:root{--bg: #f7f4ef;--surface: #fffdf9;--ink: #1c1a17;--ink-2: #57504a;--dim: #8a8178;--line: #e8e2d8;--line-strong: #d8d0c4;--accent: #d9532b;--accent-ink: #b8431f;--accent-tint: #fbeae4;--font-serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", Georgia, "Times New Roman", serif;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;--maxw: 1180px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;overflow-x:hidden}#root{position:relative}.app{display:flex;flex-direction:column;min-height:100vh}.main{flex:1;width:100%}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 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