:root{
    --berry:#C85C7A;
    --peach:#E7B7A8;
    --ink:#2B2228;
    --paper:#FBF7F5;
    --paper-soft:#F3E9E6;
    --text:#342F32;
    --muted:#746A6F;
    --amber:#D9913D;
    --white:#fff;
    --line:rgba(43,34,40,.13);
    --line-strong:rgba(43,34,40,.22);
    --shadow:0 20px 60px rgba(58,36,48,.08);
    --radius-sm:14px;
    --radius-md:24px;
    --radius-lg:38px;
    --content:1180px;
    --reading:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;color:var(--text);background:var(--paper);
    font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
    line-height:1.75;-webkit-font-smoothing:antialiased
}
body.lock-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
p{margin:0 0 1rem}
h1,h2,h3{color:var(--ink);line-height:1.18;margin:0}
h1{font-size:clamp(2.4rem,5.5vw,5.6rem);letter-spacing:-.045em}
h2{font-size:clamp(1.7rem,3.1vw,3rem);letter-spacing:-.025em}
h3{font-size:clamp(1.1rem,1.8vw,1.45rem)}
ul,ol{margin:0;padding-left:1.25rem}
.skip-link{position:absolute;left:16px;top:-80px;z-index:1000;padding:.65rem 1rem;background:var(--ink);color:var(--white);border-radius:8px}
.skip-link:focus{top:16px}
.section-shell{width:min(var(--content),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(251,247,245,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(43,34,40,.08)}
.header-inner{width:min(1280px,calc(100% - 40px));min-height:76px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.brand-mark{display:flex;align-items:center;gap:12px;min-width:185px}
.brand-mark img{width:44px;height:44px;object-fit:contain;border-radius:12px}
.brand-copy{display:flex;flex-direction:column;line-height:1.25}
.brand-copy strong{font-size:1.08rem;color:var(--ink)}
.brand-copy small{font-size:.72rem;color:var(--muted);margin-top:3px}
.site-nav{display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}
.site-nav a{padding:.55rem .68rem;border-radius:999px;color:var(--muted);font-size:.92rem;transition:background .2s ease,color .2s ease}
.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--paper-soft);color:var(--ink)}
.search-open,.menu-toggle{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:.62rem .95rem}
.menu-toggle{display:none}
.search-modal{position:fixed;inset:0;z-index:500;background:rgba(43,34,40,.45);padding:6vh 20px;overflow:auto}
.search-modal[hidden]{display:none !important}
.search-panel{width:min(720px,100%);margin:7vh auto 0;background:var(--paper);border-radius:var(--radius-lg);padding:clamp(28px,5vw,54px);position:relative;box-shadow:0 40px 120px rgba(43,34,40,.28)}
.search-close{position:absolute;right:24px;top:24px;border:0;background:var(--paper-soft);color:var(--ink);padding:.5rem .8rem;border-radius:999px}
.search-panel h2{margin:.35rem 0 1.3rem}
.search-form label,.inline-search-form label,.search-page-form label{display:block;font-weight:700;color:var(--ink);margin-bottom:.45rem}
.search-row,.inline-search-form>div,.search-page-form>div{display:flex;gap:8px}
.search-row input,.inline-search-form input,.search-page-form input{width:100%;min-width:0;border:1px solid var(--line-strong);background:var(--white);border-radius:14px;padding:.82rem 1rem;outline:none}
.search-row input:focus,.inline-search-form input:focus,.search-page-form input:focus{border-color:var(--berry);box-shadow:0 0 0 3px rgba(200,92,122,.12)}
.search-row button,.inline-search-form button,.search-page-form button{white-space:nowrap;border:0;background:var(--berry);color:var(--white);border-radius:14px;padding:.82rem 1.1rem;font-weight:700}
.search-note{font-size:.88rem;color:var(--muted);margin:.8rem 0 0}
.eyebrow{margin:0 0 .75rem;color:var(--berry);font-weight:800;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase}
.mini-label{display:inline-block;color:var(--berry);font-size:.76rem;font-weight:800;letter-spacing:.08em;margin-bottom:.45rem}
.lead{font-size:clamp(1.06rem,1.6vw,1.25rem);color:var(--muted);max-width:780px}
.primary-link,.text-link,.arrow-link{display:inline-flex;align-items:center;justify-content:center;font-weight:800}
.primary-link{background:var(--berry);color:var(--white);border-radius:999px;padding:.78rem 1.15rem;box-shadow:0 10px 30px rgba(200,92,122,.18)}
.primary-link.warm{background:var(--amber)}
.text-link{color:var(--berry);gap:.35rem}
.text-link::after{content:"→"}
.text-link.light{color:var(--peach)}
.arrow-link{width:42px;height:42px;border:1px solid var(--line);border-radius:50%}
.section-heading{margin-bottom:30px;display:flex;flex-direction:column;gap:4px}
.section-heading.compact{max-width:760px}
.section-heading p{color:var(--muted);max-width:720px}
.section-heading.with-action{flex-direction:row;justify-content:space-between;align-items:end;gap:30px}
.home-cover{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:56px;align-items:center;padding-block:74px 88px}
.cover-intro{font-size:1.15rem;color:var(--muted);max-width:760px;margin:1.5rem 0}
.cover-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:1.5rem 0 2rem}
.cover-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0}
.cover-facts div{border-top:1px solid var(--line);padding-top:12px}
.cover-facts dt{font-size:.74rem;color:var(--muted);margin-bottom:4px}
.cover-facts dd{margin:0;color:var(--ink);font-weight:700}
.cover-visual{margin:0;position:relative;border-radius:48% 48% 30px 30px;overflow:hidden;background:var(--paper-soft);min-height:580px;box-shadow:var(--shadow)}
.cover-visual img{width:100%;height:100%;min-height:580px;object-fit:cover}
.cover-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(43,34,40,.42),transparent 46%)}
.cover-visual figcaption{position:absolute;z-index:2;left:28px;right:28px;bottom:24px;color:white;font-size:.9rem}
.intent-index{padding-block:70px;border-top:1px solid var(--line)}
.intent-list{border-top:1px solid var(--line)}
.intent-row{display:grid;grid-template-columns:70px minmax(240px,1.1fr) minmax(260px,1.35fr) auto;gap:24px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}
.intent-number{font-family:Georgia,serif;font-size:1.5rem;color:var(--peach)}
.intent-row h3{font-size:1.35rem}
.intent-row p{margin:0;color:var(--muted)}
.feature-split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:64px;align-items:center;padding-block:92px}
.feature-image-wrap{position:relative}
.feature-image-wrap img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:36px 140px 36px 36px}
.image-note{position:absolute;left:22px;bottom:22px;background:var(--paper);color:var(--ink);padding:.5rem .78rem;border-radius:999px;font-size:.76rem;font-weight:800}
.feature-copy>p{color:var(--muted)}
.editorial-points{list-style:none;padding:0;margin:1.6rem 0}
.editorial-points li{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:17px 0;border-top:1px solid var(--line)}
.editorial-points li:last-child{border-bottom:1px solid var(--line)}
.editorial-points span{color:var(--muted)}
.topic-ribbon{padding-block:88px}
.topic-ribbon-list{border-top:1px solid var(--line)}
.topic-ribbon-item{display:grid;grid-template-columns:130px 1fr 40px;gap:24px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:transform .2s ease}
.topic-ribbon-item:hover{transform:translateX(6px)}
.topic-ribbon-item img{width:130px;aspect-ratio:16/10;object-fit:cover;border-radius:16px}
.topic-ribbon-item p{margin:.35rem 0 0;color:var(--muted);max-width:740px}
.topic-ribbon-item>span{font-size:1.3rem;color:var(--berry)}
.brand-brief{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;padding-block:84px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.brand-brief-main p{color:var(--muted);max-width:700px}
.brand-brief-aside{background:var(--paper-soft);border-radius:var(--radius-md);padding:28px}
.brand-brief-aside ol{display:grid;gap:12px;color:var(--muted)}
.article-stream{padding-block:88px}
.article-stream-list{border-top:1px solid var(--line)}
.article-stream-row{display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.article-stream-row p{margin:.45rem 0 0;color:var(--muted);max-width:760px}
.mobile-band{background:var(--ink);color:var(--white);margin-block:24px}
.mobile-band-inner{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center;padding-block:74px}
.mobile-band h2{color:var(--white)}
.mobile-band-copy>p:not(.eyebrow){color:#d8ced3}
.mobile-visual-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mobile-visual-pair img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:22px}
.mobile-visual-pair img:last-child{transform:translateY(28px)}
.guide-preview{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center;padding-block:100px}
.guide-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:120px 30px 30px 30px}
.guide-mini-steps{margin:1.5rem 0}
.guide-mini-steps>div{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.guide-mini-steps>div:last-child{border-bottom:1px solid var(--line)}
.guide-mini-steps span{font-family:Georgia,serif;color:var(--berry)}
.guide-mini-steps p{margin:0;color:var(--muted)}
.guide-mini-steps strong{color:var(--ink);display:block;margin-bottom:4px}
.faq-preview{padding-block:70px 100px}
.faq-preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);margin-bottom:22px}
.faq-preview-grid article{padding:24px 28px 24px 0;border-bottom:1px solid var(--line)}
.faq-preview-grid article:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
.faq-preview-grid p{color:var(--muted);margin:.6rem 0 0}
.closing-path{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center;background:var(--paper-soft);padding:28px;border-radius:var(--radius-lg);margin-bottom:100px}
.closing-path img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:26px}
.closing-path p{color:var(--muted)}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.86rem;margin-bottom:28px}
.breadcrumb a:hover{color:var(--berry)}
.breadcrumb-sep{opacity:.45}
.inner-top{padding-top:42px}
.inner-hero.editorial{display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:end;padding-bottom:70px}
.inner-hero.editorial figure{margin:0}
.inner-hero.editorial figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px}
.inner-hero.editorial figcaption{font-size:.8rem;color:var(--muted);margin-top:8px}
.prose-grid{display:grid;grid-template-columns:minmax(0,var(--reading)) 300px;gap:70px;align-items:start;padding-block:40px 92px}
.prose-main h2{font-size:2rem;margin:2.5rem 0 .8rem}
.prose-main h2:first-child{margin-top:0}
.prose-main p{color:var(--muted);font-size:1.03rem}
.prose-main a{color:var(--berry);font-weight:700}
.numbered-notes{display:grid;gap:0;border-top:1px solid var(--line);margin:1.4rem 0}
.numbered-notes>div{display:grid;grid-template-columns:50px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.numbered-notes span{font-family:Georgia,serif;color:var(--berry)}
.numbered-notes p{margin:0}
.aside-panel{padding:24px;border:1px solid var(--line);border-radius:18px;margin-bottom:16px}
.aside-panel.muted{background:var(--paper-soft);border-color:transparent}
.aside-panel h3{margin-bottom:12px}
.aside-panel ul{color:var(--muted)}
.aside-panel a{display:block;padding:8px 0;color:var(--berry);font-weight:700}
.sticky-panel{position:sticky;top:105px}
.related-reading{padding-block:70px 90px;border-top:1px solid var(--line)}
.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-row>a{border:1px solid var(--line);border-radius:20px;padding:24px;min-height:230px;display:flex;flex-direction:column}
.related-row>a span{font-size:.75rem;color:var(--berry);font-weight:800}
.related-row>a strong{font-size:1.1rem;line-height:1.4;margin:.45rem 0}
.related-row>a p{color:var(--muted);font-size:.92rem;margin:0}
.watch-hero{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding-bottom:70px}
.watch-hero img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:32px 120px 32px 32px}
.watch-map{display:grid;grid-template-columns:340px 1fr;gap:58px;padding-block:80px;border-top:1px solid var(--line)}
.watch-map-list{border-top:1px solid var(--line)}
.watch-map-list a{display:grid;grid-template-columns:55px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.watch-map-list a>span{font-family:Georgia,serif;color:var(--berry)}
.watch-map-list p{margin:.3rem 0 0;color:var(--muted)}
.media-focus{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding-block:90px}
.media-focus-image img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:50% 50% 28px 28px}
.media-focus article p{color:var(--muted)}
.content-lanes{padding-block:70px 100px}
.content-lanes-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px}
.lane{background:var(--paper-soft);padding:14px;border-radius:22px}
.lane img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;margin-bottom:14px}
.lane span{font-weight:800;color:var(--ink)}
.lane p{color:var(--muted);font-size:.92rem;margin:.4rem 0 0}
