@charset "UTF-8";
:root{--ink:#080E19;--night:#0E1727;--nav:#121F32;--nav-card:#1A2B40;--ocean:#173555;--brand-blue:#215CB0;--button-blue:#1A519F;--bright-blue:#4A9AE6;--ice:#73CEE6;--paper:#F4F7FB;--paper-blue:#E8F1FA;--warm-white:#FBF9F5;--card:#FFFFFF;--dark-title:#172C41;--dark-body:#344B60;--night-title:#FAFCFF;--night-body:#DAE5EF;--coral:#E18B79;--mint:#6DBCB1;--amber:#E6B46F;--lilac:#AB9CDB}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--dark-body);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--brand-blue)}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.3;color:var(--dark-title)}.container{max-width:1240px;padding:0 30px;margin:0 auto}.skip-link{position:absolute;z-index:100;top:-90px;background:#fff;padding:12px}.skip-link:focus{top:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.topbar{background:var(--ink);color:#d7e6f6;font-size:12px}.top-inner{display:flex;align-items:center;justify-content:space-between;min-height:32px}.top-inner div{display:flex;gap:17px}.topbar a:hover{color:var(--ice)}.site-header{background:var(--nav);color:var(--night-title);position:relative;z-index:20}.header-inner{min-height:73px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;flex-direction:column;flex-shrink:0;color:#fff;line-height:1.1}.brand:hover{color:#fff}.brand img{max-width:160px;max-height:48px;object-fit:contain}.brand-cn{font-size:26px;font-weight:850;letter-spacing:2px}.brand small{font-size:9px;letter-spacing:2px;margin-top:3px}.primary{display:flex;align-items:center;gap:23px;font-weight:600;font-size:15px}.primary a{color:#e9f2fb;padding:23px 0 19px;border-bottom:3px solid transparent}.primary a.active,.primary a:hover{color:var(--ice);border-color:var(--ice)}.header-actions{display:flex;align-items:center;gap:12px}.header-search{display:flex;border:1px solid #5e7893;border-radius:9px;overflow:hidden;max-width:220px}.header-search input{width:125px;min-width:0;background:transparent;border:0;color:#fff;padding:8px 10px;outline-offset:-2px}.header-search input::placeholder{color:#a4bacf}.header-search button{background:var(--button-blue);color:#fff;border:0;padding:8px 10px}.menu-toggle{background:var(--nav-card);border:1px solid #52687b;border-radius:9px;color:#fff;min-height:44px;padding:6px 11px}.menu-overlay{position:fixed;inset:0;background:#0009;z-index:90}.menu-panel{position:fixed;right:0;top:0;bottom:0;width:min(650px,100%);background:var(--nav);z-index:91;color:#fff;padding:26px;overflow-y:auto;transform:translateX(105%);visibility:hidden;transition:transform .2s ease,visibility .2s}.menu-panel.visible{visibility:visible;transform:translateX(0)}.panel-head{display:flex;justify-content:space-between;align-items:center;font-size:21px;margin-bottom:20px}.panel-head button{background:var(--nav-card);color:#fff;border:0;font-size:28px;border-radius:8px;width:44px;height:44px}.menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.menu-grid h3{color:var(--ice);font-size:16px}.menu-grid section{display:flex;flex-direction:column;gap:6px}.menu-grid a{font-size:14px;color:#dae5ef;padding:2px 0}.menu-grid a:hover{color:var(--ice)}.home-cover{background:linear-gradient(115deg,#081422,#163454 65%,#132c45);color:#fff}.cover-grid{min-height:363px;display:grid;grid-template-columns:44% 56%;align-items:center;gap:4px;padding-top:30px;padding-bottom:30px}.cover-copy{position:relative;z-index:1}.cover-copy h1{font-size:38px;color:#fff;line-height:1.38;letter-spacing:-.7px}.cover-copy h1 em{display:block;font-style:normal;color:var(--ice)}.cover-copy p{color:#d9e5f0;max-width:490px}.cover-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border:0;border-radius:9px;background:var(--button-blue);color:#fff;font-weight:650}.btn:hover{background:#286cbb;color:#fff}.btn-ice{background:var(--ice);color:#081725}.btn-ice:hover{background:#93e2f4;color:#081725}.btn-outline{background:transparent;border:1px solid #b4d1e7;color:#fff}.btn-outline:hover{background:#ffffff18}.hero-art{width:100%;height:308px;object-fit:contain}.image-fallback{background:radial-gradient(ellipse at 78% 20%,#4282b1 0,transparent 42%),linear-gradient(125deg,#132942,#1f4968);border:1px solid #ffffff1c;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#effaff;text-align:center;padding:20px}.image-fallback span{font-size:11px;letter-spacing:.24em;color:#a9d9e6}.image-fallback strong{font-size:23px;line-height:1.35}.eyebrow{display:block;font-size:11px;color:var(--brand-blue);font-weight:750;letter-spacing:1.3px;margin-bottom:10px}.home-cover .eyebrow,.channel-banner .eyebrow{color:var(--ice)}.page-with-sidebar{display:grid;grid-template-columns:190px minmax(0,1fr);gap:34px;padding-top:32px}.channel-rail{align-self:start;position:sticky;top:20px;border-top:3px solid var(--brand-blue);background:#fff;padding:15px}.channel-rail h2{font-size:17px}.channel-rail