:root{
  --brand:#6D28D9;--brand-soft:#A78BFA;--ink:#27242D;--muted:#716B78;--dark:#17151C;
  --bg:#F7F5FA;--bg-2:#ECE8F2;--amber:#F59E0B;--white:#fff;--line:#d9d3e2;
  --shadow:0 18px 45px rgba(36,24,54,.08);--radius:24px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:var(--dark);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);backdrop-filter:blur(14px);border-bottom:1px solid rgba(109,40,217,.1)}.header-shell{width:min(var(--max),calc(100% - 40px));margin:auto;min-height:76px;display:flex;align-items:center;gap:22px}.brand-mark{display:flex;align-items:center;gap:12px;margin-right:auto}.brand-mark img{width:44px;height:44px;object-fit:cover;border-radius:12px;background:var(--bg-2)}.brand-mark span{display:grid;line-height:1.2}.brand-mark strong{font-size:1.03rem}.brand-mark small{font-size:.72rem;color:var(--muted);margin-top:5px}.primary-nav{display:flex;align-items:center;gap:6px}.primary-nav a,.search-open,.menu-toggle{border:0;background:transparent;padding:10px 12px;border-radius:10px;color:#514b57}.primary-nav a:hover,.primary-nav a:focus-visible,.search-open:hover,.search-open:focus-visible{background:var(--bg-2);color:var(--brand)}.search-open{border:1px solid var(--line);background:#fff}.menu-toggle{display:none;border:1px solid var(--line);background:#fff}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:200;background:rgba(23,21,28,.72);display:grid;place-items:start center;padding:10vh 24px}.search-dialog{width:min(680px,100%);background:#fff;border-radius:26px;padding:34px;box-shadow:0 28px 90px rgba(0,0,0,.28);position:relative}.search-close{position:absolute;right:20px;top:18px;border:0;background:var(--bg-2);width:40px;height:40px;border-radius:50%;font-size:1.5rem}.modal-open{overflow:hidden}.eyebrow{margin:0 0 10px;color:var(--brand);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}.eyebrow.light{color:#d9c8ff}h1,h2,h3{line-height:1.2;margin:0 0 16px;letter-spacing:-.02em}h1{font-size:clamp(2.35rem,5.2vw,5rem)}h2{font-size:clamp(1.55rem,3vw,2.55rem)}h3{font-size:1.16rem}.lead{font-size:clamp(1.02rem,1.4vw,1.18rem);color:#57505d;max-width:820px}.section-shell,.page-shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.section-shell{padding:88px 0}.home-intro{width:min(1320px,calc(100% - 40px));margin:34px auto 0;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:46px;align-items:stretch}.home-intro-copy{padding:70px 0 60px 5vw}.home-intro-copy h1{max-width:780px}.home-intro-copy .lead{max-width:720px}.home-intro-visual{margin:0;background:var(--dark);border-radius:34px;overflow:hidden;min-height:620px;position:relative}.home-intro-visual img{width:100%;height:100%;object-fit:cover;opacity:.82}.home-intro-visual figcaption{position:absolute;left:28px;right:28px;bottom:26px;color:#fff;background:rgba(23,21,28,.78);padding:16px 18px;border-radius:16px;font-size:.92rem}.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:10px 18px;border-radius:12px;font-weight:800}.button.primary{background:var(--brand);color:#fff}.button.primary:hover{background:#5d1fc1}.button.secondary{background:#fff;color:var(--brand);border:1px solid #d7c9ee}.light-button{background:#fff;color:var(--dark)}.amber-button{background:var(--amber);color:#231707}.inline-search{margin-top:32px;padding-top:26px;border-top:1px solid var(--line)}.inline-search 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.text-link{grid-column:2}.text-link{display:inline-flex;color:var(--brand);font-weight:800;margin-top:14px}.text-link:hover{text-decoration:underline}.section-heading{max-width:760px;margin-bottom:32px}.section-heading.wide{max-width:900px}.editorial-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px}.editorial-card{background:#fff;border:1px solid #e1dbe7;border-radius:22px;padding:24px;min-height:280px}.editorial-card.featured-card{grid-row:span 2}.editorial-card img{border-radius:16px;margin-bottom:22px;aspect-ratio:16/9;object-fit:cover}.editorial-card p{color:#5f5964}.editorial-card ul{padding-left:20px;color:#5e5863}.card-kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--brand)!important}.dark-band{background:var(--dark);color:#fff}.split-band{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}.split-band p{color:#c9c3cf}.path-list{display:grid;gap:10px}.path-list a{display:grid;grid-template-columns:46px 150px 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1fr 1.2fr;gap:18px;align-items:stretch}.index-visual{position:relative;border-radius:22px;overflow:hidden;min-height:360px}.index-visual img{width:100%;height:100%;object-fit:cover}.index-visual span{position:absolute;left:18px;bottom:18px;background:rgba(23,21,28,.82);color:#fff;border-radius:10px;padding:8px 12px;font-weight:800}.index-copy{background:var(--bg-2);border-radius:22px;padding:34px}.guide-preview{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.compact-steps{padding:0;list-style:none;display:grid;gap:12px}.compact-steps li{display:grid;gap:3px;padding:12px 0;border-bottom:1px solid var(--line)}.compact-steps span{color:var(--muted)}.topic-preview{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}.topic-preview figure{order:0}.faq-preview{padding-top:40px}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid #ded7e5;border-radius:14px;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:800;padding:17px 30px 17px 0;position:relative}.faq-list summary::after{content:'+';position:absolute;right:4px;color:var(--brand)}.faq-list details[open] summary::after{content:'−'}.faq-list details p{margin:0;padding:0 0 18px;color:#5e5763}.closing-band{background:var(--brand);color:#fff}.closing-band p{color:#e9def9}.closing-band .section-shell{padding-block:64px}.page-shell{padding-bottom:86px}.breadcrumbs{padding:26px 0 16px}.breadcrumbs ol{display:flex;gap:9px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:.88rem;flex-wrap:wrap}.breadcrumbs li:not(:last-child)::after{content:'›';margin-left:9px;color:#aaa1b2}.breadcrumbs a:hover{color:var(--brand)}.page-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:52px 0 62px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2.25rem,4.5vw,4.5rem)}.page-hero figure{margin:0}.page-hero 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ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:item;list-style:none;padding:0}.topic-boundary li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.topic-boundary li::before{counter-increment:item;content:counter(item);display:block;color:var(--brand);font-weight:900;font-size:1.4rem}.compact-stack article{padding-block:26px}.library-hero{grid-template-columns:1.2fr .8fr}.category-key{display:flex;gap:8px;flex-wrap:wrap;padding:28px 0}.reference-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.reference-list article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.reference-list article ul{padding-left:20px;color:#5f5865}.faq-hero{grid-template-columns:1.15fr .85fr}.large-faq{max-width:940px;margin-top:38px}.large-faq details{padding-inline:22px}.large-faq summary{font-size:1.06rem}.page-title-block{padding:54px 0 38px;border-bottom:1px solid var(--line)}.page-title-block 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.glossary-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}.glossary-list article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.glossary-list article ul{padding-left:20px;color:#5f5865}.glossary-top{padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}.glossary-list h2{font-size:1.45rem}.glossary-list h3{font-size:1rem;margin-top:18px}@media (max-width:768px){.glossary-list{grid-template-columns:1fr}}