/* roulang page: index */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 20px 40px rgba(0,0,0,0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 640px) {
            .container { padding: 0 2rem; }
        }
        @media (min-width: 1024px) {
            .container { padding: 0 2.5rem; }
        }

        /* 排版 */
        h1, h2, h3, h4, h5, h6 {
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .display-1 {
            font-size: 2.5rem;
            font-weight: 900;
            letter-spacing: -0.02em;
        }
        .display-2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
        }
        .heading-3 {
            font-size: 1.5rem;
            font-weight: 700;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-highlight {
            color: var(--highlight);
        }

        /* 导航 */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.3s ease;
        }
        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .navbar-logo span {
            color: var(--accent);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: #fff;
        }
        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18,18,18,0.05);
        }

        /* 分段标签导航 */
        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255,255,255,0.15);
            background-color: transparent;
            color: rgba(255,255,255,0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255,255,255,0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* 卡片 */
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .bento-grid {
                grid-template-columns: 2fr 1fr;
                gap: 1.5rem;
            }
        }

        /* 统计数字 */
        .stat-value {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 时间线 */
        .timeline-item {
            position: relative;
            padding-left: 1.5rem;
            border-left: 2px solid var(--border-color);
            margin-left: 0.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -0.5rem;
            top: 0.5rem;
            width: 0.75rem;
            height: 0.75rem;
            background-color: var(--accent);
            border-radius: 999px;
            border: 2px solid #fff;
            box-shadow: 0 0 0 1px var(--border-color);
        }

        /* 横向滚动 */
        .horizontal-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
        }
        .horizontal-scroll .card {
            min-width: 280px;
            scroll-snap-align: start;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 0;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.125rem;
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: var(--highlight);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 0;
            color: var(--text-muted);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 1.5rem 0;
        }
        .faq-icon {
            transition: transform 0.3s;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-btn);
            border: 1px solid #D8D8D0;
            background-color: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
            min-height: 44px;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.2);
        }

        /* 页脚 */
        .footer {
            background-color: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 1.5rem;
        }
        .footer a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.125rem;
            margin-bottom: 1rem;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            font-size: 0.875rem;
            text-align: center;
        }

        /* 辅助类 */
        .bg-dark-section {
            background-color: var(--primary);
            color: #fff;
        }
        .bg-dark-section .text-muted {
            color: rgba(255,255,255,0.6);
        }
        .text-gradient {
            background: linear-gradient(135deg, #C6FF00 0%, #FF4D0A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-chip);
            font-size: 0.75rem;
            font-weight: 700;
            background-color: rgba(0,0,0,0.05);
            color: var(--text-primary);
        }
        .badge-accent {
            background-color: rgba(198, 255, 0, 0.15);
            color: #1a1a1a;
        }
        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.1);
            color: var(--highlight);
        }

        /* 确保图片区域自适应 */
        .aspect-video {
            aspect-ratio: 16 / 9;
        }
        .aspect-4-3 {
            aspect-ratio: 4 / 3;
        }

        /* 移动端导航抽屉 */
        .mobile-menu {
            display: none;
        }
        @media (max-width: 768px) {
            .desktop-menu {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            min-height: 44px;
            min-width: 44px;
        }
        @media (min-width: 769px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 20px 40px rgba(0,0,0,0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
            --font-stack: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 640px) {
            .container { padding: 0 2rem; }
        }
        @media (min-width: 1024px) {
            .container { padding: 0 2.5rem; }
        }

        .text-muted { color: var(--text-muted); }
        .text-accent { color: var(--accent); }
        .text-highlight { color: var(--highlight); }

        .heading-1 {
            font-size: clamp(2.5rem, 5vw, 3.75rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .heading-2 {
            font-size: clamp(1.75rem, 3.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .heading-3 {
            font-size: 1.5rem;
            font-weight: 700;
        }
        .heading-4 {
            font-size: 1.125rem;
            font-weight: 600;
        }

        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.3s ease;
        }
        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            transition: opacity 0.2s;
        }
        .navbar-logo:hover { opacity: 0.85; }
        .navbar-logo span { color: var(--accent); }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: #fff;
        }
        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18,18,18,0.05);
        }

        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar { display: none; }

        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255,255,255,0.15);
            background-color: transparent;
            color: rgba(255,255,255,0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255,255,255,0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 8px;
            color: #fff;
            font-size: 1.25rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        .mobile-menu-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }

        @media (max-width: 768px) {
            .desktop-menu { display: none !important; }
            .mobile-menu-toggle { display: inline-flex; }
        }
        @media (min-width: 769px) {
            .mobile-menu-toggle { display: none !important; }
            .mobile-menu { display: none !important; }
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(198, 255, 0, 0.1);
            color: #333;
            border: 1px solid rgba(198, 255, 0, 0.3);
        }
        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.1);
            border-color: rgba(255, 77, 10, 0.3);
            color: #B23A00;
        }

        .hero-news {
            position: relative;
            min-height: 60vh;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 6rem 0 4rem;
            overflow: hidden;
        }
        .hero-news::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(18, 18, 18, 0.55);
            background: linear-gradient(180deg, rgba(18,18,18,0.25) 0%, rgba(18,18,18,0.75) 100%);
            z-index: 1;
        }
        .hero-news-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .separator { color: #C0C0B8; }

        .filter-chip {
            flex-shrink: 0;
            padding: 0.45rem 1.25rem;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            background-color: #fff;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            cursor: pointer;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            text-decoration: none;
        }
        .filter-chip:hover {
            border-color: var(--accent);
            background-color: rgba(198, 255, 0, 0.05);
        }
        .filter-chip.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .news-list-item {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: stretch;
            padding: 1.5rem;
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            text-decoration: none;
            color: var(--text-primary);
        }
        .news-list-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .news-list-item .news-img {
            flex: 0 0 180px;
            border-radius: 8px;
            overflow: hidden;
            height: 120px;
        }
        .news-list-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .news-body {
            flex: 1 1 250px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .section-pad {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 768px) {
            .section-pad { padding-top: 5rem; padding-bottom: 5rem; }
        }

        .divider-light {
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }

        .footer {
            background-color: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 3.5rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .footer .navbar-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 0.875rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li { margin-bottom: 0.6rem; }
        .footer ul li a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: all 0.2s;
            font-size: 0.875rem;
        }
        .footer ul li a:hover { color: var(--accent); }
        .footer .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
            text-align: center;
        }
        .footer .copyright p { margin-bottom: 0.35rem; }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1rem 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: color 0.2s;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0.5rem 0;
        }
        .faq-question:hover { color: var(--highlight); }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform 0.3s;
            font-size: 1.25rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); color: var(--highlight); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.925rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.5rem;
        }

        .stat-card {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 1.5rem;
            text-align: center;
            transition: all 0.25s;
        }
        .stat-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .stat-number {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--highlight);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-top: 0.35rem;
        }

        .cta-band {
            background-color: var(--primary);
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(198, 255, 0, 0.08);
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -70px;
            left: -30px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(198, 255, 0, 0.05);
            pointer-events: none;
        }

        input[type="text"], input[type="email"], textarea, select {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid #D8D8D0;
            background: #fff;
            font-size: 0.925rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            font-family: var(--font-stack);
            color: var(--text-primary);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.2);
        }

        .text-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .text-link:hover { color: var(--highlight); }
        .text-link i { transition: transform 0.2s; }
        .text-link:hover i { transform: translateX(3px); }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a { color: inherit; }
        button { font-family: var(--font-stack); }

