:root{
    --primary:#B9473F;
    --primary-dark:#94372F;
    --accent:#E06A3B;
    --amber:#D89A45;
    --ink:#1E2026;
    --text:#2B2D31;
    --muted:#6F706F;
    --paper:#F7F4EF;
    --soft:#EEE9E2;
    --white:#FFFFFF;
    --line:#D8D1C8;
    --line-dark:#3A3C43;
    --shadow:0 18px 45px rgba(30,32,38,.08);
    --radius:22px;
    --radius-sm:14px;
    --shell:min(1180px,calc(100% - 40px));
}
*{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:1.75;text-rendering:optimizeLegibility}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.site-shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:300;background:var(--ink);color:white;padding:10px 16px;border-radius:10px}
.skip-link:focus{top:16px;color:white}
.header-topline{background:var(--ink);color:#d9d9dc;font-size:.82rem}
.header-topline-inner{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.header-topline p{margin:0}
.header-topline a{color:#ffd3b7}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.96);border-bottom:1px solid rgba(216,209,200,.8);backdrop-filter:blur(14px)}
.nav-row{min-height:84px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}
.brand img{width:48px;height:48px;object-fit:contain;border-radius:12px}
.brand span{display:flex;flex-direction:column;line-height:1.2}
.brand strong{font-size:1.14rem;color:var(--ink)}
.brand small{margin-top:4px;color:var(--muted);font-size:.75rem}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.primary-nav a{padding:10px 11px;border-radius:10px;color:#3d3f43;font-size:.93rem;white-space:nowrap}
.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--primary);font-weight:700}
.primary-nav a:hover{background:#f0e8e1;color:var(--primary)}
.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:11px;padding:10px 14px;font-weight:650;white-space:nowrap}
.search-open:hover,.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}
.menu-toggle{display:none}
.search-modal[hidden]{display:none!important}
.search-modal{position:fixed;inset:0;z-index:220;display:grid;place-items:start center;padding-top:12vh}
.search-backdrop{position:absolute;inset:0;background:rgba(18,19,22,.72)}
.search-panel{position:relative;width:min(680px,calc(100% - 32px));background:var(--paper);padding:34px;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.search-panel h2{margin:4px 0 20px;color:var(--ink);font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.25}
.search-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:2rem;color:var(--muted)}
.search-form label,.large-search-form label,.footer-search label,.guide-filter label{display:block;font-weight:700;margin-bottom:8px;color:var(--ink)}
.search-input-row,.large-search-form div,.footer-search div,.guide-filter form div{display:flex;gap:8px}
.search-input-row input,.large-search-form input,.footer-search input,.guide-filter input{min-width:0;flex:1;border:1px solid var(--line);background:white;border-radius:12px;padding:13px 14px;outline:none}
.search-input-row input:focus,.large-search-form input:focus,.footer-search input:focus,.guide-filter input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(185,71,63,.12)}
.search-input-row button,.large-search-form button,.footer-search button,.guide-filter button{border:0;background:var(--primary);color:white;border-radius:12px;padding:11px 18px;font-weight:700}
.search-tip{color:var(--muted);font-size:.9rem;margin-bottom:0}
.breadcrumbs{width:var(--shell);margin:22px auto 0;color:var(--muted);font-size:.86rem}
.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa6a0}
.breadcrumbs a:hover{color:var(--primary)}
.hero{padding:76px 0 72px;background:#f3eee8}
.hero-grid,.page-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
.hero-copy h1,.page-hero h1,.article-header h1{margin:10px 0 18px;color:var(--ink);font-size:clamp(2.35rem,5vw,4.5rem);line-height:1.08;letter-spacing:-.035em}
.page-hero h1{font-size:clamp(2.15rem,4.5vw,3.7rem)}
.eyebrow{margin:0 0 8px;color:var(--primary);font-size:.76rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.eyebrow.warm{color:#f3b66f}
.hero-lead,.page-hero p,.article-deck{font-size:1.08rem;color:#54565a;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:12px;font-weight:750;border:1px solid transparent;transition:.2s ease}
.button.primary{background:var(--primary);color:white}.button.primary:hover{background:var(--primary-dark);color:white;transform:translateY(-1px)}
.button.secondary{background:transparent;border-color:var(--primary);color:var(--primary)}.button.secondary:hover{background:#fff1ed}
.button.light{background:#fff;color:var(--ink)}.button.light:hover{color:var(--primary)}
.button.full{width:100%}
.hero-notes{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:8px;color:#5a5c60;font-size:.92rem}
.hero-notes li{position:relative;padding-left:22px}.hero-notes li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.hero-visual{position:relative;margin:0;padding:16px;background:var(--ink);border-radius:28px;box-shadow:var(--shadow)}
.hero-visual img,.page-hero figure img,.article-header figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}
.hero-visual figcaption{color:#c9c9cb;font-size:.86rem;padding:12px 4px 2px}
.section{padding:78px 0}
.compact-section{padding:34px 0}
.section-heading{max-width:820px;margin-bottom:32px}.section-heading h2,.content-two-col h2,.media-split h2,.note-box h2,.trust-grid h2{margin:4px 0 12px;color:var(--ink);font-size:clamp(1.75rem,3.2vw,2.7rem);line-height:1.18;letter-spacing:-.025em}.section-heading p{color:var(--muted)}
.split-heading{max-width:none;display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:end}.split-heading>p{margin:0 0 8px;max-width:620px}
.topic-grid{display:grid;gap:16px}.topic-grid.four{grid-template-columns:repeat(4,1fr)}
.topic-card{position:relative;min-height:250px;background:white;border:1px solid var(--line);padding:26px;border-radius:var(--radius);overflow:hidden}.topic-card:hover{border-color:#c9b8ad;box-shadow:var(--shadow)}.topic-index{position:absolute;right:18px;top:10px;color:#eadfd7;font-size:3.2rem;font-weight:850;line-height:1}.topic-card h3{position:relative;margin:34px 0 10px;font-size:1.22rem;line-height:1.35;color:var(--ink)}.topic-card p{color:var(--muted);font-size:.93rem}.text-link{display:inline-flex;margin-top:8px;color:var(--primary);font-weight:750}.text-link::after{content:"→";margin-left:6px}.text-link:hover::after{transform:translateX(2px)}
.band{background:var(--ink);color:#e7e7e8}.band h2{color:white}.band p{color:#c7c7ca}.band-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.band-grid figure{margin:0}.band-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;border:1px solid var(--line-dark)}
.content-two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.content-two-col.top-align{align-items:start}.framed-image{margin:0;padding:12px;background:var(--soft);border:1px solid var(--line);border-radius:24px}.framed-image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}.check-list{padding:0;list-style:none;margin:22px 0;display:grid;gap:10px}.check-list li{position:relative;padding-left:28px}.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900}.check-list strong{color:var(--ink)}
.soft-section{background:var(--soft)}
.story-grid{display:grid;gap:18px}.story-grid.three{grid-template-columns:repeat(3,1fr)}.story-grid.two{grid-template-columns:repeat(2,1fr)}.story-card{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;min-height:260px;display:flex;flex-direction:column}.story-card h3{font-size:1.25rem;line-height:1.35;margin:3px 0 10px;color:var(--ink)}.story-card p:not(.eyebrow){color:var(--muted);font-size:.94rem}.story-card .text-link{margin-top:auto}.section-cta{margin-top:28px;text-align:center}
.feature-strip{background:#f0ebe4}.feature-strip-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.feature-main{padding:42px;border-radius:24px;background:var(--white);border:1px solid var(--line)}.feature-main h2{margin:5px 0 16px;font-size:clamp(1.8rem,3vw,2.65rem);line-height:1.18;color:var(--ink)}.feature-aside{background:var(--ink);color:#d3d3d6;padding:18px;border-radius:24px}.feature-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}.feature-aside p{margin:18px 8px 8px}
.topic-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.topic-feature{display:grid;grid-template-columns:170px 1fr;gap:22px;background:white;border:1px solid var(--line);border-radius:20px;padding:14px}.topic-feature img{width:170px;height:100%;min-height:160px;object-fit:cover;border-radius:14px}.topic-feature h3{margin:9px 0 6px;color:var(--ink)}.topic-feature p{color:var(--muted);font-size:.92rem}
.compact-band{padding:54px 0}.trust-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}.trust-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.trust-points p{margin:0;padding:18px;border:1px solid var(--line-dark);border-radius:14px}.trust-points strong,.trust-points span{display:block}.trust-points strong{color:white;margin-bottom:7px}.trust-points span{color:#bfc0c4;font-size:.88rem}
.faq-preview{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-preview-intro{position:sticky;top:130px;align-self:start}.faq-preview-intro h2{color:var(--ink);font-size:2.3rem;line-height:1.2;margin:5px 0 14px}.faq-preview-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item h3{margin:0}.faq-toggle{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:transparent;padding:20px 0;color:var(--ink);font-weight:750}.faq-mark{font-size:1.45rem;color:var(--primary);transition:transform .2s}.faq-toggle[aria-expanded="true"] .faq-mark{transform:rotate(45deg)}.faq-answer{padding:0 44px 20px 0;color:var(--muted)}.faq-answer[hidden]{display:none}.faq-answer p{margin:0}.compact-faq .faq-toggle{padding:17px 0}
.closing-section{padding-top:40px}.closing-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}.closing-grid figure{margin:0}.closing-grid img{border-radius:24px;width:100%;aspect-ratio:4/3;object-fit:cover}.closing-grid h2{font-size:2.5rem;line-height:1.17;margin:5px 0 14px;color:var(--ink)}.inline-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.inline-links a{padding:9px 13px;border:1px solid var(--line);background:white;border-radius:10px;font-weight:700;font-size:.9rem}.inline-links a:hover{border-color:var(--primary)}
.page-hero{padding:56px 0 62px;background:#f1ece6}.page-hero figure,.article-header figure{margin:0;padding:12px;background:white;border:1px solid var(--line);border-radius:24px}.dark-page-hero{background:var(--ink);color:#dadadd}.dark-page-hero h1{color:white}.dark-page-hero p{color:#c6c6c9}.ai-hero{background:#f0e7df}.guide-hero{background:#eee9e2}.topic-page-hero{background:#f0e9df}.safety-hero{background:#eee7e1}
.prose{font-size:1.02rem}.prose h2{font-size:1.7rem;line-height:1.28;color:var(--ink);margin:42px 0 12px}.prose h2:first-child{margin-top:0}.prose p{color:#4f5155;margin:0 0 17px}.wide-prose{max-width:850px}.ordered-guide{padding-left:24px}.ordered-guide li{margin:12px 0;padding-left:6px}.ordered-guide strong{color:var(--ink)}
.side-panel{background:white;border:1px solid var(--line);border-radius:20px;padding:24px}.side-panel h2{margin:0 0 14px;color:var(--ink);font-size:1.28rem}.sticky-panel{position:sticky;top:128px}.decision-list{margin:0 0 22px}.decision-list div{padding:12px 0;border-bottom:1px solid var(--line)}.decision-list dt{font-weight:800;color:var(--ink)}.decision-list dd{margin:3px 0 0;color:var(--muted);font-size:.9rem}.side-links{display:grid}.side-links a{display:flex;flex-direction:column;padding:13px 0;border-bottom:1px solid var(--line)}.side-links span{font-weight:750}.side-links small{color:var(--muted);margin-top:3px}.side-panel>a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-weight:700;color:var(--primary)}
.media-split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.media-split>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.number-steps{display:grid;gap:20px}.number-steps>div{display:grid;grid-template-columns:52px 1fr;column-gap:14px}.number-steps span{grid-row:1/3;font-size:1.8rem;color:#c7b7aa;font-weight:850}.number-steps h3{margin:0;color:var(--ink)}.number-steps p{margin:4px 0 0;color:var(--muted)}
.note-section{padding-top:36px}.note-box{display:grid;grid-template-columns:1fr 1.3fr auto;gap:28px;align-items:center;padding:28px;border:1px solid #d8c8bc;background:#f2e7df;border-radius:22px}.note-box h2{font-size:1.6rem;margin:2px 0}.note-box p{margin:0;color:#5b5d60}.domain-card{background:var(--ink);color:white;padding:24px;border-radius:18px;margin:24px 0 30px}.domain-card span,.domain-card small{display:block;color:#c7c7ca}.domain-card strong{display:block;font-size:1.8rem;margin:6px 0;color:#ffd6c4}.access-layout{display:grid;grid-template-columns:1fr 330px;gap:56px;align-items:start}
.boundary-panel{display:grid;gap:12px}.boundary{padding:15px;border-radius:14px;margin:0}.boundary strong,.boundary span{display:block}.boundary strong{margin-bottom:5px}.boundary.yes{background:#edf2e9}.boundary.no{background:#f3e5e3}.boundary.neutral{background:#eee9e2}.boundary span{font-size:.9rem;color:#5a5b5e}
.guide-filter{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:end}.guide-filter h2{margin:0 0 12px}.tag-links{display:flex;flex-wrap:wrap;gap:8px}.tag-links a{padding:7px 11px;background:white;border:1px solid var(--line);border-radius:999px;font-size:.86rem}.topic-section:nth-of-type(even){background:rgba(238,233,226,.45)}
.topic-detail-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}.topic-detail-grid>figure{margin:0}.topic-detail-grid>figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.topic-detail-grid h2{font-size:2.35rem;line-height:1.18;margin:5px 0 12px}.topic-detail-grid>div>p{color:var(--muted)}.topic-reading-list{counter-reset:item;list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--line)}.topic-reading-list li{border-bottom:1px solid var(--line)}.topic-reading-list a{display:block;padding:16px 2px}.topic-reading-list span{display:block;font-weight:800;color:var(--ink)}.topic-reading-list small{display:block;color:var(--muted);margin-top:4px;line-height:1.55}
.article-header{padding:50px 0 58px;background:#f0ebe5}.article-header-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.article-header h1{font-size:clamp(2.1rem,4.5vw,3.6rem)}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.article-tags span{padding:6px 10px;background:white;border:1px solid var(--line);border-radius:999px;font-size:.82rem;color:#55575a}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:70px;padding-top:70px;padding-bottom:70px}.article-body{max-width:760px}.article-body section{padding-bottom:14px}.article-aside{min-width:0}
.faq-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}.faq-page-grid .faq-toggle{font-size:1.05rem}.faq-page-grid .faq-answer{font-size:.98rem}
.safety-grid,.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.safety-grid article,.contact-grid article{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.safety-grid span,.contact-grid span{display:inline-block;color:var(--primary);font-weight:850;margin-bottom:20px}.safety-grid h2,.contact-grid h2{font-size:1.22rem;line-height:1.3;color:var(--ink)}.safety-grid p,.contact-grid p{color:var(--muted);font-size:.92rem}
.search-page-head{padding:52px 0;background:var(--ink);color:white}.search-page-head h1{font-size:clamp(2rem,4vw,3.2rem);margin:4px 0 24px}.large-search-form{max-width:760px}.large-search-form label{color:#e7e7e8}.large-search-form input{background:#fff}.search-results{min-height:360px}.search-summary{margin-bottom:24px;color:var(--muted)}.empty-state{max-width:720px;margin:20px auto;text-align:center;padding:42px;background:white;border:1px solid var(--line);border-radius:22px}.empty-state img{margin:0 auto 18px;border-radius:16px}.empty-state h2{color:var(--ink)}.empty-state p{color:var(--muted)}.empty-state .inline-links{justify-content:center}
.error-page{padding:90px 0}.error-box{max-width:760px;text-align:center}.error-code{font-size:6rem;line-height:1;margin:0;color:#d8c8bc;font-weight:900}.error-box h1{font-size:2.5rem;color:var(--ink);margin:10px 0}.error-box>p:not(.error-code){color:var(--muted)}.error-box .hero-actions{justify-content:center}
.site-footer{margin-top:20px;background:var(--ink);color:#c8c8cb;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:46px}.footer-grid h2{color:white;font-size:1rem;margin:0 0 14px}.footer-grid section>a{display:block;padding:5px 0;font-size:.9rem;color:#c8c8cb}.footer-grid section>a:hover{color:#ffd0bd}.footer-grid p{font-size:.9rem}.footer-brand{display:flex;align-items:center;gap:10px;color:white}.footer-brand img{border-radius:10px}.footer-search{margin-top:14px}.footer-search label{color:white;font-size:.86rem}.footer-search input{padding:8px 10px}.footer-search button{padding:7px 10px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dark);font-size:.82rem}.footer-bottom p{margin:0}.footer-bottom a{color:#ffd0bd}
.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:white;color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.12);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:90}.back-top.visible{opacity:1;pointer-events:auto;transform:none}
@media (max-width:1080px){
    :root{--shell:min(100% - 32px,960px)}
    .nav-row{gap:12px}.brand{min-width:180px}.primary-nav{position:absolute;left:16px;right:16px;top:calc(100% + 8px);display:none;flex-direction:column;align-items:stretch;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.primary-nav.open{display:flex}.primary-nav a{padding:12px 14px}.menu-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}.header-topline{display:none}
    .hero-grid,.page-hero-grid,.article-header-grid{gap:38px}.topic-grid.four{grid-template-columns:repeat(2,1fr)}.safety-grid,.contact-grid{grid-template-columns:repeat(2,1fr)}.trust-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}
}
@media (max-width:820px){
    :root{--shell:calc(100% - 28px)}
    .hero,.section{padding:58px 0}.hero-grid,.page-hero-grid,.article-header-grid,.content-two-col,.band-grid,.feature-strip-grid,.faq-preview,.closing-grid,.media-split,.topic-detail-grid,.access-layout,.faq-page-grid,.article-layout{grid-template-columns:1fr}.hero-visual{max-width:680px}.split-heading,.trust-grid,.guide-filter{grid-template-columns:1fr;gap:20px}.story-grid.three{grid-template-columns:repeat(2,1fr)}.topic-feature-grid{grid-template-columns:1fr}.faq-preview-intro,.sticky-panel{position:static}.note-box{grid-template-columns:1fr}.article-layout{gap:30px}.article-body{max-width:none}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid section:last-child{grid-column:auto}.page-hero{padding:46px 0}.page-hero-grid figure{max-width:680px}.hero-copy h1{font-size:3.2rem}.article-aside{order:-1}.article-aside .side-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.article-aside .side-panel h2{grid-column:1/-1}.article-aside .side-panel>a{border:1px solid var(--line);padding:10px;border-radius:10px;text-align:center}
}
@media (max-width:600px){
    :root{--shell:calc(100% - 24px)}
    .nav-row{min-height:72px}.brand{min-width:0}.brand small{display:none}.brand img{width:42px;height:42px}.search-open{padding:8px 10px;font-size:.84rem}.menu-toggle{padding:8px 10px;font-size:.84rem}.hero{padding-top:46px}.hero-grid,.page-hero-grid{gap:28px}.hero-copy h1{font-size:2.45rem}.page-hero h1,.article-header h1{font-size:2.2rem}.hero-lead,.page-hero p,.article-deck{font-size:1rem}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.topic-grid.four,.story-grid.three,.story-grid.two,.safety-grid,.contact-grid{grid-template-columns:1fr}.split-heading{display:block}.section-heading{margin-bottom:24px}.topic-card{min-height:0}.topic-feature{grid-template-columns:1fr}.topic-feature img{width:100%;height:190px}.trust-grid{gap:26px}.faq-answer{padding-right:0}.feature-main{padding:28px}.content-two-col,.media-split{gap:32px}.note-box{padding:22px}.domain-card strong{font-size:1.35rem;word-break:break-all}.article-header{padding:36px 0 42px}.article-layout{padding-top:46px;padding-bottom:46px}.article-aside .side-panel{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{align-items:flex-start;flex-direction:column}.search-panel{padding:28px 20px}.search-input-row,.large-search-form div,.guide-filter form div{flex-direction:column}.large-search-form button,.guide-filter button{width:100%}.error-code{font-size:4.8rem}.error-box h1{font-size:2rem}.breadcrumbs{margin-top:14px}
}
@media (max-width:390px){
    :root{--shell:calc(100% - 20px)}
    .brand strong{font-size:1rem}.nav-row{gap:7px}.search-open{font-size:0;width:38px;height:38px;padding:0}.search-open::after{content:"搜";font-size:.8rem}.menu-toggle{font-size:0;width:38px;height:38px;padding:0}.menu-toggle::after{content:"栏";font-size:.8rem}.hero-copy h1{font-size:2.15rem}.hero-visual{padding:10px}.section{padding:48px 0}.topic-detail-grid h2,.closing-grid h2{font-size:2rem}.article-aside .side-panel{grid-template-columns:1fr}
}