:root{--background:#F6F7FB;--paper:#fff;--surface:#fff;--surface-soft:#F0F2F8;--electric-purple:#5637A7;--purple-deep:#3D287C;--purple-soft:#EEEAF9;--lime:#D7EC74;--lime-soft:#F3F8DB;--slate:#1E293B;--slate-deep:#162131;--sky:#4385BA;--sky-soft:#E8F2FA;--mint:#438E7D;--mint-soft:#E5F3ED;--coral:#BE6654;--coral-soft:#FAECE7;--title:#202B3D;--body:#3D4A5E;--muted:#627085;--border:#DFE4ED;--divider:#EBEFF5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);font:16px/1.74 system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--body)}a{color:inherit;text-decoration:none}a:hover{color:var(--electric-purple)}button,input,select{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--title);line-height:1.35}h1{font-size:clamp(29px,3.2vw,44px);letter-spacing:-.04em}h2{font-size:clamp(23px,2.4vw,28px);letter-spacing:-.025em}h3{font-size:20px}p{margin-bottom:1em}img{display:block;max-width:100%}hr{border:0;border-top:1px solid var(--divider);margin:22px 0}.wrap{width:min(1320px,calc(100% - 64px));margin:auto}.section{margin-top:78px;margin-bottom:78px}.skip{position:absolute;left:-9999px;z-index:110}.skip:focus{left:12px;top:12px;background:#fff;padding:8px}.kicker,.eyebrow{display:block;color:var(--electric-purple);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin-bottom:10px}.pill{display:inline-flex;align-items:center;font-size:12px;font-weight:800;line-height:1.5;padding:6px 11px;border-radius:25px;background:var(--purple-soft);color:var(--purple-deep)}.pill.lime{background:var(--lime);color:#28351B}.pill.sky{background:var(--sky-soft);color:#275576}.pill.mint{background:var(--mint-soft);color:#2A6657}.pill.coral{background:var(--coral-soft);color:#954D3D}.btn{display:inline-flex;background:var(--electric-purple);color:#fff;padding:12px 22px;border:1px solid transparent;border-radius:11px;font-weight:700;align-items:center;justify-content:center;gap:12px}.btn:hover{background:var(--purple-deep);color:#fff}.btn.small{font-size:14px;padding:9px 17px}.more,.text-link{font-weight:750;color:var(--electric-purple)}.heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:27px}.heading h2{margin:0}.site-header{position:sticky;top:0;z-index:25;padding:14px 0 8px;background:rgba(246,247,251,.97);border-bottom:1px solid rgba(223,228,237,.65)}.header-inner{height:70px;border:1px solid var(--border);border-radius:17px;background:white;box-shadow:0 7px 24px rgba(36,35,83,.055);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:16px}.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:900;color:var(--title);white-space:nowrap}.logo{width:105px;height:27px;object-fit:contain}.brand-mark{font-size:25px;letter-spacing:-.09em;color:var(--electric-purple);line-height:1}.brand-mark span{color:var(--lime);margin-left:3px}.nav-desktop{display:flex;align-items:center;gap:clamp(12px,2vw,31px);font-size:14px;font-weight:750}.nav-desktop a[aria-current=page]{color:var(--electric-purple)}.header-actions{display:flex;align-items:center;gap:10px}.search-shortcut{font-size:30px;line-height:1;color:var(--electric-purple)}.menu-trigger{display:none;border:0;background:var(--purple-soft);border-radius:9px;color:var(--electric-purple);padding:6px 11px;font-size:23px}.band-scroll{overflow-x:auto;scrollbar-width:thin;overscroll-behavior-x:contain}.bands{display:flex;gap:8px;width:max-content;min-width:100%;padding:15px 0 5px}.band{padding:10px 14px;background:#fff;border:1px solid var(--border);border-radius:11px;white-space:nowrap;font-size:13px;font-weight:750}.band-no{font-size:10px;color:var(--muted);margin-right:8px}.hero{display:grid;grid-template-columns:1.65fr 1fr;gap:17px;margin-top:35px}.hero-main{min-height:440px;background:var(--slate-deep);border-radius:23px;overflow:hidden;position:relative;color:#fff;padding:34px 37px;display:flex;flex-direction:column;justify-content:end}.hero-main .eyebrow{position:absolute;top:28px;color:var(--lime)}.hero-image{position:absolute;inset:0;z-index:0;opacity:.24}.hero-image img{width:100%;height:100%;object-fit:cover}.hero-image .thumb-fallback{height:100%;background:radial-gradient(ellipse at 75% 35%,#5637A7 0%,transparent 50%),linear-gradient(130deg,#1E293B,#38417A)}.hero-image .thumb-fallback>*{display:none}.hero-copy{position:relative;z-index:1;max-width:630px}.hero-copy h1{color:#fff;margin:15px 0;font-size:clamp(33px,3.5vw,48px)}.hero-copy p{color:#E2E6EE;max-width:520px}.hero-copy .btn{background:var(--lime);color:#26331C}.hero-side{display:grid;gap:17px;grid-template-rows:1fr 1fr}.hero-panel{padding:28px;border-radius:20px;display:flex;flex-direction:column;align-items:start;justify-content:center}.hero-panel h2{font-size:26px;margin:5px 0 10px}.hero-panel p{margin-bottom:8px}.hero-panel a{font-weight:850}.hero-panel.violet{background:var(--purple-soft);position:relative;overflow:hidden}.hero-panel.violet .number-xl{font-size:120px;font-weight:900;opacity:.08;position:absolute;right:10px;top:-45px}.hero-panel.pale{background:var(--lime-soft)}.channel-strip{display:grid;grid-template-columns:repeat(8,1fr);gap:9px}.channel-tile{min-height:150px;background:white;border:1px solid var(--border);border-top:4px solid var(--tile);border-radius:13px;padding:16px 11px;display:flex;flex-direction:column;gap:8px}.channel-tile small{font-weight:900;color:var(--tile)}.channel-tile span{font-size:26px}.channel-tile strong{font-size:14px;line-height:1.4}.observation-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}.lead-observation{background:var(--electric-purple);color:white;padding:35px;border-radius:19px;min-height:420px;position:relative;display:flex;flex-direction:column;align-items:start;justify-content:center}.lead-observation h3{font-size:clamp(26px,2.8vw,35px);margin:22px 0;color:white}.lead-observation h3 a:hover{color:var(--lime)}.lead-observation p{color:#EEE9FF}.big-index{position:absolute;bottom:18px;right:25px;font-size:12px;letter-spacing:.1em}.observation-list{border:1px solid var(--border);border-radius:18px;background:white;padding:3px 22px}.observed-row{display:flex;gap:14px;padding:17px 0;border-bottom:1px solid var(--divider)}.observed-row:last-child{border-bottom:0}.observed-row>span{font-weight:900;color:var(--electric-purple);font-size:12px}.observed-row div{flex:1}.observed-row strong{display:block;font-size:17px;color:var(--title)}.observed-row p{font-size:13px;margin:5px 0 0;color:var(--muted)}.observed-row>b{font-size:20px}.path-panel{background:#E9EDF7;border-radius:23px;padding:35px}.path-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:28px 0}.path-flow div{position:relative;background:#fff;border-radius:13px;padding:22px}.path-flow div:not(:last-child):after{content:'→';position:absolute;right:-15px;top:35%;color:var(--electric-purple);z-index:2;font-size:23px}.path-flow b{color:var(--title)}.path-flow p{font-size:13px;margin:5px 0 0}.feature-large{display:grid;grid-template-columns:1.1fr .9fr;background:white;border:1px solid var(--border);border-radius:20px;overflow:hidden}.thumb{min-width:0;background:var(--surface-soft);overflow:hidden}.thumb img{width:100%;height:100%;object-fit:contain}.thumb-fallback{height:100%;min-height:175px;display:flex;align-items:center;justify-content:center;gap:12px;flex-direction:column;color:var(--purple-deep);background:linear-gradient(135deg,#EBE7F8,#E0E7F5)}.thumb-fallback span{font-size:50px;line-height:1}.thumb-fallback small{font-size:13px;font-weight:800;letter-spacing:.04em}.feature-large>.thumb{min-height:265px}.feature-large>div:last-child{padding:32px;display:flex;align-items:start;flex-direction:column;justify-content:center}.feature-large