/* roulang page: category3 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 20px 40px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }
        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .navbar-logo span {
            color: var(--accent);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18, 18, 18, 0.05);
        }
        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background-color: transparent;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(198, 255, 0, 0.12);
            color: #3d4d00;
            white-space: nowrap;
        }
        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.12);
            color: #b33400;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--card-bg);
            transition: all 0.25s;
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(198, 255, 0, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.25rem;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            line-height: 1.6;
            gap: 1rem;
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: #3d4d00;
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: 12px;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(198, 255, 0, 0.15);
            transition: transform 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--accent);
        }
        .footer {
            background-color: var(--primary);
            color: #9ca3af;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .footer a {
            color: #9ca3af;
            transition: color 0.2s;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #6b7280;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 767px) {
            .desktop-menu {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .navbar-inner {
                padding: 0.5rem 1rem;
                min-height: 56px;
            }
            .navbar-logo {
                font-size: 1.25rem;
            }
        }
        @media (min-width: 768px) {
            .mobile-menu {
                display: none !important;
            }
        }
        .hero-training {
            position: relative;
            min-height: 420px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            color: #fff;
        }
        .hero-training::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(18, 18, 18, 0.55) 50%, rgba(18, 18, 18, 0.75) 100%);
        }
        .hero-training .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .step-card {
            display: flex;
            gap: 1rem;
            padding: 1.5rem;
            border-radius: var(--radius-card);
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: var(--primary);
            color: var(--accent);
            font-weight: 900;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .section-title {
            font-size: 1.875rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 720px;
        }
        .prose-training {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: #374151;
        }
        .prose-training h2 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        .prose-training h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .prose-training p {
            margin-bottom: 1.25rem;
        }
        .prose-training ul {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
            list-style-type: disc;
        }
        .prose-training li {
            margin-bottom: 0.5rem;
        }
        .highlight-accent {
            color: #3d4d00;
            font-weight: 700;
        }
        .data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .data-item {
            flex: 1 1 150px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 1rem 1.25rem;
            text-align: center;
            color: #fff;
        }
        .data-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .data-label {
            font-size: 0.875rem;
            color: #9ca3af;
            margin-top: 0.25rem;
        }
        .dark-section {
            background-color: var(--primary);
            color: #fff;
            padding: 4rem 0;
        }
        .dark-section .section-title {
            color: #fff;
        }
        .dark-section .section-subtitle {
            color: #9ca3af;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 1.5rem;
            }
            .step-card {
                flex-direction: column;
            }
            .hero-training {
                min-height: 320px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 20px 40px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .heading-3 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.35;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-highlight {
            color: var(--highlight);
        }
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }
        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .navbar-logo span {
            color: var(--accent);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .btn-outline-light:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18, 18, 18, 0.05);
        }
        .btn-outline-dark:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background-color: transparent;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        .stat-number {
            font-size: 2.25rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--primary);
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-chip);
            font-size: 0.75rem;
            font-weight: 700;
            background-color: rgba(18, 18, 18, 0.05);
            color: var(--text-primary);
            white-space: nowrap;
        }
        .badge-accent {
            background-color: rgba(198, 255, 0, 0.15);
            color: #4d6600;
        }
        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.12);
            color: var(--highlight);
        }
        .badge-dark {
            background-color: var(--primary);
            color: #fff;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .section {
            padding: 3.5rem 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .hero-section {
            background-image: linear-gradient(rgba(18, 18, 18, 0.78), rgba(18, 18, 18, 0.82)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 4rem 0 3.5rem;
            position: relative;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(198, 255, 0, 0.05));
            pointer-events: none;
        }
        .ranking-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            box-shadow: var(--shadow-sm);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.875rem;
            min-width: 640px;
        }
        .ranking-table thead th {
            background-color: var(--primary);
            color: #fff;
            font-weight: 700;
            text-align: left;
            padding: 0.75rem 1rem;
            font-size: 0.8125rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .ranking-table tbody td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            vertical-align: middle;
        }
        .ranking-table tbody tr:last-child td {
            border-bottom: none;
        }
        .ranking-table tbody tr:hover {
            background-color: rgba(198, 255, 0, 0.06);
        }
        .rank-pos {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 0.8125rem;
            background-color: rgba(18, 18, 18, 0.06);
            color: var(--text-primary);
        }
        .rank-pos.top1 {
            background-color: var(--highlight);
            color: #fff;
        }
        .rank-pos.top2 {
            background-color: var(--primary);
            color: var(--accent);
        }
        .rank-pos.top3 {
            background-color: rgba(198, 255, 0, 0.7);
            color: #000;
        }
        .data-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent);
            margin-right: 0.375rem;
        }
        .data-dot.orange {
            background-color: var(--highlight);
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: var(--card-bg);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all 0.2s;
        }
        .faq-item:hover {
            border-color: rgba(198, 255, 0, 0.5);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: transparent;
            border: none;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            text-align: left;
            transition: color 0.2s;
            min-height: 44px;
        }
        .faq-question:hover {
            color: var(--highlight);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 12px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(18, 18, 18, 0.05);
            font-size: 0.875rem;
            transition: all 0.3s;
            color: var(--text-muted);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 1.25rem;
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: rgba(198, 255, 0, 0.3);
            color: #000;
        }
        .cta-section {
            background-color: var(--primary);
            background-image: linear-gradient(135deg, #121212 0%, #1e2024 60%, rgba(198, 255, 0, 0.06) 100%);
            color: #fff;
            padding: 3.5rem 0;
        }
        .footer {
            background-color: #0c0c0c;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.875rem;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 0.9375rem;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
            display: inline-block;
            padding: 0.25rem 0;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: #fff;
            padding: 0.5rem 0.75rem;
            cursor: pointer;
            font-size: 1.25rem;
            transition: all 0.2s;
            min-height: 44px;
        }
        .mobile-menu-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .mobile-menu {
            display: none;
        }
        @media (min-width: 640px) {
            .bento-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 2.75rem;
            }
        }
        @media (min-width: 768px) {
            .section {
                padding: 4.5rem 0;
            }
            .section-title {
                font-size: 2rem;
            }
            .bento-grid {
                grid-template-columns: 2fr 1fr;
                gap: 1.5rem;
            }
            .bento-grid.bento-3 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
            .container-wide {
                padding: 0 2.5rem;
            }
            .bento-grid {
                gap: 1.75rem;
            }
            .hero-section {
                padding: 5rem 0 4.5rem;
            }
            .stat-number {
                font-size: 3rem;
            }
        }
        @media (max-width: 767px) {
            .desktop-menu {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu {
                display: block;
                background-color: rgba(18, 18, 18, 0.98);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0.75rem 1rem 1rem;
            }
            .mobile-menu .segmented-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .mobile-menu .nav-chip {
                justify-content: flex-start;
            }
            .navbar-inner {
                padding: 0.5rem 1rem;
                min-height: 56px;
            }
            .navbar-logo {
                font-size: 1.25rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .btn {
                padding: 0.5rem 1.1rem;
                font-size: 0.8125rem;
            }
            .hero-section {
                padding: 2.5rem 0 2rem;
            }
            .bento-grid {
                gap: 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 1rem;
            }
            .btn {
                padding: 0.5rem 0.9rem;
                font-size: 0.75rem;
                gap: 0.3rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .faq-question {
                padding: 0.875rem 1rem;
                font-size: 0.9375rem;
            }
            .faq-answer {
                padding: 0 1rem;
                font-size: 0.875rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1rem 1rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 20px 40px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

