:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#142c36;background:#f4f8f7;color-scheme:light}*{box-sizing:border-box}body{margin:0}a{color:#087f91;text-decoration:none}a:focus-visible{outline:3px solid #087f91;outline-offset:4px}header,footer{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1120px;margin:auto;padding:24px}header{font-size:15px;border-bottom:1px solid #d8e4e2}main{max-width:1120px;padding:28px 24px 60px;margin:auto}nav{color:#536d75;font-size:13px;margin-bottom:24px}article{background:#fff;border:1px solid #d8e4e2;display:grid;grid-template-columns:minmax(200px,.8fr) minmax(0,1.2fr);gap:40px;padding:40px;border-radius:8px}h1{font-size:28px;margin:0 0 20px}p{line-height:1.8;font-size:15px;white-space:pre-line;overflow-wrap:anywhere}.product-art{display:grid;place-items:center;background:#edf8f5;min-height:250px;border-radius:8px}.product-art img{max-width:80%;max-height:300px;object-fit:contain}table{border-collapse:collapse;width:100%;margin:24px 0}caption{text-align:left;font-weight:600;margin-bottom:12px}td,th{text-align:left;padding:14px 8px;border-bottom:1px solid #d8e4e2;font-size:14px}th{background:#f4f8f7;font-weight:500}.buy{display:inline-flex;align-items:center;min-height:44px;padding:12px 24px;color:white;background:#087f91;border-radius:6px;font-weight:600}.hint,footer{font-size:13px;color:#536d75}.notice{background:#fff8e5;border-left:3px solid #bd8b20;padding:12px 16px}@media(max-width:700px){article{grid-template-columns:1fr;padding:20px;gap:24px}.product-art{min-height:180px}.product-art img{max-height:180px}main{padding:20px 16px}h1{font-size:23px}header,footer{padding:20px 16px}}
@media(max-width:640px){
  header,footer{flex-wrap:wrap;gap:12px;font-size:13px}
  header a,footer a{display:inline-flex;align-items:center;min-height:44px}
  article{padding:18px 16px;gap:20px;min-width:0}article>div{min-width:0}
  td,th{overflow-wrap:anywhere;padding:12px 6px;font-size:13px}
  h1{font-size:22px;line-height:1.4;overflow-wrap:anywhere}.buy{width:100%;justify-content:center}
}