:root{
    --brick:#B9473F;
    --amber:#D89A45;
    --charcoal:#1E2026;
    --paper:#F7F4EF;
    --soft:#EEE9E2;
    --text:#2B2D31;
    --muted:#6F706F;
    --accent:#E06A3B;
    --line:#D9D1C7;
    --shadow:0 18px 55px rgba(30,32,38,.09);
    --shell:min(1180px,calc(100% - 40px));
}
*{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}
body.search-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brick)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:var(--charcoal);color:#fff;padding:10px 16px;border-radius:10px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,239,.96);border-bottom:1px solid rgba(217,209,199,.85);backdrop-filter:blur(16px)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brand img{border-radius:12px;object-fit:cover;background:var(--soft)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-copy strong{font-size:19px;letter-spacing:.02em}
.brand-copy small{margin-top:5px;color:var(--muted);font-size:11px;letter-spacing:.08em}
.site-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
.site-nav a{padding:10px 11px;border-radius:10px;font-size:14px;color:#45464a}
.site-nav a:hover,.site-nav a[aria-current="page"]{background:#fff;color:var(--brick)}
.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:11px;color:var(--text)}
.search-open:hover,.menu-toggle:hover{border-color:var(--brick);color:var(--brick)}
.menu-toggle{display:none}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding:12vh 20px 20px}
.search-backdrop{position:absolute;inset:0;background:rgba(20,20,22,.65);backdrop-filter:blur(5px)}
.search-panel{position:relative;width:min(700px,100%);background:var(--paper);border-radius:24px;padding:28px;box-shadow:0 30px 90px rgba(0,0,0,.28)}
.search-panel-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.search-panel h2{margin:5px 0 14px;font-size:28px;line-height:1.25}
.icon-button{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:50%;font-size:25px;line-height:1}
.search-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.search-line{display:flex;gap:10px}
.search-line input{min-width:0;flex:1;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;outline:none}
.search-line input:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(185,71,63,.12)}
.search-hint{font-size:13px;color:var(--muted);margin:12px 0 0}

.hero{padding:78px 0 36px;background:#F3EEE7}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-copy h1,.page-hero h1,.article-hero h1{font-size:clamp(42px,5vw,68px);line-height:1.08;letter-spacing:-.045em;margin:12px 0 22px;color:var(--charcoal)}
.page-hero h1,.article-hero h1{font-size:clamp(36px,4.5vw,58px)}
.lead{font-size:18px;color:#55565A;line-height:1.8;margin:0 0 24px}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brick)}
.eyebrow.light{color:#F2B769}
.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.2s ease}
.button:hover{transform:translateY(-1px)}
.button-primary{background:var(--brick);color:#fff;border-color:var(--brick)}
.button-primary:hover{background:#A33D36;color:#fff}
.button-secondary{background:#fff;color:var(--charcoal);border-color:var(--line)}
.button-secondary:hover{border-color:var(--brick)}
.button-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.button-warm{background:var(--amber);color:#1B1B1D}
.button-dark-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.hero-note{margin-top:28px;padding:16px 18px;border-left:3px solid var(--accent);background:rgba(255,255,255,.58);border-radius:0 12px 12px 0;color:#5E5B58;font-size:14px}
.hero-media{margin:0;position:relative}
.hero-media img{width:100%;aspect-ratio:1.22/1;object-fit:cover;border-radius:32px;box-shadow:var(--shadow);background:var(--soft)}
.hero-media figcaption{position:absolute;left:20px;right:20px;bottom:18px;background:rgba(30,32,38,.88);color:#fff;padding:12px 14px;border-radius:12px;font-size:13px}

.section{padding:76px 0}
.section-tight{padding:24px 0}
.alt-bg{background:var(--soft)}
.tone-dark{background:var(--charcoal);color:#F5F1EB}
.tone-warm{background:#EADFCE}
.orientation-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 35px rgba(30,32,38,.06);overflow:hidden}
.orientation-strip>div{padding:18px 20px;border-right:1px solid var(--line)}
.orientation-strip>div:last-child{border-right:0}
.orientation-strip span,.orientation-strip strong{display:block}
.orientation-strip span{font-size:12px;color:var(--muted);margin-bottom:4px}
.orientation-strip strong{font-size:14px}
.section-heading{max-width:760px;margin-bottom:34px}
.section-heading h2,.feature-copy h2,.editorial-main h2,.steps-intro h2,.faq-preview-grid h2,.about-band h2,.center-block h2{font-size:clamp(30px,4vw,46px);line-height:1.16;letter-spacing:-.03em;margin:9px 0 14px;color:var(--charcoal)}
.section-heading p,.feature-copy p,.steps-intro p,.center-block p{color:var(--muted);margin:0;font-size:16px}
.split-heading{max-width:none;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:end}
.split-heading>p{max-width:520px;padding-bottom:4px}

