:root{
  --mushroom:#7C5C8E;--mushroom-soft:#B89ABF;--ink:#25212A;--paper:#F8F5F3;
  --panel:#EEE8EF;--text:#302C33;--muted:#726B76;--accent:#D58A45;--white:#fff;
  --line:rgba(37,33,42,.13);--shadow:0 18px 55px rgba(37,33,42,.08);--radius:22px;
  --shell:min(1180px,calc(100% - 48px));--reading:min(760px,calc(100% - 48px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--mushroom)}button,input{font:inherit}button{color:inherit}.shell{width:var(--shell);margin-inline:auto}.reading{width:var(--reading);margin-inline:auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:300;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(248,245,243,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:78px;display:flex;align-items:center;gap:28px}.brand-mark{display:flex;align-items:center;gap:11px;min-width:max-content}.brand-mark img{width:44px;height:44px;border-radius:13px;object-fit:cover;background:var(--panel)}.brand-mark span{display:grid;line-height:1.15}.brand-mark b{font-size:18px;color:var(--ink)}.brand-mark small{font-size:11px;color:var(--muted);margin-top:5px;letter-spacing:.06em}.primary-nav{display:flex;align-items:center;gap:22px;margin-left:auto}.primary-nav a{font-size:14px;color:var(--muted);font-weight:650;white-space:nowrap}.primary-nav a:hover{color:var(--ink)}.search-trigger{border:1px solid var(--line);background:var(--white);border-radius:999px;padding:9px 15px;cursor:pointer;font-size:13px}.nav-toggle{display:none;border:0;background:none;cursor:pointer}.nav-toggle span{width:20px;height:2px;background:var(--ink);display:block;margin:4px}.nav-toggle b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:210;display:grid;place-items:start center;padding:13vh 24px}.search-backdrop{position:absolute;inset:0;background:rgba(37,33,42,.65)}.search-dialog{position:relative;width:min(650px,100%);background:var(--paper);border-radius:24px;padding:28px;box-shadow:0 30px 90px rgba(0,0,0,.25)}.search-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-dialog h2{margin:0;font-size:24px}.search-dialog-head button{border:0;background:var(--panel);width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:25px}.search-form label{display:block;margin:18px 0 8px;color:var(--muted);font-size:14px}.search-control{display:flex;gap:8px}.search-control input{min-width:0;flex:1;border:1px solid var(--line);background:#fff;border-radius:12px;padding:13px 14px;outline:none}.search-control input:focus{border-color:var(--mushroom);box-shadow:0 0 0 3px rgba(124,92,142,.12)}.search-control button,.button{border:0;background:var(--mushroom);color:#fff;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer}.search-hint{font-size:13px;color:var(--muted);margin:12px 0 0}
.hero-editorial{padding:64px 0 44px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:50px;align-items:center}.kicker,.eyebrow{margin:0 0 10px;color:var(--mushroom);font-size:12px;line-height:1.4;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero-editorial h1,.page-mast h1{font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-.035em;color:var(--ink);margin:0}.hero-intro{font-size:19px;line-height:1.75;color:var(--muted);max-width:720px;margin:22px 0 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}.hero-visual{position:relative}.hero-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:36px 36px 120px 36px;box-shadow:var(--shadow)}.hero-caption{position:absolute;left:-24px;bottom:25px;width:min(310px,84%);background:rgba(248,245,243,.96);padding:18px 20px;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}.hero-caption strong{display:block;color:var(--ink)}.hero-caption span{color:var(--muted);font-size:13px}
.section{padding:70px 0}.section.compact{padding:44px 0}.section.alt{background:var(--panel)}.section.dark{background:var(--ink);color:#eee9ef}.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);gap:44px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-.025em;margin:0;color:var(--ink)}.dark .section-head h2{color:#fff}.section-head p{margin:0;color:var(--muted)}.dark .section-head p{color:#c8c0cb}.section-head.single{grid-template-columns:1fr;max-width:780px}.section-head.single p{max-width:700px}
.feature-band{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);background:var(--ink);color:#f5eff7;border-radius:30px;overflow:hidden}.feature-band figure{margin:0;min-height:380px}.feature-band img{width:100%;height:100%;object-fit:cover}.feature-copy{padding:clamp(32px,6vw,68px);display:flex;flex-direction:column;justify-content:center}.feature-copy .eyebrow{color:#d8b8df}.feature-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.15;margin:0 0 18px;color:#fff}.feature-copy p{color:#cec5d1;margin:0 0 22px}.feature-copy a{font-weight:750;color:#fff}.feature-copy a:hover{color:#edbd90}
.editorial-list{border-top:1px solid var(--line)}.editorial-row{display:grid;grid-template-columns:54px minmax(0,1fr) 205px;gap:26px;padding:28px 0;border-bottom:1px solid var(--line);align-items:center}.row-index{font:600 14px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--mushroom-soft);align-self:start;padding-top:4px}.row-copy h3{font-size:23px;line-height:1.32;margin:0 0 8px;color:var(--ink)}.row-copy>p:not(.eyebrow){margin:0;color:var(--muted)}.row-image{margin:0}.row-image img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:15px}.tag-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.tag-line span{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:3px 9px}.text-link{display:inline-block;margin-top:13px;font-size:13px;color:var(--mushroom);font-weight:750}.text-link::after{content:" →"}
.split-feature{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:58px;align-items:center}.split-feature.reverse{grid-template-columns:minmax(300px,.92fr) minmax(0,1.08fr)}.split-feature figure{margin:0}.split-feature figure img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius)}.split-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.18;margin:0 0 18px;color:var(--ink)}.split-copy p{color:var(--muted)}.definition-list{display:grid;gap:0;margin-top:24px;border-top:1px solid var(--line)}.definition-list div{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}.definition-list dt{font-weight:750;color:var(--ink)}.definition-list dd{margin:0;color:var(--muted)}
.topic-directory{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-tile{position:relative;min-height:260px;border-radius:20px;overflow:hidden;background:var(--ink);color:#fff}.topic-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}.topic-tile::after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,rgba(37,33,42,.9))}.topic-tile .tile-copy{position:absolute;z-index:2;left:22px;right:22px;bottom:21px}.topic-tile h3{font-size:23px;line-height:1.25;margin:0 0 7px}.topic-tile p{font-size:13px;line-height:1.6;margin:0;color:#e4dee6}.topic-tile .count{display:inline-block;margin-bottom:8px;font-size:11px;opacity:.8}
.auxiliary-strip{display:grid;grid-template-columns:1.2fr .9fr .9fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff}.auxiliary-strip article{padding:26px;min-height:210px;border-right:1px solid var(--line)}.auxiliary-strip article:last-child{border-right:0}.auxiliary-strip h3{margin:7px 0 11px;font-size:21px}.auxiliary-strip p{margin:0;color:var(--muted);font-size:14px}.auxiliary-strip a{display:inline-block;margin-top:18px;color:var(--mushroom);font-weight:700;font-size:13px}.guide-ribbon{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:35px;border-radius:24px;background:var(--mushroom);color:#fff}.guide-ribbon h2{font-size:31px;line-height:1.2;margin:0}.guide-ribbon p{color:#eee5f1;margin:0}.guide-ribbon a{justify-self:end;background:#fff;color:var(--ink);padding:10px 15px;border-radius:999px;font-weight:750}
.page-mast{padding:54px 0 38px;border-bottom:1px solid var(--line)}.page-mast .mast-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:50px;align-items:end}.page-mast h1{font-size:clamp(36px,4.5vw,58px)}.page-mast p{font-size:17px;color:var(--muted);margin:18px 0 0;max-width:760px}.page-mast figure{margin:0}.page-mast figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px}.breadcrumbs{width:var(--shell);margin:22px auto 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;color:var(--muted);font-size:13px}.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#b5abb8}.breadcrumbs a:hover{text-decoration:underline}
.content-lanes{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:50px}.side-index{align-self:start;position:sticky;top:105px;padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.55)}.side-index h2{font-size:17px;margin:0 0 12px}.side-index a{display:block;padding:9px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.side-index a:hover{color:var(--mushroom)}.lead-copy{font-size:18px;color:var(--muted);border-left:3px solid var(--mushroom-soft);padding-left:20px;margin:0 0 30px}.prose h2{font-size:30px;line-height:1.25;margin:46px 0 14px;color:var(--ink)}.prose h3{font-size:21px;margin:30px 0 8px}.prose p{margin:0 0 19px}.prose ul,.prose ol{padding-left:22px}.prose li{margin:7px 0}.prose a{text-decoration:underline;text-decoration-color:var(--mushroom-soft);text-underline-offset:3px}.note-box{padding:20px 22px;border-radius:16px;background:var(--panel);border-left:4px solid var(--accent);margin:28px 0}.note-box strong{color:var(--ink)}.note-box p{margin:6px 0 0;color:var(--muted)}
.path-table{display:grid;border-top:1px solid var(--line)}.path-row{display:grid;grid-template-columns:170px minmax(0,1fr) 190px;gap:24px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.path-row strong{color:var(--ink)}.path-row p{margin:0;color:var(--muted)}.path-row a{justify-self:end;color:var(--mushroom);font-weight:750;font-size:13px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-card{counter-increment:step;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.step-card::before{content:"0" counter(step);font-size:12px;color:var(--mushroom);font-weight:800}.step-card h3{font-size:19px;margin:12px 0 8px}.step-card p{margin:0;color:var(--muted);font-size:14px}.alias-board{display:grid;grid-template-columns:1fr 1fr;gap:16px}.alias-board article{padding:25px;border-radius:18px;background:#fff;border:1px solid var(--line)}.alias-board h3{margin:0 0 10px;font-size:21px}.alias-board p{margin:0;color:var(--muted)}
.library-header{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:24px}.library-header p{margin:0;color:var(--muted)}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px}.pagination a,.pagination span{min-width:40px;height:40px;padding:0 12px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#fff}.pagination span[aria-current]{background:var(--mushroom);color:#fff;border-color:var(--mushroom)}
.article-header{padding:50px 0 30px}.article-header .reading{position:relative}.article-header h1{font-size:clamp(35px,5vw,58px);line-height:1.13;letter-spacing:-.03em;margin:0;color:var(--ink)}.article-deck{font-size:19px;color:var(--muted);margin:20px 0 0}.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.article-meta span,.article-meta a{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--muted)}.article-cover{width:min(980px,calc(100% - 48px));margin:20px auto 46px}.article-cover img{width:100%;max-height:530px;object-fit:cover;border-radius:26px}.article-body{width:var(--reading);margin:auto}.article-body p{font-size:17px;line-height:1.95;margin:0 0 24px}.article-body p:first-child::first-letter{font-size:3.1em;float:left;line-height:.9;margin:.12em .12em 0 0;color:var(--mushroom);font-weight:700}.article-related{margin-top:64px;padding-top:40px;border-top:1px solid var(--line)}.article-related h2{font-size:30px;margin:0 0 12px}.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-links a{padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff}.related-links small{display:block;color:var(--muted);margin-top:4px}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:19px 0;cursor:pointer;font-weight:750;font-size:17px}.faq-question::after{content:"+";font-size:25px;color:var(--mushroom);font-weight:400}.faq-question[aria-expanded="true"]::after{content:"−"}.faq-answer{padding:0 42px 20px 0;color:var(--muted)}.faq-answer p{margin:0}.principles-grid,.risk-grid,.policy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.principles-grid article,.risk-grid article,.policy-grid article{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.principles-grid h3,.risk-grid h3,.policy-grid h3{margin:0 0 8px;font-size:20px}.principles-grid p,.risk-grid p,.policy-grid p{margin:0;color:var(--muted)}.risk-grid article:nth-child(3n){background:var(--panel)}
.search-page-form{max-width:760px;margin:0 auto 34px}.search-page-form .search-control input{padding:15px}.search-results{display:grid;gap:0;border-top:1px solid var(--line)}.search-result{padding:23px 0;border-bottom:1px solid var(--line)}.search-result h2{font-size:22px;margin:4px 0 6px}.search-result p{margin:0;color:var(--muted)}.result-type{font-size:11px;text-transform:uppercase;color:var(--mushroom);font-weight:800;letter-spacing:.12em}.empty-state{text-align:center;padding:56px 20px;border:1px solid var(--line);border-radius:20px;background:#fff}.empty-state h2{font-size:26px;margin:0 0 8px}.empty-state p{color:var(--muted);margin:0}.error-page{min-height:62vh;display:grid;place-items:center;text-align:center;padding:70px 24px}.error-code{font:800 clamp(72px,15vw,160px)/1 ui-monospace,SFMono-Regular,monospace;color:var(--panel);text-shadow:1px 1px 0 var(--mushroom-soft)}.error-page h1{font-size:36px;margin:-12px 0 10px}.error-page p{color:var(--muted);max-width:600px;margin:0 auto 22px}
.site-footer{background:var(--ink);color:#d8d1da;margin-top:72px;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:45px}.footer-brand img{border-radius:12px;margin-bottom:14px}.footer-brand p{margin:0 0 10px;color:#aaa2ad;font-size:14px}.footer-brand strong{color:#fff;font-size:20px}.site-footer h2{color:#fff;font-size:14px;margin:0 0 13px}.site-footer a{display:block;color:#aaa2ad;font-size:13px;padding:4px 0}.site-footer a:hover{color:#fff}.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#857d89;font-size:12px}.footer-bottom p{margin:0}.footer-bottom a{display:inline}.back-top{position:fixed;right:20px;bottom:20px;width:43px;height:43px;border-radius:50%;border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;cursor:pointer}.back-top.is-visible{opacity:1;pointer-events:auto;transform:none}.reveal{opacity:0;transform:translateY(10px);transition:opacity .45s ease,transform .45s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1100px){.primary-nav{gap:14px}.primary-nav a{font-size:13px}.hero-grid{gap:32px}.footer-grid{grid-template-columns:1.25fr repeat(3,.9fr);gap:26px}}
@media(max-width:900px){:root{--shell:min(100% - 34px,760px);--reading:min(100% - 34px,720px)}.header-inner{min-height:70px}.nav-toggle{display:block;margin-left:auto}.primary-nav{display:none;position:absolute;top:70px;left:17px;right:17px;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:10px 6px;border-bottom:1px solid var(--line)}.primary-nav a:last-child{border:0}.search-trigger{padding:8px 11px}.hero-grid,.page-mast .mast-grid,.split-feature,.split-feature.reverse,.feature-band,.section-head,.guide-ribbon,.content-lanes{grid-template-columns:1fr}.hero-visual{width:min(520px,90%);margin:auto}.hero-caption{left:16px}.feature-band figure{min-height:300px;max-height:440px}.section-head{gap:12px}.split-feature.reverse figure{order:2}.content-lanes{gap:30px}.side-index{position:static}.topic-directory{grid-template-columns:repeat(2,1fr)}.auxiliary-strip{grid-template-columns:1fr}.auxiliary-strip article{border-right:0;border-bottom:1px solid var(--line);min-height:0}.auxiliary-strip article:last-child{border-bottom:0}.guide-ribbon{gap:16px}.guide-ribbon a{justify-self:start}.footer-grid{grid-template-columns:1.3fr 1fr;gap:35px}.steps{grid-template-columns:1fr 1fr}}
@media(max-width:700px){:root{--shell:calc(100% - 28px);--reading:calc(100% - 28px)}body{font-size:15px}.brand-mark small{display:none}.brand-mark b{font-size:16px}.brand-mark img{width:38px;height:38px}.search-trigger{font-size:0;width:39px;height:39px;border-radius:50%;position:relative}.search-trigger::before{content:"⌕";font-size:22px;position:absolute;inset:0;display:grid;place-items:center}.hero-editorial{padding:42px 0 28px}.hero-editorial h1,.page-mast h1{font-size:38px}.hero-intro{font-size:17px}.hero-visual{width:100%}.hero-visual img{aspect-ratio:5/4;border-radius:24px 24px 70px 24px}.hero-caption{position:relative;left:auto;bottom:auto;width:90%;margin:-30px auto 0}.section{padding:50px 0}.section-head h2{font-size:30px}.feature-band{border-radius:21px}.feature-copy{padding:30px 24px}.feature-copy h2{font-size:30px}.editorial-row{grid-template-columns:35px minmax(0,1fr);gap:15px}.row-image{display:none}.row-copy h3{font-size:20px}.topic-directory{grid-template-columns:1fr}.topic-tile{min-height:230px}.page-mast{padding-top:38px}.page-mast figure{display:none}.path-row{grid-template-columns:1fr;gap:6px}.path-row a{justify-self:start}.definition-list div{grid-template-columns:1fr;gap:2px}.alias-board,.principles-grid,.risk-grid,.policy-grid,.related-links,.steps{grid-template-columns:1fr}.article-cover{width:calc(100% - 28px)}.article-header{padding-top:38px}.article-deck{font-size:17px}.article-body p{font-size:16px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.search-dialog{padding:22px}.search-control{flex-direction:column}.search-control button{width:100%}.search-page-form .search-control{flex-direction:row}.search-page-form .search-control button{width:auto}.reveal{opacity:1;transform:none}}
@media(max-width:420px){:root{--shell:calc(100% - 22px);--reading:calc(100% - 22px)}.header-inner{gap:10px}.brand-mark span{display:none}.hero-editorial h1,.page-mast h1{font-size:34px}.hero-actions{display:grid}.hero-actions .button{text-align:center}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.topic-tile{min-height:215px}.article-cover{width:calc(100% - 22px)}.search-page-form .search-control{flex-direction:column}.search-page-form .search-control button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}