/* roulang page: index */
:root {
            --primary: #00BFA5;
            --accent-blue: #0066FF;
            --accent-orange: #FF6B00;
            --dark-navy: #0F172A;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #F8FAFC;
            color: #334155;
            overflow-x: hidden;
        }
        .hero-gradient {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.85) 100%);
        }
        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover-effect:hover {
            transform: translateY(-5px);
            box-shadow: 0 16px 32px -8px rgba(0, 191, 165, 0.12);
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 191, 165, 0.4);
        }