:root{
  --brand:#6D28D9;--brand-soft:#A78BFA;--ink:#27242D;--muted:#716B78;--dark:#17151C;
  --bg:#F7F5FA;--panel:#FFFFFF;--soft:#ECE8F2;--accent:#F59E0B;--line:#DAD4E2;
  --shell:min(1180px,calc(100% - 40px));--radius:22px;--shadow:0 18px 50px rgba(31,23,45,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.72}body.modal-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--dark);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,250,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(109,40,217,.10)}.header-inner{min-height:78px;display:flex;align-items:center;gap:32px}.brand-mark{display:flex;align-items:center;gap:12px;min-width:220px}.brand-mark img{width:48px;height:48px;object-fit:contain;border-radius:12px;background:var(--soft)}.brand-mark span{display:grid;line-height:1.15}.brand-mark strong{font-size:1.28rem;color:var(--dark)}.brand-mark small{font-size:.76rem;color:var(--muted);margin-top:5px}.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}.main-nav>a,.search-open{border:0;background:transparent;padding:10px 13px;border-radius:10px;color:#50495A;cursor:pointer}.main-nav>a:hover,.main-nav>a[aria-current="page"],.search-open:hover{background:#EFEAF8;color:var(--brand)}.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:10px}.breadcrumbs{display:flex;gap:8px;align-items:center;padding-top:18px;color:var(--muted);font-size:.88rem}.breadcrumbs a:hover{color:var(--brand)}.section-pad{padding-block:76px}.eyebrow,.section-kicker,.meta{margin:0 0 10px;color:var(--brand);font-size:.79rem;font-weight:750;letter-spacing:.09em;text-transform:uppercase}.home-lead{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.88fr);gap:64px;align-items:center;padding-block:76px 54px}.lead-copy h1,.page-hero h1,.page-title h1,.reading-head h1{margin:0;color:var(--dark);font-size:clamp(2.2rem,5vw,4.6rem);line-height:1.06;letter-spacing:-.035em}.lead-text{font-size:1.12rem;color:#5C5564;max-width:780px}.lead-actions{display:flex;align-items:center;gap:22px;margin-top:26px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:12px;font-weight:750}.button.primary{background:var(--brand);color:#fff}.button.primary:hover{background:#5720B5}.button.secondary{background:#fff;color:var(--brand);border:1px solid #CFC2E9}.text-link{color:var(--brand);font-weight:750}.text-link::after{content:" →"}.lead-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:34px 0 0}.lead-facts div{padding:16px 14px;border-top:1px solid var(--line)}.lead-facts dt{font-size:.75rem;color:var(--muted)}.lead-facts dd{margin:4px 0 0;font-weight:750}.lead-visual{margin:0;background:var(--dark);padding:18px;border-radius:28px;box-shadow:var(--shadow)}.lead-visual img{border-radius:18px;aspect-ratio:1.42/1;object-fit:cover;width:100%}.lead-visual figcaption{color:#D7D0E2;font-size:.86rem;padding:12px 4px 0}.home-split{display:grid;grid-template-columns:minmax(280px,.65fr) minmax(0,1.35fr);gap:80px;align-items:start}.narrow-copy h2,.section-head h2,.free-copy h2,.directory-intro h2,.topic-tail h2,.closing-map h2,.prose-card h2,.callout h2{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.18;margin:0 0 18px;color:var(--dark)}.narrow-copy p{color:var(--muted)}.text-index{border-top:1px solid var(--line)}.text-index a{display:grid;grid-template-columns:minmax(190px,.75fr) minmax(0,1.25fr);gap:26px;padding:18px 0;border-bottom:1px solid var(--line)}.text-index a:hover span{color:var(--brand)}.text-index span{font-weight:760}.text-index small{color:var(--muted);font-size:.9rem}.watch-zone{background:var(--dark);color:#F2EEF7}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:32px}.section-head>p{max-width:520px;color:var(--muted);margin:0}.watch-zone .section-head h2{color:#fff}.watch-zone .section-head>p{color:#BFB7C9}.watch-zone .section-kicker{color:var(--brand-soft)}.feature-stream{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:32px}.feature-main{border:1px solid rgba(255,255,255,.10);border-radius:24px;overflow:hidden;background:#211E27}.feature-main img{width:100%;aspect-ratio:1.72/1;object-fit:cover}.feature-main>div{padding:26px}.feature-main h3{font-size:1.7rem;line-height:1.22;margin:6px 0 12px}.feature-main p{color:#C8C1D0}.feature-main a{color:#E9DFFF;font-weight:750}.compact-list{display:grid;align-content:start}.compact-list article{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}.compact-list h3{margin:4px 0 8px;font-size:1.08rem}.compact-list p{margin:0;color:#B8B0C1;font-size:.9rem}.compact-list a:hover{color:var(--brand-soft)}.section-link-row{display:flex;gap:24px;align-items:center;margin-top:30px;flex-wrap:wrap}.watch-zone .button.secondary{background:#2A2631;border-color:#554D60;color:#fff}.watch-zone .text-link{color:#D9CCF4}.free-note{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:84px;align-items:start}.free-copy p{color:var(--muted)}.numbered-notes{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.numbered-notes li{display:grid;grid-template-columns:50px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}.numbered-notes span{font-variant-numeric:tabular-nums;color:var(--brand);font-weight:800}.numbered-notes a{font-weight:700}.numbered-notes a:hover{color:var(--brand)}.directory-band{background:var(--soft)}.directory-grid{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:64px}.directory-intro img{border-radius:20px;margin-bottom:24px}.directory-intro p{color:var(--muted)}.directory-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.directory-links a{background:rgba(255,255,255,.72);padding:20px;border:1px solid #DFD8E8;border-radius:16px;transition:.2s ease}.directory-links a:hover{transform:translateY(-2px);border-color:#BCA7E5;background:#fff}.directory-links strong,.directory-links span{display:block}.directory-links strong{font-size:1.05rem}.directory-links span{color:var(--muted);font-size:.88rem;margin-top:7px}.topic-tail{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);gap:70px;align-items:center}.topic-visual img{border-radius:24px;width:100%;aspect-ratio:1.55/1;object-fit:cover}.topic-tail p{color:var(--muted)}.closing-map{background:#fff}.closing-grid{display:grid;grid-template-columns:minmax(280px,.65fr) minmax(0,1.35fr);gap:60px}.closing-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.closing-links a{padding:22px;border-left:3px solid var(--brand);background:var(--bg)}.closing-links strong,.closing-links span{display:block}.closing-links span{font-size:.84rem;color:var(--muted);margin-top:6px}.site-footer{background:var(--dark);color:#EDE9F2;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:46px}.footer-grid h2{font-size:.98rem;margin:0 0 14px;color:#fff}.footer-grid p{color:#B7AFBF;margin:0}.footer-grid a{display:block;color:#CAC3D2;font-size:.9rem;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid #322D3A;margin-top:38px;padding-top:18px;color:#948B9E;font-size:.82rem}.back-top{border:1px solid #494052;background:transparent;color:#DAD3E1;padding:7px 10px;border-radius:9px;cursor:pointer}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;background:rgba(23,21,28,.72);display:grid;place-items:start center;padding:10vh 20px}.search-panel{position:relative;width:min(680px,100%);background:#fff;padding:34px;border-radius:22px;box-shadow:0 30px 100px rgba(0,0,0,.3)}.search-panel h2{margin:0 0 8px;font-size:2rem}.search-panel p{color:var(--muted)}.search-close{position:absolute;right:16px;top:14px;border:0;background:transparent;font-size:2rem;cursor:pointer}.search-panel label,.search-page-form label{display:block;font-weight:700;margin-bottom:7px}.search-row,.search-page-form>div{display:flex;gap:8px}.search-row input,.search-page-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:10px;padding:12px 14px}.search-row button,.search-page-form button{border:0;border-radius:10px;background:var(--brand);color:#fff;font-weight:750;padding:0 18px}.page-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:64px;align-items:center;padding-block:64px 32px}.page-hero h1{font-size:clamp(2.2rem,4vw,3.7rem)}.page-hero p:not(.eyebrow){color:var(--muted);font-size:1.05rem}.page-hero img{border-radius:24px;max-height:420px;width:100%;object-fit:cover}.compact-hero{grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr)}.page-title{padding-block:64px 18px;max-width:1000px}.page-title h1{font-size:clamp(2.1rem,4vw,3.5rem)}.page-title>p:last-child{color:var(--muted);max-width:780px}.prose-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:42px}.prose-card,.callout{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}.prose-card p,.callout p{color:var(--muted)}.callout{background:#F1ECFA}.callout code{display:inline-block;padding:8px 10px;border-radius:8px;background:#fff;color:var(--brand);font-weight:800}.article-list{display:grid;border-top:1px solid var(--line)}.article-list article{display:grid;grid-template-columns:180px minmax(240px,.8fr) minmax(0,1.2fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}.article-list h3,.article-list h2{font-size:1.06rem;line-height:1.45;margin:0}.article-list p{margin:0;color:var(--muted);font-size:.92rem}.article-list .meta{color:var(--brand);font-size:.76rem}.article-list a:hover{color:var(--brand)}.soft-band{background:var(--soft)}.split-links{display:flex;justify-content:space-between;align-items:center;gap:40px}.split-links h2{margin:0 0 10px;font-size:2rem}.split-links p{margin:0;color:var(--muted);max-width:720px}.watch-layout{display:grid;grid-template-columns:minmax(0,1.35fr) 320px;gap:58px;align-items:start}.dense-feed{border-top:1px solid var(--line)}.dense-feed article{display:grid;grid-template-columns:50px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.index-no{font-size:.78rem;font-weight:800;color:var(--brand)}.dense-feed h3{margin:0 0 7px;font-size:1.08rem}.dense-feed p{margin:0;color:var(--muted);font-size:.9rem}.watch-aside{position:sticky;top:110px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:20px}.watch-aside img{border-radius:14px;margin-bottom:18px}.watch-aside h2{font-size:1.25rem}.watch-aside p{color:var(--muted);font-size:.9rem}.free-zone{background:#E7E0F2}.free-zone-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:60px}.free-zone h2{font-size:2.4rem;line-height:1.2;margin:0 0 14px}.free-zone p{color:var(--muted)}.free-zone img{border-radius:18px;margin-top:24px}.mini-articles{display:grid;align-content:start}.mini-articles a{display:grid;grid-template-columns:minmax(190px,.75fr) minmax(0,1.25fr);gap:20px;padding:15px 0;border-bottom:1px solid rgba(109,40,217,.18)}.mini-articles strong{font-size:.95rem}.mini-articles span{color:var(--muted);font-size:.84rem}.mobile-reading .wide-head{align-items:start}.mobile-grid{display:grid;grid-template-columns:minmax(280px,.75fr) minmax(0,1.25fr);gap:50px}.mobile-grid img{border-radius:20px}.topic-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.topic-stack a{padding:16px 0;border-bottom:1px solid var(--line);font-weight:700}.topic-stack a:hover{color:var(--brand)}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;padding-block:18px;border-bottom:1px solid var(--line)}.filter-bar a{padding:8px 11px;border-radius:999px;border:1px solid var(--line);font-size:.86rem;background:#fff}.filter-bar a[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:#fff}.list-summary{display:flex;gap:10px;align-items:baseline;margin-bottom:18px;color:var(--muted)}.list-summary strong{font-size:2rem;color:var(--dark)}.article-list-two article{grid-template-columns:150px minmax(250px,.9fr) minmax(0,1.1fr)}.reading{max-width:900px}.reading-head{max-width:840px}.reading-head h1{font-size:clamp(2.2rem,5vw,4rem)}.reading-deck{font-size:1.14rem;color:var(--muted);max-width:760px}.reading-image{margin:38px 0}.reading-image img{width:100%;border-radius:24px;aspect-ratio:1.85/1;object-fit:cover}.reading-body{font-size:1.055rem;max-width:780px}.reading-body p{margin:0 0 22px}.reading-body h2{font-size:1.75rem;line-height:1.25;margin:44px 0 16px}.article-checklist{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.article-checklist li{position:relative;padding:16px 0 16px 34px;border-bottom:1px solid var(--line)}.article-checklist li::before{content:'✓';position:absolute;left:2px;top:16px;color:var(--brand);font-weight:900}.decision-list{margin:0;border-top:1px solid var(--line)}.decision-list>div{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}.decision-list dt{font-weight:800;color:var(--brand)}.decision-list dd{margin:0;color:#514B59}.reading-footer{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted)}.related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.related-row a{background:#fff;border:1px solid var(--line);padding:16px;border-radius:12px;font-weight:700}.topic-editorial{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:64px}.topic-note{background:#fff;padding:28px;border-radius:20px;border:1px solid var(--line)}.topic-note h2{margin-top:0}.topic-note p{color:var(--muted)}.topic-index{border-top:1px solid var(--line)}.topic-index a{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.topic-index span{color:var(--muted);font-size:.88rem}.button-pair{display:flex;gap:10px;flex-wrap:wrap}.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.steps article{position:relative;background:#fff;border:1px solid var(--line);padding:26px 28px 28px 74px;border-radius:18px}.steps span{position:absolute;left:26px;top:28px;color:var(--brand);font-weight:850}.steps h2{margin:0 0 8px;font-size:1.25rem}.steps p{margin:0;color:var(--muted)}.guide-mobile{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);gap:50px;align-items:center}.guide-mobile img{border-radius:20px}.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:54px;align-items:start}.faq-art{position:sticky;top:110px;border-radius:20px}.faq-list{border-top:1px solid var(--line)}.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;text-align:left;border:0;background:transparent;padding:20px 0;font-weight:780;cursor:pointer}.faq-item button span{color:var(--brand);font-size:1.3rem}.faq-answer{padding:0 0 22px}.faq-answer p{margin:0;color:var(--muted)}.editorial-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.editorial-columns article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}.editorial-columns h2{margin-top:0}.editorial-columns p{color:var(--muted);margin-bottom:0}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.contact-grid article{background:#fff;border:1px solid var(--line);padding:28px;border-radius:20px}.contact-grid h2{margin-top:0}.contact-grid li{margin:.5em 0}.legal-copy{max-width:820px}.legal-copy h2{margin-top:36px}.legal-copy p{color:#514B59}.legal-copy code{background:#EEE9F4;padding:2px 6px;border-radius:6px}.safety-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.safety-list article{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px}.safety-list h2{font-size:1.08rem;margin:0 0 8px}.safety-list p{margin:0;color:var(--muted);font-size:.9rem}.search-page{max-width:900px}.search-page-form{background:#fff;padding:22px;border:1px solid var(--line);border-radius:16px}.search-result-count{margin:24px 0;color:var(--muted)}.search-results{border-top:1px solid var(--line)}.search-results article{padding:20px 0;border-bottom:1px solid var(--line)}.search-results h2{font-size:1.15rem;margin:0 0 7px}.search-results p{margin:0;color:var(--muted)}.empty-state{text-align:center;padding:50px 0}.empty-state img{margin:0 auto 24px;border-radius:20px}.not-found{max-width:900px;text-align:center}.error-code{font-size:clamp(5rem,16vw,11rem);line-height:.9;color:#D6C7EF;font-weight:900;margin:0}.not-found h1{font-size:clamp(2rem,4vw,3.5rem);margin:20px 0 12px}.not-found>p:not(.error-code){color:var(--muted)}.not-found-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:36px;text-align:left}.not-found-links a{background:#fff;border:1px solid var(--line);padding:20px;border-radius:14px}.not-found-links strong,.not-found-links span{display:block}.not-found-links span{color:var(--muted);font-size:.85rem;margin-top:6px}
@media (max-width:1024px){:root{--shell:min(100% - 32px,960px)}.home-lead,.page-hero{grid-template-columns:1fr;gap:34px}.lead-visual{max-width:760px}.home-split,.directory-grid,.free-note,.free-zone-grid,.topic-tail,.closing-grid,.topic-editorial{gap:40px}.feature-stream{grid-template-columns:1fr}.watch-layout{grid-template-columns:1fr}.watch-aside{position:static;display:grid;grid-template-columns:240px 1fr;gap:18px;align-items:start}.watch-aside img{margin:0}.footer-grid{grid-template-columns:repeat(2,1fr)}.article-list article,.article-list-two article{grid-template-columns:140px minmax(220px,.8fr) minmax(0,1.2fr)}.faq-layout{grid-template-columns:240px 1fr}}
@media (max-width:820px){.header-inner{min-height:70px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav>a,.search-open{text-align:left}.brand-mark{min-width:0}.home-split,.free-note,.directory-grid,.topic-tail,.closing-grid,.prose-grid,.free-zone-grid,.mobile-grid,.topic-editorial,.guide-mobile,.faq-layout{grid-template-columns:1fr}.text-index a,.mini-articles a,.topic-index a{grid-template-columns:1fr;gap:5px}.directory-links{grid-template-columns:1fr}.closing-links{grid-template-columns:1fr}.watch-aside{display:block}.watch-aside img{margin-bottom:18px;max-width:420px}.article-list article,.article-list-two article{grid-template-columns:1fr;gap:7px}.article-list .meta{margin:0}.related-row{grid-template-columns:1fr}.faq-art{position:static;max-width:420px}.footer-grid{grid-template-columns:1fr 1fr}.steps,.editorial-columns,.contact-grid,.safety-list{grid-template-columns:1fr}.split-links{align-items:flex-start;flex-direction:column}.section-head{align-items:flex-start;flex-direction:column;gap:10px}.topic-stack{grid-template-columns:1fr}}
@media (max-width:600px){:root{--shell:calc(100% - 24px)}.section-pad{padding-block:52px}.home-lead{padding-block:48px 28px}.lead-copy h1,.page-hero h1,.page-title h1,.reading-head h1{font-size:2.25rem}.lead-facts{grid-template-columns:1fr}.lead-facts div{display:flex;justify-content:space-between;gap:20px}.page-hero{padding-block:40px 20px}.footer-grid{grid-template-columns:1fr}.footer-bottom{align-items:flex-start;flex-direction:column}.search-panel{padding:26px 20px}.search-row,.search-page-form>div{flex-direction:column}.search-row button,.search-page-form button{min-height:44px}.numbered-notes li{grid-template-columns:40px 1fr}.watch-zone .feature-main h3{font-size:1.35rem}.steps article{padding-left:62px}.not-found-links{grid-template-columns:1fr}.button-pair{width:100%}.button-pair .button{flex:1}.breadcrumbs{overflow:auto;white-space:nowrap;padding-bottom:4px}}
@media (max-width:375px){.brand-mark small{display:none}.brand-mark img{width:42px;height:42px}.lead-actions{align-items:stretch;flex-direction:column}.lead-actions .button{text-align:center}.lead-facts dd{text-align:right}.feature-main>div{padding:20px}.directory-links a,.editorial-columns article,.contact-grid article{padding:18px}.reading-body{font-size:1rem}.page-hero h1,.page-title h1,.reading-head h1{font-size:2rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}