:root{
  --brand:#6D28D9;
  --brand-soft:#A78BFA;
  --ink:#27242D;
  --muted:#716B78;
  --deep:#17151C;
  --paper:#F7F5FA;
  --panel:#ECE8F2;
  --accent:#F59E0B;
  --line:#DED8E6;
  --white:#fff;
  --shadow:0 18px 42px rgba(46,33,62,.10);
  --shadow-soft:0 8px 24px rgba(46,33,62,.08);
  --radius:18px;
  --radius-sm:12px;
  --shell:1180px;
  --reading:760px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);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}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}
.reading{width:min(calc(100% - 40px),var(--reading));margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--deep);color:#fff;padding:10px 16px;border-radius:10px;transition:.2s}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,250,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(109,40,217,.08)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}
.brand-lockup{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;min-width:max-content}
.brand-lockup:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:var(--brand);color:#fff;font-weight:800;font-size:22px;letter-spacing:-1px;box-shadow:0 10px 24px rgba(109,40,217,.18)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}.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:8px;margin-left:auto}
.primary-nav a{color:var(--muted);padding:8px 11px;border-radius:9px;font-size:15px;font-weight:600;text-decoration:none}
.primary-nav a:hover,.primary-nav a.active{color:var(--brand);background:#efe8fb;text-decoration:none}
.search-trigger,.nav-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:10px;font-weight:700}
.search-trigger:hover,.nav-toggle:hover{border-color:var(--brand-soft);color:var(--brand)}
.nav-toggle{display:none;margin-left:auto}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding-top:11vh}.search-backdrop{position:absolute;inset:0;background:rgba(23,21,28,.68);backdrop-filter:blur(4px)}.search-panel{position:relative;width:min(680px,calc(100% - 32px));background:#fff;border-radius:22px;padding:30px;box-shadow:0 28px 80px rgba(0,0,0,.28)}.modal-close{position:absolute;right:18px;top:14px;width:38px;height:38px;border:0;background:#f3eff7;border-radius:50%;font-size:24px;color:var(--muted)}.search-form label{display:block;margin:16px 0 8px;color:var(--muted);font-size:14px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px;outline:none}.search-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,40,217,.10)}.search-row button{border:0;border-radius:12px;background:var(--brand);color:#fff;padding:12px 18px;font-weight:800}
.hero{padding:56px 0 34px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.hero-copy{max-width:700px}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--brand)}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,64px);line-height:1.1;letter-spacing:-.035em;margin:0 0 18px;color:var(--deep)}.hero-lead,.page-lead{font-size:18px;line-height:1.9;color:var(--muted);margin:0 0 24px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:11px 17px;font-weight:800;text-decoration:none;transition:.2s}.button:hover{text-decoration:none;transform:translateY(-1px)}.button-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(109,40,217,.18)}.button-secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}.hero-visual{position:relative}.hero-visual img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hero-note{position:absolute;left:-26px;bottom:26px;width:min(330px,80%);background:rgba(23,21,28,.94);color:#fff;padding:18px 20px;border-radius:16px;box-shadow:var(--shadow)}.hero-note strong{display:block;font-size:15px}.hero-note span{display:block;font-size:13px;line-height:1.6;color:#d8d2df;margin-top:4px}
.intent-strip{padding:14px 0 28px}.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.intent-item{padding:20px 22px;border-right:1px solid var(--line)}.intent-item:last-child{border-right:0}.intent-item strong{display:block;color:var(--deep);margin-bottom:5px}.intent-item p{margin:0;color:var(--muted);font-size:14px}
.section{padding:56px 0}.section-tight{padding:36px 0}.section-alt{background:var(--panel)}.section-dark{background:var(--deep);color:#fff}.section-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.section-title{margin:0;font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.02em;color:var(--deep)}.section-dark .section-title{color:#fff}.section-intro{max-width:720px;margin:9px 0 0;color:var(--muted)}.section-dark .section-intro{color:#cfc9d5}.section-link{white-space:nowrap;font-weight:800}
.editorial-index{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.index-major,.index-minor{background:#fff;border-radius:20px;padding:26px;border:1px solid var(--line)}.index-major{display:grid;grid-template-columns:1fr .82fr;gap:24px;align-items:center}.index-major img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:15px}.index-major h3,.index-minor h3{margin:0 0 8px;font-size:23px}.index-major p,.index-minor p{margin:0;color:var(--muted)}.index-minor{display:flex;flex-direction:column;gap:18px}.index-link{padding-bottom:18px;border-bottom:1px solid var(--line)}.index-link:last-child{border-bottom:0;padding-bottom:0}.index-link a{font-weight:800;color:var(--deep)}.index-link a:hover{color:var(--brand)}.index-link small{display:block;color:var(--muted);margin-top:5px}
.story-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.story-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;min-width:0}.story-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.story-card .card-body{padding:18px}.story-card .meta{font-size:12px;color:var(--brand);font-weight:800}.story-card h3{font-size:18px;line-height:1.45;margin:7px 0 8px}.story-card h3 a{color:var(--deep)}.story-card p{margin:0;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.72fr);gap:40px;align-items:start}.split-reverse{grid-template-columns:minmax(320px,.72fr) minmax(0,1fr)}.prose{font-size:17px}.prose h2{font-size:30px;line-height:1.25;margin:42px 0 14px;color:var(--deep)}.prose h3{font-size:22px;line-height:1.35;margin:30px 0 10px;color:var(--deep)}.prose p{margin:0 0 18px}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin:8px 0}.prose blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--brand);background:#f0ebf6;border-radius:0 12px 12px 0;color:#504a56}.prose a{font-weight:700}.aside-panel{position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.aside-panel h2,.aside-panel h3{font-size:18px;margin:0 0 12px}.aside-panel p{font-size:14px;color:var(--muted)}.aside-links{display:flex;flex-direction:column;gap:9px}.aside-links a{padding:10px 12px;border-radius:10px;background:#f4f0f7;color:var(--ink);font-weight:700}.aside-links a:hover{color:var(--brand);text-decoration:none;background:#eee7f6}
.page-hero{padding:46px 0 28px}.page-hero .shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.44fr);gap:42px;align-items:end}.page-hero h1{font-size:clamp(34px,4.4vw,54px)}.page-hero .hero-side{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}.hero-side strong{display:block;margin-bottom:6px}.hero-side p{margin:0;color:var(--muted);font-size:14px}.breadcrumbs{padding-top:22px}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;font-size:13px;color:var(--muted)}.breadcrumbs li{display:flex;align-items:center;gap:8px}.breadcrumbs li:not(:last-child)::after{content:'›';color:#a59cab}.breadcrumbs a{color:var(--muted)}
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.topic-item{display:grid;grid-template-columns:150px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.topic-item img{width:150px;height:120px;object-fit:cover;border-radius:12px}.topic-item h3{margin:2px 0 7px;font-size:20px}.topic-item h3 a{color:var(--deep)}.topic-item p{margin:0;color:var(--muted);font-size:14px}.topic-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:var(--muted)}
.compact-list{border-top:1px solid var(--line)}.compact-row{display:grid;grid-template-columns:160px minmax(0,1fr) auto;gap:18px;align-items:start;padding:19px 0;border-bottom:1px solid var(--line)}.compact-row .label{color:var(--brand);font-size:13px;font-weight:800}.compact-row h3{margin:0 0 6px;font-size:19px}.compact-row h3 a{color:var(--deep)}.compact-row p{margin:0;color:var(--muted);font-size:14px}.compact-row .arrow{font-weight:800;color:var(--brand)}
.feature-band{display:grid;grid-template-columns:.82fr 1.18fr;gap:0;background:var(--deep);color:#fff;border-radius:24px;overflow:hidden}.feature-band img{width:100%;height:100%;min-height:330px;object-fit:cover}.feature-copy{padding:38px}.feature-copy h2{font-size:34px;line-height:1.2;margin:0 0 12px}.feature-copy p{color:#d4ced9}.feature-copy .button-secondary{background:transparent;color:#fff;border-color:#5b5364}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.note-card{padding:23px;border-radius:16px;background:#fff;border:1px solid var(--line)}.note-card strong{display:block;font-size:18px;color:var(--deep);margin-bottom:6px}.note-card p{margin:0;color:var(--muted);font-size:14px}
.callout{background:#f0ebf6;border-left:4px solid var(--brand);border-radius:0 16px 16px 0;padding:20px 22px}.callout strong{display:block;margin-bottom:4px}.callout p{margin:0;color:var(--muted)}.callout-accent{background:#fff6df;border-left-color:var(--accent)}
.faq-list{display:flex;flex-direction:column;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-item h3{margin:0}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;border:0;background:#fff;color:var(--deep);text-align:left;padding:18px 20px;font-weight:800}.faq-question::after{content:'+';font-size:23px;color:var(--brand);font-weight:500}.faq-question[aria-expanded="true"]::after{content:'−'}.faq-answer{padding:0 20px 20px;color:var(--muted)}.faq-answer p:last-child{margin-bottom:0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eee7f6;color:var(--brand);font-size:13px;font-weight:800}.tag-dark{background:#312c37;color:#e8dff8}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.tab-button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:8px 13px;font-weight:700}.tab-button.active{background:var(--brand);border-color:var(--brand);color:#fff}.tab-panel[hidden]{display:none!important}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:100%}.article-card .article-kicker{font-size:12px;font-weight:800;color:var(--brand);margin-bottom:8px}.article-card h2,.article-card h3{font-size:20px;line-height:1.45;margin:0 0 9px}.article-card h2 a,.article-card h3 a{color:var(--deep)}.article-card p{margin:0;color:var(--muted);font-size:14px}.article-card .article-footer{margin-top:auto;padding-top:18px;display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}
.article-header{padding:42px 0 18px}.article-header h1{font-size:clamp(34px,4.4vw,56px);line-height:1.14;letter-spacing:-.03em;margin:8px 0 14px}.article-deck{font-size:19px;color:var(--muted);max-width:860px}.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13px;color:var(--muted)}.article-cover{margin:24px auto 34px;width:min(calc(100% - 40px),980px)}.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:22px}.article-body{padding-bottom:64px}.article-body .reading{font-size:17px}.article-body h2{font-size:29px;line-height:1.28;margin:42px 0 14px}.article-body h3{font-size:22px;margin:30px 0 12px}.article-body p{margin:0 0 18px}.article-body ul{padding-left:1.25em}.article-body li{margin:7px 0}.related-wrap{padding:44px 0;background:var(--panel)}
.search-page{padding:44px 0 66px}.search-summary{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;margin:20px 0 28px}.search-summary strong{color:var(--brand)}.empty-state{padding:42px;background:#fff;border:1px solid var(--line);border-radius:18px;text-align:center}.empty-state h2{margin-top:0}.empty-state p{color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field.full{grid-column:1/-1}.form-field label{font-size:14px;font-weight:800}.form-field input,.form-field textarea,.form-field select{border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:#fff;color:var(--ink)}.form-field textarea{min-height:150px;resize:vertical}.form-note{font-size:13px;color:var(--muted)}
.status-list{display:grid;gap:12px}.status-row{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}.status-row strong{color:var(--deep)}.status-row p{margin:0;color:var(--muted)}
.error-page{min-height:65vh;display:grid;place-items:center;padding:60px 20px}.error-card{max-width:720px;text-align:center}.error-code{font-size:82px;line-height:1;font-weight:900;color:var(--brand);letter-spacing:-.06em}.error-card h1{font-size:34px;margin:12px 0}.error-card p{color:var(--muted)}.error-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px}
.site-footer{background:var(--deep);color:#d7d0dc;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 14px}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid p{margin:0;color:#aaa1b3;font-size:14px;max-width:510px}.footer-grid a{color:#d7d0dc;font-size:14px}.footer-brand{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--brand);color:#fff;font-size:22px;font-weight:900;margin-bottom:6px}.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid #34303a;display:flex;justify-content:space-between;gap:20px;color:#8f8797;font-size:12px}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--brand);color:#fff;font-size:18px;box-shadow:var(--shadow)}
.pagination{display:flex;gap:7px;flex-wrap:wrap;margin-top:28px}.pagination a,.pagination span{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-weight:700}.pagination .current{background:var(--brand);border-color:var(--brand);color:#fff}
.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line)}.data-table th,.data-table td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{width:180px;background:#f2eef5;color:var(--deep)}.data-table tr:last-child th,.data-table tr:last-child td{border-bottom:0}
.mini-index{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.mini-index a{display:block;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px;color:var(--ink);font-weight:800}.mini-index a small{display:block;margin-top:4px;color:var(--muted);font-weight:500}.mini-index a:hover{color:var(--brand);text-decoration:none;border-color:var(--brand-soft)}
.media-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.media-strip figure{margin:0}.media-strip img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px}.media-strip figcaption{font-size:12px;color:var(--muted);margin-top:6px}
.dark-index{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#37313e;border:1px solid #37313e;border-radius:18px;overflow:hidden}.dark-index a{display:flex;justify-content:space-between;gap:18px;padding:20px;background:#201d24;color:#fff}.dark-index a:hover{background:#28232d;text-decoration:none}.dark-index small{color:#9f96a8}
@media (max-width:1100px){.story-rail{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:repeat(2,1fr)}.topic-list{grid-template-columns:1fr}.mini-index{grid-template-columns:repeat(2,1fr)}.media-strip{grid-template-columns:repeat(3,1fr)}.hero-grid{gap:32px}}
@media (max-width:900px){.primary-nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:4px}.js .primary-nav{position:absolute;left:20px;right:20px;top:68px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.js .primary-nav.open{display:flex}.js .nav-toggle{display:inline-flex}.search-trigger{margin-left:0}.brand-copy small{display:none}.hero-grid,.page-hero .shell,.split,.split-reverse,.editorial-index,.index-major,.feature-band{grid-template-columns:1fr}.hero-note{left:18px}.intent-grid{grid-template-columns:1fr}.intent-item{border-right:0;border-bottom:1px solid var(--line)}.intent-item:last-child{border-bottom:0}.aside-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}.compact-row{grid-template-columns:120px 1fr}.compact-row .arrow{display:none}.note-grid{grid-template-columns:1fr}.page-hero .hero-side{max-width:560px}.media-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.shell,.reading{width:min(calc(100% - 28px),var(--shell))}.header-inner{min-height:66px;gap:10px}.brand-mark{width:40px;height:40px;border-radius:12px;font-size:19px}.search-trigger{font-size:0;width:42px;height:42px;padding:0}.search-trigger::before{content:'⌕';font-size:22px}.nav-toggle{font-size:13px}.hero{padding-top:34px}.hero-grid{gap:24px}.hero h1,.page-hero h1{font-size:36px}.hero-lead,.page-lead{font-size:16px}.hero-note{position:static;width:auto;margin:12px 0 0}.section{padding:42px 0}.section-header{align-items:start;flex-direction:column;gap:10px}.section-link{white-space:normal}.story-rail,.article-list,.topic-list{grid-template-columns:1fr}.topic-item{grid-template-columns:110px 1fr}.topic-item img{width:110px;height:100px}.compact-row{grid-template-columns:1fr;gap:6px}.search-row{flex-direction:column}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-grid section:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.mini-index{grid-template-columns:1fr}.dark-index{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:4px}.data-table,.data-table tbody,.data-table tr,.data-table th,.data-table td{display:block;width:100%}.data-table th{border-bottom:0;padding-bottom:4px}.data-table td{padding-top:4px}.media-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.brand-copy{display:none}.hero-actions .button{width:100%}.story-card .card-body{padding:16px}.topic-item{grid-template-columns:1fr}.topic-item img{width:100%;height:auto;aspect-ratio:16/9}.search-panel{padding:24px 18px}.media-strip{grid-template-columns:1fr 1fr}.article-header h1{font-size:32px}}