/* roulang page: index */
:root {
            --bg-canvas: #0e1117;
            --bg-surface: #161b22;
            --bg-card: #1f242c;
            --bg-card-hover: #28303b;
            --primary: #00f59b;
            --primary-hover: #00d685;
            --primary-glow: rgba(0, 245, 155, 0.35);
            --accent: #7928ca;
            --accent-gold: #ffb800;
            --accent-cyan: #00e5ff;
            --text-main: #ffffff;
            --text-sub: #a0aec0;
            --text-muted: #718096;
            --border: #2d3748;
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-pill: 9999px;
            --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
            --container-w: 1240px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部通栏 */
        .top-bar {
            background-color: #080a0d;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-sub);
            padding: 8px 0;
        }
        .top-bar-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--primary);
        }

        /* 主导航 */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 17, 23, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-main);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-weight: 900;
            font-size: 18px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* 按钮体系 */
        .btn-primary {
            background-color: var(--primary);
            color: #0e1117;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            box-shadow: 0 4px 15px var(--primary-glow);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--primary-glow);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(0, 245, 155, 0.05);
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        /* 通用 Section 排版 */
        section {
            padding: 90px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-header {
            margin-bottom: 50px;
        }
        .section-header.text-center {
            text-align: center;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(0, 245, 155, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* 1. 首屏 Hero */
        .hero-section {
            padding: 100px 0 120px;
            background-image: linear-gradient(180deg, rgba(14, 17, 23, 0.8) 0%, rgba(14, 17, 23, 0.98) 100%), url('/assets/images/bf9e769080490ff4.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 40%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 16px;
            font-size: 14px;
            font-weight: 600;
        }
        .panel-code-box {
            background: #111419;
            border-radius: var(--radius-sm);
            padding: 16px;
            font-family: monospace;
            font-size: 13px;
            color: var(--accent-cyan);
            line-height: 1.6;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 229, 255, 0.1);
        }
        .panel-stats-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .panel-stat-item {
            background: rgba(255, 255, 255, 0.03);
            padding: 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
        }
        .panel-stat-val {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .panel-stat-lbl {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 2. 痛点与解决方案 (#intro) */
        .pain-solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .pain-box {
            background: rgba(255, 68, 68, 0.04);
            border: 1px solid rgba(255, 68, 68, 0.15);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .sol-box {
            background: rgba(0, 245, 155, 0.04);
            border: 1px solid rgba(0, 245, 155, 0.2);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .box-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .pain-list, .sol-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .pain-list li, .sol-list li {
            position: relative;
            padding-left: 26px;
            font-size: 15px;
            color: var(--text-sub);
        }
        .pain-list li::before {
            content: "✕";
            position: absolute;
            left: 0;
            color: #ff4d4f;
            font-weight: 800;
        }
        .sol-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 800;
        }

        /* 3. 核心功能 6卡片 (#features) */
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(0, 245, 155, 0.1);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* 4. 热门与首发游戏 (#games) */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
        }
        .game-poster {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .game-poster img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .game-card:hover .game-poster img {
            transform: scale(1.05);
        }
        .game-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.75);
            color: var(--accent-gold);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
        }
        .game-info {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
        }
        .game-tag-item {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 8px;
            border-radius: 4px;
        }
        .game-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .game-desc {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 18px;
            line-height: 1.6;
            flex: 1;
        }
        .game-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .game-score {
            font-weight: 800;
            font-size: 16px;
            color: var(--primary);
        }

        /* 5. 分发技术深色区 (#technology) */
        .tech-section {
            background-color: #07090c;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .tech-points {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .tech-point-item {
            display: flex;
            gap: 16px;
        }
        .tech-point-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1;
            padding-top: 4px;
        }
        .tech-point-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .tech-point-body p {
            font-size: 14px;
            color: var(--text-sub);
        }
        .tech-visual {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px;
        }

        /* 6. 玩家与公会故事 (#stories) */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .story-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
        }
        .story-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--primary);
            flex-shrink: 0;
        }
        .story-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .story-role {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 12px;
            display: inline-block;
        }
        .story-content p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* 7. 运营与性能数据 (#stats) */
        .stats-strip {
            background: linear-gradient(90deg, #11141a 0%, #171d26 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-val {
            font-size: 38px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
        }

        /* 8. 玩家口碑墙 (#reviews) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }
        .review-user {
            font-size: 15px;
            font-weight: 700;
        }
        .review-hardware {
            font-size: 12px;
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.1);
            padding: 2px 8px;
            border-radius: 4px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .review-footer {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* 9. 平台资讯摘要 (#news) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .news-thumb {
            height: 160px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 20px;
        }
        .news-meta {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 10. 使用步骤导引 (#steps) */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #0e1117;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 18px;
        }
        .step-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 11. FAQ 手风琴 (#faq) */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-toggle {
            color: var(--primary);
            font-size: 18px;
            transition: transform 0.25s ease;
        }
        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        /* 12. 底部冲刺下载 (#cta-download) */
        .download-cta-box {
            background: linear-gradient(135deg, #161b22 0%, #1f2833 100%);
            border: 1px solid var(--primary);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0, 245, 155, 0.1);
        }
        .download-cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .download-cta-box p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 650px;
            margin: 0 auto 30px;
        }

        /* 统一页脚 */
        footer {
            background-color: #080a0d;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            max-width: 320px;
        }
        .footer-col h5 {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-grid, .pain-solution-grid, .tech-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .grid-6 {
                grid-template-columns: repeat(2, 1fr);
            }
            .games-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .grid-6, .games-grid, .stories-grid, .reviews-grid, .news-grid, .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .download-cta-box {
                padding: 40px 20px;
            }
        }