:root{
  --void:#07070d;--panel:#0f0f18;--ink:#e8e8f0;--mute:#7a7a94;
  --cyan:#00f5ff;--magenta:#ff2bd6;--lime:#b8ff3c;--line:rgba(0,245,255,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;height:100%}
body{
  margin:0;color:var(--ink);background:var(--void);
  font-family:"Noto Sans TC","PingFang TC",sans-serif;line-height:1.65;font-size:15px;
  min-height:100%;min-height:100dvh;display:flex;flex-direction:column;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.15) 2px,rgba(0,0,0,.15) 4px);
  opacity:.35;
}
main{flex:1 0 auto;width:100%;position:relative;z-index:1}
a{color:var(--cyan);text-decoration:none;font-weight:700}
a:hover{color:var(--magenta)}
img{max-width:100%;display:block}
.skip{position:absolute;left:-999px}
.neon-head{
  position:sticky;top:0;z-index:50;background:rgba(7,7,13,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);box-shadow:0 0 24px rgba(0,245,255,.12);
}
.neon-head-inner{
  width:min(1180px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;
}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.logo img{height:32px;width:auto;max-width:160px;object-fit:contain}
.logo span{
  font-family:"Orbitron","Noto Sans TC",sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.12em;color:var(--magenta);text-shadow:0 0 12px rgba(255,43,214,.5);
}
.neon-nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:12px;font-weight:700}
.neon-nav a{color:var(--mute);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.neon-nav a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.neon-cart{
  background:transparent;color:var(--cyan);border:2px solid var(--cyan);padding:9px 18px;
  cursor:pointer;font-family:"Orbitron",sans-serif;font-size:11px;font-weight:700;letter-spacing:.08em;
  box-shadow:0 0 16px rgba(0,245,255,.25),inset 0 0 12px rgba(0,245,255,.08);
}
.neon-cart:hover{border-color:var(--magenta);color:var(--magenta);box-shadow:0 0 20px rgba(255,43,214,.35)}
.cart-count{background:var(--magenta);color:#fff;border-radius:99px;padding:0 6px;margin-left:4px;font-size:10px;display:none;font-weight:800}
.menu{background:var(--panel);border:1px solid var(--line);color:var(--cyan);padding:8px 12px;cursor:pointer;font:inherit}
.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
.cyber-hero{padding:56px 0 40px;text-align:center;position:relative}
.cyber-hero::after{
  content:"";position:absolute;left:10%;right:10%;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--magenta),transparent);
}
.cyber-hero h1{
  font-family:"Orbitron","Noto Sans TC",sans-serif;
  font-size:clamp(28px,5vw,48px);line-height:1.15;margin:0 0 16px;font-weight:800;
  text-shadow:0 0 20px rgba(0,245,255,.4);
}
.cyber-hero .lead{color:var(--mute);font-size:16px;max-width:38em;margin:0 auto 28px}
.cyber-hero .glitch{
  display:inline-block;font-size:11px;letter-spacing:.25em;color:var(--lime);
  margin-bottom:14px;font-family:"Orbitron",sans-serif;
}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.btn{
  display:inline-block;background:linear-gradient(135deg,var(--cyan),var(--magenta));color:#07070d;
  padding:14px 28px;font-family:"Orbitron",sans-serif;font-weight:800;font-size:12px;
  letter-spacing:.06em;border:0;text-decoration:none;
  box-shadow:0 0 24px rgba(0,245,255,.35);
}
.btn:hover{color:#07070d;filter:brightness(1.1)}
.btn-ghost{
  display:inline-block;border:2px solid var(--line);color:var(--cyan);padding:14px 28px;
  font-family:"Orbitron",sans-serif;font-weight:700;font-size:12px;background:transparent;text-decoration:none;
}
.btn-ghost:hover{border-color:var(--magenta);color:var(--magenta)}
.neon-stats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:20px;margin-bottom:44px;
}
.neon-stats div{
  border:1px solid var(--line);padding:14px 22px;background:var(--panel);
  font-size:12px;font-weight:700;color:var(--mute);min-width:120px;text-align:center;
  box-shadow:0 0 16px rgba(0,245,255,.08);
}
.neon-stats strong{display:block;font-family:"Orbitron",sans-serif;font-size:18px;color:var(--cyan);margin-bottom:4px}
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px}
