:root{--primary: #4c6fff;--bg: #f6f7fb;--card: #ffffff;--text: #1c2333;--muted: #7a8499;--border: #e6e9f2;--danger: #e5484d;--ok: #2fa76f}*{box-sizing:border-box}body{margin:0;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;background:var(--bg);color:var(--text)}button{font:inherit;cursor:pointer;border:none;border-radius:8px;padding:8px 16px}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-ghost{background:#edf1ff;color:var(--primary)}.btn-danger{background:#fdebec;color:var(--danger)}.btn-plain{background:#f1f3f7;color:#516078}input,select,textarea{font:inherit;border:1px solid var(--border);border-radius:8px;padding:9px 12px;background:#fff;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:13px;color:var(--muted)}.field-error{color:var(--danger);font-size:12px}.card{background:var(--card);border-radius:14px;padding:20px;border:1px solid var(--border)}.page{max-width:1080px;margin:0 auto;padding:24px}.page-title{font-size:20px;font-weight:700;margin:0 0 18px}.muted{color:var(--muted);font-size:13px}