.dc-wrap{max-width:980px;margin:0 auto 48px;padding:16px 12px 40px;color:#1a2332}
.dc-lang{text-align:right;font-size:13px;margin-bottom:8px}
.dc-lang a{color:#5b6b7c;text-decoration:none;padding:2px 6px}
.dc-lang a.on{color:#0b5fff;font-weight:700}
.dc-crumb{font-size:13px;color:#6b7a8c;margin-bottom:18px}
.dc-crumb a{color:#3d4f63;text-decoration:none}
.dc-crumb span{margin:0 6px;color:#9aa8b6}
.dc-hero{padding:8px 0 20px;border-bottom:1px solid #e6ebf0;margin-bottom:22px}
.dc-eyebrow{margin:0 0 8px;font-size:13px;letter-spacing:.04em;color:#0b5fff;font-weight:600}
.dc-hero h1,.dc-tool h1{margin:0 0 10px;font-size:28px;line-height:1.25;color:#0f1b2d}
.dc-lead{margin:0;color:#5b6b7c;font-size:15px;line-height:1.6;max-width:46em}
.dc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.dc-grid-sm{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.dc-card{display:flex;flex-direction:column;gap:6px;padding:18px 16px;border:1px solid #e3e9ef;border-radius:10px;background:linear-gradient(180deg,#fff 0%,#f7fafc 100%);text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.dc-card:hover{border-color:#9ec0ff;box-shadow:0 8px 24px rgba(11,95,255,.08);transform:translateY(-1px)}
.dc-card-icon{font-size:22px}
.dc-card strong{font-size:16px;color:#0f1b2d}
.dc-card span{font-size:13px;color:#667788;line-height:1.5}
.dc-tool{padding-top:4px}
.dc-form{display:grid;gap:12px;margin:18px 0;padding:16px;background:#f5f8fb;border:1px solid #e3e9ef;border-radius:10px}
.dc-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#3d4f63;font-weight:600}
.dc-form input,.dc-form select{height:40px;padding:0 10px;border:1px solid #cfd8e3;border-radius:8px;font-size:14px;font-weight:400;background:#fff}
.dc-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dc-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.dc-actions{display:flex;gap:10px;flex-wrap:wrap}
.dc-btn{appearance:none;border:0;background:#0b5fff;color:#fff;height:40px;padding:0 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
.dc-btn:hover{background:#094fd6}
.dc-btn.ghost{background:#fff;color:#0b5fff;border:1px solid #9ec0ff}
.dc-result{margin:16px 0;padding:16px;border-radius:10px;background:#eef6ff;border:1px solid #cfe0ff}
.dc-result h2,.dc-h2{margin:0 0 10px;font-size:18px}
.dc-result ul{list-style:none;margin:0;padding:0}
.dc-result li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed #d7e4f7;font-size:14px}
.dc-result li:last-child{border-bottom:0}
.dc-tip,.dc-disclaimer{font-size:12px;color:#7a8a9a;line-height:1.6;margin:16px 0}
.dc-disclaimer{padding-top:12px;border-top:1px solid #e6ebf0}
.dc-table-wrap{overflow:auto}
.dc-table{width:100%;border-collapse:collapse;font-size:13px;margin:12px 0 20px;background:#fff}
.dc-table th,.dc-table td{border:1px solid #e3e9ef;padding:8px 10px;text-align:left;vertical-align:top}
.dc-table th{background:#f0f4f8;color:#334155}
.dc-tabs{display:flex;gap:8px;flex-wrap:wrap}
.dc-tabs button{border:1px solid #cfd8e3;background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer}
.dc-tabs button.on{background:#0b5fff;border-color:#0b5fff;color:#fff}
.dc-related{margin-top:28px}
.dc-seo-faq{margin:24px 0;padding:16px;border:1px solid #e3e9ef;border-radius:10px;background:#fafcfd}
.dc-seo-faq h2{margin:0 0 10px;font-size:18px}
.dc-seo-faq p{font-size:14px;line-height:1.7;color:#445566}
.dc-seo-faq details{margin:8px 0;padding:8px 10px;background:#fff;border:1px solid #e8eef4;border-radius:8px}
.dc-seo-faq summary{cursor:pointer;font-weight:600;color:#0f1b2d}
.dc-hr{border:0;border-top:1px solid #d9e2ec;margin:4px 0}
@media (max-width:720px){
  .dc-wrap{padding:10px 4px 32px;margin-bottom:24px}
  /* 顶栏已有中英切换，工具页内重复语言链收起 */
  .dc-lang{display:none}

  .dc-crumb{font-size:12px;line-height:1.5;margin-bottom:12px}
  .dc-hero{padding:4px 0 14px;margin-bottom:14px}
  .dc-hero h1,.dc-tool h1{font-size:22px}
  .dc-lead{font-size:14px}
  .dc-grid{grid-template-columns:1fr;gap:10px}
  .dc-grid-sm{grid-template-columns:1fr 1fr}
  .dc-card{padding:16px 14px;border-radius:12px;min-height:44px}
  .dc-card:hover{transform:none}
  .dc-row2,.dc-row3{grid-template-columns:1fr}
  .dc-form{padding:14px 12px;gap:14px;margin:12px 0}
  .dc-form input,.dc-form select,.dc-btn{height:44px;font-size:16px}
  .dc-actions{flex-direction:column}
  .dc-actions .dc-btn{width:100%}
  .dc-result li{flex-direction:column;align-items:flex-start;gap:4px}
  .dc-tabs{gap:6px}
  .dc-tabs button{min-height:40px;padding:8px 14px;border-radius:10px;font-size:14px}
  .dc-table{font-size:12px}
  .dc-table th,.dc-table td{padding:8px 6px}
  .dc-seo-faq{padding:12px}
  .dc-seo-faq details{padding:10px}
  .dc-seo-faq summary{min-height:40px;display:flex;align-items:center}
}