.detail-page{background:linear-gradient(180deg,#f4f8fb 0,#fff 320px)}.detail-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,.75fr);gap:28px;align-items:start}.detail-main,.detail-seller{background:#fff;border:1px solid #dbe4eb;border-radius:22px;box-shadow:0 16px 40px rgba(15,40,61,.08)}.detail-main{padding:28px}.detail-back{display:inline-block;margin-bottom:18px;color:#0d2b43;font-weight:700}.detail-media{display:grid;place-items:center;width:100%;aspect-ratio:16/9;max-height:520px;margin-bottom:24px;overflow:hidden;border-radius:16px;background:#eef5f6;font-size:72px}.detail-media img{width:100%;height:100%;object-fit:contain;background:#fff}.detail-main h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.08;margin:8px 0 16px;color:#0d2b43}.detail-description{font-size:1.08rem;line-height:1.75;color:#415363}.detail-price{display:flex;align-items:center;gap:12px;margin-top:24px}.detail-price strong{font-size:1.7rem;color:#0d2b43}.detail-price del{color:#74818c}.detail-side{position:sticky;top:24px}.detail-seller{padding:24px}.detail-seller>img{width:78px;height:78px;object-fit:contain;border:1px solid #e2e9ee;border-radius:16px;margin-bottom:14px}.detail-seller h2{margin:5px 0 12px;color:#0d2b43}.detail-seller p{line-height:1.55;color:#526373}.detail-seller .btn{margin-top:10px}.share-button{cursor:pointer}.share-feedback{display:block;margin-top:8px;color:#28734f;font-weight:700;text-align:center}@media(max-width:800px){.detail-layout{grid-template-columns:1fr;padding-top:24px}.detail-main{padding:18px}.detail-side{position:static}.detail-media{aspect-ratio:4/3}.detail-main h1{font-size:2rem}}