:root{
  --bg:#0b0b0d;
  --surface:#121216;
  --card:#15151b;
  --ink:#f4f4f5;
  --muted:#a1a1aa;
  --line:rgba(255,255,255,.10);
  --pri:#ff4aa0;
  --pri2:#ff7abf;
  --radius:18px;
  --shadow:0 18px 55px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:24px}
.muted{color:var(--muted)}
.link{color:var(--pri2)}
.topbar{position:sticky;top:0;background:#000;z-index:50;border-bottom:1px solid var(--line)}
.topbar__inner{max-width:1200px;margin:0 auto;display:flex;gap:16px;align-items:center;padding:12px 16px}
.brand{display:flex;gap:12px;align-items:center}
.brand__logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff}
.brand__name{font-weight:800;letter-spacing:.2px}
.brand__tag{font-size:12px;color:var(--muted)}
.search{flex:1;display:flex;gap:10px}
.search input{flex:1;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 12px;border-radius:999px;outline:none}
.search button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 14px;border-radius:999px;cursor:pointer}
.nav{display:flex;gap:14px;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.menu{max-width:1200px;margin:0 auto;display:flex;gap:16px;padding:10px 16px;border-top:1px solid var(--line);color:var(--muted);overflow:auto}
.menu a{white-space:nowrap}
.menu a.hot{color:var(--pri2);font-weight:700}

.hero{padding:18px}
.hero__box{max-width:1200px;margin:0 auto;background:linear-gradient(135deg, rgba(255,74,160,.25), rgba(0,0,0,.2));
  border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow)}
.hero h1{margin:0 0 6px 0;font-size:34px}
.hero p{margin:0 0 18px 0;color:var(--muted)}
.hero__cta{display:flex;gap:12px}

.section{margin-top:24px}
.section__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px}
.section__head h2{margin:0;font-size:20px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid var(--line);cursor:pointer}
.btn.pri{background:linear-gradient(90deg,var(--pri),var(--pri2));border-color:transparent;color:#12030a;font-weight:800}
.btn.out{background:transparent;color:var(--ink)}
.btn-lg{width:100%;padding:14px 16px;border-radius:14px}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.grid{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 35px rgba(0,0,0,.25)}
.card__img{aspect-ratio:3/4;background:#0f0f14}
.card__img img{width:100%;height:100%;object-fit:cover;display:block}
.card__body{padding:12px}
.card__title{font-weight:700}
.card__meta{font-size:12px;margin-top:4px}
.card__price{margin-top:8px;font-weight:800;color:var(--pri2)}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters input,.filters select{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 12px;border-radius:12px;outline:none}

.product{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
@media (max-width:900px){.product{grid-template-columns:1fr}}
.product__main{width:100%;border-radius:22px;border:1px solid var(--line);background:#111;box-shadow:var(--shadow)}
.product__thumbs{display:flex;gap:10px;margin-top:10px;overflow:auto}
.product__thumbs img{width:84px;height:110px;object-fit:cover;border-radius:14px;border:1px solid var(--line);opacity:.9}
.price{font-size:24px;font-weight:900;margin:10px 0}
.buybox{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}
.buybox label{display:block;color:var(--muted);margin:10px 0 6px}
.buybox select,.buybox input{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 12px;border-radius:12px;outline:none}
.desc{margin-top:14px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}

.cart__row{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:12px;margin-bottom:12px}
.cart__img{width:90px;height:120px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.cart__name{font-weight:800}
.cart__price{margin-top:8px;font-weight:900;color:var(--pri2)}
.cart__total{display:flex;justify-content:space-between;align-items:center;margin:16px 0}
.total{font-size:20px;font-weight:900}

.footer{margin-top:40px;border-top:1px solid var(--line);background:#000}
.footer__grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 16px}
@media (max-width:900px){.footer__grid{grid-template-columns:1fr 1fr}}
.footer h4{margin:0 0 10px 0}
.footer a{display:block;color:var(--muted);padding:6px 0}
.footer a:hover{color:var(--ink)}
.footer__bottom{max-width:1200px;margin:0 auto;padding:12px 16px;border-top:1px solid var(--line)}