:root{
  --brick:#A9503F;
  --gold:#D9A15B;
  --charcoal:#241F1D;
  --paper:#F8F5F1;
  --soft:#EFE8E1;
  --text:#332E2B;
  --muted:#746B65;
  --accent:#E07A3F;
  --line:#D8CEC5;
  --white:#FFFDFC;
  --shadow:0 18px 50px rgba(62,43,34,.10);
  --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:1.75;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:var(--brick)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;padding:10px 14px;background:var(--charcoal);color:#fff;border-radius:0 0 10px 10px}
.skip-link:focus{top:0}
.site-header{position:sticky;top:0;z-index:80;background:rgba(248,245,241,.96);border-bottom:1px solid rgba(216,206,197,.88);backdrop-filter:blur(12px)}
.header-inner{width:min(var(--max),calc(100% - 36px));min-height:78px;margin:auto;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;min-width:180px;text-decoration:none}
.brand img{width:46px;height:46px;object-fit:contain;border-radius:13px;background:var(--soft)}
.brand span{display:flex;flex-direction:column;line-height:1.25}
.brand strong{font-size:1.04rem;letter-spacing:.04em;color:var(--charcoal)}
.brand small{margin-top:4px;font-size:.72rem;color:var(--muted)}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:4px;white-space:nowrap}
.primary-nav a{padding:10px 11px;border-radius:999px;color:var(--text);font-size:.92rem;text-decoration:none}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--brick)}
.search-trigger,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--charcoal);padding:9px 14px;border-radius:999px}
.search-trigger:hover,.menu-toggle:hover{border-color:var(--brick);color:var(--brick)}
.menu-toggle{display:none}
main{min-height:70vh}
.section-shell{width:min(var(--max),calc(100% - 36px));margin-left:auto;margin-right:auto}
.eyebrow{margin:0 0 8px;color:var(--brick);font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.lead{font-size:1.05rem;color:#4f4743;max-width:760px}
.primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:999px;background:var(--brick);color:#fff;text-decoration:none;font-weight:700}
.primary-link:hover{background:#8f4033;color:#fff}
.chip{display:inline-flex;padding:3px 9px;border-radius:999px;background:#f0ded7;color:var(--brick);font-size:.74rem;font-weight:700}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:24px}
.section-heading h2{margin:0;font-size:clamp(1.55rem,2.4vw,2.25rem);line-height:1.25;color:var(--charcoal)}
.section-heading>p{max-width:520px;margin:0;color:var(--muted)}
.section-heading.compact{align-items:center}
.cover{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.8fr) minmax(200px,.55fr);gap:24px;padding-top:46px;padding-bottom:58px;align-items:stretch}
.cover-copy{padding:20px 6px 8px 0}
.cover-copy h1{margin:8px 0 18px;font-size:clamp(2.35rem,5vw,4.75rem);line-height:1.04;letter-spacing:-.045em;color:var(--charcoal)}
.cover-search{margin-top:26px;padding:18px;background:var(--soft);border-radius:18px}
.cover-search label{display:block;margin-bottom:8px;font-size:.86rem;font-weight:700;color:var(--muted)}
.cover-search>div{display:flex;gap:10px}
.cover-search input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;padding:11px 13px;border-radius:12px;outline:none}
.cover-search input:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(169,80,63,.12)}
.cover-search button{border:0;background:var(--accent);color:#fff;padding:0 17px;border-radius:12px;font-weight:700}
.entry-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px}
.entry-links>a:not(.primary-link){color:var(--brick);font-weight:700}
.cover-visual{margin:0;position:relative;min-height:530px;border-radius:30px;overflow:hidden;background:var(--soft);box-shadow:var(--shadow)}
.cover-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cover-visual::after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(to bottom,transparent,rgba(36,31,29,.82))}
.cover-visual figcaption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff;font-size:.9rem;line-height:1.6}
.cover-stack{display:flex;flex-direction:column;gap:12px}
.cover-stack a{flex:1;display:flex;flex-direction:column;justify-content:center;padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);text-decoration:none;transition:.2s ease}
.cover-stack a:hover{transform:translateY(-2px);border-color:#c8aea4;box-shadow:0 12px 25px rgba(70,45,35,.08)}
.cover-stack span{font-size:.72rem;color:var(--gold);font-weight:800}
.cover-stack strong{font-size:1.06rem;color:var(--charcoal);margin:4px 0}
.cover-stack small{color:var(--muted);line-height:1.55}
.headline{padding-top:68px;padding-bottom:74px;border-top:1px solid var(--line)}
.headline-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.headline-main{display:grid;grid-template-columns:.85fr 1.15fr;min-height:320px;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden}
.headline-main img{width:100%;height:100%;object-fit:cover}
.headline-main>div{padding:28px}
.headline-main h3{font-size:1.55rem;line-height:1.3;margin:10px 0;color:var(--charcoal)}
.headline-main p{color:var(--muted)}
.headline-main a{font-weight:700;color:var(--brick)}
