:root{
  --primary:#6F5AE8;
  --primary-soft:#9A8CF2;
  --dark:#242433;
  --bg:#F8F8FC;
  --bg-soft:#F0EEFA;
  --text:#30303A;
  --muted:#70707D;
  --accent:#F29A4A;
  --white:#FFFFFF;
  --line:#E3E0EF;
  --shadow:0 18px 55px rgba(36,36,51,.08);
  --radius:24px;
  --radius-sm:15px;
  --container:min(1160px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);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}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(111,90,232,.35);outline-offset:3px}
.container{width:var(--container);margin-inline:auto}.narrow{max-width:860px}.site-main{min-height:65vh}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--dark);color:white;padding:10px 14px;border-radius:10px}.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,248,252,.96);backdrop-filter:saturate(130%) blur(14px);border-bottom:1px solid rgba(227,224,239,.9)}
.header-inner{min-height:74px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:760;white-space:nowrap}.brand img{border-radius:12px}.primary-nav{display:flex;align-items:center;gap:8px;margin-left:auto}.primary-nav a{padding:9px 12px;border-radius:10px;color:var(--muted);font-size:15px}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--bg-soft);color:var(--dark)}.menu-toggle{display:none}.search-toggle,.menu-toggle{border:1px solid var(--line);background:var(--white);border-radius:12px;padding:10px 14px;color:var(--text);font-weight:650;cursor:pointer}.search-toggle:hover,.menu-toggle:hover{border-color:var(--primary-soft);color:var(--primary)}
.hero{padding:68px 0 44px}.hero-grid,.inner-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}.hero-copy h1,.inner-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.08;letter-spacing:-.04em;margin:12px 0 22px;color:var(--dark)}.inner-hero h1{font-size:clamp(34px,4.4vw,54px)}.lead{font-size:18px;color:#555563;max-width:760px}.eyebrow{font-size:13px;font-weight:760;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin:0 0 8px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:13px;font-weight:720;border:1px solid transparent;transition:.18s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--primary);color:white}.btn.accent{background:var(--accent);color:#312418}.btn.secondary{background:white;border-color:var(--line);color:var(--dark)}.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none}.hero-facts li{background:var(--bg-soft);border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:#5e5e6c;font-size:14px}.hero-media,.inner-hero figure{margin:0;background:linear-gradient(145deg,#efecff,#fff);border:1px solid var(--line);border-radius:30px;padding:18px;box-shadow:var(--shadow)}.hero-media img,.inner-hero figure img{border-radius:20px;aspect-ratio:1.25/1;object-fit:cover}.hero-media figcaption{font-size:13px;color:var(--muted);padding:12px 4px 0}.inner-hero{padding:32px 0 42px}.inner-hero-grid{min-height:420px}
.section{padding:72px 0}.soft-section{background:var(--bg-soft)}.dark-section{background:var(--dark);color:white}.section-heading{margin-bottom:28px}.section-heading h2,.editorial-copy h2,.media-band h2,.cta-panel h2{font-size:clamp(28px,3.7vw,42px);line-height:1.18;letter-spacing:-.025em;margin:8px 0 0;color:var(--dark)}.dark-section h2{color:white}.split-heading{display:grid;grid-template-columns:1fr .85fr;gap:40px;align-items:end}.split-heading>p{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.content-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:235px;display:flex;flex-direction:column}.content-card h3{font-size:23px;line-height:1.3;margin:8px 0 12px;color:var(--dark)}.content-card h3 a:hover{color:var(--primary)}.content-card p{color:var(--muted);margin:0 0 20px}.text-link{display:inline-flex;margin-top:auto;color:var(--primary);font-weight:700}.text-link::after{content:" →";margin-left:4px}.text-link.inverse{color:#cfc6ff}.feature-grid .content-card:nth-child(2){transform:translateY(12px)}
.editorial-layout{display:grid;grid-template-columns:1fr .9fr;gap:52px;align-items:center}.editorial-layout.reverse{grid-template-columns:.9fr 1fr}.editorial-layout.reverse .editorial-copy{order:2}.editorial-layout.reverse .editorial-media{order:1}.editorial-copy>p{color:#595968}.editorial-media{margin:0}.editorial-media img{border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:1.22/1;object-fit:cover}.decision-list{display:grid;gap:15px;margin-top:28px}.decision-list>div{padding:18px 0;border-top:1px solid #d9d4ec}.decision-list strong{display:block;color:var(--dark);margin-bottom:4px}.decision-list span{color:var(--muted)}.decision-list a{color:var(--primary);font-weight:650}
.media-band{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:center}.media-band figure{margin:0}.media-band img{border-radius:24px;aspect-ratio:1.3/1;object-fit:cover}.media-band p{color:#c4c4ce}.media-band .eyebrow{color:#a99cf4}
.two-column-content{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.prose-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:34px}.prose-card.highlighted{background:var(--dark);color:white;border-color:var(--dark)}.prose-card h2{font-size:30px;line-height:1.25;margin:8px 0 15px}.prose-card p,.prose-card li{color:var(--muted)}.prose-card.highlighted p,.prose-card.highlighted li{color:#c4c4ce}.prose-card ul{padding-left:20px}.prose-card .text-link{margin-top:16px}.prose-card.highlighted .text-link{color:#d8d2ff}
.numbered-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:16px}.numbered-list li{display:grid;grid-template-columns:42px 1fr;gap:15px}.numbered-list li>span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--primary);color:white;font-weight:750}.numbered-list strong{color:var(--dark)}.numbered-list p{margin:4px 0 0;color:var(--muted)}
.link-index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.link-index-grid a{padding:24px;border-bottom:1px solid var(--line);background:white}.link-index-grid a:hover{background:#fcfbff}.link-index-grid strong{display:block;font-size:19px;color:var(--dark);margin-bottom:5px}.link-index-grid span{color:var(--muted)}
.cta-section{padding-top:34px}.cta-panel{background:#ece8ff;border:1px solid #dcd5ff;border-radius:30px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:40px}.cta-panel h2{font-size:32px}.cta-panel p{margin-bottom:0;color:#626170}.cta-panel .button-row{margin:0;flex-shrink:0}
.breadcrumbs{padding:20px 0 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:14px}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa6b8}.breadcrumbs a:hover{color:var(--primary)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}.article-body{font-size:17px}.article-body h2{font-size:30px;line-height:1.28;margin:42px 0 14px;color:var(--dark)}.article-body h2:first-child{margin-top:0}.article-body p{color:#555563}.article-body a{color:var(--primary);font-weight:650}.article-body li{margin-bottom:8px;color:#555563}.article-aside{position:sticky;top:100px;background:white;border:1px solid var(--line);border-radius:20px;padding:22px}.article-aside img{border-radius:14px;margin-bottom:18px}.article-aside h2{font-size:20px;margin:4px 0 12px}.article-aside ul,.article-aside ol{padding-left:20px;color:var(--muted)}.callout{margin:30px 0;padding:22px 24px;background:#f0edff;border-left:4px solid var(--primary);border-radius:0 14px 14px 0}.callout strong{color:var(--dark)}.callout p{margin-bottom:0}
.step-list{display:grid;gap:12px}.step-item{display:grid;grid-template-columns:72px 1fr;gap:22px;align-items:start;background:white;border:1px solid var(--line);border-radius:20px;padding:24px}.step-item>span{font-size:27px;font-weight:800;color:var(--primary)}.step-item h3{margin:0 0 6px;font-size:22px}.step-item p{margin:0;color:var(--muted)}
.guide-index .anchor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.anchor-grid a{background:white;border:1px solid var(--line);padding:22px;border-radius:18px}.anchor-grid strong{display:block;color:var(--dark);margin-bottom:6px}.anchor-grid span{color:var(--muted);font-size:14px}.guide-chapters{display:grid;gap:24px}.guide-chapter{background:white;border:1px solid var(--line);border-radius:24px;padding:34px;scroll-margin-top:100px}.guide-chapter h2{font-size:30px;line-height:1.25;margin:7px 0 12px}.chapter-summary{font-size:17px;color:#555563}.guide-chapter li{color:var(--muted);margin:8px 0}
.faq-list{display:grid;gap:12px}.faq-item{background:white;border:1px solid var(--line);border-radius:17px;overflow:hidden}.faq-item summary{cursor:pointer;list-style:none;padding:20px 22px;font-weight:720;color:var(--dark);position:relative;padding-right:52px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:28px;color:var(--primary);font-weight:400}.faq-item[open] summary::after{content:"–"}.faq-answer{padding:0 22px 20px}.faq-answer p{margin:0;color:var(--muted)}.three-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.three-links a{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.three-links strong{display:block;margin-bottom:6px;color:var(--dark)}.three-links span{color:var(--muted)}
