*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans','Apple Color Emoji','Segoe UI Emoji',sans-serif;background:#f6f7f9;color:#1f2328}
.container{max-width:1100px;margin:0 auto;padding:16px}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;background:#b22222;color:#fff;padding:12px 16px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.brand{display:flex;gap:10px;align-items:center}
.brand .logo{font-size:28px}
h1{font-size:20px;margin:0}
h2{margin:16px 0 8px;font-size:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:#fff;border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,.06);overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;height:160px;object-fit:cover;display:block}
.card .content{padding:12px;display:flex;flex-direction:column;gap:6px}
.card h3{margin:0 0 4px 0;font-size:18px}
.card p{margin:0;font-size:14px;color:#4a5568;min-height:38px}
.card .price-row{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.price{font-weight:700}
.btn{border:none;border-radius:12px;padding:10px 12px;cursor:pointer}
.btn.primary{background:#b22222;color:#fff}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn.gray{background:#f1f5f9;color:#111827}
.btn:hover{filter:brightness(.96)}
.counter{display:flex;gap:8px;align-items:center}
.counter button{width:28px;height:28px;border-radius:8px}
.drawer{position:fixed;top:0;right:0;height:100%;width:360px;background:#fff;box-shadow:-8px 0 24px rgba(0,0,0,.12);display:flex;flex-direction:column}
.drawer.hidden{display:none}
.drawer-header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid #eef2f6}
.cart-list{list-style:none;margin:0;padding:12px;display:flex;flex-direction:column;gap:10px;flex:1;overflow:auto}
.cart-item{display:flex;gap:10px}
.cart-item img{width:64px;height:64px;border-radius:10px;object-fit:cover}
.cart-item .meta{flex:1}
.cart-item .meta h4{margin:0 0 4px 0;font-size:15px}
.cart-item .meta span{font-size:13px;color:#4b5563}
.qty{display:flex;align-items:center;gap:6px}
.cart-summary{padding:12px;border-top:1px solid #eef2f6;display:flex;flex-direction:column;gap:10px}
.cart-summary label{font-size:13px;color:#374151}
.cart-summary textarea,.cart-summary input{width:100%;padding:10px;border-radius:10px;border:1px solid #e5e7eb;background:#fafafa}
.total-line{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
@media (max-width:520px){.drawer{width:100%}.brand h1{font-size:18px}}