:root{--bg:#f6f1ea;--ink:#1c1917;--accent:#0f766e;--muted:#78716c;--card:#fffdf9;--line:#e7e0d6;--font:"Iowan Old Style","Palatino Linotype",Palatino,"Songti TC",serif;--sans:"Avenir Next","PingFang HK","Helvetica Neue",sans-serif}*{box-sizing:border-box}html{background:var(--bg)}body,html{margin:0;padding:0}body{color:var(--ink);font-family:var(--sans);background:radial-gradient(circle at top left,#efe6d8 0,transparent 40%),linear-gradient(180deg,#f8f4ee 0,var(--bg) 100%)}a{color:inherit;text-decoration:none}.site-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 2rem;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(246,241,234,.85)}.brand{font-family:var(--font);font-size:1.6rem;letter-spacing:.02em}.site-header nav{display:flex;gap:1.25rem;font-size:.95rem;align-items:center;flex-wrap:wrap}.lang-switch{display:inline-flex;align-items:center;gap:.35rem}.lang-switch select{padding:.35rem .5rem}.social-login{display:grid;grid-gap:.75rem;gap:.75rem;max-width:360px}.social-login button{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;border-radius:12px;font-weight:600}.provider-icon{position:absolute;left:1rem;width:22px;height:22px}.btn-google{background:#fff;color:#111;border:1px solid var(--line)}.btn-apple{background:#111;color:#fff}.btn-wechat{background:#07c160;color:#fff}.container{max-width:1100px;margin:0 auto;padding:2rem 1.25rem}.hero{margin-bottom:2rem}.hero h1{font-family:var(--font);font-size:clamp(2rem,5vw,3.2rem);margin:0 0 .5rem;font-weight:600}.hero p{color:var(--muted);max-width:36rem}.filters{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}button,input,select,textarea{font:inherit}input,select,textarea{border:1px solid var(--line);background:var(--card);padding:.65rem .8rem;border-radius:8px}.btn,button{background:var(--accent);color:white;border:none;border-radius:999px;padding:.7rem 1.2rem;cursor:pointer}button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:1.25rem;gap:1.25rem}.product-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.product-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(28,25,23,.08)}.product-card img{width:100%;height:180px;object-fit:cover;display:block;background:#ddd}.product-card .meta{padding:1rem}.product-card h3{margin:0 0 .35rem;font-size:1.05rem;font-family:var(--font)}.muted{color:var(--muted)}.price{font-weight:600}.pdp{display:grid;grid-template-columns:1.1fr 1fr;grid-gap:2rem;gap:2rem}@media (max-width:800px){.site-header{padding:.75rem 1rem}.site-header nav{gap:.65rem .9rem;font-size:.85rem}.container{padding:1rem 1rem calc(1.25rem + env(safe-area-inset-bottom, 0px))}.pdp{grid-template-columns:1fr;gap:1.25rem}}.pdp img{width:100%;border-radius:18px;aspect-ratio:4/3;object-fit:cover}.variants{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.variant,button.variant{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:.45rem .9rem;cursor:pointer}.variant.active,button.variant.active{border-color:var(--accent);background:#ecfdf8;color:#0f766e;font-weight:600}.cart-panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:1.25rem}.cart-row{display:flex;justify-content:space-between;gap:1rem;padding:.75rem 0;border-bottom:1px solid var(--line)}.form{display:grid;grid-gap:.75rem;gap:.75rem;max-width:480px}.error{color:#b91c1c;margin:.5rem 0}.success{color:#047857}