:root{
  --slate:#12151a;--slate2:#1a1e26;--slate3:#232830;
  --amber:#e8a317;--amber2:#f0b840;--ink:#e8eaed;--mute:#8b939e;
  --line:#2e343d;--line2:#3a424d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;height:100%}
body{
  margin:0;color:var(--ink);background:var(--slate);
  font-family:"Noto Sans TC","PingFang TC",sans-serif;
  line-height:1.65;font-size:15px;min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;
}
a{color:var(--amber);text-decoration:none;font-weight:600}
a:hover{color:var(--amber2)}
img{max-width:100%;display:block}
.skip{position:absolute;left:-999px}
.mono{font-family:"IBM Plex Mono","Noto Sans Mono",monospace}
.term-bar{
  flex-shrink:0;display:flex;align-items:center;gap:20px;
  padding:10px 20px;background:var(--slate2);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:60;
}
.term-bar .logo{display:flex;align-items:center;flex-shrink:0}
.term-bar .logo img{height:72px;width:72px;max-width:72px;object-fit:contain}
.term-nav{
  display:flex;flex-wrap:wrap;gap:4px 18px;flex:1;font-size:13px;font-weight:600;
}
.term-nav a{color:var(--mute);text-decoration:none}
.term-nav a:hover{color:var(--amber)}
.term-cart{
  flex-shrink:0;padding:9px 18px;background:var(--amber);color:var(--slate);
  border:0;font:inherit;font-weight:800;font-size:12px;cursor:pointer;
  font-family:"IBM Plex Mono",monospace;letter-spacing:.04em;
}
.term-cart:hover{background:var(--amber2)}
.cart-count{background:var(--slate);color:var(--amber);border-radius:99px;padding:0 6px;margin-left:4px;font-size:10px;display:none;font-weight:800}
.ledger-shell{display:flex;flex:1;min-height:0;width:100%}
.ledger-index{
  width:200px;flex-shrink:0;background:var(--slate2);border-right:1px solid var(--line);
  padding:20px 0;position:sticky;top:73px;height:calc(100vh - 73px);height:calc(100dvh - 73px);
  overflow-y:auto;font-family:"IBM Plex Mono",monospace;font-size:12px;
}
.ledger-index h2{
  font-size:9px;text-transform:uppercase;letter-spacing:.14em;color:var(--mute);
  margin:0 0 10px;padding:0 16px;font-weight:700;
}
.ledger-index nav{margin-bottom:24px}
.ledger-index a{
  display:flex;align-items:baseline;gap:8px;padding:7px 16px;
  color:var(--mute);text-decoration:none;font-weight:600;border-left:2px solid transparent;
}
.ledger-index a:hover,.ledger-index a.on{color:var(--amber);border-left-color:var(--amber);background:rgba(232,163,23,.06)}
.ledger-index .num{color:var(--amber);font-size:11px;min-width:22px}
.ledger-main{flex:1;min-width:0;display:flex;flex-direction:column}
.ledger-main--solo{max-width:960px;margin:0 auto;width:100%}
main{flex:1 0 auto;width:100%}
.ledger-intro{padding:28px 28px 20px;border-bottom:1px solid var(--line)}
.ledger-intro h1{
  font-family:"IBM Plex Mono",monospace;font-size:clamp(22px,3.5vw,32px);
  margin:0 0 10px;font-weight:700;color:var(--ink);letter-spacing:-.02em;
}
.ledger-intro p{margin:0;color:var(--mute);font-size:14px;max-width:42em}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:0;background:var(--amber);color:var(--slate);
  font-family:"IBM Plex Mono",monospace;font-size:11px;font-weight:700;letter-spacing:.06em;
}
.stat-strip span{flex:1;min-width:120px;padding:10px 16px;border-right:1px solid rgba(18,21,26,.15);text-align:center}
.stat-strip span:last-child{border-right:0}
.ledger-section{padding:0 0 8px}
.ledger-section-head{
  display:flex;align-items:baseline;gap:12px;padding:20px 28px 12px;
  border-bottom:1px solid var(--line);margin-bottom:0;
}
.ledger-section-head h2{
  font-family:"IBM Plex Mono",monospace;font-size:14px;margin:0;font-weight:700;color:var(--amber);
  letter-spacing:.04em;
}
.ledger-section-head a{font-size:12px;color:var(--mute);font-weight:600;margin-left:auto}