.watch-note{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;padding:32px 0 90px;border-top:1px solid var(--line)}
.watch-note>p{color:var(--muted)}
.app-hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-bottom:80px}
.app-image-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.app-image-stack img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:22px}
.app-image-stack img:first-child{margin-top:44px}
.app-columns{display:grid;grid-template-columns:1fr 1fr;gap:0;padding-block:75px;border-top:1px solid var(--line)}
.app-columns article{padding-right:48px}
.app-columns article+article{padding-left:48px;padding-right:0;border-left:1px solid var(--line)}
.app-columns p{color:var(--muted)}
.mobile-checklist{padding-block:80px}
.checklist-row{display:grid;grid-template-columns:60px 280px 1fr;gap:20px;align-items:start;padding:22px 0;border-top:1px solid var(--line)}
.checklist-row:last-child{border-bottom:1px solid var(--line)}
.checklist-row>span{font-family:Georgia,serif;color:var(--berry);font-size:1.2rem}
.checklist-row p{color:var(--muted);margin:0}
.app-warning{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center;padding-block:80px}
.app-warning img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:32px}
.app-warning p{color:var(--muted)}
.inline-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.inline-links a{color:var(--berry);font-weight:800;border-bottom:1px solid rgba(200,92,122,.35)}
.topics-intro{padding-bottom:60px;max-width:920px}
.topic-ledger{border-top:1px solid var(--line);margin-bottom:90px}
.topic-ledger-row{display:grid;grid-template-columns:52px 220px 1fr auto;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.topic-ledger-index{font-family:Georgia,serif;color:var(--peach);font-size:1.3rem}
.topic-ledger-image img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px}
.topic-ledger-copy p{color:var(--muted);margin:.45rem 0}
.tag-line{display:flex;gap:7px;flex-wrap:wrap}
.tag-line span{background:var(--paper-soft);border-radius:999px;padding:.25rem .55rem;font-size:.74rem;color:var(--muted)}
.topic-method{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;padding-block:60px 100px;border-top:1px solid var(--line)}
.topic-method p{color:var(--muted)}
.topic-method a{color:var(--berry);font-weight:800}
.articles-intro{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:end;padding-bottom:60px}
.article-index{border-top:1px solid var(--line);margin-bottom:80px}
.article-index-row{display:grid;grid-template-columns:52px 120px 1fr auto;gap:22px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line)}
.article-index-no{font-family:Georgia,serif;color:var(--peach);font-size:1.2rem}
.article-index-meta{display:flex;flex-direction:column;gap:5px;font-size:.78rem;color:var(--muted)}
.article-index-copy p{color:var(--muted);margin:.45rem 0 .7rem}
.article-search-strip{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:42px;background:var(--paper-soft);border-radius:var(--radius-lg);margin-bottom:90px}
.article-head{padding-top:42px}
.article-head-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end;padding-bottom:62px}
.article-head-copy h1{font-size:clamp(2.3rem,4.5vw,4.7rem)}
.article-head-grid figure{margin:0}
.article-head-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:34px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.82rem;margin-top:18px}
.article-body-grid{display:grid;grid-template-columns:minmax(0,var(--reading)) 300px;gap:72px;align-items:start;padding-block:40px 90px}
.article-content section{margin-bottom:46px}
.article-content h2{font-size:2rem;margin-bottom:14px}
.article-content p{font-size:1.05rem;color:var(--muted);margin-bottom:1.1rem}
.article-aside p{font-size:.9rem;color:var(--muted)}
.aside-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}
.aside-tags span{background:var(--paper-soft);padding:.3rem .55rem;border-radius:999px;font-size:.75rem}
.guide-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding-bottom:72px}
.guide-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:34px}
.guide-timeline{padding-block:60px}
.guide-timeline article{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--line)}
.guide-timeline article:last-child{border-bottom:1px solid var(--line)}
.guide-timeline article>span{font-family:Georgia,serif;font-size:1.6rem;color:var(--peach)}
.guide-timeline p{color:var(--muted);margin:.45rem 0 0}
.troubleshooting{padding-block:75px}
.trouble-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:30px;border-top:1px solid var(--line)}
.trouble-grid article{padding:24px 30px 24px 0;border-bottom:1px solid var(--line)}
.trouble-grid article:nth-child(even){padding-left:30px;border-left:1px solid var(--line)}
.trouble-grid p{color:var(--muted)}
.guide-deep-link{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center;padding-block:70px 100px}
.guide-deep-link img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px 110px 30px 30px}
.guide-deep-link p{color:var(--muted)}
.faq-intro{padding-bottom:60px;max-width:900px}
.faq-list{border-top:1px solid var(--line);margin-bottom:70px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item button{width:100%;display:grid;grid-template-columns:52px 1fr 28px;gap:18px;align-items:center;text-align:left;border:0;background:transparent;padding:22px 0;color:var(--ink)}
.faq-item button span{font-family:Georgia,serif;color:var(--peach)}
.faq-item button i{font-style:normal;font-size:1.3rem;color:var(--berry);transition:transform .2s ease}
.faq-item button[aria-expanded="true"] i{transform:rotate(45deg)}
.faq-answer{padding:0 50px 22px 70px}
.faq-answer p{color:var(--muted);margin:0}
.faq-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-bottom:90px}
.faq-paths a{border:1px solid var(--line);padding:22px;border-radius:18px}
.faq-paths span{display:block;color:var(--berry);font-size:.75rem;font-weight:800;margin-bottom:8px}
.related-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding-bottom:72px}
.related-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:120px 28px 28px 28px}
.comparison-lines{display:grid;grid-template-columns:1fr 1fr;gap:0;padding-block:72px;border-top:1px solid var(--line)}
.comparison-lines article{padding-right:50px}
.comparison-lines article+article{padding-left:50px;padding-right:0;border-left:1px solid var(--line)}
.comparison-lines span{color:var(--berry);font-weight:800}
.comparison-lines p{color:var(--muted)}
.comparison-lines a{color:var(--berry);font-weight:800}
.related-principle{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;padding-block:72px 100px;border-top:1px solid var(--line)}
.related-principle>p{color:var(--muted)}
.about-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding-bottom:72px}
.about-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:34px}
.about-values{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);padding-block:72px}
.about-values article{padding:28px 34px 28px 0;border-bottom:1px solid var(--line)}
.about-values article:nth-child(even){padding-left:34px;border-left:1px solid var(--line)}
.about-values span{font-family:Georgia,serif;color:var(--peach)}
.about-values p{color:var(--muted)}
.about-path{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;padding-block:60px 100px}
.about-links{display:grid;border-top:1px solid var(--line)}
.about-links a{padding:17px 0;border-bottom:1px solid var(--line);font-weight:800;color:var(--berry)}
.safety-hero{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;padding-bottom:72px}
.safety-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:30px}
.safety-rules{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-block:72px}
.safety-rules article{background:var(--paper-soft);border-radius:20px;padding:26px}
.safety-rules p{color:var(--muted)}
.safety-deeper{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding-block:60px 100px}
.safety-deeper img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px}
.safety-deeper p{color:var(--muted)}
.privacy-intro{max-width:900px;padding-bottom:60px}
.privacy-ledger{border-top:1px solid var(--line);padding-bottom:80px}
.privacy-ledger article{display:grid;grid-template-columns:150px 250px 1fr;gap:24px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line)}
.privacy-ledger span{color:var(--berry);font-weight:800;font-size:.8rem}
.privacy-ledger p{color:var(--muted);margin:0}
.privacy-note{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;padding-block:50px 100px}
