:root{--ink:#19332d;--muted:#6c7b77;--cream:#f4f1e9;--paper:#fffefa;--line:#dedbd1;--coral:#f2694b;--coral-dark:#d94c31;--gold:#d6a45f;--green-soft:#dfe9e3;--text-xs:clamp(11px, .66vw, 12px);--text-sm:clamp(12px, .74vw, 14px);--text-md:clamp(14px, .86vw, 16px)}*{box-sizing:border-box}html,body{background:var(--cream);min-height:100%;color:var(--ink);margin:0}body{font-family:Microsoft YaHei UI,PingFang SC,system-ui,sans-serif;font-size:14px;line-height:1.45}button,input,textarea,select{font:inherit}button,label[for]{-webkit-tap-highlight-color:transparent}button{color:inherit}.app-shell{background:radial-gradient(circle at 72% -12%,#ffffffeb,#0000 34%),linear-gradient(135deg,#f7f3eb 0%,#f2efe7 100%);min-height:100vh}.topbar{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:20;background:#fffefaf5;justify-content:flex-start;align-items:center;height:70px;padding:0 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