/* roulang page: index */
:root {
            --bg-base: #060b19;
            --bg-surface: #0c162d;
            --bg-card: rgba(16, 28, 58, 0.65);
            --bg-card-hover: rgba(24, 42, 86, 0.85);
            --border-glass: rgba(64, 153, 255, 0.18);
            --border-glow: rgba(0, 229, 255, 0.4);
            --primary-blue: #0088ff;
            --cyan-glow: #00e5ff;
            --accent-purple: #7000ff;
            --text-main: #f0f6fc;
            --text-muted: #8b9bb4;
            --text-dim: #5a6e8c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            overflow-x: hidden;
        }

        a {
            color: var(--cyan-glow);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffffff;
            text-shadow: 0 0 10px var(--cyan-glow);
        }

        /* 顶部导航 */
        .site-header {
            background: rgba(6, 11, 25, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 16px 0;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .site-brand {
            font-size: 1.45rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-brand .brand-icon {
            color: var(--cyan-glow);
            filter: drop-shadow(0 0 8px var(--cyan-glow));
        }
        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            gap: 28px;
            align-items: center;
        }
        .nav-links a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            background: rgba(0, 136, 255, 0.15);
            border: 1px solid var(--border-glass);
        }

        /* 统一发光按钮 */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            background: linear-gradient(135deg, var(--primary-blue), var(--cyan-glow));
            border-radius: var(--radius-md);
            border: none;
            box-shadow: var(--shadow-glow);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(0, 229, 255, 0.6);
            color: #ffffff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--cyan-glow);
            background: rgba(0, 136, 255, 0.08);
            border: 1px solid var(--cyan-glow);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.2);
            color: #ffffff;
            box-shadow: var(--shadow-glow);
        }

        /* 玻璃拟态卡片通用 */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-glass);
            transition: var(--transition);
            height: 100%;
        }
        .glass-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            transform: translateY(-4px);
        }

        /* 章节通用 */
        .section-block {
            padding: 85px 0;
            position: relative;
        }
        .section-alt {
            background: linear-gradient(180deg, rgba(12, 22, 45, 0.4) 0%, rgba(6, 11, 25, 0.8) 100%);
            border-top: 1px solid rgba(64, 153, 255, 0.08);
            border-bottom: 1px solid rgba(64, 153, 255, 0.08);
        }
        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 50px auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--cyan-glow);
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid var(--border-glass);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Hero: 无大图图标矩阵 + 状态条 + 短标题 */
        .hero-section {
            padding: 75px 0 60px 0;
            background: radial-gradient(circle at 50% 10%, rgba(0, 136, 255, 0.15) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-glass);
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 18px;
            background: rgba(16, 28, 58, 0.8);
            border: 1px solid var(--cyan-glow);
            border-radius: 50px;
            font-size: 0.88rem;
            color: var(--cyan-glow);
            margin-bottom: 24px;
            box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--cyan-glow);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--cyan-glow);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 0.4; }
            50% { opacity: 1; }
            100% { opacity: 0.4; }
        }
        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 20px;
        }
        .hero-intro {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 820px;
            margin: 0 auto 36px auto;
        }
        .hero-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 18px;
            margin-top: 40px;
        }
        .matrix-item {
            background: rgba(12, 22, 45, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }
        .matrix-item:hover {
            border-color: var(--cyan-glow);
            box-shadow: var(--shadow-glow);
        }
        .matrix-icon {
            font-size: 1.8rem;
            color: var(--cyan-glow);
            margin-bottom: 10px;
        }
        .matrix-label {
            font-size: 0.92rem;
            font-weight: 600;
            color: #ffffff;
        }

