/* roulang page: index */
:root {
            --primary-cyan: #00D2B4;
            --primary-purple: #6366F1;
            --dark-bg: #0F172A;
            --light-bg: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #FFFFFF;
            color: var(--text-main);
            overflow-x: hidden;
        }
        .gradient-brand {
            background: linear-gradient(135deg, #00D2B4 0%, #6366F1 100%);
        }
        .gradient-brand-subtle {
            background: linear-gradient(135deg, rgba(0, 210, 180, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
        }
        .card-elevated {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
        }
        .card-elevated:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 210, 180, 0.15);
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 600;
        }
        .badge-cyan {
            background-color: rgba(0, 210, 180, 0.12);
            color: #00A68F;
        }
        .badge-purple {
            background-color: rgba(99, 102, 241, 0.12);
            color: #4F46E5;
        }
        .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 9999px;
            background-color: currentColor;
        }