:root{
    --brand:#6D28D9;
    --brand-soft:#A78BFA;
    --ink:#27242D;
    --muted:#716B78;
    --deep:#17151C;
    --paper:#F7F5FA;
    --surface:#FFFFFF;
    --surface-2:#ECE8F2;
    --accent:#F59E0B;
    --line:#DDD7E6;
    --radius:20px;
    --radius-sm:12px;
    --shadow:0 18px 50px rgba(38,24,53,.08);
    --max:1180px;
    --narrow:860px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
body.modal-open{overflow:hidden}
.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--deep);color:#fff;padding:10px 16px;border-radius:8px}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,250,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,215,230,.8)}
.header-inner{width:min(calc(100% - 40px),var(--max));min-height:78px;margin:0 auto;display:flex;align-items:center;gap:24px}
.brand-lockup{display:flex;align-items:center;gap:12px;min-width:250px}
.brand-lockup img{width:44px;height:44px;border-radius:12px;object-fit:cover;background:var(--surface-2)}
.brand-lockup span{display:flex;flex-direction:column;line-height:1.2}
.brand-lockup strong{font-size:21px;color:var(--deep)}
.brand-lockup small{font-size:12px;color:var(--muted);margin-top:5px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.primary-nav a{padding:9px 12px;border-radius:9px;font-size:14px;color:#514C57}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:#E7DDF8;color:#4C1D95}
.search-toggle,.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:10px;padding:9px 13px}
.menu-toggle{display:none;margin-left:auto}
.search-toggle:hover{border-color:var(--brand-soft);color:var(--brand)}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:100;background:rgba(23,21,28,.64);display:grid;place-items:start center;padding:12vh 20px 20px}
.search-modal__panel{position:relative;width:min(680px,100%);background:#fff;border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.24)}
.search-modal__close{position:absolute;right:18px;top:16px;width:40px;height:40px;border:0;border-radius:50%;background:var(--surface-2);font-size:26px;line-height:1}
.search-form label,.inline-search label{display:block;font-weight:700;margin-bottom:8px}
.search-form__row,.inline-search>div{display:flex;gap:8px}
.search-form input,.inline-search input{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fff;color:var(--ink)}
.search-form button,.inline-search button{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:12px 18px;white-space:nowrap}
.search-modal__hint{margin:12px 0 0;color:var(--muted);font-size:14px}
.page-shell{width:min(calc(100% - 40px),var(--max));margin:0 auto;padding:34px 0 84px}
.page-shell--narrow{max-width:var(--narrow)}
.section-wide{width:min(calc(100% - 40px),var(--max));margin-left:auto;margin-right:auto}
.section-narrow{width:min(calc(100% - 40px),var(--narrow));margin-left:auto;margin-right:auto}
.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--brand)}
h1,h2,h3{margin:0;color:var(--deep);line-height:1.24;letter-spacing:-.02em}
h1{font-size:clamp(36px,5vw,68px)}
h2{font-size:clamp(26px,3vw,40px)}
h3{font-size:20px}
p{margin:0 0 1em}
.lede{font-size:18px;color:#57515E;line-height:1.9;max-width:760px}
.section-heading{margin-bottom:28px}.section-heading>p:last-child{max-width:760px;color:var(--muted);margin-top:12px}.section-heading--split{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}.section-heading--spaced{margin-top:48px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:11px;font-weight:800}.button--primary{background:var(--brand);color:#fff}.button--ghost{border:1px solid #BFB4CB;background:#fff;color:#4C1D95}.button--light{background:#fff;color:var(--deep)}
.text-link{font-weight:800;color:#5B21B6}.text-link:hover{text-decoration:underline}
.breadcrumbs{margin:6px 0 42px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:13px}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:9px;color:#B1A8BB}.breadcrumbs a:hover{color:var(--brand)}
.home-intro{width:min(calc(100% - 40px),var(--max));margin:0 auto;padding:72px 0 56px;display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}.home-intro__lead{font-size:19px;line-height:1.9;color:#55505B;margin:24px 0 28px}.intro-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.home-intro__visual{position:relative}.home-intro__visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px;box-shadow:var(--shadow);background:var(--surface-2)}.visual-note{position:absolute;right:-16px;bottom:22px;background:var(--deep);color:#fff;padding:15px 18px;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.2)}.visual-note strong,.visual-note span{display:block}.visual-note span{font-size:13px;color:#D9D3E1;margin-top:4px}
.brand-strip{width:min(calc(100% - 40px),var(--max));margin:0 auto 88px;padding:28px 34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1.05fr 1fr auto;gap:36px;align-items:center}.brand-strip h2{font-size:26px}.brand-strip p{margin:0;color:var(--muted)}.brand-strip>a{color:var(--brand);font-weight:800;white-space:nowrap}
.video-focus{padding:80px 0}.video-focus__layout{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:stretch}.video-focus__media img{width:100%;height:100%;min-height:560px;object-fit:cover;border-radius:24px}.editorial-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}.editorial-list article{padding:24px 0;border-bottom:1px solid var(--line);position:relative;padding-left:48px}.editorial-list__index{position:absolute;left:0;top:27px;color:var(--brand);font-weight:900;font-size:12px}.editorial-list p{color:var(--muted);margin:9px 0 8px}.editorial-list a{font-weight:800;color:#5B21B6;font-size:14px}
.free-inline{margin-top:72px;margin-bottom:110px;display:grid;grid-template-columns:120px 1fr;gap:34px;align-items:start}.free-inline__mark{width:100px;height:100px;border-radius:50%;display:grid;place-items:center;background:#FFF2CF;color:#A85E00;font-weight:900;font-size:24px;border:1px solid #F4D99B}.free-inline h2{margin-bottom:16px}.free-inline p{color:var(--muted)}
.index-preview{padding:74px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.index-preview__columns{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-bottom:28px}.index-row{padding:20px 0;border-top:1px solid var(--line)}.index-row span{font-size:12px;color:var(--brand);font-weight:800}.index-row h3{margin:5px 0 6px;font-size:18px}.index-row p{color:var(--muted);font-size:14px;margin:0}
.route-map{padding:100px 0}.route-map__list{list-style:none;padding:0;margin:34px 0 0;border-top:1px solid var(--line)}.route-map__list li{display:grid;grid-template-columns:180px 1fr auto;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center}.route-map__list span{color:var(--muted)}.route-map__list a{font-weight:800;color:var(--brand);font-size:14px}
.visual-pair{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;padding:40px 0 100px}.visual-pair figure{margin:0}.visual-pair img{width:100%;border-radius:22px;aspect-ratio:3/2;object-fit:cover}.visual-pair figcaption{margin-top:10px;color:var(--muted);font-size:13px}.visual-pair__copy p{margin:16px 0;color:var(--muted)}.visual-pair__copy a{font-weight:800;color:var(--brand)}
.quality-band{background:var(--deep);color:#fff;padding:56px max(20px,calc((100vw - var(--max))/2));display:flex;justify-content:space-between;gap:40px;align-items:center}.quality-band h2{color:#fff}.quality-band p{color:#D4CFD9;max-width:760px;margin:12px 0 0}
.topic-tail{display:grid;grid-template-columns:1fr 300px;gap:56px;align-items:center;padding:100px 0}.topic-tail__copy p{color:var(--muted);margin-top:14px}.topic-tail img{width:100%;border-radius:18px;aspect-ratio:4/3;object-fit:cover}
.guide-links{padding:30px 0 100px}.guide-links__grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.guide-links__grid a{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:150px;background:rgba(255,255,255,.35)}.guide-links__grid a:hover{background:#fff}.guide-links__grid strong,.guide-links__grid span{display:block}.guide-links__grid span{margin-top:8px;color:var(--muted)}
.closing-note{padding:10px 0 110px;text-align:center}.closing-note p{max-width:760px;margin:14px auto 0;color:var(--muted)}.closing-note__links{margin-top:26px;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.closing-note__links a{font-weight:800;color:var(--brand)}
.brand-page-head,.video-page-head,.topic-hero,.dimension-head,.faq-head,.simple-head--with-image{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;margin-bottom:74px}.brand-page-head img,.video-page-head img,.topic-hero img,.dimension-head img,.faq-head img,.simple-head--with-image img{width:100%;border-radius:24px;aspect-ratio:4/3;object-fit:cover;background:var(--surface-2)}
.term-table{margin-bottom:84px}.term-row{display:grid;grid-template-columns:220px 1fr;gap:30px;padding:18px 0;border-top:1px solid var(--line)}.term-row:last-child{border-bottom:1px solid var(--line)}.term-row strong{font-size:18px;color:var(--deep)}.term-row p{margin:0;color:var(--muted)}
