:root{color-scheme:light;--bg:#f5f6fa;--paper:#fff;--ink:#182134;--muted:#778195;--line:#e9ecf3;--accent:#5368e8;--warm:#ed753d;--shadow:0 6px 24px #17224107;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;color:inherit;background:none}button:disabled{cursor:wait;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #5368e877;outline-offset:3px}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}h1,h2,h3,p{margin:0}h1{font-size:24px;line-height:1.4;letter-spacing:-.5px}h2{font-size:18px}h3{font-size:15px}.app-shell{max-width:920px;margin:auto;min-height:100dvh;padding:0 18px calc(94px + 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