:root{
  --bg:#fafafa; --card:#ffffff; --text:#111; --muted:#555; --border:#e9e9e9;
  --accent:#000; --chip:#f3f3f3; --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; background:var(--bg); color:var(--text)}
a{color:inherit}
.wrap{max-width:1050px;margin:0 auto;padding:16px}
.topbar{position:sticky;top:0;z-index:10;background:rgba(250,250,250,.9);backdrop-filter: blur(10px); border-bottom:1px solid var(--border)}
.topbar .wrap{display:flex;gap:12px;align-items:center;justify-content:space-between}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);overflow:hidden;background:#fff}
.logo img{width:100%;height:100%;object-fit:cover}
.brand h1{font-size:16px;margin:0}
.brand .sub{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{border:1px solid var(--border);background:var(--card);padding:10px 12px;border-radius:14px;cursor:pointer;font-size:14px}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--chip);padding:7px 10px;border-radius:999px;font-size:12px;color:#333;border:1px solid var(--border)}
.main{padding-top:16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:0 4px 20px rgba(0,0,0,.04);overflow:hidden}
.card .p{padding:12px}
.thumb{width:100%;aspect-ratio:1/1;object-fit:cover;background:#f6f6f6}
.title{font-size:15px;margin:0 0 4px}
.subtitle{font-size:12px;margin:0 0 10px;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.small{font-size:12px;color:var(--muted)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.chip{font-size:11px;background:var(--chip);border:1px solid var(--border);padding:6px 10px;border-radius:999px}
.section{display:none}
.section.active{display:block}
.panel{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
@media (max-width:980px){.panel{grid-template-columns:1fr}}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .full{grid-column:1/-1}
label{display:block;font-size:12px;color:#333;margin:0 0 6px}
input,select,textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:14px;background:#fff;font-size:14px}
textarea{min-height:96px;resize:vertical}
.cart-list{display:grid;gap:10px;padding:12px}
.cart-item{display:grid;grid-template-columns:72px 1fr auto;gap:10px;align-items:center;border:1px solid var(--border);border-radius:16px;padding:10px;background:#fff}
.cart-item img{width:72px;height:72px;border-radius:14px;object-fit:cover;border:1px solid var(--border)}
.qty{display:flex;align-items:center;gap:8px}
.iconbtn{width:34px;height:34px;border-radius:12px;border:1px solid var(--border);background:#fff;cursor:pointer}
hr{border:0;border-top:1px solid var(--border);margin:10px 0}
.footer-note{font-size:12px;color:var(--muted);padding:12px}
.kv{display:grid;gap:6px;font-size:13px;color:#222}
.kv div{display:flex;justify-content:space-between;gap:10px}
.kv span{color:var(--muted)}