/* roulang page: index */
:root {
            --bg-pitch: #0B1118;
            --turf-green: #10B981;
            --amber-highlight: #F59E0B;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
            background-color: #F8FAFC;
            color: #1E293B;
            overflow-x: hidden;
        }
        .code-font {
            font-family: 'JetBrains Mono', monospace;
        }
        /* Details summary 展开动效 */
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .stream-glow {
            box-shadow: 0 0 25px rgba(16, 185, 129, 0.2);
        }