/* roulang page: index */
:root {
            --primary: #1E293B;
            --brand-orange: #F97316;
            --accent-green: #10B981;
            --dark-bg: #0F172A;
            --light-bg: #F8FAFC;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #ffffff;
            line-height: 1.75;
        }
        .text-balance {
            text-wrap: balance;
        }
        .glass-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -4px rgba(15, 23, 42, 0.08);
        }