:root{
  --ink:#141412; --sub:#8b8578; --line:#e8e4dc; --bg:#faf9f6; --paper:#fff;
  --gold:#a8874f; --danger:#c0392b; --ok:#2e7d55;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}
[hidden]{display:none!important}
.serif{font-family:Georgia,"Times New Roman",serif}

/* ---------- 登录 ---------- */
.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#141412;padding:24px;z-index:80}
.gate-card{width:100%;max-width:340px;background:#fff;border-radius:2px;padding:38px 28px 26px}
.logo{font:400 34px/1 Georgia,serif;letter-spacing:8px;text-align:center;margin-bottom:10px}
.tagline{text-align:center;font-size:10px;letter-spacing:3px;color:var(--sub);margin-bottom:26px;text-transform:uppercase}
.gate-card input{width:100%;border:0;border-bottom:1px solid var(--line);padding:12px 2px;margin-bottom:16px;outline:none;background:transparent;font-size:15px}
.gate-card input:focus{border-bottom-color:var(--ink)}
.cap-row{display:flex;gap:10px;align-items:center;margin-bottom:20px}
.cap-row input{flex:1 1 0;width:0;min-width:0;margin:0}
.cap-box{flex:0 0 96px;height:40px;border:1px solid var(--line);overflow:hidden;cursor:pointer;display:flex;align-items:center;justify-content:center;background:#f4f2ec}
.cap-box svg{width:100%;height:100%}
.err{color:var(--danger);font-size:12px;text-align:center;margin-top:12px;min-height:16px}
.tiny{color:var(--sub);font-size:11px;text-align:center;margin-top:20px;line-height:1.7}

.btn{border:1px solid var(--ink);background:#fff;padding:11px 16px;cursor:pointer;letter-spacing:1px;font-size:12.5px;text-transform:uppercase;transition:.15s}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:active{opacity:.8}
.btn.ghost{border-color:var(--line);color:var(--sub);text-transform:none;letter-spacing:0}
.btn.block{width:100%;margin-top:8px}
.btn.sm{padding:6px 12px;font-size:12px;text-transform:none;letter-spacing:0}

/* ---------- 主框架 ---------- */
.app{min-height:100vh;padding-bottom:64px}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:rgba(250,249,246,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .brand{font:400 19px/1 Georgia,serif;letter-spacing:6px}
.top .bag{font-size:12px;letter-spacing:1.5px;cursor:pointer;text-transform:uppercase}
.top .bag span{display:inline-block;min-width:18px;height:18px;line-height:18px;text-align:center;background:var(--ink);color:#fff;border-radius:9px;font-size:11px;margin-left:5px}
main{padding:0 0 20px}
.page{padding:0 18px}

.hero{padding:26px 0 18px;text-align:center}
.hero-t{font:400 24px/1.3 Georgia,serif;letter-spacing:2px}
.hero-s{color:var(--sub);font-size:12px;margin-top:8px;letter-spacing:.4px}

/* ---------- 筛选 ---------- */
.filters{display:flex;gap:8px;overflow:auto;padding:4px 0 14px;-webkit-overflow-scrolling:touch}
.filters::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:12px;color:var(--sub);cursor:pointer;background:#fff}
.chip.on{border-color:var(--ink);color:var(--ink)}

/* ---------- 商品网格 ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px}
.card-p{cursor:pointer}
.card-p .ph{width:100%;aspect-ratio:3/4;background:#f0eee8;overflow:hidden;position:relative}
.card-p .ph img{width:100%;height:100%;object-fit:cover;display:block}
.card-p .ph .noimg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#bdb7aa;font-size:11px;letter-spacing:2px}
.card-p .nm{font-size:12.5px;margin-top:8px;line-height:1.4;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-p .skc{font-size:9.5px;color:#b9b3a7;letter-spacing:.4px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-variant-numeric:tabular-nums}
.card-p .pr{font-size:13px;margin-top:3px;font-variant-numeric:tabular-nums}
.card-p .pr s{color:var(--sub);font-size:11.5px;margin-left:6px}
.more{text-align:center;padding:22px 0;color:var(--sub);font-size:12px;letter-spacing:2px;text-transform:uppercase;cursor:pointer}

/* ---------- 详情 / 购物袋 sheet ---------- */
.sheet{position:fixed;inset:0;background:rgba(20,20,18,.45);z-index:60;display:flex;align-items:flex-end;justify-content:center}
.sheet-box{background:#fff;width:100%;max-width:560px;max-height:92vh;overflow:auto;border-radius:0;padding:0 0 24px;animation:up .22s ease}
@keyframes up{from{transform:translateY(18px);opacity:.6}to{transform:none;opacity:1}}
.dt-img{width:100%;aspect-ratio:3/4;max-height:56vh;background:#f0eee8;object-fit:cover;display:block}
/* 缺图占位（详情页/购物袋这类非网格场景） */
.noimg.generic{position:static;width:100%;aspect-ratio:3/4;max-height:44vh;background:#f0eee8;display:flex;align-items:center;justify-content:center;color:#bdb7aa;font-size:10px;letter-spacing:2px}
.bag-line .noimg.generic{width:64px;height:84px;aspect-ratio:auto;flex:0 0 64px}
/* 缺图占位统一用品牌字标，避免整屏「NO IMAGE」看起来像故障 */
.noimg span{font:400 13px/1 Georgia,"Times New Roman",serif;letter-spacing:5px;color:#c9c2b3;text-indent:5px}
.dt-body{padding:18px 20px 0}
.dt-kicker{font-size:10px;letter-spacing:3px;color:var(--sub);text-transform:uppercase}
.dt-name{font:400 20px/1.4 Georgia,serif;margin:6px 0 4px}
.dt-skc{font-size:11px;color:var(--sub);letter-spacing:1px}
.dt-price{font-size:18px;margin:12px 0 4px;font-variant-numeric:tabular-nums}
.dt-price s{font-size:13px;color:var(--sub);margin-left:8px}
.sizes{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.sz{min-width:44px;text-align:center;border:1px solid var(--line);padding:8px 10px;font-size:12.5px;cursor:pointer}
.sz.on{border-color:var(--ink);background:var(--ink);color:#fff}
.sz.off{color:#ccc;border-color:#f0eee8;cursor:not-allowed;text-decoration:line-through}
.sheet-close{position:sticky;top:0;float:right;margin:10px 12px;background:rgba(255,255,255,.9);border:0;width:32px;height:32px;border-radius:16px;font-size:16px;cursor:pointer;z-index:2}
.bag-line{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.bag-line img{width:64px;height:84px;object-fit:cover;background:#f0eee8}
.bag-line .info{flex:1;min-width:0}
.bag-line .nm{font-size:13px;line-height:1.4}
.bag-line .meta{color:var(--sub);font-size:11.5px;margin-top:2px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);margin-top:6px}
.qty button{width:26px;height:24px;border:0;background:#fff;cursor:pointer;font-size:14px;line-height:1}
.qty span{width:30px;text-align:center;font-size:12px;font-variant-numeric:tabular-nums}
.bag-sum{display:flex;justify-content:space-between;padding:16px 0 6px;font-size:14px}
.bag-sum b{font-size:17px;font-variant-numeric:tabular-nums}
.note{width:100%;border:1px solid var(--line);padding:10px;margin:10px 0;font-size:13px;outline:none;resize:vertical;min-height:60px}
.hintline{color:var(--sub);font-size:11.5px;line-height:1.7;margin-top:8px}

/* ---------- 订单 ---------- */
.h2{font:400 19px/1.3 Georgia,serif;letter-spacing:1px;padding:26px 0 14px}
.ord{border:1px solid var(--line);background:#fff;padding:14px 16px;margin-bottom:12px}
.ord-top{display:flex;justify-content:space-between;font-size:11.5px;color:var(--sub);letter-spacing:.6px}
.ord-top .st{color:var(--ink)}
.ord-items{margin:10px 0;font-size:12.5px;line-height:1.7}
.ord-items .li{display:flex;justify-content:space-between;color:var(--sub)}
.ord-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:10px;font-size:13px}
.ord-foot b{font-variant-numeric:tabular-nums}
.track{font-size:11.5px;color:var(--sub);margin-top:6px}
.empty{color:var(--sub);font-size:13px;text-align:center;padding:44px 0}

/* ---------- 账户 ---------- */
.card{border:1px solid var(--line);background:#fff;padding:16px 18px}
.row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #f4f1ea;font-size:13px}
.row:last-child{border-bottom:0}
.row .k{color:var(--sub)}

/* ---------- 商品详情（购买视角） ---------- */
.dt-sub{font-size:11px;color:var(--sub);letter-spacing:.8px;margin-top:2px;font-variant-numeric:tabular-nums}
.dt-sec{font-size:10px;letter-spacing:2.4px;color:var(--sub);text-transform:uppercase;margin:20px 0 8px}
.stock-note{color:var(--gold);font-size:11.5px;letter-spacing:.4px;margin-left:10px;white-space:nowrap}
.swatches{display:flex;gap:8px;overflow:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}
.swatches::-webkit-scrollbar{display:none}
.sw{flex:0 0 auto;width:46px;height:60px;border:1px solid var(--line);background:#f0eee8;padding:0;cursor:pointer;overflow:hidden;display:flex;align-items:center;justify-content:center}
.sw img{width:100%;height:100%;object-fit:cover;display:block}
.sw span{font-size:12px;color:var(--sub);letter-spacing:1px}
.sw.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink) inset}
.opt-row{display:flex;align-items:center;justify-content:space-between;margin:18px 0 4px}
.qty-big{display:inline-flex;align-items:center;border:1px solid var(--line)}
.qty-big button{width:34px;height:32px;border:0;background:#fff;font-size:16px;cursor:pointer;line-height:1}
.qty-big button:disabled{color:#d6d0c4;cursor:default}
.qty-big span{width:38px;text-align:center;font-size:13px;font-variant-numeric:tabular-nums}
.dt-policy{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);color:var(--sub);font-size:11.5px;line-height:1.8}
.btn:disabled{opacity:.45;cursor:default}

/* ---------- 账户：地址与客服 ---------- */
.sec-h{display:flex;align-items:center;justify-content:space-between;margin:26px 0 10px;font-size:10px;letter-spacing:2.4px;color:var(--sub);text-transform:uppercase}
.link{border:0;background:none;padding:0;color:var(--ink);font-size:11.5px;letter-spacing:.6px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link.danger{color:var(--danger)}
.addr{border:1px solid var(--line);background:#fff;padding:13px 15px;margin-bottom:10px}
.addr.on{border-color:var(--ink)}
.ad-top{display:flex;align-items:center;gap:8px;font-size:13px}
.tag-def{font-size:9px;letter-spacing:1.4px;border:1px solid var(--ink);padding:1px 5px}
.ad-l{color:var(--sub);font-size:12px;line-height:1.65;margin-top:3px}
.ad-ops{display:flex;gap:16px;margin-top:10px}
.svc-card{padding:6px 16px}
.svc{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;border-bottom:1px solid #f4f1ea;font-size:12.5px;color:inherit;text-decoration:none;cursor:pointer}
.svc:last-child{border-bottom:0}
.svc span{color:var(--sub);letter-spacing:.6px}
.svc b{font-weight:400;text-align:right;word-break:break-all}
.form{display:flex;flex-direction:column}
.form label{font-size:10px;letter-spacing:1.8px;color:var(--sub);text-transform:uppercase;margin:14px 0 5px}
.form input,.form select{border:1px solid var(--line);padding:10px 11px;font-size:13.5px;outline:none;background:#fff;width:100%}
.form input:focus,.form select:focus{border-color:var(--ink)}
.form .chk{display:flex;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font-size:12.5px;color:var(--ink);margin:16px 0 4px}
.form .chk input{width:auto}
.ship-box{border:1px solid var(--line);background:#fcfbf8;padding:12px 14px;margin:12px 0 4px}
.sb-h{font-size:10px;letter-spacing:2px;color:var(--sub);text-transform:uppercase;display:flex;justify-content:space-between;align-items:center}
.sb-n{font-size:13px;margin-top:6px}
.sb-a{color:var(--sub);font-size:12px;line-height:1.7;margin-top:2px}

/* ---------- 底部 tab ---------- */
.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);z-index:30;padding-bottom:env(safe-area-inset-bottom)}
.tabs a{flex:1;text-align:center;padding:13px 0;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--sub);cursor:pointer}
.tabs a.on{color:var(--ink)}

.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(10px);background:var(--ink);color:#fff;padding:9px 18px;font-size:12.5px;opacity:0;pointer-events:none;transition:.22s;z-index:99;max-width:86%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(min-width:640px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .page{padding:0 26px}
  .sheet-box{border-radius:2px;margin:auto;max-height:88vh}
  .sheet{align-items:center}
}
@media(min-width:960px){
  main{max-width:1080px;margin:0 auto}
  .grid{grid-template-columns:repeat(4,1fr)}
}