:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#1c263d;background:#f7f9fc;font-size:16px;--blue:#2b5cff;--muted:#69758a;--line:#e5eaf2}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #99b2ff;outline-offset:3px}header{height:80px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:28px;padding:0 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