:root{
  --bg:#141414; --surface:#262626; --raised:#1c1c1c; --strong:#333333;
  --ink:#ffffff; --muted:#a6a6a6; --inverse:#000000; --line:#3d3d3d; --line-strong:#8a8a8a;
  --forge:#ff6b2c; --forge-text:#ff8a57; --circuit:#2dd4f0; --steel-600:#545454;
  --display:"Chakra Petch","Chiron Hei HK","Noto Sans TC",sans-serif;
  --sans:Barlow,"Chiron Hei HK","Noto Sans TC",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --cut-sm:6px; --cut-md:12px; --cut-lg:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:24px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--ink)}
a:hover{color:var(--forge-text)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.wrap{max-width:1440px;margin:0 auto;padding:0 80px;position:relative}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--display);font-size:13px;line-height:16px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.idx{font-family:var(--mono);font-size:12px;line-height:16px;color:var(--muted)}
.rule{flex:1;height:1px;background:var(--line)}
.sec-head{display:flex;align-items:center;gap:16px}
h1,h2,h3{margin:0;font-family:var(--display);text-transform:uppercase;font-weight:600}
.h2{font-size:40px;line-height:44px;letter-spacing:.01em}
.cut{clip-path:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm))}
.btn{--c:var(--cut-sm);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border:0;cursor:pointer;text-decoration:none;font-family:var(--display);font-size:15px;line-height:20px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;clip-path:polygon(var(--c) 0,100% 0,100% calc(100% - var(--c)),calc(100% - var(--c)) 100%,0 100%,0 var(--c));white-space:nowrap}
.btn-forge{background:var(--forge);color:#000}
.btn-forge:hover{box-shadow:0 0 24px rgba(255,255,255,.4);color:#000;filter:brightness(1.08)}
.btn-outline{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink);clip-path:none}
.btn-outline:hover{background:var(--strong);color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;padding:0 8px;clip-path:none}
.plate{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-family:var(--display);font-size:12px;line-height:16px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;background:var(--ink);color:var(--inverse)}
.plate.o{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.plate.c{background:var(--circuit);color:#000}
.util{background:var(--bg);border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;line-height:16px}
.util .wrap{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.util .dot{width:6px;height:6px;background:var(--forge);display:inline-block;margin-right:10px}
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
header.site .wrap{height:auto;min-height:76px;display:flex;align-items:center;flex-wrap:wrap;gap:8px 40px;row-gap:8px;padding-top:10px;padding-bottom:8px}
header.site nav{display:flex;gap:8px 12px;flex:1 1 100%;justify-content:space-between;align-items:center;font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;line-height:18px}
header.site nav a,header.site nav summary{text-decoration:none;padding:4px 8px;background:transparent}
.nav-sub{position:relative}
.nav-sub>summary{list-style:none;cursor:pointer}
.nav-sub>summary::-webkit-details-marker{display:none}
.nav-sub>div{position:absolute;top:100%;left:0;background:var(--surface);padding:8px;display:none;gap:4px;min-width:220px;z-index:50;box-shadow:inset 0 0 0 1px var(--line);max-height:min(70vh,520px);overflow:auto}
.nav-sub:hover>div,.nav-sub:focus-within>div,.nav-sub[open]>div{display:grid!important;content-visibility:visible!important}
header.site nav>a:hover,header.site nav summary:hover,header.site .nav-sub:hover>summary,header.site .nav-sub>div a:hover{background:#4a4a4a;color:#fff;text-decoration:none}
header.site nav a[aria-current],header.site nav summary[aria-current]{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--ink);cursor:pointer;position:relative}
.cart-btn{background:var(--ink);color:var(--inverse)}
.cart-count{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;background:var(--forge);color:#000;font-family:var(--mono);font-size:11px;line-height:20px;text-align:center;display:none}
.crumbs{font-family:var(--mono);font-size:12px;line-height:16px;color:var(--muted);padding:20px 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.rails{position:fixed;inset:0;pointer-events:none;z-index:0}
