/* roulang page: index */
:root {
            --brand-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
            --gold-gradient: linear-gradient(135deg, #D97706 0%, #F59E0B 50%, #FBBF24 100%);
            --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
            --card-hover-shadow: 0 20px 35px -5px rgba(79, 70, 229, 0.15), 0 10px 15px -5px rgba(6, 182, 212, 0.1);
        }
        html { scroll-behavior: smooth; }
        body { font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; background-color: #F8FAFC; color: #1E293B; }
        .gradient-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .gold-gradient-text {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-brand {
            background: var(--brand-gradient);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-brand:hover {
            box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
            transform: translateY(-2px);
        }
        .card-box {
            background: #FFFFFF;
            border: 1px solid rgba(226, 232, 240, 0.9);
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }
        .card-box:hover {
            box-shadow: var(--card-hover-shadow);
            transform: translateY(-4px);
            border-color: rgba(79, 70, 229, 0.3);
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(79, 70, 229, 0.08);
            color: #4F46E5;
            border: 1px solid rgba(79, 70, 229, 0.15);
        }
        .badge-pulse {
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 9999px;
            background-color: #10B981;
            margin-right: 0.375rem;
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulse-green 2s infinite;
        }
        @keyframes pulse-green {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }