:root{
  --navy:#0c1a2e;--navy2:#152238;--gold:#d4a853;--gold2:#f0c96e;
  --paper:#f4f6f9;--card:#fff;--ink:#0f172a;--mute:#64748b;--line:#1e293b;
  --content-max:1100px;
  --gutter:clamp(16px,3vw,24px);
  --radius:14px;
  --shadow:0 8px 28px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;height:100%}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:"DM Sans","Noto Sans TC","PingFang TC",sans-serif;
  line-height:1.6;font-size:15px;min-height:100%;min-height:100dvh;
  padding-bottom:calc(72px + env(safe-area-inset-bottom,0px));
  display:flex;flex-direction:column;
}
main{flex:1 0 auto;width:100%}
a{color:var(--navy);text-decoration:none;font-weight:600}
a:hover{color:var(--gold)}
img{max-width:100%;display:block}
.skip{position:absolute;left:-999px}
.top-inner,.wrap{
  width:min(var(--content-max),calc(100% - var(--gutter)*2));
  margin-left:auto;margin-right:auto;
}
.wrap{padding:var(--gutter) 0}
.ribbon{
  background:linear-gradient(90deg,var(--gold),var(--gold2));
  color:var(--navy);text-align:center;
  font-size:11px;font-weight:800;padding:7px 12px;letter-spacing:.04em;
  border-bottom:1px solid rgba(12,26,46,.12);
}
.mini-top{
  background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08);
  position:sticky;top:0;z-index:40;
  box-shadow:0 4px 16px rgba(12,26,46,.18);
}
.mini-top .top-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 0;
}
.mini-top .logo{display:flex;align-items:center;flex-shrink:0}
.mini-top .logo img{height:34px;width:auto;max-width:180px;object-fit:contain}
.top-nav{
  display:none;flex:1;justify-content:center;flex-wrap:wrap;gap:6px 14px;
  font-size:13px;font-weight:700;
}
.top-nav a{color:#cbd5e1;text-decoration:none;padding:6px 0}
.top-nav a:hover{color:var(--gold)}
.mini-top .dock-cart{
  flex-shrink:0;background:var(--gold);color:var(--navy);border:0;padding:9px 16px;
  font:inherit;font-weight:800;font-size:12px;cursor:pointer;border-radius:8px;
}
.mini-top .dock-cart:hover{background:var(--gold2)}
.cart-count{background:var(--navy);color:#fff;border-radius:99px;padding:0 6px;margin-left:4px;font-size:10px;display:none;font-weight:800}
.cat-bar{background:var(--card);border-bottom:1px solid #e2e8f0;box-shadow:0 1px 0 rgba(15,23,42,.04)}
.cat-bar .top-inner{padding:0;display:flex;justify-content:center}
.cat-scroll{
  display:flex;gap:10px;padding:12px 0;overflow-x:auto;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
  width:100%;max-width:100%;
}
.cat-scroll::-webkit-scrollbar{display:none}
.cat-scroll a{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:6px;
  min-width:76px;padding:10px 10px;border-radius:12px;background:var(--paper);
  color:var(--ink);font-size:11px;font-weight:800;text-decoration:none;
  border:1px solid transparent;
}
.cat-scroll a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.cat-scroll .ico{
  width:40px;height:40px;border-radius:10px;background:var(--navy);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.intro-card{
  margin:0 0 20px;padding:clamp(20px,4vw,28px);border-radius:var(--radius);
  background:linear-gradient(135deg,var(--navy),#1e3a5f);color:#fff;box-shadow:var(--shadow);
}
.intro-card h1{font-size:clamp(22px,4vw,32px);margin:0 0 10px;font-weight:800;line-height:1.25}
.intro-card p{margin:0 0 14px;font-size:14px;opacity:.9;max-width:40em;line-height:1.65}
.intro-card a{color:var(--gold2);font-weight:800;font-size:13px}
.dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.dash-stats div{
  background:var(--card);border-radius:12px;padding:16px 12px;text-align:center;
  border:1px solid #e2e8f0;box-shadow:var(--shadow);
}
.dash-stats strong{display:block;font-size:clamp(18px,3vw,24px);color:var(--navy);font-weight:800}
.dash-stats span{font-size:11px;color:var(--mute);font-weight:600}
.section-title{
  font-size:15px;font-weight:800;color:var(--navy);margin:0 0 12px;
}
.tab-bar{display:flex;gap:8px;margin-bottom:16px}
.tab-bar button{
  flex:1;min-width:0;padding:11px 10px;border:0;background:var(--card);border-radius:10px;
  font:inherit;font-size:12px;font-weight:800;color:var(--mute);cursor:pointer;
  border:1px solid #e2e8f0;
}
.tab-bar button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab-panel{display:none}
.tab-panel.on{display:block}
.h-row{
  display:flex;gap:14px;overflow-x:auto;padding-bottom:10px;margin-bottom:28px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.h-row::-webkit-scrollbar{display:none}
.row-card{
  flex:0 0 168px;background:var(--card);border-radius:var(--radius);padding:12px;
  border:1px solid #e2e8f0;box-shadow:var(--shadow);
}
.row-card .thumb-wrap{aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#eef2f7;margin-bottom:10px}
.row-card .thumb-wrap img{width:100%;height:100%;object-fit:cover}
.row-card .name{font-size:13px;font-weight:800;line-height:1.4;color:var(--ink);display:block;margin-bottom:6px}
.row-card .price{font-size:16px;font-weight:800;color:var(--navy)}
.row-card .add{
  width:100%;margin-top:10px;padding:9px;background:var(--gold);border:0;
  border-radius:8px;font:inherit;font-size:11px;font-weight:800;cursor:pointer;color:var(--navy);
}
.row-card .add:hover{background:var(--gold2)}
.timeline{
  margin:0;background:var(--card);border-radius:var(--radius);padding:8px 20px;
  border:1px solid #e2e8f0;box-shadow:var(--shadow);
}
.timeline .step{
  display:grid;grid-template-columns:40px 1fr;gap:14px;padding:16px 0;
  border-bottom:1px dashed #e2e8f0;
}
.timeline .step:last-child{border-bottom:0}
.timeline .num{
  width:40px;height:40px;border-radius:50%;background:var(--navy);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.timeline h3{margin:0 0 4px;font-size:14px;font-weight:800}
.timeline p{margin:0;font-size:13px;color:var(--mute);line-height:1.55}
.page-cap{margin:0 0 18px}
.page-cap h1{font-size:clamp(22px,4vw,28px);margin:0 0 6px;font-weight:800;line-height:1.25}
.page-cap p{margin:0;color:var(--mute);font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chips button{
  padding:8px 14px;border:1px solid #e2e8f0;background:var(--card);border-radius:99px;
  font:inherit;font-size:12px;font-weight:700;color:var(--mute);cursor:pointer;
}
.chips button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.list-stack{display:flex;flex-direction:column;gap:12px;margin-bottom:8px}
.list-card{
  display:grid;grid-template-columns:96px 1fr;gap:12px 14px;align-items:center;
  background:var(--card);padding:14px;border-radius:var(--radius);border:1px solid #e2e8f0;
  box-shadow:var(--shadow);
}
.list-card .thumb-wrap{width:96px;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#eef2f7}
.list-card .thumb-wrap img{width:100%;height:100%;object-fit:cover}
.list-card .name{font-size:14px;font-weight:800;line-height:1.4;display:block;margin-bottom:4px;color:var(--ink)}
.list-card .brand{font-size:11px;color:var(--mute);font-weight:600}
