:root{
  --black:#111;--white:#fff;--red:#ff3b30;--ink:#222;--muted:#8a8a8a;
  --line:#ececec;--bg:#f7f7f7;--gold:#c79a3b;--maxw:1280px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}

/* Header：白底，右侧登录；智能显隐 */
header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  transition:transform .32s cubic-bezier(.4,0,.2,1)}
header.hidden{transform:translateY(-100%)}
.head{display:flex;align-items:center;gap:18px;height:64px}
.logo{font-weight:800;font-size:22px;letter-spacing:1px;display:flex;align-items:baseline;gap:7px;white-space:nowrap}
.logo .cn{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:2px}
.search{flex:1;position:relative;max-width:560px}
.search input{width:100%;height:42px;border:2px solid var(--black);border-radius:999px;
  padding:0 52px 0 18px;font-size:14px;outline:none}
.search button{position:absolute;right:4px;top:4px;height:34px;width:44px;border:0;border-radius:999px;
  background:var(--black);color:#fff;font-size:16px;cursor:pointer}
.login-btn{margin-left:auto;border:1.5px solid var(--black);background:#fff;color:var(--black);
  height:38px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}
.login-btn:hover{background:var(--black);color:#fff}
.catnav .wrap{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:0 16px 11px}
.catnav .wrap::-webkit-scrollbar{display:none}
.catnav a{flex:0 0 auto;font-size:13.5px;color:#555;padding:5px 13px;border-radius:999px;font-weight:500}
.catnav a.on{background:var(--black);color:#fff}
.catnav a:hover{color:var(--red)}.catnav a.on:hover{color:#fff}

/* Banner */
.hero{padding:18px 0}
.slider{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:16px}
.slider::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;height:220px;border-radius:16px;position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;padding:0 46px;color:#fff}
.slide h2{font-size:30px;font-weight:800;letter-spacing:1px;margin-bottom:9px;text-shadow:0 2px 12px rgba(0,0,0,.18)}
.slide p{font-size:15px;opacity:.95}

/* 三栏专区 */
.zones{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:30px}
.zone{padding:2px 0 6px}
.zone-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.zone-head h4{font-size:16px;font-weight:800;letter-spacing:.5px;display:flex;align-items:center;gap:6px}
.zone-head a{font-size:12px;color:var(--muted)}
.zone-head a:hover{color:var(--red)}
.zone-items{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}

/* 区块标题 */
.section{margin-bottom:30px}
.sec-head{display:flex;flex-direction:column;align-items:center;gap:4px;margin:8px 0 18px;text-align:center}
.sec-head h3{font-size:23px;font-weight:800;letter-spacing:2px}
.sec-head .en{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:3px}
.sec-head .line{width:44px;height:3px;background:var(--black);border-radius:2px;margin-top:4px}

/* 商品卡（无白底、无销售元素，仅图+名）*/
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{display:block;color:inherit;background:transparent;position:relative;cursor:pointer;transition:transform .18s ease}
.card:hover{transform:translateY(-4px)}
.thumb{position:relative;aspect-ratio:4/5;border-radius:12px;overflow:hidden;
  background:linear-gradient(135deg,#eaeaea,#dcdcdc);display:grid;place-items:center}
.thumb .big{font-size:46px;opacity:.6}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .tag{position:absolute;left:0;top:0;background:var(--black);color:#fff;font-size:10.5px;font-weight:600;
  padding:3px 9px;border-bottom-right-radius:8px;letter-spacing:1px}
.zone-items .thumb .big{font-size:34px}
.card .info{padding:9px 3px 0}
.card .title{font-size:13px;color:#222;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;min-height:37px;line-height:1.45}

#sentinel{text-align:center;color:var(--muted);font-size:13px;padding:20px 0 8px;letter-spacing:1px}

/* 详情页 */
.crumb{color:var(--muted);font-size:12.5px;padding:16px 0 6px}
.crumb a:hover{color:#111}.crumb b{color:#333;font-weight:500}
.pd{display:grid;grid-template-columns:440px 1fr;gap:36px;background:#fff;border-radius:16px;padding:24px;margin-top:8px}
.gallery .main-img{aspect-ratio:1/1;border-radius:14px;display:grid;place-items:center;font-size:120px;
  background:linear-gradient(135deg,#eee,#dcdcdc);overflow:hidden}
.gallery .main-img img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs{display:flex;gap:10px;margin-top:12px}
.gallery .thumbs div{width:64px;height:64px;border-radius:10px;display:grid;place-items:center;font-size:28px;
  background:linear-gradient(135deg,#eee,#e0e0e0);border:2px solid transparent;cursor:pointer}
.gallery .thumbs div.on{border-color:var(--black)}
.pinfo h1{font-size:23px;line-height:1.4;font-weight:700;margin-bottom:12px}
.shopline{display:flex;align-items:center;gap:8px;color:#555;font-size:13px;margin-bottom:16px}
.shopline .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.shopline .badge{background:#faf6ec;color:var(--gold);border:1px solid #ecdcb4;border-radius:6px;padding:1px 8px;font-size:12px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tags span{background:#f4f4f4;color:#444;border-radius:6px;padding:5px 11px;font-size:12.5px}
.specs{width:100%;border-top:1px solid var(--line);margin-bottom:18px}
.specs .row{display:flex;border-bottom:1px solid var(--line);padding:10px 2px;font-size:13px}
.specs .row .k{width:96px;color:var(--muted);flex:0 0 auto}
.specs .row .v{color:#333}
.note{background:#fafafa;border-radius:10px;padding:13px 14px;color:#555;font-size:13px}
.ph-actions{display:flex;gap:12px;margin-top:18px}
.ph-actions .b{flex:1;height:46px;border-radius:999px;display:grid;place-items:center;font-weight:600;font-size:14px;cursor:pointer}
.ph-actions .fav{border:1.5px solid #ddd;background:#fff;color:#444}
.ph-actions .contact{border:1.5px solid var(--black);background:#fff;color:#111}
.ph-actions .contact:hover{background:#111;color:#fff}
.detail-content{background:#fff;border-radius:16px;padding:24px;margin-top:20px}
.detail-content h3{font-size:17px;font-weight:800;letter-spacing:1px;margin-bottom:16px;padding-left:11px;border-left:4px solid var(--black)}
.detail-content p{color:#555;margin-bottom:14px}
.detail-content .imgblock{height:280px;border-radius:12px;margin:14px 0;display:grid;place-items:center;font-size:60px;color:rgba(0,0,0,.18);
  background:linear-gradient(135deg,#f0f0f0,#e3e3e3)}

