/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0a0e1a;
            --bg-secondary: #0f1428;
            --bg-card: rgba(16, 24, 48, 0.85);
            --bg-elevated: #161e3a;
            --bg-hover: rgba(30, 40, 70, 0.9);
            --primary: #00e5a0;
            --primary-hover: #00c489;
            --secondary: #7c4dff;
            --secondary-hover: #9370ff;
            --accent: #ffd700;
            --accent-hover: #ffc400;
            --danger: #ff4757;
            --text-primary: #e8eaf6;
            --text-secondary: #9aa5c9;
            --text-muted: #5f6a92;
            --border-color: rgba(124, 77, 255, 0.25);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 32px rgba(124, 77, 255, 0.25);
            --shadow-glow-green: 0 0 24px rgba(0, 229, 160, 0.2);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --container-width: 1200px;
            --header-height: 72px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 15% 0%, rgba(124, 77, 255, 0.12) 0%, transparent 50%), radial-gradient(ellipse at 85% 20%, rgba(0, 229, 160, 0.08) 0%, transparent 40%);
            background-attachment: fixed;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color 0.3s;
        }

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

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--shadow-glow);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .header-nav a:hover {
            color: var(--primary);
            background: rgba(0, 229, 160, 0.08);
            border-color: rgba(0, 229, 160, 0.2);
        }

        .header-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(124, 77, 255, 0.2), rgba(0, 229, 160, 0.15));
            border-color: var(--border-color);
            box-shadow: var(--shadow-glow);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }

        .header-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--border-light);
        }

        .header-burger span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.1);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary-hover);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(124, 77, 255, 0.5);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 140px 0 100px;
            background: linear-gradient(rgba(10, 14, 26, 0.75), rgba(10, 14, 26, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 130%;
            background: radial-gradient(ellipse, rgba(124, 77, 255, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 60%;
            height: 100%;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-pill .dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(0.8); }
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            line-height: 1.15;
            font-weight: 900;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding-top: 40px;
            border-top: 1px solid var(--border-light);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .hero-stat-num .highlight {
            color: var(--primary);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(124, 77, 255, 0.12);
            border: 1px solid rgba(124, 77, 255, 0.3);
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            color: #b29bff;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* ===== 核心说明 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            opacity: 0;
            transition: opacity 0.4s;
        }

        .feature-card:hover {
            background: var(--bg-hover);
            border-color: var(--border-color);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(124, 77, 255, 0.2), rgba(0, 229, 160, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        /* ===== 分类入口 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--border-light);
            transition: all 0.4s ease;
            cursor: pointer;
        }

        .category-card img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            transition: transform 0.6s ease;
        }

        .category-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, transparent 60%);
            z-index: 1;
        }

        .category-card:hover img {
            transform: scale(1.05);
        }

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

        .category-info {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }

        .category-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .category-info p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap 0.3s;
        }

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

        /* ===== 热门游戏 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.4s ease;
            position: relative;
        }

        .game-card:hover {
            border-color: var(--border-color);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .game-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .game-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-card:hover .game-cover img {
            transform: scale(1.06);
        }

        .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            border: 1px solid rgba(0, 229, 160, 0.3);
            z-index: 1;
        }

        .game-rating {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(8px);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 600;
            z-index: 1;
        }

        .game-body {
            padding: 20px 24px 24px;
        }

        .game-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .game-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0 0 16px;
            line-height: 1.6;
        }

        .game-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .game-btn {
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            transition: gap 0.3s;
        }

        .game-btn:hover {
            gap: 8px;
        }

        /* ===== 数据统计 ===== */
        .stats-band {
            background: linear-gradient(135deg, rgba(124, 77, 255, 0.1), rgba(0, 229, 160, 0.08));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin: 0 auto;
            max-width: var(--container-width);
            backdrop-filter: blur(12px);
        }

        .stat-item {
            text-align: center;
            padding: 16px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-light);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin-top: 8px;
            font-weight: 500;
        }

        /* ===== 最新资讯（CMS 列表） ===== */
        .news-wrap {
            max-width: 900px;
            margin: 0 auto;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(to bottom, var(--secondary), var(--primary));
            opacity: 0;
            transition: opacity 0.35s;
        }

        .news-item:hover {
            background: var(--bg-hover);
            border-color: var(--border-color);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }

        .news-item:hover::before {
            opacity: 1;
        }

        .news-item-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .news-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(124, 77, 255, 0.15);
            color: #b29bff;
            border: 1px solid rgba(124, 77, 255, 0.3);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-item h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
            transition: color 0.3s;
            line-height: 1.4;
        }

        .news-item:hover h3 {
            color: var(--primary);
        }

        .news-item p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin: 0;
        }

        .empty-tip {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            border: 2px dashed var(--border-color);
            border-radius: var(--radius-lg);
            font-size: 1.05rem;
        }

        /* ===== 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }

        .process-item {
            text-align: center;
            padding: 32px 24px;
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: all 0.35s ease;
        }

        .process-item:hover {
            border-color: var(--border-color);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .process-step {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin: 0 auto 20px;
            box-shadow: var(--shadow-glow);
        }

        .process-item h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .process-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-container {
            max-width: 750px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.35s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: all 0.3s;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-icon {
            width: 22px;
            height: 22px;
            min-width: 22px;
            border-radius: 50%;
            background: rgba(124, 77, 255, 0.15);
            border: 1px solid rgba(124, 77, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #b29bff;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 28px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            padding: 0 28px 24px;
            max-height: 200px;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: linear-gradient(135deg, rgba(124, 77, 255, 0.15), rgba(0, 229, 160, 0.12));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -10%;
            width: 50%;
            height: 150%;
            background: radial-gradient(ellipse, rgba(124, 77, 255, 0.2), transparent);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }

        .cta-band p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .header-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all 0.3s;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-2xl: 72px;
            }

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

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

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .stat-item:not(:last-child)::after {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --spacing-2xl: 56px;
            }

            .header-cta {
                display: none;
            }

            .header-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }

            .header-nav.open {
                display: flex;
            }

            .header-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }

            .header-burger {
                display: flex;
            }

            .hero {
                padding: 100px 0 72px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat-num {
                font-size: 1.5rem;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }

            .features-grid,
            .games-grid,
            .process-grid {
                grid-template-columns: 1fr;
            }

            .stats-band {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }

            .cta-band {
                padding: 40px 24px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .news-item {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-pill {
                font-size: 0.75rem;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .game-cover {
                height: 180px;
            }

            .process-item {
                padding: 24px 16px;
            }

            .faq-question {
                padding: 16px 20px;
                font-size: 0.95rem;
            }

            .faq-item.active .faq-answer {
                padding: 0 20px 20px;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(124, 77, 255, 0.6);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #00e5a0;
            --primary-rgb: 0, 229, 160;
            --secondary: #b16cff;
            --secondary-rgb: 177, 108, 255;
            --bg: #0a0e17;
            --bg-soft: #0f1624;
            --bg-card: rgba(255, 255, 255, 0.045);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --text: #eaf0f8;
            --text-muted: #8b96ab;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            --glow-green: 0 0 28px rgba(0, 229, 160, 0.18);
            --glow-purple: 0 0 28px rgba(177, 108, 255, 0.15);
            --header-h: 72px;
            --spacer-section: 90px;
            --transition: 0.28s cubic-bezier(0.25, 0.8, 0.4, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 229, 160, 0.08), transparent 70%), radial-gradient(ellipse 60% 40% at 90% 10%, rgba(177, 108, 255, 0.06), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        body>* {
            position: relative;
            z-index: 1;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.22rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text);
            white-space: nowrap;
        }
        .header-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.2), rgba(177, 108, 255, 0.2));
            color: var(--primary);
            font-size: 1.2rem;
            border: 1px solid rgba(0, 229, 160, 0.3);
            box-shadow: var(--glow-green);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-nav a {
            position: relative;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: color var(--transition), background var(--transition), box-shadow var(--transition);
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .header-nav a.active {
            color: var(--primary);
            box-shadow: inset 0 0 0 1px rgba(0, 229, 160, 0.3), 0 0 20px rgba(0, 229, 160, 0.1);
        }
        .header-cta {
            padding: 9px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), #00c78a);
            color: #04120d;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(0, 229, 160, 0.35);
            transition: transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            transform: translateY(-1px) scale(1.02);
            box-shadow: 0 8px 28px rgba(0, 229, 160, 0.45);
        }
        .header-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
            border-radius: 8px;
        }
        .header-burger span {
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: transform 0.3s, opacity 0.3s;
        }
        .header-burger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .header-burger.active span:nth-child(2) {
            opacity: 0;
        }
        .header-burger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            padding: 90px 0 70px;
            background-image: linear-gradient(180deg, rgba(10, 14, 23, 0.88), rgba(10, 14, 23, 0.94)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.12), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            opacity: 0.4;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: clamp(2rem, 4.4vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            background: linear-gradient(120deg, #ffffff 30%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 18px;
            max-width: 760px;
        }
        .hero-subtitle {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #00c78a);
            color: #04150e;
            box-shadow: 0 4px 20px rgba(0, 229, 160, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0, 229, 160, 0.45);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-strong);
            color: var(--text);
            backdrop-filter: blur(6px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .hero-meta strong {
            color: var(--text);
            font-size: 1.05rem;
        }
        .hero-meta i {
            color: var(--primary);
            font-style: normal;
        }

