .fixed-bottom-bar .btn-cta-sm {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .fixed-bottom-bar .btn-cta-sm:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        @media (max-width: 768px) {
            .fixed-bottom-bar {
                height: 56px;
                padding: 0 16px;
            }
            .fixed-bottom-bar .cta-text {
                font-size: 13px;
                max-width: 55%;
            }
            .fixed-bottom-bar .btn-cta-sm {
                padding: 8px 16px;
                font-size: 13px;
            }
            .stat-big-number {
                font-size: 36px;
            }
            .category-hero {
                min-height: 300px;
            }
            .data-table-row {
                grid-template-columns: 1.5fr 1fr 0.8fr 0.7fr 0.8fr;
                font-size: 12px;
                padding: 10px 8px;
                gap: 4px;
            }
            .data-table-header {
                font-size: 12px;
                padding: 12px 8px;
                border-radius: 8px 8px 0 0;
            }
            .chart-bar {
                min-width: 18px;
            }
        }
        @media (max-width: 520px) {
            .data-table-row {
                grid-template-columns: 1.2fr 0.8fr 0.7fr 0.6fr 0.7fr;
                font-size: 11px;
                padding: 8px 4px;
                gap: 2px;
            }
            .data-table-header {
                font-size: 11px;
                padding: 10px 4px;
            }
            .stat-big-number {
                font-size: 30px;
            }
            .category-hero {
                min-height: 260px;
            }
        }
        /* 汉堡菜单 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .nav-header .lg\:flex {
                display: none;
            }
            .nav-header .hidden.lg\:flex {
                display: none !important;
            }
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 360px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 2000;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 20px;
            overflow-y: auto;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }
        .mobile-drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer .nav-link {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 16px;
        }
        .mobile-drawer .nav-search-input {
            width: 100%;
            margin-bottom: 16px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* 汉堡菜单 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 2000;
            padding: 24px;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            border-left: 1px solid rgba(124, 255, 91, 0.1);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
        }

        .mobile-drawer-overlay.open {
            display: block;
        }

        /* Hero */
        .hero-section {
            min-height: 420px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.9) 0%, rgba(13, 31, 26, 0.75) 50%, rgba(13, 31, 26, 0.85) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #8A9B94;
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: #5A6B64;
        }

        .breadcrumb .current {
            color: var(--color-accent);
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline-dark:hover {
            background: rgba(13, 31, 26, 0.06);
            transform: translateY(-2px);
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

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

        .card-dark {
            background: var(--color-primary-light);
            border-radius: 16px;
            box-shadow: var(--shadow-dark-card);
            border: 1px solid rgba(124, 255, 91, 0.12);
            color: #c5cfca;
            padding: 24px;
            transition: all var(--transition-smooth);
        }

        .card-dark:hover {
            border-color: rgba(124, 255, 91, 0.3);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            transform: translateY(-4px);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            border-radius: var(--radius-tag);
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--color-border-light);
            background: var(--color-card);
            color: var(--color-text-sub);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: rgba(124, 255, 91, 0.06);
        }

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

        .tag-dark {
            display: inline-block;
            border-radius: var(--radius-tag);
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #c5cfca;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .tag-dark:hover {
            border-color: var(--color-accent);
            color: #fff;
            background: rgba(124, 255, 91, 0.1);
        }

        .badge-accent {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* 拼团卡片 */
        .group-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(124, 255, 91, 0.25);
            border-radius: 16px;
            padding: 28px;
            backdrop-filter: blur(8px);
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .group-card:hover {
            border-color: rgba(124, 255, 91, 0.5);
            box-shadow: 0 0 32px rgba(124, 255, 91, 0.1);
        }

        .group-progress-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
            overflow: hidden;
            margin: 12px 0;
        }

        .group-progress-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 3px;
            transition: width var(--transition-smooth);
        }

        /* 球队大卡 */
        .team-card-large {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .team-card-large .card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .team-card-large .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.9), transparent);
        }

        .team-card-standard {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            padding: 20px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
            height: 100%;
        }

        .team-card-standard:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(124, 255, 91, 0.3);
        }

        .team-card-standard .card-thumb {
            width: 100%;
            height: 120px;
            background-size: cover;
            background-position: center;
            border-radius: 8px;
        }