.ledger-rows{border-top:1px solid var(--line)}
.ledger-row{
  display:grid;grid-template-columns:36px 64px 1fr auto auto;gap:14px;align-items:center;
  padding:12px 28px;border-bottom:1px solid var(--line);transition:background .15s;
}
.ledger-row:hover{background:var(--slate2)}
.ledger-row .idx{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--mute);text-align:right}
.ledger-row .thumb{width:64px;height:64px;border-radius:4px;overflow:hidden;background:var(--slate3);border:1px solid var(--line)}
.ledger-row .thumb img{width:64px;height:64px;object-fit:cover}
.ledger-row .meta{min-width:0}
.ledger-row .brand{font-size:10px;color:var(--mute);font-weight:700;letter-spacing:.04em;font-family:"IBM Plex Mono",monospace}
.ledger-row .name{
  font-size:14px;font-weight:700;color:var(--ink);display:block;margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ledger-row .price{
  font-family:"IBM Plex Mono",monospace;font-size:15px;font-weight:700;color:var(--amber);white-space:nowrap;
}
.ledger-row .add{
  padding:8px 14px;background:transparent;color:var(--amber);border:1px solid var(--amber);
  font:inherit;font-size:11px;font-weight:800;cursor:pointer;
  font-family:"IBM Plex Mono",monospace;white-space:nowrap;
}
.ledger-row .add:hover{background:var(--amber);color:var(--slate)}
.page-head{padding:24px 28px 0}
.page-head h1{font-family:"IBM Plex Mono",monospace;font-size:24px;margin:0 0 6px}
.page-head p{color:var(--mute);margin:0;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:16px 28px}
.chips button{
  padding:7px 14px;border:1px solid var(--line2);background:var(--slate2);
  font:inherit;font-size:11px;font-weight:700;color:var(--mute);cursor:pointer;
  font-family:"IBM Plex Mono",monospace;
}
.chips button.on{background:var(--amber);color:var(--slate);border-color:var(--amber)}
.wrap{width:min(720px,calc(100% - 40px));margin:0 auto;padding:32px 0 48px}
.legal{
  background:var(--slate2);border:1px solid var(--line);padding:32px;border-radius:4px;
}
.legal h1{font-family:"IBM Plex Mono",monospace;font-size:22px;margin:0 0 8px}
.legal h2{font-family:"IBM Plex Mono",monospace;font-size:14px;margin:22px 0 8px;color:var(--amber)}
.legal h2:first-of-type{margin-top:0}
.legal p{color:var(--mute);margin:0 0 12px;font-size:14px}
.faq details{background:var(--slate2);border:1px solid var(--line);margin-bottom:8px}
.faq summary{padding:14px 18px;cursor:pointer;font-weight:800;list-style:none;font-family:"IBM Plex Mono",monospace;font-size:13px}
.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-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:28px;align-items:start}
.pdp-visual{display:flex;justify-content:center}
.pdp-circle{
  width:min(360px,100%);aspect-ratio:1;border-radius:50%;overflow:hidden;
  background:var(--slate2);border:2px solid var(--line2);padding:8px;
}
.pdp-circle img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.pdp-detail{min-width:0}
.crumb{font-size:11px;color:var(--mute);margin-bottom:12px;font-family:"IBM Plex Mono",monospace}
.pdp-detail h1{font-family:"Noto Sans TC",sans-serif;font-size:clamp(18px,2.5vw,24px);line-height:1.35;margin:0 0 12px}
.price-lg{font-family:"IBM Plex Mono",monospace;font-size:28px;font-weight:700;color:var(--amber);margin:0 0 16px}
.pdp-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.pdp-tags span{
  font-size:10px;font-weight:800;padding:4px 10px;background:var(--slate3);
  color:var(--mute);font-family:"IBM Plex Mono",monospace;border:1px solid var(--line);
}
.rich p{margin:0 0 10px;color:var(--mute);font-size:14px}
.spec{width:100%;border-collapse:collapse;margin:16px 0;font-size:13px}
.spec th,.spec td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