/* ===== SHEIN 风详情页 ===== */
.pd-shein{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;margin-top:10px}
.pd-left{min-width:0}
.gallery2{display:flex;gap:12px}
.thumbs-v{display:flex;flex-direction:column;gap:10px;flex:0 0 64px}
.thumbs-v .tv{width:64px;height:80px;border-radius:8px;display:grid;place-items:center;font-size:26px;
  background:linear-gradient(135deg,#eee,#e0e0e0);border:2px solid transparent;cursor:pointer}
.thumbs-v .tv.on{border-color:var(--black)}
.main2{flex:1;aspect-ratio:3/4;border-radius:14px;overflow:hidden;display:grid;place-items:center;
  background:linear-gradient(135deg,#eee,#dcdcdc)}
.main2 .big{font-size:120px;opacity:.6}.main2 img{width:100%;height:100%;object-fit:cover}
.reviews{margin-top:26px;border-top:1px solid var(--line);padding-top:20px}
.rv-head{display:flex;align-items:center;justify-content:space-between}
.rv-head h3{font-size:18px;font-weight:800}.rv-head .cnt{color:var(--muted);font-size:13px;font-weight:500}
.rv-head .more{color:var(--muted);font-size:13px}
.rv-score{display:flex;align-items:center;gap:14px;margin:14px 0}
.rv-score .big-score{font-size:40px;font-weight:800}
.rv-score .stars span{color:#ddd;font-size:18px}.rv-score .stars span.on{color:#ffb400}
.fitbar{display:flex;align-items:center;gap:10px;background:#fafafa;border-radius:10px;padding:12px 14px;margin-bottom:18px;font-size:12px;color:var(--muted);position:relative}
.fitbar .track{flex:1;height:4px;background:#e3e3e3;border-radius:2px;position:relative}
.fitbar .track i{position:absolute;top:-3px;left:50%;width:10px;height:10px;border-radius:50%;background:var(--black);transform:translateX(-50%)}
.fitbar .lab{position:absolute;left:50%;top:-1px;transform:translateX(-50%);font-size:11px;color:#333}
.rv-item{border-bottom:1px solid var(--line);padding:14px 0}
.rv-top{display:flex;align-items:center;gap:8px}
.rv-top .ava{width:26px;height:26px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;font-size:12px}
.rv-top .nm{font-size:13px;color:#333}.rv-top .rs{color:#ffb400;font-size:13px;margin-left:auto}
.rv-fit{font-size:12px;color:var(--muted);margin:6px 0}
.rv-text{font-size:13.5px;color:#333;line-height:1.6}
.rv-reply{margin-top:6px;padding:7px 10px;background:#f7f7f7;border-radius:8px;font-size:12.5px;color:#888}
.rv-imgs{display:flex;gap:8px;margin-top:8px}
.rv-imgs .ri{width:56px;height:56px;border-radius:8px;background:linear-gradient(135deg,#eee,#e0e0e0);display:grid;place-items:center;font-size:22px}
.pd-right{align-self:start;position:sticky;top:80px}
.pd-right .brand{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:1px}
.pd-right .ptitle{font-size:20px;font-weight:700;line-height:1.45;margin:8px 0 14px}
.price2{display:flex;align-items:baseline;gap:10px;margin-bottom:18px}
.price2 .now{font-size:30px;font-weight:800;color:var(--red)}
.price2 .ori{color:#bbb;text-decoration:line-through;font-size:14px}
.price2 .disc{background:#fff0f0;color:var(--red);font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px}
.opt{margin-bottom:16px}
.opt-label{font-size:13px;color:#333;margin-bottom:8px}.opt-label b{font-weight:700}
.opt-label .sizeguide{float:right;color:var(--muted);font-size:12px;cursor:pointer}
.opt-vals{display:flex;flex-wrap:wrap;gap:8px}
.ov{border:1.5px solid #ddd;background:#fff;border-radius:8px;padding:8px 16px;font-size:13px;cursor:pointer;color:#333}
.ov.on{border-color:var(--black);background:var(--black);color:#fff}
.buybar{display:flex;gap:10px;margin:20px 0}
.buynow{flex:1.4;height:50px;border:0;border-radius:999px;background:var(--black);color:#fff;font-size:16px;font-weight:700;cursor:pointer}
.buynow:hover{opacity:.9}
.addcart2{flex:1;height:50px;border:1.5px solid var(--black);border-radius:999px;background:#fff;color:var(--black);font-size:15px;font-weight:700;cursor:pointer}
.addcart2:hover{background:#f5f5f5}
.fav2{width:50px;height:50px;border:1.5px solid #ddd;background:#fff;border-radius:50%;font-size:20px;color:#777;cursor:pointer;flex:0 0 auto}
.desc-box{margin-bottom:8px;border-top:1px solid var(--line);padding-top:14px}
.desc-box h4{font-size:14px;font-weight:700;margin-bottom:8px}
.desc-content{font-size:13px;color:#555;line-height:1.7}
.desc-content.clamp{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.desc-toggle{display:inline-block;margin-top:8px;color:var(--muted);font-size:12.5px;cursor:pointer}
.desc-toggle:hover{color:#111}
.ship{background:#fafafa;border-radius:10px;padding:12px 14px;font-size:12.5px;color:#555;line-height:1.9;margin-bottom:16px}
.acc-item{border-top:1px solid var(--line)}
.acc-h{display:flex;justify-content:space-between;align-items:center;padding:14px 2px;font-size:14px;font-weight:600;cursor:pointer}
.acc-b{display:none;padding:0 2px 14px;font-size:13px;color:#555;line-height:1.7}
@media(max-width:900px){
  .pd-shein{grid-template-columns:1fr;gap:20px}
  .pd-right{position:static}
  .main2 .big{font-size:90px}
}

