:root{
  --violet:#5b4fd6;--violet2:#7c6ef0;--cyan:#00c2d4;--ink:#14121f;
  --mute:#5c5868;--paper:#ffffff;--wash:#f4f3fa;--line:#e4e2ef;
  --grad:linear-gradient(135deg,var(--violet) 0%,var(--cyan) 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;height:100%}
body{
  margin:0;color:var(--ink);background:var(--wash);
  font-family:"Outfit","Noto Sans TC",sans-serif;
  line-height:1.6;font-size:15px;min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;
}
a{color:var(--violet);text-decoration:none;font-weight:600}
a:hover{color:var(--violet2)}
img{max-width:100%;display:block}
.skip{position:absolute;left:-999px}
.dash-bar{
  flex-shrink:0;display:flex;align-items:center;gap:16px;padding:12px 24px;
  background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;
}
.dash-bar .logo img{height:60px;width:60px;object-fit:contain}
.dash-nav{display:flex;flex-wrap:wrap;gap:4px 16px;flex:1;font-size:14px;font-weight:600}
.dash-nav a{color:var(--mute)}
.dash-nav a:hover{color:var(--violet)}
.dash-cart{
  padding:10px 18px;background:var(--grad);color:var(--paper);border:0;
  font:inherit;font-weight:700;font-size:13px;cursor:pointer;border-radius:8px;
}
.dash-cart:hover{opacity:.92}
.cart-count{background:var(--paper);color:var(--violet);border-radius:99px;padding:0 6px;margin-left:4px;font-size:10px;display:none;font-weight:800}
.speed-banner{
  background:var(--grad);color:var(--paper);text-align:center;padding:10px 16px;
  font-size:13px;font-weight:700;
}
main{flex:1 0 auto;width:100%}
.shell{display:flex;max-width:1200px;margin:0 auto;width:100%}
.onboard-rail{
  width:220px;flex-shrink:0;padding:28px 20px 40px;border-right:1px solid var(--line);
  background:var(--paper);position:sticky;top:73px;height:calc(100vh - 73px);height:calc(100dvh - 73px);
}
.onboard-rail h2{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--mute);margin:0 0 16px;font-weight:700}
.step{display:flex;gap:12px;margin-bottom:20px;position:relative}
.step:not(:last-child)::after{
  content:"";position:absolute;left:14px;top:32px;width:2px;height:calc(100% + 4px);
  background:var(--line);
}
.step-num{
  width:28px;height:28px;border-radius:50%;background:var(--wash);border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;
}
.step.on .step-num{background:var(--violet);border-color:var(--violet);color:var(--paper)}
.step-body{min-width:0}
.step-body strong{display:block;font-size:13px;font-weight:700}
.step-body span{font-size:12px;color:var(--mute)}
.step-body a{font-size:12px;display:block;margin-top:4px}
.shell-main{flex:1;min-width:0;padding:0}
.intro{padding:32px 28px 24px}
.intro h1{font-size:clamp(26px,4vw,38px);margin:0 0 10px;font-weight:800;line-height:1.2}
.intro p{margin:0;color:var(--mute);max-width:38em}
.intro-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.intro-tags span{
  font-size:11px;font-weight:800;padding:6px 12px;background:var(--paper);
  border:1px solid var(--line);border-radius:6px;color:var(--violet);
}
.sec{padding:8px 28px 32px}
.sec-head{margin-bottom:14px;display:flex;align-items:baseline;gap:10px}
.sec-head h2{font-size:18px;margin:0;font-weight:800}
.sec-head a{font-size:13px}
.dash-list{display:flex;flex-direction:column;gap:10px}
.dash-row{
  display:grid;grid-template-columns:72px 1fr auto auto;gap:14px;align-items:center;
  background:var(--paper);padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  transition:border-color .2s,box-shadow .2s;
}
.dash-row:hover{border-color:var(--violet2);box-shadow:0 4px 20px rgba(91,79,214,.12)}
.dash-row .thumb{width:72px;height:72px;border-radius:10px;overflow:hidden;background:var(--wash)}
.dash-row .thumb img{width:72px;height:72px;object-fit:cover}
.dash-row .meta{min-width:0}
.dash-row .brand{font-size:10px;color:var(--mute);font-weight:800;letter-spacing:.05em}
.dash-row .name{font-size:14px;font-weight:700;display:block;margin-top:2px;color:var(--ink);line-height:1.35}
.dash-row .badge{
  font-size:9px;font-weight:800;padding:3px 8px;background:var(--grad);color:var(--paper);
  border-radius:4px;white-space:nowrap;
}
.dash-row .price{font-size:17px;font-weight:800;color:var(--violet);white-space:nowrap}
.dash-row .add{
  padding:8px 14px;background:var(--wash);border:1px solid var(--line);color:var(--violet);
  font:inherit;font-size:11px;font-weight:800;cursor:pointer;border-radius:8px;
}
.dash-row .add:hover{background:var(--violet);color:var(--paper);border-color:var(--violet)}
.page-title{padding:28px 28px 0}
.page-title h1{font-size:26px;margin:0 0 6px;font-weight:800}
.page-title p{color:var(--mute);margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:14px 28px}
.chips button{
  padding:8px 14px;border:1px solid var(--line);background:var(--paper);
  font:inherit;font-size:12px;font-weight:700;color:var(--mute);cursor:pointer;border-radius:8px;
}
.chips button.on{background:var(--violet);color:var(--paper);border-color:var(--violet)}
