/* roulang page: index */
:root {
            --primary: #0F2C59;
            --accent: #00A88F;
            --info: #0284C7;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-main);
            background-color: #ffffff;
            line-height: 1.8;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-overlay {
            background: linear-gradient(135deg, rgba(15, 44, 89, 0.95) 0%, rgba(11, 25, 44, 0.88) 100%);
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 25px -5px rgba(15, 44, 89, 0.1), 0 10px 10px -5px rgba(15, 44, 89, 0.04);
        }
        .clip-glow {
            box-shadow: 0 0 50px -10px rgba(0, 168, 143, 0.3);
        }