/* roulang page: index */
:root {
            --primary: #0D5C4D;
            --primary-dark: #083D33;
            --accent: #E67E22;
            --bg-base: #F8FAF9;
            --dark-surface: #112520;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-body);
            overflow-x: hidden;
        }
        .code-syntax {
            font-family: "Fira Code", Consolas, Monaco, "Courier New", Courier, monospace;
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: rgba(13, 92, 77, 0.2);
            border-radius: 4px;
        }
        .custom-scrollbar::-webkit-scrollbar-track {
            background: rgba(0,0,0,0.03);
        }