/* roulang page: index */
:root {
            --brand-primary: #1e40af;
            --brand-dark: #0f172a;
            --brand-teal: #0d9488;
            --brand-orange: #ea580c;
            --bg-light: #f8fafc;
            --border-color: #e2e8f0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #ffffff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-gold-gradient {
            background: radial-gradient(circle at top right, rgba(217, 119, 6, 0.15), transparent 50%),
                        linear-gradient(135deg, #090d16 0%, #111827 60%, #1e293b 100%);
        }
        .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(15, 23, 42, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(51, 65, 85, 0.6);
        }