/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
            --glow-border: rgba(6, 182, 212, 0.35);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #F8FAFC;
            color: #1E293B;
            overflow-x: hidden;
        }
        .bg-brand-gradient {
            background: var(--primary-gradient);
        }
        .text-brand-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .card-custom {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 35px -10px rgba(6, 182, 212, 0.15);
            border-color: rgba(6, 182, 212, 0.45);
        }