.wrap{width:min(720px,calc(100% - 40px));margin:0 auto;padding:32px 0 48px}
.legal{background:var(--paper);border:1px solid var(--line);padding:28px;border-radius:12px}
.legal h1{font-size:22px;margin:0 0 8px;font-weight:800}
.legal h2{font-size:14px;margin:20px 0 8px;color:var(--violet);font-weight:800}
.legal p{color:var(--mute);margin:0 0 12px;font-size:14px}
.faq details{background:var(--paper);border:1px solid var(--line);margin-bottom:8px;border-radius:10px}
.faq summary{padding:14px 18px;cursor:pointer;font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{padding:14px 18px;margin:0;color:var(--mute);border-top:1px solid var(--line);font-size:14px}
.pdp-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:28px;align-items:start}
.pdp-img{background:var(--paper);border-radius:16px;padding:20px;border:1px solid var(--line)}
.pdp-img .inner{aspect-ratio:1;border-radius:12px;overflow:hidden;background:var(--wash)}
.pdp-img img{width:100%;height:100%;object-fit:cover}
.pdp-card{background:var(--paper);border-radius:16px;padding:24px;border:1px solid var(--line)}
.pdp-card h1{font-size:clamp(18px,2.5vw,24px);line-height:1.35;margin:0 0 12px;font-weight:800}
.price-lg{font-size:28px;font-weight:800;color:var(--violet);margin:0 0 14px}
.pdp-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pdp-tags span{font-size:10px;font-weight:800;padding:4px 10px;background:var(--wash);color:var(--violet);border-radius:6px}
.rich p{margin:0 0 10px;color:var(--mute);font-size:14px}
.spec{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
.spec th,.spec td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
.spec th{width:36%;font-weight:800;color:var(--mute);font-size:12px}
.buyrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.buyrow button{padding:12px 22px;font:inherit;font-weight:800;font-size:13px;cursor:pointer;border:0;border-radius:8px}
.buyrow .solid{background:var(--grad);color:var(--paper)}
.buyrow .buy{background:var(--paper);color:var(--ink);border:2px solid var(--line)}
.buyrow .buy:hover{border-color:var(--violet);color:var(--violet)}
.variant-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.variant{border:1px solid var(--line);background:var(--paper);padding:4px;cursor:pointer;width:52px;border-radius:8px}
.variant img{width:52px;height:52px;object-fit:cover;display:block;border-radius:4px}
.variant span{display:block;font-size:8px;color:var(--mute);text-align:center}
.related{padding:0 28px 32px}
.related h2{font-size:17px;margin:0 0 14px;font-weight:800}
.foot{
  flex-shrink:0;margin-top:auto;padding:32px 28px;background:var(--ink);color:rgba(255,255,255,.8);
  font-size:13px;display:flex;justify-content:center;
}
.foot-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:28px 72px;
  width:min(960px,calc(100% - 48px));margin:0 auto;align-items:start;
}
.foot h2{color:var(--paper);font-size:14px;margin:0 0 8px;font-weight:800}
.foot a{color:rgba(255,255,255,.65);display:block;margin-bottom:6px;font-weight:600;font-size:12px}
.foot a:hover{color:var(--paper)}
.foot-note{font-size:11px;margin-top:10px;opacity:.6}
.mask{position:fixed;inset:0;background:rgba(20,18,31,.5);display:none;z-index:80}
.mask.show,.flycart.show{display:block}
.flycart{
  position:fixed;right:0;top:0;height:100%;width:min(380px,100%);background:var(--paper);
  z-index:90;display:none;overflow:auto;border-left:1px solid var(--line);
}
.flycart header{
  display:flex;justify-content:space-between;align-items:center;padding:16px 20px;
  background:var(--grad);color:var(--paper);font-weight:800;
}
.flycart .close{background:none;border:0;font-size:28px;cursor:pointer;color:var(--paper)}
.cart-box{padding:18px 20px}
.cart-item{display:grid;grid-template-columns:60px 1fr;gap:12px;margin-bottom:14px}
.cart-item img{width:60px;height:60px;object-fit:cover;border-radius:8px}
.cart-item .rm{color:var(--violet);cursor:pointer;font-size:12px;font-weight:800}
.total{font-size:22px;font-weight:800;color:var(--violet);margin:12px 0}
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--violet);color:var(--paper);padding:12px 22px;border-radius:8px;
  opacity:0;transition:.2s;z-index:100;font-weight:800;font-size:13px;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.rail-toggle{
  display:none;margin:12px 20px;padding:10px;background:var(--paper);border:1px solid var(--line);
  font:inherit;font-weight:700;cursor:pointer;border-radius:8px;width:calc(100% - 40px);
}
@media(max-width:900px){
  .rail-toggle{display:block}
  .shell{flex-direction:column}
  .onboard-rail{
    position:fixed;left:0;top:73px;z-index:55;width:min(240px,90vw);height:calc(100% - 73px);
    transform:translateX(-100%);transition:.25s;
  }
  .onboard-rail.open{transform:translateX(0)}
  .pdp-wrap{grid-template-columns:1fr;padding:20px 16px}
  .dash-row{grid-template-columns:64px 1fr auto;padding:10px 12px;gap:10px}
  .dash-row .thumb,.dash-row .thumb img{width:64px;height:64px}
  .foot-inner{grid-template-columns:1fr}
}