/* roulang page: index */
:root {
            --primary: #0E7490;
            --primary-dark: #155E75;
            --accent: #F97316;
            --accent-green: #10B981;
            --dark-navy: #0F172A;
            --bg-light: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            line-height: 1.75;
        }
        .hero-blackgold-gradient {
            background: radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.15) 0%, transparent 50%),
                        linear-gradient(135deg, #090D16 0%, #0F172A 60%, #1E1B4B 100%);
        }
        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover-effect:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(14, 116, 144, 0.15);
        }
        .gold-badge {
            background: linear-gradient(135deg, #FDE68A 0%, #D97706 100%);
            color: #78350F;
        }
        .gold-border-glow {
            border: 1px solid rgba(217, 119, 6, 0.3);
            box-shadow: 0 0 15px rgba(217, 119, 6, 0.08);
        }