@charset "UTF-8";
:root {
 --brand:#D9364F; --brand-deep:#B72C43; --blue-gray:#54718C; --ink:#20252D; --body:#252B33;
 --muted:#66717D; --paper:#FAFAF8; --fog:#F0F2F4; --line:#E0E3E6; --white:#FFFFFF;
 --radius:12px; --radius-small:7px; --content-width:1180px; --page-gutter:clamp(20px,4.2vw,64px);
 --shadow-soft:0 14px 40px rgba(32,37,45,.055);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--paper);color:var(--body);font-family:Inter,"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:3px solid rgba(217,54,79,.45);outline-offset:4px}
::selection{background:rgba(217,54,79,.16);color:var(--ink)}
.site-shell{width:100%;overflow:clip}
.skip-link{position:absolute;z-index:100;top:10px;left:10px;padding:10px 14px;transform:translateY(-160%);color:var(--white);background:var(--ink);border-radius:6px}
.skip-link:focus{transform:translateY(0)}
.site-header{position:relative;z-index:10;background:rgba(250,250,248,.96);border-bottom:1px solid rgba(32,37,45,.08)}
.header-inner{width:min(100% - (var(--page-gutter)*2),var(--content-width));min-height:86px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand-lockup{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-lockup img{width:42px;height:42px;object-fit:contain;border-radius:9px}
.brand-wordmark{color:var(--ink);font-size:27px;font-weight:900;letter-spacing:-1.8px;line-height:1}
.brand-caption{margin-left:5px;padding-left:15px;color:var(--muted);border-left:1px solid var(--line);font-size:12px;letter-spacing:.04em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:clamp(16px,2.5vw,34px)}
.nav-link{position:relative;padding:10px 0;color:#4E5863;font-size:14px;font-weight:650;transition:color .18s ease}
.nav-link::after{position:absolute;right:0;bottom:3px;left:0;height:2px;content:"";background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease}
.nav-link:hover{color:var(--brand-deep)}.nav-link:hover::after{transform:scaleX(1)}
.nav-toggle{display:none;align-items:center;gap:9px;padding:10px 12px;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:7px;cursor:pointer;font-size:13px;font-weight:700}
.nav-toggle-lines,.nav-toggle-lines::before,.nav-toggle-lines::after{display:block;width:17px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle-lines{position:relative}.nav-toggle-lines::before,.nav-toggle-lines::after{position:absolute;left:0;content:""}
.nav-toggle-lines::before{top:-5px}.nav-toggle-lines::after{top:5px}
.js-enabled .nav-toggle{display:inline-flex}[hidden]{display:none!important}
.hero-section{width:min(100% - (var(--page-gutter)*2),var(--content-width));margin:0 auto;padding:clamp(54px,7vw,91px) 0 clamp(58px,7vw,88px);display:grid;grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);align-items:center;gap:clamp(40px,7vw,100px)}
.hero-copy{min-width:0}
.eyebrow,.section-kicker{display:flex;align-items:center;gap:9px;margin:0 0 16px;color:var(--brand-deep);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow-dot{width:8px;height:8px;background:var(--brand);border-radius:50%;box-shadow:0 0 0 4px rgba(217,54,79,.1)}
.hero-copy h1{max-width:660px;margin:0;color:var(--ink);font-size:clamp(38px,5vw,62px);font-weight:850;letter-spacing:-.055em;line-height:1.2}
.hero-lead{max-width:590px;margin:24px 0 0;color:#59636E;font-size:clamp(16px,1.45vw,18px);line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{min-height:47px;display:inline-flex;align-items:center;justify-content:center;gap:17px;padding:11px 18px;border:1px solid transparent;border-radius:7px;font-size:13px;font-weight:800;letter-spacing:.01em;transition:transform .18s ease,background .18s ease,border-color .18s ease}
.button:hover{transform:translateY(-2px)}.button-primary{color:var(--white);background:var(--brand)}.button-primary:hover{background:var(--brand-deep)}
.button-secondary{color:var(--ink);background:transparent;border-color:#D8DCE0}.button-secondary:hover{background:var(--white);border-color:#B9C0C7}