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

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }

        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }

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

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background-color: rgba(18, 18, 18, 0.05);
        }

        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }

        .segmented-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background-color: transparent;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.25rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 8px;
            transition: background-color 0.2s;
        }

        .mobile-menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu {
            display: none;
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(198, 255, 0, 0.12);
            color: #333;
            line-height: 1.6;
        }

        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.12);
            color: #c43808;
        }

        .badge-dark {
            background-color: #1A1A1A;
            color: var(--accent);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin: 0 0 0.75rem;
        }

        .section-subheading {
            font-size: 1.125rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

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

        .text-highlight {
            color: var(--highlight);
        }

        .text-muted {
            color: var(--text-muted);
        }

        .hero-profile {
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(24, 26, 29, 0.82) 50%, rgba(18, 18, 18, 0.9) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-profile::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(198, 255, 0, 0.06));
            pointer-events: none;
        }

        .player-card-large {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 1.5rem;
            padding: 1.5rem;
            align-items: start;
        }

        .player-card-large .player-avatar {
            width: 180px;
            height: 180px;
            border-radius: 16px;
            object-fit: cover;
            border: 3px solid var(--accent);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .data-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .data-tag {
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(198, 255, 0, 0.15);
            color: #222;
            border: 1px solid rgba(198, 255, 0, 0.4);
            white-space: nowrap;
        }

        .timeline-horizontal {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            gap: 1rem;
            padding-bottom: 0.75rem;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
        }

        .timeline-horizontal::-webkit-scrollbar {
            height: 6px;
        }

        .timeline-horizontal::-webkit-scrollbar-thumb {
            background-color: #ccc;
            border-radius: 999px;
        }

        .timeline-node {
            flex-shrink: 0;
            min-width: 160px;
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 1rem;
            text-align: center;
            transition: all 0.2s;
            cursor: default;
        }

        .timeline-node:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .timeline-node .year {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.05em;
        }

        .timeline-node .event {
            font-size: 0.875rem;
            font-weight: 600;
            margin-top: 0.25rem;
        }

        .player-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 1rem;
        }

        .player-mini-card {
            background: var(--card-bg);
            border-radius: 14px;
            border: 1px solid var(--border-color);
            padding: 1rem;
            transition: all 0.2s;
            cursor: default;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .player-mini-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .player-mini-card img {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--accent);
            flex-shrink: 0;
        }

        .player-mini-card .info {
            flex: 1;
            min-width: 0;
        }

