:root{--bg: #f6f0e4;--bg-2: #eee4d1;--surface: #fffdf8;--ink: #3a2f22;--ink-2: #8a7a64;--ink-3: #bbaa8f;--line: #e5d9c2;--primary: #4f3d28;--primary-ink: #3a2c1b;--primary-soft: #ece0c8;--primary-soft-2: #dccbb0;--gold: #bd8a3e;--gold-soft: #f3e6cb;--danger: #a5453a;--danger-soft: #f4e3df;--radius: 20px;--radius-sm: 14px;--shadow-sm: 0 1px 2px rgba(60, 46, 30, .06), 0 6px 18px rgba(60, 46, 30, .06);--shadow-md: 0 2px 6px rgba(60, 46, 30, .08), 0 18px 46px rgba(60, 46, 30, .12);--font-display: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", Georgia, serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:12px 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