.button-dark{color:var(--white);background:var(--ink)}.button-dark:hover{background:#343B45}
.hero-note{max-width:570px;display:flex;align-items:flex-start;gap:11px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}
.note-mark{width:20px;height:20px;display:inline-grid;place-items:center;flex:0 0 auto;color:var(--blue-gray);border:1px solid #B6C5D0;border-radius:50%;font-size:11px;font-weight:800}
.hero-note p{margin:-3px 0 0;color:var(--muted);font-size:12px;line-height:1.7}
.hero-aside{position:relative;min-width:0;padding:25px 28px 21px;overflow:hidden;color:var(--white);background:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
.hero-aside::before{position:absolute;top:-100px;right:-70px;width:270px;height:270px;content:"";border:1px solid rgba(255,255,255,.09);border-radius:50%}
.hero-aside::after{position:absolute;top:-65px;right:-35px;width:200px;height:200px;content:"";border:1px solid rgba(255,255,255,.08);border-radius:50%}
.hero-aside-top,.visual-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#B9C2CB;font-size:10px;font-weight:750;letter-spacing:.13em}
.aside-label{position:relative;z-index:1}.live-mark{display:inline-flex;align-items:center;gap:7px;color:#E2E6EA;letter-spacing:.02em}
.live-mark span{width:6px;height:6px;background:#6DC4A2;border-radius:50%}
.hero-aside-title{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:34px 0 25px}
.hero-symbol{color:var(--white);font-size:clamp(68px,8vw,100px);font-weight:900;letter-spacing:-.09em;line-height:.95}
.hero-symbol span{color:var(--brand)}.hero-aside-title p{margin:0;color:#D0D5DB;font-size:13px;line-height:2.1}
.aside-divider{height:1px;background:rgba(255,255,255,.13)}
.focus-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.focus-number{color:#E76A7B;font-size:11px;font-weight:850;letter-spacing:.05em}
.focus-row div{display:flex;flex:1;flex-direction:column;gap:2px}.focus-row strong{color:#F7F8F9;font-size:13px;font-weight:750}
.focus-row small{color:#AAB4BE;font-size:11px}.focus-arrow{color:#B4BEC8;font-size:16px}
.aside-footnote{padding-top:17px;color:#D1D6DC;font-size:11px;letter-spacing:.06em}

.content-section,.timeline-section,.all-topics{width:min(100% - (var(--page-gutter)*2),var(--content-width));margin:0 auto;padding:35px 0 78px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-heading h2,.split-copy h2,.domain-main h2,.community-copy h2{max-width:720px;margin:0;color:var(--ink);font-size:clamp(27px,3vw,38px);font-weight:820;letter-spacing:-.04em;line-height:1.35}
.section-kicker{margin-bottom:10px}.section-intro{max-width:650px;margin:12px 0 0;color:var(--muted);font-size:14px}
.section-index{padding-bottom:7px;color:#8C96A0;font-size:10px;font-weight:800;letter-spacing:.12em;white-space:nowrap}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.article-card{min-height:240px;display:flex;flex-direction:column;align-items:flex-start;padding:clamp(22px,3vw,30px);background:var(--white);border:1px solid #E7E9EB;border-radius:var(--radius-small);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.article-card:hover{border-color:#D7A1A9;box-shadow:var(--shadow-soft);transform:translateY(-2px)}
.card-topline{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}
.topic-pill{display:inline-flex;align-items:center;padding:4px 9px;color:var(--brand-deep);background:#FFF0F2;border-radius:4px;font-size:11px;font-weight:800;line-height:1.5}
.card-index{color:#B3BAC1;font-size:12px;font-weight:750;letter-spacing:.08em}
.article-card h3{margin:19px 0 10px;color:var(--ink);font-size:20px;font-weight:800;letter-spacing:-.025em;line-height:1.5}
.article-card h3 a:hover,.related-card h3 a:hover{color:var(--brand-deep)}
.article-card p{margin:0 0 19px;color:var(--muted);font-size:13px;line-height:1.9}
.text-link,.subtle-link{display:inline-flex;align-items:center;gap:10px;margin-top:auto;color:var(--brand-deep);font-size:12px;font-weight:850}
.text-link span,.subtle-link span{transition:transform .18s ease}
.text-link:hover span,.subtle-link:hover span{transform:translateX(3px)}
.split-section{width:min(100% - (var(--page-gutter)*2),var(--content-width));margin:0 auto;display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:clamp(34px,6vw,80px);align-items:center;padding:0 0 92px}
.split-visual{position:relative;min-height:440px;display:flex;flex-direction:column;justify-content:space-between;padding:25px 28px 24px;overflow:hidden;color:var(--white);background:#344454;border-radius:var(--radius);isolation:isolate}
.split-visual::before{position:absolute;z-index:-1;top:20%;right:-18%;width:82%;aspect-ratio:1;content:"";border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 30px rgba(255,255,255,.025),0 0 0 60px rgba(255,255,255,.025)}
.split-visual::after{position:absolute;z-index:-1;right:0;bottom:0;left:0;height:70%;content:"";background:linear-gradient(0deg,rgba(23,30,39,.76),transparent)}
.visual-topline{color:#D4DCE4}.visual-index{color:#F18A99}
.visual-play{position:absolute;top:42%;left:50%;width:70px;height:70px;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.48);border-radius:50%;background:rgba(255,255,255,.07);backdrop-filter:blur(5px)}
.visual-play span{width:0;height:0;margin-left:5px;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:13px solid var(--white)}
.visual-caption{position:relative;z-index:1}.visual-label{display:inline-block;margin-bottom:11px;padding:4px 9px;color:#FFE7EB;background:rgba(217,54,79,.8);border-radius:4px;font-size:10px;font-weight:800;letter-spacing:.1em}
.visual-caption strong{display:block;color:var(--white);font-size:clamp(29px,3.5vw,40px);font-weight:850;letter-spacing:-.045em;line-height:1.3}
.visual-caption p{margin:11px 0 0;color:#D1D9E0;font-size:13px}
.visual-bars{position:absolute;top:27%;right:12%;left:12%;height:54px;display:flex;align-items:center;justify-content:space-between;gap:7px;opacity:.26}
.visual-bars i{width:5px;height:25%;background:#DDE5EC;border-radius:4px}
.visual-bars i:nth-child(2n){height:60%}.visual-bars i:nth-child(3n){height:100%}.visual-bars i:nth-child(4n){height:42%}
.split-copy{padding:12px 0}.split-copy h2{margin-bottom:18px}.split-copy>p:not(.section-kicker){margin:0;color:#5F6974;font-size:14px;line-height:2}
.check-list{display:grid;gap:10px;margin:23px 0 28px;padding:0;list-style:none}
.check-list li{display:flex;align-items:flex-start;gap:10px;color:#4D5863;font-size:13px}
.check-list li span{width:19px;height:19px;display:inline-grid;place-items:center;flex:0 0 auto;margin-top:2px;color:var(--brand-deep);background:#FBE9EC;border-radius:50%;font-size:11px;font-weight:900}
.timeline-section{padding-top:8px;padding-bottom:90px}
.compact-heading{align-items:flex-end;margin-bottom:23px}
.subtle-link{padding-bottom:7px;white-space:nowrap}
.timeline-list{border-top:1px solid var(--line)}
.timeline-item{display:flex;align-items:center;gap:18px;padding:19px 5px;border-bottom:1px solid var(--line);transition:padding .18s ease,background .18s ease}
.timeline-item:hover{padding-right:13px;padding-left:13px;background:rgba(255,255,255,.75)}
.timeline-dot{width:35px;height:35px;display:grid;place-items:center;flex:0 0 auto;color:var(--blue-gray);background:#E9EEF2;border-radius:50%;font-size:11px;font-weight:850}
.timeline-main{display:flex;flex:1;flex-direction:column;gap:2px}.timeline-main strong{color:var(--ink);font-size:14px;font-weight:800}
.timeline-main small{color:var(--muted);font-size:12px}.timeline-arrow{color:var(--brand-deep);font-size:18px}

.domain-section{width:min(100% - (var(--page-gutter)*2),var(--content-width));margin:0 auto 86px;display:grid;grid-template-columns:minmax(0,1.03fr) minmax(330px,.97fr);gap:clamp(35px,6vw,84px);align-items:center;padding:clamp(28px,4vw,48px);background:var(--fog);border:1px solid #E8EAEC;border-radius:var(--radius)}
.domain-main h2{margin-bottom:18px}.domain-main>p:not(.section-kicker){margin:0 0 21px;color:#5F6974;font-size:14px;line-height:2}
.domain-side{padding:24px;background:var(--white);border:1px solid #E5E8EA;border-radius:8px}
.domain-card-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);color:var(--ink);font-size:13px;font-weight:850}
.domain-icon{width:27px;height:27px;display:grid;place-items:center;color:var(--white);background:var(--brand);border-radius:6px;font-size:15px}
.domain-checks{display:grid;gap:0;margin:0;padding:0;list-style:none}
.domain-checks li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid #EDF0F2}
.domain-checks li:last-child{padding-bottom:0;border-bottom:0}
.domain-checks li>span{padding-top:1px;color:var(--brand-deep);font-size:11px;font-weight:900}
.domain-checks li div{display:flex;flex-direction:column;gap:3px}
.domain-checks strong{color:var(--ink);font-size:13px;font-weight:800}.domain-checks small{color:var(--muted);font-size:11px;line-height:1.7}
.community-section{width:min(100% - (var(--page-gutter)*2),var(--content-width));margin:0 auto 80px;padding:31px 34px;display:grid;grid-template-columns:62px minmax(0,1fr) auto;align-items:center;gap:24px;background:#FFF2F4;border:1px solid #F3D9DE;border-radius:var(--radius)}
.community-icon{width:54px;height:54px;position:relative;display:flex;align-items:center;justify-content:center;gap:3px;background:var(--white);border:1px solid #F0D6DC;border-radius:12px}
.community-icon span{width:6px;height:19px;background:var(--brand);border-radius:4px}
.community-icon span:nth-child(2){height:29px;background:#E87989}.community-icon span:nth-child(3){height:13px;background:#B72C43}
.community-copy h2{font-size:clamp(23px,2.6vw,31px)}.community-copy>p:not(.section-kicker){max-width:660px;margin:9px 0 0;color:#626B75;font-size:13px;line-height:1.9}
.community-copy .section-kicker{margin-bottom:6px}
.all-topics{padding-top:0;padding-bottom:100px}
.topic-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.topic-link{min-width:0;display:grid;grid-template-columns:85px minmax(0,1fr) 18px;align-items:center;gap:13px;padding:16px 17px;background:var(--white);border:1px solid #E7E9EB;border-radius:7px;transition:border-color .18s ease,transform .18s ease}
.topic-link:hover{border-color:#D7A1A9;transform:translateY(-1px)}
.topic-link-label{color:var(--blue-gray);font-size:11px;font-weight:800}.topic-link strong{color:var(--ink);font-size:12px;font-weight:750;line-height:1.6}
.topic-link-arrow{color:var(--brand-deep);font-size:15px;text-align:right}
.site-footer{padding:36px var(--page-gutter) 20px;background:#20252D;color:#DDE2E7}
.footer-main{width:min(100%,var(--content-width));margin:0 auto;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:40px;padding-bottom:28px}
.footer-wordmark{color:var(--white);font-size:28px;font-weight:900;letter-spacing:-2px;line-height:1}
.footer-wordmark span{color:var(--brand)}
.footer-brand p{margin:9px 0 0;color:#AEB8C2;font-size:11px}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}.footer-links a{color:#D3D9DF;font-size:12px}.footer-links a:hover{color:#FF8797}
.back-top{display:inline-flex;align-items:center;gap:12px;padding:9px 12px;border:1px solid #49515A;border-radius:6px;color:#E3E7EB;font-size:11px;font-weight:750}
.back-top span{color:#FF8797;font-size:15px}
.footer-bottom{width:min(100%,var(--content-width));margin:0 auto;padding-top:17px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #414851;color:#9FAAB4;font-size:10px}
.article-page{width:min(100% - (var(--page-gutter)*2),var(--content-width));min-height:60vh;margin:0 auto;padding:32px 0 90px}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 34px;color:#8A949E;font-size:12px}
.breadcrumbs a{color:var(--blue-gray)}.breadcrumbs a:hover{color:var(--brand-deep)}
.article-detail{background:var(--white);border:1px solid #E7E9EB;border-radius:var(--radius);overflow:hidden}
.article-header{padding:clamp(28px,5vw,58px) clamp(24px,6vw,76px) 26px;background:linear-gradient(120deg,#FFFFFF 0%,#FAFBFC 100%);border-bottom:1px solid #EDF0F2}
.article-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px}
.article-header h1{max-width:850px;margin:22px 0 17px;color:var(--ink);font-size:clamp(31px,4.4vw,48px);font-weight:850;letter-spacing:-.045em;line-height:1.35}
.article-deck{max-width:820px;margin:0;color:#606B76;font-size:16px;line-height:1.95}
.article-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:28px;padding-top:19px;border-top:1px solid var(--line)}
.article-brand{color:#6B7580;font-size:11px;font-weight:800;letter-spacing:.06em}.article-brand span{margin:0 7px;color:var(--brand)}
.copy-action-wrap{display:flex;align-items:center;gap:10px}
.copy-link-button{padding:8px 12px;color:var(--ink);background:var(--white);border:1px solid #DDE1E5;border-radius:6px;cursor:pointer;font-size:11px;font-weight:750}
.copy-link-button:hover{border-color:var(--brand);color:var(--brand-deep)}
.copy-status{min-width:90px;color:var(--blue-gray);font-size:11px}
.article-body{display:grid;grid-template-columns:210px minmax(0,1fr);gap:clamp(30px,5vw,65px);padding:clamp(26px,5vw,58px) clamp(24px,6vw,76px) clamp(38px,6vw,70px)}
.article-side-note{align-self:start;position:sticky;top:22px;padding:19px;background:#F5F7F8;border:1px solid #E8ECEF;border-radius:7px}
.side-note-mark{display:block;margin-bottom:15px;color:var(--brand);font-size:26px;font-weight:900;letter-spacing:-1px}
.article-side-note strong{color:var(--ink);font-size:12px;font-weight:850}
.article-side-note p{margin:7px 0 0;color:var(--muted);font-size:11px;line-height:1.9}
.article-prose{min-width:0;max-width:760px}
.article-prose>p{margin:0 0 22px;color:#39424B;font-size:15px;line-height:2.1}
.article-prose>p:first-child::first-letter{color:var(--brand-deep)}
.article-endnote{display:flex;gap:13px;margin-top:34px;padding:18px 20px;background:#FFF4F5;border-left:3px solid var(--brand);border-radius:0 6px 6px 0}
.endnote-icon{width:21px;height:21px;display:grid;place-items:center;flex:0 0 auto;color:var(--brand-deep);background:#F9DDE2;border-radius:50%;font-size:11px;font-weight:900}
.article-endnote p{margin:0;color:#5D626A;font-size:12px;line-height:1.9}
.related-section{padding-top:48px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.related-card{display:flex;flex-direction:column;align-items:flex-start;padding:21px;background:var(--white);border:1px solid #E7E9EB;border-radius:7px}
.related-card h3{margin:14px 0 8px;color:var(--ink);font-size:16px;font-weight:800;line-height:1.55}
.related-card p{margin:0 0 18px;color:var(--muted);font-size:12px;line-height:1.8}
.not-found-panel{max-width:700px;margin:60px auto;padding:clamp(30px,6vw,70px);text-align:center;background:var(--white);border:1px solid #E7E9EB;border-radius:var(--radius)}
.not-found-code{display:block;color:var(--brand);font-size:clamp(65px,12vw,105px);font-weight:900;letter-spacing:-.08em;line-height:1.1}
.not-found-panel .section-kicker{justify-content:center;margin-top:18px}
.not-found-panel h1{margin:0;color:var(--ink);font-size:clamp(27px,4vw,38px);letter-spacing:-.04em}
.not-found-panel p:not(.section-kicker){max-width:490px;margin:15px auto 25px;color:var(--muted);font-size:14px}

@media (max-width: 980px) {
 .header-inner{gap:18px}.brand-caption{display:none}.site-nav{gap:19px}
 .hero-section{grid-template-columns:minmax(0,1fr) minmax(280px,.82fr);gap:34px}
 .hero-aside{padding:22px}.hero-aside-title{padding:27px 0 20px}
 .split-section{gap:36px}.split-visual{min-height:410px}
 .domain-section{gap:32px;padding:28px}.community-section{grid-template-columns:55px minmax(0,1fr);gap:20px}
 .community-section>.button{grid-column:2;justify-self:start}.footer-main{gap:24px}
 .article-body{grid-template-columns:170px minmax(0,1fr);gap:32px}
}
@media (max-width: 760px) {
 html{scroll-padding-top:16px}
 .header-inner{position:relative;min-height:73px;flex-wrap:wrap;padding:13px 0;gap:12px}
 .brand-lockup img{width:36px;height:36px}.brand-wordmark{font-size:25px}
 .nav-toggle{margin-left:auto}
 .site-nav{width:100%;display:flex;flex-wrap:wrap;gap:5px 17px;padding:8px 0 2px}
 .js-enabled .site-nav[hidden]{display:none!important}
 .nav-link{padding:7px 0;font-size:13px}
 .hero-section{grid-template-columns:1fr;padding-top:49px;padding-bottom:55px;gap:30px}
 .hero-copy h1{max-width:570px;font-size:clamp(36px,8vw,52px)}
 .hero-lead{margin-top:18px;font-size:15px}
 .hero-actions{margin-top:23px}.hero-note{margin-top:22px}
 .hero-aside{max-width:590px;width:100%;padding:22px 24px}
 .hero-aside-title{padding:26px 0 20px}.hero-symbol{font-size:76px}
 .content-section{padding:20px 0 65px}
 .section-heading{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:22px}
 .section-heading h2,.split-copy h2,.domain-main h2,.community-copy h2{font-size:clamp(26px,6vw,34px)}
 .section-index{padding:0}
 .article-grid{grid-template-columns:1fr}
 .article-card{min-height:0;padding:23px}.article-card h3{margin-top:14px;font-size:19px}
 .split-section{grid-template-columns:1fr;padding-bottom:65px;gap:30px}
 .split-visual{min-height:365px;padding:22px}.visual-play{top:39%;width:60px;height:60px}
 .visual-caption strong{font-size:34px}
 .split-copy{padding:0 1px}
 .timeline-section{padding-bottom:64px}.compact-heading{gap:10px}
 .subtle-link{padding-bottom:0}
 .timeline-item{gap:13px;padding:17px 2px}
 .timeline-main small{max-width:100%;line-height:1.7}
 .domain-section{grid-template-columns:1fr;gap:24px;margin-bottom:62px;padding:24px}
 .domain-side{padding:20px}
 .community-section{grid-template-columns:45px minmax(0,1fr);align-items:start;margin-bottom:61px;padding:24px 20px;gap:16px}
 .community-icon{width:43px;height:43px;border-radius:9px}.community-icon span{height:16px}.community-icon span:nth-child(2){height:24px}.community-icon span:nth-child(3){height:11px}
 .community-section>.button{grid-column:1 / -1;justify-self:start}
 .all-topics{padding-bottom:70px}.topic-links{grid-template-columns:1fr}
 .topic-link{grid-template-columns:75px minmax(0,1fr) 16px;padding:14px}
 .footer-main{grid-template-columns:1fr auto;align-items:start;gap:20px}
 .footer-links{grid-column:1 / -1;grid-row:2;gap:12px 18px}
 .back-top{justify-self:end}.footer-bottom{flex-direction:column;gap:5px}
 .article-page{padding-top:24px;padding-bottom:65px}
 .breadcrumbs{margin-bottom:23px}
 .article-header{padding:28px 24px 21px}.article-header h1{margin:18px 0 13px;font-size:clamp(29px,7vw,39px)}
 .article-deck{font-size:14px}.article-actions{align-items:flex-start;flex-direction:column;gap:13px;margin-top:22px}
 .article-body{grid-template-columns:1fr;gap:25px;padding:24px}
 .article-side-note{position:static;display:grid;grid-template-columns:36px 1fr;column-gap:12px;align-items:center;padding:13px}
 .side-note-mark{grid-row:span 2;margin:0;font-size:22px}.article-side-note strong{align-self:end}
 .article-side-note p{margin:0;align-self:start}
 .article-prose>p{font-size:14px;line-height:2}
 .related-grid{grid-template-columns:1fr}
 .not-found-panel{margin:25px auto}
}
@media (max-width: 420px) {
 :root{--page-gutter:17px}
 .hero-copy h1{font-size:35px}
 .hero-actions .button{width:100%}
 .hero-aside{padding:20px}.hero-aside-title{gap:12px}.hero-symbol{font-size:66px}
 .hero-aside-title p{font-size:12px}
 .focus-row{gap:10px}.focus-row small{font-size:10px}
 .section-intro{font-size:13px}
 .split-visual{min-height:330px}
 .domain-section{padding:20px 17px}
 .domain-side{padding:16px}
 .community-section{padding:20px 16px}
 .footer-main{grid-template-columns:1fr}
 .back-top{justify-self:start}.footer-links{grid-column:auto;grid-row:auto}
 .article-header{padding:24px 19px 18px}.article-body{padding:20px 19px}
 .copy-action-wrap{flex-wrap:wrap}.copy-status{min-width:0}
 .topic-link{grid-template-columns:66px minmax(0,1fr) 14px;gap:9px}
 .topic-link strong{font-size:11px}
}
@media (prefers-reduced-motion: reduce) {
 *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}