/* roulang page: index */
:root {
            --bg-dark: #0B0F17;
            --bg-card: #141B26;
            --wafer-cyan: #0EA5E9;
            --amber-gold: #F59E0B;
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
            --border-line: #222F3E;
        }
        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .circuit-pattern {
            background-image: radial-gradient(rgba(14, 165, 233, 0.08) 1px, transparent 0);
            background-size: 24px 24px;
        }
        .gold-circuit-pattern {
            background-image: radial-gradient(rgba(245, 158, 11, 0.06) 1px, transparent 0);
            background-size: 28px 28px;
        }
        .tab-btn.active {
            border-bottom: 2px solid #0EA5E9;
            color: #0EA5E9;
            background: rgba(14, 165, 233, 0.05);
        }
        /* 原生折叠细节样式 */
        details summary::-webkit-details-marker {
            display:none;
        }