/* Core visual system */
:root{
    --brick:#A9503F;
    --gold:#D9A15B;
    --charcoal:#241F1D;
    --paper:#F8F5F1;
    --paper-2:#EFE8E1;
    --text:#332E2B;
    --muted:#746B65;
    --accent:#E07A3F;
    --white:#FFFDFC;
    --line:#D8CEC6;
    --shadow:0 20px 50px rgba(60,43,35,.10);
    --radius:22px;
    --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--charcoal);color:#fff;padding:10px 14px;z-index:1000;border-radius:8px}.skip-link:focus{top:12px}
.section-shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.reading-shell{width:min(calc(100% - 40px),820px);margin-inline:auto}
.wide-band{width:100%;padding:74px 0}.warm-band{background:var(--paper-2)}.soft-band{background:#F2ECE6}
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,245,241,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(100,80,70,.12)}
.header-shell{width:min(calc(100% - 32px),1240px);margin:auto;min-height:76px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:max-content}.brand img{width:48px;height:48px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;line-height:1.2}.brand-copy strong{font-size:1.05rem}.brand-copy small{color:var(--muted);margin-top:4px;font-size:.76rem}
.primary-nav{display:flex;gap:18px;margin-left:auto;align-items:center}.primary-nav a{text-decoration:none;font-size:.94rem;color:#4C433E;padding:26px 0 22px;border-bottom:3px solid transparent}.primary-nav a:hover,.primary-nav a:focus{color:var(--brick);border-color:var(--brick)}
.menu-toggle{display:none}.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:999px;padding:9px 14px;color:var(--text)}.search-open:hover{border-color:var(--brick);color:var(--brick)}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:200;background:rgba(36,31,29,.64);display:grid;place-items:start center;padding:12vh 20px 30px}.search-dialog{position:relative;width:min(680px,100%);background:var(--paper);border-radius:26px;padding:34px;box-shadow:var(--shadow)}.search-dialog h2{margin:0 0 6px;font-size:1.75rem}.search-dialog p{margin:0 0 22px;color:var(--muted)}.search-close{position:absolute;right:18px;top:16px;border:0;background:transparent;font-size:2rem;line-height:1;color:var(--muted)}.search-form label,.hero-search label{display:block;font-weight:700;margin-bottom:8px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 15px;color:var(--text);outline:none}.search-row input:focus{border-color:var(--brick);box-shadow:0 0 0 3px rgba(169,80,63,.12)}.search-row button{border:0;border-radius:14px;padding:12px 18px;background:var(--brick);color:#fff;font-weight:700}
main{min-height:60vh}.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brick);font-weight:800;margin:0 0 12px}.lead{font-size:1.12rem;color:#514843;max-width:760px}.section-heading{margin-bottom:30px}.section-heading.compact{margin-bottom:20px}.section-heading h2,.page-intro h1,.split-intro h1,.device-hero h1,.guide-cover h1,.faq-cover h1,.policy-cover h1,.article-header h1,.error-page h1,.about-cover h1,.search-page-head h1{font-family:Georgia,"Songti SC",serif;line-height:1.2;letter-spacing:-.02em;margin:0}.section-heading h2{font-size:clamp(1.75rem,3vw,2.65rem);max-width:820px}.section-heading p:last-child{color:var(--muted);max-width:760px}.text-link{color:var(--brick);font-weight:750}.button-link{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;text-decoration:none;border-radius:999px;padding:12px 20px;font-weight:800;box-shadow:0 8px 24px rgba(224,122,63,.20)}.button-link.light{background:#F7EEE7;color:var(--charcoal)}
.cover-stage{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:46px;padding:56px 0 66px;align-items:center}.cover-copy h1{font:700 clamp(2.45rem,5.4vw,5.2rem)/1.02 Georgia,"Songti SC",serif;letter-spacing:-.045em;margin:0 0 24px;max-width:820px}.cover-copy .lead{font-size:1.16rem}.hero-search{margin:28px 0}.cover-art{margin:0;position:relative}.cover-art img{aspect-ratio:4/3;object-fit:cover;border-radius:50% 50% 18px 18px;box-shadow:var(--shadow)}.cover-art figcaption{font-size:.86rem;color:var(--muted);margin-top:10px}.entry-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}.entry-strip a{display:flex;flex-direction:column;gap:4px;text-decoration:none;border-top:2px solid var(--line);padding:14px 6px 4px}.entry-strip a:hover{border-color:var(--brick)}.entry-strip strong{font-size:.95rem}.entry-strip span{font-size:.78rem;color:var(--muted)}