.rails::before,.rails::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:#2e2e2e}
.rails::before{left:40px}.rails::after{right:40px}
main,footer{position:relative;z-index:1}
.product{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;padding-bottom:64px}
.gallery{display:flex;flex-direction:column;gap:12px}
.stage{position:relative;aspect-ratio:1/1;background:var(--raised);box-shadow:inset 0 0 0 2px var(--ink);clip-path:polygon(0 0,calc(100% - var(--cut-lg)) 0,100% var(--cut-lg),100% 100%,var(--cut-lg) 100%,0 calc(100% - var(--cut-lg)));overflow:hidden}
.stage img.main{position:absolute;inset:40px;width:calc(100% - 80px);height:calc(100% - 80px);object-fit:contain;transition:opacity .25s}
.stage .bk{position:absolute;width:14px;height:14px;border:2px solid var(--ink)}
.stage .tl{left:16px;top:16px;border-right:0;border-bottom:0}.stage .tr{right:16px;top:16px;border-left:0;border-bottom:0}
.stage .bl{left:16px;bottom:16px;border-right:0;border-top:0}.stage .br{right:16px;bottom:16px;border-left:0;border-top:0}
.stage .count{position:absolute;right:40px;bottom:36px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.stage .tag{position:absolute;left:40px;top:36px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.nav-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;background:var(--ink);color:var(--inverse);cursor:pointer;display:flex;align-items:center;justify-content:center}
.nav-arrow.prev{left:16px;clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px)}
.nav-arrow.next{right:16px;clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%)}
.nav-arrow:hover{background:var(--muted)}
.thumbs{display:grid;grid-template-columns:repeat(var(--shots,5),minmax(0,1fr));gap:12px}
.thumb{aspect-ratio:1/1;background:var(--raised);border:0;padding:8px;cursor:pointer;box-shadow:inset 0 0 0 1px var(--line)}
.thumb img{width:100%;height:100%;object-fit:contain}
.thumb[aria-current="true"]{box-shadow:inset 0 0 0 2px var(--ink)}
.thumb:hover{background:var(--strong)}
.info{display:flex;flex-direction:column;gap:20px;padding-top:8px}
.info h1{font-size:56px;line-height:56px;font-weight:700;letter-spacing:.02em}
.info h1 .rev{background:var(--ink);color:var(--inverse);padding:0 8px}
.info .sub{font-family:var(--display);font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.info p{margin:0;color:var(--muted);font-size:17px;line-height:27px}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.fact{padding:14px 0;display:flex;flex-direction:column;gap:2px}
.fact:nth-child(odd){padding-right:16px;border-right:1px solid var(--line)}
.fact:nth-child(even){padding-left:16px}
.fact:nth-child(n+3){border-top:1px solid var(--line)}
.fact .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.fact .v{font-size:15px;line-height:22px;font-weight:500}
.pricebox{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:20px 24px;background:var(--raised);box-shadow:inset 0 0 0 2px var(--ink);flex-wrap:wrap}
.pricebox .from{font-family:var(--mono);font-size:13px;color:var(--muted)}
.pricebox .now{font-family:var(--mono);font-size:32px;line-height:36px;font-weight:500}
.pricebox .lbl{font-family:var(--display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.price-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.variant-pick{display:flex;flex-direction:column;gap:14px;width:100%}
.pick-row{display:flex;flex-direction:column;gap:6px}
.pick-row .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.pick-row .seg{margin:0;max-width:100%}
.pick-row .seg button{white-space:normal;text-align:left}
.trust{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:20px}
.trust div{display:flex;gap:12px;align-items:center}
.trust svg{flex:none}
.xsell{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.xsell.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.xs{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 20px;background:var(--raised);box-shadow:inset 0 0 0 1px var(--line);text-decoration:none}
.xs:hover{background:var(--strong);color:var(--ink)}
.xs b{font-family:var(--display);font-size:16px;text-transform:uppercase;letter-spacing:.04em;display:block;color:var(--ink)}
.xs span{font-size:13px;color:var(--muted)}
.info-sec{padding:72px 0 88px;background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lede{margin:12px 0 0;max-width:720px;color:var(--muted);font-size:17px;line-height:27px}
