:root{--ink: #1f2937;--ink-soft: #64748b;--line: #e2e8f0;--bg: #f6f8fa;--card: #ffffff;--brand: #0f6b5c;--brand-dark: #0b5247;--brand-soft: #e6f4f1;--warn: #b45309;--warn-bg: #fffbeb;--fail: #b91c1c;--fail-bg: #fef2f2;--ok: #15803d;--ok-bg: #f0fdf4}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--ink: #e5e7eb;--ink-soft: #94a3b8;--line: #334155;--bg: #0f172a;--card: #1e293b;--brand: #34d399;--brand-dark: #6ee7b7;--brand-soft: #134e4a;--warn: #fbbf24;--warn-bg: #3f2e0a;--fail: #fca5a5;--fail-bg: #451a1a;--ok: #86efac;--ok-bg: #14301f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Noto Sans TC,Microsoft JhengHei,PingFang TC,system-ui,sans-serif;font-size:17px;line-height:1.55}.muted{color:var(--ink-soft)}.small-text{font-size:15px}.app-header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.app-header-inner{max-width:1100px;margin:0 auto;padding:10px 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100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}}