.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-bottom:74px}.prose-grid article{background:#fff;padding:30px;border-radius:18px;border:1px solid #E6E0EA}.prose-grid h2{font-size:25px;margin-bottom:12px}.prose-grid p{color:var(--muted)}.prose-grid a{font-weight:800;color:var(--brand)}
.evidence-list{margin-bottom:78px}.evidence-list ol{margin:24px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.evidence-list li{padding:18px 0;border-bottom:1px solid var(--line)}
.brand-next{background:var(--surface-2);border-radius:22px;padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px}.brand-next p{color:var(--muted)}.brand-next__links{display:flex;flex-direction:column;justify-content:center;gap:10px}.brand-next__links a{background:#fff;padding:14px 16px;border-radius:10px;font-weight:800;color:#4C1D95}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.chip-row span{font-size:12px;background:#E9E1F5;color:#5B21B6;padding:6px 10px;border-radius:999px;font-weight:800}
.video-sections{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:90px}.video-section{padding:30px;background:#fff;border:1px solid #E5DFE9;border-radius:20px}.video-section__head{display:flex;gap:14px;align-items:flex-start}.video-section__head span{color:var(--brand);font-weight:900;font-size:12px;margin-top:8px}.video-section h2{font-size:25px}.video-section>p{color:var(--muted);margin:16px 0}.video-section ul{padding-left:20px;margin:0}.video-section li{margin:8px 0}
.watch-matrix{margin-bottom:90px}.watch-matrix__grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.watch-matrix__grid article{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.watch-matrix__grid p{color:var(--muted);margin:8px 0}.watch-matrix__grid a{font-weight:800;color:var(--brand);font-size:14px}
.video-index-bridge{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center;background:#EDE8F4;padding:38px;border-radius:24px;margin-bottom:70px}.video-index-bridge figure{margin:0}.video-index-bridge img{border-radius:16px;aspect-ratio:3/2;object-fit:cover}.video-index-bridge p{color:var(--muted);margin:14px 0 20px}
.video-free-note{display:grid;grid-template-columns:1fr 1fr auto;gap:30px;align-items:center;padding:26px 0 70px;border-bottom:1px solid var(--line)}.video-free-note p{margin:0;color:var(--muted)}.video-free-note a{font-weight:800;color:var(--brand)}
.related-links{margin-top:86px;padding-top:36px;border-top:1px solid var(--line)}.link-list{list-style:none;margin:0;padding:0}.link-list li{border-top:1px solid var(--line)}.link-list li:last-child{border-bottom:1px solid var(--line)}.link-list a{display:flex;justify-content:space-between;gap:20px;padding:15px 0;font-weight:800;color:#4D4555}.link-list a:hover{color:var(--brand)}
.simple-head{margin-bottom:60px}.free-note-list{margin-bottom:70px}.free-note-list article{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--line)}.free-note-list article:last-child{border-bottom:1px solid var(--line)}.free-note-list>article>span{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#EEE6FA;color:var(--brand);font-weight:900}.free-note-list h2{font-size:24px}.free-note-list p{color:var(--muted);margin-top:8px}
.decision-box{background:var(--deep);color:#fff;border-radius:22px;padding:34px}.decision-box h2{color:#fff}.decision-box ol{padding-left:22px}.decision-box li{margin:10px 0}.decision-box>p{color:#D3CED8;margin:18px 0 0}
.dimension-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:40px 0 70px}.dimension-notes article{display:flex;gap:16px;padding:22px;border:1px solid var(--line);background:#fff;border-radius:14px}.dimension-notes span{color:var(--brand);font-weight:900}.dimension-notes p{margin:0}.topic-boundary{padding:34px;background:var(--surface-2);border-radius:20px}.topic-boundary p{color:var(--muted);margin:12px 0 0}
.index-head{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:end;margin-bottom:50px}.inline-search{background:#fff;border:1px solid var(--line);padding:18px;border-radius:15px}.index-summary{display:flex;justify-content:space-between;gap:20px;padding:14px 0;margin-bottom:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.index-summary strong{color:var(--ink)}
.library-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.library-entry{background:#fff;border:1px solid #E4DEE8;border-radius:16px;padding:24px}.library-entry__meta{display:flex;justify-content:space-between;color:var(--brand);font-size:12px;font-weight:800}.library-entry h2{font-size:21px;margin:8px 0 10px}.library-entry>p{color:var(--muted);font-size:14px}.library-entry details{border-top:1px solid #ECE7EF;padding-top:12px}.library-entry summary{cursor:pointer;font-weight:800;color:#5B21B6}.library-entry details p{margin:10px 0 0;font-size:14px;color:#625C68}.pagination{display:flex;justify-content:center;align-items:center;gap:18px;margin:44px 0}.pagination a,.pagination span{padding:9px 13px;border-radius:9px;border:1px solid var(--line);background:#fff}.pagination a{font-weight:800;color:var(--brand)}.pagination span[aria-disabled="true"]{color:#A09AA4;background:transparent}
.topic-hero{margin-bottom:70px}.topic-hero__copy .lede{margin-top:18px}.article-sections{max-width:920px;margin:0 auto}.article-block{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:34px 0;border-top:1px solid var(--line)}.article-block--tint{background:linear-gradient(90deg,transparent,#F0ECF4 20%,#F0ECF4 80%,transparent)}.article-block__number{color:var(--brand);font-weight:900;font-size:12px;padding-top:9px}.article-block h2{font-size:28px}.article-block p{color:var(--muted);margin-top:13px}
.faq-list{margin:30px 0 70px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;gap:16px;align-items:flex-start;list-style:none;cursor:pointer;padding:20px 0;font-size:18px;font-weight:800;color:var(--deep)}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--brand);font-size:12px;margin-top:6px}.faq-list details div{padding:0 0 22px 44px;color:var(--muted)}
.about-principles{display:grid;grid-template-columns:1fr 1fr;gap:18px}.about-principles article{background:#fff;border:1px solid var(--line);padding:24px;border-radius:16px}.about-principles h2{font-size:24px}.about-principles p{margin-top:10px;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-grid article{background:#fff;border:1px solid var(--line);padding:24px;border-radius:16px}.contact-grid h2{font-size:22px}.contact-grid p{color:var(--muted);margin-top:9px}
.policy-prose h2{font-size:26px;margin-top:34px}.policy-prose p{color:var(--muted);margin-top:10px}.policy-prose code{background:#EDE7F2;padding:2px 6px;border-radius:5px;color:#4C1D95}
.safety-steps{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safety-steps article{background:#fff;border:1px solid var(--line);padding:24px;border-radius:16px}.safety-steps span{color:var(--brand);font-weight:900;font-size:12px}.safety-steps h2{font-size:23px;margin-top:4px}.safety-steps p{color:var(--muted);margin-top:8px}
.search-page-head{margin-bottom:44px}.search-page-head .inline-search{margin-top:24px}.search-empty{padding:38px;background:var(--surface-2);border-radius:18px}.search-empty h2{font-size:26px}.search-empty p{color:var(--muted);margin:10px 0}.search-empty a{font-weight:800;color:var(--brand)}.result-pages{list-style:none;margin:0;padding:0}.result-pages li{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:13px 0;border-top:1px solid var(--line)}.result-pages li:last-child{border-bottom:1px solid var(--line)}.result-pages span{font-size:12px;color:var(--brand);font-weight:800}.result-pages a{font-weight:800}.result-entries{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result-entries article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.result-entries span{font-size:12px;color:var(--brand);font-weight:800}.result-entries h3{font-size:17px;margin:6px 0 10px}.result-entries a{font-size:13px;font-weight:800;color:var(--brand)}.muted{color:var(--muted)}
.not-found{text-align:center;padding:80px 0}.not-found h1{font-size:52px}.not-found>p{max-width:660px;margin:18px auto;color:var(--muted)}.not-found__links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:28px}.not-found__links a{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:9px;font-weight:800;color:var(--brand)}
.site-footer{background:var(--deep);color:#E7E2EA;padding:58px max(20px,calc((100vw - var(--max))/2)) 24px}.footer-inner{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px}.footer-intro{padding-right:34px}.footer-brand{font-size:26px;font-weight:900;color:#fff}.footer-intro p{color:#AFA9B5;margin-top:14px}.footer-group h2{font-size:14px;color:#fff;margin-bottom:12px}.footer-group ul{list-style:none;padding:0;margin:0}.footer-group li{margin:7px 0}.footer-group a{font-size:14px;color:#BBB5C0}.footer-group a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:44px;padding-top:20px;border-top:1px solid #343039}.footer-bottom p{margin:0;color:#8F8994;font-size:12px}.back-to-top{border:1px solid #4C4752;background:transparent;color:#fff;border-radius:9px;padding:8px 11px}
@media (max-width:1024px){
    .header-inner{gap:14px}.brand-lockup{min-width:auto}.brand-lockup small{display:none}.primary-nav{gap:0}.primary-nav a{padding:8px 9px;font-size:13px}
    .home-intro{grid-template-columns:1fr 1fr;gap:34px}.brand-strip{grid-template-columns:1fr 1fr}.brand-strip>a{grid-column:1/-1}.video-focus__layout{grid-template-columns:1fr}.video-focus__media img{min-height:0;max-height:560px}.visual-pair{gap:36px}.topic-tail{grid-template-columns:1fr 260px}
    .brand-page-head,.video-page-head,.topic-hero,.dimension-head,.faq-head,.simple-head--with-image{gap:34px}.footer-inner{grid-template-columns:1.3fr 1fr 1fr}.footer-group:last-child{grid-column:2/-1}.contact-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
    .header-inner{min-height:70px}.menu-toggle{display:block}.search-toggle{padding:8px 10px}.primary-nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow)}.primary-nav.is-open{display:grid}.primary-nav a{padding:11px 12px}
    .home-intro{grid-template-columns:1fr;padding-top:46px}.home-intro__visual{order:-1}.visual-note{right:10px}.brand-strip{grid-template-columns:1fr;gap:15px;margin-bottom:54px}.brand-strip>a{grid-column:auto}.section-heading--split{grid-template-columns:1fr;gap:12px}.index-preview__columns,.guide-links__grid,.watch-matrix__grid,.library-list,.result-entries,.about-principles,.safety-steps{grid-template-columns:1fr}.route-map__list li{grid-template-columns:1fr;gap:6px}.visual-pair{grid-template-columns:1fr}.quality-band{align-items:flex-start;flex-direction:column}.topic-tail{grid-template-columns:1fr}.topic-tail img{max-width:420px}.brand-page-head,.video-page-head,.topic-hero,.dimension-head,.faq-head,.simple-head--with-image{grid-template-columns:1fr}.brand-page-head img,.video-page-head img,.topic-hero img,.dimension-head img,.faq-head img,.simple-head--with-image img{max-height:440px}.term-row,.prose-grid,.brand-next,.video-sections,.video-index-bridge,.video-free-note,.index-head{grid-template-columns:1fr}.dimension-notes{grid-template-columns:1fr}.article-block{grid-template-columns:44px 1fr}.contact-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}.footer-group:last-child{grid-column:auto}.index-summary{flex-direction:column;gap:3px}
}
@media (max-width:600px){
    .header-inner{width:min(calc(100% - 24px),var(--max))}.brand-lockup strong{font-size:18px}.brand-lockup img{width:38px;height:38px}.search-toggle{font-size:0}.search-toggle::after{content:"搜索";font-size:13px}.page-shell,.section-wide,.section-narrow,.home-intro,.brand-strip{width:min(calc(100% - 28px),var(--max))}.home-intro{padding-top:34px;gap:24px}h1{font-size:38px}.home-intro__lead,.lede{font-size:16px}.free-inline{grid-template-columns:1fr;gap:18px;margin-top:50px;margin-bottom:70px}.free-inline__mark{width:72px;height:72px;font-size:18px}.route-map{padding:70px 0}.quality-band{padding:42px 20px}.topic-tail{padding:70px 0}.guide-links{padding-bottom:70px}.closing-note{padding-bottom:70px}.search-modal{padding-top:8vh}.search-modal__panel{padding:28px 20px}.brand-page-head,.video-page-head,.topic-hero,.dimension-head,.faq-head,.simple-head--with-image{margin-bottom:52px}.brand-next,.video-index-bridge{padding:24px}.free-note-list article{grid-template-columns:52px 1fr}.library-entry{padding:20px}.pagination{gap:8px}.pagination a,.pagination span{font-size:13px;padding:8px 9px}.article-block{grid-template-columns:1fr;gap:6px}.article-block__number{padding-top:0}.result-pages li{grid-template-columns:72px 1fr}.footer-inner{grid-template-columns:1fr}.footer-intro,.footer-group:last-child{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}.topic-hero__media{order:-1}
}
@media (max-width:375px){
    .header-inner{gap:8px}.brand-lockup span small{display:none}.menu-toggle,.search-toggle{padding:7px 9px}.home-intro h1{font-size:34px}.intro-actions{align-items:stretch;flex-direction:column}.intro-actions .button{width:100%}.guide-links__grid a{padding:22px}.library-entry h2{font-size:19px}.search-form__row,.inline-search>div{flex-direction:column}.search-form button,.inline-search button{width:100%}
}