        .player-mini-card .name {
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .player-mini-card .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 1rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .breadcrumb .separator {
            color: #ccc;
        }

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

        .footer {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-top: 4px solid var(--accent);
        }

        .footer a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }

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

        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            text-align: center;
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color 0.2s;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0.25rem 0;
            color: var(--text-primary);
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform 0.3s ease;
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

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

        .cta-box {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(198, 255, 0, 0.08), transparent);
            pointer-events: none;
        }

        .section-pad {
            padding: 3.5rem 0;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 1.5rem;
            }
            .section-heading {
                font-size: 1.75rem;
            }
            .player-card-large {
                grid-template-columns: 1fr;
            }
            .player-card-large .player-avatar {
                width: 120px;
                height: 120px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .navbar-inner {
                padding: 0.5rem 1rem;
            }
            .navbar-cta.desktop-menu {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .desktop-menu {
                display: none;
            }
            .mobile-menu.show {
                display: block;
            }
            .mobile-menu .segmented-nav {
                flex-direction: column;
                align-items: stretch;
                padding: 0.75rem 1rem;
            }
            .mobile-menu .nav-chip {
                justify-content: center;
                padding: 0.6rem 1rem;
            }
            .container {
                padding: 0 1rem;
            }
            .section-pad {
                padding: 2rem 0;
            }
            .section-heading {
                font-size: 1.5rem;
            }
            .hero-profile {
                min-height: 320px;
                border-radius: 12px;
            }
            .player-card-large {
                padding: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .footer {
                padding: 2rem 0 1.5rem;
                margin-top: 2.5rem;
            }
            .cta-box {
                padding: 2rem 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .player-grid {
                grid-template-columns: 1fr;
            }
            .player-mini-card img {
                width: 44px;
                height: 44px;
            }
            .section-heading {
                font-size: 1.35rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 20px 40px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 1.5rem;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18, 18, 18, 0.05);
        }

        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background-color: transparent;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-menu {
            display: none;
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .bento-grid {
                grid-template-columns: 2fr 1fr;
                gap: 1.5rem;
            }
        }

        .topic-chip {
            flex-shrink: 0;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-chip);
            border: 1px solid var(--border-color);
            background-color: #fff;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            text-decoration: none;
        }
        .topic-chip:hover {
            border-color: var(--accent);
            background-color: rgba(198, 255, 0, 0.08);
        }
        .topic-chip.active-topic {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .topic-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .post-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            border-bottom: 1px solid var(--border-color);
            transition: background-color 0.2s;
        }
        .post-item:last-child {
            border-bottom: none;
        }
        .post-item:hover {
            background-color: rgba(198, 255, 0, 0.04);
        }

        .hot-card {
            padding: 1.25rem;
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
            color: #fff;
            border-radius: var(--radius-card);
            transition: all 0.3s;
        }
        .hot-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
            transition: all 0.2s;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            padding: 1rem 1.25rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            font-family: inherit;
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-answer {
            padding: 0 1.25rem 1rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            transition: transform 0.3s;
            flex-shrink: 0;
            color: var(--highlight);
        }

        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid #D8D8D0;
            font-size: 0.9rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fff;
            color: var(--text-primary);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.15);
        }
        .form-input::placeholder {
            color: #9CA3AF;
        }

        .footer {
            background-color: var(--primary);
            color: #D1D5DB;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .footer a {
            color: #D1D5DB;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: #9CA3AF;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 1rem 0;
        }
        .breadcrumb a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--highlight);
        }

        .hero-community {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 2rem;
        }
        .hero-community::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(18, 18, 18, 0.6) 100%);
        }
        .hero-community-content {
            position: relative;
            z-index: 2;
            padding: 2.5rem;
            color: #fff;
        }

        .section-padding {
            padding: 3rem 0;
        }

        .community-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 1024px) {
            .community-grid {
                grid-template-columns: 2fr 1fr;
                gap: 2rem;
            }
        }

        .post-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .tag-mini {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: var(--radius-chip);
            background: rgba(198, 255, 0, 0.12);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 0.5rem;
        }
        .tag-mini.orange {
            background: rgba(255, 77, 10, 0.12);
            color: var(--highlight);
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .desktop-menu {
                display: none;
            }
            .mobile-menu {
                display: block;
            }
            .mobile-menu.open {
                display: block;
            }
            .hero-community {
                min-height: 320px;
            }
            .hero-community-content {
                padding: 1.5rem;
            }
            .container {
                padding: 0 1.25rem;
            }
            .navbar-inner {
                padding: 0.5rem 1rem;
            }
        }

