:root{--bg:#0e0f13;--surface:#181a21;--surface-2:#20232c;--border:#2a2e3a;--text:#eef0f5;--muted:#9aa1b2;--accent:#ff7a45;--accent-2:#ffb347;--ok:#34d399}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:1180px;margin:0 auto;padding:0 20px}.header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(14,15,19,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-size:22px;font-weight:800;letter-spacing:-.5px}.logo span{color:var(--accent)}.nav{display:flex;gap:22px;align-items:center}.nav a{color:var(--muted);font-size:15px}.nav a:hover{color:var(--text)}.cart-btn{background:var(--accent);color:#14161c;font-weight:700;padding:9px 16px;border-radius:999px;font-size:14px}.hero{padding:70px 0 40px;text-align:center;background:radial-gradient(1200px 400px at 50% -50%,rgba(255,122,69,.18),transparent)}.hero h1{font-size:46px;margin:0 0 14px;letter-spacing:-1px}.hero p{color:var(--muted);font-size:18px;max-width:620px;margin:0 auto}.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:30px 0}.chip{background:var(--surface);border:1px solid var(--border);color:var(--muted);padding:8px 16px;border-radius:999px;cursor:pointer;font-size:14px}.chip.active{background:var(--accent);color:#14161c;border-color:var(--accent);font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:20px;gap:20px;padding-bottom:60px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card .thumb{aspect-ratio:3/2;width:100%;object-fit:cover;display:block;background:var(--surface-2)}.card .body{padding:14px 16px}.card h3{margin:0 0 4px;font-size:17px}.card .cat{color:var(--muted);font-size:13px}.card .price{margin-top:10px;font-weight:700;color:var(--accent-2)}.badge{display:inline-block;background:var(--surface-2);color:var(--muted);font-size:11px;padding:3px 8px;border-radius:6px;margin-right:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#14161c;font-weight:700;border:none;padding:12px 20px;border-radius:10px;cursor:pointer;font-size:15px}.btn:hover{filter:brightness(1.05)}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.detail{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:36px;gap:36px;padding:40px 0}.detail img{width:100%;border-radius:14px;border:1px solid var(--border)}.detail h1{font-size:34px;margin:0 0 8px}.opt{border:1px solid var(--border);border-radius:12px;padding:16px;margin:12px 0;display:flex;justify-content:space-between;align-items:center;background:var(--surface)}.opt .price{font-size:22px;font-weight:800;color:var(--accent-2)}.section{padding:36px 0}.section h1{font-size:30px}.row{display:flex;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.row img{width:90px;height:60px;object-fit:cover;border-radius:8px}.input,.select{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:10px;font-size:15px;margin-bottom:12px}.input:focus,.select:focus{outline:none;border-color:var(--accent)}.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.qty{width:64px}.summary{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}.summary .line{margin:8px 0;color:var(--muted)}.summary .line,.summary .total{display:flex;justify-content:space-between}.summary .total{font-size:20px;font-weight:800;margin-top:14px;padding-top:14px;border-top:1px solid var(--border);color:var(--text)}.pay{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 16px}.pay label{flex:1 1;min-width:160px;border:1px solid var(--border);border-radius:10px;padding:14px;cursor:pointer;background:var(--surface);display:flex;gap:10px;align-items:center}.pay label.sel{border-color:var(--accent);background:rgba(255,122,69,.08)}.empty,.muted{color:var(--muted)}.empty{text-align:center;padding:80px 0}.notice{background:rgba(255,179,71,.1);border:1px solid var(--accent-2);color:var(--accent-2);padding:12px 16px;border-radius:10px;font-size:14px;margin:16px 0}.ok-box{background:rgba(52,211,153,.1);border:1px solid var(--ok);color:var(--ok);padding:16px;border-radius:12px}.err{color:#ff8087;font-size:14px;margin:8px 0}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.footer{border-top:1px solid var(--border);padding:30px 0;color:var(--muted);text-align:center;margin-top:40px}.footer,table{font-size:14px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}@media (max-width:760px){.detail{grid-template-columns:1fr}.hero h1{font-size:34px}.grid-2{grid-template-columns:1fr}}