/* 91wa-application.cloud — editorial content layout */
:root{--brand:#6D28D9;--brand-soft:#A78BFA;--ink:#27242D;--muted:#716B78;--deep:#17151C;--bg:#F7F5FA;--panel:#ECE8F2;--accent:#F59E0B;--white:#fff;--line:rgba(39,36,45,.12);--shadow:0 18px 50px rgba(23,21,28,.08);--radius:22px;--max:1180px;--narrow:860px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:var(--deep);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,250,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{max-width:var(--max);margin:0 auto;min-height:76px;padding:0 24px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}.brand img{width:44px;height:44px;object-fit:contain;border-radius:12px}.brand-copy{display:grid;line-height:1.2}.brand-copy strong{font-size:20px}.brand-copy small{font-size:12px;color:var(--muted);margin-top:4px}.primary-nav{display:flex;align-items:center;gap:4px}.primary-nav a{padding:9px 11px;border-radius:999px;text-decoration:none;font-size:14px}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--panel);color:var(--brand)}.search-trigger,.menu-toggle{border:0;border-radius:999px;background:var(--deep);color:#fff;padding:10px 15px;cursor:pointer}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:120;background:rgba(23,21,28,.72);display:grid;place-items:start center;padding:12vh 20px 20px}.search-panel{width:min(680px,100%);background:#fff;border-radius:24px;padding:26px;box-shadow:0 30px 100px rgba(0,0,0,.25)}.search-panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.search-panel-head h2{margin:0;font-size:24px}.icon-button{border:0;background:var(--panel);border-radius:999px;padding:8px 12px;cursor:pointer}.search-form{margin-top:20px}.search-form label,.search-page-form label{font-weight:700;display:block;margin-bottom:8px}.search-row,.search-page-form>div{display:flex;gap:10px}.search-row input,.search-page-form input{flex:1;min-width:0;border:1px solid rgba(39,36,45,.2);border-radius:12px;padding:13px 14px;background:#fff}.search-row button,.search-page-form button{border:0;border-radius:12px;background:var(--brand);color:#fff;padding:0 22px;cursor:pointer}.search-help{color:var(--muted);font-size:14px;margin:12px 0 0}.home-hero{max-width:var(--max);margin:0 auto;padding:72px 24px 54px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:56px;align-items:center}.eyebrow{margin:0 0 10px;text-transform:none;color:var(--brand);font-weight:800;letter-spacing:.04em;font-size:13px}.home-hero h1,.page-intro h1,.video-intro h1,.category-head h1,.article-header h1{font-size:clamp(38px,6vw,70px);line-height:1.06;letter-spacing:-.045em;margin:0}.hero-lead,.lead{font-size:19px;line-height:1.8;color:#4f4a56;margin:24px 0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 18px;border-radius:12px;text-decoration:none;font-weight:750}.button.primary{background:var(--brand);color:#fff}.button.secondary{border:1px solid rgba(109,40,217,.28);background:#fff;color:var(--brand)}.button.accent{background:var(--accent);color:#2b1d00}.text-button{color:#fff;font-weight:700}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:34px 0 0}.hero-facts div{border-top:1px solid var(--line);padding-top:12px}.hero-facts dt{font-size:12px;color:var(--muted)}.hero-facts dd{margin:3px 0 0;font-weight:700;font-size:14px}.home-hero-media{margin:0;position:relative}.home-hero-media:before{content:"";position:absolute;inset:7% -5% -7% 12%;background:var(--panel);border-radius:32px;z-index:-1}.home-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.home-hero-media figcaption,.article-cover figcaption{font-size:12px;color:var(--muted);margin-top:10px}.section-heading{max-width:760px;margin-bottom:28px}.section-heading.compact{margin-bottom:20px}.section-heading h2,.free-copy h2,.guide-band h2,.topic-tail h2,.home-close h2,.topic-feature h2,.search-callout h2,.page-cta h2,.next-path h2{font-size:clamp(28px,4vw,46px);line-height:1.15;letter-spacing:-.03em;margin:0 0 12px}.section-heading p:not(.eyebrow){color:var(--muted);margin:0}.brand-strip{max-width:var(--max);margin:0 auto;padding:42px 24px 74px}.text-index{display:grid;border-top:1px solid var(--line)}.text-index.four{grid-template-columns:repeat(2,1fr)}.index-link{display:block;padding:22px 24px 22px 0;border-bottom:1px solid var(--line);text-decoration:none}.index-link:nth-child(odd){border-right:1px solid var(--line)}.index-link:nth-child(even){padding-left:24px}.index-link strong{display:block;font-size:18px;margin-bottom:6px}.index-link span{color:var(--muted);font-size:14px}.index-link:hover strong{color:var(--brand)}.section-link{margin:22px 0 0}.section-link a{color:var(--brand);font-weight:800}.watch-feature{background:var(--deep);color:#fff;padding:80px max(24px,calc((100vw - var(--max))/2 + 24px))}.section-heading.light{max-width:820px}.section-heading.light .eyebrow{color:var(--brand-soft)}.section-heading.light p:not(.eyebrow){color:#bcb6c4}.watch-layout{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr);gap:46px;align-items:start}.feature-image{margin:0;position:sticky;top:110px}.feature-image img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.watch-list{border-top:1px solid rgba(255,255,255,.12)}.watch-row{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.12)}.watch-row .number{color:var(--brand-soft);font-variant-numeric:tabular-nums}.watch-row h3{margin:0 0 6px;font-size:20px}.watch-row h3 a{text-decoration:none}.watch-row p{margin:0;color:#bcb6c4;font-size:14px}.section-actions{display:flex;align-items:center;gap:22px;margin-top:30px}.free-note{max-width:var(--max);margin:0 auto;padding:76px 24px;display:grid;grid-template-columns:1fr 380px;gap:60px;align-items:center}.free-copy{max-width:670px}.free-copy p{color:var(--muted)}.free-copy>a{font-weight:800;color:var(--brand)}.free-note img{border-radius:24px;aspect-ratio:4/3;object-fit:cover}.directory-section{max-width:var(--max);margin:0 auto;padding:20px 24px 78px}.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}.directory-item{padding:26px;text-decoration:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:180px}.directory-item:nth-child(3n){border-right:0}.directory-item:nth-last-child(-n+3){border-bottom:0}.directory-item>span{font-size:20px;font-weight:800}.directory-item p{color:var(--muted);font-size:14px;margin:10px 0 0}.directory-item:hover{background:#faf8fd}.directory-item:hover>span{color:var(--brand)}.guide-band{background:var(--panel);padding:70px max(24px,calc((100vw - var(--max))/2 + 24px))}.guide-band-head{display:flex;justify-content:space-between;align-items:end;gap:28px}.guide-band-head>a{color:var(--brand);font-weight:800}.guide-steps{list-style:none;counter-reset:step;margin:34px 0 0;padding:0;border-top:1px solid var(--line)}.guide-steps li{counter-increment:step;display:grid;grid-template-columns:60px minmax(240px,.8fr) 1.2fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}.guide-steps li:before{content:"0" counter(step);color:var(--brand);font-weight:800}.guide-steps a{font-weight:800;text-decoration:none}.guide-steps p{margin:0;color:var(--muted);font-size:14px}.topic-tail{max-width:var(--max);margin:0 auto;padding:82px 24px;display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}.topic-tail figure{margin:0}.topic-tail img{border-radius:28px;aspect-ratio:3/2;object-fit:cover}.topic-tail p:not(.eyebrow){color:var(--muted)}.topic-tail a{color:var(--brand);font-weight:800}.home-close{background:#fff;padding:70px max(24px,calc((100vw - var(--max))/2 + 24px));display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.close-links{display:grid;gap:0;border-top:1px solid var(--line)}.close-links a{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none}.close-links a:hover strong{color:var(--brand)}.close-links span{color:var(--muted);font-size:14px}.page-shell{max-width:var(--max);margin:0 auto;padding:36px 24px 84px}.narrow-page{max-width:940px}.breadcrumb{margin:2px 0 36px;font-size:13px;color:var(--muted)}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:7px;list-style:none;margin:0;padding:0}.breadcrumb li+li:before{content:"/";margin-right:7px;color:#aaa3af}.breadcrumb a{text-decoration:none}.page-intro{padding:26px 0 50px;max-width:900px}.page-intro h1{font-size:clamp(40px,6vw,68px)}.split-intro{display:grid;grid-template-columns:1fr 340px;gap:54px;max-width:none;align-items:start}.fact-panel{background:var(--deep);color:#fff;padding:24px;border-radius:20px}.fact-panel h2{font-size:18px;margin:0 0 12px}.fact-panel ol{margin:0;padding-left:22px;color:#d7d3db}.image-intro{display:grid;grid-template-columns:1fr 420px;gap:50px;align-items:center;max-width:none}.image-intro img{border-radius:22px;aspect-ratio:3/2;object-fit:cover}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:22px 0 64px}.prose-grid article{border-top:2px solid var(--deep);padding-top:20px}.prose-grid h2,.two-column-prose h2,.prose-stack h2,.safety-grid h2,.prose-card h2{font-size:25px;line-height:1.25;margin:0 0 14px}.prose-grid p,.two-column-prose p,.prose-stack p,.safety-grid p,.prose-card p{color:#514c57}.editorial-list-section{padding:34px 0 70px}.editorial-list{display:grid;gap:0;border-top:1px solid var(--line)}.editorial-list.two-col{grid-template-columns:1fr 1fr}.editorial-list article{padding:22px 0;border-bottom:1px solid var(--line)}.editorial-list.two-col article:nth-child(odd){padding-right:24px;border-right:1px solid var(--line)}.editorial-list.two-col article:nth-child(even){padding-left:24px}.editorial-list h3{margin:4px 0 8px;font-size:20px}.editorial-list h3 a{text-decoration:none}.editorial-list h3 a:hover{color:var(--brand)}.editorial-list p{margin:0;color:var(--muted);font-size:14px}.list-kicker{font-size:12px;color:var(--brand);font-weight:800}.next-path{display:grid;grid-template-columns:360px 1fr;gap:40px;align-items:center;background:var(--panel);padding:34px;border-radius:26px}.next-path img{border-radius:18px;aspect-ratio:3/2;object-fit:cover}.next-path p{color:var(--muted)}.video-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:24px 0 58px}.video-intro h1{font-size:clamp(42px,6vw,72px)}.video-intro figure{margin:0}.video-intro img{border-radius:28px;aspect-ratio:3/2;object-fit:cover}.video-index-block{display:grid;grid-template-columns:280px 1fr;gap:50px;align-items:start}.video-index-aside{position:sticky;top:110px}.video-index-aside h2{font-size:25px;line-height:1.3}.mini-directory{display:grid;border-top:1px solid var(--line)}.mini-directory a{padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px}.mini-directory a:hover{color:var(--brand)}.video-rows{border-top:1px solid var(--line)}.video-row-card{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.video-row-meta{display:grid;align-content:start;gap:6px;color:var(--muted);font-size:12px}.video-row-meta span:first-child{font-size:22px;color:var(--brand);font-weight:800}.video-row-card h2{margin:0 0 7px;font-size:25px}.video-row-card h2 a{text-decoration:none}.video-row-card p{color:var(--muted);margin:0 0 12px}.inline-arrow{color:var(--brand);font-weight:750;font-size:14px}.discover-rail{padding:76px 0}.rail-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.rail-grid a{padding:24px;text-decoration:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.rail-grid strong{display:block;margin-bottom:8px}.rail-grid span{display:block;color:var(--muted);font-size:13px}.rail-grid a:hover strong{color:var(--brand)}.free-inline{display:flex;justify-content:space-between;gap:40px;align-items:center;background:var(--deep);color:#fff;padding:34px 38px;border-radius:24px}.free-inline p{color:#c8c2cc;margin-bottom:0;max-width:720px}.two-column-prose{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:30px 0 52px}.two-column-prose article{background:#fff;border:1px solid var(--line);padding:28px;border-radius:20px}.topic-feature{display:grid;grid-template-columns:440px 1fr;gap:44px;align-items:center;padding:20px 0 62px}.topic-feature img{border-radius:24px;aspect-ratio:3/2;object-fit:cover}.topic-feature p{color:var(--muted)}.topic-feature a{color:var(--brand);font-weight:800}.topic-columns{display:grid;grid-template-columns:1fr 1fr;gap:46px}.topic-columns>div>h2{font-size:28px;margin:0 0 18px}.topic-line{display:block;padding:17px 0;border-top:1px solid var(--line);text-decoration:none}.topic-line strong{display:block}.topic-line span{display:block;color:var(--muted);font-size:13px;margin-top:5px}.topic-line:hover strong{color:var(--brand)}.topic-columns .button{margin-top:20px}.prose-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;margin-bottom:44px}.guide-overview{padding:30px 0 58px}.guide-overview>h2{font-size:30px}.guide-overview ol{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.guide-overview li{padding:24px;border-right:1px solid var(--line)}.guide-overview li:last-child{border-right:0}.guide-overview strong{display:block;color:var(--brand);margin-bottom:8px}.guide-overview span{font-size:13px;color:var(--muted)}.search-callout{display:grid;grid-template-columns:340px 1fr;gap:40px;align-items:center;background:var(--panel);padding:32px;border-radius:24px}.search-callout img{border-radius:18px}.search-callout p{color:var(--muted)}.search-callout a{font-weight:800;color:var(--brand)}.faq-list{border-top:1px solid var(--line);margin-bottom:54px}.faq-item{border-bottom:1px solid var(--line)}.faq-item h2{margin:0}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:none;padding:20px 0;font-size:18px;font-weight:800;cursor:pointer}.faq-answer{padding:0 44px 20px 0}.faq-answer p{margin:0;color:var(--muted)}.page-cta{background:var(--deep);color:#fff;border-radius:24px;padding:34px}.page-cta p{color:#c9c3ce}.prose-stack{display:grid;gap:24px}.prose-stack article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.prose-stack code{background:var(--panel);padding:2px 6px;border-radius:6px}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safety-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px}.category-head{display:grid;grid-template-columns:1fr 420px;gap:50px;align-items:center;padding:20px 0 54px}.category-head img{border-radius:24px;aspect-ratio:3/2;object-fit:cover}.count-note{font-size:13px;color:var(--muted)}.category-list{border-top:1px solid var(--line)}.category-list article{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}.category-number{font-size:22px;font-weight:800;color:var(--brand)}.category-list h2{font-size:24px;margin:0 0 8px}.category-list h2 a{text-decoration:none}.category-list p{color:var(--muted);margin:0 0 10px}.related-core{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:40px;background:var(--panel);padding:22px;border-radius:18px}.related-core h2{font-size:16px;margin:0 auto 0 0}.related-core a{color:var(--brand);font-size:14px;font-weight:750}.article-page{max-width:1040px}.article-layout{max-width:820px;margin:0 auto}.article-header{padding:18px 0 34px}.article-header h1{font-size:clamp(38px,6vw,64px)}.article-cover{margin:0 0 38px}.article-cover img{width:100%;border-radius:24px;aspect-ratio:16/9;object-fit:cover}.article-body{font-size:17px}.article-body h2{font-size:29px;line-height:1.3;margin:46px 0 14px}.article-body p{margin:0 0 22px;color:#49444f}.checklist{background:var(--panel);border-radius:20px;padding:26px;margin:42px 0}.checklist h2{margin-top:0}.checklist ul{margin:0;padding-left:22px}.checklist li+li{margin-top:8px}.takeaway{border-left:4px solid var(--brand);padding:14px 18px;background:#fff;border-radius:0 12px 12px 0}.related-reading{padding:72px 0 20px}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.related-grid a{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;text-decoration:none}.related-grid span{font-size:11px;color:var(--brand);font-weight:800}.related-grid strong{display:block;font-size:18px;margin:6px 0}.related-grid p{margin:0;color:var(--muted);font-size:13px}.back-category{text-align:center;margin-top:30px}.back-category a{color:var(--brand);font-weight:800}.search-page-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:38px}.empty-state{text-align:center;padding:54px 20px;background:var(--panel);border-radius:22px}.empty-state h2{font-size:28px}.empty-state p{color:var(--muted)}.empty-links{display:flex;flex-wrap:wrap;justify-content:center;gap:15px}.empty-links a,.empty-state>a{color:var(--brand);font-weight:800}.search-results{border-top:1px solid var(--line)}.search-results article{padding:22px 0;border-bottom:1px solid var(--line)}.search-results article>span{font-size:11px;color:var(--brand);font-weight:800}.search-results h2{font-size:22px;margin:4px 0}.search-results h2 a{text-decoration:none}.search-results p{margin:0;color:var(--muted)}.not-found{min-height:68vh;display:grid;place-items:center;padding:60px 24px}.not-found-card{max-width:680px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:50px;box-shadow:var(--shadow)}.status-code{font-size:14px;color:var(--brand);font-weight:900}.not-found h1{font-size:46px;margin:0 0 14px}.not-found-card>p:not(.status-code){color:var(--muted)}.not-found-links{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;align-items:center;margin-top:26px}.not-found-links>a:not(.button){color:var(--brand);font-weight:750}.site-footer{background:var(--deep);color:#fff;padding:58px max(24px,calc((100vw - var(--max))/2 + 24px)) 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 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@media (max-width:1024px){.primary-nav{position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{border-radius:10px}.menu-toggle{display:inline-flex}.search-trigger{padding:9px 12px}.home-hero,.video-intro{grid-template-columns:1fr 380px;gap:34px}.hero-facts{grid-template-columns:1fr}.watch-layout{grid-template-columns:1fr}.feature-image{position:relative;top:auto;max-width:620px}.directory-grid{grid-template-columns:repeat(2,1fr)}.directory-item:nth-child(3n){border-right:1px solid var(--line)}.directory-item:nth-child(2n){border-right:0}.directory-item:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.directory-item:nth-last-child(-n+2){border-bottom:0}.guide-overview ol{grid-template-columns:repeat(2,1fr)}.guide-overview li:nth-child(2){border-right:0}.guide-overview li:nth-child(-n+2){border-bottom:1px solid var(--line)}.split-intro,.image-intro,.category-head{grid-template-columns:1fr 320px}.topic-feature{grid-template-columns:340px 1fr}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.video-index-block{grid-template-columns:220px 1fr}}
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.guide-notes{padding:70px 0 0}.guide-note-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.guide-note-grid a{display:block;padding:22px;text-decoration:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:190px}.guide-note-grid span{font-size:11px;font-weight:900;color:var(--brand)}.guide-note-grid strong{display:block;margin:7px 0;font-size:17px}.guide-note-grid p{margin:0;color:var(--muted);font-size:13px}.guide-note-grid a:hover strong{color:var(--brand)}.note-pagination{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:56px}.note-pagination a{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none}.note-pagination span{display:block;color:var(--muted);font-size:11px;margin-bottom:4px}.note-pagination strong{font-size:14px}.note-pagination a:hover strong{color:var(--brand)}
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