:root{
  --brand:#6D28D9;--brand-soft:#A78BFA;--ink:#27242D;--muted:#716B78;--dark:#17151C;
  --bg:#F7F5FA;--soft:#ECE8F2;--accent:#F59E0B;--line:#D9D2E2;--white:#fff;
  --shadow:0 14px 38px rgba(39,36,45,.09);--radius:22px;--max:1180px;--narrow:820px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","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}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;padding:10px 16px;background:var(--accent);color:#1b1406;border-radius:10px}.skip-link:focus{top:16px}.content-shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.content-shell.narrow{width:min(calc(100% - 40px),var(--narrow))}.section{padding:88px 0}.section-soft{background:var(--soft)}.section-dark{background:var(--dark);color:#f6f3f9}.eyebrow{margin:0 0 14px;color:var(--brand);font-size:.78rem;line-height:1.2;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.section-dark .eyebrow{color:var(--brand-soft)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.06;letter-spacing:-.04em;margin-bottom:24px}h2{font-size:clamp(1.65rem,3vw,2.7rem);line-height:1.14;letter-spacing:-.025em}h3{font-size:1.2rem;line-height:1.35}.lead{font-size:1.18rem;color:inherit;opacity:.9;max-width:780px}.meta{display:inline-block;color:var(--muted);font-size:.83rem;letter-spacing:.02em}.section-dark .meta{color:#c7bfd0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;font-weight:800;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.button:hover{transform:translateY(-1px)}.button-accent{background:var(--accent);color:#201606;box-shadow:0 8px 20px rgba(245,158,11,.18)}.button-ghost{border-color:var(--brand);color:var(--brand);background:transparent}.text-link,.inline-arrow{font-weight:800;color:var(--brand)}.section-dark .text-link{color:#d4c5ff}.site-header{position:sticky;top:0;z-index:100;background:rgba(247,245,250,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(109,40,217,.1)}.header-shell{width:min(calc(100% - 40px),var(--max));margin:auto;min-height:78px;display:flex;align-items:center;gap:24px}.brand-mark{display:flex;align-items:center;gap:11px;min-width:220px}.brand-mark img{width:46px;height:46px;object-fit:contain;border-radius:12px}.brand-mark span{display:flex;flex-direction:column;line-height:1.2}.brand-mark strong{font-size:1.22rem}.brand-mark small{margin-top:4px;color:var(--muted);font-size:.72rem}.site-nav{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}.site-nav a{padding:9px 11px;border-radius:9px;font-size:.92rem;color:#4c4652}.site-nav a:hover{background:var(--soft);color:var(--brand)}.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:10px;padding:9px 13px;cursor:pointer}.menu-toggle{display:none}.home-intro{padding:74px 0 62px}.intro-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.intro-copy .lead{color:#d8d1de}.intro-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:32px 0}.intro-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:40px 0 0}.intro-facts div{padding-top:15px;border-top:1px solid rgba(255,255,255,.16)}.intro-facts dt{font-size:.72rem;color:#a99eaf}.intro-facts dd{margin:7px 0 0;font-size:.9rem;font-weight:700}.intro-visual{margin:0}.intro-visual img{width:100%;aspect-ratio:1.35/1;object-fit:cover;border-radius:30px;border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 60px rgba(0,0,0,.24)}.intro-visual figcaption{margin-top:12px;color:#a99eaf;font-size:.8rem}.narrow-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}.prose.compact p{font-size:1.04rem}.section-heading{max-width:840px;margin-bottom:38px}.section-heading p{color:var(--muted)}.split-heading{max-width:none;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}.split-heading>p{margin-bottom:10px}.watch-stage{padding-top:64px}.watch-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:32px}.featured-story{background:var(--dark);border-radius:var(--radius);overflow:hidden;color:#f5f0f8}.featured-story img{width:100%;aspect-ratio:1.7/1;object-fit:cover}.featured-story>div{padding:28px}.featured-story p{color:#cfc6d4}.featured-story a{color:#d8c6ff;font-weight:800}.tag{display:inline-flex;background:var(--accent);color:#241805;padding:5px 9px;border-radius:999px;font-size:.72rem;font-weight:900;margin-bottom:12px}.index-stack{display:flex;flex-direction:column;border-top:1px