.headline-flow{padding:44px 0 70px}.lead-story{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.lead-story img{width:100%;height:100%;min-height:360px;object-fit:cover}.lead-story>div{padding:34px 34px 34px 0;align-self:center}.lead-story h3{font:700 2rem/1.2 Georgia,"Songti SC",serif;margin:10px 0}.meta-pill{display:inline-block;font-size:.75rem;border:1px solid rgba(169,80,63,.28);background:#F9EFEC;color:var(--brick);padding:5px 10px;border-radius:999px}.mini-headlines{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-top:1px solid var(--line);margin-top:28px}.mini-headlines article{padding:24px 28px 8px 0}.mini-headlines article+article{border-left:1px solid var(--line);padding-left:28px}.mini-headlines h3{font-size:1.08rem;margin:4px 0}.mini-headlines h3 a{text-decoration:none}.mini-headlines p:last-child{font-size:.92rem;color:var(--muted)}.item-kicker{display:block;color:var(--brick);font-size:.76rem;font-weight:800;letter-spacing:.04em;margin-bottom:4px}
.horizontal-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,30%);overflow-x:auto;gap:16px;padding:8px 2px 20px;scroll-snap-type:x proximity}.strip-item{scroll-snap-align:start;text-decoration:none;display:grid;gap:8px}.strip-item img{aspect-ratio:3/2;width:100%;object-fit:cover;border-radius:16px}.strip-item strong{font-size:1rem;line-height:1.4}.standalone{display:inline-block;margin-top:8px}
.device-ribbon{margin:76px auto;display:grid;grid-template-columns:.84fr 1.16fr;gap:50px;align-items:center;background:var(--charcoal);color:#F8F2ED;border-radius:30px;padding:48px}.device-ribbon .eyebrow{color:#F0B26E}.device-ribbon p:not(.eyebrow){color:#D9CFCA}.device-ribbon h2{font:700 clamp(2rem,4vw,3.3rem)/1.08 Georgia,"Songti SC",serif;margin:0 0 18px}.device-visuals{display:flex;align-items:end;gap:14px}.device-visuals img:first-child{width:68%;border-radius:18px}.device-visuals img:last-child{width:31%;border-radius:28px 28px 14px 14px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.mosaic-section{padding:40px 0 80px}.mosaic-grid{display:grid;grid-template-columns:1.35fr .65fr;grid-auto-rows:auto;gap:16px}.mosaic-card{display:grid;grid-template-columns:150px 1fr;gap:18px;background:var(--white);border-radius:18px;overflow:hidden;min-height:170px}.mosaic-card img{width:100%;height:100%;object-fit:cover}.mosaic-copy{padding:20px 20px 20px 0}.mosaic-copy h3{margin:8px 0 6px;font-size:1.12rem;line-height:1.35}.mosaic-copy h3 a{text-decoration:none}.mosaic-copy p{font-size:.88rem;color:var(--muted);margin:0}.mosaic-large{grid-row:span 2;display:block}.mosaic-large img{height:340px}.mosaic-large .mosaic-copy{padding:24px}.mosaic-large h3{font:700 1.65rem/1.25 Georgia,"Songti SC",serif}
.topic-insert{padding:72px 0}.dark-insert{background:var(--charcoal);color:#F7F0EB}.topic-insert-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center}.topic-insert h2{font:700 clamp(2rem,4vw,3.2rem)/1.08 Georgia,"Songti SC",serif;margin:0 0 16px}.topic-insert p:not(.eyebrow){color:#D5CAC4}.topic-insert img{border-radius:22px;max-height:460px;width:100%;object-fit:cover}
.two-column-list{padding:76px 0}.list-columns{display:grid;grid-template-columns:1fr 1fr;gap:46px}.list-columns h3{font-size:1rem;color:var(--muted);margin:0 0 8px}.list-row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none}.list-row span{font-size:.8rem;color:var(--brick)}.list-row strong{font-size:1rem}.list-row:hover strong{color:var(--brick)}
.brand-note{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;background:var(--paper-2);border-radius:26px;padding:38px;margin-bottom:76px}.brand-note h2{font:700 2rem/1.2 Georgia,"Songti SC",serif;margin:0 0 12px}.brand-note img{border-radius:18px;max-height:320px;width:100%;object-fit:cover}.compact-index{padding-bottom:80px}.index-lines{border-top:1px solid var(--line)}.index-lines a{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none}.index-lines a:hover strong{color:var(--brick)}.index-lines span{color:var(--muted)}
.page-top{padding:34px 0 30px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0 0 28px;padding:0;color:var(--muted);font-size:.84rem}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#B1A59D}.breadcrumbs a{text-decoration:none}.page-intro h1,.split-intro h1{font-size:clamp(2.2rem,4.8vw,4.6rem);max-width:900px}.split-intro{display:grid;grid-template-columns:1fr .72fr;gap:36px;align-items:center}.split-intro img{border-radius:24px;aspect-ratio:3/2;object-fit:cover}
.filter-panel{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:30px}.filter-panel a{text-decoration:none;border:1px solid var(--line);background:var(--white);padding:8px 15px;border-radius:999px}.filter-panel a.active{background:var(--brick);color:#fff;border-color:var(--brick)}.featured-mix{padding:28px 0 70px}.content-stream{border-top:1px solid var(--line)}.stream-item{display:grid;grid-template-columns:280px 1fr;gap:28px;padding:28px 0;border-bottom:1px solid var(--line)}.stream-item img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px}.stream-item h3{font:700 1.45rem/1.28 Georgia,"Songti SC",serif;margin:4px 0}.stream-item h3 a{text-decoration:none}.stream-item p{color:var(--muted)}.method-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}.method-grid h2{font:700 2.3rem/1.2 Georgia,"Songti SC",serif;margin:0 0 14px}.number-list{list-style:none;counter-reset:method;margin:0;padding:0}.number-list li{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.number-list li strong{color:var(--brick)}.related-cta{margin:70px auto;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:28px 32px;background:var(--charcoal);color:#fff;border-radius:20px}.related-cta h2{margin:0 0 4px;font-size:1.4rem}.related-cta p{margin:0;color:#D8CECA}.related-cta .button-link{flex:0 0 auto}
.device-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}.device-hero h1{font-size:clamp(2.2rem,4.5vw,4.5rem)}.device-jump{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.device-jump a{padding:10px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.device-stack{display:flex;align-items:end}.device-stack img:first-child{width:72%;border-radius:22px}.device-stack img:last-child{width:32%;margin-left:-7%;border-radius:26px;box-shadow:var(--shadow)}.device-comparison{padding:64px 0}.comparison-table{border-top:1px solid var(--line)}.comparison-row{display:grid;grid-template-columns:.6fr 1.15fr 1.25fr;gap:20px;padding:18px 8px;border-bottom:1px solid var(--line)}.comparison-row.heading{font-size:.82rem;color:var(--muted);font-weight:700}.download-note{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.download-note img{border-radius:22px}.download-note h2{font:700 2.35rem/1.2 Georgia,"Songti SC",serif;margin:0 0 14px}.step-section{padding:72px 0}.step-cards{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0;margin:0}.step-cards li{background:var(--white);padding:24px;border-radius:18px;border-top:4px solid var(--gold)}.step-cards span{font:700 2rem Georgia,serif;color:#C7B7AC}.step-cards strong{display:block;margin:16px 0 8px}.step-cards p{font-size:.9rem;color:var(--muted)}
.topic-row{padding:48px 0}.topic-row:nth-of-type(even){background:var(--paper-2)}.topic-row-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}.topic-row.reverse .topic-row-inner>img{order:2}.topic-row img{border-radius:22px;aspect-ratio:5/3;object-fit:cover}.topic-row h2{font:700 2.2rem/1.2 Georgia,"Songti SC",serif;margin:10px 0}.topic-links{list-style:none;margin:20px 0 0;padding:0}.topic-links li{padding:13px 0;border-top:1px solid var(--line)}.topic-links a{font-weight:800;text-decoration:none;display:block}.topic-links span{display:block;color:var(--muted);font-size:.86rem;margin-top:3px}.topic-row-dark{background:var(--charcoal)!important;color:#F7F1ED}.topic-row-dark .topic-links li{border-color:#554B46}.topic-row-dark .topic-links span{color:#D4C8C1}
.guide-cover,.faq-cover,.policy-cover,.about-cover,.search-page-head{display:grid;grid-template-columns:1fr .7fr;gap:40px;align-items:center}.guide-cover h1,.faq-cover h1,.policy-cover h1,.about-cover h1,.search-page-head h1{font-size:clamp(2.2rem,4.6vw,4.5rem)}.guide-cover img,.faq-cover img,.policy-cover img,.about-cover img,.search-page-head img{border-radius:24px;aspect-ratio:3/2;object-fit:cover}.guide-steps{padding:50px 0 80px}.guide-block{display:grid;grid-template-columns:90px 1fr;gap:28px;padding:28px 0;border-top:1px solid var(--line)}.guide-number{font:700 2.6rem Georgia,serif;color:#C7B8AF}.guide-block h3{font-size:1.4rem;margin:0 0 8px}.guide-block ol{margin:0;padding-left:22px}.guide-block li{margin:7px 0}.reference-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.reference-grid article{background:var(--white);border-radius:18px;padding:24px}.reference-grid h3{margin-top:0}.reference-grid p{color:var(--muted);font-size:.88rem}.reference-grid li{margin:6px 0}
.article-page{padding-bottom:30px}.article-header{text-align:left}.article-header h1{font-size:clamp(2.35rem,5vw,4.8rem);margin-bottom:20px}.article-deck{font-size:1.18rem;color:#554B46}.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.82rem;margin:20px 0}.article-header>img{width:100%;border-radius:22px;max-height:560px;object-fit:cover}.article-body{padding:24px 0}.article-body section{padding:22px 0;border-bottom:1px solid var(--line)}.article-body h2{font:700 1.75rem/1.3 Georgia,"Songti SC",serif;margin:0 0 12px}.article-body p{font-size:1.02rem;margin:12px 0}.article-next{background:var(--paper-2);border-radius:20px;padding:26px;margin-top:30px}.article-next h2{margin-top:0}.next-links{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.next-links a{color:var(--brick);font-weight:700}.related-reading{padding:50px 0 80px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-grid article{padding-top:18px;border-top:3px solid var(--gold)}.related-grid h3{font-size:1.08rem}.related-grid h3 a{text-decoration:none}.related-grid p{color:var(--muted);font-size:.9rem}
.search-page-form{margin-top:28px;max-width:760px}.search-results{padding:20px 0 80px}.results-summary{display:flex;align-items:baseline;gap:10px;margin-bottom:20px}.results-summary strong{font:700 3rem Georgia,serif;color:var(--brick)}.result-list{border-top:1px solid var(--line)}.result-list article{padding:22px 0;border-bottom:1px solid var(--line)}.result-list h2{font:700 1.45rem/1.3 Georgia,"Songti SC",serif;margin:4px 0}.result-list h2 a{text-decoration:none}.result-list p{color:var(--muted);max-width:820px}.empty-state{background:var(--paper-2);border-radius:22px;padding:40px}.empty-state h2{margin-top:0}
.faq-list{padding:30px 0 80px}.faq-list details{border-top:1px solid var(--line);padding:0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{font-weight:800;font-size:1.06rem;padding:20px 36px 20px 0;cursor:pointer;position:relative}.faq-list summary::marker{color:var(--brick)}.faq-list details div{padding:0 0 20px;max-width:860px;color:#554B46}
.prose-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:50px 0 70px}.prose-grid article{background:var(--white);padding:28px;border-radius:20px}.prose-grid h2{margin-top:0;font:700 1.55rem Georgia,"Songti SC",serif}.compact-about{margin-bottom:70px}.about-links{display:flex;gap:10px;flex-wrap:wrap}.about-links a{padding:9px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.policy-body{padding:32px 0 80px}.policy-body h2{font:700 1.65rem/1.3 Georgia,"Songti SC",serif;margin-top:34px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:44px 0 80px}.contact-grid article{background:var(--white);border-radius:18px;padding:28px}.contact-grid article:last-child{grid-column:1/-1}.contact-grid h2{margin-top:0}.contact-links{display:flex;gap:10px;flex-wrap:wrap}.contact-links a{border:1px solid var(--line);border-radius:999px;padding:8px 13px;text-decoration:none}
.error-page{min-height:64vh;display:grid;grid-template-columns:.45fr 1fr;align-items:center;gap:40px;padding:70px 0}.error-code{font:700 clamp(6rem,15vw,12rem)/.8 Georgia,serif;color:#D8C7BC}.error-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.error-links a{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:9px 14px;text-decoration:none}
.site-footer{background:var(--charcoal);color:#F0E9E4;padding:58px 0 24px}.footer-grid{width:min(calc(100% - 40px),var(--max));margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr .8fr;gap:36px}.footer-grid h2{font-size:1rem;margin:0 0 14px}.footer-grid p,.footer-grid a{color:#CFC4BE;font-size:.88rem}.footer-grid ul{list-style:none;margin:0;padding:0}.footer-grid li{margin:7px 0}.footer-bottom{width:min(calc(100% - 40px),var(--max));margin:34px auto 0;padding-top:18px;border-top:1px solid #4A423E;display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-bottom p{margin:0;color:#AFA29B;font-size:.8rem}.back-top{border:1px solid #5A514C;background:transparent;color:#E9E0DB;border-radius:999px;padding:8px 12px}
@media (max-width:1100px){.header-shell{gap:14px}.primary-nav{gap:11px}.primary-nav a{font-size:.87rem}.brand-copy small{display:none}.cover-stage{grid-template-columns:1fr .82fr}.entry-strip{grid-template-columns:1fr}.mosaic-grid{grid-template-columns:1fr 1fr}.step-cards{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}}
@media (max-width:900px){.site-header{position:relative}.menu-toggle{display:inline-flex;margin-left:auto}.primary-nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:14px;flex-direction:column;align-items:stretch}.primary-nav.open{display:flex}.primary-nav a{padding:10px 8px;border-bottom:1px solid var(--line)}.search-open{margin-left:0}.cover-stage,.lead-story,.device-ribbon,.topic-insert-inner,.split-intro,.device-hero,.download-note,.topic-row-inner,.guide-cover,.faq-cover,.policy-cover,.about-cover,.search-page-head{grid-template-columns:1fr}.cover-stage{padding-top:36px}.cover-art{max-width:700px}.lead-story>div{padding:24px}.mini-headlines{grid-template-columns:1fr}.mini-headlines article+article{border-left:0;border-top:1px solid var(--line);padding-left:0}.device-ribbon{border-radius:0;width:100%;padding:42px max(20px,calc((100vw - 760px)/2))}.mosaic-grid{grid-template-columns:1fr}.mosaic-large{grid-row:auto}.topic-row.reverse .topic-row-inner>img{order:0}.list-columns,.method-grid,.prose-grid{grid-template-columns:1fr}.stream-item{grid-template-columns:220px 1fr}.comparison-row{grid-template-columns:.6fr 1fr 1fr}.related-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:last-child{grid-column:auto}.contact-grid{grid-template-columns:1fr}.contact-grid article:last-child{grid-column:auto}}
@media (max-width:700px){.section-shell,.reading-shell{width:min(calc(100% - 28px),var(--max))}.header-shell{width:calc(100% - 20px);min-height:66px}.brand img{width:42px;height:42px}.brand-copy strong{font-size:.96rem}.search-open{padding:8px 11px}.cover-copy h1{font-size:2.65rem}.cover-art img{border-radius:28px}.search-row{flex-direction:column}.horizontal-strip{grid-auto-columns:78%}.device-ribbon{margin:40px 0}.device-visuals{align-items:center}.device-visuals img:first-child{width:70%}.device-visuals img:last-child{width:34%}.mosaic-card{grid-template-columns:110px 1fr}.mosaic-large{display:block}.list-row{grid-template-columns:1fr;gap:2px}.brand-note{grid-template-columns:1fr;padding:24px}.index-lines a{grid-template-columns:1fr;gap:4px}.stream-item{grid-template-columns:1fr}.stream-item img{max-height:260px}.number-list li{grid-template-columns:1fr;gap:4px}.related-cta{flex-direction:column;align-items:flex-start}.device-stack{justify-content:center}.comparison-row{grid-template-columns:1fr;padding:14px 0}.comparison-row.heading{display:none}.comparison-row span{display:block}.comparison-row span:before{display:block;font-size:.72rem;color:var(--muted);font-weight:700;margin-top:6px}.comparison-row span:nth-child(2):before{content:"优先检查"}.comparison-row span:nth-child(3):before{content:"适合做什么"}.step-cards{grid-template-columns:1fr}.reference-grid{grid-template-columns:1fr}.guide-block{grid-template-columns:58px 1fr}.related-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}.error-page{grid-template-columns:1fr;gap:18px}.error-code{font-size:7rem}.contact-grid{padding-top:22px}}
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