        @media (max-width: 640px) {
            .hero-community-content h1 {
                font-size: 1.8rem !important;
            }
            .post-item {
                flex-direction: column;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 20px 40px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* 导航 */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 0;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background-color: #b8e600;
            border-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }

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

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

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

        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-dark:hover {
            background-color: rgba(18, 18, 18, 0.05);
            border-color: var(--primary);
        }

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

        /* 分段标签导航 */
        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.5rem;
        }

        .segmented-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background-color: transparent;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 0 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .breadcrumb .separator {
            color: #B0B0A0;
        }

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

        /* Hero 面包屑版 */
        .hero-subpage {
            position: relative;
            background-color: var(--primary);
            color: #fff;
            padding: 2rem 0 4rem;
            overflow: hidden;
        }

        .hero-subpage .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-subpage .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.75) 0%, rgba(18, 18, 18, 0.55) 60%, rgba(18, 18, 18, 0.85) 100%);
            z-index: 1;
        }

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

        .hero-subpage h1 {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 0 0 1rem;
        }

        .hero-subpage .hero-subtitle {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.7;
            margin: 0 0 1.5rem;
        }

        /* 卡片 */
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 1rem;
        }

        /* 评分卡 */
        .score-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .score-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-3px);
        }

        .score-card .score-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .score-card .score-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            background-color: rgba(198, 255, 0, 0.15);
            color: #3E4A00;
            font-weight: 800;
            font-size: 1.5rem;
            padding: 0.3rem 0.75rem;
            border-radius: 8px;
            letter-spacing: -0.02em;
        }

        .score-badge .score-max {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .score-dims {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }

        .score-dim {
            background-color: #F0F0E5;
            border-radius: 999px;
            padding: 0.25rem 0.75rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .score-stars {
            color: var(--highlight);
            font-size: 0.9rem;
            letter-spacing: 0.1em;
        }

        /* 对比表 */
        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            background-color: var(--card-bg);
        }

        .compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .compare-table thead th {
            background-color: var(--primary);
            color: #fff;
            font-weight: 700;
            padding: 1rem 1.25rem;
            text-align: left;
            white-space: nowrap;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            border-bottom: none;
        }

        .compare-table tbody td {
            padding: 0.9rem 1.25rem;
            border-bottom: 1px solid #EFEFE5;
            color: var(--text-primary);
            vertical-align: top;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background-color: #FAFAF5;
        }

        .compare-table .highlight-cell {
            font-weight: 700;
            color: var(--highlight);
        }

        .compare-table .price-cell {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
        }

        .table-badge {
            display: inline-block;
            background-color: rgba(198, 255, 0, 0.2);
            color: #2E3A00;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            margin-left: 0.35rem;
        }

        /* 详情按钮 */
        .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            transition: color 0.2s;
            text-decoration: none;
        }

        .btn-detail:hover {
            color: var(--highlight);
        }

        .btn-detail:focus-visible {
            outline: 2px solid var(--highlight);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--card-bg);
            transition: all 0.2s;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(198, 255, 0, 0.4);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: color 0.2s;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--highlight);
            outline-offset: -2px;
            border-radius: 12px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: #F0F0E5;
            font-size: 0.9rem;
            font-weight: 700;
            transition: all 0.25s;
            color: var(--text-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .faq-item.faq-open .faq-answer {
            max-height: 400px;
            padding-bottom: 1.25rem;
        }

        .faq-item.faq-open .faq-icon {
            background-color: var(--accent);
            color: #000;
            transform: rotate(45deg);
        }

        /* CTA 区域 */
        .cta-section {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
        }

        .cta-section .cta-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .cta-section .cta-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.9) 0%, rgba(18, 18, 18, 0.6) 100%);
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            padding: 3rem 2rem;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 850;
            margin: 0 0 1rem;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 0 1.5rem;
            line-height: 1.8;
        }

        /* Footer */
        .footer {
            background-color: var(--primary);
            color: #9CA3AF;
            padding: 3rem 0 2rem;
            margin-top: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer .navbar-logo {
            color: #fff;
        }

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

        .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer a {
            color: #9CA3AF;
            transition: color 0.2s;
            font-size: 0.875rem;
        }

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

        .footer .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #6B7280;
            text-align: center;
        }