solid var(--line)}.index-row{display:grid;grid-template-columns:40px 1fr 20px;gap:16px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line)}.index-number{color:var(--brand);font-weight:900}.index-row strong{display:block;margin-bottom:5px}.index-row small{display:block;color:var(--muted);line-height:1.5}.editorial-band{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center}.editorial-band.reverse{grid-template-columns:1.08fr .92fr}.editorial-band.reverse figure{order:2}.editorial-band figure{margin:0}.editorial-band img{width:100%;aspect-ratio:1.48/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.prose p,.prose li{font-size:1.02rem;color:#403a45}.prose a{color:var(--brand);font-weight:760}.editorial-list{border-top:1px solid var(--line)}.editorial-row{display:grid;grid-template-columns:170px 1fr 36px;gap:26px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.editorial-row .thumb img{width:170px;aspect-ratio:1.53/1;object-fit:cover;border-radius:14px}.editorial-row h3{margin:6px 0 8px}.editorial-row p{margin:0;color:var(--muted);font-size:.94rem}.row-arrow{font-size:1.5rem;color:var(--brand)}.section-more{margin-top:28px;text-align:right}.section-more a{font-weight:850;color:var(--brand)}.guide-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px}.step-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.16)}.step-list li{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.16)}.step-list>li>span{color:var(--brand-soft);font-weight:900}.step-list strong{font-size:1.03rem}.step-list p{margin:7px 0 0;color:#bdb3c2}.topic-lines{border-top:2px solid var(--ink)}.topic-lines>a{display:grid;grid-template-columns:50px 1.2fr 100px 1.5fr;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.topic-lines>a>span{font-weight:900;color:var(--brand)}.topic-lines strong{font-size:1.05rem}.topic-lines em{font-style:normal;font-size:.78rem;background:var(--soft);border-radius:999px;padding:5px 9px;text-align:center}.topic-lines p{margin:0;color:var(--muted);font-size:.9rem}.faq-split{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq-split>div:first-child p{color:var(--muted)}.faq-split a{color:var(--brand);font-weight:800}.mini-faq details,.faq-full details{border-bottom:1px solid var(--line)}.mini-faq summary,.faq-full summary{cursor:pointer;list-style:none;font-weight:800;padding:19px 0}.mini-faq summary::-webkit-details-marker,.faq-full summary::-webkit-details-marker{display:none}.mini-faq p{color:var(--muted);padding-bottom:20px}.closing-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px}.closing-links{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.16)}.closing-links a{display:grid;grid-template-columns:1fr .85fr;gap:22px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.16)}.closing-links span{color:#bfb4c4;font-size:.9rem}.closing-links.light{border-color:var(--line)}.closing-links.light a{border-color:var(--line)}.closing-links.light span{color:var(--muted)}.page-hero{padding:72px 0;background:linear-gradient(180deg,#efeafb 0%,var(--bg) 100%)}.compact-hero{padding:60px 0}.compact-hero.section-dark{background:var(--dark)}.compact-hero .lead{max-width:760px}.breadcrumbs{margin-bottom:26px}.breadcrumbs ol{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0}.breadcrumbs li{font-size:.8rem;color:var(--muted)}.section-dark .breadcrumbs li{color:#a99eaf}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa}.breadcrumbs a:hover{color:var(--brand)}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:70px;align-items:start}.longform{max-width:760px}.longform h2{margin-top:46px}.longform p{font-size:1.04rem;line-height:1.9}.longform ul{padding-left:22px}.longform li{margin-bottom:10px}.note-box,.checklist{margin:38px 0;padding:24px;background:var(--soft);border-left:4px solid var(--brand);border-radius:0 14px 14px 0}.note-box p{margin-bottom:0}.side-panel{border:1px solid var(--line);background:#fff;border-radius:18px;padding:18px}.side-panel.sticky{position:sticky;top:110px}.side-panel img{width:100%;aspect-ratio:1.4/1;object-fit:cover;border-radius:12px;margin-bottom:18px}.side-panel h2{font-size:1.15rem}.side-panel>a:not(.button){display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:750;color:var(--brand)}.side-link span,.side-link small{display:block}.side-link small{margin-top:5px;color:var(--muted);font-weight:400;line-height:1.45}.side-panel .button{margin-top:16px;width:100%}.watch-hero{background:var(--dark);color:#f5eff8;padding:64px 0}.watch-hero-grid{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.watch-hero-grid img{border-radius:24px;aspect-ratio:1.42/1;object-fit:cover}.watch-hero .lead{color:#d1c6d6}.category-ledger{border-top:2px solid var(--ink)}.category-ledger a{display:grid;grid-template-columns:180px 1fr 70px;gap:26px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}.category-ledger span{color:var(--muted)}.category-ledger em{font-style:normal;text-align:right;color:var(--brand);font-weight:800}.dense-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.dense-grid article{background:#fff;border-radius:18px;overflow:hidden;border:1px solid rgba(109,40,217,.09)}.dense-grid .image-link img{width:100%;aspect-ratio:1.54/1;object-fit:cover}.dense-grid article>div{padding:20px}.dense-grid h3{margin:6px 0 8px}.dense-grid p{color:var(--muted);font-size:.9rem}.dense-grid .inline-arrow{font-size:.88rem}.filter-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px}.filter-nav a{padding:8px 12px;border-radius:999px;background:var(--soft);color:#544e59;font-size:.88rem}.filter-nav a.active{background:var(--brand);color:#fff}.library-list{border-top:2px solid var(--ink)}.library-list article{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}.library-id{font-size:2rem;font-weight:900;color:#d2c7dc}.library-list h2{font-size:1.35rem;margin:6px 0 8px}.library-list p{color:var(--muted);margin-bottom:8px}.library-list a{color:var(--brand);font-weight:800}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px}.pagination a{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff}.pagination a.active{background:var(--brand);border-color:var(--brand);color:#fff}.article-header{padding:60px 0 36px}.article-header h1{font-size:clamp(2.1rem,4vw,3.7rem);margin-top:12px}.article-cover{margin:0 0 38px}.article-cover img{width:100%;aspect-ratio:1.64/1;object-fit:cover;border-radius:20px}.topic-hero{padding:64px 0;background:var(--soft)}.topic-hero-grid{display:grid;grid-template-columns:1fr .72fr;gap:60px;align-items:center}.topic-hero img{border-radius:22px;aspect-ratio:1.4/1;object-fit:cover}.guide-timeline{max-width:900px;margin:auto;border-left:2px solid var(--line)}.guide-timeline article{display:grid;grid-template-columns:70px 1fr;gap:28px;position:relative;padding:0 0 48px 32px}.guide-timeline article>span{position:absolute;left:-23px;top:0;background:var(--brand);color:#fff;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:900}.guide-timeline h2{font-size:1.45rem;margin-bottom:8px}.guide-timeline p{color:var(--muted)}.faq-full{max-width:900px}.faq-full summary{display:grid;grid-template-columns:55px 1fr;gap:18px;font-size:1.05rem}.faq-full summary span{color:var(--brand)}.faq-full details>div{padding:0 0 24px 73px;color:var(--muted)}.search-page-form{margin-top:30px}.search-page-form label{display:block;font-weight:800;margin-bottom:8px}.search-page-form>div{display:flex;gap:10px}.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:11px;padding:12px 14px;background:#fff}.search-page-form button{border:0;background:var(--brand);color:#fff;border-radius:11px;padding:0 18px;font-weight:800}.search-results{border-top:2px solid var(--ink)}.search-results article{padding:25px 0;border-bottom:1px solid var(--line)}.search-results article>span{font-size:.78rem;color:var(--brand);font-weight:900}.search-results h2{font-size:1.3rem;margin:6px 0}.search-results p{color:var(--muted);margin:0}.result-count{color:var(--muted);margin-bottom:20px}.empty-state{padding:50px;background:var(--soft);border-radius:18px}.error-page{padding:100px 0}.error-code{font-size:5rem;font-weight:950;line-height:1;color:var(--brand-soft)}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:start center;padding-top:min(16vh,140px)}.search-backdrop{position:absolute;inset:0;background:rgba(23,21,28,.75)}.search-dialog{position:relative;width:min(calc(100% - 32px),650px);background:#fff;border-radius:20px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.search-dialog h2{font-size:1.55rem}.search-dialog p{color:var(--muted)}.search-close{position:absolute;right:18px;top:15px;border:0;background:transparent;font-size:1.8rem;cursor:pointer}.search-form label{display:block;font-weight:800;margin-bottom:7px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;padding:12px}.search-row button{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:0 17px;font-weight:800}.site-footer{background:#100f13;color:#eee8f2;padding:58px 0 22px}.footer-main{width:min(calc(100% - 40px),var(--max));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:46px}.footer-main h2{font-size:1rem;margin-bottom:14px}.footer-main a,.back-top{display:block;color:#bfb6c4;margin:9px 0;font-size:.88rem}.footer-brand p{color:#9f96a5;max-width:340px}.back-top{border:0;background:transparent;padding:0;cursor:pointer}.footer-bottom{width:min(calc(100% - 40px),var(--max));margin:38px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;color:#7f7784;font-size:.8rem}
@media (max-width:1024px){.site-nav{position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.site-nav a{padding:12px}.menu-toggle{display:block;margin-left:auto}.search-open{margin-left:0}.intro-grid,.watch-layout,.watch-hero-grid,.topic-hero-grid{grid-template-columns:1fr}.intro-visual{max-width:780px}.narrow-split,.split-heading,.editorial-band,.editorial-band.reverse,.guide-grid,.faq-split,.closing-grid{grid-template-columns:1fr;gap:38px}.editorial-band.reverse figure{order:0}.dense-grid{grid-template-columns:repeat(2,1fr)}.article-shell{grid-template-columns:1fr}.side-panel.sticky{position:static}.side-panel{max-width:none}.footer-main{grid-template-columns:1.4fr 1fr 1fr}.footer-main>div:last-child{grid-column:2/4}.topic-lines>a{grid-template-columns:40px 1fr 80px}.topic-lines p{grid-column:2/4}.intro-facts{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:768px){.section{padding:64px 0}.header-shell{min-height:68px}.brand-mark{min-width:0}.brand-mark small{display:none}.brand-mark img{width:40px;height:40px}.home-intro{padding:54px 0}.intro-grid{gap:36px}.intro-facts{grid-template-columns:1fr}.editorial-row{grid-template-columns:120px 1fr}.editorial-row .thumb img{width:120px}.row-arrow{display:none}.dense-grid{grid-template-columns:1fr 1fr}.category-ledger a{grid-template-columns:135px 1fr}.category-ledger em{grid-column:2;text-align:left}.topic-lines>a{grid-template-columns:34px 1fr}.topic-lines em{grid-column:2;justify-self:start}.topic-lines p{grid-column:2}.footer-main{grid-template-columns:1fr 1fr}.footer-main>div:last-child{grid-column:auto}.footer-brand{grid-column:1/3}.footer-bottom{flex-direction:column;gap:8px}.article-header{padding-top:40px}}
@media (max-width:600px){.content-shell,.content-shell.narrow,.header-shell,.footer-main,.footer-bottom{width:min(calc(100% - 28px),var(--max))}.section{padding:52px 0}h1{font-size:2.35rem}h2{font-size:1.75rem}.lead{font-size:1.05rem}.intro-actions{align-items:flex-start;flex-direction:column}.dense-grid{grid-template-columns:1fr}.editorial-row{grid-template-columns:1fr;gap:13px}.editorial-row .thumb img{width:100%;aspect-ratio:1.7/1}.category-ledger a{grid-template-columns:1fr;gap:7px}.category-ledger em{grid-column:auto}.library-list article{grid-template-columns:46px 1fr;gap:13px}.library-id{font-size:1.35rem}.guide-timeline{border-left:0}.guide-timeline article{grid-template-columns:1fr;padding-left:0}.guide-timeline article>span{position:static;width:38px;height:38px}.faq-full summary{grid-template-columns:42px 1fr}.faq-full details>div{padding-left:60px}.footer-main{grid-template-columns:1fr}.footer-brand,.footer-main>div:last-child{grid-column:auto}.search-row,.search-page-form>div{flex-direction:column}.search-row button,.search-page-form button{min-height:46px}.header-shell{gap:10px}.search-open{font-size:.82rem;padding:8px 9px}.menu-toggle{font-size:.82rem;padding:8px 9px}.brand-mark strong{font-size:1rem}}
@media (max-width:375px){.brand-mark span{display:none}.brand-mark img{width:38px;height:38px}.search-open,.menu-toggle{padding:7px 8px}.topic-lines>a{gap:12px}.closing-links a{grid-template-columns:1fr;gap:6px}}