/* roulang page: index */
:root {
            --primary: #0052D9;
            --primary-hover: #003CAB;
            --accent-blue: #00A3FF;
            --accent-green: #00B578;
            --bg-soft: #F7F9FC;
            --text-main: #1D2129;
            --text-muted: #4E5969;
            --border-light: #E5E8EF;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-soft);
            color: var(--text-main);
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .code-syntax {
            font-family: Consolas, Monaco, "Courier New", monospace;
        }