/* roulang page: index */
:root {
            --primary: #00D285;
            --primary-dark: #00A366;
            --secondary: #FF5500;
            --dark: #0F172A;
            --surface: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #F8FAFC;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.82) 100%);
        }
        .circuit-pattern {
            background-image: radial-gradient(rgba(0, 210, 133, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }