:root{
  color-scheme:light;
  --ink:#17202d;
  --muted:#68707d;
  --line:#e7eaee;
  --paper:#fbfaf6;
  --blue:#175c9b;
  --blue-soft:#eaf2f8;
  --gold:#d89d32;
  --button:#1d2430;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
.storefront-body{min-height:100vh;display:flex;flex-direction:column}
.storefront-header{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:26px 0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.storefront-brand{font-size:18px;font-weight:800;letter-spacing:.02em}
.storefront-nav{display:flex;gap:18px;color:var(--muted);font-size:13px}
.storefront-nav a:hover{color:var(--ink)}
.storefront-main{width:min(1180px,calc(100% - 48px));margin:0 auto;flex:1}
.product-hero{min-height:640px;display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:56px;padding:68px 0 56px}
.product-copy{max-width:520px}
.product-eyebrow{margin:0 0 12px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
h1{max-width:500px;margin:0;font-size:clamp(42px,6vw,74px);line-height:1.04;font-weight:780;letter-spacing:0}
.product-subtitle{max-width:460px;margin:22px 0 24px;color:var(--muted);font-size:18px;line-height:1.72}
.product-price{display:flex;align-items:baseline;gap:8px}
.product-price strong{font-size:31px;line-height:1}
.product-price span{color:var(--muted);font-size:13px}
.product-rating{margin:10px 0 30px;color:#3d4652;font-size:13px}
.product-rating span{margin-left:8px;color:var(--muted)}
.product-actions{display:flex;align-items:center;gap:13px;margin:0 0 22px}
.product-buy{display:inline-flex;align-items:baseline;gap:10px;padding:13px 20px;border:1px solid var(--button);border-radius:4px;background:var(--button);color:#fff;font:inherit;cursor:pointer;transition:background .16s ease,transform .16s ease}
.product-buy:hover{background:#2f3744;transform:translateY(-1px)}
.product-buy:active{transform:translateY(0)}
.product-buy span{font-size:14px;font-weight:750;letter-spacing:.02em}
.product-buy small{font-size:11px;opacity:.72}
.product-action-note{margin:0;color:#8a929c;font-size:11px}
.product-palette,.product-sizes{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 16px}
.product-palette span,.product-sizes span{min-width:44px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.12em}
.swatch,.size-chip{border:1px solid #d5dae1;cursor:pointer}
.swatch{width:32px;height:32px;border-radius:999px;background:#f5f2ec}
.swatch:nth-of-type(2){background:#4d545e}
.swatch:nth-of-type(3){background:#d7cbb5}
.swatch.active,.size-chip.active{border-color:#202733;box-shadow:0 0 0 1px #202733 inset}
.size-chip{min-width:38px;height:32px;padding:0 10px;border-radius:18px;background:#fff;color:var(--ink);font-size:12px;font-weight:700}
.product-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 22px}
.product-specs div{padding-top:12px;border-top:1px solid var(--line)}
.product-specs dt{color:var(--muted);font-size:12px}
.product-specs dd{margin:3px 0 0;font-weight:700}
.product-sku{margin:0;color:#8a929c;font-size:12px}
.product-media{position:relative;min-height:540px;overflow:hidden;border-radius:18px;background:#f3f1eb;box-shadow:0 20px 60px #1b24301f}
.product-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center}
.product-media-badge{position:absolute;left:24px;top:24px;padding:9px 12px;border-radius:999px;background:#fff;color:#202733;font-size:12px;font-weight:700;box-shadow:0 8px 28px #00000012}
.product-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.product-notes>div{display:flex;align-items:center;gap:10px;padding:22px 18px}
.product-notes>div+div{border-left:1px solid var(--line)}
.note-dot{width:8px;height:8px;flex:none;border-radius:50%;background:var(--gold)}
.product-notes p{margin:0;color:#58626e;font-size:13px}
.product-description{max-width:680px;padding:74px 0 90px}
.product-description h2{margin:0 0 14px;font-size:30px;line-height:1.2}
.product-description p:last-child{margin:0;color:var(--muted);font-size:16px}
.storefront-footer{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:24px 0 30px;border-top:1px solid var(--line);color:#8a929c;font-size:12px}
@media(max-width:820px){
  .product-hero{grid-template-columns:1fr;gap:28px;padding:48px 0}
  .product-copy{max-width:none}
  .product-media{min-height:420px}
  .product-notes{grid-template-columns:1fr}
  .product-notes>div+div{border-left:0;border-top:1px solid var(--line)}
}
@media(max-width:520px){
  .storefront-header,.storefront-main,.storefront-footer{width:min(100% - 28px,1180px)}
  .storefront-header{padding:22px 0}
  .storefront-nav{gap:12px;font-size:12px}
  .product-hero{padding:36px 0 34px}
  .product-subtitle{font-size:16px}
  .product-media{min-height:330px}
  .product-actions{align-items:flex-start;flex-direction:column;gap:7px}
  .product-specs{grid-template-columns:1fr}
  .product-description{padding:48px 0 64px}
  .product-description h2{font-size:24px}
}