.core-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.core-card{display:grid;grid-template-columns:210px 1fr;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;min-height:210px}
.core-card>img{width:100%;height:100%;object-fit:cover;background:var(--soft)}
.core-card-body{padding:24px;display:flex;flex-direction:column;align-items:flex-start}
.core-card h3{margin:0 0 9px;font-size:21px;line-height:1.3}
.core-card p{margin:0 0 16px;color:var(--muted);font-size:14px;flex:1}
.text-link{display:inline-flex;gap:8px;align-items:center;color:var(--brick);font-weight:800;font-size:14px}

.editorial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:start}
.editorial-main h2{color:#fff}
.editorial-main p{color:#C9C8C5;font-size:17px}
.editorial-side{background:#282A31;border:1px solid #363842;border-radius:22px;padding:26px}
.editorial-side h3{margin:0 0 16px;font-size:20px}
.number-list{list-style:none;margin:0;padding:0}
.number-list li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:15px 0;border-top:1px solid #3A3C44}
.number-list li:first-child{border-top:0}
.number-list>li>span{color:#E5AB5A;font-weight:900}
.number-list strong{display:block;margin-bottom:4px}
.number-list p{margin:0;color:#AAAEB4;font-size:14px}

.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.feature-split.reverse .feature-image{order:2}
.feature-image{width:100%;border-radius:24px;aspect-ratio:1.35/1;object-fit:cover;background:#DDD5CA;box-shadow:var(--shadow)}
.check-list,.plain-list,.link-list{padding:0;margin:22px 0;list-style:none}
.check-list li{position:relative;padding:7px 0 7px 28px}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--brick);font-weight:900}

.article-list{border-top:1px solid var(--line)}
.list-row{display:grid;grid-template-columns:150px 1fr 40px;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.list-meta{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:12px}
.list-meta span{color:var(--brick);font-weight:800}
.list-row h3{margin:0 0 6px;font-size:20px}
.list-row p{margin:0;color:var(--muted);font-size:14px}
.row-arrow{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}
.section-action{text-align:center;margin-top:28px}

.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.topic-card{background:var(--paper);border-radius:20px;overflow:hidden;border:1px solid #DDD3C8;display:grid;grid-template-columns:190px 1fr}
.topic-card img{width:100%;height:100%;object-fit:cover}
.topic-card>div{padding:22px}
.topic-card h3{margin:0 0 8px;font-size:20px}
.topic-card p{font-size:14px;color:var(--muted);margin:0 0 14px}

.steps-panel{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
.big-steps{list-style:none;margin:0;padding:0}
.big-steps li{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.big-steps li:first-child{border-top:0;padding-top:0}
.big-steps>li>span{width:52px;height:52px;border-radius:50%;background:var(--charcoal);color:#fff;display:grid;place-items:center;font-weight:900}
.big-steps h3{margin:2px 0 6px;font-size:20px}
.big-steps p{margin:0;color:var(--muted)}

.faq-preview-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:66px;align-items:start}
.faq-list{border-top:1px solid rgba(43,45,49,.18)}
.faq-item{border-bottom:1px solid rgba(43,45,49,.18)}
.faq-item>button{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:20px 0;font-weight:800;color:var(--text)}
.faq-item>button b{font-size:22px;font-weight:400;transition:transform .2s ease}
.faq-item>button[aria-expanded="true"] b{transform:rotate(45deg)}
.faq-answer{padding:0 0 22px;max-width:800px}
.faq-answer[hidden]{display:none!important}
.faq-answer p{margin:0;color:#5F5F61}
.compact .faq-item>button{padding:17px 0}