.headline-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.headline-list a{display:grid;grid-template-columns:85px 1fr;column-gap:14px;align-items:start;padding:17px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.headline-list span{grid-row:1/3;color:var(--brick);font-size:.78rem;font-weight:700}
.headline-list strong{color:var(--charcoal)}
.headline-list small{margin-top:4px;color:var(--muted);line-height:1.55}
.warm-band{padding:72px 0;background:var(--soft)}
.media-strip{display:grid;grid-template-columns:1.15fr .9fr .9fr 1.05fr;gap:18px}
.media-strip article{min-width:0}
.media-strip img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;margin-bottom:14px}
.media-strip span{font-size:.75rem;color:var(--brick);font-weight:700}
.media-strip h3{font-size:1.15rem;line-height:1.35;margin:4px 0 8px}
.media-strip p{font-size:.89rem;color:var(--muted);margin:0 0 8px}
.media-strip a{font-size:.88rem;font-weight:700;color:var(--brick)}
.device-band{display:grid;grid-template-columns:.7fr 1.25fr .75fr;gap:34px;align-items:center;padding-top:78px;padding-bottom:78px}
.device-band>img{width:100%;max-height:360px;object-fit:cover;border-radius:30px}
.device-band h2{font-size:clamp(1.7rem,3vw,2.65rem);line-height:1.18;margin:4px 0 14px;color:var(--charcoal)}
.device-band p{color:var(--muted)}
.device-band aside{padding:23px;background:#fff;border:1px solid var(--line);border-radius:20px}
.device-band aside strong{color:var(--brick)}
.device-band aside ol{padding-left:20px;margin:12px 0 0}
.device-band aside li+li{margin-top:9px}
.mosaic{padding-top:70px;padding-bottom:82px}
.mosaic-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:minmax(230px,auto) minmax(220px,auto);gap:18px}
.mosaic-grid>a{position:relative;overflow:hidden;border-radius:22px;text-decoration:none;background:#fff;border:1px solid var(--line)}
.mosaic-grid img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.mosaic-grid>a:hover img{transform:scale(1.02)}
.mosaic-grid>a>div{padding:20px}
.mosaic-grid span{font-size:.75rem;color:var(--brick);font-weight:800}
.mosaic-grid h3{margin:4px 0 4px;line-height:1.35;color:var(--charcoal)}
.mosaic-grid p{margin:5px 0;color:var(--muted)}
.mosaic-large{grid-row:1/3;display:grid;grid-template-rows:1.35fr .65fr}
.mosaic-wide{grid-column:2/4;display:grid;grid-template-columns:1.1fr .9fr}
.text-tile{display:flex;align-items:end;background:var(--soft)!important}
.dark-band{background:var(--charcoal);padding:76px 0;color:#f4eee9}
.section-heading.invert h2{color:#fff}
.section-heading.invert>p{color:#cbbfb8}
.dark-band .eyebrow{color:#e0b27a}
.topic-row{display:grid;grid-template-columns:1.15fr .85fr .85fr 1.15fr;gap:12px}
.topic-row a{padding:20px;border:1px solid rgba(255,255,255,.17);border-radius:18px;text-decoration:none;background:rgba(255,255,255,.025)}
.topic-row a:hover{color:#fff;border-color:#d9a15b;background:rgba(217,161,91,.08)}
.topic-row strong{display:block;margin-bottom:7px;color:#fff}
.topic-row small{display:block;color:#cbbfb8;line-height:1.6}
.guide-preview{display:grid;grid-template-columns:.9fr .95fr 1.05fr;gap:34px;align-items:center;padding-top:84px;padding-bottom:84px}
.guide-image{position:relative}
.guide-image img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:24px}
.guide-image span{position:absolute;left:18px;right:18px;bottom:16px;padding:10px 12px;border-radius:12px;background:rgba(36,31,29,.82);color:#fff;font-size:.84rem}
.guide-preview h2{font-size:2rem;line-height:1.25;margin:4px 0 12px}
.guide-preview p{color:var(--muted)}
.guide-list{border-top:1px solid var(--line)}
.guide-list>div{padding:14px 0;border-bottom:1px solid var(--line)}
.guide-list strong{color:var(--charcoal)}
.guide-list p{font-size:.88rem;margin:4px 0 0}
.compact-index{padding-top:50px;padding-bottom:90px}
.index-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:22px;border-top:1px solid var(--line)}
.index-columns>div{display:flex;flex-direction:column;gap:8px}
.index-columns strong{margin-bottom:4px;color:var(--charcoal)}
.index-columns a{color:var(--muted)}
.page-hero{padding-top:54px;padding-bottom:38px}
.page-hero.narrow{max-width:900px;margin-left:auto;margin-right:auto}
.page-hero h1{font-size:clamp(2.1rem,4.5vw,4rem);line-height:1.08;margin:8px 0 16px;letter-spacing:-.035em;color:var(--charcoal)}
.page-hero .lead{max-width:820px}
.breadcrumbs{width:min(var(--max),calc(100% - 36px));margin:22px auto 0;font-size:.82rem;color:var(--muted)}
.breadcrumbs ol{display:flex;gap:7px;list-style:none;padding:0;margin:0;flex-wrap:wrap}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:7px;color:#b5aaa2}
.breadcrumbs a{text-decoration:none}
.intro-band{padding:30px 0 60px}
.intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:start}
.intro-grid img{width:100%;max-height:420px;object-fit:cover;border-radius:28px}
.prose{max-width:820px}
.prose h2{font-size:1.55rem;line-height:1.3;margin:2.2em 0 .7em;color:var(--charcoal)}
.prose h3{font-size:1.18rem;margin:1.7em 0 .45em;color:var(--charcoal)}
.prose p,.prose li{color:#504844}
.prose ul,.prose ol{padding-left:1.35em}
.prose a{color:var(--brick);font-weight:650}
