/* roulang page: index */
:root {
            --brand-primary: #059669;
            --brand-secondary: #ea580c;
            --bg-base: #f8fafc;
            --text-dark: #0f172a;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-dark);
            -webkit-font-smoothing: antialiased;
        }
        .hero-banner-mask {
            background: linear-gradient(105deg, rgba(2, 44, 34, 0.95) 0%, rgba(6, 78, 59, 0.88) 50%, rgba(15, 23, 42, 0.85) 100%);
        }
        .bento-card {
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 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);
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .accordion-content.open {
            max-height: 250px;
            opacity: 1;
        }