        /* 裂变邀请蓝图组件 */
        .fission-box {
            background: linear-gradient(135deg, rgba(16, 28, 58, 0.9), rgba(24, 42, 86, 0.7));
            border: 1px solid var(--cyan-glow);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-glow);
        }
        .progress-track {
            background: rgba(6, 11, 25, 0.8);
            border-radius: 50px;
            height: 14px;
            overflow: hidden;
            border: 1px solid var(--border-glass);
            margin: 18px 0;
        }
        .progress-fill {
            background: linear-gradient(90deg, var(--primary-blue), var(--cyan-glow));
            height: 100%;
            width: 68%;
            box-shadow: 0 0 10px var(--cyan-glow);
        }
        .leaderboard-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .leaderboard-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            background: rgba(6, 11, 25, 0.5);
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            border: 1px solid var(--border-glass);
        }

        /* 截图演示模拟舞台 */
        .stage-mockup {
            background: #040813;
            border: 1px solid var(--cyan-glow);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-glow);
        }
        .stage-bar {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-glass);
        }
        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        .dot-red { background: #ff5f56; }
        .dot-yellow { background: #ffbd2e; }
        .dot-green { background: #27c93f; }

        /* 套餐对比表 */
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .tier-card.featured {
            border-color: var(--cyan-glow);
            box-shadow: var(--shadow-glow);
            background: rgba(16, 28, 58, 0.85);
        }
        .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--cyan-glow);
            color: #060b19;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 3px 12px;
            border-radius: 50px;
        }

        /* 资讯列表卡 */
        .news-item {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--cyan-glow);
            margin-bottom: 8px;
        }

        /* 页脚 */
        .site-footer {
            background: #03070f;
            border-top: 1px solid var(--border-glass);
            padding: 60px 0 30px 0;
            color: var(--text-dim);
            font-size: 0.9rem;
        }
        .footer-brand-title {
            color: #ffffff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        @media screen and (max-width: 768px) {
            .hero-title { font-size: 2rem; }
            .section-title { font-size: 1.6rem; }
            .nav-links { gap: 12px; }
            .section-block { padding: 55px 0; }
        }

/* roulang page: category1 */
:root {
        --bg-base: #060b19;
        --bg-surface: #0c162d;
        --bg-card: rgba(16, 28, 58, 0.65);
        --bg-card-hover: rgba(24, 42, 86, 0.85);
        --border-glass: rgba(64, 153, 255, 0.18);
        --border-glow: rgba(0, 229, 255, 0.4);
        --primary-blue: #0088ff;
        --cyan-glow: #00e5ff;
        --accent-purple: #7000ff;
        --text-main: #f0f6fc;
        --text-muted: #8b9bb4;
        --text-dim: #5a6e8c;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
        --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
        background-color: var(--bg-base);
        color: var(--text-main);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        line-height: 1.65;
        overflow-x: hidden;
    }
    a {
        color: var(--cyan-glow);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: #ffffff;
        text-shadow: 0 0 10px var(--cyan-glow);
    }
    /* 顶部导航 */
    .site-header {
        background: rgba(6, 11, 25, 0.85);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-glass);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 16px 0;
    }
    .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .site-brand {
        font-size: 1.45rem;
        font-weight: 800;
        color: #ffffff;
        letter-spacing: 0.5px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .site-brand .brand-icon {
        color: var(--cyan-glow);
        filter: drop-shadow(0 0 8px var(--cyan-glow));
    }
    .nav-links {
        display: flex;
        list-style: none;
        margin: 0;
        gap: 28px;
        align-items: center;
    }
    .nav-links a {
        color: var(--text-muted);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 6px 12px;
        border-radius: var(--radius-sm);
    }
    .nav-links a:hover,
    .nav-links a.active {
        color: #ffffff;
        background: rgba(0, 136, 255, 0.15);
        border: 1px solid var(--border-glass);
    }
    /* 按钮与卡片 */
    .btn-glow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        font-size: 0.95rem;
        font-weight: 600;
        color: #ffffff;
        background: linear-gradient(135deg, var(--primary-blue), var(--cyan-glow));
        border-radius: var(--radius-md);
        border: none;
        box-shadow: var(--shadow-glow);
        cursor: pointer;
        transition: var(--transition);
    }
    .btn-glow:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 35px rgba(0, 229, 255, 0.6);
        color: #ffffff;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--cyan-glow);
        background: rgba(0, 136, 255, 0.08);
        border: 1px solid var(--cyan-glow);
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: var(--transition);
    }
    .btn-outline:hover {
        background: rgba(0, 229, 255, 0.2);
        color: #ffffff;
        box-shadow: var(--shadow-glow);
    }
    .glass-card {
        background: var(--bg-card);
        backdrop-filter: blur(12px);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-glass);
        transition: var(--transition);
        height: 100%;
    }
    .glass-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-glow);
        transform: translateY(-4px);
    }
    .section-block {
        padding: 85px 0;
        position: relative;
    }
    .section-alt {
        background: linear-gradient(180deg, rgba(12, 22, 45, 0.4) 0%, rgba(6, 11, 25, 0.8) 100%);
        border-top: 1px solid rgba(64, 153, 255, 0.08);
        border-bottom: 1px solid rgba(64, 153, 255, 0.08);
    }
    .section-header {
        text-align: center;
        max-width: 780px;
        margin: 0 auto 50px auto;
    }
    .section-tag {
        display: inline-block;
        font-size: 0.82rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        color: var(--cyan-glow);
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid var(--border-glass);
        padding: 4px 14px;
        border-radius: 50px;
        margin-bottom: 14px;
    }
    .section-title {
        font-size: 2rem;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 16px;
    }
    .section-desc {
        font-size: 0.98rem;
        color: var(--text-muted);
        margin-bottom: 0;
    }
    /* 分类页定制 Hero：拼团转化风格（成团人数提示+开团参团） */
    .hero-coop-section {
        padding: 85px 0 65px 0;
        background: radial-gradient(circle at 50% 20%, rgba(0, 136, 255, 0.22) 0%, rgba(6, 11, 25, 0.95) 75%);
        border-bottom: 1px solid var(--border-glass);
        text-align: center;
    }
    .group-status-pill {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        padding: 8px 20px;
        background: rgba(16, 28, 58, 0.9);
        border: 1px solid var(--cyan-glow);
        border-radius: 50px;
        margin-bottom: 24px;
        box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
    }
    .avatar-stack {
        display: flex;
        align-items: center;
    }
    .avatar-stack span {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--primary-blue);
        border: 2px solid var(--bg-base);
        margin-left: -8px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        color: #fff;
    }
    .avatar-stack span:first-child { margin-left: 0; }
    .hero-actions-group {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
        margin-top: 32px;
    }
    /* 进度条与参数表格定制 */
    .metric-value-box {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--cyan-glow);
        font-family: monospace;
    }
    .case-badge {
        font-size: 0.75rem;
        padding: 3px 8px;
        border-radius: 4px;
        background: rgba(0, 229, 255, 0.15);
        color: var(--cyan-glow);
        border: 1px solid rgba(0, 229, 255, 0.3);
    }
    .step-node {
        position: relative;
        padding-left: 30px;
        margin-bottom: 24px;
    }
    .step-node::before {
        content: '';
        position: absolute;
        left: 0;
        top: 6px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--cyan-glow);
        box-shadow: 0 0 8px var(--cyan-glow);
    }
    .step-node::after {
        content: '';
        position: absolute;
        left: 5px;
        top: 22px;
        bottom: -20px;
        width: 2px;
        background: rgba(64, 153, 255, 0.2);
    }
    .step-node:last-child::after { display: none; }
    /* 页脚 */
    .site-footer {
        background: #040710;
        border-top: 1px solid var(--border-glass);
        padding: 60px 0 30px 0;
        color: var(--text-muted);
    }
    .footer-brand-title {
        color: #ffffff;
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    @media screen and (max-width: 768px) {
        .section-title { font-size: 1.6rem; }
        .hero-actions-group { flex-direction: column; }
        .btn-glow, .btn-outline { width: 100%; }
    }