:root{color-scheme:dark;--bg:#090e0e;--panel:#0c1313;--line:#263635;--muted:#a8b9b5;--green:#5fe5ab;--text:#eff6f3;font-family:'IBM Plex Sans',Arial,sans-serif;font-size:16px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--text);background:linear-gradient(90deg,#23423815 1px,transparent 1px),linear-gradient(#23423815 1px,transparent 1px),var(--bg);background-size:96px 96px;line-height:1.65}html[lang=ar]{font-family:Tahoma,Arial,sans-serif}html[lang=zh]{font-family:'PingFang SC','Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:5px}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);border-radius:0;background:#101c1a;color:var(--text);padding:12px 18px;min-height:44px}button:hover,.button:hover{border-color:var(--green)}.button{display:inline-flex;align-items:center;gap:25px;background:var(--green);color:#072217;font-weight:500}.button:hover{color:#072217;background:#8df2c3}.button.secondary{background:transparent;color:var(--text)}header{max-width:1800px;margin:auto;display:flex;align-items:center;gap:32px;padding:24px 4vw;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-family:'IBM Plex Mono',monospace;font-size:.7rem;line-height:1.5;letter-spacing:.07em}.brand img{width:52px;height:52px;object-fit:contain;background:#fff}.desktop-nav{display:flex;gap:25px;margin-inline-start:auto}.desktop-nav a,.language-bar,.eyebrow,.text-link,.art-caption{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.10em;text-transform:uppercase}.desktop-nav a[aria-current],.language-bar a[aria-current]{color:var(--green)}#open-menu{background:transparent}.language-bar{display:flex;justify-content:flex-end;gap:22px;padding:14px 4vw;max-width:1800px;margin:auto}.language-bar a{min-width:28px;min-height:28px;display:grid;place-items:center}main{max-width:1680px;margin:auto;padding:0 4vw 60px}.hero{display:grid;grid-template-columns:1fr 1.2fr;min-height:650px;align-items:center;gap:4vw;padding:45px 0 75px}.hero h1{font-size:clamp(2.8rem,5.3vw,6.5rem);line-height:1.05;font-weight:300;text-transform:uppercase;letter-spacing:-.025em;margin:28px 0}.hero p:not(.eyebrow){max-width:530px}.hero-sub{font-size:1.45rem;line-height:1.35}.hero-copy>p:not(.hero-sub):not(.eyebrow){color:var(--muted)}.hero .button{margin-top:20px}.eyebrow{color:var(--green);line-height:1.7}.hero-index{display:flex;gap:20px;margin-top:46px;border-top:1px solid var(--line);padding-top:18px;font-family:'IBM Plex Mono',monospace;font-size:.7rem}.hero-art{height:590px;position:relative}.hero-art>.photo{height:480px;width:88%;margin-inline-start:auto}.hero-art>.photo img{height:100%;object-fit:cover}.hero-inset{position:absolute;bottom:0;inset-inline-start:0;width:54%;border:10px solid var(--bg)}.hero-inset .photo{margin:0}.hero-inset img{height:225px;object-fit:cover}.photo{margin:0;position:relative;overflow:hidden}.photo img{display:block;width:100%;height:auto;aspect-ratio:1.5;object-fit:cover}.photo figcaption{font-size:.60rem;background:#081110e8;line-height:1.4;padding:5px 8px;color:#d0dbd7;position:absolute;bottom:0;max-width:100%;overflow-wrap:anywhere}.paths{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.paths path{fill:none;stroke:#74f4b2;stroke-width:1;opacity:.75;stroke-dasharray:9 5;animation:flow 40s linear infinite}.paths circle{fill:#9dffcc;filter:drop-shadow(0 0 10px #5fe5ab)}@keyframes flow{to{stroke-dashoffset:-500}}.art-caption{position:absolute;top:18px;inset-inline-start:0;writing-mode:vertical-rl;color:#b7cbc4}.section{padding-top:58px;margin-top:32px;border-top:1px solid var(--line)}.section-title{display:flex;align-items:center;justify-content:space-between}.section h2,.section-title h2{font-size:clamp(1.5rem,2.7vw,2.9rem);font-weight:300;line-height:1.25;margin:0 0 25px}.section>p{max-width:850px;font-size:1.15rem}.muted{color:var(--muted);font-size:.85rem}.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}.city-card{border:1px solid var(--line);background:#0b1313;min-width:0}.image-link{display:block;overflow:hidden}.city-card img{display:block;width:100%;height:220px;object-fit:cover;transition:transform .4s}.city-card:hover img{transform:scale(1.025)}.card-copy{padding:24px}.city-card h3{font-weight:300;font-size:1.7rem;line-height:1.25;margin:12px 0}.city-card p{color:var(--muted);font-size:.95rem;min-height:3.2em}.text-link{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line);color:var(--green)}.page-heading{padding:48px 0 60px;max-width:1000px}.page-heading h1{font-size:clamp(2.6rem,6vw,6rem);font-weight:300;text-transform:uppercase;line-height:1.05;letter-spacing:-.025em;margin:25px 0}.lead{font-size:clamp(1.15rem,1.8vw,1.45rem);line-height:1.6;color:#c0d0ca;max-width:960px}.breadcrumb{font-size:.72rem;font-family:'IBM Plex Mono',monospace;color:var(--muted);margin-top:18px}.world-map{display:block;width:100%;min-width:650px}.map-wrap{border:1px solid var(--line);overflow-x:auto;background:#081310;margin-bottom:20px}.world-map circle{fill:var(--green);stroke:#091210;stroke-width:2}.world-map text{fill:#d6eae0;font-size:12px;font-family:'IBM Plex Mono',monospace}.filters{display:flex;gap:20px;align-items:end;margin-top:40px}.filters label:first-child{flex:1}label{display:block;color:var(--muted);font-size:.85rem}input,textarea,select{display:block;width:100%;padding:13px 15px;background:#101b19;border:1px solid #3b524b;border-radius:0;color:var(--text);margin-top:8px;min-height:48px}input::placeholder,textarea::placeholder{color:#98aca4}textarea{resize:vertical}.city-hero{position:relative;margin-top:24px}.city-hero .photo img{height:580px;object-fit:cover}.city-hero:after{content:'';position:absolute;inset:35% 0 0;background:linear-gradient(transparent,#07100ded);pointer-events:none}.city-hero-title{position:absolute;z-index:1;bottom:45px;inset-inline-start:45px;max-width:85%}.city-hero h1{font-size:clamp(3rem,7vw,7.3rem);line-height:1;font-weight:300;text-transform:uppercase;margin:15px 0}.city-hero-title p:last-child{font-size:1.5rem}.city-hero .photo figcaption{z-index:2}.city-summary{display:flex;gap:50px;align-items:center;padding:30px 0}.city-summary .button{flex-shrink:0}.statement{font-size:clamp(1.5rem,3vw,2.5rem)!important;font-weight:300;max-width:1100px!important}.sources{list-style:none;padding:0;margin:25px 0}.sources li{border-top:1px solid var(--line)}.sources a{display:flex;justify-content:space-between;gap:30px;padding:20px 8px;font-size:1rem;overflow-wrap:anywhere}.sources a span{color:var(--green)}.lesson-grid,.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.lesson{border:1px solid var(--line);padding:28px;background:#0a1512}.lesson h2{font-size:1.5rem;line-height:1.3;font-weight:300;margin-top:20px}.lesson ol{list-style:none;padding:0}.lesson li{display:flex;gap:16px;border-top:1px solid var(--line);padding:16px 0;align-items:start}.lesson li p{margin:0;color:#b9cec4}.step-dot{border:1px solid #527c66;width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;font-family:'IBM Plex Mono';font-size:.7rem;color:var(--green)}.scenario-grid article{border:1px solid var(--line);padding:20px;min-width:0}.scenario-grid h2{font-weight:300;font-size:1.8rem}.scenario-grid .eyebrow{display:block;margin-top:20px}.systems-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.systems-grid article{border:1px solid var(--line);padding:24px}.systems-grid h2{font-weight:300;font-size:1.8rem}.editorial-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:45px;align-items:start}.editorial-grid>.photo img{height:620px}.timeline-entry{border-top:1px solid var(--line);padding:22px 0}.timeline-entry h2{font-weight:300;font-size:1.5rem}.timeline-entry .sources{margin:5px 0}.timeline-entry .sources a{padding:10px 0;font-size:.8rem}.compare-controls{display:flex;gap:30px}.compare-controls label{flex:1}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:40px}.comparison article{border:1px solid var(--line);padding:24px;min-width:0}.comparison img{width:100%;height:260px;object-fit:cover}.comparison h2{font-size:2rem;font-weight:300}.comparison dt{font-family:'IBM Plex Mono';font-size:.75rem;color:var(--green);margin-top:28px}.comparison dd{margin:8px 0 0}.feedback-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:60px}.feedback-layout label{margin-bottom:22px}.feedback-layout .photo img{height:560px}.identity-logo{max-width:240px;height:auto;background:white;margin-bottom:30px}.settings{border:1px solid var(--line);padding:30px}.settings h2{font-weight:300}.settings button{margin:6px}.credits{display:grid;grid-template-columns:1fr 1fr;gap:28px}.credits article{padding:24px;border:1px solid var(--line);overflow-wrap:anywhere}.credits article h2{font-size:1.5rem}.library-search{max-width:700px}.library-search input{margin-bottom:30px}footer{max-width:1800px;margin:auto;padding:60px 4vw 40px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:25px}.footer-brand{font-family:'IBM Plex Mono';font-size:1rem;letter-spacing:.1em}.footer-brand span{display:block;font-family:'IBM Plex Sans';font-size:.9rem;letter-spacing:0;color:var(--muted);margin-top:10px}footer nav{display:flex;flex-wrap:wrap;gap:24px;font-size:.85rem}footer>a{text-align:end}.skip{position:fixed;top:-100px;z-index:1000;background:var(--green);color:#05150b;padding:12px}.skip:focus{top:10px}dialog{max-width:1100px;width:94vw;max-height:90dvh;border:1px solid #476d5f;background:#091411;color:white;padding:30px}dialog::backdrop{background:#000c;backdrop-filter:blur(7px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:'IBM Plex Mono';font-size:.8rem}.dialog-head button{flex-shrink:0}dialog nav{display:grid;grid-template-columns:repeat(3,1fr);gap:5px 25px;margin-top:30px}dialog nav a{padding:14px 0;border-top:1px solid var(--line);font-size:.9rem}dialog nav span{font-family:'IBM Plex Mono';font-size:.65rem;color:var(--green);margin-inline-end:10px}[hidden]{display:none!important}html.large-text{font-size:20px}html.reduce-motion *,html.reduce-motion *:before,html.reduce-motion *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(min-width:1800px){.hero-art{height:650px}.hero-art>.photo{height:560px}}
@media(max-width:1100px){.desktop-nav{display:none}#open-menu{margin-inline-start:auto}.hero{min-height:0;gap:25px}.hero-art{height:500px}.hero-art>.photo{height:400px}.hero-inset img{height:175px}.city-grid{grid-template-columns:repeat(2,1fr)}.lesson-grid{grid-template-columns:1fr}.lesson ol{display:grid;grid-template-columns:1fr 1fr;gap:15px}.city-card img{height:260px}}
@media(max-width:700px){header{padding:16px 5vw;gap:15px}.brand{font-size:.6rem}.brand img{width:44px;height:44px}.language-bar{justify-content:space-between;padding:8px 5vw;gap:8px}main{padding:0 5vw 40px}.hero{display:flex;flex-direction:column;padding:28px 0 30px}.hero-copy{width:100%}.hero h1{font-size:clamp(2.3rem,11vw,4rem);margin:20px 0}.hero-sub{font-size:1.2rem}.hero-index{margin-top:28px;gap:16px;flex-wrap:wrap}.hero-art{height:360px;width:100%;margin-top:22px}.hero-art>.photo{height:295px;width:90%}.hero-inset{width:55%;border-width:6px}.hero-inset img{height:135px}.city-grid{gap:15px}.city-card img{height:150px}.card-copy{padding:15px}.city-card h3{font-size:1.3rem}.city-card p{font-size:.8rem}.eyebrow{font-size:.6rem}.page-heading{padding:30px 0}.page-heading h1{font-size:2.7rem;overflow-wrap:anywhere}.filters{flex-wrap:wrap;gap:15px}.filters label:first-child{flex-basis:100%}.filters label:nth-child(2){flex:1}.city-hero .photo img{height:430px}.city-hero-title{bottom:35px;inset-inline-start:20px;max-width:90%}.city-hero h1{font-size:2.8rem;overflow-wrap:anywhere}.city-hero-title p:last-child{font-size:1.05rem}.city-summary{display:block}.city-summary .button{margin-top:10px}.systems-grid,.scenario-grid,.editorial-grid,.feedback-layout,.credits{grid-template-columns:1fr;gap:22px}.editorial-grid>.photo img{height:320px}.lesson ol{grid-template-columns:1fr}.lesson{padding:22px}.comparison{gap:12px}.comparison article{padding:12px}.comparison img{height:150px}.comparison h2{font-size:1.4rem}.comparison dd{font-size:.85rem}.compare-controls{gap:12px}.compare-controls select{padding:10px 6px}.feedback-layout .photo img{height:260px}.section{padding-top:35px;margin-top:25px}footer{padding:35px 5vw;grid-template-columns:1fr}footer>a{text-align:start}.dialog-head{font-size:.65rem}dialog{padding:20px}dialog nav{grid-template-columns:1fr 1fr;gap:5px 15px}dialog nav a{font-size:.78rem}.art-caption{font-size:.5rem}.sources a{font-size:.85rem;gap:12px}}
@media(max-width:370px){.city-grid{grid-template-columns:1fr}.comparison{grid-template-columns:1fr}.city-card img{height:220px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Owner correction: standalone dimensional English identity */
.brand img{background:transparent;width:96px;height:106px;object-fit:contain}.brand span{display:none}.identity-logo{background:transparent;width:320px;max-width:100%;height:auto}header{padding-top:12px;padding-bottom:12px}@media(max-width:700px){.brand img{width:76px;height:84px}}

/* Continuous editorial journey: V1.1 */
.stream-nav{display:flex;flex-wrap:wrap;gap:12px 26px;border-block:1px solid var(--line);padding:24px 0;font-family:'IBM Plex Mono',monospace;font-size:.75rem}.stream-chapter{position:relative;padding:70px 0 50px;border-bottom:1px solid var(--line);scroll-margin-top:25px}.chapter-number{font-family:'IBM Plex Mono',monospace;color:var(--muted);font-size:.7rem;margin-bottom:22px;letter-spacing:.15em}.stream-title,.stream-city-copy h2{font-size:clamp(2.5rem,6vw,6rem);font-weight:300;line-height:1.08;letter-spacing:-.025em;text-transform:uppercase;margin:20px 0 30px}.stream-photo{margin-inline:-4vw}.stream-photo img{height:clamp(350px,65vw,780px);aspect-ratio:auto}.stream-city-copy{display:grid;grid-template-columns:1fr 1fr;gap:8vw;padding:50px 0 20px}.stream-city-copy>div:first-child{align-self:start;position:sticky;top:35px}.stream-city-copy h3{font-weight:400;color:var(--green);font-size:.85rem;margin-top:28px}.stream-city-copy p{font-size:1.1rem;color:#c0d0ca}.stream-open{margin-top:35px;padding:20px 0}.stream-directory{display:grid;grid-template-columns:repeat(3,1fr);gap:0 30px;padding:60px 0}.stream-directory a{padding:18px 0;border-bottom:1px solid var(--line)}.stream-chapter .page-heading{padding-top:0}.stream-chapter .page-heading h2{margin-top:20px}.stream-chapter:nth-of-type(3n){--green:#96d5ed}.stream-chapter:nth-of-type(3n + 1){--green:#f0c38b}@media(max-width:700px){.stream-chapter{padding:40px 0 30px}.stream-photo{margin-inline:-5vw}.stream-photo img{height:380px}.stream-city-copy{grid-template-columns:1fr;gap:8px;padding-top:25px}.stream-city-copy>div:first-child{position:static}.stream-title,.stream-city-copy h2{font-size:clamp(2.3rem,10vw,4rem);overflow-wrap:anywhere}.stream-directory{grid-template-columns:1fr 1fr;gap:0 18px}.stream-nav{gap:15px;font-size:.65rem}}