:root{--bg:#f6f7f9;--surface:#fff;--surface2:#f1f3f5;--border:#e7e9ee;--text:#16191d;--muted:#69707a;--accent:#2563eb;--accent-soft:#eaf1ff;--green:#15a34a;--amber:#c2820a;--shadow:0 1px 2px rgba(20,23,28,.05),0 6px 20px rgba(20,23,28,.05)}[data-theme=dark]{--bg:#0e1014;--surface:#161a20;--surface2:#1d222a;--border:#272d37;--text:#e8eaed;--muted:#99a1ad;--accent:#5b8cff;--accent-soft:#16203a;--green:#3fbf6a;--amber:#e0a83a;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35)}*{box-sizing:border-box}body,html{margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;cursor:pointer}button{font-family:inherit}.container{max-width:1080px;margin:0 auto;padding:0 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