        /* Section */
        .section {
            padding: var(--spacer-section) 0;
        }
        .section-soft {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            max-width: 760px;
            margin: 0 auto 52px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.2);
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* Intro cards */
        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
            overflow: hidden;
        }
        .intro-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .intro-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 229, 160, 0.25);
            box-shadow: var(--glow-green), var(--shadow);
        }
        .intro-card:hover::before {
            opacity: 1;
        }
        .intro-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.15), rgba(177, 108, 255, 0.15));
            border: 1px solid rgba(0, 229, 160, 0.2);
            margin-bottom: 20px;
        }
        .intro-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .intro-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.75;
        }

        /* Category cards */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            min-height: 280px;
            display: flex;
            align-items: flex-end;
        }
        .cat-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            transition: transform 0.5s, opacity var(--transition);
        }
        .cat-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.25), rgba(10, 14, 23, 0.92) 80%);
            z-index: 1;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow), 0 0 0 1px rgba(0, 229, 160, 0.2);
        }
        .cat-card:hover img {
            transform: scale(1.05);
            opacity: 0.7;
        }
        .cat-card-body {
            position: relative;
            z-index: 2;
            padding: 26px;
            width: 100%;
        }
        .cat-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.2);
            margin-bottom: 10px;
        }
        .cat-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition), gap var(--transition);
        }
        .cat-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* Hot list */
        .list-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }
        .list-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 12px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .list-panel:hover {
            border-color: rgba(0, 229, 160, 0.18);
            box-shadow: var(--glow-green);
        }
        .list-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            border-radius: var(--radius);
            transition: background var(--transition);
            align-items: center;
        }
        .list-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .list-item+.list-item {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .list-item img {
            width: 88px;
            height: 66px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .list-info {
            flex: 1;
            min-width: 0;
        }
        .list-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.76rem;
            color: var(--text-muted);
            margin-bottom: 5px;
            flex-wrap: wrap;
        }
        .list-meta .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(177, 108, 255, 0.14);
            color: var(--secondary);
            border: 1px solid rgba(177, 108, 255, 0.2);
        }
        .list-info h3 {
            font-size: 0.98rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .list-info h3:hover {
            color: var(--primary);
        }
        .list-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .list-rank {
            font-size: 1.2rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.12);
            min-width: 30px;
            text-align: center;
        }
        .list-item:nth-child(1) .list-rank {
            color: var(--primary);
        }
        .list-item:nth-child(2) .list-rank {
            color: var(--secondary);
        }
        .list-item:nth-child(3) .list-rank {
            color: #ffb84d;
        }

        /* Stats */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 26px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stat-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--glow-green);
        }
        .stat-card:hover::after {
            opacity: 1;
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-top: 8px;
        }