h3{font-size:28px;margin-top:15px}.feature-large a,.city-layout a{color:var(--electric-purple);font-weight:850}.small-feature-pair{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}.small-feature-pair a{background:white;border:1px solid var(--border);padding:20px 24px;border-radius:14px;display:flex;flex-direction:column;gap:5px}.small-feature-pair span,.small-feature-pair small{color:var(--muted);font-size:11px}.small-feature-pair strong{font-size:18px;color:var(--title)}.stage-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.stage-layout>.thumb{border-radius:20px;min-height:350px;background:#322D4A}.stage-layout .thumb-fallback{background:radial-gradient(circle at 50% 0%,#815978,#302841);color:#fff}.stage-side{background:white;padding:12px 27px;border-radius:20px}.stage-side a{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--divider)}.stage-side a:last-child{border:0}.stage-side a>span{color:var(--coral)}.stage-side strong{font-size:18px}.stage-side p{font-size:13px;margin:6px 0 0}.meme-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:17px}.meme-cloud{border-radius:22px;background:#ECE6F6;display:flex;align-content:center;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;padding:40px;min-height:250px}.meme-cloud span{background:white;color:var(--purple-deep);padding:10px 19px;border-radius:26px;font-weight:850;transform:rotate(-2deg)}.meme-cloud span:nth-child(2n){background:var(--lime);transform:rotate(4deg);color:#29341c}.meme-copy{background:#fff;border-radius:22px;padding:38px;display:flex;flex-direction:column;justify-content:center}.meme-copy h3{font-size:26px}.meme-copy a{color:var(--electric-purple);font-weight:800}.people-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:3px solid #CCBDA5;padding-top:25px}.people-rail>a{background:#fff;border:1px solid var(--border);padding:26px;border-radius:15px;position:relative}.people-rail .dot{position:absolute;top:-36px;left:30px;width:16px;height:16px;border-radius:50%;background:var(--coral);border:3px solid var(--background)}.people-rail strong{font-size:18px}.people-rail p{font-size:14px;margin:11px 0 0}.verification{padding:35px;border-radius:23px;background:#EAF3EE}.verify-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:21px}.verify-columns>div{background:#fff;padding:28px;border-radius:15px}.verify-columns h3{margin-top:12px}.city-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}.city-layout .thumb{border-radius:20px;min-height:270px}.city-layout>div:last-child{background:#fff;border-radius:20px;padding:30px;display:flex;flex-direction:column;justify-content:center}.city-layout h3{font-size:25px}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-card{background:#fff;border:1px solid var(--border);border-radius:17px;overflow:hidden;padding-bottom:22px}.feature-card .thumb{height:155px}.feature-card>span,.feature-card>strong,.feature-card>p{display:block;margin-left:20px;margin-right:20px}.feature-card>span{font-size:11px;font-weight:800;color:var(--electric-purple);margin-top:17px}.feature-card strong{font-size:20px;margin-top:5px}.feature-card p{font-size:14px;margin-top:8px}.exit-panel{background:var(--slate-deep);color:#fff;border-radius:24px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:30px}.exit-panel h2{color:#fff}.exit-panel p{color:#E6E9F1}.exit-panel .kicker{color:var(--lime)}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.quick-grid a{border:1px solid #677080;padding:15px;border-radius:11px;color:white;font-weight:800}.footer{background:var(--slate-deep);color:#D6DCE7;padding:52px 0 25px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}.footer-grid strong{display:block;color:#fff;margin-bottom:14px}.footer-grid p{max-width:460px;font-size:14px}.footer-grid a,.footer-grid span{display:block;font-size:14px;padding:3px 0}.footer-bottom{border-top:1px solid #394456;padding-top:16px;margin-top:25px;font-size:12px}.bottom-nav,.mobile-menu,.menu-mask{display:none}.page-intro{max-width:800px;margin-bottom:34px}.page-intro h1{margin-bottom:12px}.page-intro p{font-size:17px;color:var(--muted)}.signal-intro{max-width:900px}.signal-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}.filterbar{display:flex;align-items:center;gap:12px;background:#fff;padding:14px;border:1px solid var(--border);border-radius:14px;flex-wrap:wrap}.filterbar label{font-weight:800;font-size:14px}.filterbar select,.search-form select,.search-form input{background:#fff;border:1px solid var(--border);padding:10px 13px;border-radius:10px;min-width:180px;color:var(--title)}.result-count{font-size:13px;color:var(--muted);margin:15px 0}.timeline-list{border-left:2px solid #CCD4E5;margin-left:13px}.timeline-entry{position:relative;padding:0 0 35px 28px}.timeline-marker{width:16px;height:16px;position:absolute;left:-9px;top:24px;border-radius:50%;background:var(--electric-purple);border:3px solid var(--background)}.timeline-content{background:white;padding:23px 25px;border:1px solid var(--border);border-radius:15px}.timeline-content h2{font-size:21px}.timeline-content p{font-size:15px}.timeline-content .note{background:var(--surface-soft);border-radius:8px;padding:8px 11px;font-size:12px;margin:12px 0}.signal-aside{position:sticky;top:135px}.signal-aside section,.topic-aside section{background:white;border:1px solid var(--border);border-radius:16px;padding:23px;margin-bottom:15px}.signal-aside a,.topic-aside a{display:block;padding:9px 0;border-bottom:1px solid var(--divider);font-size:14px;font-weight:700}.signal-aside a:last-child,.topic-aside a:last-child{border:0}.pagination{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.pagination a{padding:7px 15px;border:1px solid var(--border);background:#fff;border-radius:9px}.pagination a[aria-current=page]{background:var(--electric-purple);color:#fff}.channel-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.channel-matrix-card{background:#fff;border:1px solid var(--border);border-bottom:4px solid var(--tile);border-radius:18px;padding:23px;min-height:230px;display:flex;flex-direction:column}.channel-matrix-card.active{background:var(--purple-soft);outline:2px solid var(--electric-purple)}.channel-matrix-card>span,.channel-matrix-card>small{font-size:11px;font-weight:800;color:var(--tile)}.channel-matrix-card b{font-size:29px;margin-top:12px}.channel-matrix-card h2{font-size:19px;margin:7px 0}.channel-matrix-card p{font-size:13px;flex:1}.topic-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.topic-card{padding:22px;background:white;border:1px solid var(--border);border-radius:15px;display:flex;flex-direction:column}.topic-card-title{font-weight:850;color:var(--title);font-size:19px;line-height:1.45}.topic-card p{font-size:14px;flex:1;margin:12px 0}.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px}.breadcrumbs{display:flex;gap:10px;font-size:13px;flex-wrap:wrap;color:var(--muted);margin-bottom:25px}.topic-layout{display:grid;grid-template-columns:minmax(0,810px) minmax(230px,1fr);gap:30px;align-items:start}.topic-article{background:#fff;border-radius:19px;border:1px solid var(--border);overflow:hidden}.topic-header{padding:38px 42px 25px}.topic-header h1{font-size:clamp(29px,3vw,39px);margin:17px 0}.dek{font-size:18px;color:var(--muted)}.topic-badges{display:flex;gap:7px;flex-wrap:wrap}.topic-badges span{background:var(--surface-soft);padding:4px 10px;border-radius:25px;font-size:12px}.topic-banner{height:245px;margin:0 42px;border-radius:15px}.article-prose{padding:27px 42px;font-size:17px;line-height:1.86}.article-prose p{margin:0 0 24px}.topic-context,.topic-questions{margin:0 42px 30px;border-top:1px solid var(--divider);padding-top:26px}.topic-context{background:#F5F8F9;border:0;padding:25px;border-radius:14px}.topic-context h2,.topic-questions h2{font-size:22px}.topic-questions li{margin:10px 0}.topic-questions p{font-size:12px;color:var(--muted)}.topic-aside{position:sticky;top:135px}.map-intro{max-width:900px}.atlas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.atlas-card{background:#fff;border:1px solid var(--border);border-radius:19px;padding:25px;min-height:300px;display:flex;flex-direction:column}.atlas-card:nth-child(3n+2){background:var(--purple-soft)}.atlas-card:nth-child(4n+3){background:var(--lime-soft)}.atlas-node{font-size:38px;color:var(--electric-purple);font-weight:900;display:flex;justify-content:space-between}.atlas-node span{font-size:23px}.atlas-card .kicker{margin-top:10px}.atlas-card h2{font-size:21px}.atlas-card p{font-size:14px;flex:1}.atlas-card small{font-weight:750;color:var(--electric-purple)}.atlas-detail{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;margin-bottom:25px}.atlas-editorial{background:#fff;padding:30px;border-radius:18px;border:1px solid var(--border)}.atlas-editorial p{line-height:1.9}.atlas-connections h2{margin-bottom:18px}.connection-list{border-left:2px solid var(--electric-purple);margin-left:17px}.connection{position:relative;background:#fff;padding:20px 18px;display:flex;gap:14px;align-items:start;margin:0 0 15px 24px;border:1px solid var(--border);border-radius:13px}.connector{position:absolute;left:-52px;top:19px;border:3px solid var(--background);width:34px;height:34px;border-radius:50%;background:var(--electric-purple);color:#fff;font-size:12px;display:grid;place-items:center}.connection>div:nth-child(2){flex:1}.connection h3{font-size:18px;margin:5px 0}.connection p{font-size:13px}.connection span{font-size:12px;color:var(--electric-purple)}.search-form{background:#fff;border:1px solid var(--border);border-radius:19px;padding:24px}.search-form label{font-size:14px;font-weight:800;display:block;margin-bottom:10px}.search-controls{display:flex;gap:10px}.search-controls input{flex:1;min-width:0}.search-hints{margin-top:45px}.search-hints>div{display:flex;gap:10px;flex-wrap:wrap}.search-hints a{background:var(--purple-soft);color:var(--purple-deep);font-weight:750;padding:11px 18px;border-radius:25px}.search-features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.search-features a{background:#fff;border-radius:13px;padding:20px}.search-features p{font-size:14px;margin:8px 0 0}.empty{border:1px dashed #B6BED1;border-radius:17px;padding:55px;text-align:center;background:#fff}.about-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px}.about-nav{display:flex;flex-direction:column;gap:5px;position:sticky;top:135px;align-self:start}.about-nav a{padding:11px 17px;background:#fff;border-radius:9px;font-size:14px;font-weight:750}.about-content{background:white;border-radius:20px;padding:36px}.about-content section{padding:20px 0 37px;border-bottom:1px solid var(--divider);scroll-margin-top:155px}.about-content section:last-child{border:0}.about-channels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.about-channels a{padding:17px;background:var(--surface-soft);border-radius:12px}.about-channels p{font-size:13px;margin:6px 0}.about-content details{border-bottom:1px solid var(--divider);padding:15px 0}.about-content summary{cursor:pointer;font-weight:800;color:var(--title)}.about-content details p{margin:10px 0 0}.menu-open{overflow:hidden}@media(max-width:1150px){.channel-strip{grid-template-columns:repeat(4,1fr)}.nav-desktop{gap:13px}.atlas-grid{grid-template-columns:repeat(2,1fr)}.channel-matrix{grid-template-columns:repeat(2,1fr)}.topic-index{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.wrap{width:calc(100% - 40px)}.section{margin-top:54px;margin-bottom:54px}.nav-desktop{display:none}.menu-trigger{display:block}.header-inner{height:64px}.mobile-menu:not([hidden]){display:flex;position:fixed;z-index:55;right:0;top:0;bottom:0;width:min(330px,85%);background:#fff;flex-direction:column;padding:26px;gap:8px;box-shadow:-9px 0 30px #18233733}.mobile-menu a{padding:12px;border-bottom:1px solid var(--divider);font-weight:800}.menu-close{align-self:end;background:none;border:0;font-size:32px}.menu-mask:not([hidden]){display:block;position:fixed;inset:0;background:#0C142A99;z-index:50}.hero{grid-template-columns:1fr}.hero-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}.hero-panel{min-height:205px}.signal-layout,.topic-layout,.about-layout{grid-template-columns:1fr}.signal-aside,.topic-aside,.about-nav{position:static}.signal-aside{display:grid;grid-template-columns:1fr 1fr;gap:14px}.topic-aside{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.topic-aside section{margin:0}.topic-aside section:last-child{grid-column:span 2}.atlas-detail{grid-template-columns:1fr}.about-nav{flex-direction:row;overflow-x:auto}.about-nav a{white-space:nowrap}}@media(max-width:620px){body{font-size:15px}.wrap{width:calc(100% - 34px)}.site-header{padding:7px 0 6px}.header-inner{height:61px;padding:0 14px}.brand{font-size:13px;gap:7px}.brand-mark{font-size:22px}.logo{width:70px}.band{font-size:12px;padding:8px 10px}.bands{padding:10px 0 0}.section{margin-top:43px;margin-bottom:43px}.heading{align-items:start}.heading .more{font-size:12px}.hero{margin-top:20px}.hero-main{padding:28px;min-height:365px}.hero-copy h1{font-size:31px}.hero-side{grid-template-columns:1fr}.hero-panel{min-height:160px}.hero-panel h2{font-size:22px}.channel-strip{grid-template-columns:repeat(2,1fr)}.channel-tile{min-height:130px}.observation-grid,.feature-large,.stage-layout,.meme-layout,.city-layout,.exit-panel,.verify-columns,.footer-grid{grid-template-columns:1fr}.lead-observation{min-height:290px}.observed-row{padding:15px 0}.path-panel{padding:20px}.path-flow{grid-template-columns:repeat(2,1fr);gap:10px}.path-flow div{padding:16px}.path-flow div:after{display:none}.small-feature-pair{grid-template-columns:1fr}.feature-cards,.people-rail{grid-template-columns:1fr}.people-rail{gap:24px}.feature-card .thumb{height:150px}.exit-panel{padding:25px}.quick-grid{gap:8px}.footer{padding-bottom:95px}.footer-grid{gap:15px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:23;background:#fff;border-top:1px solid var(--border);justify-content:space-around;padding:5px 0 max(6px,env(safe-area-inset-bottom))}.bottom-nav a{display:flex;flex-direction:column;align-items:center;font-size:23px;color:var(--electric-purple);line-height:1.2}.bottom-nav small{font-size:11px;color:var(--title)}.page-intro p{font-size:15px}.signal-aside,.topic-aside{grid-template-columns:1fr}.topic-aside section:last-child{grid-column:auto}.timeline-content{padding:18px}.channel-matrix,.topic-index,.atlas-grid,.search-features{grid-template-columns:1fr}.channel-matrix-card{min-height:180px}.channel-matrix-card p{margin-bottom:8px}.topic-header{padding:26px 21px}.topic-header h1{font-size:29px}.topic-banner{margin:0 21px;height:175px}.article-prose{padding:24px 22px;font-size:16px}.topic-context,.topic-questions{margin:0 21px 25px}.search-controls{flex-direction:column}.search-controls input,.search-controls select{width:100%}.about-content{padding:21px}.about-channels{grid-template-columns:1fr}.empty{padding:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}:focus-visible{outline:3px solid #6951B5;outline-offset:3px}