:root{--nav-bg:#333;--nav-text:#ccc;--brand-red:#e62129;--accent-red:#ff5151;--text-dark:#333;--text-muted:#666;--text-light:#999;--footer-text:#959595;--footer-heading:#cdcdcd;--section-gray:#f5f5f5;--search-btn:#c00;--content-width:1200px;--page-bg:#fff}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{color:var(--text-dark);background:var(--page-bg);font-family:Microsoft YaHei,PingFang SC,Segoe UI,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.content-width{width:min(100% - 32px, var(--content-width));margin:0 auto}.section-title{text-align:center;color:var(--text-dark);margin:28px 0 18px;font-size:28px;font-weight:500}.btn-primary{background:var(--brand-red);color:#fff;cursor:pointer;border:0;border-radius:4px;justify-content:center;align-items:center;height:44px;padding:0 18px;font-weight:500;display:inline-flex}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{height:40px;color:var(--brand-red);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;padding:0 12px;display:inline-flex}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field input,.field select,.field textarea{background:#fff;border:1px solid #d9d9d9;border-radius:4px;height:40px;padding:0 12px}.field textarea{height:auto;padding:10px 12px}.err{color:#cf1322;margin:0 0 12px}.ok{color:#389e0d;margin:0 0 12px}.muted{color:var(--text-muted)}.card{background:#fff;border-radius:6px;padding:24px;box-shadow:0 2px 12px #0000000f}.page-pad{background:#f0f0f0;min-height:480px;padding:32px 0 48px}