        /* Workflow */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .flow-grid::before {
            content: "";
            position: absolute;
            top: 34px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.4), rgba(177, 108, 255, 0.4), transparent);
        }
        .flow-item {
            text-align: center;
            padding: 10px 14px;
            position: relative;
        }
        .flow-step {
            width: 68px;
            height: 68px;
            margin: 0 auto 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            background: var(--bg-soft);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--primary);
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 8px var(--bg);
        }
        .flow-item:nth-child(2) .flow-step {
            color: var(--secondary);
            border-color: rgba(177, 108, 255, 0.3);
        }
        .flow-item:nth-child(3) .flow-step {
            color: #ffb84d;
            border-color: rgba(255, 184, 77, 0.3);
        }
        .flow-item:nth-child(4) .flow-step {
            color: #4dd6ff;
            border-color: rgba(77, 214, 255, 0.3);
        }
        .flow-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .review-stars {
            color: #ffb84d;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }
        .review-text {
            font-size: 0.92rem;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 18px;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.2), rgba(177, 108, 255, 0.2));
            color: var(--text);
            border: 1px solid var(--border-strong);
        }
        .review-author strong {
            display: block;
            font-size: 0.9rem;
        }
        .review-author span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 229, 160, 0.2);
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 0.98rem;
            font-weight: 600;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item[open] {
            border-color: rgba(0, 229, 160, 0.3);
            box-shadow: var(--glow-green);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
        }
        .cta-inner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 80px 40px;
            text-align: center;
            background-image: linear-gradient(135deg, rgba(10, 14, 23, 0.9), rgba(10, 14, 23, 0.7)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border);
        }
        .cta-inner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(0, 229, 160, 0.14), transparent 60%);
            pointer-events: none;
        }
        .cta-inner>* {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 60px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.88rem;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        /* Focus */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacer-section: 60px;
            }
            .header-cta {
                display: none;
            }
            .header-burger {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: var(--header-h);
                right: 0;
                width: 280px;
                height: calc(100vh - var(--header-h));
                background: rgba(10, 14, 23, 0.98);
                border-left: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.4, 1);
                box-shadow: -16px 0 40px rgba(0, 0, 0, 0.4);
                z-index: 99;
            }
            .header-nav.open {
                transform: translateX(0);
            }
            .header-nav a {
                padding: 14px 18px;
                text-align: center;
                border-radius: 12px;
                font-size: 1rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .page-hero {
                min-height: 380px;
                padding: 70px 0 50px;
            }
            .intro-grid,
            .cat-grid,
            .review-grid,
            .flow-grid,
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .list-wrap {
                grid-template-columns: 1fr;
            }
            .flow-grid::before {
                display: none;
            }
            .cta-inner {
                padding: 50px 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                padding: 0 18px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-meta {
                gap: 14px;
                font-size: 0.8rem;
            }
            .intro-grid,
            .cat-grid,
            .review-grid,
            .flow-grid,
            .stat-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .list-item {
                flex-direction: row;
                align-items: flex-start;
            }
            .list-item img {
                width: 76px;
                height: 58px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
                max-width: 280px;
                margin: 0 auto;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }

/* roulang page: article */
:root{
    --bg-primary:#0a0e1a;
    --bg-secondary:#101627;
    --bg-card:#151c36;
    --bg-card-hover:#1a2340;
    --bg-input:#0e1324;
    --brand-primary:#7c5cff;
    --brand-secondary:#00d4ff;
    --brand-accent:#ff3d71;
    --text-primary:#f0f3fa;
    --text-secondary:#a0abc4;
    --text-muted:#64708a;
    --border-color:#232c49;
    --border-light:#2e3a5e;
    --radius-sm:8px;
    --radius-md:14px;
    --radius-lg:22px;
    --shadow-sm:0 4px 18px rgba(0,0,0,.3);
    --shadow-md:0 12px 36px rgba(0,0,0,.4);
    --shadow-lg:0 24px 60px rgba(0,0,0,.5);
    --transition:all .3s ease;
    --font-body:"PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;
    --spacing-section:clamp(3rem,7vw,5.5rem);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--brand-secondary);text-decoration:none;transition:var(--transition)}
a:hover{color:#fff}
img{max-width:100%;display:block;border-radius:12px}
ul,li{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:820px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:12px;font-size:.95rem;font-weight:600;transition:var(--transition);border:none;cursor:pointer;line-height:1.4;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;box-shadow:0 6px 24px rgba(124,92,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(124,92,255,.5);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border-light);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--brand-primary);color:#fff;background:rgba(124,92,255,.1)}

/* 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:50px;font-size:.78rem;font-weight:600;letter-spacing:.3px}
.badge-primary{background:linear-gradient(135deg,rgba(124,92,255,.25),rgba(0,212,255,.2));color:var(--brand-secondary);border:1px solid rgba(0,212,255,.3)}
.badge-hot{background:linear-gradient(135deg,rgba(255,61,113,.2),rgba(255,140,66,.15));color:#ffa26b;border:1px solid rgba(255,61,113,.25)}
.badge-neutral{background:rgba(160,171,196,.12);color:var(--text-secondary);border:1px solid var(--border-color)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,14,26,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-color)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.header-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;color:var(--text-primary);letter-spacing:.5px}
.header-logo-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;font-size:1.1rem;box-shadow:0 4px 16px rgba(124,92,255,.4)}
.header-nav{display:flex;align-items:center;gap:8px}
.header-nav a{color:var(--text-secondary);font-size:.92rem;font-weight:500;padding:9px 16px;border-radius:10px;transition:var(--transition);position:relative}
.header-nav a:hover{color:var(--text-primary);background:rgba(124,92,255,.12)}
.header-nav a.active{color:#fff;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));box-shadow:0 4px 20px rgba(124,92,255,.35)}
.header-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:10px;background:linear-gradient(135deg,var(--brand-primary),var(--brand-secondary));color:#fff;font-size:.88rem;font-weight:600;box-shadow:0 4px 20px rgba(124,92,255,.3);transition:var(--transition)}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(124,92,255,.45);color:#fff}
.header-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;border-radius:8px;background:transparent;border:none}
.header-burger span{width:22px;height:2px;background:var(--text-secondary);border-radius:4px;transition:var(--transition)}
.header-burger.open span:nth-child(1){transform:rotate(45deg) translate(4px,6px)}
.header-burger.open span:nth-child(2){opacity:0}
.header-burger.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-6px)}

/* 文章 Banner */
.article-banner{position:relative;background-size:cover;background-position:center;padding:90px 0 60px;border-bottom:1px solid var(--border-color);overflow:hidden}
.article-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,.78),rgba(10,14,26,.92),var(--bg-primary));z-index:1}
.article-banner::after{content:"";position:absolute;top:-60px;right:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(124,92,255,.25),transparent 70%);pointer-events:none;z-index:0}
.article-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.86rem;color:var(--text-muted);margin-bottom:20px}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-secondary)}
.breadcrumb-sep{color:var(--text-muted);opacity:.5}
.breadcrumb .current{color:var(--text-secondary)}
.article-hero-inner{max-width:900px}
.article-hero-category{display:inline-block;margin-bottom:14px}
.article-hero-inner h1{font-size:clamp(1.6rem,4vw,2.5rem);font-weight:800;line-height:1.3;margin-bottom:18px;letter-spacing:.5px}
.article-hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:.9rem;color:var(--text-secondary);margin-top:8px}
.meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-item i{color:var(--brand-secondary);font-size:.85rem}
.meta-item .sep-dot{width:4px;height:4px;border-radius:50%;background:var(--text-muted);display:inline-block;margin:0 2px}

/* 文章主体布局 */
.article-section{padding:40px 0 70px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start}
.article-main{display:flex;flex-direction:column;gap:28px;min-width:0}
.article-main-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
.article-main-card .article-cover{width:100%;height:auto;border-radius:0;display:block}
.article-main-body{padding:36px}
.article-content-body{font-size:1.03rem;line-height:1.9;color:var(--text-secondary)}
.article-content-body p{margin-bottom:1.3em}
.article-content-body strong{color:var(--text-primary);font-weight:600}
.article-content-body h2{font-size:1.35rem;color:var(--text-primary);margin:1.8em 0 .7em;font-weight:700;line-height:1.4;padding-left:14px;border-left:3px solid var(--brand-primary)}
.article-content-body h3{font-size:1.15rem;color:var(--text-primary);margin:1.6em 0 .6em;font-weight:600}
.article-content-body ul,.article-content-body ol{margin:1rem 0 1.4rem;padding-left:1.4rem}
.article-content-body ul li{list-style:disc;margin-bottom:.5rem}
.article-content-body ol li{list-style:decimal;margin-bottom:.5rem}
.article-content-body img{border-radius:14px;margin:1.4rem 0;width:100%;height:auto}
.article-content-body blockquote{border-left:3px solid var(--brand-secondary);background:rgba(0,212,255,.06);padding:16px 20px;border-radius:0 12px 12px 0;margin:1.4rem 0;color:var(--text-secondary);font-style:normal}
.article-content-body a{color:var(--brand-secondary);border-bottom:1px solid rgba(0,212,255,.3)}
.article-content-body a:hover{border-bottom-color:var(--brand-secondary)}
.article-content-body table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.9rem}
.article-content-body th,.article-content-body td{border:1px solid var(--border-color);padding:10px 14px;text-align:left}
.article-content-body th{background:rgba(124,92,255,.08);color:var(--text-primary)}