.configs{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.cfg{scroll-margin-top:96px;display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,280px);gap:28px;align-items:start;padding:24px;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line)}
.cfg h2{font-size:28px;line-height:32px}
.cfg .spec-line{margin:8px 0 0;color:var(--muted);font-size:15px;line-height:22px}
.parts{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px;line-height:20px}
.parts th{text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);font-weight:400;padding:10px 16px 10px 0;width:120px;vertical-align:top;border-bottom:1px solid var(--line)}
.parts td{padding:10px 0;border-bottom:1px solid var(--line);font-weight:500}
.vars{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column}
.vars li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px}
.cfg-buy{display:flex;flex-direction:column;gap:10px;align-items:stretch}
.cfg-buy .from{font-family:var(--mono);font-size:13px;color:var(--muted)}
.cfg-buy .now{font-family:var(--mono);font-size:28px;line-height:32px}
.cfg-note{font-size:13px;line-height:18px;color:var(--muted)}
.feature-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:32px}
.feature{padding-top:16px;display:flex;flex-direction:column;gap:10px}
.feature .line{display:flex;align-items:center}
.feature .line i{width:10px;height:10px;background:var(--ink)}
.feature .line b{flex:1;height:2px;background:var(--ink)}
.feature h3{font-size:20px;line-height:26px;letter-spacing:.04em}
.feature p{margin:0;font-size:15px;line-height:22px;color:var(--muted)}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;margin-top:48px;align-items:start}
details.acc{background:var(--bg);box-shadow:inset 0 0 0 1px var(--line);margin-bottom:10px}
details.acc[open]{box-shadow:inset 0 0 0 2px var(--ink)}
details.acc summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:32px 1fr auto;gap:14px;align-items:center;padding:18px 20px}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary:hover{background:var(--raised)}
details.acc summary .t{font-family:var(--display);font-size:16px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
details.acc summary .s{display:block;font-family:var(--sans);font-size:13px;letter-spacing:0;text-transform:none;color:var(--muted);font-weight:400;margin-top:2px}
details.acc summary .pm{font-family:var(--mono);font-size:18px;width:20px;text-align:center}
details.acc[open] summary .pm{transform:rotate(45deg)}
.acc-body{padding:4px 20px 20px 66px;font-size:14px;line-height:22px;color:var(--muted)}
.acc-body p{margin:0 0 8px}
footer.site{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 0;overflow:hidden}
footer .cols{display:grid;grid-template-columns:320px repeat(4,minmax(0,1fr));gap:40px}
footer .cols a{display:block;color:var(--ink);text-decoration:none;font-size:14px;line-height:20px;margin-bottom:12px}
footer .cols a:hover{color:var(--forge-text)}
footer .ch{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-bottom:8px;margin-bottom:14px;border-bottom:1px solid var(--line)}
footer .bottom{display:flex;justify-content:space-between;gap:16px;padding:16px 0;margin-top:32px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--muted)}
footer .big{font-family:var(--display);font-size:200px;line-height:160px;font-weight:700;letter-spacing:.04em;color:transparent;-webkit-text-stroke:1px #3a3a3a;white-space:nowrap;margin-top:8px}
.nav-toggle{display:none;width:44px;height:44px;margin-left:auto;padding:0;border:0;background:transparent;color:#fff;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto}
.nav-toggle__bars,.nav-toggle__bars:before,.nav-toggle__bars:after{display:block;width:22px;height:2px;background:#fff;position:relative}
.nav-toggle__bars:before,.nav-toggle__bars:after{content:"";position:absolute;left:0}
.nav-toggle__bars:before{top:-7px}.nav-toggle__bars:after{top:7px}
header.is-open .nav-toggle__bars{background:transparent}
header.is-open .nav-toggle__bars:before{top:0;transform:rotate(45deg)}
header.is-open .nav-toggle__bars:after{top:0;transform:rotate(-45deg)}
@media (max-width:1180px){
  .wrap{padding:0 32px}
  .rails{display:none}
  .product,.two,.feature-row,.xsell.three{grid-template-columns:1fr}
  .feature-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  footer .cols{grid-template-columns:1fr 1fr}
  .nav-toggle{display:inline-flex}
  header.site .wrap{flex-wrap:nowrap}
  header.site .wrap>div{margin-left:0!important}
  header.site nav{display:none!important}
  header.is-open nav{display:flex!important;position:absolute;left:0;right:0;top:100%;z-index:50;flex-direction:column;align-items:stretch;justify-content:flex-start;flex:none;gap:2px;white-space:normal;padding:8px 16px 18px;background:#1c1c1c;border-bottom:1px solid var(--line);max-height:calc(100vh - 76px);overflow:auto;font-size:16px}
  header.is-open nav .nav-sub>div{position:static;box-shadow:none;background:transparent;padding:0 0 8px 16px}
  header.is-open nav .nav-sub:not([open])>div{display:none!important}
  header.is-open nav>a,header.is-open nav>.nav-sub>summary{padding:12px 8px}
}
@media (max-width:720px){
  .wrap{padding:0 16px}
  .util .wrap span:nth-child(2){display:none}
  .info h1{font-size:40px;line-height:42px}
  .xsell,.feature-row,.facts{grid-template-columns:1fr}
  .fact:nth-child(odd){border-right:0;padding-right:0}
  .fact:nth-child(even){padding-left:0}
  .fact:nth-child(n+2){border-top:1px solid var(--line)}
  .cfg{grid-template-columns:1fr}
  .acc-body{padding-left:20px}
  footer .big{font-size:72px;line-height:64px}
  footer .bottom{flex-direction:column}
  header.site .wrap>div>button:not(.cart-btn){display:none}
  .opts{grid-template-columns:1fr}
  .g-head{grid-template-columns:44px 1fr 24px}
  .g-price{display:none}
  .g-ico{width:44px;height:44px}
  .sum-actions .row{grid-template-columns:1fr}
}

.config-sec{background:var(--bg);border-top:1px solid var(--line);padding:72px 0 88px}
#configure{scroll-margin-top:96px}
.config{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:start;margin-top:28px}
.groups{display:flex;flex-direction:column;gap:12px}
.group{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.group.open{box-shadow:inset 0 0 0 2px var(--ink)}
.g-head{width:100%;display:grid;grid-template-columns:52px 1fr auto 28px;align-items:center;gap:16px;padding:16px 20px;background:transparent;border:0;cursor:pointer;text-align:left}
.g-head:hover{background:var(--raised)}
.g-ico{width:52px;height:52px;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden;font-family:var(--mono);font-size:11px;color:var(--muted)}
.g-ico img{width:44px;height:44px;object-fit:contain}
.g-title{display:flex;flex-direction:column;gap:2px;min-width:0}
.g-title .n{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.g-title .t{font-family:var(--display);font-size:18px;line-height:22px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.g-title .s{font-size:15px;line-height:22px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.g-price{font-family:var(--mono);font-size:14px;white-space:nowrap}
.g-price.inc{color:var(--muted)}
.chev{transition:transform .2s}
.group.open .chev{transform:rotate(180deg)}
.g-body{display:none;padding:4px 20px 20px;border-top:1px solid var(--line)}
.group.open .g-body{display:block}
.g-intro{margin:16px 0 4px;color:var(--muted);font-size:14px;line-height:21px;max-width:760px}
.seg{display:inline-flex;flex-wrap:wrap;margin:16px 0 4px;box-shadow:inset 0 0 0 1px var(--line-strong)}
.seg button{border:0;background:transparent;padding:10px 18px;cursor:pointer;font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--inverse)}
.sub-h{display:flex;align-items:center;gap:12px;margin:20px 0 10px}
.sub-h .t{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
.opt{position:relative;display:flex;flex-direction:column;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line);clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.opt:hover{background:var(--raised)}
.opt.sel{box-shadow:inset 0 0 0 2px var(--circuit)}
.o-main{display:grid;grid-template-columns:72px 1fr auto;gap:14px;align-items:center;padding:14px;border:0;background:transparent;cursor:pointer;text-align:left;width:100%}
.o-img{width:72px;height:72px;background:var(--surface);display:flex;align-items:center;justify-content:center}
.o-img img{width:64px;height:64px;object-fit:contain}
.o-img.none{background:var(--raised);box-shadow:inset 0 0 0 1px var(--line);font-family:var(--mono);font-size:11px;color:var(--muted)}
.o-name{font-size:15px;line-height:20px;font-weight:600}
.o-spec{display:block;font-family:var(--mono);font-size:12px;line-height:17px;color:var(--muted);margin-top:4px}
.o-badge{margin-top:6px;display:flex;gap:6px;flex-wrap:wrap}
.o-badge span{font-family:var(--mono);font-size:10px;line-height:14px;letter-spacing:.06em;padding:2px 6px;box-shadow:inset 0 0 0 1px var(--line-strong);color:var(--ink)}
.o-badge span.rec{background:var(--circuit);color:#000;box-shadow:none}
.o-badge span.warn{box-shadow:inset 0 0 0 1px var(--forge-text);color:var(--forge-text)}
.o-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.o-price{font-family:var(--mono);font-size:13px;white-space:nowrap}
.o-price.inc{color:var(--muted)}
.radio{width:20px;height:20px;box-shadow:inset 0 0 0 2px var(--line-strong);display:flex;align-items:center;justify-content:center}
.opt.sel .radio{box-shadow:none;background:var(--circuit)}
.opt.sel .radio::after{content:"";width:8px;height:8px;background:#000}
.o-more{border:0;border-top:1px solid var(--line);background:transparent;padding:8px 14px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);text-align:left}
.o-more:hover{color:var(--ink)}
.o-detail{display:none;padding:0 14px 14px;font-size:14px;line-height:21px;color:var(--muted)}
.opt.detail .o-detail{display:block}
.o-detail ul{margin:6px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px}
.o-detail li{display:flex;gap:8px}
.o-detail li::before{content:"";flex:none;width:6px;height:6px;margin-top:8px;background:var(--line-strong)}
.o-detail .k{font-family:var(--mono);font-size:11px;color:var(--ink);display:block;margin-top:10px;letter-spacing:.06em}
.notice{display:none;margin-top:0;padding:12px 14px;font-size:14px;line-height:20px;background:var(--raised);box-shadow:inset 0 0 0 1px var(--circuit)}
.notice.show{display:flex}
.incl{margin-top:16px;display:flex;gap:14px;align-items:flex-start;padding:14px;background:var(--bg);box-shadow:inset 0 0 0 2px var(--circuit)}
.lang{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.lang button{min-width:88px;padding:10px 14px;border:0;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line-strong);cursor:pointer;font-size:15px}
.lang button[aria-pressed="true"]{box-shadow:inset 0 0 0 2px var(--circuit);background:var(--raised)}
.summary{position:sticky;top:96px;display:flex;flex-direction:column;background:var(--surface);box-shadow:inset 0 0 0 2px var(--ink);clip-path:polygon(0 0,calc(100% - var(--cut-md)) 0,100% var(--cut-md),100% 100%,0 100%)}
.sum-top{display:flex;gap:14px;align-items:center;padding:20px 20px 16px;border-bottom:1px solid var(--line)}
.sum-top .pic{width:64px;height:64px;background:var(--raised);flex:none;object-fit:contain}
.sum-list{list-style:none;margin:0;padding:8px 20px;max-height:max(160px,calc(100vh - 640px));overflow:auto}
.sum-list li{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:18px}
.sum-list li:last-child{border-bottom:0}
.sum-list .k{grid-column:1/-1;font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted)}
.sum-list .p{font-family:var(--mono);font-size:12px;color:var(--muted);white-space:nowrap}
.sum-list .p.up{color:var(--ink)}
.sum-total{padding:16px 20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.sum-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:13px;color:var(--muted)}
.sum-grand{display:flex;justify-content:space-between;align-items:baseline;margin-top:6px}
.sum-grand .l{font-family:var(--display);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.sum-grand .v{font-family:var(--mono);font-size:28px;line-height:32px;font-weight:500}
.sum-actions{padding:0 20px 20px;display:flex;flex-direction:column;gap:10px}
.sum-actions .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sum-actions .btn{width:100%}
.sum-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:13px;line-height:18px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(calc(100% + 48px));visibility:hidden;background:var(--ink);color:var(--inverse);padding:14px 20px;font-family:var(--display);font-size:14px;letter-spacing:.06em;text-transform:uppercase;transition:transform .25s,visibility .25s;z-index:60;max-width:calc(100vw - 32px);clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}
.toast.show{transform:translateX(-50%) translateY(0);visibility:visible}
@media (max-width:1180px){
  .config{grid-template-columns:1fr}
  .summary{position:relative;top:0}
}