:root{--cobalt:#2856c5;--cobalt-deep:#1c4099;--cobalt-soft:#e6edff;--navy:#22334e;--ink:#202b3b;--lime:#d5eb76;--lime-soft:#f3f9de;--sky:#72a8e8;--sky-soft:#eaf4ff;--coral:#ce647a;--coral-soft:#f9e8ee;--apricot:#d9914c;--apricot-soft:#fff0df;--mint:#4c9d96;--mint-soft:#e8f6f2;--background:#f6f9fd;--surface:#fff;--surface-soft:#eff4fa;--title:#202c40;--body:#3b4960;--muted:#627087;--border:#dee6f0;--divider:#ebf0f6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--body);font:16px/1.78 system-ui,-apple-system,'Microsoft YaHei','PingFang SC',sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--cobalt)}button,input,select{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.32;color:var(--title);letter-spacing:-.025em}h1{font-size:clamp(29px,3.2vw,44px)}h2{font-size:clamp(23px,2.15vw,29px)}h3{font-size:19px}p{margin-bottom:1rem}.wrap{max-width:1300px;margin:0 auto;padding-left:32px;padding-right:32px}.site-header{position:relative;z-index:10;background:#fff;box-shadow:0 3px 25px rgba(24,58,106,.045)}.nav-row{display:flex;align-items:center;min-height:76px;gap:30px}.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;line-height:1.15;color:var(--title)}.logo-mark{background:var(--cobalt);color:var(--lime);width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:30px}.logo strong{display:block;font-size:21px}.logo small{display:block;color:var(--muted);font-size:11px;margin-top:5px;letter-spacing:.04em}.desktop-nav{display:flex;gap:25px;margin:auto;font-weight:700;font-size:15px}.desktop-nav a:hover{color:var(--cobalt)}.header-search{display:flex;background:var(--background);border:1px solid var(--border);border-radius:26px;overflow:hidden;max-width:240px}.header-search input{padding:9px 7px 9px 16px;min-width:0;width:185px;border:0;background:transparent;outline:0;font-size:13px}.header-search button{border:0;background:none;color:var(--cobalt);font-size:27px;padding:0 11px}.channel-line{border-top:1px solid var(--divider)}.channels{display:flex;gap:12px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin;padding-top:11px;padding-bottom:12px}.channels a{padding:5px 12px;background:#f4f7fc;border-radius:30px;font-size:13px;flex-shrink:0}.channels a:hover{background:var(--cobalt-soft)}.menu-toggle{display:none;background:none;border:0;font-size:26px;color:var(--cobalt)}.eyebrow,.small-kicker{font-weight:800;font-size:12px;letter-spacing:.085em;text-transform:uppercase;color:var(--cobalt)}.eyebrow{display:inline-block;margin-bottom:13px}.lead{font-size:18px;max-width:740px;color:#4b5d77}.btn,.btn-outline{display:inline-block;border:0;border-radius:12px;padding:12px 22px;font-weight:750;background:var(--cobalt);color:white}.btn:hover{background:var(--cobalt-deep);color:white}.btn-outline{background:transparent;border:1px solid #a6b9dc;color:var(--cobalt)}.btn-outline:hover{background:var(--cobalt-soft)}.section{padding-top:70px;padding-bottom:24px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p{margin:5px 0 0;color:var(--muted)}.text-link{color:var(--cobalt);font-weight:800;white-space:nowrap}.surface{background:white;border:1px solid var(--border);border-radius:17px;padding:25px}.hero{padding-top:38px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:20px}.hero-main{min-height:375px;border-radius:22px;background:linear-gradient(130deg,#e8eeff,#fbfdff 55%,#e4f4ef);padding:44px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.hero-main:after{content:'◈';position:absolute;right:20px;bottom:-125px;font-size:360px;line-height:1;color:rgba(40,86,197,.08);pointer-events:none}.hero-main h1{max-width:640px;margin-bottom:17px}.hero-main p{max-width:570px;position:relative}.hero-main .btn{align-self:start;position:relative}.hero-side{border-radius:22px;background:var(--cobalt);padding:30px;color:white}.hero-side h2{color:white}.hero-side .eyebrow{color:var(--lime)}.hero-side a{display:block;padding:13px 0;border-bottom:1px solid #ffffff2e;font-size:15px}.hero-side a:hover{color:var(--lime)}.signals{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.signal-card{border:1px solid var(--border);border-radius:13px;background:white;padding:18px;min-height:140px;display:flex;flex-direction:column}.signal-card strong{color:var(--title);font-size:17px;margin:6px 0}.signal-card small{font-size:13px;color:var(--muted);line-height:1.6}.signal-card:hover{border-color:var(--cobalt)}.signal-card .sig-icon{font-size:26px}.editor-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,.85fr);gap:20px}.feature-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.feature-large{background:white;border:1px solid var(--border);border-radius:16px;overflow:hidden}.feature-large .feature-copy{padding:26px}.feature-large h3{font-size:26px}.feature-small{display:grid;gap:16px}.feature-small .surface{padding:20px}.media-fallback{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;background:linear-gradient(145deg,#dce8ff,#f5f9ff);color:var(--cobalt-deep);min-height:190px;overflow:hidden}.media-fallback span{font-size:50px;opacity:.35}.media-fallback small{font-size:13px;max-width:80%;text-align:center}.cover{width:100%;aspect-ratio:16/9;object-fit:cover}.sidebar{border:1px solid var(--border);background:white;border-radius:16px;padding:23px}.sidebar h3{font-size:18px}.sidebar a{display:block;padding:12px 0;border-bottom:1px solid var(--divider);font-size:14px}.sidebar a:last-child{border-bottom:0}.mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.mini-card{padding:22px;background:white;border:1px solid var(--border);border-radius:15px}.mini-card .number{color:var(--cobalt);font-weight:900;font-size:25px}.mini-card p{color:var(--muted);font-size:14px}.split-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:25px;align-items:center}.split-panel.reverse{grid-template-columns:1fr 1.15fr}.light-panel{background:#eaf2ff;border-radius:22px;padding:28px}.lime-panel{background:var(--lime-soft);border-radius:22px;padding:28px}.coral-panel{background:var(--coral-soft);border-radius:22px;padding:28px}.topic-row{display:grid;grid-template-columns:42px minmax(0,1fr) 20px;gap:14px;padding:20px 0;border-bottom:1px solid var(--divider)}.topic-row h3{margin:5px 0 7px}.topic-row p{margin:0 0 10px;font-size:14px;color:var(--muted)}.topic-glyph{font-size:25px}.arrow-link{font-size:22px;color:var(--cobalt)}.tags{display:flex;gap:8px;flex-wrap:wrap}.tags span,.pill{font-size:12px;color:#3f5372;background:#eef3fb;border-radius:20px;padding:3px 10px}.topic-stack{background:white;border:1px solid var(--border);padding:8px 25px;border-radius:17px}.topic-stack .topic-row:last-child{border:0}.mosaic{display:grid;grid-template-columns:2fr 1fr 1fr;gap:15px}.mosaic>.surface:first-child{grid-row:span 2;background:var(--cobalt-soft)}.mosaic .surface:nth-child(2){background:var(--lime-soft)}.mosaic .surface:nth-child(4){background:var(--coral-soft)}.kicker-index{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:10px}.kicker-index b{font-size:28px;color:var(--cobalt)}.timeline{border-left:2px solid var(--cobalt-soft);margin-left:9px;padding-left:30px}.timeline-item{position:relative;margin-bottom:24px;background:white;padding:25px;border-radius:16px;border:1px solid var(--border)}.timeline-item:before{content:'';position:absolute;background:var(--cobalt);height:12px;width:12px;border-radius:50%;top:28px;left:-37px}.subhero{padding-top:53px;padding-bottom:28px}.subhero h1{margin-bottom:12px}.filter-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:25px}.filter-links{display:grid;gap:4px}.filter-links a{padding:9px 12px;border-radius:9px;font-size:14px}.filter-links a[aria-current],.filter-links a:hover{background:var(--cobalt-soft);color:var(--cobalt)}.filter-links strong{display:block;margin-bottom:12px}.pagination{display:flex;gap:8px;margin:27px 0;flex-wrap:wrap}.pagination a{display:grid;place-items:center;min-width:44px;height:44px;border:1px solid var(--border);background:white;border-radius:10px}.pagination a[aria-current]{background:var(--cobalt);color:white}.breadcrumbs{color:var(--muted);font-size:13px;margin-bottom:25px}.breadcrumbs a{color:var(--cobalt)}.reading-shell{display:grid;grid-template-columns:minmax(0,800px) minmax(230px,1fr);gap:30px}.reading{padding:35px;background:white;border:1px solid var(--border);border-radius:18px}.reading h1{font-size:clamp(28px,2.7vw,39px)}.reading p{font-size:17px;line-height:1.88;color:var(--body);margin:22px 0}.reading h2{margin-top:40px;font-size:23px}.reading ul{padding-left:23px}.reading li{margin:12px 0}.note{padding:17px 20px;background:var(--lime-soft);border-left:4px solid #abc75e;border-radius:8px;color:var(--title)}.atlas-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.atlas-card{background:white;border:1px solid var(--border);border-radius:20px;padding:28px;min-height:240px}.atlas-card:nth-child(4n+1){background:var(--cobalt-soft)}.atlas-card:nth-child(4n+3){background:var(--lime-soft)}.atlas-card h2{font-size:23px}.atlas-card p{font-size:15px}.atlas-detail{scroll-margin-top:25px;padding:35px;margin-top:18px;background:white;border:1px solid var(--border);border-radius:18px}.atlas-detail p{max-width:880px}.search-form{display:flex;gap:10px;max-width:780px}.search-form input{flex:1;min-width:0;padding:13px 17px;border:1px solid var(--border);border-radius:12px}.topic-filters{margin:20px 0;display:flex;flex-wrap:wrap;gap:9px}.topic-filters a{padding:7px 14px;border-radius:30px;border:1px solid var(--border);background:white;font-size:13px}.topic-filters a[aria-current]{color:white;background:var(--cobalt)}.info-grid{display:grid;grid-template-columns:230px 1fr;gap:30px}.info-nav{position:sticky;top:20px;align-self:start}.info-nav a{display:block;padding:8px 0}.info-section{background:white;border:1px solid var(--border);border-radius:16px;margin-bottom:18px;padding:30px;scroll-margin-top:15px}.notfound{text-align:center;padding-top:130px;padding-bottom:130px}.site-footer{margin-top:80px;background:#eaf0f9;padding:50px 0 15px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer-grid p{max-width:350px;color:var(--muted);font-size:14px}.footer-grid a{display:block;padding:3px 0;font-size:14px}.footer-grid strong{display:block;margin-bottom:10px;color:var(--title)}.footer-brand{font-size:23px;font-weight:850;color:var(--cobalt)}.footer-bottom{margin-top:35px;border-top:1px solid var(--border);padding-top:20px;font-size:12px;color:var(--muted)}.mobile-bottom{display:none}.menu-overlay,.mobile-menu{display:none}.skip-link,.sr-only{position:absolute;left:-9999px}.skip-link:focus{left:10px;top:10px;z-index:100;background:white;padding:10px}
@media(max-width:1050px){.desktop-nav{gap:15px}.header-search{max-width:180px}.header-search input{width:125px}.signals{grid-template-columns:repeat(4,1fr)}.wrap{padding-left:24px;padding-right:24px}.hero-main{padding:32px}.reading-shell{grid-template-columns:minmax(0,1fr) 250px}}
@media(max-width:780px){.wrap{padding-left:17px;padding-right:17px}.nav-row{min-height:68px;gap:10px}.logo strong{font-size:17px}.logo small{font-size:10px}.logo-mark{width:38px;height:38px}.desktop-nav{display:none}.header-search{margin-left:auto;max-width:190px}.menu-toggle{display:block}.hero-grid,.editor-grid,.split-panel,.split-panel.reverse,.reading-shell,.filter-layout,.info-grid{grid-template-columns:1fr}.hero-main{min-height:320px}.hero-side{padding:24px}.signals{grid-template-columns:repeat(2,1fr)}.mini-grid{grid-template-columns:repeat(2,1fr)}.mosaic{grid-template-columns:1fr 1fr}.mosaic>.surface:first-child{grid-row:auto;grid-column:span 2}.reading{padding:25px}.info-nav{position:static;display:flex;gap:14px;flex-wrap:wrap}.site-footer{margin-bottom:58px}.mobile-bottom{display:flex;position:fixed;z-index:15;bottom:0;left:0;right:0;justify-content:space-around;background:white;border-top:1px solid var(--border);padding:6px 0 max(6px,env(safe-area-inset-bottom));box-shadow:0 -3px 20px #172b4412}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;min-width:60px;font-size:22px;line-height:1.2}.mobile-bottom small{font-size:11px}.menu-overlay:not([hidden]){display:block;position:fixed;inset:0;background:#15253d88;z-index:25}.mobile-menu:not([hidden]){display:flex;position:fixed;top:0;right:0;bottom:0;width:min(80vw,320px);background:white;z-index:30;padding:70px 25px 30px;flex-direction:column;gap:15px;box-shadow:-10px 0 30px #172b442c}.mobile-menu a{padding:8px 0;border-bottom:1px solid var(--divider)}.menu-close{position:absolute;right:20px;top:18px;background:none;border:0;font-size:25px}.drawer-open{overflow:hidden}}
@media(max-width:500px){.header-search{max-width:42px;border:0;background:transparent}.header-search input{width:1px;padding:0;opacity:0;position:absolute;pointer-events:none}.header-search button{font-size:29px}.hero-main{padding:24px;min-height:340px}.hero-main h1{font-size:29px}.hero-side{border-radius:16px}.feature-layout,.mosaic,.atlas-grid,.footer-grid{grid-template-columns:1fr}.mosaic>.surface:first-child{grid-column:auto}.section{padding-top:48px}.feature-large h3{font-size:22px}.section-head{align-items:start}.mini-card{padding:15px}.reading{padding:20px}.search-form{flex-wrap:wrap}.search-form .btn{width:100%}.footer-grid{gap:25px}}