.buy-box{position:-webkit-sticky;position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:14px}.buy-box h1{margin:0;font-size:28px;letter-spacing:-.02em;line-height:1.1}.buy-price{display:flex;flex-direction:column;padding:14px 0;border-top:1px solid #eef2f7;border-bottom:1px solid #eef2f7}.buy-price .price{font-size:32px}@media (max-width:900px){.buy-box{position:static}}.choice-row{display:flex;gap:8px;margin-top:6px}.choice{flex:1 1;padding:10px 12px;border-radius:8px;border:1px solid var(--input-line);background:#fff;font-weight:600;font-size:14px;color:var(--ink);cursor:pointer}.choice.on{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-dark)}.price-lines{display:flex;flex-direction:column;gap:8px;padding:12px 0;border-top:1px solid #eef2f7;font-size:14px}.price-lines .final{padding-top:10px;margin-top:2px;border-top:1px solid #eef2f7;font-weight:700;font-size:16px}.buy-note{font-size:13px;color:var(--muted);font-weight:400;margin-top:4px}.buy-check{display:flex;gap:8px;align-items:center;font-size:14px;cursor:pointer}.gallery-main{aspect-ratio:16/10;border-radius:14px;position:relative;overflow:hidden;background:#eef3f8;display:flex;align-items:flex-end;justify-content:space-between;padding:14px;font-size:12px;font-weight:500}.gallery-main img,.gallery-main video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}.gallery-main img{background:#eef3f8}.gallery-pill{position:relative;background:rgba(255,255,255,.92);padding:5px 10px;border-radius:6px}.gallery-pill.dark{background:var(--ink);color:#fff;border:0;cursor:pointer;font:inherit;font-size:12px;font-weight:500}.thumbs{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:8px;gap:8px;margin-top:10px}.thumb{aspect-ratio:4/3;border-radius:8px;overflow:hidden;border:2px solid transparent;padding:0;cursor:pointer;background:#eef3f8;position:relative}.thumb.on{border-color:var(--blue)}.thumb img,.thumb video{width:100%;height:100%;object-fit:cover;display:block}.thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;background:rgba(0,0,0,.3)}@media (max-width:560px){.thumbs{grid-template-columns:repeat(4,1fr)}}