.about-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px}
.about-band img{border-radius:18px;width:100%;height:100%;object-fit:cover}
.about-band p{color:var(--muted)}
.final-cta{background:var(--charcoal);color:#fff}
.final-cta-inner{display:flex;justify-content:space-between;gap:60px;align-items:center}
.final-cta h2{color:#fff;font-size:40px;margin:8px 0 10px}
.final-cta p{color:#C4C5C8;max-width:700px;margin:0}

.page-hero{padding:62px 0 36px;background:#F1EBE3}
.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.page-hero-grid>img{width:100%;aspect-ratio:1.52/1;object-fit:cover;border-radius:24px;background:var(--soft)}
.compact-hero{padding:58px 0 30px}
.compact-hero .shell{max-width:920px;margin-inline:auto}
.accent-hero{background:#EFE3DA}
.breadcrumbs{padding:18px 0 0}
.breadcrumbs ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap;padding:0;margin:0;font-size:13px;color:var(--muted)}
.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#B0AAA3}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;align-items:start}
.prose{font-size:16.5px;line-height:1.9}
.prose h2{font-size:28px;line-height:1.28;margin:42px 0 14px;color:var(--charcoal);letter-spacing:-.02em}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 18px;color:#48494C}
.prose strong{color:var(--charcoal)}
.prose code{background:#EEE7DD;padding:2px 6px;border-radius:6px}
.side-rail{display:grid;gap:18px;position:sticky;top:100px}
.rail-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.rail-card h2{font-size:18px;margin:4px 0 12px}
.rail-card p{color:var(--muted);font-size:14px}
.rail-card>a{display:block;padding:10px 0;border-top:1px solid #ECE5DC;font-size:14px;font-weight:700}
.rail-card>a:first-of-type{border-top:0}
.domain-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--brick)!important;font-weight:800;word-break:break-all}
.status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#5DA365;margin-right:7px}
.note-box{margin:30px 0;background:#EFE5D8;border-left:4px solid var(--amber);padding:18px 20px;border-radius:0 14px 14px 0}
.note-box strong{display:block;margin-bottom:4px}
.note-box p{margin:0}
.comparison-table{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:24px 0}
.comparison-row{display:grid;grid-template-columns:.9fr 1fr 1.6fr;border-top:1px solid var(--line)}
.comparison-row:first-child{border-top:0}
.comparison-row>div{padding:13px 14px;border-left:1px solid var(--line)}
.comparison-row>div:first-child{border-left:0}
.comparison-row.header{background:var(--charcoal);color:#fff;font-weight:800}
.link-list li{padding:9px 0;border-bottom:1px solid var(--line)}
.link-list a{color:var(--brick);font-weight:700}
.callout-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.mini-card strong{display:block;margin-bottom:5px}
.mini-card p{font-size:14px;margin:0;color:var(--muted)}

.topic-stack{display:grid;gap:42px}
.topic-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;padding-bottom:42px;border-bottom:1px solid var(--line)}
.topic-feature.reverse img{order:2}
.topic-feature img{width:100%;aspect-ratio:1.4/1;object-fit:cover;border-radius:22px}
.topic-index{font-size:12px;letter-spacing:.12em;color:var(--brick);font-weight:900}
.topic-feature h2{font-size:34px;line-height:1.2;margin:8px 0 12px}
.topic-feature>div>p{color:var(--muted)}
.topic-links{list-style:none;margin:22px 0 0;padding:0}
.topic-links li{border-top:1px solid var(--line)}
.topic-links a{display:block;padding:13px 0}
.topic-links strong,.topic-links span{display:block}
.topic-links span{font-size:13px;color:var(--muted);margin-top:2px}
.center-block{max-width:760px;text-align:center}
.center-block .button{margin-top:24px}

.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column}
.guide-number{font-size:12px;color:var(--brick);font-weight:900;letter-spacing:.15em}
.guide-card h2{font-size:21px;line-height:1.35;margin:10px 0}
.guide-card p{font-size:14px;color:var(--muted);margin:0 0 12px}
.guide-card ol{padding-left:20px;margin:6px 0 18px;font-size:13px;color:#55565A;flex:1}
.guide-card li{padding:3px 0}
.narrow-content{max-width:820px;margin-inline:auto}
.process-list{list-style:none;margin:0;padding:0}
.process-list li{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.process-list>li>span{width:58px;height:58px;border-radius:16px;background:var(--charcoal);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900}
.process-list h2{margin:2px 0 6px;font-size:22px}
.process-list p{margin:0;color:var(--muted)}
.next-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.next-links a{padding:10px 13px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}