        /* 响应式 */
        .mobile-menu {
            display: none;
        }

        .desktop-menu {
            display: block;
        }

        @media (max-width: 768px) {
            .desktop-menu {
                display: none;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.menu-open {
                display: block;
            }

            .mobile-menu-toggle {
                display: inline-flex;
            }

            .hero-subpage h1 {
                font-size: 2rem;
            }

            .navbar-inner {
                padding: 0.5rem 0;
            }

            .score-card .score-img {
                height: 160px;
            }

            .cta-section .cta-content {
                padding: 2rem 1.25rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu-toggle {
                display: none;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 640px) {
            .hero-subpage {
                padding: 1.5rem 0 2.5rem;
            }

            .hero-subpage h1 {
                font-size: 1.65rem;
            }

            .hero-subpage .hero-subtitle {
                font-size: 0.95rem;
            }

            .card-img {
                height: 160px;
            }

            .compare-table {
                min-width: 560px;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding: 3rem 0;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding: 4.5rem 0;
            }
        }

        /* 图文卡片 */
        .media-card {
            display: flex;
            flex-direction: column;
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .media-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.4);
            transform: translateY(-2px);
        }

        .media-card .media-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .media-card .media-body {
            padding: 1.5rem;
        }

        @media (min-width: 768px) {
            .media-card.media-horizontal {
                flex-direction: row;
            }

            .media-card.media-horizontal .media-img {
                width: 40%;
                height: auto;
                min-height: 240px;
            }

            .media-card.media-horizontal .media-body {
                flex: 1;
                padding: 2rem;
            }
        }

        /* 深色内容区 */
        .dark-section {
            background-color: var(--primary-soft);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 2.5rem;
            margin: 0;
        }

        .dark-section h2 {
            color: #fff;
            font-size: 1.75rem;
            font-weight: 800;
            margin: 0 0 1.25rem;
            letter-spacing: -0.01em;
        }

        .dark-section p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            font-size: 1rem;
            margin: 0 0 1.25rem;
        }

        .dark-section strong {
            color: var(--accent);
            font-weight: 700;
        }

        @media (max-width: 640px) {
            .dark-section {
                padding: 1.5rem 1.25rem;
            }
        }

        /* 场景标签 */
        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background-color: rgba(198, 255, 0, 0.15);
            color: #3E4A00;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            margin-bottom: 0.5rem;
        }