.list-card .price{font-size:18px;font-weight:800;color:var(--navy);margin-top:4px}
.list-card .add{
  grid-column:1/-1;width:100%;padding:11px 14px;background:var(--gold);border:0;border-radius:8px;
  font:inherit;font-size:12px;font-weight:800;cursor:pointer;color:var(--navy);
}
.list-card .add:hover{background:var(--gold2)}
.legal{
  background:var(--card);border-radius:var(--radius);padding:clamp(20px,4vw,32px);
  margin-top:0;margin-bottom:0;border:1px solid #e2e8f0;box-shadow:var(--shadow);
}
.legal h2{font-size:17px;margin:22px 0 8px;font-weight:800;color:var(--navy)}
.legal h2:first-of-type{margin-top:0}
.legal p{color:var(--mute);margin:0 0 12px;font-size:14px;line-height:1.65}
.pdp-wrap{margin-bottom:calc(80px + env(safe-area-inset-bottom,0px))}
.pdp{display:block}
.pdp-cover .thumb-wrap{aspect-ratio:1/1;border-radius:var(--radius);overflow:hidden;background:#eef2f7;margin-bottom:0;box-shadow:var(--shadow)}
.crumb{font-size:12px;color:var(--mute);margin-bottom:10px;line-height:1.5}
.pdp h1{font-size:clamp(18px,3vw,26px);line-height:1.35;margin:0 0 10px;font-weight:800}
.price-lg{font-size:clamp(26px,4vw,32px);font-weight:800;color:var(--navy);margin:0 0 14px}
.pdp-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.pdp-tags span{font-size:10px;font-weight:800;padding:5px 10px;background:var(--paper);border-radius:6px;color:var(--mute)}
.rich p{margin:0 0 10px;color:var(--mute);font-size:14px;line-height:1.65}
.spec{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
.spec th,.spec td{padding:10px 12px;text-align:left;border-bottom:1px solid #e2e8f0;vertical-align:top}
.spec th{background:var(--paper);width:36%;font-weight:800;color:var(--navy)}
.variant-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.variant{
  border:1px solid #e2e8f0;background:var(--card);padding:5px;cursor:pointer;
  width:52px;text-align:center;font-size:9px;border-radius:8px;
}
.variant img{width:52px;height:52px;object-fit:cover;border-radius:6px;display:block;margin-bottom:3px}
.variant span{display:block;line-height:1.2;color:var(--mute)}
.buy-bar{
  position:fixed;left:0;right:0;bottom:calc(72px + env(safe-area-inset-bottom,0px));z-index:40;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid #e2e8f0;padding:10px var(--gutter);
  box-shadow:0 -4px 20px rgba(15,23,42,.08);
}
.buy-bar-inner{
  width:min(var(--content-max),calc(100% - var(--gutter)*2));margin:0 auto;
  display:flex;gap:10px;
}
.buy-bar button{
  flex:1;padding:12px;font:inherit;font-weight:800;font-size:13px;cursor:pointer;border-radius:10px;border:0;
}
.buy-bar .solid{background:var(--navy);color:#fff}
.buy-bar .buy{background:var(--gold);color:var(--navy)}
.related{margin:28px 0 0}
.related h2{font-size:18px;margin:0 0 14px;font-weight:800}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:16px}
.cats a{
  display:block;padding:16px;background:var(--card);border-radius:12px;
  border:1px solid #e2e8f0;color:var(--ink);font-weight:800;text-decoration:none;
  box-shadow:var(--shadow);
}
.cats small{display:block;color:var(--mute);font-size:12px;margin-top:4px;font-weight:600}
.faq details{background:var(--card);border-radius:12px;margin-bottom:8px;border:1px solid #e2e8f0}
.faq summary{padding:14px 16px;cursor:pointer;font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{padding:14px 16px;margin:0;color:var(--mute);border-top:1px solid #e2e8f0;font-size:14px;line-height:1.65}
.site-foot{
  background:var(--navy);color:#94a3b8;padding:32px 0 24px;margin-top:auto;
