body{margin:0;min-height:100vh;background:linear-gradient(135deg,#eef6ff,#fff 52%,#f8fafc);font-family:Arial,"Microsoft YaHei",sans-serif;color:#1f2937}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px}.auth-card{width:min(420px,calc(100vw - 32px));background:#fff;border:1px solid #eef2f7;border-radius:18px;padding:34px;box-shadow:0 18px 45px rgba(15,23,42,.08)}.brand{display:flex;align-items:center;gap:10px;margin-bottom:28px}.logo{width:38px;height:38px;border-radius:12px;background:#1677ff;color:#fff;display:grid;place-items:center;font-weight:700}h1{margin:0 0 8px;font-size:26px}.desc{margin:0 0 24px;color:#667085}.field{margin-bottom:15px}.field label{display:block;margin-bottom:8px;font-size:14px;color:#344054}.field input{box-sizing:border-box;width:100%;height:42px;border:1px solid #d0d5dd;border-radius:8px;padding:0 12px;font-size:14px;outline:none}.field input:focus{border-color:#1677ff;box-shadow:0 0 0 3px rgba(22,119,255,.12)}.btn{width:100%;height:42px;border:0;border-radius:8px;cursor:pointer;font-size:15px}.btn.primary{background:#1677ff;color:#fff}.btn:disabled{opacity:.65;cursor:wait}.links{margin-top:16px;display:flex;justify-content:space-between;font-size:13px}.links a{color:#1677ff;text-decoration:none}.tip{min-height:22px;margin:14px 0 0;color:#d92d20;font-size:13px}.register-only{display:none}body.register-mode .register-only{display:block}