:root{--accent:#4C5BF5;--ink:#0e0e12;--muted:#6b6f7a;--line:#e6e7ee;--r:20px}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);padding:24px 16px 0;min-height:100vh;
  background:linear-gradient(135deg,#f6e9ee 0%,#e9ecfb 45%,#dfe4fa 100%) fixed}
a{color:inherit;text-decoration:none}
.sheet{max-width:1180px;margin:0 auto;background:#fff;border-radius:18px 18px 0 0;padding:20px 32px 0;box-shadow:0 20px 60px rgba(76,91,245,.12);min-height:90vh}
.muted{color:var(--muted)}.small{font-size:13px}.grow{flex:1}
.logo{font-weight:700;font-size:22px;letter-spacing:-.5px}.logo span{color:var(--accent)}.logo.small{font-size:18px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px}
.nav-links{display:flex;gap:32px;font-size:14px;font-weight:500}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:2px;font-size:12px;font-weight:600}.lang a{padding:4px 7px;border-radius:8px;color:var(--muted)}.lang a.on{background:#eef0ff;color:var(--accent)}
.cart-link{position:relative;display:flex}
.badge-count{position:absolute;top:-8px;right:-10px;background:var(--accent);color:#fff;font-size:11px;border-radius:99px;padding:1px 6px}
.burger{display:none;background:none;border:0;font-size:22px}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:11px 20px;font:600 14px Inter;cursor:pointer;text-align:center}
.btn:hover{filter:brightness(1.08)}.btn-block{width:100%;margin-top:12px}
.btn-ghost{background:#eef0ff;color:var(--accent)}
/* hero */
.hero{display:grid;border-radius:var(--r);overflow:hidden;min-height:340px;position:relative;
  background:linear-gradient(120deg,#ece9fb 0%,#efeefb 40%,#e3f3c4 100%)}
.hero-text{padding:48px 40px;z-index:2}
.hero h1{font-size:44px;line-height:1.08;letter-spacing:-1.5px;margin:0 0 16px;font-weight:600}
.hero p{color:var(--muted);max-width:380px;margin:0 0 24px}
.search{display:flex;background:#fff;border:1.5px solid var(--accent);border-radius:12px;padding:5px;max-width:380px;box-shadow:0 8px 24px rgba(76,91,245,.15)}
.search input{flex:1;border:0;outline:0;padding:8px 12px;font:14px Inter;background:none}
.search button{width:38px;border:0;border-radius:9px;background:var(--accent);color:#fff;font-size:20px;cursor:pointer}
/* stories */
.stories{display:flex;gap:18px;overflow-x:auto;padding:22px 4px 6px}
.story{background:none;border:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;font:inherit;flex:0 0 auto}
.ring{width:76px;height:76px;border-radius:50%;background:#ddd center/cover;border:3px solid #fff;outline:3px solid var(--accent)}
.story em{font-style:normal;font-size:12px;font-weight:500;background:#eef0ff;color:var(--accent);padding:2px 10px;border-radius:99px;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewer{position:fixed;inset:0;background:rgba(10,10,20,.85);z-index:50;display:flex;align-items:center;justify-content:center}
.viewer[hidden]{display:none}
.viewer-box{position:relative;width:min(400px,100vw);height:min(720px,100vh);background:#000;border-radius:18px;overflow:hidden}
.v-img{width:100%;height:100%;object-fit:cover}
.bars{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:4px;z-index:3}
.bars i{flex:1;height:3px;background:rgba(255,255,255,.35);border-radius:2px;overflow:hidden}
.bars i.done b,.bars i b{display:block;height:100%;background:#fff;width:0}
.bars i.done b{width:100%}.bars i b[style]{animation:fill linear forwards}
@keyframes fill{to{width:100%}}
.v-close{position:absolute;top:22px;right:14px;z-index:4;background:rgba(0,0,0,.4);color:#fff;border:0;border-radius:50%;width:32px;height:32px;cursor:pointer}
.v-caption{position:absolute;bottom:80px;left:20px;right:20px;color:#fff;font-weight:600;font-size:18px;text-shadow:0 2px 8px #000;z-index:3}
.v-link{position:absolute;bottom:22px;left:20px;right:20px;z-index:4}
.v-prev,.v-next{position:absolute;top:50px;bottom:90px;width:35%;background:none;border:0;z-index:2;cursor:pointer}
.v-prev{left:0}.v-next{right:0}
/* categories */
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:28px 0}
.cat{background:linear-gradient(160deg,var(--c),#000 260%);color:#fff;border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:2px;min-height:190px;justify-content:flex-end;transition:transform .15s}
.cat:hover{transform:translateY(-3px)}
.cat img{width:100%;height:100px;object-fit:cover;border-radius:10px;margin-bottom:auto;background:rgba(255,255,255,.2)}
.cat b{font-size:14px;margin-top:10px}.cat small{opacity:.75}
/* discover */
.discover{padding:30px 0}.discover h2{font-size:34px;letter-spacing:-1px;margin:0 0 22px;font-weight:600}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.tab{padding:8px 16px;border-radius:99px;background:#f1f2f6;font-size:13px;font-weight:500}.tab.on{background:#e6e8ff;color:var(--accent)}
.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.filters input[type=number],.filters select{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:13px Inter;color:var(--muted);background:#fff}
.filters .btn{padding:9px 16px}
.toggle{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;cursor:pointer}
.toggle input[type=checkbox]{display:none}
.toggle i{width:38px;height:22px;background:#d6d8e3;border-radius:99px;position:relative;transition:.2s}
.toggle i:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;background:#fff;border-radius:50%;transition:.2s}
.toggle input:checked+i{background:var(--accent)}.toggle input:checked+i:after{left:19px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{display:flex;flex-direction:column;gap:6px}
.card-img{position:relative;display:block;aspect-ratio:4/3;border-radius:14px;background:#eee center/cover;box-shadow:0 6px 18px rgba(0,0,0,.08)}
.card h3{margin:8px 0 0;font-size:15px}.card p{margin:0;font-size:13px}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pill{position:absolute;left:10px;bottom:-10px;background:#ffe9a8;font-size:11px;font-weight:600;padding:3px 10px;border-radius:99px}
.pill-new{background:#c9f0d2}.pill-sale{background:#ffd0d0}
.sold{position:absolute;inset:0;background:rgba(255,255,255,.7);border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--muted)}
.price{font-weight:700;font-size:15px}.price.big{font-size:26px;margin:12px 0}.sep{color:var(--muted);font-weight:400}.cny{color:var(--accent)}
/* pages */
.page{padding:20px 0 60px}.page h1{font-size:34px;letter-spacing:-1px;margin:8px 0 20px}.narrow{max-width:520px}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.cart-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.thumb{width:64px;height:64px;border-radius:12px;background:#eee center/cover}
.qty{display:flex;align-items:center;gap:10px}.qty button{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer}
.link{background:none;border:0;color:var(--muted);cursor:pointer;font-size:12px}
.cart-total{display:flex;justify-content:space-between;align-items:flex-start;font-size:18px;padding:18px 0}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.form{display:flex;flex-direction:column;gap:14px}.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
.form input,.form textarea{border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:14px Inter}
.error{color:#c62828}
.summary{background:#f6f7fb;border-radius:16px;padding:20px;align-self:start}.sum-row{display:flex;justify-content:space-between;font-size:14px;padding:6px 0}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:20px 0 60px}
.detail-img{aspect-ratio:1;border-radius:20px;background:#eee center/cover}.detail h1{font-size:36px;margin:12px 0 0;letter-spacing:-1px}
.sold-text{color:#c62828;font-weight:600}
/* footer */
.footer{background:#f6f7fb;margin:0 -32px;padding:36px 32px 20px;font-size:13px}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.foot-cols h4{margin:0 0 10px}.foot-cols a{display:block;color:var(--muted);padding:3px 0}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:28px;color:var(--muted)}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.two,.detail{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;background:#fff;flex-direction:column;padding:16px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);z-index:20;gap:14px}.nav-links.open{display:flex}
  .burger{display:block}.nav-right .btn{display:none}.toggle{margin-left:0}.sheet{padding:16px 16px 0}.footer{margin:0 -16px}.hero h1{font-size:34px}}
@media(max-width:520px){.grid{grid-template-columns:1fr}.cart-row{flex-wrap:wrap}.foot-cols{grid-template-columns:1fr}}