.spec th{background:var(--slate2);width:36%;font-weight:800;font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--mute)}
.buyrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.buyrow button{
  padding:12px 24px;font:inherit;font-weight:800;font-size:12px;cursor:pointer;border:0;
  font-family:"IBM Plex Mono",monospace;
}
.buyrow .solid{background:var(--amber);color:var(--slate)}
.buyrow .solid:hover{background:var(--amber2)}
.buyrow .buy{background:var(--slate3);color:var(--ink);border:1px solid var(--line2)}
.buyrow .buy:hover{border-color:var(--amber);color:var(--amber)}
.variant-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.variant{
  border:1px solid var(--line);background:var(--slate2);padding:4px;cursor:pointer;
  width:52px;text-align:center;font-size:9px;
}
.variant img{width:52px;height:52px;object-fit:cover;display:block;margin-bottom:2px}
.variant span{display:block;line-height:1.2;color:var(--mute);font-family:"IBM Plex Mono",monospace;font-size:8px}
.related{padding:0 0 28px}
.related h2{
  font-family:"IBM Plex Mono",monospace;font-size:13px;margin:0;padding:16px 28px;
  color:var(--amber);border-bottom:1px solid var(--line);
}
.foot-dark{
  flex-shrink:0;margin-top:auto;padding:32px 28px;background:var(--slate2);
  border-top:1px solid var(--line);font-size:13px;color:var(--mute);
  display:flex;justify-content:center;
}
.foot-dark-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:28px 72px;
  width:min(960px,calc(100% - 48px));margin:0 auto;align-items:start;
}
.foot-dark h2{font-family:"IBM Plex Mono",monospace;color:var(--ink);font-size:14px;margin:0 0 10px}
.foot-dark a{color:var(--mute);display:block;margin-bottom:6px;font-weight:600;font-size:12px}
.foot-dark a:hover{color:var(--amber)}
.foot-note{font-size:11px;margin-top:12px;opacity:.7}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.6);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(--slate2);z-index:90;display:none;overflow:auto;border-left:1px solid var(--line);
}
.panel header{
  display:flex;justify-content:space-between;align-items:center;padding:16px 20px;
  background:var(--amber);color:var(--slate);font-weight:800;font-family:"IBM Plex Mono",monospace;
}
.panel .close{background:none;border:0;font-size:26px;cursor:pointer;color:var(--slate)}
.cart-box{padding:18px 20px;color:var(--ink)}
.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:4px;border:1px solid var(--line)}
.cart-item .rm{color:var(--amber);cursor:pointer;font-size:12px;font-weight:800}
.total{font-size:22px;font-weight:800;color:var(--amber);margin:12px 0;font-family:"IBM Plex Mono",monospace}
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--amber);color:var(--slate);padding:12px 24px;
  opacity:0;transition:.2s;z-index:100;font-weight:800;font-size:12px;
  font-family:"IBM Plex Mono",monospace;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.index-toggle{
  display:none;background:var(--slate3);border:1px solid var(--line);color:var(--ink);
  padding:6px 10px;font:inherit;cursor:pointer;font-family:"IBM Plex Mono",monospace;font-size:11px;
}
@media(max-width:900px){
  .index-toggle{display:block}
  .ledger-shell{flex-direction:column}
  .ledger-index{
    position:fixed;left:0;top:73px;z-index:55;width:min(220px,85vw);height:calc(100% - 73px);
    transform:translateX(-100%);transition:.25s;
  }
  .ledger-index.open{transform:translateX(0)}
  .ledger-row{grid-template-columns:28px 56px 1fr auto;padding:10px 16px;gap:10px}
  .ledger-row .thumb,.ledger-row .thumb img{width:56px;height:56px}
  .pdp-grid{grid-template-columns:1fr;padding:20px 16px}
  .foot-dark-inner{grid-template-columns:1fr}
}
@media(max-width:520px){
  .ledger-row .add{padding:6px 10px;font-size:10px}
  .stat-strip span{min-width:50%;flex:1 1 50%}
}