/* 文章标签 */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;padding-top:28px;margin-top:28px;border-top:1px solid var(--border-color)}
.article-tags .tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:50px;background:rgba(160,171,196,.08);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.8rem;transition:var(--transition)}
.article-tags .tag:hover{border-color:var(--brand-primary);color:var(--brand-secondary);background:rgba(124,92,255,.1)}
.article-tags .tag i{font-size:.7rem;color:var(--brand-secondary)}

/* 文章未找到 */
.article-not-found{background:var(--bg-card);border:1px solid var(--border-color);border-radius:22px;padding:70px 40px;text-align:center;box-shadow:var(--shadow-sm)}
.not-found-icon{display:flex;align-items:center;justify-content:center;width:72px;height:72px;margin:0 auto 24px;border-radius:50%;background:linear-gradient(135deg,rgba(255,61,113,.2),rgba(124,92,255,.15));color:var(--brand-accent);font-size:2rem;font-weight:800;border:1px solid rgba(255,61,113,.3)}
.article-not-found h2{font-size:1.5rem;margin-bottom:12px}
.article-not-found p{color:var(--text-secondary);margin-bottom:26px;max-width:400px;margin-left:auto;margin-right:auto}

/* 侧边栏 */
.article-sidebar{display:flex;flex-direction:column;gap:24px;min-width:0}
.sidebar-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;transition:var(--transition)}
.sidebar-card:hover{border-color:var(--border-light)}
.sidebar-card-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.sidebar-card-title i{color:var(--brand-secondary)}
.sidebar-card-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--border-color),transparent)}
.sb-category-list{display:flex;flex-direction:column;gap:8px}
.sb-category-list a{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:12px;background:rgba(160,171,196,.05);border:1px solid transparent;color:var(--text-secondary);font-size:.9rem;transition:var(--transition)}
.sb-category-list a:hover{background:rgba(124,92,255,.08);border-color:rgba(124,92,255,.3);color:var(--text-primary);transform:translateX(4px)}
.sb-category-list a i{font-size:.75rem;color:var(--text-muted)}
.sb-category-list a:hover i{color:var(--brand-secondary)}
.sb-hot-list{display:flex;flex-direction:column;gap:0}
.sb-hot-list li{border-bottom:1px solid rgba(232,243,248,.06);padding:12px 0}
.sb-hot-list li:last-child{border-bottom:none}
.sb-hot-list a{display:flex;gap:12px;align-items:flex-start;color:var(--text-secondary);font-size:.88rem;line-height:1.5}
.sb-hot-list a:hover{color:var(--text-primary)}
.sb-hot-list .hot-num{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;background:rgba(124,92,255,.12);color:var(--brand-secondary);font-size:.75rem;font-weight:700}
.sb-hot-list li:nth-child(-n+3) .hot-num{background:rgba(255,61,113,.15);color:var(--brand-accent)}
.sb-tags-cloud{display:flex;flex-wrap:wrap;gap:8px}
.sb-tags-cloud a{padding:6px 14px;border-radius:50px;background:rgba(160,171,196,.06);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.78rem;transition:var(--transition)}
.sb-tags-cloud a:hover{border-color:var(--brand-primary);color:var(--brand-secondary);background:rgba(124,92,255,.1)}