        /* FAQ手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            font-family: var(--font-title);
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-smooth);
            color: var(--color-text-sub);
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-item.active .faq-question {
            color: var(--color-primary);
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 18px 0;
        }

        .faq-item.active {
            background: rgba(124, 255, 91, 0.04);
        }

        /* Section */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            padding: 72px 0;
            background: var(--color-primary);
            color: #c5cfca;
        }

        .section-alt {
            padding: 72px 0;
            background: #fff;
        }

        /* 分割线 */
        .divider-accent {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 16px 0;
        }

        /* 隐藏卡片 */
        .hidden-cards {
            display: none;
        }

        .hidden-cards.visible {
            display: grid;
        }

        /* 页脚 */
        .footer-section {
            background: #0D1F1A;
            color: #c5cfca;
            padding: 48px 0 24px;
        }

        .footer-section a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: #7CFF5B;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-dark {
                padding: 48px 0;
            }
            .section-alt {
                padding: 48px 0;
            }
            .hero-section {
                min-height: 360px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-dark {
                padding: 40px 0;
            }
            .section-alt {
                padding: 40px 0;
            }
            .hero-section {
                min-height: auto;
                padding: 80px 0 60px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .desktop-nav-links {
                display: none !important;
            }
            .nav-header .hidden.lg\\:flex {
                display: none !important;
            }
            .btn-primary,
            .btn-outline,
            .btn-outline-dark {
                padding: 12px 24px;
                font-size: 15px;
            }
            .team-card-large .card-img {
                height: 160px;
            }
            .team-card-standard .card-thumb {
                height: 100px;
            }
            .group-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .btn-primary,
            .btn-outline,
            .btn-outline-dark {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                text-align: center;
            }
            .hero-section {
                padding: 60px 0 40px;
            }
            .section {
                padding: 32px 0;
            }
            .section-dark {
                padding: 32px 0;
            }
            .section-alt {
                padding: 32px 0;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --color-bg-light-gray: #f3f2ee;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --shadow-qa-card: 0 2px 10px rgba(13, 31, 26, 0.05);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--color-primary);
            padding: 16px;
            border-top: 1px solid rgba(124, 255, 91, 0.1);
            z-index: 999;
            gap: 8px;
        }

        @media (max-width: 768px) {
            .desktop-nav-links {
                display: none !important;
            }
            .nav-header .container-custom {
                flex-wrap: wrap;
            }
            .mobile-menu-toggle {
                display: flex !important;
            }
            .nav-search-mobile {
                display: flex !important;
            }
            .nav-search-desktop {
                display: none !important;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu-toggle {
                display: none !important;
            }
            .nav-search-mobile {
                display: none !important;
            }
            .nav-search-desktop {
                display: flex !important;
            }
        }

        /* Hero */
        .hero-section {
            min-height: 380px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.9) 0%, rgba(13, 31, 26, 0.75) 50%, rgba(13, 31, 26, 0.85) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* 问答卡片 */
        .qa-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-qa-card);
            padding: 20px 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            margin-bottom: 16px;
        }

        .qa-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(124, 255, 91, 0.2);
        }

        .qa-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease;
            background: #f9faf8;
            border-radius: 10px;
            margin-top: 0;
            padding: 0 16px;
        }

        .qa-answer.expanded {
            max-height: 300px;
            padding: 14px 16px;
            margin-top: 12px;
        }

        .qa-expand-btn {
            color: var(--color-accent);
            background: rgba(124, 255, 91, 0.08);
            border: 1px solid rgba(124, 255, 91, 0.3);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .qa-expand-btn:hover {
            background: rgba(124, 255, 91, 0.16);
            border-color: var(--color-accent);
        }

        .qa-expand-btn .arrow-icon {
            transition: transform var(--transition-smooth);
            display: inline-block;
        }

        .qa-expand-btn.expanded .arrow-icon {
            transform: rotate(180deg);
        }

        /* 标签 */
        .tag-pill {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: #f0f4f0;
            color: var(--color-text-sub);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .tag-pill:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: rgba(124, 255, 91, 0.06);
        }

        .tag-pill.active-tag {
            background: rgba(124, 255, 91, 0.15);
            border-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* 头像占位 */
        .avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e0e8e3 0%, #c5d5cb 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-text-sub);
            font-size: 16px;
            flex-shrink: 0;
        }

        .avatar-placeholder.sm {
            width: 32px;
            height: 32px;
            font-size: 13px;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: var(--color-accent);
        }

        /* 右侧栏 */
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            position: sticky;
            top: 100px;
        }

        .sidebar-topic-tag {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: #f7f8f5;
            color: var(--color-text);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            margin: 4px;
        }

        .sidebar-topic-tag:hover {
            border-color: var(--color-accent);
            background: rgba(124, 255, 91, 0.06);
            color: var(--color-primary);
        }

        /* 统计数字 */
        .stat-number {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }

        /* 页脚 */
        .site-footer {
            background: #0D1F1A;
            color: #c5cfca;
            padding: 48px 0 24px;
        }

        .site-footer a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: #7CFF5B;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 300px;
            }
            .qa-card {
                padding: 16px;
            }
            .sidebar-card {
                position: static;
                margin-top: 24px;
            }
            .stat-number {
                font-size: 24px;
            }
            .qa-layout {
                flex-direction: column;
            }
            .qa-main-col {
                width: 100% !important;
            }
            .qa-sidebar-col {
                width: 100% !important;
            }
        }

        /* 发起提问按钮脉冲 */
        @keyframes subtle-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(124, 255, 91, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(124, 255, 91, 0);
            }
        }
        .pulse-ring {
            animation: subtle-pulse 2.5s ease-in-out infinite;
        }

/* roulang page: category5 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --color-dark-bg: #080F0D;
            --color-dark-card: #111D18;
            --color-dark-card-hover: #16241E;
            --color-dark-border: rgba(124, 255, 91, 0.1);
            --color-dark-text: #c5cfca;
            --color-dark-text-sub: #8A9B94;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .desktop-nav-links {
                display: none;
            }
            .nav-header .container-custom>.flex>.hidden.lg\\:flex {
                display: none;
            }
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 2000;
            padding: 24px;
            overflow-y: auto;
            border-left: 1px solid rgba(124, 255, 91, 0.12);
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1999;
        }

        .drawer-overlay.open {
            display: block;
        }

        @media (max-width: 768px) {
            .mobile-drawer {
                display: block;
            }
            .drawer-overlay {
                display: none;
            }
            .drawer-overlay.open {
                display: block;
            }
        }

        .mobile-nav-link {
            display: block;
            color: #c5cfca;
            font-size: 16px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition-fast);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--color-accent);
        }

        /* Hero 分类横幅 */
        .category-hero {
            height: 400px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 15, 13, 0.9) 0%, rgba(13, 31, 26, 0.78) 50%, rgba(8, 15, 13, 0.88) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #8A9B94;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: #4A5B54;
        }

        .breadcrumb .current {
            color: var(--color-accent);
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline-dark:hover {
            background: rgba(124, 255, 91, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline-dark:active {
            transform: translateY(0);
        }

        /* 视频播放占位卡 */
        .video-player-placeholder {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 7;
            background-size: cover;
            background-position: center;
            border-radius: 16px;
            overflow: hidden;
            cursor: pointer;
            border: 1px solid var(--color-dark-border);
            transition: all var(--transition-smooth);
        }

        .video-player-placeholder:hover {
            border-color: rgba(124, 255, 91, 0.3);
        }

        .video-player-placeholder .video-overlay {
            position: absolute;
            inset: 0;
            background: rgba(8, 15, 13, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-smooth);
        }

        .video-player-placeholder:hover .video-overlay {
            background: rgba(8, 15, 13, 0.4);
        }

        .play-btn-circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(124, 255, 91, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 40px rgba(124, 255, 91, 0.35);
        }

        .video-player-placeholder:hover .play-btn-circle {
            width: 88px;
            height: 88px;
            background: rgba(124, 255, 91, 0.95);
            box-shadow: 0 0 56px rgba(124, 255, 91, 0.5);
            transform: scale(1.04);
        }

        .play-btn-triangle {
            width: 0;
            height: 0;
            border-left: 22px solid var(--color-primary);
            border-top: 14px solid transparent;
            border-bottom: 14px solid transparent;
            margin-left: 4px;
        }

        .video-info-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 24px;
            background: linear-gradient(transparent, rgba(8, 15, 13, 0.9));
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .video-info-bar .video-title {
            color: #fff;
            font-weight: 600;
            font-size: 17px;
            letter-spacing: 0.3px;
        }

        .video-info-bar .video-duration {
            color: var(--color-accent);
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.5);
            padding: 4px 10px;
            border-radius: 4px;
            flex-shrink: 0;
        }

        /* 资源小卡 */
        .resource-card {
            background: var(--color-dark-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-dark-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .resource-card:hover {
            background: var(--color-dark-card-hover);
            border-color: rgba(124, 255, 91, 0.25);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
        }

        .resource-card .card-thumb {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .resource-card .card-thumb .duration-badge {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            font-family: var(--font-num);
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
            letter-spacing: 0.2px;
        }

        .resource-card .card-thumb .category-tag {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(124, 255, 91, 0.85);
            color: var(--color-primary);
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .resource-card .card-body {
            padding: 14px 16px;
        }

        .resource-card .card-body .card-title {
            color: #e0e5e2;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .resource-card .card-body .card-meta {
            color: #8A9B94;
            font-size: 12px;
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 深色区卡片 */
        .card-dark {
            background: var(--color-dark-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-dark-border);
            padding: 24px;
            transition: all var(--transition-smooth);
        }

        .card-dark:hover {
            border-color: rgba(124, 255, 91, 0.2);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        /* FAQ 手风琴 */
        .faq-item {
            border: 1px solid var(--color-dark-border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-dark-card);
            transition: all var(--transition-smooth);
        }

        .faq-item.active {
            border-color: rgba(124, 255, 91, 0.25);
            background: rgba(124, 255, 91, 0.03);
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            color: #e0e5e2;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: #fff;
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-smooth);
            color: #8A9B94;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            color: #8A9B94;
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Section */
        .section {
            padding: 72px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .category-hero {
                height: 320px;
            }
            .play-btn-circle {
                width: 56px;
                height: 56px;
            }
            .play-btn-triangle {
                border-left-width: 16px;
                border-top-width: 10px;
                border-bottom-width: 10px;
                margin-left: 3px;
            }
            .video-player-placeholder:hover .play-btn-circle {
                width: 62px;
                height: 62px;
            }
            .video-info-bar {
                padding: 12px 16px;
            }
            .video-info-bar .video-title {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                height: 280px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
        }

        /* 装饰网格线 */
        .grid-pattern-bg {
            background-image:
                linear-gradient(rgba(124, 255, 91, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(124, 255, 91, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        /* 页脚 */
        .site-footer {
            background: #0D1F1A;
            color: #c5cfca;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(124, 255, 91, 0.08);
        }

        .site-footer a {
            color: #8A9B94;
            transition: color var(--transition-fast);
        }

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

        .footer-heading {
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 12px;
        }

        /* 精选合集区 */
        .collection-strip {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: rgba(124, 255, 91, 0.3) transparent;
        }

        .collection-strip::-webkit-scrollbar {
            height: 4px;
        }

        .collection-strip::-webkit-scrollbar-track {
            background: transparent;
        }

        .collection-strip::-webkit-scrollbar-thumb {
            background: rgba(124, 255, 91, 0.3);
            border-radius: 4px;
        }

        .collection-chip {
            flex-shrink: 0;
            padding: 10px 20px;
            border-radius: 20px;
            border: 1px solid var(--color-dark-border);
            background: var(--color-dark-card);
            color: #c5cfca;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .collection-chip:hover,
        .collection-chip.active {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(124, 255, 91, 0.06);
        }

        /* 斜切分割 */
        .diagonal-divider {
            position: relative;
            height: 48px;
            background: var(--color-dark-bg);
        }

        .diagonal-divider::before {
            content: '';
            position: absolute;
            top: -48px;
            left: 0;
            right: 0;
            height: 48px;
            background: var(--color-dark-bg);
            clip-path: polygon(0 0, 100% 48px, 100% 100%, 0 100%);
        }

/* roulang page: category2 */
:root {
            --color-primary: #0D1F1A;
            --color-accent: #7CFF5B;
            --color-bg: #F7F6F1;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-sub: #505A55;
            --color-accent-hover: #6BE849;
            --color-primary-light: #152E26;
            --color-border-light: rgba(13, 31, 26, 0.08);
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto Condensed', sans-serif;
            --shadow-card: 0 4px 16px rgba(13, 31, 26, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(13, 31, 26, 0.12);
            --shadow-dark-card: 0 8px 24px rgba(0, 0, 0, 0.2);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --radius-search: 14px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航样式 */
        .nav-header {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(124, 255, 91, 0.08);
        }

        .nav-search-input {
            border-radius: 14px;
            height: 44px;
            padding: 0 48px 0 44px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            transition: all var(--transition-smooth);
            width: 100%;
            outline: none;
        }

        .nav-search-input::placeholder {
            color: #8A9B94;
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(124, 255, 91, 0.25), 0 0 18px rgba(124, 255, 91, 0.1);
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link {
            color: #c5cfca;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        /* 汉堡菜单 */
        .mobile-menu-toggle {
            background: none;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-primary);
            z-index: 2000;
            padding: 20px;
            flex-direction: column;
            gap: 16px;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1999;
        }

        .mobile-drawer-overlay.open {
            display: block;
        }

        .mobile-drawer .nav-link {
            font-size: 16px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: block;
        }

        .mobile-drawer .nav-search-input {
            margin-top: 8px;
            width: 100%;
        }

        .mobile-drawer-close {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            align-self: flex-end;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 255, 91, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-outline-dark:hover {
            background: rgba(13, 31, 26, 0.05);
            transform: translateY(-2px);
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

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

        /* 分类Hero */
        .category-hero {
            min-height: 380px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 26, 0.9) 0%, rgba(13, 31, 26, 0.7) 50%, rgba(13, 31, 26, 0.85) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        /* 会员对比卡 */
        .membership-card {
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .membership-card.standard {
            background: var(--color-card);
            border: 2px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }

        .membership-card.premium {
            background: var(--color-primary);
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-dark-card);
            transform: translateY(-20px);
            z-index: 3;
        }

        .membership-card.ultimate {
            background: var(--color-card);
            border: 2px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }

        .membership-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .membership-card.premium:hover {
            transform: translateY(-24px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }

        .premium-badge {
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            z-index: 4;
        }

        /* 权益展开行 */
        .benefit-row {
            background: var(--color-card);
            border-radius: 12px;
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

        .benefit-row:hover {
            border-color: rgba(124, 255, 91, 0.35);
            box-shadow: 0 2px 10px rgba(13, 31, 26, 0.04);
        }

        .benefit-row-header {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-text);
        }

        .benefit-row-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        .benefit-row.open .benefit-row-body {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .benefit-row-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }

        .benefit-row.open .benefit-row-icon {
            transform: rotate(180deg);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
        }

        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-fast);
            color: var(--color-text);
        }

        .faq-question:hover {
            background: rgba(124, 255, 91, 0.04);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }

        .faq-item.open .faq-question {
            background: rgba(124, 255, 91, 0.06);
        }

        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        /* 底部固定转化条 */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(13, 31, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 24px;
            border-top: 1px solid rgba(124, 255, 91, 0.15);
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .fixed-bottom-bar.visible {
            transform: translateY(0);
        }

        .fixed-bottom-bar .cta-text {
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .fixed-bottom-bar {
                height: 56px;
                gap: 10px;
                padding: 0 12px;
            }
            .fixed-bottom-bar .cta-text {
                font-size: 13px;
            }
            .fixed-bottom-bar .btn-primary {
                padding: 10px 20px;
                font-size: 14px;
            }
            .membership-card.premium {
                transform: translateY(0);
            }
            .membership-card.premium:hover {
                transform: translateY(-4px);
            }
            .premium-badge {
                top: -12px;
                font-size: 11px;
                padding: 4px 14px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 300px;
            }
            .nav-search-input {
                font-size: 13px;
                height: 40px;
            }
        }

        /* 装饰分割线 */
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 24px;
        }

        .section-divider-left {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* 数据数字 */
        .stat-number {
            font-family: var(--font-num);
            font-size: 48px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 32px;
            }
        }