:root{
  --ink:#111418;
  --ink2:#3d4650;
  --muted:#77828f;
  --line:#e2e6ea;
  --bg:#ffffff;
  --bg2:#f4f6f8;
  --brand:#FF6A00;
  --brand-d:#e05c00;
  --red:#D5271E;
  --green:#1B7A43;
  --yellow:#C99A16;
  --gold:#C9A227;
  --silver:#7A7F87;
  --bronze:#B87333;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"Segoe UI","Helvetica Neue","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 20px}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ---------- 顶部工具条 ---------- */
.utility{background:var(--ink);color:#c9d2da;font-size:12.5px;padding:7px 0}
.utility .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.utility a:hover{color:#fff}

/* ---------- 主头部 ---------- */
header.main{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 3px rgba(0,0,0,.04)}
.head-top{display:flex;align-items:center;gap:20px;padding:14px 0}
.logo{font-size:25px;font-weight:800;letter-spacing:-.7px;white-space:nowrap}
.logo b{color:var(--brand)}
.logo span{font-size:11px;display:block;font-weight:500;color:var(--muted);letter-spacing:.4px;margin-top:-4px}
.search{flex:1;display:flex;max-width:620px;position:relative}
.search input{
  flex:1;border:2px solid var(--ink);border-right:none;border-radius:8px 0 0 8px;
  padding:10px 14px;font-size:14px;outline:none;
}
.search input:focus{border-color:var(--brand)}
.search button{
  background:var(--brand);color:#fff;padding:0 22px;border-radius:0 8px 8px 0;
  font-weight:700;font-size:14px;
}
.search button:hover{background:var(--brand-d)}
.head-actions{display:flex;gap:18px;align-items:center;font-size:13px;margin-left:auto}
.head-actions .act{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--ink2);cursor:pointer}
.head-actions .act:hover{color:var(--brand)}
.head-actions .act i{font-style:normal;font-size:19px;line-height:1}
.pickup{
  display:flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);
  border-radius:8px;font-size:12.5px;color:var(--ink2);cursor:pointer;background:var(--bg2)
}
.pickup:hover{border-color:var(--brand)}

/* ---------- 分类导航条 ---------- */
.catbar{border-top:1px solid var(--line);background:#fff}
.catbar .wrap{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.catbar .wrap::-webkit-scrollbar{display:none}
.catbar a{padding:11px 14px;font-size:13.5px;font-weight:600;color:var(--ink2);white-space:nowrap;border-bottom:3px solid transparent}
.catbar a:hover,.catbar a.on{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- 分类横条 / 图标格 ---------- */
.section{padding:34px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px;gap:12px}
.section-head h2{font-size:20px;letter-spacing:-.3px}
.section-head .more{font-size:13px;color:var(--brand);font-weight:600}
.section-head .sub{font-size:13px;color:var(--muted);font-weight:400;margin-left:8px}

.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.icon-cell{
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 10px;text-align:center;
  background:#fff;transition:.15s;cursor:pointer;
}
.icon-cell:hover{border-color:var(--brand);box-shadow:0 4px 14px rgba(255,106,0,.12);transform:translateY(-2px)}
.icon-cell .ic{font-size:26px;margin-bottom:6px}
.icon-cell .nm{font-size:13px;font-weight:600}
.icon-cell .ct{font-size:11.5px;color:var(--muted)}

/* ---------- 倒计时急售横幅 ---------- */
.hero{
  background:linear-gradient(115deg,#14181d 0%,#232c36 52%,#3a2409 100%);
  color:#fff;border-radius:14px;padding:34px 38px;display:flex;align-items:center;
  justify-content:space-between;gap:30px;flex-wrap:wrap;overflow:hidden;position:relative;
}
.hero:after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,0,.38),transparent 68%);
}
.hero-txt{position:relative;z-index:1}
.hero h1{font-size:32px;line-height:1.25;letter-spacing:-.8px;margin-bottom:10px}
.hero h1 em{color:#FFB25E;font-style:normal}
.hero p{color:#b9c4cf;font-size:14px;max-width:520px;margin-bottom:18px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-weight:700;font-size:14px;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-stat{position:relative;z-index:1;display:flex;gap:26px;text-align:center}
.hero-stat .n{font-size:30px;font-weight:800;color:#FFB25E;line-height:1.1}
.hero-stat .l{font-size:11.5px;color:#9fab b7;color:#9fabb7;letter-spacing:.5px;text-transform:uppercase}