/* 相关推荐 */
.related-section{padding:0 0 var(--spacing-section);position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:1.7rem;font-weight:800;letter-spacing:.5px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:4px;background:linear-gradient(180deg,var(--brand-primary),var(--brand-secondary))}
.section-head .section-link{font-size:.88rem;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.section-head .section-link:hover{color:var(--brand-secondary)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:18px;overflow:hidden;transition:var(--transition);height:100%}
.related-card:hover{transform:translateY(-4px);border-color:var(--border-light);box-shadow:var(--shadow-md)}
.related-card .cover-wrap{position:relative;padding-top:56%;overflow:hidden}
.related-card .cover-wrap img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .cover-wrap img{transform:scale(1.05)}
.related-card .cover-wrap .badge{position:absolute;top:12px;left:12px;z-index:2}
.related-card .related-body{padding:20px;display:flex;flex-direction:column;gap:10px}
.related-card .related-body h3{font-size:1rem;font-weight:600;color:var(--text-primary);line-height:1.5}
.related-card .related-body h3 a{color:var(--text-primary)}
.related-card .related-body h3 a:hover{color:var(--brand-secondary)}
.related-card .related-body p{font-size:.85rem;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .related-meta{display:flex;align-items:center;justify-content:space-between;margin-top:4px;font-size:.8rem;color:var(--text-muted)}

/* FAQ */
.faq-section{padding:70px 0;background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.faq-section .section-head h2{font-size:1.6rem}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px 24px 22px;transition:var(--transition)}
.faq-item:hover{border-color:rgba(124,92,255,.35);box-shadow:var(--shadow-sm)}
.faq-item h3{display:flex;gap:12px;font-size:.98rem;font-weight:600;color:var(--text-primary);margin-bottom:10px;line-height:1.5}
.faq-item h3 .faq-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:6px;background:linear-gradient(135deg,rgba(124,92,255,.2),rgba(0,212,255,.15));color:var(--brand-secondary);font-size:.7rem;font-weight:700}
.faq-item p{font-size:.88rem;color:var(--text-secondary);line-height:1.7;padding-left:36px}

/* CTA */
.cta-banner{position:relative;overflow:hidden;background-size:cover;background-position:center}
.cta-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,26,.94),rgba(124,92,255,.62),rgba(10,14,26,.9));z-index:1}
.cta-banner .container{position:relative;z-index:2;padding:70px 24px;text-align:center}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;margin-bottom:14px}
.cta-banner p{max-width:620px;margin:0 auto 28px;color:var(--text-secondary);font-size:1rem;line-height:1.7}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.cta-glowing{animation:ctaGlow 2.5s ease-in-out infinite}
@keyframes ctaGlow{
    0%,100%{box-shadow:0 6px 24px rgba(124,92,255,.35)}
    50%{box-shadow:0 8px 36px rgba(124,92,255,.6)}
}

/* Footer */
.site-footer{background:#070b16;border-top:1px solid var(--border-color);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.footer-brand p{color:var(--text-muted);font-size:.88rem;line-height:1.7;margin-top:14px;max-width:320px}
.footer-title{font-size:.92rem;font-weight:600;color:var(--text-primary);margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-muted);font-size:.85rem;transition:var(--transition)}
.footer-links a:hover{color:var(--brand-secondary);padding-left:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;border-top:1px solid var(--border-color);font-size:.8rem;color:var(--text-muted)}

/* 移动端 */
@media (max-width:1024px){
    .article-layout{grid-template-columns:1fr;gap:32px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
    .header-burger{display:flex}
    .header-nav{position:fixed;top:68px;left:0;right:0;background:rgba(10,14,26,.98);flex-direction:column;align-items:stretch;padding:16px;gap:8px;border-bottom:1px solid var(--border-color);transform:translateY(-120%);transition:var(--transition);z-index:99;backdrop-filter:blur(20px)}
    .header-nav.open{transform:translateY(0)}
    .header-nav a{padding:14px 16px;font-size:1rem}
    .header-cta{display:none}
    .article-banner{padding:60px 0 40px}
    .article-main-body{padding:24px}
    .related-grid{grid-template-columns:1fr}
    .faq-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .cta-actions{flex-direction:column;align-items:center}
    .article-hero-meta{gap:12px;flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
    .container{padding:0 16px}
    .header-inner{padding:0 16px}
    .article-main-body{padding:20px}
    .article-banner h1{font-size:1.4rem}
    .related-grid{grid-template-columns:1fr}
    .cta-banner .container{padding:50px 16px}
}

