/* roulang page: index */
:root {
            --primary: #5c35ff;
            --primary-hover: #4823db;
            --secondary: #00d2ff;
            --dark: #0f111a;
            --dark-card: #181c2a;
            --dark-border: #262c40;
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
            --accent: #ff007a;
            --border-radius-sm: 8px;
            --border-radius: 14px;
            --border-radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 顶部导航 */
        .site-header {
            background: rgba(15, 17, 26, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--dark-border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .nav-link {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.05);
        }

        /* 通用区块与卡片 */
        .section-padding {
            padding: 70px 0;
        }
        .section-bg-alt {
            background-color: #131722;
        }
        .section-title-wrap {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: #fff;
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto;
            font-size: 0.98rem;
        }
        .glass-card {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--border-radius);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(92, 53, 255, 0.5);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }

        /* 按钮与徽章 */
        .btn-custom-primary {
            background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(92, 53, 255, 0.35);
            transition: var(--transition);
        }
        .btn-custom-primary:hover {
            background: linear-gradient(135deg, var(--primary-hover) 0%, #7c3aed 100%);
            color: #fff;
            box-shadow: 0 6px 20px rgba(92, 53, 255, 0.5);
        }
        .badge-subtle {
            background: rgba(92, 53, 255, 0.15);
            color: var(--secondary);
            border: 1px solid rgba(0, 210, 255, 0.3);
            padding: 4px 12px;
            font-size: 0.78rem;
            border-radius: 20px;
        }

        /* 蓝图：Hero 路线图预告 */
        .hero-roadmap {
            padding: 85px 0 65px;
            background: radial-gradient(circle at 50% 10%, rgba(92, 53, 255, 0.18) 0%, transparent 60%);
            border-bottom: 1px solid var(--dark-border);
        }
        .roadmap-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 36px;
        }
        .roadmap-node {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            padding: 18px;
            border-radius: var(--border-radius);
            position: relative;
        }
        .roadmap-node.active {
            border-color: var(--secondary);
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.2);
        }
        .roadmap-node .version {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
        }

        /* 蓝图：联盟推广物料 & 佣金 */
        .affiliate-badge {
            background: linear-gradient(90deg, #ff007a 0%, #7928ca 100%);
            color: #fff;
            padding: 2px 8px;
            font-size: 0.72rem;
            border-radius: 4px;
        }

        /* 表单输入 */
        .form-control-custom {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--dark-border);
            color: #fff;
            padding: 12px 16px;
            border-radius: var(--border-radius-sm);
        }
        .form-control-custom:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--primary);
            color: #fff;
            box-shadow: none;
        }

        /* 页脚 */
        .site-footer {
            background: #090a0f;
            border-top: 1px solid var(--dark-border);
            padding: 50px 0 25px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        @media (max-width: 992px) {
            .roadmap-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .roadmap-timeline {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #5c35ff;
        --primary-hover: #4823db;
        --secondary: #00d2ff;
        --dark: #0f111a;
        --dark-card: #181c2a;
        --dark-border: #262c40;
        --text-light: #f8fafc;
        --text-muted: #94a3b8;
        --accent: #ff007a;
        --border-radius-sm: 8px;
        --border-radius: 14px;
        --border-radius-lg: 20px;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        background-color: var(--dark);
        color: var(--text-light);
        line-height: 1.65;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--secondary);
    }
    .site-header {
        background: rgba(15, 17, 26, 0.85);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--dark-border);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    .navbar-brand {
        font-size: 1.45rem;
        font-weight: 800;
        background: linear-gradient(135deg, #fff 0%, var(--secondary) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        letter-spacing: -0.5px;
    }
    .nav-link {
        color: var(--text-muted) !important;
        font-weight: 500;
        padding: 0.5rem 1rem !important;
        border-radius: var(--border-radius-sm);
        transition: var(--transition);
    }
    .nav-link:hover, .nav-link.active {
        color: #fff !important;
        background: rgba(255, 255, 255, 0.05);
    }
    .section-padding {
        padding: 70px 0;
    }
    .section-bg-alt {
        background-color: #131722;
    }
    .section-title-wrap {
        margin-bottom: 40px;
    }
    .section-title {
        font-size: 2rem;
        font-weight: 700;
        letter-spacing: -0.5px;
        margin-bottom: 12px;
        color: #fff;
    }
    .section-desc {
        color: var(--text-muted);
        max-width: 680px;
        margin: 0 auto;
        font-size: 0.98rem;
    }
    .glass-card {
        background: var(--dark-card);
        border: 1px solid var(--dark-border);
        border-radius: var(--border-radius);
        padding: 24px;
        transition: var(--transition);
        height: 100%;
        position: relative;
    }
    .glass-card:hover {
        transform: translateY(-4px);
        border-color: rgba(92, 53, 255, 0.5);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    }
    .btn-custom-primary {
        background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
        color: #fff;
        border: none;
        padding: 10px 24px;
        border-radius: var(--border-radius-sm);
        font-weight: 600;
        box-shadow: 0 4px 14px rgba(92, 53, 255, 0.35);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .btn-custom-primary:hover {
        background: linear-gradient(135deg, var(--primary-hover) 0%, #7c3aed 100%);
        color: #fff;
        box-shadow: 0 6px 20px rgba(92, 53, 255, 0.5);
    }
    .badge-subtle {
        background: rgba(92, 53, 255, 0.15);
        color: var(--secondary);
        border: 1px solid rgba(0, 210, 255, 0.3);
        padding: 4px 12px;
        font-size: 0.78rem;
        border-radius: 20px;
    }
    .hero-category {
        padding: 60px 0 50px;
        background: radial-gradient(circle at 50% 0%, rgba(92, 53, 255, 0.22) 0%, transparent 70%);
        border-bottom: 1px solid var(--dark-border);
    }
    .category-filter-btn {
        background: #181c2a;
        border: 1px solid var(--dark-border);
        color: var(--text-muted);
        padding: 6px 18px;
        border-radius: 20px;
        font-size: 0.88rem;
        cursor: pointer;
        transition: var(--transition);
    }
    .category-filter-btn:hover, .category-filter-btn.active {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .stat-badge-inline {
        background: rgba(0, 210, 255, 0.1);
        color: var(--secondary);
        border: 1px solid rgba(0, 210, 255, 0.2);
        padding: 2px 10px;
        border-radius: 6px;
        font-size: 0.75rem;
    }
    .table-custom {
        width: 100%;
        color: var(--text-light);
        border-collapse: separate;
        border-spacing: 0 8px;
    }
    .table-custom tr {
        background: var(--dark-card);
        border: 1px solid var(--dark-border);
        border-radius: var(--border-radius-sm);
        transition: var(--transition);
    }
    .table-custom tr:hover {
        background: #1d2233;
        border-color: rgba(92, 53, 255, 0.4);
    }
    .table-custom td, .table-custom th {
        padding: 16px 20px;
        border: none;
        vertical-align: middle;
    }
    .table-custom th {
        color: var(--text-muted);
        font-size: 0.85rem;
        font-weight: 600;
        background: transparent;
        padding-top: 0;
    }
    .site-footer {
        background: #090a0f;
        border-top: 1px solid var(--dark-border);
        padding: 50px 0 25px;
        color: var(--text-muted);
        font-size: 0.9rem;
    }
    @media (max-width: 768px) {
        .section-title {
            font-size: 1.6rem;
        }
    }