.notice-box,.empty-state{background:white;border:1px solid var(--line);border-radius:22px;padding:30px}.notice-box h2,.empty-state h2{margin-top:0}.notice-box p,.empty-state p{color:var(--muted)}.notice-box a{color:var(--primary);font-weight:650}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100}.search-backdrop{position:absolute;inset:0;background:rgba(25,24,35,.62)}.search-panel{position:relative;width:min(680px,calc(100% - 32px));margin:12vh auto 0;background:white;border-radius:24px;padding:32px;box-shadow:0 24px 80px rgba(0,0,0,.24)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:34px;cursor:pointer;color:var(--muted)}.search-panel h2{font-size:30px;margin:6px 0 18px}.search-form label,.search-page-form label{display:block;font-weight:650;margin-bottom:7px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);background:#fbfbfd;border-radius:12px;padding:12px 14px;font:inherit}.search-page-form{margin:26px 0 34px}.result-count{color:var(--muted)}.search-results{display:grid;gap:12px}.search-results article{background:white;border:1px solid var(--line);border-radius:18px;padding:24px}.search-results h2{margin:0 0 8px;font-size:22px}.search-results p{margin:0 0 10px;color:var(--muted)}
.site-footer{background:#1f1f2b;color:#d2d2da;margin-top:60px;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:54px}.footer-grid h2{font-size:15px;color:white;margin:0 0 14px}.footer-grid>div>a{display:block;padding:5px 0;color:#c2c2cb}.footer-grid>div>a:hover{color:white}.footer-grid p{max-width:460px;color:#aaaab6}.footer-brand{color:white}.footer-bottom{border-top:1px solid #363646;margin-top:40px;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#9292a0}.footer-bottom p{margin:0}.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:14px;background:var(--dark);color:white;box-shadow:var(--shadow);cursor:pointer}
.error-page{text-align:center;padding:100px 0}.error-page h1{font-size:46px;margin:6px 0 14px}.error-page p{color:var(--muted)}
code{background:#eceaf5;padding:2px 6px;border-radius:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}
@media (max-width:1024px){.hero-grid,.inner-hero-grid,.editorial-layout,.editorial-layout.reverse,.media-band{grid-template-columns:1fr 1fr;gap:34px}.card-grid{gap:14px}.article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:30px}.primary-nav{gap:2px}.primary-nav a{padding:8px 9px}.header-inner{gap:14px}}
@media (max-width:820px){:root{--container:min(100% - 32px,1160px)}.menu-toggle{display:block;margin-left:auto}.primary-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:white;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.primary-nav.open{display:grid}.primary-nav a{padding:11px 12px}.search-toggle{margin-left:0}.hero-grid,.inner-hero-grid,.editorial-layout,.editorial-layout.reverse,.media-band,.split-heading,.article-layout{grid-template-columns:1fr}.editorial-layout.reverse .editorial-copy,.editorial-layout.reverse .editorial-media{order:initial}.hero{padding-top:44px}.inner-hero-grid{min-height:0}.hero-media{max-width:650px}.card-grid,.three-links{grid-template-columns:1fr}.feature-grid .content-card:nth-child(2){transform:none}.two-column-content{grid-template-columns:1fr}.article-aside{position:static}.link-index-grid,.guide-index .anchor-grid{grid-template-columns:1fr}.cta-panel{display:block}.cta-panel .button-row{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media (max-width:600px){:root{--container:calc(100% - 24px);--radius:20px}.header-inner{min-height:66px}.brand span{font-size:15px}.brand img{width:36px;height:36px}.search-toggle,.menu-toggle{padding:8px 10px;font-size:14px}.hero-copy h1,.inner-hero h1{font-size:36px}.lead{font-size:16px}.hero-media,.inner-hero figure{padding:10px;border-radius:22px}.hero-media img,.inner-hero figure img{border-radius:15px}.section{padding:52px 0}.section-heading h2,.editorial-copy h2,.media-band h2{font-size:29px}.content-card,.prose-card,.guide-chapter{padding:24px}.step-item{grid-template-columns:52px 1fr;padding:20px}.step-item>span{font-size:22px}.cta-panel{padding:28px 22px;border-radius:22px}.button-row{display:grid;grid-template-columns:1fr}.btn{width:100%}.search-row{display:grid}.search-panel{padding:26px 20px}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom a{display:inline-block;margin-top:8px}.link-index-grid{grid-template-columns:1fr}.article-body h2{font-size:26px}}
@media (max-width:390px){.brand span{display:none}.hero-copy h1,.inner-hero h1{font-size:32px}.section{padding:46px 0}.content-card{min-height:0}}