.prose blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--gold);background:var(--soft);border-radius:0 14px 14px 0;color:#5f554f}
.prose .note{padding:18px 20px;background:#fff7ef;border:1px solid #ead2bd;border-radius:16px}
.content-shell{width:min(900px,calc(100% - 36px));margin:0 auto;padding-bottom:80px}
.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:46px;align-items:start}
.reading-main{min-width:0}
.reading-aside{position:sticky;top:105px;padding:18px;border:1px solid var(--line);background:#fff;border-radius:18px}
.reading-aside strong{display:block;margin-bottom:8px;color:var(--charcoal)}
.reading-aside a{display:block;padding:7px 0;color:var(--muted);font-size:.88rem}
.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 26px;color:var(--muted);font-size:.8rem}
.meta-row span{padding:4px 9px;background:var(--soft);border-radius:999px}
.content-list{padding-bottom:78px}
.list-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:15px 0 22px;border-top:1px solid var(--line)}
.filter-links{display:flex;gap:8px;flex-wrap:wrap}
.filter-links a{padding:6px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.82rem;color:var(--muted)}
.filter-links a:hover,.filter-links a[aria-current="page"]{border-color:var(--brick);color:var(--brick);background:#fff}
.editorial-list{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}
.editorial-item{display:grid;grid-template-columns:148px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.editorial-item:nth-child(1),.editorial-item:nth-child(2){border-top:0}
.editorial-item img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px}
.editorial-item h2,.editorial-item h3{font-size:1.16rem;line-height:1.35;margin:3px 0 7px;color:var(--charcoal)}
.editorial-item p{font-size:.88rem;color:var(--muted);margin:0 0 7px}
.editorial-item a{font-size:.86rem;color:var(--brick);font-weight:700}
.feature-split{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;padding:0 0 52px}
.feature-panel{position:relative;min-height:400px;border-radius:26px;overflow:hidden;background:var(--charcoal);color:#fff}
.feature-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.64}
.feature-panel::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(36,31,29,.92))}
.feature-panel>div{position:absolute;z-index:2;left:26px;right:26px;bottom:24px}
.feature-panel h2{font-size:2rem;line-height:1.22;margin:6px 0}
.feature-panel p{max-width:620px;color:#e7ded9}
.feature-panel a{color:#fff;font-weight:700}
.side-stack{display:flex;flex-direction:column;gap:12px}
.side-stack a{flex:1;padding:20px;border:1px solid var(--line);background:#fff;border-radius:18px;text-decoration:none}
.side-stack strong{display:block;margin:5px 0;color:var(--charcoal)}
.side-stack small{color:var(--muted);line-height:1.55}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding-bottom:70px}
.info-panel{padding:26px;background:#fff;border:1px solid var(--line);border-radius:22px}
.info-panel h2,.info-panel h3{margin-top:0;color:var(--charcoal)}
.info-panel p{color:var(--muted)}
.info-panel ul{padding-left:20px}
.info-panel li+li{margin-top:8px}
.step-list{counter-reset:step;display:grid;gap:18px;padding:0 0 80px}
.step-item{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--line)}
.step-item::before{counter-increment:step;content:counter(step,decimal-leading-zero);width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--brick);color:#fff;font-weight:800}
.step-item h2,.step-item h3{margin:0 0 5px;line-height:1.35;color:var(--charcoal)}
.step-item p{margin:0;color:var(--muted)}
.topic-index{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding-bottom:82px}
.topic-block{scroll-margin-top:110px;padding:26px;border:1px solid var(--line);border-radius:22px;background:#fff}
.topic-block:nth-child(3n){background:var(--soft)}
.topic-block img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:16px;margin-bottom:18px}
.topic-block h2{font-size:1.45rem;line-height:1.3;margin:0 0 8px;color:var(--charcoal)}
.topic-block p{color:var(--muted)}
.topic-block a{color:var(--brick);font-weight:700}
.faq-list{max-width:900px;margin:0 auto;padding:0 0 86px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:transparent;padding:20px 0;color:var(--charcoal);font-weight:800}
.faq-question::after{content:"+";font-size:1.35rem;color:var(--brick)}
.faq-item.open .faq-question::after{content:"−"}
.faq-answer{padding:0 42px 20px 0;color:var(--muted)}
.faq-answer[hidden]{display:none!important}
.search-page{padding-bottom:80px}
.search-box-inline{padding:18px;background:var(--soft);border-radius:18px;margin-bottom:32px}
.search-box-inline form{display:flex;gap:10px}
.search-box-inline input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 13px}
.search-box-inline button{border:0;border-radius:12px;background:var(--brick);color:#fff;padding:0 20px;font-weight:700}
.search-results{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.search-result{padding:22px;border:1px solid var(--line);background:#fff;border-radius:18px}
.search-result span{font-size:.75rem;color:var(--brick);font-weight:700}
.search-result h2{font-size:1.1rem;line-height:1.4;margin:6px 0}
.search-result p{color:var(--muted);font-size:.89rem}
