:root{--bg:#fff;--fg:#0f172a;--muted:#64748b;--line:#e2e8f0;--soft:#f1f5f9;--brand:#0d9488;--brand-d:#0f766e;--accent:#2563eb;--radius:14px}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--fg:#e8eef7;--muted:#93a3b8;--line:#1e293b;--soft:#111b2e;--brand:#2dd4bf;--brand-d:#14b8a6}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.55 Inter,"Segoe UI",system-ui,sans-serif;color:var(--fg);background:var(--bg)}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
header.top img{height:34px}
.cart-btn{position:relative;border:1px solid var(--line);background:var(--soft);color:var(--fg);border-radius:999px;padding:8px 16px;font:inherit;cursor:pointer}
.cart-btn b{background:var(--brand);color:#fff;border-radius:999px;padding:1px 8px;margin-left:6px;font-size:13px}
.hero{padding:56px 0 36px}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.1;margin:0 0 12px;max-width:16ch}
.hero p{color:var(--muted);max-width:52ch;margin:0 0 20px}
.badges{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:14px;padding:0;list-style:none;margin:0}
.badges li::before{content:"\2713";color:var(--brand);margin-right:6px;font-weight:700}
h2{font-size:24px;margin:32px 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;padding-bottom:48px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg);display:flex;flex-direction:column}
.card img{aspect-ratio:1;object-fit:cover;width:100%;background:var(--soft)}
.card .body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{margin:0;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px;flex:1}
.price{font-weight:700;font-size:18px}
.btn{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:11px 16px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-d)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:var(--soft);color:var(--fg)}
#drawer{position:fixed;inset:0 0 0 auto;width:min(400px,100%);background:var(--bg);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .25s;z-index:30;display:flex;flex-direction:column}
#drawer.open{transform:none}
#drawer header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--line)}
#drawer header h2{margin:0;font-size:18px}
#items{flex:1;overflow:auto;padding:8px 16px}
.line{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.line img{width:56px;height:56px;object-fit:cover;border-radius:8px}
.line small{color:var(--muted)}
.qty{display:flex;align-items:center;gap:6px;margin-top:4px}
.qty button{width:26px;height:26px;border-radius:6px;border:1px solid var(--line);background:var(--soft);color:var(--fg);cursor:pointer}
#foot{padding:16px;border-top:1px solid var(--line);display:grid;gap:10px}
#foot .total{display:flex;justify-content:space-between;font-weight:700;font-size:18px}
#foot small{color:var(--muted)}
#scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:opacity .25s;z-index:25}
#scrim.open{opacity:1;pointer-events:auto}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:10px}
.page{max-width:760px;margin:0 auto;padding:32px 16px 64px}
.page h1{font-size:30px}
.page h2{font-size:20px;margin-top:28px}
.notice{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px}
.center{text-align:center;padding:80px 16px}