.privacy-note img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px}
.privacy-note p{color:var(--muted)}
.contact-hero{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding-bottom:72px}
.contact-hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px 100px 30px 30px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-block:72px}
.contact-grid article{border:1px solid var(--line);border-radius:22px;padding:28px}
.contact-grid span{color:var(--berry);font-weight:800;font-size:.8rem}
.contact-grid li{margin:.4rem 0;color:var(--muted)}
.contact-warning{background:var(--paper-soft);border-radius:var(--radius-md);padding:32px;margin-bottom:100px}
.contact-warning p{color:var(--muted)}
.search-page-intro{max-width:840px;padding-bottom:50px}
.search-page-form{max-width:720px;margin-top:24px}
.search-results{padding-bottom:100px}
.result-count{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.result-list{border-top:1px solid var(--line)}
.result-list article{padding:24px 0;border-bottom:1px solid var(--line)}
.result-list span{font-size:.75rem;color:var(--berry);font-weight:800}
.result-list h2{font-size:1.5rem;margin:.35rem 0}
.result-list p{color:var(--muted);max-width:760px}
.empty-state{background:var(--paper-soft);border-radius:var(--radius-md);padding:34px}
.empty-state p{color:var(--muted)}
.not-found{min-height:62vh;display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:center;padding-block:90px}
.not-found-code{font-family:Georgia,serif;font-size:clamp(6rem,18vw,14rem);color:var(--peach);line-height:.8}
.not-found-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:24px}
.site-footer{background:var(--ink);color:#d8ced3;padding:0 max(24px,calc((100% - var(--content))/2))}
.footer-lead{display:flex;justify-content:space-between;gap:30px;align-items:end;padding:56px 0 36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-lead h2{color:var(--white);max-width:780px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px;padding:44px 0}
.footer-about strong{color:var(--white);font-size:1.25rem}
.footer-about p{max-width:330px;font-size:.9rem;color:#bdaeb5;margin-top:.75rem}
.footer-group h3{font-size:.9rem;color:var(--white);margin-bottom:10px}
.footer-group a{display:block;color:#bdaeb5;padding:.3rem 0;font-size:.88rem}
.footer-group a:hover{color:var(--peach)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;font-size:.78rem;color:#aa9ba2}
.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;border:0;background:var(--ink);color:var(--white);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease;z-index:80}
.back-top.visible{opacity:1;pointer-events:auto;transform:none}
@media (max-width:1100px){
    .header-inner{grid-template-columns:auto auto auto;justify-content:space-between}
    .menu-toggle{display:inline-flex}
    .site-nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
    .site-nav.open{display:grid;grid-template-columns:repeat(2,1fr)}
    .site-nav a{text-align:center}
    .home-cover{grid-template-columns:1fr 420px;gap:36px}
    .cover-visual,.cover-visual img{min-height:500px}
    .intent-row{grid-template-columns:58px 1fr 1.1fr}
    .intent-row>.text-link{grid-column:2/4;justify-self:start}
    .topic-ledger-row{grid-template-columns:46px 180px 1fr}
    .topic-ledger-row>.text-link{grid-column:3;justify-self:start}
    .article-index-row{grid-template-columns:42px 105px 1fr}
    .article-index-row>.arrow-link{grid-column:3;justify-self:start}
}
@media (max-width:900px){
    .section-shell{width:min(100% - 32px,var(--content))}
    h1{font-size:clamp(2.3rem,8vw,4rem)}
    .home-cover,.feature-split,.brand-brief,.mobile-band-inner,.guide-preview,.inner-hero.editorial,.watch-hero,.watch-map,.media-focus,.watch-note,.app-hero,.app-warning,.topic-method,.articles-intro,.article-search-strip,.article-head-grid,.article-body-grid,.guide-hero,.guide-deep-link,.related-hero,.related-principle,.about-hero,.about-path,.safety-hero,.safety-deeper,.privacy-note,.contact-hero,.not-found{grid-template-columns:1fr}
    .home-cover{padding-top:48px}
    .cover-visual{min-height:auto;border-radius:28px}
    .cover-visual img{min-height:0;aspect-ratio:16/10}
    .cover-facts{grid-template-columns:1fr}
