:root{--paper:#f8f7f3;--ink:#17282b;--muted:#667171;--line:#dedfd8;--white:#fff;--accent:#c45d3f;--accent-dark:#a44229;--warm:#f6e9e1;--wash:#eff1eb;--error:#a52f2c;--radius:18px;--shadow:0 10px 30px #17282b07;font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:var(--ink);font-size:16px;line-height:1.6;background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,summary,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-underline-offset:4px}button:disabled{cursor:wait;opacity:.5}input,select,textarea{width:100%;color:var(--ink);background:var(--white);border:1px solid #bec6c1;border-radius:10px;padding:12px 14px;min-height:48px}textarea{resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--ink);outline:3px solid #17282b18;outline-offset:2px}:focus-visible{outline:3px solid 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