/* ---------- 过滤器 ---------- */
.filters{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:14px 16px;
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px
}
.filters select{
  border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:13px;background:#fff;
  color:var(--ink2);outline:none;font-family:inherit
}
.filters select:focus{border-color:var(--brand)}
.filters label{font-size:12.5px;color:var(--muted);margin-right:2px}
.filters .cnt{margin-left:auto;font-size:13px;color:var(--muted)}
.filters .clear{
  border:1px solid var(--line);background:#fff;color:var(--ink2);border-radius:7px;
  padding:8px 12px;font-size:12.5px;cursor:pointer;font-family:inherit
}
.filters .clear:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 商品网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:.16s;position:relative
}
.card:hover{box-shadow:0 8px 24px rgba(17,20,24,.10);transform:translateY(-3px);border-color:#cfd6dd}
.card-img{position:relative;aspect-ratio:1;background:#fff;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.lamp{
  position:absolute;top:9px;right:9px;font-size:10.5px;font-weight:800;letter-spacing:.4px;
  padding:3px 8px;border-radius:20px;color:#fff;display:flex;align-items:center;gap:4px
}
.lamp.RED{background:var(--red)}
.lamp.GREEN{background:var(--green)}
.lamp.YELLOW{background:var(--yellow)}
.lamp .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.card-tier{
  position:absolute;top:9px;left:9px;font-size:10px;font-weight:800;letter-spacing:.6px;
  padding:3px 8px;border-radius:4px
}
.tier-GOLD{background:var(--gold);color:#2a2100}
.tier-SILVER{background:var(--silver);color:#fff}
.tier-BRONZE{background:var(--bronze);color:#fff}
.card-body{padding:12px 13px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-wh{font-size:11.5px;color:var(--muted);display:flex;gap:5px;align-items:center;flex-wrap:wrap}
.card-wh .rid{font-weight:700;color:var(--ink2)}
.card-title{font-size:13.5px;line-height:1.45;font-weight:600;min-height:39px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-price{margin-top:auto;display:flex;align-items:baseline;gap:6px}
.card-price .p{font-size:19px;font-weight:800;letter-spacing:-.4px}
.card-price .u{font-size:11.5px;color:var(--muted)}
.card-meta{font-size:11.5px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.card-meta .r{color:var(--ink2);font-weight:600}
.ask{font-size:12px;color:var(--brand);font-weight:700}

/* ---------- 供应商条 ---------- */
.sup-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.sup-card{border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:#fff;transition:.15s}
.sup-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.sup-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.sup-name{font-size:13.5px;font-weight:700;line-height:1.3}
.sup-meta{font-size:11.5px;color:var(--muted)}
.sup-rating{display:flex;align-items:center;gap:5px;font-size:12px;margin-top:6px}
.stars{color:var(--gold);letter-spacing:-1px}

