:root{--ink:#1c2622;--muted:#6c7771;--paper:#f6f4ee;--card:#fffdf8;--green:#183f35;--mint:#cbe4d5;--gold:#c99345;--line:#dedfd7;--danger:#a84b42;--shadow:0 16px 50px rgba(29,48,40,.09)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font-family:Microsoft YaHei UI,PingFang SC,system-ui,sans-serif}button,input,select,textarea{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.demo-ribbon{display:inline-flex;gap:7px;align-items:center;padding:6px 10px;border:1px solid rgba(201,147,69,.4);border-radius:999px;color:#805b28;background:#fff6e5;font-size:12px;font-weight:700;letter-spacing:.04em}.dot{width:8px;height:8px;border-radius:50%;background:#2aa36b;box-shadow:0 0 0 5px rgba(42,163,107,.12)}.home{min-height:100vh;background:radial-gradient(circle at 85% 8%,#d9ecdf 0,transparent 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