/* roulang page: category2 */
:root {
            --primary: #ff6b35;
            --primary-light: #ffa63e;
            --accent: #8b5cf6;
            --bg: #0a0e17;
            --surface: #111827;
            --surface-2: #1a2234;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
            --transition: all .3s ease;
            --container: 1200px;
            --header-h: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            white-space: nowrap;
        }
        .header-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }
        .header-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: right;
            transition: transform .3s ease;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--text);
        }
        .header-nav a:hover::after,
        .header-nav a.active::after {
            transform: scaleX(1);
            transform-origin: left;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
        }
        .header-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .header-burger:hover {
            background: var(--surface-2);
        }
        .header-burger span {
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .header-burger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .header-burger.open span:nth-child(2) {
            opacity: 0;
        }
        .header-burger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-color: var(--bg);
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.75) 0%, rgba(10, 14, 23, 0.55) 50%, var(--bg) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 53, 0.14);
            border: 1px solid rgba(255, 107, 53, 0.35);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-badge::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 107, 53, 0);
            }
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.8));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero p {
            max-width: 680px;
            font-size: 17px;
            color: rgba(241, 245, 249, 0.85);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 107, 53, 0.45);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(255, 107, 53, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Section ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary-light);
            background: rgba(255, 107, 53, 0.1);
            border: 1px solid rgba(255, 107, 53, 0.25);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== News Cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(255, 107, 53, 0.3);
        }
        .news-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }
        .news-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 14, 23, 0.7));
        }
        .news-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(8px);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            border: 1px solid rgba(255, 107, 53, 0.35);
        }
        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .news-card:hover .news-card-title {
            color: var(--primary-light);
        }
        .news-card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card-link:hover {
            color: var(--primary-light);
            gap: 8px;
        }

        /* ===== Game Icons ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }
        .game-item {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 16px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .game-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: var(--transition);
        }
        .game-item:hover::before {
            opacity: 1;
        }
        .game-item:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 107, 53, 0.3);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
        }
        .game-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(139, 92, 246, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .game-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .game-count {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Rank Panel ===== */
        .rank-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .rank-panel .panel-card {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
        }
        .panel-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .panel-title i {
            color: var(--primary);
            font-style: normal;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(255, 107, 53, 0.06);
            border-color: rgba(255, 107, 53, 0.2);
        }
        .rank-num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            background: var(--surface);
            color: var(--text-muted);
            border: 1px solid var(--border);
            flex-shrink: 0;
        }
        .rank-num.top {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border: none;
        }
        .rank-team {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .rank-tag {
            font-size: 12px;
            color: var(--primary-light);
            background: rgba(255, 107, 53, 0.1);
            padding: 3px 10px;
            border-radius: 50px;
        }
        .rank-score {
            font-size: 15px;
            font-weight: 800;
            color: var(--text);
            min-width: 44px;
            text-align: right;
        }
        .rank-change {
            font-size: 12px;
            color: #34d399;
            min-width: 24px;
            text-align: center;
        }
        .rank-change.down {
            color: #f87171;
        }
        .rank-change.even {
            color: var(--text-muted);
        }

        /* ===== Guide Steps ===== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .guide-step {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            position: relative;
            transition: var(--transition);
        }
        .guide-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(139, 92, 246, 0.35);
        }
        .step-num {
            font-size: 42px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 14px;
            line-height: 1;
        }
        .step-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 107, 53, 0.25);
        }
        .faq-item.open {
            border-color: rgba(255, 107, 53, 0.4);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }
        .faq-q:hover {
            color: var(--primary-light);
        }
        .faq-q .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-a {
            display: none;
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: linear-gradient(135deg, var(--surface-2), var(--surface-2));
            border: 1px solid var(--border);
            border-radius: calc(var(--radius) + 8px);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2), transparent 70%);
            border-radius: 50%;
        }
        .cta-panel::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 70%);
            border-radius: 50%;
        }
        .cta-panel>* {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070a10;
            border-top: 1px solid var(--border);
            padding: 64px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .header-logo {
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px 20px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform .35s ease;
                align-items: stretch;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            }
            .header-nav.open {
                transform: translateY(0);
            }
            .header-nav a {
                padding: 14px 4px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }
            .header-nav a:hover,
            .header-nav a.active {
                color: var(--primary-light);
            }
            .header-cta {
                display: none;
            }
            .header-burger {
                display: flex;
            }
            .page-hero {
                padding: 140px 0 70px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .rank-panel {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .game-item {
                padding: 20px 10px;
            }
            .guide-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn {
                width: 100%;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .rank-panel .panel-card {
                padding: 20px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }