/* Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V4
 * route: custom · macrostructure: Workbench · theme: Quarantine shelf
 * nav: N3 side-rail · footer: Ft4 dense colophon · enrichment: real game captures
 * Chinese system fonts explicitly requested; no generated identity imagery. */
:root{--color-bg:#111315;--color-panel:#1b1e22;--color-raised:#25292f;--color-rule:#393f47;--color-gun:#4b5563;--color-ink:#f1f0eb;--color-muted:#b1b6bd;--color-yellow:#facc15;--color-yellow-hover:#ffe16b;--color-yellow-shadow:#8c7110;--color-link:#9cbbe3;--color-red:#dc2626;--color-paper:#e4dfd2;--color-paper-ink:#252725;--color-paper-muted:#55574e;--color-shadow:#0c0e10;--color-clear:transparent;--color-overlay:rgb(17 19 21 / 92%);--color-overlay-mid:rgb(17 19 21 / 54%);--color-backdrop:rgb(7 9 12 / 95%);--color-success:#8fc99d;--font-display:'Arial Narrow','PingFang SC','Microsoft YaHei',sans-serif;--font-body:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;--font-mono:'Menlo',monospace;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--dur-micro:120ms;--ease-out:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;overflow-x:clip;background:var(--color-bg);color:var(--color-ink);font:16px/1.7 var(--font-body);padding-bottom:92px}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}button,a,summary{-webkit-tap-highlight-color:var(--color-clear)}:focus-visible{outline:3px solid var(--color-yellow);outline-offset:5px}h1,h2,h3{font-family:var(--font-display);font-style:normal;line-height:1.25;min-width:0;overflow-wrap:anywhere}h1{font-size:clamp(32px,3.8vw,58px);letter-spacing:-.035em;margin:12px 0 20px;font-weight:900}h2{font-size:clamp(25px,2.4vw,34px);letter-spacing:-.025em;margin:0 0 20px}h3{font-size:20px;margin:0 0 12px}p{margin:0 0 18px}figure{margin:0}small,.small{font-size:13px}.muted{color:var(--color-muted)}.skip{position:fixed;top:-100px;z-index:100;background:var(--color-yellow);color:var(--color-bg);padding:12px}.skip:focus{top:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:10px 24px;background:var(--color-yellow);border:1px solid var(--color-yellow);color:var(--color-bg);font-weight:800;white-space:nowrap;box-shadow:0 4px 0 var(--color-yellow-shadow);transition:transform var(--dur-micro) var(--ease-out)}.btn:hover{background:var(--color-yellow-hover);text-decoration:none}.btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--color-yellow-shadow)}.btn.secondary{background:var(--color-panel);color:var(--color-ink);border-color:var(--color-rule);box-shadow:0 4px 0 var(--color-shadow)}.btn.secondary:hover{background:var(--color-raised)}.btn.compact{min-height:44px;padding:8px 16px;font-size:14px}.btn[aria-disabled=true],button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn[data-state=loading]{cursor:wait}.btn[data-state=error]{border-color:var(--color-red)}.btn[data-state=success]{border-color:var(--color-success)}.icon{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.rail{background:var(--color-panel);border-bottom:1px solid var(--color-rule);padding:16px}.brand{display:flex;align-items:center;gap:12px;color:var(--color-ink);font-weight:800;line-height:1.4}.brand:hover{text-decoration:none}.brand img{width:44px;height:44px;object-fit:cover;border:1px solid var(--color-rule)}.brand small{display:block;color:var(--color-muted);font-weight:400;font-size:10px;letter-spacing:.09em;margin-top:4px}.rail-art,.rail-bottom,.rail-label{display:none}.rail nav{display:flex;gap:4px;margin-top:16px}.rail nav a{color:var(--color-muted);display:flex;align-items:center;justify-content:center;gap:10px;padding:8px;min-height:44px;flex:1;white-space:nowrap;font-size:14px}.rail nav a .icon{display:none}.rail nav a.active{background:var(--color-yellow);color:var(--color-bg);font-weight:700}.rail nav a:hover{text-decoration:none;background:var(--color-raised);color:var(--color-ink)}.rail nav a.active:hover{background:var(--color-yellow-hover);color:var(--color-bg)}.shell{min-width:0}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;padding:0 20px;background:var(--color-bg);border-bottom:1px solid var(--color-rule)}.crumb{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--color-muted);white-space:nowrap}.crumb a{color:var(--color-muted)}.topbar .btn{min-height:36px;font-size:12px;padding:6px 10px}.content{max-width:1420px;margin:auto;padding:20px}.hero{position:relative;isolation:isolate;background:var(--color-panel);min-height:490px;display:flex;align-items:flex-end;overflow:clip;border:1px solid var(--color-rule)}.hero-picture{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:59% center;z-index:-2}.hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,var(--color-overlay) 5%,var(--color-overlay-mid) 58%,var(--color-clear) 100%)}.hero-content{padding:28px 20px;max-width:780px}.hero h1{margin:18px 0 14px}.hero h1 small{display:block;font-size:17px;font-weight:400;letter-spacing:.035em;margin-top:12px}.hero p{max-width:40em;color:var(--color-ink);font-size:15px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:12px;padding:3px 8px;border:1px solid var(--color-rule);background:var(--color-bg);color:var(--color-ink);white-space:nowrap}.tag.accent{background:var(--color-yellow);color:var(--color-bg);border-color:var(--color-yellow);font-weight:800}.hero-marker{position:absolute;top:20px;right:20px;background:var(--color-bg);padding:6px 10px;font-size:11px;letter-spacing:.08em;color:var(--color-muted)}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--color-rule);border-top:0;background:var(--color-panel);margin:0}.facts>div{padding:18px;border-right:1px solid var(--color-rule);border-bottom:1px solid var(--color-rule)}.facts dt{color:var(--color-muted);font-size:12px;margin-bottom:6px}.facts dd{margin:0;font-weight:700;font-size:14px}.section{margin-top:48px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px}.section-head 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a{color:var(--color-paper-ink)}.paper .btn{color:var(--color-bg)}.paper .stamp{display:inline-block;border:2px solid var(--color-red);color:var(--color-red);font-size:12px;font-weight:800;padding:4px 12px;margin:0 0 24px;transform:rotate(-3deg)}.paper ul{padding-left:20px;font-size:15px;margin-bottom:28px}.paper li{margin-bottom:16px}.paper .fineprint{font-size:12px;margin:22px 0 0}.split{display:grid;gap:32px}.log-row{display:grid;grid-template-columns:100px minmax(0,1fr);gap:20px;border-top:1px solid var(--color-rule);padding:22px 0}.log-row time{font-size:12px;color:var(--color-muted);font-variant-numeric:tabular-nums}.log-row h3{font-size:16px}.log-row p{font-size:14px;color:var(--color-muted);margin:0}.log-row a{font-size:12px}details{border-top:1px solid var(--color-rule)}details:last-child{border-bottom:1px solid var(--color-rule)}summary{font-size:15px;font-weight:600;cursor:pointer;padding:19px 32px 19px 0;position:relative;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:4px;top:15px;font-size:23px;color:var(--color-yellow)}details[open] summary:after{content:'−'}details p{color:var(--color-muted);font-size:14px;padding-right:16px}details summary:hover{color:var(--color-yellow)}.closing{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;border:1px solid var(--color-rule);background:var(--color-panel);padding:28px}.closing h2{font-size:26px;margin-bottom:8px}.closing p{font-size:14px;color:var(--color-muted);margin:0}.footer{margin-top:48px;border-top:1px solid var(--color-rule);padding:28px 0 8px;color:var(--color-muted);font-size:12px}.footer .brand{margin-bottom:20px;font-size:15px}.footer .brand img{width:32px;height:32px}.footer-links,.related{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:20px}.footer-links a,.related a{display:inline-flex;align-items:center;min-height:44px;white-space:nowrap}.related a{color:var(--color-muted);font-size:12px}.footer p{margin-bottom:8px}.sticky{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--color-rule);background:var(--color-panel);padding:12px 20px calc(12px + env(safe-area-inset-bottom))}.sticky strong{font-size:13px}.sticky small{display:block;color:var(--color-muted);font-size:11px}.sticky .btn{font-size:14px;padding:8px 16px}.page-title{padding:20px 0 28px;border-bottom:1px solid var(--color-rule);margin-bottom:32px}.page-title h1{font-size:clamp(30px,4vw,48px);margin:8px 0 16px}.page-title p{max-width:48em;color:var(--color-muted);margin:0}.section-label{font-size:12px;letter-spacing:.08em;color:var(--color-yellow)}.downloads{display:grid;gap:20px}.download-card{border:1px solid var(--color-rule);background:var(--color-panel);padding:24px}.download-card h2{font-size:26px;margin:12px 0}.download-card .large-version{font:700 36px/1.4 var(--font-display);margin:16px 0}.download-card .large-version small{font:14px var(--font-body);color:var(--color-muted)}.file-row{display:flex;justify-content:space-between;border-top:1px solid var(--color-rule);padding:13px 0;font-size:14px;gap:12px}.download-note{border:1px solid var(--color-rule);padding:20px 24px;margin-top:24px;font-size:14px;color:var(--color-muted)}.download-note strong{color:var(--color-ink)}.steps{counter-reset:steps;list-style:none;padding:0;margin:0}.steps li{counter-increment:steps;display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;padding:22px 0;border-top:1px solid var(--color-rule)}.steps li:before{content:counter(steps,decimal-leading-zero);color:var(--color-yellow);font:700 22px/1.4 var(--font-display)}.steps p{font-size:15px;color:var(--color-muted);margin:0}.code{display:block;overflow-wrap:anywhere;white-space:normal;background:var(--color-shadow);border:1px solid var(--color-rule);padding:14px;font:13px/1.7 var(--font-mono);color:var(--color-ink);margin:16px 0}.reading-layout{display:grid;gap:32px}.article p{color:var(--color-muted);max-width:65ch}.article h2{margin-top:40px}.article h3{margin-top:24px}.article figure{margin:28px 0}.article figcaption{font-size:12px;color:var(--color-muted);margin-top:10px}.article img{max-height:440px;width:100%;object-fit:contain;background:var(--color-shadow);border:1px solid var(--color-rule)}.contents{border:1px solid var(--color-rule);background:var(--color-panel);padding:24px;align-self:start}.contents h2{font-size:19px}.contents a{display:block;padding:10px 0;font-size:14px;min-height:44px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.filters button{background:var(--color-panel);border:1px solid var(--color-rule);color:var(--color-muted);min-height:44px;padding:8px 20px;white-space:nowrap}.filters button[aria-pressed=true]{background:var(--color-yellow);color:var(--color-bg);font-weight:700}.filters button:hover{border-color:var(--color-yellow)}.gallery-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}.gallery-card{border:1px solid var(--color-rule);background:var(--color-panel)}.gallery-card a{display:block}.gallery-card img{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--color-shadow)}.gallery-card figcaption{padding:16px}.gallery-card figcaption b{display:block;font-size:15px;margin-bottom:6px}.gallery-card figcaption p{font-size:13px;color:var(--color-muted);margin:0}.gallery-card[hidden]{display:none}.filter-status{font-size:13px;color:var(--color-muted);margin:0 0 20px}dialog{color:var(--color-ink);background:var(--color-panel);border:1px solid var(--color-rule);padding:16px;max-width:min(1200px,calc(100% - 24px));width:1100px;max-height:94dvh}dialog::backdrop{background:var(--color-backdrop)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:14px}.dialog-controls{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:16px}.dialog-controls button,.dialog-top button{border:1px solid var(--color-rule);background:var(--color-raised);color:var(--color-ink);min-height:44px;padding:8px 16px;font-size:14px;white-space:nowrap;flex-shrink:0}.dialog-controls button:hover,.dialog-top button:hover{border-color:var(--color-yellow)}dialog img{width:100%;height:auto;max-height:65dvh;object-fit:contain}.image-status{color:var(--color-muted);font-size:13px;min-height:24px}.image-status[data-state=error]{color:var(--color-yellow)}.image-status[data-state=success]{color:var(--color-success)}.lightbox-link:hover .zoom-label{color:var(--color-yellow)}[hidden]{display:none!important}
@media(min-width:40rem){.content{padding:28px}.hero-content{padding:36px}.hero{min-height:510px}.hero p{font-size:17px}.facts{grid-template-columns:repeat(4,minmax(0,1fr))}.facts>div{border-bottom:0}.facts>div:last-child{border-right:0}.downloads{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{padding:0 28px}.hero h1 small{font-size:20px}}
@media(min-width:64rem){.rail{position:fixed;top:0;bottom:0;left:0;width:208px;z-index:25;border-right:1px solid var(--color-rule);border-bottom:0;padding:28px 16px;overflow-y:auto;display:flex;flex-direction:column}.rail .brand{font-size:14px;gap:10px}.rail .brand img{width:40px;height:40px}.rail .brand small{font-size:8px}.rail-art{display:block;position:relative;margin:30px 0 24px;border:1px solid var(--color-rule);background:var(--color-shadow)}.rail-art img{width:100%;aspect-ratio:1;object-fit:cover}.rail-art span{position:absolute;bottom:0;left:0;right:0;background:var(--color-overlay);font-size:11px;padding:6px 10px;color:var(--color-muted)}.rail-label{display:block;color:var(--color-muted);font-size:11px;margin:0 12px 8px;letter-spacing:.12em}.rail nav{flex-direction:column;margin:0;gap:8px}.rail nav a{justify-content:flex-start;padding:12px 14px;font-size:14px;flex:initial}.rail nav a .icon{display:block}.rail-bottom{display:block;margin-top:auto;padding:32px 12px 0;color:var(--color-muted);font-size:11px}.rail-bottom b{color:var(--color-ink);font-size:13px;font-weight:600;display:block}.shell{margin-left:208px}.content{padding:28px 36px}.topbar{padding:0 36px}.topbar .btn{min-height:36px;padding:6px 18px}.hero{min-height:460px}.hero-content{padding:36px;max-width:760px}.hero:after{background:linear-gradient(90deg,var(--color-overlay) 0%,var(--color-overlay-mid) 45%,var(--color-clear) 80%),linear-gradient(0deg,var(--color-overlay) 0%,var(--color-clear) 80%)}.media-layout{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr)}.overview{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px}.split{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}.sticky{left:208px;padding-left:36px;padding-right:36px}.sticky strong{font-size:14px}.reading-layout{grid-template-columns:minmax(0,1fr) 260px;gap:48px}.contents{position:sticky;top:88px}.article h2:first-child{margin-top:0}.gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.paper{padding:32px}.hero-marker{top:24px;right:24px}}
@media(min-width:90rem){.hero{min-height:510px}.hero-content{padding:44px}.content{padding:32px 44px}.section{margin-top:60px}}
@media(max-width:39.99rem){.section-head{align-items:start;flex-direction:column;gap:4px}.hero-content .actions{gap:10px}.hero-content .btn{font-size:13px;padding:10px 14px}.hero-marker{display:none} .rail nav{gap:0} .rail nav a{font-size:12px;padding:8px 5px;min-width:0} .topbar .btn{min-height:44px}.hero{min-height:470px}.hero-picture{object-position:65% 30%}.hero h1{font-size:clamp(28px,8.6vw,34px);max-width:8.5em}.hero h1 small{font-size:14px}.topbar .crumb .crumb-divider,.topbar .crumb .crumb-home{display:none}.sticky strong{font-size:12px}.sticky small{font-size:10px}.sticky .btn{font-size:13px;padding:8px 12px}.paper{padding:24px}.log-row{grid-template-columns:78px minmax(0,1fr);gap:14px}.rail .brand small{font-size:9px}.content{padding:16px}.gallery-grid{gap:20px}.closing{padding:24px}.facts>div{padding:14px}.facts>div:nth-child(2n){border-right:0}.facts>div:nth-last-child(-n+2){border-bottom:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.btn:active{transform:none}}