  flex-shrink:0;
}
.site-foot .wrap{padding:0;color:inherit}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:13px}
.foot-grid a{color:#cbd5e1;display:block;margin-bottom:8px;font-weight:600}
.foot-grid a:hover{color:var(--gold)}
.foot-note{margin-top:16px;font-size:11px;opacity:.75;line-height:1.5}
.bottom-dock{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:var(--navy2);display:flex;justify-content:space-around;
  padding:8px 4px calc(10px + env(safe-area-inset-bottom,0px));
  border-top:1px solid rgba(255,255,255,.08);
}
.bottom-dock a{
  flex:1;text-align:center;color:#94a3b8;font-size:10px;font-weight:800;
  text-decoration:none;padding:4px 2px;
}
.bottom-dock a.on,.bottom-dock a:hover{color:var(--gold)}
.bottom-dock button.dock-cart{
  flex:1;text-align:center;color:#94a3b8;font-size:10px;font-weight:800;
  background:none;border:0;padding:4px 2px;cursor:pointer;font:inherit;
}
.bottom-dock button.dock-cart:hover{color:var(--gold)}
.bottom-dock .ic{display:block;font-size:18px;margin-bottom:2px}
.mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;z-index:80}
.mask.show,.panel.show{display:block}
.panel{
  position:fixed;right:0;top:0;height:100%;width:min(400px,100%);
  background:var(--paper);z-index:90;display:none;overflow:auto;
  box-shadow:-8px 0 32px rgba(15,23,42,.15);
}
.panel header{
  display:flex;justify-content:space-between;align-items:center;padding:16px 18px;
  background:var(--navy);color:#fff;font-weight:800;
}
.panel .close{background:none;border:0;font-size:24px;cursor:pointer;color:#fff}
.cart-box{padding:16px 18px}
.cart-item{display:grid;grid-template-columns:64px 1fr;gap:12px;margin-bottom:14px}
.cart-item img{width:64px;height:64px;object-fit:cover;border-radius:8px}
.cart-item .rm{color:#b45309;cursor:pointer;font-size:12px;font-weight:800}
.total{font-size:22px;font-weight:800;color:var(--navy);margin:10px 0}
.toast{
  position:fixed;bottom:calc(88px + env(safe-area-inset-bottom,0px));left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--navy);color:#fff;padding:10px 20px;border-radius:99px;
  opacity:0;transition:.2s;z-index:100;font-weight:800;font-size:12px;
  max-width:calc(100% - 32px);text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(min-width:768px){
  body{padding-bottom:0}
  .bottom-dock{display:none}
  .buy-bar{bottom:0;padding:12px var(--gutter)}
  .top-nav{display:flex}
  .cat-scroll{
    display:grid;grid-template-columns:repeat(7,minmax(0,1fr));
    gap:10px 12px;overflow:visible;justify-content:center;
  }
  .cat-scroll a{min-width:0;width:100%}
  .list-card{
    grid-template-columns:112px 1fr auto;align-items:center;
  }
  .list-card .add{grid-column:auto;width:auto;min-width:120px;padding:12px 18px}
  .foot-grid{grid-template-columns:1.2fr 1fr}
}
@media(min-width:900px){
  .h-row{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;overflow:visible;padding-bottom:0;
  }
  .row-card{flex:none}
  .pdp{
    display:grid;grid-template-columns:minmax(280px,1fr) 1fr;gap:32px;align-items:start;
  }
  .pdp-cover{grid-column:1;grid-row:1}
  .pdp-detail{grid-column:2;grid-row:1}
  .pdp-variants{grid-column:1/-1}
  .related .h-row{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:380px){
  .dash-stats{grid-template-columns:1fr;gap:8px}
  .dash-stats div{display:flex;align-items:center;justify-content:space-between;text-align:left;padding:12px 14px}
  .dash-stats strong{font-size:16px}
}