/* roulang page: category7 */
:root {
            --primary: #121212;
            --primary-soft: #181A1D;
            --accent: #C6FF00;
            --highlight: #FF4D0A;
            --bg: #F6F6F1;
            --card-bg: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-muted: #6B7280;
            --border-color: #E5E5DF;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 12px 32px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 20px 40px rgba(0,0,0,0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-chip: 999px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .container {
            padding: 0 2.5rem;
        }
        h1, h2, h3, h4, h5 {
            line-height: 1.3;
            margin: 0 0 0.75rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.25rem);
            font-weight: 800;
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            font-weight: 700;
        }
        p {
            margin: 0 0 1rem;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-highlight {
            color: var(--highlight);
        }
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.3s ease;
        }
        .navbar-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 64px;
            padding: 0.75rem 2rem;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .navbar-logo span {
            color: var(--accent);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.875rem;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #000;
        }
        .btn-primary:hover {
            background-color: #b8e600;
            box-shadow: 0 4px 12px rgba(198, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-light {
            background-color: transparent;
            border-color: rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: #fff;
        }
        .btn-outline-dark {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline-dark:hover {
            background-color: rgba(18,18,18,0.05);
        }
        .btn-outline-dark:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline-dark:active {
            background-color: rgba(18,18,18,0.1);
        }
        .segmented-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 0.25rem;
        }
        .segmented-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            flex-shrink: 0;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-chip);
            border: 1px solid rgba(255,255,255,0.15);
            background-color: transparent;
            color: rgba(255,255,255,0.75);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all 0.2s;
            text-decoration: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-chip:hover {
            border-color: var(--accent);
            color: #fff;
            background-color: rgba(255,255,255,0.05);
        }
        .nav-chip.active {
            background-color: var(--accent);
            color: #000;
            border-color: var(--accent);
        }
        .nav-chip:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .desktop-menu {
            display: block;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            min-height: 44px;
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(198, 255, 0, 0.5);
            transform: translateY(-2px);
        }
        .resource-download-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .resource-download-card .card-body {
            flex: 1;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
        }
        .resource-download-card .card-body .btn {
            margin-top: auto;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.5;
            background-color: #f0f0eb;
            color: #444;
        }
        .badge-accent {
            background-color: rgba(198, 255, 0, 0.15);
            color: #4a5b00;
        }
        .badge-highlight {
            background-color: rgba(255, 77, 10, 0.12);
            color: #b83200;
        }
        .badge-dark {
            background-color: var(--primary);
            color: #fff;
        }
        .resource-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.925rem;
        }
        .resource-table th,
        .resource-table td {
            padding: 0.875rem 1rem;
            border-bottom: 1px solid var(--border-color);
            text-align: left;
        }
        .resource-table th {
            background-color: #fafaf7;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .resource-table tbody tr:hover {
            background-color: #fafaf7;
        }
        .resource-table .btn {
            min-height: 36px;
            padding: 0.375rem 1rem;
            font-size: 0.8rem;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--card-bg);
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(198, 255, 0, 0.5);
        }
        .faq-question {
            padding: 1rem 1.25rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 700;
            font-size: 1rem;
            transition: color 0.2s;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
        }
        .faq-question:hover {
            color: #4a5b00;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform 0.25s ease;
            font-size: 0.875rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.25rem 1.25rem;
        }
        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.925rem;
            margin: 0;
        }
        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-btn);
            border: 1px solid #D8D8D0;
            background-color: #fff;
            font-size: 0.925rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            min-height: 44px;
            font-family: inherit;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.2);
        }
        .form-input::placeholder {
            color: #aaa;
        }
        .error-text {
            color: #D43D3D;
            font-size: 0.8rem;
            margin-top: 0.5rem;
        }
        .resource-card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .resource-card-image .overlay-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
        }
        .dark-section {
            background-color: var(--primary);
            color: #fff;
        }
        .dark-section h2,
        .dark-section h3 {
            color: #fff;
        }
        .dark-section .text-muted {
            color: rgba(255,255,255,0.65);
        }
        .footer {
            background-color: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 2rem;
            font-size: 0.875rem;
        }
        .footer a {
            color: rgba(255,255,255,0.75);
            transition: color 0.2s;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer-title {
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
        }
        .footer .navbar-logo {
            font-size: 1.35rem;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.12);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            color: rgba(255,255,255,0.5);
            font-size: 0.8rem;
        }
        .copyright p {
            margin: 0.25rem 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.7);
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.7);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: rgba(255,255,255,0.4);
        }
        .hero-resources {
            background-image: linear-gradient(rgba(0,0,0,0.72), rgba(0,0,0,0.72)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 4rem 0;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }
        .hero-resources h1 {
            color: #fff;
        }
        .hero-resources p {
            color: rgba(255,255,255,0.8);
        }
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }
        .resource-grid-cards {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }
        .tool-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.5rem;
            background-color: #fafaf7;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
        }
        .tool-feature-item:hover {
            background-color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .tool-feature-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: rgba(198, 255, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #4a5b00;
            font-size: 1.25rem;
        }
        .data-stat-block {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            padding: 1.5rem;
            background-color: #fafaf7;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .data-stat-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }
        .data-stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }
        @media (min-width: 640px) {
            .resource-grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .resource-grid-cards {
                grid-template-columns: repeat(3, 1fr);
            }
            .resource-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .desktop-menu {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: block;
            }
            .navbar-inner {
                padding: 0.5rem 1rem;
            }
            .container {
                padding: 0 1rem;
            }
            .hero-resources {
                min-height: auto;
                padding: 3rem 0;
            }
            .resource-table {
                font-size: 0.8rem;
            }
            .resource-table th,
            .resource-table td {
                padding: 0.6rem 0.5rem;
            }
            .data-stat-block {
                gap: 1rem;
            }
            .tool-feature-item {
                padding: 1rem;
            }
        }
        @media (max-width: 520px) {
            .resource-grid-cards,
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        .section {
            padding: 4rem 0;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #4a5b00;
            background-color: rgba(198, 255, 0, 0.2);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
        }
        .section-header h2 {
            margin-bottom: 0.75rem;
        }
        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 680px;
        }
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--border-color);
            margin-left: 0.75rem;
            padding-bottom: 2rem;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px rgba(198, 255, 0, 0.3);
        }
        .timeline-item h3 {
            margin-bottom: 0.5rem;
        }
        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.925rem;
            margin: 0;
        }
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }