/* Hallmark · macrostructure: Workbench · theme: custom industrial archive · nav: N3 · footer: Ft2 · enrichment: official game scenes · pre-emit critique: P4 H4 E4 S5 R4 V4 */
*{box-sizing:border-box}html,body{margin:0;overflow-x:clip}html{scroll-behavior:smooth;scroll-padding-top:90px}body{background:var(--bg);color:var(--ink);font:15px/1.7 var(--font-body)}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25;min-width:0;overflow-wrap:anywhere}h1{font:700 clamp(38px,4.5vw,66px)/1.15 var(--font-display);letter-spacing:2px}h2{font-size:28px}h3{font-size:19px}p{color:var(--muted);max-width:68ch}button,.btn,nav a{white-space:nowrap}.skip{position:fixed;top:-80px;z-index:20;padding:12px;background:var(--accent);color:var(--black)}.skip:focus{top:0}.rail{position:fixed;inset:0 auto 0 0;width:190px;background:var(--surface);border-right:1px solid var(--line);padding:30px 18px;z-index:8;display:flex;flex-direction:column}.brand img{width:150px;height:77px;object-fit:contain}.brand span{font-weight:700;color:var(--ink);display:block;text-align:center;margin-top:10px}.rail .caption{margin:40px 12px 12px;font-size:12px;color:var(--muted)}.rail nav{display:grid;gap:8px}.rail nav a{color:var(--muted);padding:11px 14px;border:1px solid transparent}.rail nav a.active{background:var(--surface-2);border-color:var(--line);color:var(--accent)}.rail nav a:hover{color:var(--ink);text-decoration:none;background:var(--surface-2)}.rail-bottom{margin-top:auto;padding-top:30px;font-size:12px;color:var(--muted)}.shell{margin-left:190px}.topbar{height:68px;display:flex;justify-content:space-between;align-items:center;padding:0 36px;border-bottom:1px solid var(--line);background:var(--bg);gap:20px}.topbar span{font-size:13px;color:var(--muted)}.topbar a{font-size:13px}.main{max-width:1440px;margin:auto;padding:28px 36px 56px}.breadcrumb{font-size:12px;color:var(--muted);margin:0 0 18px}.store-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:24px}.hero{position:relative;min-height:465px;background:var(--surface);isolation:isolate;overflow:hidden}.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:55% 40%;z-index:-2}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,var(--overlay) 0%,var(--shade) 55%,var(--clear) 100%);z-index:-1}.hero-content{padding:32px;position:absolute;inset:auto 0 0}.hero-content p{color:var(--ink);max-width:520px;margin-bottom:22px}.en{font-size:13px;letter-spacing:1px;color:var(--muted);margin:8px 0 12px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tags span{font-size:11px;background:var(--overlay);padding:3px 9px;border:1px solid var(--line)}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 20px;background:var(--accent);color:var(--black);font-weight:750;border:1px solid var(--accent);box-shadow:0 3px 0 var(--black);transition:background var(--duration) var(--ease)}.btn:hover{background:var(--accent-hover);text-decoration:none}.btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--black)}.btn.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.btn[aria-disabled=true]{opacity:.5;pointer-events:none}.btn[data-state=loading]{cursor:wait}.btn[data-state=error]{border-color:var(--red)}.btn[data-state=success]{border-color:var(--blue)}.purchase{background:var(--surface);border:1px solid var(--line)}.purchase .cover{width:100%;aspect-ratio:460/215;object-fit:cover}.purchase-inner{padding:22px}.purchase h2{font-size:20px}.spec{margin:0 0 22px}.spec div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px}.spec dt{color:var(--muted)}.spec dd{margin:0;text-align:right}.purchase .btn{width:100%;padding:10px}.small{font-size:12px;color:var(--muted)}.purchase .small{margin:12px 0 0}.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:12px}.thumbs a{display:block;border:1px solid var(--line)}.thumbs img{width:100%;aspect-ratio:16/9;object-fit:cover}.thumbs a:hover{outline:2px solid var(--accent)}.thumbs span{display:block;font-size:11px;padding:4px 8px;color:var(--muted)}.section-nav{display:flex;gap:28px;margin:32px 0 0;padding-bottom:16px;border-bottom:1px solid var(--line);flex-wrap:wrap}.section-nav a{font-size:14px;color:var(--ink);white-space:nowrap}.section-nav a:first-child{color:var(--accent)}section.content{padding:36px 0;border-bottom:1px solid 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details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:12px 0 0}.footer{padding:24px 36px;border-top:1px solid var(--line);display:flex;gap:22px;align-items:center;font-size:12px;color:var(--muted);flex-wrap:wrap}.footer img{width:75px}.footer p{margin:0}.footer a{white-space:nowrap}.mobile-cta{display:none}.page-head{padding:24px 0 32px;max-width:800px}.page-head h1{font-size:clamp(32px,4vw,52px)}.page-head .en{color:var(--accent)}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px}.side-note{padding:24px;background:var(--surface);align-self:start;border:1px solid var(--line)}.side-note h2{font-size:19px}.side-note a{display:block;margin:12px 0}.step{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;margin:28px 0}.step b{font-size:24px;color:var(--accent)}.step h3{margin-bottom:8px}.step p{margin:0}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.gallery-grid figure{margin:0}.gallery-grid img{aspect-ratio:16/9;object-fit:contain;background:var(--surface)}figcaption{padding-top:12px;color:var(--muted);font-size:13px}.gallery-grid a{display:block}.gallery-grid a:hover{outline:2px solid var(--accent)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:14px 10px}th{color:var(--muted)}code{color:var(--ink);overflow-wrap:anywhere}dialog{max-width:calc(100vw - 32px);width:1200px;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:16px}dialog::backdrop{background:var(--overlay)}.lightbox-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.lightbox-bar button{padding:8px 16px;background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}dialog img{width:100%;max-height:75vh;object-fit:contain}.lightbox-status{font-size:13px;color:var(--muted)}.legal{max-width:800px}
@media(min-width:1600px){.hero{min-height:540px}}
@media(max-width:1200px){.rail{width:158px;padding:24px 12px}.shell{margin-left:158px}.main{padding:24px}.topbar{padding:0 24px}.store-layout{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.hero-content{padding:24px}.hero h1{font-size:46px}.reading-layout{gap:24px}}
@media(max-width:1000px){.rail{position:sticky;top:0;width:auto;height:auto;padding:10px 20px;flex-direction:row;align-items:center;gap:20px;border-right:0;border-bottom:1px solid var(--line)}.brand img{width:84px;height:43px}.brand span,.rail .caption,.rail-bottom{display:none}.rail nav{display:flex;gap:4px;flex:1;justify-content:flex-end}.rail nav a{padding:9px;font-size:13px}.shell{margin-left:0}.topbar{height:52px}.store-layout{grid-template-columns:minmax(0,1fr) 250px}.hero h1{font-size:42px}.facts div{padding:14px}.reading-layout{grid-template-columns:minmax(0,1fr)}.side-note{order:-1}.side-note a{display:inline-block;margin:4px 14px 4px 0}}
@media(max-width:720px){.rail{padding:8px 12px;gap:8px}.brand img{width:65px;height:35px}.rail nav a{padding:9px 6px;font-size:12px}.topbar{padding:0 18px}.topbar span{font-size:11px}.main{padding:20px 16px 36px}.store-layout,.story-grid{grid-template-columns:minmax(0,1fr)}.hero{min-height:440px}.hero>img{object-position:60% 25%}.hero-content{padding:24px 20px}.hero h1{font-size:42px}.hero-content p{font-size:14px}.purchase{display:grid;grid-template-columns:115px minmax(0,1fr);gap:0}.purchase .cover{height:100%;aspect-ratio:auto;object-position:75%;object-fit:cover}.purchase-inner{padding:16px}.purchase h2{font-size:17px}.purchase .spec{margin-bottom:12px}.purchase .spec div{padding:5px 0}.purchase .small{font-size:11px}.thumbs{gap:6px}.thumbs span{font-size:10px;padding:4px}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div{border-bottom:1px solid var(--line)}.section-nav{gap:20px;margin-top:24px}.section-head{display:block}.section-head h2{margin-bottom:8px}h2{font-size:25px}.feature-row{grid-template-columns:minmax(0,1fr);gap:8px}.paper{display:block;padding:24px}.paper .btn{margin-top:20px}.gallery-grid{grid-template-columns:minmax(0,1fr)}.footer{padding:24px 16px 100px}.mobile-cta{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;background:var(--surface);border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom));z-index:9;gap:12px}.mobile-cta span{font-size:12px}.mobile-cta .btn{min-height:42px;font-size:13px;padding:8px 14px}.lightbox-bar button{padding:8px;font-size:12px}.lightbox-status{font-size:11px}.step{grid-template-columns:28px minmax(0,1fr);gap:12px}.actions .btn{font-size:13px;padding:10px 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.brand{flex-shrink:0}.topbar a{white-space:nowrap}.topbar span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thumbs span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:360px){.rail nav a{font-size:11px;padding:8px 4px}.brand img{width:54px}.rail{gap:6px}.hero h1{font-size:38px}}

/* Article extension: preserve existing store theme and asset identity. */
.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}.article-list article{padding:24px 0;border-bottom:1px solid var(--line)}.article-list h3{font-size:20px;line-height:1.5;margin:8px 0 10px}.article-list p{margin:0;font-size:14px}.article-list h3 a{color:var(--ink)}.article-list h3 a:hover{color:var(--accent)}.article-body{min-width:0}.article-body p{font-size:16px;line-height:1.95}.article-body h2{font-size:25px}.article-image{margin:0}.article-image img{width:100%;height:auto}.article-toc{position:sticky;top:24px}.article-toc a{white-space:normal;line-height:1.7}.article-body .article-list{grid-template-columns:minmax(0,1fr)}.article-body .article-list p{font-size:14px}
@media(max-width:1000px){.article-toc{position:static}.article-toc a{display:block;margin:12px 0}.article-layout{grid-template-columns:minmax(0,1fr)}}
@media(max-width:720px){.article-list{grid-template-columns:minmax(0,1fr)}.article-list h3{font-size:19px}.article-body h2{font-size:23px}.page-head h1{font-size:32px;line-height:1.4}.article-toc{padding:20px}}
.article-list h2{font-size:20px;line-height:1.5;margin:8px 0 10px}.article-list h2 a{color:var(--ink)}.article-list h2 a:hover{color:var(--accent)}