*:where(:not(svg):not(svg *)){box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#080A0D;color:#C7CDD5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:#8ED8FF;text-underline-offset:3px}a:hover{color:#F5F7FA}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #8ED8FF;outline-offset:3px;border-radius:4px}h1,h2,h3{color:#F5F7FA;line-height:1.38;margin:0 0 16px}h1{font-size:32px}h2{font-size:24px}h3{font-size:19px}p{margin:0 0 16px}ul,ol{padding-left:24px;margin:10px 0 18px}li{margin-bottom:8px}section{min-width:0}img{max-width:100%}.container{max-width:1200px;padding:0 24px;margin:auto;min-height:60vh}.site-header{position:sticky;top:0;z-index:100;background:rgba(8,10,13,.96);border-bottom:1px solid rgba(255,255,255,.09)}.header-inner{max-width:1200px;margin:auto;display:flex;align-items:center;gap:28px;height:68px;padding:0 24px;min-width:0}.brand{flex:none;display:inline-flex;align-items:center;text-decoration:none;max-width:145px}.brand img{display:block;width:auto;height:auto;max-height:34px;max-width:125px;object-fit:contain}.brand-fallback{font-size:22px;font-weight:800;color:#F5F7FA;white-space:nowrap}.desktop-nav{display:flex;align-items:center;gap:19px;min-width:0;flex:1}.desktop-nav>a,.menu-toggle{white-space:nowrap;color:#C7CDD5;text-decoration:none;font-size:14px}.desktop-nav>a[aria-current="page"],.section-nav a[aria-current="page"]{color:#8ED8FF;font-weight:700}.desktop-nav>a:hover{color:#F5F7FA}.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}.menu-toggle{border:1px solid rgba(255,255,255,.16);background:#12161C;padding:7px 12px;border-radius:8px;min-height:44px}.entry-button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;border-radius:8px;background:#5C7CFA;color:#080A0D!important;padding:6px 16px;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}.entry-button:hover{background:#8ED8FF}.direct-map{position:absolute;right:24px;top:68px;background:#0D1015;border:1px solid rgba(255,255,255,.12);border-radius:0 0 8px 8px;padding:2px 9px;font-size:12px}.mobile-toggle{display:none}.desktop-panel{position:absolute;top:100%;left:0;width:100%;pointer-events:none}.desktop-panel:not([hidden]){display:flex;justify-content:center}.menu-content{max-width:1100px;width:calc(100% - 48px);background:#12161C;border:1px solid rgba(255,255,255,.16);border-radius:0 0 16px 16px;padding:22px 26px;box-shadow:0 14px 35px rgba(0,0,0,.48);pointer-events:auto}.panel-top{display:flex;align-items:center;justify-content:space-between;color:#F5F7FA}.panel-top button{background:#171C23;color:#F5F7FA;border:1px solid rgba(255,255,255,.16);padding:7px 13px;border-radius:8px}.menu-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:16px}.menu-groups h2,.mobile-panel h2{font-size:15px;color:#8ED8FF;margin:0 0 8px}.menu-groups section>a,.mobile-panel section>a{display:inline-block;margin:1px 12px 5px 0;color:#C7CDD5;text-decoration:none;font-size:14px}.full-map-link{display:block;margin-top:16px;padding-top:12px;border-top:1px solid rgba(255,255,255,.09)}.mobile-panel,.mobile-backdrop{display:none}.breadcrumbs{padding:32px 0 12px;display:flex;gap:9px;flex-wrap:wrap;font-size:13px;color:#9098A3}.breadcrumbs a{color:#9098A3;text-decoration:none}.page-heading{max-width:850px;margin:10px 0 22px}.eyebrow{font-size:13px;letter-spacing:.08em;color:#6EA8FF;font-weight:700}.deck{font-size:17px;color:#C7CDD5;line-height:1.8}.section-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 17px;padding:13px 0;margin-bottom:32px;border-block:1px solid rgba(255,255,255,.09);font-size:14px}.section-nav span{font-weight:bold;color:#9098A3;margin-right:5px}.section-nav a{color:#C7CDD5;text-decoration:none}.container>section,.container>.prose-section,.container>.article-with-notes,.container>.timeline,.container>.table-scroll,.container>.paired-media,.container>.catalog-grid,.container>.bookmark-list,.container>.faq-list,.container>.gallery-study,.container>.intent-grid,.container>.path-essay,.container>.mechanism-flow,.container>.mobile-instruction,.container>.jump-index,.container>.category-section,.container>article{margin-bottom:42px}.prose-section{max-width:810px;margin-top:26px;margin-bottom:34px}.prose-section p,.longread p{max-width:810px}.related{padding:22px 24px;margin:40px 0 60px;background:#12161C;border-radius:14px;border:1px solid rgba(255,255,255,.09)}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.related-grid>div{min-width:0;padding:13px;background:#171C23;border-radius:8px}.reading-list{max-width:820px}.table-scroll{overflow-x:auto;max-width:100%;margin:22px 0 34px}table{border-collapse:collapse;width:100%;min-width:580px;background:#0D1015}th,td{border:1px solid rgba(255,255,255,.09);padding:13px 16px;text-align:left;vertical-align:top}th{background:#171C23;color:#F5F7FA;font-size:14px}caption{text-align:left;color:#9098A3;font-size:13px;padding-bottom:8px}.media-natural{display:grid;place-items:center;min-width:0;padding:8px;border-radius:12px;background:#0D1015}.media-natural>img{display:block;width:auto;height:auto;max-width:100%;max-height:var(--image-max-height,280px);object-fit:contain;object-position:center}.media-frame{box-sizing:border-box;width:100%;min-width:0;aspect-ratio:var(--media-ratio,16 / 9);padding:8px;border-radius:12px;background:#0D1015}.media-frame>img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.image-fallback{background:#12161C;color:#9098A3;min-height:110px;display:grid;place-items:center;text-align:center;padding:18px;border:1px dashed rgba(255,255,255,.16);border-radius:12px;font-size:13px}.home-mast{display:grid;grid-template-columns:minmax(0,2fr) minmax(200px,.75fr);align-items:end;gap:32px;padding-top:58px}.home-mast h1{font-size:36px}.home-intro{max-width:780px}.cue-box{display:grid;gap:10px}.cue-box span{display:block;border-left:3px solid #5C7CFA;padding:9px 14px;background:#12161C;color:#F5F7FA}.home-poster{margin:28px auto 40px!important;max-width:1100px}.home-poster .media-natural{padding:0;background:none}.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.entry{border:1px solid rgba(255,255,255,.09);background:#12161C;padding:20px;border-radius:12px;min-width:0}.entry p{font-size:15px}.entry a{font-size:14px}.home-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px}.feature-story,.essay-hero{background:#12161C;padding:26px;border-radius:14px;border-left:3px solid #5C7CFA}.stacked-list{display:grid;gap:13px}.stacked-list>.entry{padding:16px}.stacked-list .entry h3{margin-bottom:5px}.stacked-list .entry p{margin-bottom:4px}.image-triptych{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.image-triptych figure,.catalog-item{margin:0;background:#12161C;border:1px solid rgba(255,255,255,.09);padding:12px;border-radius:12px;min-width:0}.image-triptych figcaption,.catalog-item figcaption{font-size:14px;color:#9098A3;margin-top:12px}.topic-ribbon{padding:22px 28px;background:#12161C;border-left:4px solid #7775FF;border-radius:8px}.inline-links{display:flex;flex-wrap:wrap;gap:8px 18px}.pathways{max-width:1000px}.service-line{border-top:1px solid rgba(255,255,255,.09);padding-top:25px}.article-with-notes{display:grid;grid-template-columns:minmax(0,800px) minmax(160px,240px);gap:30px;align-items:start}.note-rail{position:sticky;top:112px;background:#12161C;padding:20px;border-radius:10px;font-size:14px}.note-rail p{margin-top:14px}.timeline{max-width:850px;position:relative}.timeline-step{display:grid;grid-template-columns:54px minmax(0,1fr);gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09)}.timeline-step>span{display:grid;place-items:center;background:#171C23;color:#8ED8FF;border:1px solid rgba(255,255,255,.16);border-radius:50%;width:46px;height:46px;font-size:18px;font-weight:700}.timeline-step h3{margin-bottom:5px}.observation-rows{display:grid;gap:12px;max-width:900px}.observation-rows article{display:grid;grid-template-columns:210px minmax(0,1fr);gap:18px;padding:15px;border-bottom:1px solid rgba(255,255,255,.09)}.paired-media{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;max-width:1040px}.paired-media>div{min-width:0}.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.catalog-item figcaption{display:flex;flex-direction:column;gap:2px}.catalog-item strong{color:#F5F7FA}.gallery-study{max-width:880px}.gallery-study>.media-natural{margin:14px 0 18px}.longread{max-width:800px}.narrative{font-size:17px}.bookmark-list{max-width:900px}.bookmark-list article{display:grid;grid-template-columns:50px minmax(0,1fr);padding:20px 0;gap:18px;border-bottom:1px solid rgba(255,255,255,.09)}.index-number{color:#8ED8FF;font-size:22px}.bookmark-list p{margin:0 0 6px}.path-essay{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.path-essay section{background:#12161C;padding:22px;border-radius:12px}.path-essay h2{font-size:20px}.mechanism-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.mechanism-flow>div{padding:20px;background:#171C23;border-top:3px solid #5C7CFA}.mechanism-flow b{color:#F5F7FA}.intent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.intent-grid article{padding:22px;border:1px solid rgba(255,255,255,.09);border-radius:12px;background:#12161C}.category-section{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.09)}.category-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.category-links a{display:block;background:#12161C;padding:9px 13px;border-radius:8px;text-decoration:none;font-size:14px}.mobile-instruction{max-width:890px;display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1fr);gap:30px;align-items:center}.faq-list{max-width:900px}.faq-list section{border-bottom:1px solid rgba(255,255,255,.09);padding:20px 0}.faq-list h2{font-size:19px}.faq-list p{margin:0}.jump-index{display:flex;flex-wrap:wrap;gap:12px}.jump-index a{background:#171C23;border-radius:8px;padding:8px 14px;text-decoration:none}.glossary{max-width:900px;margin-bottom:36px}.term{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.09)}.term dl{display:grid;grid-template-columns:100px minmax(0,1fr);gap:7px 16px;margin:0}.term dt{color:#8ED8FF;font-weight:700}.term dd{margin:0}.site-footer{margin-top:50px;background:#050608;border-top:1px solid rgba(255,255,255,.09)}.footer-inner{max-width:1200px;margin:auto;padding:35px 24px}.footer-brand a{color:#F5F7FA;text-decoration:none;font-weight:800;font-size:23px}.footer-brand small{display:block;color:#9098A3}.footer-brand p{margin-top:8px}.footer-links{display:flex;flex-wrap:wrap;gap:17px;margin:20px 0}.footer-note{font-size:13px;color:#9098A3;max-width:950px}.back-to-top{position:fixed;right:22px;bottom:26px;background:#5C7CFA;color:#080A0D;border:0;border-radius:50%;width:44px;height:44px;font-size:23px;z-index:55}@media(max-width:1120px){.desktop-nav{gap:12px}.desktop-nav>a,.menu-toggle{font-size:13px}.header-inner{gap:15px}.brand img{max-width:110px}}@media(max-width:980px){.desktop-nav{display:none}.mobile-toggle{display:block}.brand img{max-width:96px}.header-inner{justify-content:space-between}.mobile-backdrop:not([hidden]){display:block;position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:101}.mobile-panel:not([hidden]){display:flex;flex-direction:column;position:fixed;z-index:102;bottom:0;left:0;width:100%;max-height:85vh;max-height:85dvh;background:#12161C;border-radius:18px 18px 0 0;padding:18px 20px 0;box-shadow:0 -15px 35px rgba(0,0,0,.5)}.mobile-panel-scroll{overflow-y:auto;overscroll-behavior:contain;padding:12px 0 calc(22px + env(safe-area-inset-bottom))}.mobile-panel section{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.09)}.mobile-panel section>a{display:block;padding:4px 0;font-size:15px}.mobile-panel h2{font-size:15px}.direct-map{display:none}}@media(max-width:768px){.container{padding:0 20px}.home-mast{grid-template-columns:1fr;gap:15px;padding-top:36px}.cue-box{display:flex;flex-wrap:wrap;gap:10px}.home-split,.article-with-notes,.paired-media,.mobile-instruction{grid-template-columns:1fr}.note-rail{position:static}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.path-essay{grid-template-columns:1fr}.category-links{grid-template-columns:repeat(3,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.image-triptych{gap:10px}}@media(max-width:520px){body{font-size:15px;line-height:1.78}h1{font-size:26px}h2{font-size:21px}h3{font-size:17px}.container{padding:0 16px}.header-inner{padding:0 16px;height:66px;gap:8px}.header-actions{gap:7px}.brand{max-width:96px}.brand img{max-width:96px;max-height:32px}.entry-button{min-height:44px;padding:6px 10px;font-size:13px}.mobile-toggle{padding:6px 11px;min-width:44px;min-height:44px;font-size:13px}.home-mast h1{font-size:28px}.question-grid,.intent-grid,.image-triptych{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.catalog-item{padding:8px}.related-grid,.category-links{grid-template-columns:1fr 1fr}.related{padding:16px}.observation-rows article{grid-template-columns:1fr;gap:0}.mechanism-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.breadcrumbs{padding-top:23px}.deck{font-size:15px}.section-nav{gap:7px 12px}.table-scroll{margin-right:0}.home-mast,.container>section{margin-bottom:28px}.media-natural>img{max-height:min(var(--image-max-height,280px),280px)}.home-poster .media-natural>img{max-height:170px}.catalog-item .media-natural>img{max-height:155px}.mobile-instruction .media-natural>img{max-height:280px}.image-triptych .media-natural>img{max-height:205px}}@media(max-width:355px){.header-inner{gap:4px}.brand img{max-width:82px}.brand-fallback{font-size:17px}.entry-button{padding:6px 8px}.mobile-toggle{padding:5px 8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}