.empty-state{padding:34px;border:1px dashed #baa99e;border-radius:18px;background:var(--soft)}
.empty-state h2{margin-top:0}
.contact-form{max-width:760px;display:grid;gap:16px;padding-bottom:80px}
.field label{display:block;margin-bottom:6px;font-weight:700}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px 13px;outline:none}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(169,80,63,.12)}
.contact-form button{justify-self:start;border:0;background:var(--brick);color:#fff;padding:11px 20px;border-radius:999px;font-weight:700}
.notice-success,.notice-error{padding:14px 16px;border-radius:14px;margin-bottom:20px}
.notice-success{background:#eef4e8;border:1px solid #c9d7bb}
.notice-error{background:#fff0ec;border:1px solid #e4c0b7}
.error-page{text-align:center;padding-top:80px;padding-bottom:100px}
.error-code{font-size:clamp(5rem,16vw,10rem);line-height:1;font-weight:900;color:#dbcac0;letter-spacing:-.08em}
.error-page h1{font-size:2.2rem;margin:12px 0}
.error-page p{max-width:650px;margin:0 auto 26px;color:var(--muted)}
.search-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding:9vh 20px 20px}
.search-modal[hidden]{display:none!important}
.search-backdrop{position:absolute;inset:0;background:rgba(36,31,29,.66)}
.search-panel{position:relative;z-index:1;width:min(680px,100%);padding:30px;border-radius:24px;background:var(--paper);box-shadow:0 30px 80px rgba(0,0,0,.28)}
.search-panel h2{margin:5px 0 18px;font-size:1.7rem}
.search-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.35rem;line-height:1}
.search-panel label{display:block;margin-bottom:7px;font-weight:700}
.search-row{display:flex;gap:9px}
.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:11px 13px}
.search-row button{border:0;background:var(--brick);color:#fff;border-radius:12px;padding:0 18px;font-weight:700}
.search-hint{font-size:.84rem;color:var(--muted);margin-bottom:0}
.site-footer{background:#e7ddd5;border-top:1px solid #d1c5bc;padding:58px 0 28px}
.footer-inner{width:min(var(--max),calc(100% - 36px));margin:auto;display:grid;grid-template-columns:1.35fr repeat(3,.65fr);gap:38px}
.footer-brand strong{display:block;font-size:1.15rem;color:var(--charcoal)}
.footer-brand p{max-width:390px;color:var(--muted);font-size:.9rem}
.footer-col{display:flex;flex-direction:column;gap:7px}
.footer-col strong{margin-bottom:4px;color:var(--charcoal)}
.footer-col a{font-size:.88rem;color:var(--muted)}
.footer-bottom{width:min(var(--max),calc(100% - 36px));margin:38px auto 0;padding-top:20px;border-top:1px solid #cfc2b9;display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:.78rem}
.back-top{position:fixed;right:20px;bottom:20px;z-index:50;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--brick);box-shadow:0 8px 22px rgba(50,35,29,.12);display:grid;place-items:center;text-decoration:none;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
@media (max-width:1180px){
  .header-inner{gap:12px}
  .primary-nav a{padding:9px 8px;font-size:.86rem}
  .cover{grid-template-columns:1.25fr .85fr}.cover-stack{grid-column:1/3;display:grid;grid-template-columns:repeat(3,1fr)}
  .cover-stack a{min-height:140px}
  .media-strip{grid-template-columns:1fr 1fr}
  .device-band{grid-template-columns:.8fr 1.2fr}.device-band aside{grid-column:1/3;display:grid;grid-template-columns:180px 1fr;align-items:start}
  .topic-row{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .menu-toggle{display:inline-flex;margin-left:auto}
  .primary-nav{display:none;position:absolute;left:18px;right:18px;top:72px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .primary-nav.open{display:flex}
  .primary-nav a{padding:10px 12px}
  .search-trigger{margin-left:0}
  .cover{grid-template-columns:1fr 1fr}.cover-copy{grid-column:1/3;padding-right:0}.cover-visual{min-height:430px}
  .headline-layout{grid-template-columns:1fr}.headline-main{min-height:300px}
  .mosaic-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}.mosaic-large{grid-row:auto;display:grid}.mosaic-wide{grid-column:1/3}
  .guide-preview{grid-template-columns:1fr 1fr}.guide-list{grid-column:1/3}
  .footer-inner{grid-template-columns:1.2fr 1fr 1fr}.footer-col:last-child{grid-column:2/4}
}
@media (max-width:768px){
  .section-shell,.header-inner,.breadcrumbs,.footer-inner,.footer-bottom{width:min(100% - 28px,var(--max))}
  .header-inner{min-height:68px}.brand small{display:none}.brand{min-width:auto}.search-trigger{font-size:0;padding:8px 11px}.search-trigger::after{content:"搜索";font-size:.84rem}
  .cover{display:block;padding-top:30px}.cover-copy h1{font-size:clamp(2.25rem,12vw,3.6rem)}.cover-visual{min-height:380px;margin-top:28px}.cover-stack{display:grid;grid-template-columns:1fr;margin-top:14px}.cover-stack a{min-height:0}
  .section-heading{display:block}.section-heading>p{margin-top:10px}.headline-main{grid-template-columns:1fr}.headline-main img{aspect-ratio:16/9}.headline-list a{grid-template-columns:70px 1fr}
  .media-strip{grid-template-columns:1fr 1fr}
  .device-band{grid-template-columns:1fr;padding-top:60px;padding-bottom:60px}.device-band>img{max-height:330px}.device-band aside{grid-column:auto;display:block}
  .mosaic-grid{display:grid;grid-template-columns:1fr}.mosaic-wide{grid-column:auto;grid-template-columns:1fr}.mosaic-wide img{aspect-ratio:16/9}.mosaic-large img{aspect-ratio:4/3}
  .topic-row{grid-template-columns:1fr 1fr}.guide-preview{grid-template-columns:1fr}.guide-list{grid-column:auto}.index-columns{grid-template-columns:1fr;gap:24px}
  .intro-grid,.feature-split,.two-column,.reading-layout{grid-template-columns:1fr}.reading-aside{position:static}.editorial-list{grid-template-columns:1fr}.editorial-item:nth-child(2){border-top:1px solid var(--line)}
  .topic-index{grid-template-columns:1fr}.search-results{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-col:last-child{grid-column:auto}.footer-bottom{display:block}
}
@media (max-width:600px){
  body{font-size:15px}.site-header{position:relative}.header-inner{flex-wrap:wrap;padding:10px 0}.menu-toggle{margin-left:auto}.primary-nav{top:66px}.search-trigger{order:4;margin-left:auto}
  .cover{padding-bottom:46px}.cover-search>div,.search-row,.search-box-inline form{flex-direction:column}.cover-search button,.search-row button,.search-box-inline button{min-height:43px}.entry-links{align-items:flex-start;flex-direction:column}
  .cover-visual{min-height:330px}.headline{padding-top:52px;padding-bottom:56px}.headline-main>div{padding:20px}
  .media-strip{grid-template-columns:1fr}.media-strip img{aspect-ratio:16/9}
  .warm-band,.dark-band{padding:56px 0}.mosaic{padding-top:54px;padding-bottom:58px}.topic-row{grid-template-columns:1fr}.guide-preview{padding-top:60px;padding-bottom:60px}.compact-index{padding-bottom:66px}
  .page-hero{padding-top:38px}.page-hero h1{font-size:2.25rem}.editorial-item{grid-template-columns:112px 1fr;gap:13px}.feature-panel{min-height:340px}.feature-panel h2{font-size:1.55rem}.info-panel{padding:20px}.step-item{grid-template-columns:48px 1fr;gap:14px}.step-item::before{width:40px;height:40px}
  .footer-inner{grid-template-columns:1fr}.footer-brand,.footer-col:last-child{grid-column:auto}.search-panel{padding:24px 18px}.back-top{right:14px;bottom:14px}
}
@media (max-width:375px){
  .section-shell,.header-inner,.breadcrumbs,.footer-inner,.footer-bottom{width:calc(100% - 22px)}
  .brand img{width:40px;height:40px}.brand strong{font-size:.96rem}.menu-toggle{padding:7px 10px}.cover-copy h1{font-size:2.15rem}.cover-visual{min-height:300px}.editorial-item{grid-template-columns:1fr}.editorial-item img{aspect-ratio:16/9}.footer-bottom{font-size:.72rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
/* Footer uses a compact four-column editorial index rather than repeated card modules. */
.footer-grid{width:min(var(--max),calc(100% - 36px));margin:auto;display:grid;grid-template-columns:1.35fr repeat(3,.65fr);gap:38px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:7px}
.footer-grid>div>strong{margin-bottom:4px;color:var(--charcoal)}
.footer-grid>div>a{font-size:.88rem;color:var(--muted)}
.footer-brand{display:flex;align-items:flex-start;gap:12px}
.footer-brand img{flex:0 0 auto;border-radius:12px}
.footer-brand p{margin:5px 0 0}
@media (max-width:1024px){.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:768px){.footer-grid{width:min(100% - 28px,var(--max));grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-grid>div:last-child{grid-column:auto}}
@media (max-width:600px){.footer-grid{width:calc(100% - 28px);grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-grid>div:last-child{grid-column:auto}}
@media (max-width:375px){.footer-grid{width:calc(100% - 22px)}}

/* Inner-page editorial system */
.page-shell{width:min(var(--max),calc(100% - 36px));margin:0 auto;padding-bottom:88px}
.page-shell>.breadcrumbs,.reading-shell>.breadcrumbs{width:100%;margin-left:0;margin-right:0}
.page-intro{max-width:900px;padding:42px 0 44px}
.page-intro h1,.category-hero h1,.device-hero h1,.guide-hero h1,.faq-hero h1,.prose-article>header h1{margin:7px 0 16px;color:var(--charcoal);font-size:clamp(2.15rem,4.5vw,4rem);line-height:1.08;letter-spacing:-.035em}
.page-intro>p:last-child,.category-hero p,.device-hero p,.guide-hero p,.faq-hero p{max-width:820px;color:var(--muted);font-size:1.02rem}
.reading-shell{width:min(930px,calc(100% - 36px));margin:0 auto;padding-bottom:88px}
.reading-shell.wide-reading{width:min(1080px,calc(100% - 36px))}
.prose-article{max-width:790px;margin:0 auto;padding-top:36px}
.prose-article>header{margin-bottom:28px}
.prose-article>header .lead{font-size:1.05rem;color:var(--muted)}
.prose-article>figure{margin:28px 0 40px}
.prose-article>figure img{width:100%;max-height:520px;object-fit:cover;border-radius:26px;background:var(--soft)}
.prose-article>figure figcaption{margin-top:10px;color:var(--muted);font-size:.82rem}
.prose-article>h2{margin:2.2em 0 .7em;color:var(--charcoal);font-size:1.55rem;line-height:1.3}
.prose-article>h3{margin:1.7em 0 .6em;color:var(--charcoal);font-size:1.18rem}
.prose-article>p,.prose-article>ul,.prose-article>ol{color:#504844}
.prose-list{padding-left:1.3em}
.prose-list li+li{margin-top:9px}
.status-line{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.status-line span{padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:.78rem}
.reading-callout{margin:34px 0;padding:22px 24px;border-left:4px solid var(--gold);background:var(--soft);border-radius:0 18px 18px 0}
.reading-callout strong{color:var(--charcoal)}
.reading-callout p{margin:5px 0 10px;color:var(--muted)}
.reading-callout a{display:inline-block;margin:4px 18px 0 0;color:var(--brick);font-weight:700}
.reading-related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 30px}
.reading-related a{display:flex;flex-direction:column;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none}
.reading-related span{font-size:.72rem;color:var(--brick);font-weight:700}
.reading-related strong{margin:4px 0;color:var(--charcoal)}
.reading-related small{color:var(--muted);line-height:1.55}
.article-footer{display:flex;gap:12px;flex-wrap:wrap;margin-top:42px;padding-top:20px;border-top:1px solid var(--line)}
.article-footer a{color:var(--brick);font-weight:700}
.category-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;padding:38px 0 42px}
.category-hero img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:15px 0 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:50px}
.filter-bar span{margin-right:8px;color:var(--muted);font-size:.82rem}
.filter-bar a{padding:7px 12px;border-radius:999px;text-decoration:none;color:var(--muted);font-size:.86rem}
.filter-bar a:hover,.filter-bar a[aria-current="page"]{background:var(--soft);color:var(--brick)}
.category-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start;padding-bottom:54px}
.category-feature h2{margin:4px 0 12px;font-size:2rem;line-height:1.25;color:var(--charcoal)}
.category-feature p{color:var(--muted)}
.category-feature aside{padding:22px 24px;background:var(--soft);border-radius:20px;border:1px solid #e3d8cf}
.category-feature aside strong{color:var(--brick)}
.category-feature aside p{margin-bottom:0;font-size:.9rem}
.vertical-cards{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-bottom:60px}
.vertical-cards article{display:grid;grid-template-columns:230px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--line)}
.vertical-cards img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}
.vertical-cards h3{margin:5px 0 8px;font-size:1.45rem;line-height:1.3;color:var(--charcoal)}
.vertical-cards p{margin:6px 0;color:var(--muted)}
.vertical-cards .note{font-size:.85rem;color:#8b7e76}
.vertical-cards a{color:var(--brick);font-weight:700}
.item-meta{display:flex;align-items:center;gap:10px}
.item-meta span{padding:3px 9px;border-radius:999px;background:#f0ded7;color:var(--brick);font-size:.72rem;font-weight:700}
.item-meta small{color:var(--muted)}
.wide-callout{display:flex;align-items:center;justify-content:space-between;gap:34px;margin:46px 0 56px;padding:28px 30px;background:var(--charcoal);color:#f6efeb;border-radius:24px}
.wide-callout h2{margin:4px 0 6px;color:#fff;line-height:1.3}
.wide-callout p{margin:0;max-width:760px;color:#cfc2bb}
.wide-callout .eyebrow{color:#e4b77d}
.wide-callout .primary-link{flex:0 0 auto;background:var(--accent)}
.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding-top:24px;border-top:1px solid var(--line);margin-top:44px}
.related-links h2{grid-column:1/3;margin:0 0 8px;font-size:1.35rem;color:var(--charcoal)}
.related-links a{padding:13px 15px;border-radius:13px;background:var(--soft);text-decoration:none;color:#554b46}
.related-links a:hover{background:#e8ddd4;color:var(--brick)}
.editorial-split{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch;margin-bottom:72px}
.editorial-feature{position:relative;overflow:hidden;min-height:500px;padding:32px;border-radius:28px;background:var(--charcoal);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
.editorial-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.58}
.editorial-feature::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(36,31,29,.96))}
.editorial-feature>*:not(img){position:relative;z-index:2}
.editorial-feature h2{max-width:640px;margin:0 0 10px;font-size:2rem;line-height:1.25;color:#fff}
.editorial-feature p{max-width:640px;color:#eee4df}
.editorial-feature .primary-link{align-self:flex-start;background:var(--accent)}
.decision-list{padding:8px 0 0}
.decision-list h2{font-size:1.35rem;margin:0 0 14px;color:var(--charcoal)}
.decision-list a{display:block;padding:17px 6px;border-top:1px solid var(--line);text-decoration:none}
.decision-list a:last-child{border-bottom:1px solid var(--line)}
.decision-list strong{display:block;color:var(--charcoal)}
.decision-list span{display:block;margin-top:3px;color:var(--muted);font-size:.87rem}
.mixed-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:70px}
.mixed-item{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff}
.mixed-item img{width:100%;height:100%;min-height:150px;object-fit:cover;border-radius:14px}
.mixed-item span{font-size:.73rem;color:var(--brick);font-weight:700}
.mixed-item h3{font-size:1.15rem;line-height:1.35;margin:4px 0 6px;color:var(--charcoal)}
.mixed-item p{margin:0 0 6px;color:var(--muted);font-size:.88rem}
.mixed-item small{display:block;color:#91857e;margin-bottom:7px}
.mixed-item a{color:var(--brick);font-size:.86rem;font-weight:700}
.mixed-item.featured-item{grid-column:1/3;grid-template-columns:.95fr 1.05fr;padding:0;overflow:hidden}
.mixed-item.featured-item img{min-height:310px;border-radius:0}
.mixed-item.featured-item>div{padding:28px;align-self:center}
.mixed-item.featured-item h3{font-size:1.75rem}
.two-column-note{display:grid;grid-template-columns:1fr .9fr;gap:30px;align-items:center;margin:20px 0 62px;padding:28px;background:var(--soft);border-radius:26px}
.two-column-note h2{font-size:1.8rem;line-height:1.3;margin:4px 0 10px}
.two-column-note p{color:var(--muted)}
.two-column-note a{color:var(--brick);font-weight:700}
.two-column-note img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px}
.device-hero{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;padding:38px 0 66px}
.device-visuals{display:grid;grid-template-columns:1.15fr .85fr;gap:12px;align-items:end}
.device-visuals img{width:100%;object-fit:cover;border-radius:24px;background:var(--soft)}
.device-visuals img:first-child{aspect-ratio:4/5}
.device-visuals img:last-child{aspect-ratio:4/3;margin-bottom:28px}
.comparison-section{padding:10px 0 72px}
.comparison-table{border-top:2px solid var(--charcoal)}
.compare-row{display:grid;grid-template-columns:.65fr 1.35fr 1.2fr;gap:20px;padding:16px 10px;border-bottom:1px solid var(--line);align-items:start}
.compare-row span,.compare-row strong{min-width:0}
.compare-row span{color:var(--muted)}
.compare-head{font-size:.8rem;font-weight:800;color:var(--charcoal);background:var(--soft)}
.compare-head span{color:var(--charcoal)}
.steps-section{padding:0 0 70px}
.steps-section>h2{font-size:1.8rem;color:var(--charcoal)}
.number-steps{list-style:none;padding:0;margin:20px 0 0;counter-reset:none}
.number-steps li{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.number-steps li:last-child{border-bottom:1px solid var(--line)}
.number-steps li>span{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--brick);color:#fff;font-weight:800}
.number-steps h3{margin:0 0 5px;color:var(--charcoal)}
.number-steps p{margin:0;color:var(--muted)}
.wide-image-note{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;margin:12px 0 72px}
.wide-image-note img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px}
.wide-image-note h2{font-size:1.85rem;line-height:1.28;margin:5px 0 10px}
.wide-image-note p{color:var(--muted)}
.wide-image-note a{color:var(--brick);font-weight:700}
.troubleshoot{padding-bottom:58px}
.troubleshoot>h2{font-size:1.8rem;color:var(--charcoal)}
.two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.two-col-list>div{padding:20px;border:1px solid var(--line);border-radius:17px;background:#fff}
.two-col-list h3{margin:0 0 5px;color:var(--charcoal)}
.two-col-list p{margin:0;color:var(--muted);font-size:.9rem}
.guide-hero,.faq-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:38px 0 64px}
.guide-hero img,.faq-hero img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:28px}
.guide-timeline{padding:0 0 70px}
.guide-timeline>h2{font-size:1.8rem;color:var(--charcoal);margin-bottom:18px}
.guide-timeline article{display:grid;grid-template-columns:58px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.guide-timeline article:last-child{border-bottom:1px solid var(--line)}
.guide-timeline article>span{font-weight:900;font-size:1.3rem;color:var(--gold)}
.guide-timeline h3{margin:0 0 5px;color:var(--charcoal)}
.guide-timeline p{margin:0;color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 66px}
.scenario-grid article{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.scenario-grid strong{display:block;color:var(--charcoal);font-size:1.05rem}
.scenario-grid p{color:var(--muted);font-size:.9rem}
.scenario-grid a{color:var(--brick);font-weight:700;font-size:.86rem}
.article-index{margin-bottom:66px}
.article-index>a{display:grid;grid-template-columns:110px 1fr;column-gap:18px;padding:16px 4px;border-top:1px solid var(--line);text-decoration:none}
.article-index>a:last-child{border-bottom:1px solid var(--line)}
.article-index>a span{grid-row:1/3;color:var(--brick);font-size:.77rem;font-weight:700}
.article-index>a strong{color:var(--charcoal)}
.article-index>a small{margin-top:3px;color:var(--muted);line-height:1.55}
.topic-intro{max-width:940px}
.topic-stack{display:flex;flex-direction:column;gap:70px;padding:10px 0 60px}
.topic-feature{scroll-margin-top:110px;display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.topic-feature.reverse{direction:rtl}
.topic-feature.reverse>*{direction:ltr}
.topic-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:26px}
.topic-feature h2{font-size:1.9rem;line-height:1.28;margin:5px 0 10px;color:var(--charcoal)}
.topic-feature p,.topic-feature li{color:var(--muted)}
.topic-feature ul{padding-left:1.2em}
.topic-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.topic-links a{color:var(--brick);font-weight:700}
.index-section{padding:0 0 56px}
.index-section>h2{font-size:1.65rem;margin-bottom:14px;color:var(--charcoal)}
.dense-index{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);column-gap:30px}
.dense-index>a{display:grid;grid-template-columns:110px 1fr;column-gap:13px;padding:16px 2px;border-bottom:1px solid var(--line);text-decoration:none}
.dense-index>a span{grid-row:1/3;font-size:.74rem;color:var(--brick);font-weight:700}
.dense-index>a strong{color:var(--charcoal)}
.dense-index>a small{margin-top:4px;color:var(--muted);line-height:1.5}
.dense-index.two>a{grid-template-columns:1fr}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{position:relative;list-style:none;padding:19px 44px 19px 0;color:var(--charcoal);font-weight:800;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:16px;color:var(--brick);font-size:1.4rem}
.faq-list details[open] summary::after{content:"−"}
.faq-list details>div{padding:0 44px 19px 0;color:var(--muted)}
.faq-list details p{margin:0}
.feedback-template{margin:18px 0 30px;padding:18px 20px;border:1px solid var(--line);background:var(--soft);border-radius:16px}
.feedback-template p{margin:6px 0!important}
.inline-search{display:flex;gap:10px;max-width:700px;margin-top:20px}
.inline-search input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px 13px;outline:none}
.inline-search input:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(169,80,63,.12)}
.inline-search button{border:0;border-radius:12px;background:var(--brick);color:#fff;padding:0 20px;font-weight:700}
.search-page .empty-state{display:grid;grid-template-columns:220px 1fr;column-gap:28px;align-items:center;padding:28px;margin-bottom:40px}
.search-page .empty-state img{grid-row:1/5;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:15px}
.search-page .empty-state h2{margin:0 0 5px}
.search-page .empty-state p{margin:0 0 10px;color:var(--muted)}
.search-results{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.search-results>.section-heading{grid-column:1/3}
.search-results>a{display:flex;flex-direction:column;padding:18px;border:1px solid var(--line);background:#fff;border-radius:16px;text-decoration:none}
.search-results>a span{font-size:.72rem;color:var(--brick);font-weight:700}
.search-results>a strong{margin:4px 0;color:var(--charcoal)}
.search-results>a small{color:var(--muted);line-height:1.55}
.not-found{display:grid;grid-template-columns:.45fr 1fr;gap:40px;align-items:center;min-height:62vh;padding-top:70px;padding-bottom:90px}
.not-found .error-code{font-size:clamp(6rem,15vw,11rem);font-weight:900;line-height:.8;letter-spacing:-.08em;color:#ddcdc4}
.not-found h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;margin:5px 0 12px;color:var(--charcoal)}
.not-found p{max-width:680px;color:var(--muted)}
@media (max-width:1024px){
  .mixed-list{grid-template-columns:1fr}.mixed-item.featured-item{grid-column:auto}
  .scenario-grid{grid-template-columns:1fr 1fr}.scenario-grid article:last-child{grid-column:1/3}
  .dense-index{grid-template-columns:1fr}
}
@media (max-width:768px){
  .page-shell,.reading-shell,.reading-shell.wide-reading{width:min(100% - 28px,var(--max))}
  .category-hero,.category-feature,.editorial-split,.device-hero,.guide-hero,.faq-hero,.topic-feature,.wide-image-note,.two-column-note{grid-template-columns:1fr}
  .category-hero img,.guide-hero img,.faq-hero img{aspect-ratio:16/9}
  .editorial-feature{min-height:420px}
  .mixed-item.featured-item{grid-template-columns:1fr}.mixed-item.featured-item img{min-height:0;aspect-ratio:16/9}
  .device-visuals{max-width:620px}.compare-row{grid-template-columns:.7fr 1.3fr}.compare-row>*:last-child{grid-column:2}
  .topic-feature.reverse{direction:ltr}.topic-stack{gap:48px}
  .reading-related{grid-template-columns:1fr}.related-links{grid-template-columns:1fr}.related-links h2{grid-column:auto}
  .scenario-grid{grid-template-columns:1fr}.scenario-grid article:last-child{grid-column:auto}
  .dense-index>a{grid-template-columns:95px 1fr}
  .search-page .empty-state{grid-template-columns:1fr}.search-page .empty-state img{grid-row:auto;max-width:360px;margin-bottom:18px}.search-results{grid-template-columns:1fr}.search-results>.section-heading{grid-column:auto}
  .not-found{grid-template-columns:1fr;gap:18px;min-height:55vh}.not-found .error-code{font-size:7rem}
}
@media (max-width:600px){
  .page-shell,.reading-shell,.reading-shell.wide-reading{width:calc(100% - 28px)}
  .page-intro,.category-hero,.device-hero,.guide-hero,.faq-hero{padding-top:30px}
  .vertical-cards article,.mixed-item{grid-template-columns:1fr}.vertical-cards img,.mixed-item img{aspect-ratio:16/9;min-height:0}
  .wide-callout{align-items:flex-start;flex-direction:column;padding:23px}
  .two-col-list{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr;gap:4px}.compare-row>*:last-child{grid-column:auto}.compare-head{display:none}
  .device-visuals{grid-template-columns:1fr 1fr}.article-index>a,.dense-index>a{grid-template-columns:1fr}.article-index>a span,.dense-index>a span{grid-row:auto;margin-bottom:2px}
  .reading-callout{padding:18px}.inline-search{flex-direction:column}.inline-search button{min-height:43px}
}
@media (max-width:375px){
  .page-shell,.reading-shell,.reading-shell.wide-reading{width:calc(100% - 22px)}
  .device-visuals{grid-template-columns:1fr}.device-visuals img:last-child{margin-bottom:0}
}