.chip-row a{
  border:1px solid var(--line);padding:8px 18px;font-size:12px;font-weight:700;
  color:var(--mute);text-decoration:none;background:var(--panel);
}
.chip-row a:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 12px rgba(0,245,255,.2)}
.section-head{text-align:center;margin-bottom:28px}
.section-head h2{font-family:"Orbitron",sans-serif;font-size:22px;margin:0 0 8px;text-shadow:0 0 12px rgba(255,43,214,.3)}
.section-head p{color:var(--mute);margin:0;font-size:13px}
.holo-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-bottom:48px;
}
.holo-card{
  grid-column:span 4;background:var(--panel);border:1px solid var(--line);padding:12px;
  position:relative;transition:box-shadow .2s,transform .15s;
}
.holo-card::before{
  content:"";position:absolute;inset:-1px;border:1px solid transparent;
  background:linear-gradient(135deg,var(--cyan),var(--magenta)) border-box;
  -webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.2s;pointer-events:none;
}
.holo-card:hover{transform:translateY(-4px);box-shadow:0 0 28px rgba(0,245,255,.15)}
.holo-card:hover::before{opacity:1}
.holo-card.wide{grid-column:span 6}
.holo-card.tall .thumb-wrap{aspect-ratio:4/5}
.thumb-wrap{aspect-ratio:1/1;overflow:hidden;background:#1a1a28;border-radius:8px}
.thumb-wrap img{width:100%;height:100%;object-fit:cover}
.holo-card .tag{font-size:10px;font-weight:800;color:var(--magenta);letter-spacing:.08em}
.holo-card .brand{font-size:11px;color:var(--mute);font-weight:600}
.holo-card .name{font-size:14px;font-weight:800;margin:6px 0 8px;color:var(--ink);display:block;line-height:1.35}
.holo-card .name:hover{color:var(--cyan)}
.holo-card .price{font-size:20px;font-weight:800;color:var(--cyan);margin-bottom:10px;font-family:"Orbitron",sans-serif}
.holo-card .add{
  width:100%;background:transparent;border:1px solid var(--cyan);color:var(--cyan);
  padding:10px;font:inherit;font-weight:800;font-size:11px;cursor:pointer;
  font-family:"Orbitron",sans-serif;letter-spacing:.04em;
}
.holo-card .add:hover{background:var(--cyan);color:var(--void)}
.page-hero{
  border:1px solid var(--line);padding:28px 32px;margin-top:32px;margin-bottom:28px;
  background:var(--panel);box-shadow:0 0 24px rgba(0,245,255,.08);
}
.page-hero h1{font-family:"Orbitron",sans-serif;font-size:26px;margin:0 0 8px}
.page-hero p{color:var(--mute);margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;justify-content:center}
.chips button{
  border:1px solid var(--line);background:var(--panel);padding:8px 18px;cursor:pointer;
  font:inherit;font-size:12px;font-weight:700;color:var(--mute);
}
.chips button.on{background:linear-gradient(135deg,var(--cyan),var(--magenta));color:var(--void);border-color:transparent}
.legal{
  border:1px solid var(--line);padding:32px;margin-top:32px;margin-bottom:32px;
  background:var(--panel);
}
.legal h2{font-family:"Orbitron",sans-serif;font-size:16px;margin:24px 0 10px;color:var(--cyan)}
.legal h2:first-of-type{margin-top:0}
.legal p{color:var(--mute);margin:0 0 12px}
.pdp-shell{
  border:1px solid var(--line);padding:28px;margin-top:32px;margin-bottom:24px;
  background:var(--panel);box-shadow:0 0 32px rgba(0,245,255,.1);
}
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.pdp-cover .thumb-wrap{border-radius:8px;border:1px solid var(--line)}
.crumb{font-size:12px;color:var(--mute);margin-bottom:12px}
.crumb a{color:var(--mute)}
.pdp h1{font-size:clamp(20px,3vw,26px);line-height:1.3;margin:0 0 12px;font-weight:800}
.price-lg{font-size:34px;font-weight:800;color:var(--cyan);margin:0 0 16px;font-family:"Orbitron",sans-serif}
.pdp-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pdp-pills span{
  border:1px solid var(--line);font-size:11px;font-weight:700;padding:6px 12px;color:var(--mute);
}
.rich p{margin:0 0 10px;color:var(--mute);font-size:14px}
.spec{width:100%;border-collapse:collapse;margin:16px 0;font-size:13px;border:1px solid var(--line)}
.spec th,.spec td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.spec th{background:rgba(0,245,255,.06);width:36%;font-weight:700;color:var(--cyan)}
.buyrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.buyrow button{
  padding:14px 28px;font:inherit;font-weight:800;font-size:13px;cursor:pointer;border:0;
  font-family:"Orbitron",sans-serif;letter-spacing:.04em;
}
.buyrow .solid{background:linear-gradient(135deg,var(--cyan),var(--magenta));color:var(--void)}
.buyrow .buy{background:transparent;border:2px solid var(--cyan);color:var(--cyan)}
.buyrow button:hover{filter:brightness(1.1)}
.variant-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.variant{
  border:1px solid var(--line);background:var(--void);padding:5px;cursor:pointer;
  width:52px;text-align:center;font-size:9px;border-radius:6px;
}
.variant:hover{border-color:var(--cyan)}
.variant img{width:52px;height:52px;object-fit:cover;border-radius:4px;display:block;margin-bottom:3px}
.variant span{display:block;line-height:1.2;color:var(--mute)}
.related{margin:24px 0 40px}
.related h2{font-family:"Orbitron",sans-serif;font-size:20px;margin:0 0 20px;text-align:center}
.faq details{border:1px solid var(--line);margin-bottom:10px;background:var(--panel)}
.faq summary{padding:16px 20px;cursor:pointer;font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--cyan);background:rgba(0,245,255,.06)}
.faq p{padding:16px 20px;margin:0;color:var(--mute);border-top:1px solid var(--line)}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-top:20px}
.cats a{
  display:block;padding:18px;border:1px solid var(--line);color:var(--ink);
  text-decoration:none;font-weight:800;background:var(--panel);
}
.cats a:hover{border-color:var(--cyan);box-shadow:0 0 16px rgba(0,245,255,.15)}
.cats small{display:block;color:var(--mute);font-size:12px;margin-top:6px;font-weight:600}
footer{
  flex-shrink:0;border-top:1px solid var(--line);padding:44px 0 36px;margin-top:auto;
  background:rgba(7,7,13,.95);position:relative;z-index:1;
}
.foot{width:min(1180px,calc(100% - 32px));margin:0 auto;text-align:center}
.foot-brand{font-family:"Orbitron",sans-serif;font-size:16px;margin-bottom:8px}
.foot p{color:var(--mute);font-size:13px;margin:0 0 20px}
.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;font-size:13px;font-weight:700}
.foot-links a{color:var(--mute)}
.foot-links a:hover{color:var(--cyan)}
.age{margin-top:24px;font-size:11px;color:var(--mute)}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.7);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(--panel);border-left:1px solid var(--cyan);z-index:90;display:none;overflow:auto;
  box-shadow:-8px 0 32px rgba(0,245,255,.15);
}
.panel header{
  display:flex;justify-content:space-between;align-items:center;padding:18px 20px;
  border-bottom:1px solid var(--line);font-family:"Orbitron",sans-serif;font-size:16px;
}
.panel .close{background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}
.cart-box{padding:18px 20px}
.cart-item{display:grid;grid-template-columns:64px 1fr;gap:12px;margin-bottom:16px}
.cart-item img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.cart-item .rm{color:var(--magenta);cursor:pointer;font-size:12px;font-weight:800}
.total{font-size:24px;font-weight:800;color:var(--cyan);margin:12px 0;font-family:"Orbitron",sans-serif}
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:linear-gradient(135deg,var(--cyan),var(--magenta));color:var(--void);
  padding:12px 24px;opacity:0;transition:.2s;z-index:100;font-weight:800;font-size:13px;
  font-family:"Orbitron",sans-serif;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:900px){
  .holo-grid{grid-template-columns:repeat(2,1fr)}
  .holo-card,.holo-card.wide{grid-column:span 1}
  .pdp{grid-template-columns:1fr}
  .neon-nav{display:none}
  .neon-nav.open{
    display:flex;flex-direction:column;position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    background:var(--panel);padding:16px;border:1px solid var(--line);z-index:60;
  }
  .neon-head-inner{position:relative;flex-wrap:wrap}
  .menu{display:inline-block}
}
@media(min-width:901px){.menu{display:none}}
@media(max-width:520px){.holo-grid{grid-template-columns:1fr}}