:root{color-scheme:light;--bg:#f6f7f9;--panel:#ffffff;--text:#1d2430;--muted:#697386;--line:#dbe1ea;--primary:#176b87;--primary-dark:#10546a;--danger:#b42318;--danger-bg:#fff2f1;--ok-bg:#ecfdf3}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Arial,Microsoft YaHei,sans-serif}button,input,textarea{font:inherit}a{color:inherit}.page{min-height:100vh;padding:32px}.shell{width:min(1120px,100%);margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(23,36,48,.06)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border:1px solid transparent;border-radius:6px;background:var(--primary);color:white;cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:white;border-color:var(--line);color:var(--text)}.btn.secondary:hover{background:#f0f3f7}.btn.danger{background:var(--danger-bg);border-color:#fecdca;color:var(--danger)}.btn:disabled{cursor:not-allowed;opacity:.6}.field{display:grid;grid-gap:7px;gap:7px}.field label{color:var(--muted);font-size:14px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:10px 11px;background:white;color:var(--text)}.field textarea{min-height:86px;resize:vertical}.muted{color:var(--muted)}.message{border-radius:6px;padding:10px 12px;background:#eef7ff;color:#124e73}.message.error{background:var(--danger-bg);color:var(--danger)}@media (max-width:720px){.page{padding:18px}}