/* roulang page: index */
:root {
            --primary: #4F46E5;
            --primary-light: #7C3AED;
            --accent: #F59E0B;
            --dark: #0F172A;
            --text-main: #0F172A;
            --text-muted: #475569;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
        }
        .hero-bg-overlay {
            background: linear-gradient(105deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 27, 75, 0.9) 60%, rgba(79, 70, 229, 0.8) 100%), url('/assets/images/a5b8465d801d69c6.webp') center/cover no-repeat;
        }
        .bento-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .glass-header {
            backdrop-filter: blur(12px);
            background-color: rgba(255, 255, 255, 0.92);
        }