    .feature-image-wrap img{aspect-ratio:16/10;border-radius:28px}
    .topic-ribbon-item{grid-template-columns:110px 1fr 32px}
    .brand-brief{gap:30px}
    .mobile-visual-pair{max-width:620px}
    .guide-visual img{aspect-ratio:16/10;border-radius:28px}
    .related-row{grid-template-columns:1fr 1fr}
    .prose-grid{grid-template-columns:1fr}
    .prose-aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .content-lanes-grid{grid-template-columns:1fr 1fr}
    .content-lanes-grid .lane:first-child{grid-column:1/3}
    .checklist-row{grid-template-columns:48px 230px 1fr}
    .topic-ledger-row{grid-template-columns:42px 160px 1fr}
    .article-index-row{grid-template-columns:40px 100px 1fr}
    .faq-paths{grid-template-columns:1fr}
    .privacy-ledger article{grid-template-columns:120px 210px 1fr}
    .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
    .footer-group:last-child{grid-column:2/4}
}
@media (max-width:700px){
    .header-inner{width:calc(100% - 24px);min-height:68px;gap:8px}
    .brand-copy small{display:none}
    .search-open{font-size:0;padding:.62rem;width:42px;height:42px}
    .search-open::before{content:"搜";font-size:.88rem}
    .site-nav.open{grid-template-columns:1fr}
    .home-cover{padding-block:38px 56px}
    .cover-links{align-items:flex-start;flex-direction:column}
    .intent-row{grid-template-columns:42px 1fr;gap:14px}
    .intent-row>p{grid-column:2}
    .intent-row>.text-link{grid-column:2}
    .feature-split{padding-block:64px}
    .editorial-points li{grid-template-columns:1fr;gap:4px}
    .topic-ribbon-item{grid-template-columns:88px 1fr}
    .topic-ribbon-item>span{display:none}
    .topic-ribbon-item img{width:88px}
    .section-heading.with-action{flex-direction:column;align-items:flex-start}
    .article-stream-row{grid-template-columns:1fr auto}
    .article-stream-row>.mini-label{grid-column:1/3}
    .mobile-band-inner{padding-block:54px}
    .faq-preview-grid,.app-columns,.trouble-grid,.comparison-lines,.about-values,.safety-rules,.contact-grid{grid-template-columns:1fr}
    .faq-preview-grid article:nth-child(even),.app-columns article+article,.trouble-grid article:nth-child(even),.comparison-lines article+article,.about-values article:nth-child(even){padding-left:0;border-left:0}
    .app-columns article,.comparison-lines article{padding:24px 0;border-bottom:1px solid var(--line)}
    .content-lanes-grid{grid-template-columns:1fr}
    .content-lanes-grid .lane:first-child{grid-column:auto}
    .checklist-row{grid-template-columns:42px 1fr}
    .checklist-row p{grid-column:2}
    .topic-ledger-row{grid-template-columns:38px 1fr}
    .topic-ledger-image{grid-column:2}
    .topic-ledger-copy{grid-column:2}
    .topic-ledger-row>.text-link{grid-column:2}
    .article-index-row{grid-template-columns:38px 1fr}
    .article-index-meta{grid-column:2;flex-direction:row}
    .article-index-copy{grid-column:2}
    .article-index-row>.arrow-link{grid-column:2}
    .article-head-grid{gap:30px}
    .article-body-grid{gap:30px}
    .article-aside{order:2}
    .related-row{grid-template-columns:1fr}
    .prose-aside{grid-template-columns:1fr}
    .faq-answer{padding:0 0 20px 52px}
    .privacy-ledger article{grid-template-columns:1fr;gap:8px}
    .footer-lead{flex-direction:column;align-items:flex-start}
    .footer-grid{grid-template-columns:1fr 1fr}
    .footer-about{grid-column:1/3}
    .footer-group:last-child{grid-column:auto}
    .not-found{gap:20px}
}
@media (max-width:500px){
    .section-shell{width:calc(100% - 24px)}
    .brand-mark{min-width:0}
    .brand-mark img{width:38px;height:38px}
    .brand-copy strong{font-size:.98rem}
    .menu-toggle{padding:.56rem .72rem}
    .cover-visual img{aspect-ratio:4/3}
    .mobile-visual-pair{grid-template-columns:1fr 1fr;gap:8px}
    .mobile-visual-pair img:last-child{transform:translateY(14px)}
    .closing-path{padding:16px}
    .topic-ribbon-item{grid-template-columns:72px 1fr}
    .topic-ribbon-item img{width:72px}
    .search-row,.inline-search-form>div,.search-page-form>div{flex-direction:column}
    .footer-grid{grid-template-columns:1fr}
    .footer-about,.footer-group:last-child{grid-column:auto}
    .footer-bottom{flex-direction:column}
}