.index-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.index-group{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}
.index-group-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:2px solid var(--charcoal);margin-bottom:4px}
.index-group-head span{font-weight:900;font-size:18px}
.index-group-head strong{font-size:12px;color:var(--muted)}
.index-group article{padding:18px 0;border-bottom:1px solid #ECE5DC}
.index-group article:last-child{border-bottom:0}
.index-group h2{font-size:19px;line-height:1.4;margin:0 0 6px}
.index-group p{font-size:14px;color:var(--muted);margin:0 0 8px}
.meta-line{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted)}
.meta-line a{color:var(--brick);font-weight:700}

.article-hero{padding:62px 0 30px;background:#EFE7DD}
.article-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.article-hero-grid>img{width:100%;aspect-ratio:1.48/1;object-fit:cover;border-radius:24px}
.article-date{font-size:13px;color:var(--muted)}
.article-end-note{margin-top:36px;padding-top:22px;border-top:2px solid var(--charcoal)}

.faq-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:60px}
.text-button{border:0;background:transparent;color:var(--brick);font-weight:800;padding:8px 0;text-align:left}
.ordered-prose{padding-left:24px}
.ordered-prose li{padding:8px 0}
.template-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin:22px 0}
.template-box p{padding:8px 0;margin:0;border-bottom:1px solid #EEE7DF}
.template-box p:last-child{border-bottom:0}

.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.safety-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.safety-card>span{color:var(--brick);font-weight:900;letter-spacing:.12em}
.safety-card h2{font-size:20px;margin:10px 0}
.safety-card p{font-size:14px;color:var(--muted);margin:0}

.inline-search{max-width:700px;margin-top:26px}
.search-results{max-width:900px}
.empty-state{text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:46px 28px}
.empty-state h2{font-size:28px;margin:0 0 10px}
.empty-state p{color:var(--muted)}
.tag-links{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-top:20px}
.tag-links a{padding:8px 12px;background:var(--soft);border-radius:999px;font-size:13px}
.results-head{margin-bottom:20px}
.results-head h2{margin:0 0 4px}
.results-head p{color:var(--muted);margin:0}
.results-list{display:grid;gap:14px}
.results-list article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.results-list article>span{font-size:11px;color:var(--brick);font-weight:900}
.results-list h2{font-size:21px;margin:5px 0 7px}
.results-list p{margin:0 0 10px;color:var(--muted)}

.status-page{min-height:62vh;display:grid;align-items:center;padding:70px 0}
.status-panel{max-width:760px;text-align:center}
.status-code{display:inline-block;font-size:70px;line-height:1;font-weight:900;color:var(--brick);letter-spacing:-.06em}
.status-panel h1{font-size:42px;margin:10px 0}
.status-panel p{color:var(--muted);font-size:17px}
.status-panel .button-row{justify-content:center}
.status-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:32px}
.status-links a{font-size:13px;padding:8px 10px}

.site-footer{background:#17191E;color:#E9E7E2;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}
.footer-brand-link{color:#fff}
.footer-brand p{color:#9FA1A6;font-size:14px;max-width:420px}
.footer-links h2{font-size:13px;margin:0 0 13px;color:#F1B25D;letter-spacing:.08em}
.footer-links a{display:block;color:#B8BAC0;padding:5px 0;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid #2D3037;margin-top:38px;padding-top:18px;color:#83868D;font-size:12px}
.footer-bottom p{margin:0}
.footer-bottom div{display:flex;gap:16px}
.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--charcoal);box-shadow:0 10px 30px rgba(0,0,0,.12);opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s ease;z-index:70}
.back-top.visible{opacity:1;pointer-events:auto;transform:none}

@media (max-width:1080px){
    :root{--shell:min(100% - 32px,960px)}
    .site-nav{position:absolute;left:16px;right:16px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px;display:none;box-shadow:var(--shadow)}
    .site-nav.open{display:grid;grid-template-columns:repeat(2,1fr)}
    .menu-toggle{display:inline-flex;margin-left:auto}
    .header-inner{gap:10px}
    .hero-grid,.page-hero-grid,.article-hero-grid{gap:34px}
    .hero-copy h1{font-size:49px}
    .core-card{grid-template-columns:160px 1fr}
    .editorial-grid{gap:40px}
    .article-layout,.faq-page-grid{grid-template-columns:minmax(0,1fr) 260px;gap:36px}
    .side-rail{position:static}
    .guide-grid{grid-template-columns:repeat(2,1fr)}
    .safety-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1.3fr repeat(3,1fr);gap:24px}
}
@media (max-width:820px){
    :root{--shell:calc(100% - 28px)}
    .hero{padding-top:46px}
    .hero-grid,.page-hero-grid,.article-hero-grid,.feature-split,.editorial-grid,.steps-panel,.faq-preview-grid,.about-band,.article-layout,.faq-page-grid,.topic-feature{grid-template-columns:1fr}
    .hero-media{order:-1}
    .hero-media img{aspect-ratio:16/10}
    .hero-copy h1,.page-hero h1,.article-hero h1{font-size:40px}
    .orientation-strip{grid-template-columns:repeat(2,1fr)}
    .orientation-strip>div:nth-child(2){border-right:0}
    .orientation-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
    .split-heading{grid-template-columns:1fr;gap:10px}
    .core-grid,.topic-grid,.index-columns{grid-template-columns:1fr}
    .topic-card{grid-template-columns:180px 1fr}
    .feature-split.reverse .feature-image,.topic-feature.reverse img{order:0}
    .final-cta-inner{display:block}
    .final-cta h2{font-size:34px}
    .callout-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .footer-brand{grid-column:1/-1}
    .topic-feature{gap:24px}
    .topic-feature h2{font-size:30px}
}
@media (max-width:600px){
    :root{--shell:calc(100% - 24px)}
    .header-inner{min-height:68px}
    .brand-copy small{display:none}
    .brand img{width:40px;height:40px}
    .search-open,.menu-toggle{padding:9px 11px}
    .site-nav.open{grid-template-columns:1fr;max-height:70vh;overflow:auto}
    .search-panel{padding:20px}
    .search-panel h2{font-size:23px}
    .search-line{display:grid}
    .hero-copy h1,.page-hero h1,.article-hero h1{font-size:34px}
    .lead{font-size:16px}
    .button-row{align-items:stretch}
    .button-row .button{flex:1 1 100%}
    .orientation-strip{grid-template-columns:1fr}
    .orientation-strip>div{border-right:0;border-bottom:1px solid var(--line)!important}
    .orientation-strip>div:last-child{border-bottom:0!important}
    .section{padding:56px 0}
    .section-heading h2,.feature-copy h2,.editorial-main h2,.steps-intro h2,.faq-preview-grid h2,.about-band h2,.center-block h2{font-size:31px}
    .core-card,.topic-card{grid-template-columns:1fr}
    .core-card>img,.topic-card img{aspect-ratio:16/8;height:auto}
    .list-row{grid-template-columns:1fr 36px;gap:10px}
    .list-meta{grid-column:1/-1;flex-direction:row}
    .guide-grid,.safety-grid{grid-template-columns:1fr}
    .comparison-row{grid-template-columns:1fr}
    .comparison-row>div{border-left:0;border-top:1px solid var(--line)}
    .comparison-row>div:first-child{border-top:0}
    .comparison-row.header{display:none}
    .meta-line{display:grid;gap:4px}
    .process-list li{grid-template-columns:52px 1fr;gap:14px}
    .process-list>li>span{width:46px;height:46px}
    .footer-grid{grid-template-columns:1fr}
    .footer-brand{grid-column:auto}
    .footer-bottom{display:grid}
    .footer-bottom div{flex-wrap:wrap}
    .status-code{font-size:58px}
    .status-panel h1{font-size:34px}
}
@media (max-width:390px){
    .brand-copy strong{font-size:17px}
    .search-open{font-size:0}
    .search-open:after{content:"搜";font-size:13px}
    .menu-toggle{font-size:13px}
    .hero-copy h1,.page-hero h1,.article-hero h1{font-size:31px}
    .hero-media figcaption{position:static;border-radius:0 0 14px 14px;background:var(--charcoal)}
    .hero-media img{border-radius:14px 14px 0 0}
}