:root{--nav:#142d3b;--ink:#213943;--muted:#71828c;--bg:#f3f6f7;--line:#e2e9eb;--teal:#17746b;--soft:#e9f3ef;--white:#fff}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:14px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button,input,select,textarea,a{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #79bdb0}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,p{margin:0}h1{letter-spacing:-.5px;font-size:25px;font-weight:650;line-height:1.45}h2{margin-bottom:13px;font-size:17px;font-weight:650;line-height:1.5}h3{margin:10px 0;font-size:16px;font-weight:600}p{margin:9px 0}.app-shell{grid-template-columns:224px 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