/* ---------- 详情页 ---------- */
.crumbs{font-size:12.5px;color:var(--muted);padding:16px 0}
.crumbs a:hover{color:var(--brand)}
.pdp{display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:start}
.gallery-main{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.gallery-main img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff}
.thumbs{display:flex;gap:8px;margin-top:10px}
.thumbs img{width:66px;height:66px;border:2px solid var(--line);border-radius:7px;object-fit:cover;cursor:pointer}
.thumbs img.on{border-color:var(--brand)}
.pdp-brand{font-size:12px;color:var(--muted);letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px}
.pdp h1{font-size:23px;line-height:1.35;letter-spacing:-.3px;margin-bottom:10px}
.pdp-codes{font-size:12px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.pdp-codes b{color:var(--ink2)}
.wh-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:11px 13px;border:1px solid var(--line);
  border-radius:9px;background:var(--bg2);font-size:12.5px;margin-bottom:16px
}
.wh-bar .t{padding:2px 8px;border-radius:4px;font-weight:800;font-size:10.5px;letter-spacing:.5px}
.wh-bar .sep{color:#c3ccd4}
.pdp-price{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.pdp-price .p{font-size:34px;font-weight:800;letter-spacing:-1px}
.pdp-price .tag{background:#fff3e8;color:#b25000;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:5px}
.cd-row{display:flex;align-items:center;gap:10px;padding:12px 0 16px;border-bottom:1px solid var(--line);margin-bottom:16px}
.cd-box{background:var(--ink);color:#fff;border-radius:7px;padding:6px 11px;font-variant-numeric:tabular-nums;font-weight:800;font-size:17px;min-width:52px;text-align:center}
.cd-box small{display:block;font-size:9.5px;color:#9fabb7;font-weight:500;letter-spacing:.5px}
.fulfil{display:grid;gap:9px;margin-bottom:18px}
.frow{display:flex;gap:11px;align-items:flex-start;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:13px}
.frow.no{opacity:.55}
.frow .ic{font-size:17px;line-height:1.2}
.frow b{display:block;font-size:13px}
.frow span{font-size:11.5px;color:var(--muted)}
.buy-row{display:flex;gap:10px;margin-bottom:18px}
.qty{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:38px;font-size:16px;color:var(--ink2);background:#fff}
.qty button:hover{background:var(--bg2)}
.qty input{width:52px;text-align:center;border:none;font-size:14px;font-family:inherit;outline:none}
.btn-block{flex:1;background:var(--brand);color:#fff;border-radius:8px;font-weight:800;font-size:15px;padding:13px}
.btn-block:hover{background:var(--brand-d)}
.btn-outline{border:1.5px solid var(--ink);border-radius:8px;font-weight:700;font-size:14px;padding:11px 18px;background:#fff}
.btn-outline:hover{background:var(--bg2)}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.spec-table th,.spec-table td{text-align:left;padding:9px 12px;border:1px solid var(--line)}
.spec-table th{background:var(--bg2);width:34%;font-weight:600;color:var(--ink2)}
.panel{border:1px solid var(--line);border-radius:11px;padding:22px;margin-top:26px}
.panel h3{font-size:16px;margin-bottom:12px}
.panel p{font-size:14px;color:var(--ink2);margin-bottom:8px}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:#a8b3be;margin-top:50px;padding:44px 0 26px;font-size:13px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;margin-bottom:30px}
footer h4{color:#fff;font-size:13.5px;margin-bottom:12px;letter-spacing:.3px}
footer a{display:block;padding:3px 0;color:#a8b3be}
footer a:hover{color:var(--brand)}
.foot-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:8px}
.foot-logo b{color:var(--brand)}
.foot-bottom{border-top:1px solid #2a3239;padding-top:16px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:#7d8791}

.no-img{display:flex;align-items:center;justify-content:center;background:var(--bg2);color:var(--muted);font-size:12px}

@media (max-width:1100px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .icon-grid{grid-template-columns:repeat(4,1fr)}
  .sup-strip{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:820px){
  .head-top{flex-wrap:wrap;gap:12px}
  .search{order:3;flex-basis:100%;max-width:none}
  .grid{grid-template-columns:repeat(2,1fr)}
  .icon-grid{grid-template-columns:repeat(3,1fr)}
  .sup-strip{grid-template-columns:repeat(2,1fr)}
  .pdp{grid-template-columns:1fr;gap:22px}
  .hero{padding:26px 22px}
  .hero h1{font-size:24px}
  .foot-grid{grid-template-columns:1fr 1fr}
}