/* roulang page: index */
:root {
            --color-primary: #0A192F;
            --color-accent: #10B981;
            --color-cyan: #06B6D4;
            --color-bg-alt: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1E293B;
            background-color: #FFFFFF;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(7, 15, 30, 0.92) 0%, rgba(10, 25, 47, 0.85) 100%);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }