:root{
    --brand:#B9473F;
    --amber:#D89A45;
    --ink:#1E2026;
    --text:#2B2D31;
    --muted:#6F706F;
    --accent:#E06A3B;
    --paper:#F7F4EF;
    --soft:#EEE9E2;
    --white:#fffdf9;
    --line:#d8d0c7;
    --shadow:0 18px 48px rgba(30,32,38,.09);
    --radius:22px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(185,71,63,.12)}
.header-inner{max-width:var(--max);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:22px}
.brand-link{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;color:var(--ink);white-space:nowrap}.brand-link img{width:44px;height:44px;object-fit:contain;border-radius:10px}.brand-link span{font-size:20px}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:4px}.primary-nav a{padding:9px 11px;text-decoration:none;border-radius:10px;font-size:14px;color:#45464b}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--brand)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);padding:8px 12px;border-radius:10px}
.search-trigger{border:0;background:var(--ink);color:#fff;padding:9px 14px;border-radius:11px;font-weight:700}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;display:grid;place-items:start center;padding:12vh 24px}.search-backdrop{position:absolute;inset:0;background:rgba(30,32,38,.62)}.search-dialog{position:relative;z-index:1;width:min(720px,100%);background:var(--paper);padding:34px;border-radius:24px;box-shadow:var(--shadow)}.search-close{position:absolute;right:16px;top:12px;width:40px;height:40px;border:0;background:transparent;font-size:28px;color:var(--muted)}.search-dialog h2{margin:2px 0 8px;font-size:30px}.search-dialog p{margin:0 0 18px}.search-form label,.search-page-form label{display:block;font-weight:700;margin-bottom:8px}.search-form-row,.search-page-form>div{display:flex;gap:10px}.search-form input,.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;padding:12px 14px;border-radius:12px}.search-form button,.search-page-form button{border:0;background:var(--brand);color:#fff;border-radius:12px;padding:12px 18px;font-weight:700}body.modal-open{overflow:hidden}
.site-main{min-height:65vh}.home-main{overflow:hidden}
.home-hero,.page-hero{max-width:var(--max);margin:0 auto;padding:68px 24px 46px;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}.home-hero{min-height:630px}.hero-copy h1,.page-hero h1{font-size:clamp(38px,5vw,70px);line-height:1.08;letter-spacing:-.03em;margin:10px 0 22px;color:var(--ink)}.page-hero h1{font-size:clamp(34px,4.3vw,58px)}.eyebrow{margin:0;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-lead,.lead{font-size:19px;color:#45464a;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 17px;border-radius:13px;text-decoration:none;font-weight:800}.button-primary{background:var(--brand);color:#fff}.button-primary:hover{background:#9e3934}.button-secondary{background:var(--soft);color:var(--ink);border:1px solid var(--line)}.hero-note{margin-top:22px;padding:12px 14px;background:var(--soft);border-left:4px solid var(--amber);border-radius:0 10px 10px 0;font-size:14px}.hero-media,.page-hero figure{margin:0;position:relative}.hero-media img,.page-hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hero-media figcaption{font-size:13px;color:var(--muted);margin-top:10px}
.section{max-width:var(--max);margin:0 auto;padding:62px 24px}.section-heading{max-width:760px;margin-bottom:30px}.section-heading h2,.editorial-copy h2,.content-range-main h2,.notice-band h2,.about-band h2,.domain-panel h2,.question-band h2,.safe-ai h2,.contact-note h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;color:var(--ink);margin:7px 0 12px;letter-spacing:-.02em}.section-heading p:last-child{margin:0;color:var(--muted)}.section-heading-inline{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;max-width:none}.section-heading-inline>p{margin:0;color:var(--muted)}
.intro-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metricless-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}.metricless-grid>div{background:var(--paper);padding:24px}.metricless-grid span,.flow-grid span{font-size:12px;color:var(--brand);font-weight:900}.metricless-grid h3{margin:9px 0 8px;color:var(--ink)}.metricless-grid p{margin:0;color:var(--muted);font-size:14px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.feature-card{background:var(--white);border:1px solid rgba(216,208,199,.9);border-radius:22px;overflow:hidden;display:grid;grid-template-columns:180px 1fr;min-height:210px}.feature-card img{width:100%;height:100%;object-fit:cover}.feature-card-body{padding:24px}.feature-card h3{margin:0 0 9px;color:var(--ink);font-size:22px}.feature-card p{margin:0 0 14px;color:var(--muted)}.feature-card a{color:var(--brand);font-weight:800}
.editorial-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.editorial-split.reverse .editorial-image{order:2}.editorial-image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:26px}.editorial-copy p{color:#55575a}.editorial-copy a,.text-link{color:var(--brand);font-weight:800}
.update-strip{background:var(--ink);max-width:none;color:#fff;padding-left:max(24px,calc((100vw - var(--max))/2 + 24px));padding-right:max(24px,calc((100vw - var(--max))/2 + 24px))}.update-strip .section-heading h2{color:#fff}.update-strip .section-heading p:last-child{color:#b9b9bc}.update-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.update-item{border-top:1px solid #4a4c52;padding-top:18px}.update-item img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px;margin-bottom:16px}.update-item span{font-size:12px;color:#e6b36a}.update-item h3{font-size:20px;margin:5px 0 8px}.update-item h3 a{text-decoration:none}.update-item p{font-size:14px;color:#c7c7ca;margin:0}
.content-range{display:grid;grid-template-columns:1.4fr .6fr;gap:50px}.content-range-main p{color:#55575a}.content-range-main a{color:var(--brand);font-weight:800}.content-range-aside{background:var(--soft);padding:28px;border-radius:22px;align-self:start}.content-range-aside h3{margin-top:0}.content-range-aside ul{padding-left:20px;margin-bottom:0}.content-range-aside li+li{margin-top:9px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.guide-card{display:block;text-decoration:none;border:1px solid var(--line);border-radius:18px;padding:24px;background:transparent;transition:.2s}.guide-card:hover{background:var(--white);transform:translateY(-2px);box-shadow:0 10px 28px rgba(30,32,38,.07)}.guide-card>span{font-weight:900;color:var(--amber);font-size:12px}.guide-card h3{font-size:20px;margin:8px 0}.guide-card p{color:var(--muted);font-size:14px}.guide-card strong{color:var(--brand);font-size:14px}
.notice-band,.safety-callout{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--soft);border-radius:24px;padding:32px 36px;margin-top:24px;margin-bottom:24px}.notice-band>div,.safety-callout>div{max-width:760px}.notice-band p,.safety-callout p{margin-bottom:0}
.faq-preview .faq-list,.faq-page .faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);border-radius:14px;background:var(--white);padding:0 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--ink);padding:17px 0}.faq-list p{margin:0 0 18px;color:#55575a}.section-cta{margin-top:20px}.about-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}.about-band img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:26px}.about-band p{color:#55575a}.about-band a{color:var(--brand);font-weight:800}
.breadcrumbs{max-width:var(--max);margin:0 auto;padding:22px 24px 0}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:9px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:9px;color:#b2aaa1}.breadcrumbs a{color:var(--muted)}
.page-hero{padding-top:46px;padding-bottom:52px}.compact-hero .lead,.entry-hero .lead,.ai-hero .lead,.guide-hero .lead,.topic-hero .lead,.faq-hero .lead,.about-hero .lead,.safety-hero .lead,.privacy-hero .lead,.contact-hero .lead{font-size:18px}.page-hero figure img{aspect-ratio:4/3}
.editorial-columns{display:grid;grid-template-columns:1fr 1fr;gap:40px}.editorial-columns>div{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:28px}.editorial-columns h2{font-size:30px;color:var(--ink);margin:7px 0 12px}.editorial-columns p{color:#55575a}.comparison-stack{display:grid;gap:12px}.comparison-stack>div{border-left:4px solid var(--brand);padding:12px 0 12px 16px}.comparison-stack span{font-size:12px;color:var(--brand);font-weight:800}.comparison-stack h3{margin:5px 0}.comparison-stack p{margin:0}
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.flow-grid article{background:var(--white);border-radius:18px;padding:26px;border:1px solid var(--line)}.flow-grid h3{margin:8px 0}.flow-grid p{color:var(--muted)}.flow-grid a{color:var(--brand);font-weight:800}
.split-list{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px}.split-list h2{font-size:36px;color:var(--ink)}.definition-list{border-top:1px solid var(--line)}.definition-list>div{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.definition-list strong{color:var(--ink)}.definition-list p{margin:0;color:var(--muted)}
.domain-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--ink);color:#fff;border-radius:24px;padding:34px 38px}.domain-panel h2{color:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.domain-panel p{color:#c8c9cc;max-width:620px}.domain-checks{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.domain-checks span{border:1px solid #51535a;padding:8px 10px;border-radius:999px;font-size:13px;color:#f2d3a2}
.four-checks{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.four-checks article{padding:23px;border:1px solid var(--line);border-radius:18px}.four-checks span{color:var(--brand);font-size:12px;font-weight:900}.four-checks h3{margin:7px 0}.four-checks p{color:var(--muted);font-size:14px;margin:0}.question-band{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;background:var(--soft);border-radius:24px;padding:34px}.question-band>div:last-child{display:flex;flex-direction:column;gap:9px;justify-content:center}.question-band>div:last-child a{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none}
.ai-compare{padding-top:20px}.compare-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--white)}.compare-table>div{display:grid;grid-template-columns:.55fr 1fr 1.1fr;border-bottom:1px solid var(--line)}.compare-table>div:last-child{border-bottom:0}.compare-table span,.compare-table strong{padding:15px 18px}.compare-head{background:var(--soft);font-weight:900;color:var(--ink)}.safe-ai{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center}.safe-ai img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.safe-ai a{color:var(--brand);font-weight:800}
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.timeline li{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px}.timeline li>span{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--brand);color:#fff;border-radius:50%;font-weight:900}.timeline h3{margin:16px 0 7px}.timeline p{color:var(--muted);font-size:14px}.timeline a{color:var(--brand);font-weight:800;font-size:14px}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.topic-card{display:grid;grid-template-columns:190px 1fr;background:var(--white);border:1px solid var(--line);border-radius:20px;overflow:hidden}.topic-card img{width:100%;height:100%;object-fit:cover}.topic-card>div{padding:22px}.topic-card h2{font-size:21px;margin:0 0 9px;line-height:1.35}.topic-card h2 a{text-decoration:none}.topic-card p{color:var(--muted);font-size:14px}.topic-card>div>a{color:var(--brand);font-weight:800}.topic-rule{display:flex;gap:30px;justify-content:space-between;align-items:center;border-top:1px solid var(--line)}.topic-rule>div{max-width:760px}.topic-rule h2{font-size:32px;margin:7px 0}
.faq-page{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start}.faq-aside{position:sticky;top:92px;background:var(--soft);border-radius:18px;padding:24px}.faq-aside h2{margin-top:0;font-size:22px}.faq-aside a{display:block;background:var(--white);border:1px solid var(--line);padding:10px 12px;border-radius:10px;text-decoration:none;margin-top:8px}
.principles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.principles-grid article{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--white)}.principles-grid span{font-size:12px;color:var(--brand);font-weight:900}.principles-grid h2{font-size:24px;margin:7px 0}.principles-grid p{color:var(--muted);margin-bottom:0}
.safety-list,.privacy-grid,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.safety-list>div,.privacy-grid article,.contact-grid article{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:28px}.safety-list span,.contact-grid span{font-size:12px;color:var(--brand);font-weight:900}.safety-list h2,.privacy-grid h2,.contact-grid h2{font-size:25px;margin:8px 0}.safety-list p,.privacy-grid p,.contact-grid p{color:var(--muted)}.safety-list a{color:var(--brand);font-weight:800}.incident-flow ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.incident-flow li{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:18px}.incident-flow strong{display:block;color:var(--ink);font-size:18px}.incident-flow p{color:var(--muted);font-size:14px}
.privacy-grid code{background:var(--soft);padding:2px 5px;border-radius:5px}.contact-note{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;background:var(--soft);border-radius:24px;padding:32px}.contact-note>div:last-child{display:flex;flex-direction:column;gap:9px;justify-content:center}.contact-note a{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none}
.article-shell{max-width:var(--max);margin:0 auto;padding:34px 24px 20px}.article-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;padding-bottom:46px;border-bottom:1px solid var(--line)}.article-hero h1{font-size:clamp(34px,4.5vw,58px);line-height:1.12;color:var(--ink);margin:8px 0 16px}.article-hero .lead{font-size:18px;color:#4e5054}.article-hero figure{margin:0}.article-hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.article-meta{font-size:13px;color:var(--muted);margin-top:18px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:42px 0}.article-body section+section{margin-top:42px}.article-body h2{font-size:30px;line-height:1.25;color:var(--ink);margin:0 0 15px}.article-body p{font-size:17px;color:#4d4f53;margin:0 0 16px}.article-aside{align-self:start;position:sticky;top:92px;display:grid;gap:14px}.aside-card{background:var(--soft);border-radius:18px;padding:22px}.aside-card h2,.aside-card h3{font-size:20px;margin:0 0 8px;color:var(--ink)}.aside-card p{font-size:14px;color:var(--muted)}.aside-card a{color:var(--brand);font-weight:800;font-size:14px}.section-related{padding-top:24px}.link-list{border-top:1px solid var(--line)}.link-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none}.link-row strong{display:block;color:var(--ink);font-size:17px}.link-row small{display:block;color:var(--muted);margin-top:3px}.link-row>span:last-child{font-size:24px;color:var(--brand)}
.search-page-hero{max-width:900px;margin:0 auto;padding:56px 24px 24px}.search-page-hero h1{font-size:46px;line-height:1.15;color:var(--ink);margin:8px 0 12px}.search-page-form{margin-top:24px}.search-page-form>div{display:flex}.search-results{max-width:900px}.result-list{display:grid;gap:12px}.result-list article{background:var(--white);border:1px solid var(--line);padding:22px;border-radius:16px}.result-list h2{font-size:22px;margin:0 0 7px}.result-list h2 a{text-decoration:none}.result-list p{color:var(--muted);margin:0 0 10px}.result-list article>a{color:var(--brand);font-weight:800}.empty-search,.no-results,.search-note{max-width:900px}.tag-links{display:flex;flex-wrap:wrap;gap:9px}.tag-links a{background:var(--soft);border:1px solid var(--line);padding:8px 12px;border-radius:999px;text-decoration:none}.search-note{display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line)}.search-note h2{margin:0 0 6px}.search-note p{margin:0;color:var(--muted)}.search-note>a{color:var(--brand);font-weight:800}
.error-page{min-height:64vh;display:grid;place-items:center;padding:60px 24px}.error-card{width:min(760px,100%);background:var(--white);border:1px solid var(--line);border-radius:26px;padding:42px;text-align:center}.error-card h1{font-size:48px;color:var(--ink);margin:5px 0 12px}.error-card>p:not(.eyebrow){color:var(--muted)}.error-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:24px}.error-links a{background:var(--soft);border-radius:12px;padding:11px;text-decoration:none}
.site-footer{margin-top:48px;background:var(--ink);color:#fff}.footer-main{max-width:var(--max);margin:0 auto;padding:50px 24px 34px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}.footer-brand{font-size:24px;font-weight:900;text-decoration:none}.footer-intro p{color:#bbbcc0;max-width:390px}.footer-group h2{font-size:14px;margin:0 0 12px;color:#e0aa61}.footer-group a{display:block;color:#d5d5d7;text-decoration:none;font-size:14px;padding:5px 0}.footer-group a:hover{color:#fff}.footer-bottom{max-width:var(--max);margin:0 auto;border-top:1px solid #3d3f45;padding:18px 24px 28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#aeb0b4;font-size:13px}.footer-bottom p{margin:0;margin-right:auto}.footer-bottom a{color:#d8d8da}.back-to-top{position:fixed;right:18px;bottom:18px;width:42px;height:42px;border:0;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
@media (max-width:1100px){.primary-nav{gap:0}.primary-nav a{padding:8px 8px;font-size:13px}.home-hero,.page-hero{gap:34px}.metricless-grid{grid-template-columns:repeat(2,1fr)}.feature-card{grid-template-columns:150px 1fr}.guide-grid{grid-template-columns:repeat(2,1fr)}.timeline,.incident-flow ol{grid-template-columns:repeat(2,1fr)}.four-checks{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1.4fr repeat(3,1fr);gap:22px}}
@media (max-width:900px){.menu-toggle{display:inline-flex;margin-left:auto}.primary-nav{position:absolute;left:16px;right:16px;top:72px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:12px;display:none;flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:10px 12px}.search-trigger{margin-left:0}.home-hero,.page-hero,.article-hero{grid-template-columns:1fr}.home-hero{padding-top:44px;min-height:auto}.hero-copy h1,.page-hero h1{font-size:48px}.hero-media{max-width:760px}.section-heading-inline,.editorial-split,.content-range,.about-band,.editorial-columns,.split-list,.safe-ai,.question-band,.contact-note{grid-template-columns:1fr}.editorial-split.reverse .editorial-image{order:0}.update-list{grid-template-columns:1fr}.update-item{display:grid;grid-template-columns:180px 1fr;gap:18px}.update-item img{margin:0}.topic-grid{grid-template-columns:1fr}.faq-page{grid-template-columns:1fr}.faq-aside,.article-aside{position:static}.article-layout{grid-template-columns:1fr}.article-aside{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:repeat(2,1fr)}.footer-intro{grid-column:1/-1}.domain-panel,.topic-rule{align-items:flex-start;flex-direction:column}.domain-checks{justify-content:flex-start}.notice-band,.safety-callout{align-items:flex-start;flex-direction:column}.search-note{align-items:flex-start;flex-direction:column}}
@media (max-width:700px){.header-inner{padding:12px 16px;gap:10px}.brand-link span{display:none}.brand-link img{width:40px;height:40px}.search-trigger{padding:8px 11px}.home-hero,.page-hero,.section,.article-shell,.breadcrumbs{padding-left:18px;padding-right:18px}.home-hero{padding-top:34px}.hero-copy h1,.page-hero h1,.article-hero h1{font-size:38px}.hero-lead,.lead{font-size:17px}.hero-actions{display:grid}.hero-actions .button{width:100%}.metricless-grid,.feature-grid,.guide-grid,.flow-grid,.principles-grid,.safety-list,.privacy-grid,.contact-grid{grid-template-columns:1fr}.feature-card{grid-template-columns:120px 1fr}.feature-card-body{padding:18px}.feature-card h3{font-size:19px}.section{padding-top:46px;padding-bottom:46px}.section-heading h2,.editorial-copy h2,.content-range-main h2,.notice-band h2,.about-band h2,.domain-panel h2,.question-band h2,.safe-ai h2,.contact-note h2{font-size:30px}.update-item{grid-template-columns:110px 1fr}.guide-card{padding:20px}.topic-card{grid-template-columns:120px 1fr}.topic-card>div{padding:18px}.definition-list>div{grid-template-columns:1fr;gap:5px}.four-checks,.timeline,.incident-flow ol{grid-template-columns:1fr}.compare-table>div{grid-template-columns:1fr}.compare-head{display:none!important}.compare-table span,.compare-table strong{padding:8px 14px}.compare-table strong{padding-top:15px;color:var(--brand)}.compare-table span:last-child{padding-bottom:15px}.article-layout{padding-top:30px}.article-body h2{font-size:26px}.article-aside{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-intro{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column;gap:8px}.footer-bottom p{margin-right:0}.error-links{grid-template-columns:1fr}.search-form-row,.search-page-form>div{flex-direction:column}.search-dialog{padding:28px 20px}.search-page-hero h1{font-size:36px}.domain-panel,.question-band,.contact-note{padding:26px 22px}.notice-band,.safety-callout{margin-left:18px;margin-right:18px;padding:26px 22px}.section.notice-band,.section.safety-callout{width:auto}.update-strip{padding-left:18px;padding-right:18px}}
@media (max-width:420px){.hero-copy h1,.page-hero h1,.article-hero h1{font-size:34px}.feature-card{grid-template-columns:1fr}.feature-card img{height:180px}.update-item{grid-template-columns:1fr}.update-item img{height:180px}.topic-card{grid-template-columns:1fr}.topic-card img{height:180px}.error-card{padding:30px 20px}.section-heading h2{font-size:28px}}