/* roulang page: index */
:root {
            --color-navy: #0F172A;
            --color-dark: #0B1120;
            --color-emerald: #10B981;
            --color-cyan: #06B6D4;
        }
        body {
            color: #334155;
            background-color: #FFFFFF;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.95) 0%, rgba(15, 23, 42, 0.85) 100%);
        }
        .card-glow {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-glow:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(6, 182, 212, 0.2);
            border-color: #06B6D4;
        }
        .flash-pill {
            animation: pulse-border 2s infinite;
        }
        @keyframes pulse-border {
            0%, 100% { border-color: rgba(16, 185, 129, 0.4); }
            50% { border-color: rgba(6, 182, 212, 0.9); }
        }