/* roulang page: index */
:root {
            --primary: #0EA5E9;
            --primary-gradient: linear-gradient(135deg, #0EA5E9 0%, #10B981 100%);
            --navy-dark: #0B0F19;
            --navy-card: #131B2E;
            --text-main: #0F172A;
            --text-muted: #64748B;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #F8FAFC;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(11, 15, 25, 0.88), rgba(11, 15, 25, 0.94)), url('/assets/images/041b86e9269a58aa.webp');
            background-size: cover;
            background-position: center;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }
        .dark-glass-card {
            background: rgba(19, 27, 46, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(51, 65, 85, 0.6);
        }
        .gradient-text {
            background: linear-gradient(135deg, #38BDF8 0%, #34D399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-glow {
            box-shadow: 0 0 25px -5px rgba(14, 165, 233, 0.3);
        }