:root{
    --berry:#C85C7A;
    --peach:#E7B7A8;
    --ink:#2B2228;
    --paper:#FBF7F5;
    --soft:#F3E9E6;
    --text:#342F32;
    --muted:#746A6F;
    --gold:#D9913D;
    --line:#E6D9D6;
    --white:#FFFDFB;
    --shadow:0 20px 60px rgba(43,34,40,.09);
    --radius-lg:32px;
    --radius-md:20px;
    --radius-sm:12px;
    --shell:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.78;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--berry)}
button,input{font:inherit}
button{cursor:pointer}
figure{margin:0}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--soft);padding:.12em .35em;border-radius:6px;font-size:.94em}

.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}
.site-main{min-height:62vh}
.section-space{padding-block:92px}
.section-tint{background:#F7EFEC}
.section-soft{background:var(--soft)}
.section-dark{background:var(--ink);color:#FDF7F4}
.eyebrow{margin:0 0 14px;color:var(--berry);font-size:.78rem;line-height:1.2;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
.section-dark .eyebrow{color:var(--peach)}
.page-lead,.hero-lead,.article-deck{font-size:1.12rem;line-height:1.9;color:var(--muted)}
.section-dark .page-lead{color:#D8CBCF}
h1,h2,h3{font-family:Georgia,"Songti SC","STSong",serif;color:var(--ink);letter-spacing:-.025em;line-height:1.22;margin-top:0}
.section-dark h1,.section-dark h2,.section-dark h3{color:#FFF8F5}
h1{font-size:clamp(2.35rem,5vw,5.1rem);margin-bottom:24px}
h2{font-size:clamp(1.65rem,3vw,2.65rem);margin-bottom:20px}
h3{font-size:1.25rem;margin-bottom:10px}
p{margin-top:0}

.skip-link{position:fixed;left:18px;top:12px;z-index:9999;transform:translateY(-140%);background:var(--ink);color:white;padding:10px 14px;border-radius:8px}
.skip-link:focus{transform:translateY(0)}

.site-header{position:sticky;top:0;z-index:100;background:rgba(251,247,245,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,217,214,.8)}
.header-inner{min-height:86px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:26px}
.brand-mark{display:flex;align-items:center;gap:12px;min-width:190px}
.brand-mark img{width:48px;height:48px;object-fit:contain;border-radius:14px}
.brand-mark span{display:flex;flex-direction:column;line-height:1.2}
.brand-mark strong{font-family:Georgia,"Songti SC","STSong",serif;font-size:1.1rem}
.brand-mark small{margin-top:5px;color:var(--muted);font-size:.72rem;letter-spacing:.05em}
.primary-nav{display:flex;justify-content:center;align-items:center;gap:4px}
.primary-nav a{padding:10px 11px;border-radius:999px;font-size:.9rem;color:#50464B;white-space:nowrap}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--berry)}
.header-actions{display:flex;gap:8px}
.icon-button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 12px;color:var(--text);font-size:.82rem}
.icon-button:hover{border-color:var(--berry);color:var(--berry)}
.menu-trigger{display:none}

.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;inset:0;z-index:1000;background:rgba(43,34,40,.62);display:grid;place-items:center;padding:28px}
.search-dialog{position:relative;width:min(720px,100%);background:var(--paper);border-radius:30px;padding:48px;box-shadow:0 30px 90px rgba(0,0,0,.24)}
.search-dialog h2{font-size:2.2rem;margin-bottom:12px}
.search-dialog>p:not(.eyebrow){color:var(--muted)}
.search-close{position:absolute;right:24px;top:22px;border:0;background:transparent;color:var(--muted)}
.search-form label{display:block;font-size:.82rem;font-weight:700;margin-bottom:8px;color:var(--muted)}
.search-control{display:flex;gap:10px}
.search-control input{min-width:0;flex:1;border:1px solid var(--line);background:white;border-radius:14px;padding:14px 16px;outline:0;color:var(--text)}
.search-control input:focus{border-color:var(--berry);box-shadow:0 0 0 3px rgba(200,92,122,.12)}
.button{display:inline-flex;align-items:center;justify-content:center;border:0;background:var(--berry);color:white!important;border-radius:999px;padding:13px 20px;font-weight:750;line-height:1.25}
.button:hover{background:#AD4967;color:white}
.button.secondary{background:var(--ink)}
.button.secondary:hover{background:#463941}
.text-link{font-weight:750;color:var(--berry)}
.light-link{color:var(--peach)!important}
.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}

.breadcrumbs{width:min(calc(100% - 48px),var(--shell));margin:24px auto 0;color:var(--muted);font-size:.8rem}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#B9A9AE}
.breadcrumbs a:hover{text-decoration:underline}

.home-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:72px;align-items:center;padding-top:68px;padding-bottom:72px}
.home-hero h1{font-size:clamp(3rem,5.2vw,5.4rem);max-width:880px}
.hero-copy{padding-top:16px}
.hero-lead{max-width:760px}
.hero-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.hero-links a{display:flex;flex-direction:column;gap:4px;padding:19px 20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.46)}
.hero-links a:hover{border-color:var(--berry);transform:translateY(-2px)}
.hero-links span{font-size:.75rem;color:var(--muted)}
.hero-links strong{font-size:.96rem}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:-18px 26px 30px -22px;background:var(--soft);border-radius:46% 54% 54% 46% / 40% 45% 55% 60%;z-index:-1}
.hero-visual img{width:100%;aspect-ratio:1.25/1;object-fit:cover;border-radius:44px 16px 44px 16px;box-shadow:var(--shadow)}
.hero-visual figcaption{margin-top:13px;text-align:right;color:var(--muted);font-size:.78rem}

.section-heading{max-width:780px;margin-bottom:42px}
.section-heading>p:last-child{color:var(--muted)}
.split-heading{max-width:none;display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:end}
.split-heading>p{margin-bottom:4px}
.compact-heading{margin-bottom:28px}
.route-stack{border-top:1px solid var(--line)}
.route-item{display:grid;grid-template-columns:76px 1fr 52px;gap:24px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}
.route-number{font-family:Georgia,serif;font-size:1.45rem;color:var(--peach)}
.route-item h3{font-size:clamp(1.45rem,2.5vw,2.2rem);margin-bottom:8px}
.route-item p{max-width:850px;color:var(--muted);margin-bottom:0}
.route-arrow{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:1.3rem}
.route-item:hover .route-arrow{background:var(--berry);border-color:var(--berry);color:white}

.editorial-feature{padding-block:92px}
.editorial-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.8fr);gap:80px;align-items:center}
.editorial-grid figure img{width:100%;aspect-ratio:1.15/1;object-fit:cover;border-radius:18px 60px 18px 18px}
.editorial-copy>p:not(.eyebrow){color:var(--muted)}
.plain-list{list-style:none;padding:0;margin:32px 0 0;border-top:1px solid var(--line)}
.plain-list li{padding:18px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column}
.plain-list a{font-weight:800;font-size:1rem}
.plain-list span{margin-top:4px;color:var(--muted);font-size:.88rem}

.lead-and-list{display:grid;grid-template-columns:1.02fr .98fr;gap:54px}
.lead-story img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:28px}
.story-meta{font-size:.76rem;letter-spacing:.04em;color:var(--muted);margin:16px 0 8px}
.lead-story h3{font-size:2rem}
.lead-story>p:last-child{color:var(--muted)}
.story-list{border-top:1px solid var(--line)}
.story-list article{padding:20px 0;border-bottom:1px solid var(--line)}
.story-list h3{font-size:1.12rem;margin-bottom:6px}
.story-list p:last-child{font-size:.9rem;color:var(--muted);margin-bottom:0}

.topic-ribbon{background:var(--ink);color:#F7EEEE;padding-block:82px}
.topic-ribbon h2{color:#FFF8F5}
.topic-ribbon-inner{display:grid;grid-template-columns:.78fr 1.22fr;gap:82px;align-items:start}
.topic-ribbon-copy>p:not(.eyebrow){color:#CCBEC3}
.topic-ribbon-links{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid rgba(255,255,255,.14)}
.topic-ribbon-links a{padding:24px 26px;border-right:1px solid rgba(255,255,255,.14);min-height:210px;display:flex;flex-direction:column;justify-content:space-between}
.topic-ribbon-links a:hover{background:rgba(255,255,255,.05);color:white}
.topic-ribbon-links strong{font-family:Georgia,"Songti SC","STSong",serif;font-size:1.3rem;line-height:1.35}
.topic-ribbon-links span{color:#CDBFC4;font-size:.88rem}

.category-lines{border-top:1px solid var(--line)}
.category-lines article{display:grid;grid-template-columns:150px 1fr 80px;gap:28px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.category-lines img{width:150px;height:100px;object-fit:cover;border-radius:14px}
.category-lines h3{margin-bottom:5px}
.category-lines p{margin:0;color:var(--muted);font-size:.9rem;max-width:760px}
.category-lines article>a{text-align:right;font-weight:750;color:var(--berry)}

.home-utility{padding-block:88px}
.utility-layout{display:grid;grid-template-columns:1fr .8fr;gap:74px;align-items:center}
.utility-copy>p:not(.eyebrow){max-width:700px;color:var(--muted)}
.utility-layout figure img{width:100%;aspect-ratio:1.25/1;object-fit:cover;border-radius:42px 12px}
.home-brand-note{display:grid;grid-template-columns:1fr .75fr;gap:80px;align-items:center}
.brand-note-main p:last-child{color:var(--muted)}
.brand-note-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.brand-note-links a{padding:17px 0;border-bottom:1px solid var(--line);font-weight:750}
.home-faq{padding-block:92px}
.faq-preview{display:grid;grid-template-columns:.72fr 1.28fr;gap:90px}
.faq-preview>div:first-child>p:not(.eyebrow){color:#CDBFC4}
.faq-preview-list{border-top:1px solid rgba(255,255,255,.15)}
.faq-preview-list article{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.faq-preview-list h3{font-family:inherit;color:white;font-size:1rem;margin-bottom:6px}
.faq-preview-list p{color:#CDBFC4;font-size:.9rem;margin:0}

.intro-aside,.about-cover,.contact-hero,.safety-hero,.faq-hero,.guide-index-hero{display:grid;grid-template-columns:1.05fr .7fr;gap:76px;align-items:center;padding-top:62px}
.intro-aside h1,.about-cover h1,.contact-hero h1,.safety-hero h1,.faq-hero h1,.guide-index-hero h1{font-size:clamp(2.6rem,4.4vw,4.3rem)}
.portrait-visual img,.about-cover figure img,.contact-hero img,.safety-hero img,.faq-hero img,.guide-index-hero img{width:100%;aspect-ratio:1.1/1;object-fit:cover;border-radius:22px 54px 22px 22px}
.prose-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:90px;align-items:start}
.prose-main{font-size:1.02rem}
.prose-main h2{margin-top:46px;font-size:2rem}
.prose-main p{color:#4C4448}
.inline-callout{margin:34px 0;padding:24px 26px;border-left:4px solid var(--gold);background:var(--soft)}
.inline-callout p{margin:6px 0 0}
.side-index{position:sticky;top:116px;border-top:2px solid var(--ink)}
.side-index>.eyebrow{margin-top:20px}
.side-index a{display:flex;flex-direction:column;padding:17px 0;border-bottom:1px solid var(--line)}
.side-index strong{font-size:.98rem}
.side-index span{font-size:.82rem;color:var(--muted);margin-top:4px}
.reading-list{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.reading-list article{border-top:2px solid var(--ink);padding-top:16px}
.reading-list p:last-child{color:var(--muted);font-size:.9rem}
.two-column-list{grid-template-columns:repeat(3,1fr)}

.watch-cover{padding-top:54px}
.watch-title{max-width:950px}
.watch-title h1{font-size:clamp(2.8rem,5vw,4.8rem)}
.wide-visual{margin-top:40px}
.wide-visual img{width:100%;height:min(48vw,560px);object-fit:cover;border-radius:12px 46px 12px 46px}
.priority-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.priority-grid article{padding:30px 28px;border-right:1px solid var(--line)}
.priority-grid article:last-child{border-right:0}
.priority-grid span{font-family:Georgia,serif;color:var(--peach);font-size:1.3rem}
.priority-grid p{color:var(--muted);font-size:.92rem}
.priority-grid a{font-weight:750;color:var(--berry)}
.watch-stream{padding-block:84px}
.stream-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.stream-list{border-top:1px solid var(--line)}
.stream-row{display:grid;grid-template-columns:60px 1fr auto;gap:26px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.stream-index{font-family:Georgia,serif;color:#B9979F}
.stream-copy h3{font-size:1.3rem;margin-bottom:6px}
.stream-copy p:last-child{margin:0;color:var(--muted);font-size:.9rem}
.stream-row img{width:200px;height:132px;object-fit:cover;border-radius:12px}
.watch-context{display:grid;grid-template-columns:1fr .8fr;gap:84px;align-items:start}
.context-quote p:last-child{color:var(--muted)}
.context-links{border-top:1px solid var(--line);display:flex;flex-direction:column}
.context-links a{padding:17px 0;border-bottom:1px solid var(--line);font-weight:750}

.discover-intro{display:grid;grid-template-columns:1fr 400px;gap:70px;align-items:end;padding-top:54px}
.discover-intro h1{font-size:clamp(2.7rem,4.6vw,4.5rem)}
.discover-intro img{width:100%;height:300px;object-fit:cover;border-radius:28px 12px}
.category-switch{padding-top:48px}
.category-switch h2{font-family:inherit;font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;color:var(--muted)}
.tag-nav{display:flex;flex-wrap:wrap;gap:8px}
.tag-nav a{border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:.86rem;background:rgba(255,255,255,.4)}
.tag-nav a:hover,.tag-nav a[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:white}
.catalog-list{border-top:1px solid var(--line)}
.catalog-item{display:grid;grid-template-columns:56px 1fr auto;gap:26px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start}
.catalog-number{font-family:Georgia,serif;font-size:1.4rem;color:#B89CA4;padding-top:6px}
.catalog-copy h2{font-size:1.6rem;margin-bottom:8px}
.catalog-copy>p{color:var(--muted);max-width:760px}
.catalog-item img{width:240px;height:160px;object-fit:cover;border-radius:14px}
.mini-tags{display:flex;flex-wrap:wrap;gap:7px}
.mini-tags span{font-size:.72rem;border:1px solid var(--line);border-radius:999px;padding:5px 9px;color:var(--muted)}
.discover-bottom{padding-block:70px}
.discover-bottom-grid{display:grid;grid-template-columns:1fr auto;gap:50px;align-items:center}
.discover-bottom-grid>div:last-child{display:flex;gap:20px;align-items:center}
.empty-state{text-align:center;padding:54px;color:var(--muted)}
.rich-empty{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:center;text-align:left;background:var(--soft);border-radius:28px;padding:36px}
.rich-empty img{width:100%;height:220px;object-fit:cover;border-radius:16px}

.topic-cover{display:grid;grid-template-columns:1fr .75fr;gap:76px;align-items:center;padding-top:56px}
.topic-cover h1{font-size:clamp(2.7rem,4.8vw,4.6rem)}
.topic-cover figure img{width:100%;height:380px;object-fit:cover;border-radius:46px 14px}
.topic-sequences{display:flex;flex-direction:column;gap:82px}
.topic-sequence{display:grid;grid-template-columns:.8fr 1fr;gap:74px;align-items:center}
.topic-sequence.reverse{grid-template-columns:1fr .8fr}
.topic-sequence.reverse .topic-sequence-visual{order:2}
.topic-sequence-visual{position:relative}
.topic-sequence-visual img{width:100%;height:350px;object-fit:cover;border-radius:16px 42px}
.topic-sequence-visual span{position:absolute;right:18px;bottom:-20px;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:var(--berry);color:white;font-family:Georgia,serif;font-size:1.4rem}
.topic-sequence-copy>p{color:var(--muted)}
.topic-sequence-copy ol{margin:24px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.topic-sequence-copy li{border-bottom:1px solid var(--line)}
.topic-sequence-copy a{display:block;padding:14px 0;font-weight:750}
.topic-method{padding-block:82px}
.method-grid{display:grid;grid-template-columns:.8fr 1fr;gap:80px}
.method-grid>div:last-child p{color:#CDBFC4}

.app-intro{display:grid;grid-template-columns:1fr .9fr;gap:72px;align-items:center;padding-top:58px}
.app-intro h1{font-size:clamp(2.7rem,4.7vw,4.7rem)}
.device-visual{position:relative;min-height:530px}
.device-visual img:first-child{width:80%;height:470px;object-fit:cover;border-radius:40px 14px;position:absolute;right:0;top:0}
.device-visual img:last-child{width:46%;height:330px;object-fit:cover;border-radius:20px;position:absolute;left:0;bottom:0;border:8px solid var(--paper);box-shadow:var(--shadow)}
.app-columns{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.app-columns article{padding-top:20px;border-top:2px solid var(--ink)}
.app-columns p:not(.eyebrow){color:var(--muted)}
.app-steps{padding-block:84px}
.number-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.number-steps li{border-top:1px solid #CFBDBA;padding-top:18px}
.number-steps>li>span{font-family:Georgia,serif;font-size:1.3rem;color:var(--berry)}
.number-steps h3{font-family:inherit;font-size:1rem;margin:12px 0 6px}
.number-steps p{color:var(--muted);font-size:.88rem}
.inline-feature{display:grid;grid-template-columns:.8fr 1fr;gap:60px;align-items:center}
.inline-feature img{width:100%;height:330px;object-fit:cover;border-radius:14px 42px}
.inline-feature p:not(.eyebrow){color:var(--muted)}

.narrow-intro{max-width:920px;padding-top:68px}
.narrow-intro h1{font-size:clamp(2.7rem,4.8vw,4.6rem)}
.relation-table-wrap{display:flex;flex-direction:column}
.relation-row{display:grid;grid-template-columns:180px 1fr 220px;gap:28px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
.relation-row p{margin:0;color:var(--muted)}
.relation-row a{font-weight:750;color:var(--berry)}
.relation-head{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);border-top:2px solid var(--ink)}
.relation-note{padding-block:82px}
.relation-note-grid{display:grid;grid-template-columns:.85fr 1fr;gap:64px;align-items:center}
.relation-note-grid img{width:100%;height:360px;object-fit:cover;border-radius:28px 12px}
.relation-note-grid p:not(.eyebrow){color:var(--muted)}

.guide-directory{border-top:1px solid var(--line)}
.guide-row{display:grid;grid-template-columns:64px 1fr 48px;gap:24px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.guide-no{font-family:Georgia,serif;color:#B99DA5;font-size:1.25rem}
.guide-row h2{font-size:1.45rem;margin-bottom:5px}
.guide-row p{color:var(--muted);font-size:.92rem;margin:0}
.guide-foot{padding-block:72px}
.guide-foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.guide-foot-grid>div:last-child>p{color:var(--muted)}
.guide-detail{padding-top:54px;padding-bottom:90px}
.guide-detail-head{max-width:920px}
.guide-detail-head h1{font-size:clamp(2.7rem,4.5vw,4.4rem)}
.guide-detail-layout{display:grid;grid-template-columns:1fr 340px;gap:84px;margin-top:56px;align-items:start}
.vertical-steps{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.vertical-steps li{display:grid;grid-template-columns:68px 1fr;gap:18px;padding:22px 0;border-top:0;border-bottom:1px solid var(--line)}
.vertical-steps p{font-size:.98rem}
.guide-notes{background:var(--soft);padding:24px;border-radius:22px;position:sticky;top:116px}
.guide-notes img{width:100%;height:220px;object-fit:cover;border-radius:12px;margin-bottom:24px}
.guide-notes h2{font-size:1.35rem}
.guide-notes ul{padding-left:20px;color:var(--muted)}
.guide-notes li+li{margin-top:10px}

.article-page{padding-top:54px;padding-bottom:96px}
.article-head{max-width:980px;margin-inline:auto;text-align:center}
.article-head h1{font-size:clamp(2.75rem,4.6vw,4.7rem)}
.article-deck{max-width:780px;margin:0 auto 22px}
.article-head .mini-tags{justify-content:center}
.article-figure{max-width:1080px;margin:46px auto 0}
.article-figure img{width:100%;height:min(54vw,620px);object-fit:cover;border-radius:18px 48px}
.article-figure figcaption{text-align:right;color:var(--muted);font-size:.76rem;margin-top:9px}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 250px;gap:80px;justify-content:center;margin-top:64px}
.article-body{font-size:1.06rem}
.article-body p{margin-bottom:24px;color:#433B3F}
.article-body h2{margin:48px 0 18px;font-size:2rem}
.article-context{margin-top:44px;padding:24px 26px;background:var(--soft);border-radius:16px}
.article-context p{margin:5px 0 0;font-size:.94rem}
.article-aside{padding-top:18px;border-top:2px solid var(--ink);position:sticky;top:116px;align-self:start}
.article-aside h2{font-size:1.6rem}
.article-aside p{color:var(--muted);font-size:.9rem}
.article-next{display:grid;grid-template-columns:.6fr 1.4fr;gap:70px;margin-top:84px;padding-top:34px;border-top:2px solid var(--ink)}
.article-next-links,.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-next-links a,.related-list a{border:1px solid var(--line);border-radius:14px;padding:16px;font-weight:750}
.related-list a{display:flex;flex-direction:column;gap:6px}
.related-list span{font-size:.7rem;color:var(--muted);font-weight:600}

.faq-page{max-width:920px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:20px;padding:21px 0;font-weight:800;font-size:1.02rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span{font-family:Georgia,serif;color:#B5959E;font-weight:400}
.faq-item summary::after{content:"+";margin-left:auto;font-size:1.4rem;color:var(--berry)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 0 24px 48px;color:var(--muted)}
.faq-answer p{margin:0}
.faq-more{padding-block:72px}
.faq-more-grid{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:center}
.faq-more-grid>div:last-child{display:flex;gap:18px;align-items:center}

.manifesto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.manifesto-grid article{padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.manifesto-grid span{font-family:Georgia,serif;color:var(--peach);font-size:1.3rem}
.manifesto-grid h2{font-size:1.6rem;margin:16px 0 10px}
.manifesto-grid p{color:var(--muted);margin:0}
.about-bottom{padding-block:80px}
.about-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about-links a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15);font-weight:750;color:#F8ECEF}

.safety-checks{display:grid;grid-template-columns:1fr 1fr;gap:46px 70px}
.safety-checks article{border-top:2px solid var(--ink);padding-top:20px}
.safety-checks span{font-family:Georgia,serif;color:var(--berry);font-size:1.3rem}
.safety-checks h2{font-size:1.5rem;margin:12px 0 8px}
.safety-checks p{color:var(--muted)}
.safety-next{padding-block:72px}
.policy-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:84px;align-items:start}
.policy-main h2{font-size:1.7rem;margin-top:42px}
.policy-main h2:first-child{margin-top:0}
.policy-main p{color:#4B4247}
.policy-aside{position:sticky;top:116px;background:var(--soft);padding:22px;border-radius:22px}
.policy-aside img{width:100%;height:230px;object-fit:cover;border-radius:12px;margin-bottom:22px}
.policy-aside h2{font-size:1.3rem}
.policy-aside ul{padding-left:20px;color:var(--muted)}

.contact-layout{display:grid;grid-template-columns:1fr 360px;gap:80px;align-items:start}
.contact-checklist>h2{margin-bottom:28px}
.contact-checklist ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.contact-checklist li{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-checklist span{color:var(--muted)}
.contact-selfhelp{background:var(--ink);color:white;padding:30px;border-radius:24px}
.contact-selfhelp h2{color:white;font-size:1.6rem}
.contact-selfhelp a{display:flex;flex-direction:column;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.contact-selfhelp a:last-child{border-bottom:0}
.contact-selfhelp strong{color:white}
.contact-selfhelp span{color:#CDBFC4;font-size:.82rem;margin-top:3px}
.contact-note{padding-block:28px}
.contact-note p{margin:0;color:var(--muted)}

.search-page{padding-top:58px;padding-bottom:90px}
.search-page-head{max-width:900px}
.search-page-head h1{font-size:clamp(2.7rem,4.7vw,4.5rem)}
.large-search{margin-top:32px;max-width:720px}
.search-suggestions{margin-top:54px;padding-top:28px;border-top:1px solid var(--line)}
.search-suggestions h2{font-family:inherit;font-size:1rem}
.search-results{margin-top:54px;border-top:1px solid var(--line)}
.result-count{padding:18px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:.85rem}
.search-results article{padding:24px 0;border-bottom:1px solid var(--line)}
.search-results article>span{font-size:.72rem;color:var(--berry);font-weight:800}
.search-results h2{font-size:1.45rem;margin:7px 0}
.search-results p{margin:0;color:var(--muted)}
.error-panel{padding-block:130px;max-width:800px;text-align:center}
.error-panel .action-row{justify-content:center}
.error-panel h1{font-size:clamp(3rem,7vw,6rem)}

.site-footer{background:#221B20;color:#D7CACF;padding-top:72px}
.footer-main{display:grid;grid-template-columns:1.5fr repeat(3,.7fr);gap:56px;padding-bottom:50px}
.footer-brand{font-family:Georgia,"Songti SC","STSong",serif;color:white;font-size:1.6rem;font-weight:800}
.footer-intro>p{max-width:420px;margin:14px 0 24px;color:#AA9CA1;font-size:.9rem}
.footer-search label{display:block;font-size:.75rem;color:#998B90;margin-bottom:6px}
.footer-search>div{display:flex;max-width:390px;border-bottom:1px solid #4D4147}
.footer-search input{flex:1;min-width:0;border:0;background:transparent;color:white;padding:9px 0;outline:0}
.footer-search button{border:0;background:transparent;color:var(--peach);font-weight:750}
.footer-group h2{font-family:inherit;color:white;font-size:.86rem;letter-spacing:.05em;margin-bottom:14px}
.footer-group ul{list-style:none;padding:0;margin:0}
.footer-group li+li{margin-top:8px}
.footer-group a{font-size:.86rem;color:#AFA0A5}
.footer-group a:hover{color:white}
.footer-bottom{border-top:1px solid #3C3137;padding:20px 0 26px;display:flex;justify-content:space-between;gap:30px;font-size:.76rem;color:#8F8086}
.footer-bottom p{margin:0}
.back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--berry);box-shadow:var(--shadow);z-index:60}

@media (max-width:1200px){
    .primary-nav a{padding-inline:8px;font-size:.84rem}
    .home-hero{gap:46px;grid-template-columns:1fr .85fr}
    .topic-ribbon-inner{gap:50px}
    .topic-ribbon-links a{padding-inline:18px}
    .section-space{padding-block:80px}
}

@media (max-width:1024px){
    .header-inner{grid-template-columns:auto 1fr auto}
    .primary-nav{position:absolute;left:24px;right:24px;top:78px;display:none;flex-direction:column;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
    .primary-nav.is-open{display:flex}
    .primary-nav a{padding:11px 13px}
    .menu-trigger{display:block}
    .home-hero,.intro-aside,.about-cover,.contact-hero,.safety-hero,.faq-hero,.guide-index-hero,.app-intro,.topic-cover{grid-template-columns:1fr;gap:42px}
    .home-hero{padding-top:52px}
    .hero-visual{max-width:760px}
    .editorial-grid{grid-template-columns:1fr 1fr;gap:48px}
    .lead-and-list{gap:38px}
    .topic-ribbon-inner{grid-template-columns:1fr;gap:36px}
    .topic-ribbon-links{border-left:0;border-top:1px solid rgba(255,255,255,.14)}
    .topic-ribbon-links a:first-child{border-left:1px solid rgba(255,255,255,.14)}
    .utility-layout{gap:46px}
    .prose-grid,.guide-detail-layout,.policy-layout,.contact-layout{grid-template-columns:1fr 280px;gap:48px}
    .discover-intro{grid-template-columns:1fr 320px;gap:40px}
    .catalog-item img{width:190px;height:135px}
    .article-layout{grid-template-columns:minmax(0,650px) 220px;gap:50px}
    .article-next{grid-template-columns:1fr;gap:24px}
    .footer-main{grid-template-columns:1.3fr repeat(3,.7fr);gap:30px}
}

@media (max-width:768px){
    .shell,.breadcrumbs{width:min(calc(100% - 34px),var(--shell))}
    .header-inner{min-height:74px}
    .brand-mark{min-width:0}
    .brand-mark img{width:42px;height:42px}
    .brand-mark small{display:none}
    .search-trigger{display:none}
    .primary-nav{top:68px;left:17px;right:17px}
    .section-space{padding-block:64px}
    h1{font-size:clamp(2.35rem,9vw,3.7rem)}
    .page-lead,.hero-lead,.article-deck{font-size:1rem}
    .home-hero{padding-top:42px;padding-bottom:56px}
    .home-hero h1{font-size:clamp(2.6rem,10.6vw,4.2rem)}
    .hero-links{grid-template-columns:1fr}
    .hero-visual img{border-radius:28px 12px}
    .split-heading{grid-template-columns:1fr;gap:10px}
    .route-item{grid-template-columns:48px 1fr 40px;gap:14px}
    .editorial-feature{padding-block:64px}
    .editorial-grid{grid-template-columns:1fr;gap:34px}
    .lead-and-list{grid-template-columns:1fr;gap:34px}
    .topic-ribbon{padding-block:64px}
    .topic-ribbon-links{grid-template-columns:1fr}
    .topic-ribbon-links a,.topic-ribbon-links a:first-child{border:0;border-bottom:1px solid rgba(255,255,255,.14);min-height:0;padding:20px 0;gap:18px}
    .category-lines article{grid-template-columns:110px 1fr;gap:18px}
    .category-lines img{width:110px;height:84px}
    .category-lines article>a{grid-column:2;text-align:left}
    .utility-layout,.home-brand-note,.faq-preview,.prose-grid,.watch-context,.discover-intro,.discover-bottom-grid,.relation-note-grid,.guide-foot-grid,.guide-detail-layout,.article-layout,.policy-layout,.contact-layout,.method-grid{grid-template-columns:1fr;gap:36px}
    .faq-preview-list{margin-top:8px}
    .side-index,.guide-notes,.article-aside,.policy-aside{position:static}
    .reading-list,.two-column-list{grid-template-columns:1fr}
    .priority-grid{grid-template-columns:1fr}
    .priority-grid article{border-right:0;border-bottom:1px solid var(--line)}
    .priority-grid article:last-child{border-bottom:0}
    .stream-row{grid-template-columns:42px 1fr}
    .stream-row img{grid-column:2;width:100%;height:200px}
    .catalog-item{grid-template-columns:42px 1fr}
    .catalog-item img{grid-column:2;width:100%;height:220px}
    .topic-sequence,.topic-sequence.reverse{grid-template-columns:1fr;gap:32px}
    .topic-sequence.reverse .topic-sequence-visual{order:0}
    .device-visual{min-height:440px}
    .device-visual img:first-child{height:390px}
    .device-visual img:last-child{height:260px}
    .app-columns{grid-template-columns:1fr;gap:36px}
    .number-steps{grid-template-columns:1fr 1fr}
    .inline-feature{grid-template-columns:1fr;gap:28px}
    .relation-row{grid-template-columns:130px 1fr;gap:18px}
    .relation-row>a{grid-column:2}
    .relation-head span:last-child{display:none}
    .guide-index-hero img,.faq-hero img,.safety-hero img,.contact-hero img{max-width:620px}
    .article-head{text-align:left}
    .article-head .mini-tags{justify-content:flex-start}
    .article-figure img{height:380px}
    .article-next-links,.related-list{grid-template-columns:1fr}
    .faq-more-grid{grid-template-columns:1fr}
    .faq-more-grid>div:last-child{align-items:flex-start;flex-wrap:wrap}
    .manifesto-grid{grid-template-columns:1fr}
    .safety-checks{grid-template-columns:1fr;gap:30px}
    .about-links{grid-template-columns:1fr}
    .footer-main{grid-template-columns:1fr 1fr;gap:38px}
    .footer-intro{grid-column:1/-1}
}

@media (max-width:600px){
    .shell,.breadcrumbs{width:min(calc(100% - 28px),var(--shell))}
    .section-space{padding-block:54px}
    .search-dialog{padding:38px 24px 26px}
    .search-control{flex-direction:column}
    .search-control .button{width:100%}
    .route-item{grid-template-columns:1fr 36px}
    .route-number{display:none}
    .route-arrow{width:36px;height:36px}
    .section-heading{margin-bottom:30px}
    .category-lines article{grid-template-columns:1fr}
    .category-lines img{width:100%;height:200px}
    .category-lines article>a{grid-column:1}
    .stream-row{grid-template-columns:1fr}
    .stream-index{display:none}
    .stream-row img{grid-column:1}
    .catalog-item{grid-template-columns:1fr}
    .catalog-number{display:none}
    .catalog-item img{grid-column:1}
    .discover-intro img{height:230px}
    .number-steps{grid-template-columns:1fr}
    .relation-row,.relation-head{grid-template-columns:1fr}
    .relation-row>a{grid-column:1}
    .relation-head{display:none}
    .guide-row{grid-template-columns:44px 1fr 34px;gap:12px}
    .vertical-steps li{grid-template-columns:48px 1fr}
    .article-figure img{height:280px}
    .faq-answer{padding-left:0}
    .contact-checklist li{grid-template-columns:1fr;gap:5px}
    .rich-empty{grid-template-columns:1fr;padding:24px}
    .footer-main{grid-template-columns:1fr}
    .footer-intro{grid-column:auto}
    .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:375px){
    .brand-mark strong{font-size:1rem}
    .icon-button{padding:8px 10px}
    .header-actions{gap:5px}
    .home-hero h1{font-size:2.55rem}
    .hero-links a{padding:16px}
    .route-item h3{font-size:1.35rem}
    .device-visual{min-height:360px}
    .device-visual img:first-child{height:320px}
    .device-visual img:last-child{height:210px}
}