/* ===== 购物车 ===== */
.cart-wrap{max-width:900px;margin:0 auto;padding:10px 0}
.cart-h{font-size:20px;font-weight:800;margin:10px 0 18px}
.cart-group{background:#fff;border-radius:12px;margin-bottom:14px;overflow:hidden}
.cart-shop{padding:12px 16px;border-bottom:1px solid var(--line);font-size:13px;font-weight:600;color:#333}
.cart-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid #f3f3f3}
.cart-thumb{width:64px;height:80px;border-radius:8px;display:grid;place-items:center;font-size:28px;background:linear-gradient(135deg,#eee,#e0e0e0);flex:0 0 auto}
.cart-info{flex:1;min-width:0}
.cart-title{font-size:13.5px;color:#222;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cart-price{color:var(--red);font-weight:700;margin-top:6px}
.cart-qty{display:flex;align-items:center;gap:8px}
.qbtn{width:26px;height:26px;border:1px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;font-size:15px}
.qnum{min-width:24px;text-align:center}
.cart-sub{width:90px;text-align:right;font-weight:700;color:var(--red)}
.cart-del{border:0;background:none;color:#999;cursor:pointer;font-size:13px}
.cart-del:hover{color:var(--red)}
.cart-bar{position:sticky;bottom:0;background:#fff;border-radius:12px;margin-top:14px;padding:16px 20px;display:flex;align-items:center;justify-content:flex-end;gap:20px;box-shadow:0 -4px 16px rgba(0,0,0,.05)}
.cart-total{font-size:15px}.cart-total b{font-size:22px;color:var(--red)}
.cart-checkout{background:var(--black);color:#fff;padding:13px 40px;border-radius:999px;font-weight:700}
.cart-empty{text-align:center;padding:60px 0;color:#999;line-height:2.4}
.cart-empty a{color:var(--black);font-weight:700}
@media(max-width:600px){.cart-sub{display:none}.cart-row{flex-wrap:wrap}}

/* ===== 结算 / 收银台 / 订单 ===== */
.co-wrap{max-width:760px;margin:0 auto}
.co-box{background:#fff;border-radius:12px;padding:16px 18px;margin-bottom:14px}
.co-box h3{font-size:15px;font-weight:700;margin-bottom:12px}
.co-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.co-form .fr.full{grid-column:1/3}
.co-form label{display:block;font-size:12.5px;color:#666;margin-bottom:5px}
.co-form input{width:100%;height:40px;border:1px solid #ddd;border-radius:9px;padding:0 12px;outline:none}
.co-form input:focus{border-color:#111}
.co-shop{font-size:13px;font-weight:600;margin-bottom:10px}
.co-row{display:flex;justify-content:space-between;padding:7px 0;font-size:13px;color:#444;border-bottom:1px solid #f5f5f5}
.co-row .co-t{flex:1}.co-row .co-q{color:#999;margin:0 14px}.co-row .co-s{color:var(--red);font-weight:600}
.co-subtotal{text-align:right;margin-top:10px;font-size:13px}.co-subtotal b{color:var(--red);font-size:15px}
.pm{display:block;padding:10px 0;font-size:14px;cursor:pointer}
.cashier{max-width:460px;margin:30px auto}
.cs-card{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.06)}
.cs-no{color:#999;font-size:12px}
.cs-amount{font-size:40px;font-weight:800;color:var(--red);margin:10px 0}
.cs-method{color:#555;font-size:13px}
.cs-paid{color:var(--green);font-size:18px;font-weight:700;margin-top:14px}
.cs-tip{color:#aab;font-size:11.5px;margin-top:14px;line-height:1.6}
.od-order{border-bottom:1px solid #f0f0f0;padding:12px 16px}
.od-head{font-size:13px;color:#333;margin-bottom:8px}
.od-status{color:var(--red);font-weight:600}
.od-foot{text-align:right;margin-top:8px}
.btn-mini{display:inline-block;border:1px solid #ddd;border-radius:999px;padding:6px 16px;font-size:12.5px;cursor:pointer;background:#fff;color:#333}
.btn-mini.dark{background:var(--black);color:#fff;border-color:var(--black)}

footer{background:#fff;border-top:1px solid var(--line);margin-top:24px;padding:28px 0 36px}
.flinks{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;margin-bottom:14px}
.flinks a{color:var(--muted);font-size:13px}.flinks a:hover{color:#111}
.copyright{text-align:center;color:#bbb;font-size:12px}

@media(min-width:576px){ .grid{grid-template-columns:repeat(3,1fr)} }
@media(min-width:768px){ .grid{grid-template-columns:repeat(4,1fr)} .slide{height:260px} }
@media(min-width:992px){ .grid{grid-template-columns:repeat(5,1fr)} }
@media(max-width:920px){ .pd{grid-template-columns:1fr;gap:20px} .gallery .main-img{font-size:90px} }
@media(max-width:767px){
  .head{height:54px;gap:10px}.logo{font-size:18px}.logo .cn{display:none}
  .search{max-width:none}.login-btn{height:34px;padding:0 14px;font-size:13px}
  .slide{height:150px;padding:0 22px}.slide h2{font-size:20px}.slide p{font-size:13px}
  .zones{grid-template-columns:1fr;gap:12px}.sec-head h3{font-size:19px}
  .pinfo h1{font-size:19px}.pd{padding:16px}
}