/* All four typefaces ship locally with their SIL OFL 1.1 notices. */
@font-face{font-family:Pixelify;src:url('assets/fonts/office-pixel-latin.ttf') format('truetype');font-style:normal;font-weight:400 700;font-display:swap}
@font-face{font-family:FusionPixel;src:url('assets/fonts/office-pixel-han.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:SourceSans;src:url('assets/fonts/office-text-latin.ttf') format('truetype');font-style:normal;font-weight:200 900;font-display:swap}
@font-face{font-family:NotoSC;src:url('assets/fonts/office-text-han.ttf') format('truetype');font-style:normal;font-weight:100 900;font-display:swap}
html[data-style="pixel"]{--bg:#fff5dd;--panel:#fffaf0;--panel-2:#e8edce;--border:#bec5a3;--border-strong:#667653;--text:#203a2e;--text-2:#425641;--text-3:#506246;--accent:#315b3e;--accent-text:#fffaf0;--accent-soft:#dbe7bb;--shadow:#203a2e;--gold:#e9bb53;--font-sans:SourceSans,system-ui,sans-serif;--font-pixel:Pixelify,monospace;--font-serif:var(--font-pixel)}
html[data-style="pixel"][data-theme=dark]{--bg:#17271f;--panel:#20382b;--panel-2:#29422d;--border:#4d6448;--border-strong:#9eaf86;--text:#fff5dd;--text-2:#d4dcc0;--text-3:#bccda2;--accent:#d0e3a0;--accent-text:#17271f;--accent-soft:#3f5635;--shadow:#0c1912;--gold:#e9bb53}
html[data-style="pixel"][lang=zh-CN]{--font-sans:SourceSans,NotoSC,system-ui,sans-serif;--font-pixel:FusionPixel,Pixelify,monospace}
html[data-style="pixel"] body{font-size:18px;line-height:1.65}
html[data-style="pixel"] button,html[data-style="pixel"] .button,html[data-style="pixel"] .closing-cta,html[data-style="pixel"] dialog,html[data-style="pixel"] .hero-art img,html[data-style="pixel"] .film-frame,html[data-style="pixel"] .film-frame video,html[data-style="pixel"] .gallery,html[data-style="pixel"] .story-section,html[data-style="pixel"] .closing,html[data-style="pixel"] .office-record,html[data-style="pixel"] .workflow-icon{border-radius:0}
html[data-style="pixel"] header{border-bottom:2px solid var(--border);padding-top:24px;padding-bottom:24px}
html[data-style="pixel"] .brand{font-family:Pixelify,monospace;font-weight:600;font-size:24px;gap:12px}
html[data-style="pixel"] .brand img,html[data-style="pixel"] .office-record img{image-rendering:pixelated}
html[data-style="pixel"] nav{gap:28px;font-size:18px}
html[data-style="pixel"] button{border-width:2px;background:var(--panel);box-shadow:3px 3px 0 var(--border)}
html[data-style="pixel"] button:hover{border-color:var(--accent)}
html[data-style="pixel"] button:active,html[data-style="pixel"] .button:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--shadow)}
html[data-style="pixel"] .switches button{border-color:var(--border-strong)}
html[data-style="pixel"] h1,html[data-style="pixel"] h2,html[data-style="pixel"] h3{font-family:var(--font-pixel);font-weight:500;letter-spacing:0;line-height:1.1}
html[data-style="pixel"] h1,html[data-style="pixel"] h2{text-wrap:balance}
html[data-style="pixel"] .hero{padding-top:64px;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:32px 32px;background-repeat:repeat;background-position:center top}
html[data-style="pixel"] .hero-copy{max-width:1080px;margin:auto;padding:12px 32px 24px;background:var(--bg);box-shadow:0 0 0 12px var(--bg)}
html[data-style="pixel"] .hero h1{font-size:clamp(64px,6.5vw,96px);letter-spacing:0;line-height:1.06;margin:20px 0 24px}
html[data-style="pixel"] .hero-lead{font-size:22px;line-height:1.5}
html[data-style="pixel"] .eyebrow{font-family:var(--font-pixel);font-size:18px;font-weight:400;letter-spacing:.08em;line-height:1.6;color:var(--text-3)}
html[data-style="pixel"] .actions{gap:16px}
html[data-style="pixel"] .button{border:2px solid var(--accent);box-shadow:4px 4px 0 var(--shadow);font-size:18px;min-height:54px}
html[data-style="pixel"] .button.plain{background:var(--panel);border-color:var(--border-strong);box-shadow:4px 4px 0 var(--border)}
html[data-style="pixel"] .button:hover{filter:none;background:var(--accent-soft);color:var(--text)}
html[data-style="pixel"] .hero-art{padding:0 32px;margin-top:40px;padding-bottom:8px}
html[data-style="pixel"] .hero-art img{border:4px solid var(--shadow);box-shadow:8px 8px 0 var(--border-strong);image-rendering:pixelated}
html[data-style="pixel"] .section h2{font-size:clamp(48px,4.5vw,64px);letter-spacing:0;line-height:1.1}
html[data-style="pixel"] .section{padding-top:104px;padding-bottom:104px}
html[data-style="pixel"] .film-heading{gap:48px}
html[data-style="pixel"] .film-intro{font-size:20px;line-height:1.6}
html[data-style="pixel"] .film-frame{padding:8px;border:4px solid var(--shadow);box-shadow:8px 8px 0 var(--border-strong)}
html[data-style="pixel"] .film-frame video{image-rendering:pixelated}
html[data-style="pixel"] .film-play{background:var(--accent);color:var(--accent-text);border:3px solid var(--accent-text);box-shadow:6px 6px 0 var(--shadow);font-family:SourceSans,sans-serif}
html[data-style="pixel"] .film-play:hover{filter:none;background:var(--accent-soft);color:var(--text);border-color:var(--text)}
html[data-style="pixel"] .film-play:active{transform:translate(-50%,-50%)}
html[data-style="pixel"] .promise-section{border-top:2px solid var(--border)}
html[data-style="pixel"] .promises{gap:24px}
html[data-style="pixel"] .promises article{padding:24px 0 0;border-top:4px solid var(--border-strong)}
html[data-style="pixel"] .promise-number{font-family:Pixelify,monospace;font-size:20px;color:var(--text-3);margin-bottom:16px}
html[data-style="pixel"] .promises h3{font-family:var(--font-pixel);font-size:30px;font-weight:500;line-height:1.2;letter-spacing:0}
html[data-style="pixel"] .promises p{font-size:18px;line-height:1.7}
html[data-style="pixel"] .story-section{padding:64px 48px;border:4px solid var(--border-strong);box-shadow:8px 8px 0 var(--shadow);background:var(--panel-2)}
html[data-style="pixel"] .workflow>h2{font-family:var(--font-pixel);font-size:clamp(44px,4.5vw,60px);letter-spacing:0;line-height:1.1}
html[data-style="pixel"] .workflow-route{gap:32px}
html[data-style="pixel"] .workflow-icon{width:80px;height:80px;padding:6px;border:2px solid var(--border-strong);box-shadow:4px 4px 0 var(--border);stroke-width:1;stroke-linecap:square;stroke-linejoin:miter;shape-rendering:crispEdges;animation-name:pixel-step-pulse;animation-timing-function:steps(1,end)}
html[data-style="pixel"] .workflow-step h3{font-family:var(--font-pixel);font-size:24px;font-weight:500;line-height:1.2}
html[data-style="pixel"] .workflow-step p{font-size:18px}
html[data-style="pixel"] .workflow-step:not(:last-child)::after{font-family:SourceSans,sans-serif;top:22px;right:-23px}
html[data-style="pixel"] .record-loop{border-top:2px dashed var(--border-strong);color:var(--text-2);font-size:18px}
html[data-style="pixel"] .office-record{border:2px solid var(--border-strong);box-shadow:4px 4px 0 var(--border);padding:24px;gap:18px}
html[data-style="pixel"] .office-record h3{font-family:Pixelify,monospace;font-size:24px;font-weight:500}
html[data-style="pixel"] .office-record p,html[data-style="pixel"] .office-record .record-kinds{font-size:18px}
html[data-style="pixel"] .gallery-tabs{gap:12px;margin-bottom:24px}
html[data-style="pixel"] .gallery-tabs button{font-size:18px;padding:8px 20px}
html[data-style="pixel"] .gallery-tabs [aria-selected=true]{box-shadow:3px 3px 0 var(--shadow)}
html[data-style="pixel"] .gallery{border:4px solid var(--shadow);box-shadow:8px 8px 0 var(--border-strong)}
html[data-style="pixel"] .window-bar{border-bottom:2px solid var(--border-strong);background:var(--panel-2);font-size:18px}
html[data-style="pixel"] .window-dots{font-family:Pixelify,monospace;letter-spacing:4px}
html[data-style="pixel"] .gallery figcaption{font-size:18px;border-top:2px solid var(--border);background:var(--panel)}
html[data-style="pixel"] .gallery img{image-rendering:auto}
html[data-style="pixel"] .closing{position:relative;padding:64px 32px 72px;background:#203a2e;color:#fff5dd;border:4px solid var(--shadow);box-shadow:8px 8px 0 var(--border-strong);margin:0 32px}
html[data-style="pixel"] .closing-moles{display:block;width:384px;max-width:100%;height:auto;margin:0 auto 36px;border:4px solid #e9bb53;box-shadow:8px 8px 0 #12271e;image-rendering:pixelated}
html[data-style="pixel"] .closing .eyebrow,html[data-style="pixel"] .closing-lead{color:#d4dcc0}
html[data-style="pixel"] .closing h2{font-family:var(--font-pixel);font-size:clamp(52px,5.2vw,76px);letter-spacing:0;line-height:1.1}
html[data-style="pixel"] .closing-cta{font-size:18px;background:#d0e3a0;color:#17271f;border:2px solid #d0e3a0;box-shadow:4px 4px 0 #10251a;padding:12px 24px}
html[data-style="pixel"] footer{font-size:18px;padding-top:40px;padding-bottom:40px}
html[data-style="pixel"] footer .brand{font-size:24px}
html[data-style="pixel"] dialog{border:4px solid var(--shadow);box-shadow:8px 8px 0 var(--border-strong);padding:20px}
@keyframes pixel-step-pulse{0%,18%,100%{opacity:.75}4%,12%{opacity:1;filter:brightness(1.12)}}
html[data-style="pixel"][lang=zh-CN] h1,html[data-style="pixel"][lang=zh-CN] h2{line-height:1.3;letter-spacing:0;font-weight:400}
html[data-style="pixel"][lang=zh-CN] .hero h1{font-size:72px}
html[data-style="pixel"][lang=zh-CN] .section h2,html[data-style="pixel"][lang=zh-CN] .workflow>h2{font-size:48px}
html[data-style="pixel"][lang=zh-CN] .promises h3{font-size:24px;font-weight:400;line-height:1.5;letter-spacing:0}
html[data-style="pixel"][lang=zh-CN] .eyebrow{font-size:24px;letter-spacing:0;line-height:1.5}
html[data-style="pixel"][lang=zh-CN] .closing h2{font-size:60px}
html[data-style="pixel"][lang=zh-CN] .workflow-step h3{font-size:24px;font-weight:400;line-height:1.5}
@media(max-width:1000px){
html[data-style="pixel"] header{padding:24px 28px;gap:20px}
html[data-style="pixel"] nav{gap:20px}
html[data-style="pixel"] .hero-copy{max-width:calc(100% - 64px)}
html[data-style="pixel"] .hero h1{font-size:72px}
html[data-style="pixel"] .section{padding:80px 32px}
html[data-style="pixel"] .story-section{margin:0 24px;padding:48px 32px}
html[data-style="pixel"] .workflow-route{gap:22px}
html[data-style="pixel"] .workflow-step h3{font-size:22px}
html[data-style="pixel"] .workflow-step p{font-size:17px}
html[data-style="pixel"] .promises{gap:32px}
html[data-style="pixel"] .promises h3{font-size:32px}
html[data-style="pixel"] .office-record .record-kinds{max-width:260px}
html[data-style="pixel"] .film-heading{gap:32px}
html[data-style="pixel"] .closing{margin:0 24px}
html[data-style="pixel"][lang=zh-CN] .hero h1{font-size:60px}}
@media(max-width:700px){
html[data-style="pixel"] body{font-size:18px}
html[data-style="pixel"] header{padding:20px 20px;gap:16px}
html[data-style="pixel"] .brand{font-size:24px}
html[data-style="pixel"] nav{font-size:18px;gap:20px}
html[data-style="pixel"] .switches{gap:10px}
html[data-style="pixel"] .switches button{padding:6px 10px}
html[data-style="pixel"] .hero{padding-top:36px;background-size:24px 24px}
html[data-style="pixel"] .hero-copy{max-width:calc(100% - 32px);padding:8px 16px 16px;box-shadow:0 0 0 8px var(--bg)}
html[data-style="pixel"] .hero h1{font-size:56px;line-height:1.1;letter-spacing:0;margin:20px 0}
html[data-style="pixel"] .hero-lead{font-size:20px}
html[data-style="pixel"] .eyebrow{font-size:18px;letter-spacing:.04em}
html[data-style="pixel"] .actions{gap:16px;margin-top:24px}
html[data-style="pixel"] .button{font-size:18px;padding:10px 16px}
html[data-style="pixel"] .hero-art{padding:0 20px;margin-top:32px;padding-bottom:8px}
html[data-style="pixel"] .hero-art img{height:320px;object-fit:cover;object-position:48% center;border-width:3px;box-shadow:6px 6px 0 var(--border-strong)}
html[data-style="pixel"] .section{padding:64px 24px}
html[data-style="pixel"] .section h2{font-size:48px;letter-spacing:0;line-height:1.15}
html[data-style="pixel"] .film-intro{font-size:18px}
html[data-style="pixel"] .film-frame{padding:4px;border-width:3px;box-shadow:6px 6px 0 var(--border-strong)}
html[data-style="pixel"] .film-play{background:var(--accent);color:var(--accent-text);width:60px;height:60px;font-size:30px;box-shadow:4px 4px 0 var(--shadow)}
html[data-style="pixel"] .promises{gap:28px 24px}
html[data-style="pixel"] .promises h3{font-size:28px;letter-spacing:0}
html[data-style="pixel"] .promises p{font-size:18px}
html[data-style="pixel"] .promise-number{margin-bottom:12px}
html[data-style="pixel"] .story-section{margin:0 20px;padding:36px 24px;border-width:3px;box-shadow:6px 6px 0 var(--shadow)}
html[data-style="pixel"] .workflow>h2{font-size:44px;line-height:1.15;margin-bottom:32px}
html[data-style="pixel"] .workflow-route{gap:28px}
html[data-style="pixel"] .workflow-step{padding-left:96px;min-height:86px}
html[data-style="pixel"] .workflow-step h3{font-size:26px;margin-top:0}
html[data-style="pixel"] .workflow-step p{font-size:18px}
html[data-style="pixel"] .workflow-step:not(:last-child)::after{top:78px;left:33px;right:auto}
html[data-style="pixel"] .record-loop{font-size:18px;gap:12px;margin-top:24px}
html[data-style="pixel"] .office-record{padding:18px;gap:16px}
html[data-style="pixel"] .office-record .record-kinds{max-width:none}
html[data-style="pixel"] .gallery-tabs{gap:12px}
html[data-style="pixel"] .gallery-tabs button{padding:8px 14px}
html[data-style="pixel"] .gallery{border-width:3px;box-shadow:6px 6px 0 var(--border-strong)}
html[data-style="pixel"] .window-bar{padding:12px;font-size:18px}
html[data-style="pixel"] .window-live{font-size:16px}
html[data-style="pixel"] .gallery figcaption{padding:20px}
html[data-style="pixel"] .closing{margin:0 20px;padding:40px 24px 48px;border-width:3px;box-shadow:6px 6px 0 var(--border-strong)}
html[data-style="pixel"] .closing-moles{width:288px;margin-bottom:32px;border-width:3px;box-shadow:6px 6px 0 #12271e}
html[data-style="pixel"] .closing h2{font-size:48px;letter-spacing:0}
html[data-style="pixel"] .closing-lead{font-size:18px}
html[data-style="pixel"] .closing-cta{font-size:18px;padding:12px 18px}
html[data-style="pixel"] footer{padding:32px 24px;font-size:18px}
html[data-style="pixel"][lang=zh-CN] .hero h1{font-size:48px}
html[data-style="pixel"][lang=zh-CN] .section h2,html[data-style="pixel"][lang=zh-CN] .workflow>h2,html[data-style="pixel"][lang=zh-CN] .closing h2{font-size:36px}
html[data-style="pixel"][lang=zh-CN] .eyebrow{font-size:24px}
html[data-style="pixel"][lang=zh-CN] .promises h3{font-size:24px}}
@media(max-width:440px){
html[data-style="pixel"] nav{gap:18px;font-size:17px}
html[data-style="pixel"] .hero h1{font-size:36px;line-height:1.15;letter-spacing:0}
html[data-style="pixel"] .hero h1 em{white-space:normal}
html[data-style="pixel"] .hero-lead{font-size:19px}
html[data-style="pixel"] .hero-art img{height:288px}
html[data-style="pixel"] .section h2{font-size:40px}
html[data-style="pixel"] .promises{grid-template-columns:1fr;gap:28px}
html[data-style="pixel"] .promises article{grid-template-columns:36px 1fr;gap:0 12px;padding-top:20px}
html[data-style="pixel"] .promises h3{font-size:28px}
html[data-style="pixel"] .promise-number{font-size:20px}
html[data-style="pixel"] .workflow>h2{font-size:40px}
html[data-style="pixel"] .gallery-tabs button{padding:8px 14px}
html[data-style="pixel"] .closing h2{font-size:40px}
html[data-style="pixel"][lang=zh-CN] .hero h1{font-size:48px}}
@media(prefers-reduced-motion:reduce){
html[data-style="pixel"]{scroll-behavior:auto}
html[data-style="pixel"] *,html[data-style="pixel"] *::before,html[data-style="pixel"] *::after{animation:none!important;transition:none!important}}/* Integer scaling keeps every new illustration pixel crisp. */
html[data-style="pixel"] .promise-art{display:block;width:192px;height:128px;image-rendering:pixelated;margin:0 auto 24px;grid-column:1/-1}
html[data-style="pixel"] .workflow-icon{image-rendering:pixelated;object-fit:contain}
html[data-style="pixel"] .office-record>img{flex-shrink:0;width:64px;height:64px}
@media(max-width:700px){
html[data-style="pixel"] .workflow-step{min-height:96px}
html[data-style="pixel"] .workflow-icon{width:80px;height:80px}
html[data-style="pixel"] .promises .promise-art{margin-bottom:20px}}
@media(max-width:440px){
html[data-style="pixel"] .promises article{display:block}
html[data-style="pixel"] .promise-number{margin-top:0}
html[data-style="pixel"] .promises h3{margin-bottom:14px}}/* Keep the keyboard skip link clipped until focus, including tall captures. */
html[data-style="pixel"] .skip{clip-path:inset(50%)}
html[data-style="pixel"] .skip:focus{clip-path:none}

html[data-style="pixel"] .workflow-icon{border:0;background:transparent;box-shadow:none;padding:8px}
html[data-style="pixel"] .workflow-icon img{width:64px;height:64px;image-rendering:pixelated}
html[data-style="pixel"] .closing-moles[hidden]{display:none}
@media(max-width:700px){html[data-style="pixel"] header{gap:10px;padding-left:16px;padding-right:16px}html[data-style="pixel"] header .brand{font-size:20px;gap:6px}html[data-style="pixel"] .switches{gap:6px}html[data-style="pixel"] .switches button{padding:6px 8px;font-size:16px}}

/* 32-grid story art: 3× steps, 4× sandbox. Record art is 32/64-grid. */
html[data-style="pixel"] #story{--flow-icon-size:96px;--flow-sandbox-size:128px;--flow-record-icon-size:96px}
html[data-style="pixel"] #story .workflow-icon img{image-rendering:pixelated}
html[data-style="pixel"] #story .record-archivist{width:64px;height:64px}
html[data-style="pixel"] #story .workflow>h2{font-size:var(--flow-section-title-size);line-height:1.3}
html[data-style="pixel"] #story .workflow-step h3{font-size:var(--flow-step-title-size);line-height:1.35}
html[data-style="pixel"] #story .workflow-step p{font-size:var(--flow-description-size)}
@media(max-width:700px){html[data-style="pixel"] #story{--flow-record-icon-size:64px}}