a{display:flex;justify-content:space-between;font-size:14px;border-bottom:1px solid #e4eaf0;padding:9px 2px}.channel-rail span{color:#6c849a}.home-content{min-width:0}.home-section{margin-bottom:52px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px;border-bottom:1px solid #d5e0ea;padding-bottom:14px}.section-title h2{font-size:26px;margin:0}.section-title p{margin:5px 0 0}.section-title>a{color:var(--brand-blue);font-size:14px;white-space:nowrap}.brief-list{background:white;border-radius:12px;padding:6px 22px}.brief-list a{display:grid;grid-template-columns:35px 1fr auto;gap:14px;align-items:center;min-height:62px;border-bottom:1px solid #e7edf4}.brief-list a:last-child{border-bottom:0}.brief-list a span{color:var(--brand-blue);font-size:20px;font-weight:800}.brief-list a strong{color:var(--dark-title);font-size:16px}.brief-list a small{color:#526b81}.pill-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pill-links a{background:var(--paper-blue);border-radius:10px;padding:16px;font-weight:700;color:var(--ocean)}.pill-links a:hover{background:#c9e5fa}.feature-main{display:grid;grid-template-columns:55% 1fr;gap:22px;align-items:center;background:#fff;border-radius:12px;padding:16px}.feature-image{width:100%;height:240px;object-fit:contain;border-radius:8px}.feature-main h3{font-size:23px}.text-link{color:var(--brand-blue);font-weight:700}.compact-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}.compact-links a{border-left:3px solid var(--mint);padding-left:13px;font-size:14px}.modular{border-top:3px solid var(--brand-blue);padding-top:20px}.module-1{border-color:var(--mint)}.module-2{border-color:var(--amber)}.module-3{border-color:var(--lilac)}.mod-inner{display:grid;grid-template-columns:47% 1fr;gap:24px}.module-1 .mod-inner{grid-template-columns:1fr 47%}.module-1 .mod-visual{order:2}.module-2{background:#e8f1fa;border-radius:12px;padding:22px}.module-3{background:#152a40;border-radius:12px;padding:22px;color:#dce7f1}.module-3 h2,.module-3 h3,.module-3 h3 a{color:#fff}.module-3 .eyebrow,.module-3 .section-title>a{color:var(--ice)}.mod-visual{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;align-self:start}.mod-visual a:first-child:nth-last-child(1){grid-column:1/-1}.mod-visual a:first-child:nth-last-child(3){grid-column:1/-1}.mod-visual a{position:relative;display:block;min-width:0}.module-pic{width:100%;height:155px;object-fit:contain;border-radius:8px}.mod-visual>a>span{display:block;font-size:13px;font-weight:700;margin-top:4px}.mod-articles article{padding:10px 0;border-bottom:1px solid #cbd6df}.mod-articles h3{font-size:18px;margin:3px 0 5px}.mod-articles p{font-size:14px;margin-bottom:8px}.mod-articles>.text-link{display:inline-block;margin-top:12px}.channel-banner{background:linear-gradient(110deg,#0b1727,#173755);color:#e0eafa;padding:55px 0}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}.channel-banner h1{font-size:39px;color:white}.channel-banner h2{font-size:23px;color:var(--ice)}.channel-banner p{max-width:650px}.banner-img{width:100%;height:255px;object-fit:contain}.block{margin-top:55px;margin-bottom:60px}.knowledge-grid,.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.knowledge-grid article,.story-card{background:white;border-radius:12px;padding:22px;min-width:0}.knowledge-grid article>span{color:var(--bright-blue);font-weight:800;font-size:22px}.knowledge-grid h3,.story-card h3{font-size:18px;margin:7px 0 11px}.knowledge-grid p,.story-card p{font-size:15px}.story-card{border-top:3px solid var(--brand-blue)}.story-card:nth-child(3n+2){border-color:var(--mint)}.story-card:nth-child(3n+3){border-color:var(--amber)}.story-card .meta{font-size:12px;color:#64788b}.feature-note{background:var(--paper-blue);padding:28px;border-radius:12px}.link-row{display:flex;flex-wrap:wrap;gap:18px}.link-row a{color:var(--button-blue);font-weight:700}.article-layout{display:grid;grid-template-columns:minmax(0,770px) 245px;gap:60px;padding-top:42px;padding-bottom:80px;justify-content:center}.reading{min-width:0;background:white;padding:36px;border-radius:12px}.reading h1{font-size:35px;line-height:1.35}.crumb{font-size:13px;margin-bottom:24px}.article-deck{font-size:19px;color:#37516a}.article-meta{font-size:13px;color:#5c7289;border-bottom:1px solid #d7e3ee;padding-bottom:18px}.article-content{font-size:17px;line-height:1.82;padding-top:20px}.article-content h2{font-size:24px;margin:32px 0 14px}.article-content p{margin-bottom:23px}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags span{background:var(--paper-blue);border-radius:30px;padding:4px 12px;font-size:12px}.article-note{margin-top:30px;background:var(--paper-blue);border-left:3px solid var(--brand-blue);padding:18px}.article-note p{margin-bottom:0}.article-side{align-self:start;position:sticky;top:20px;background:white;padding:20px;border-radius:12px}.article-side h2{font-size:19px}.article-side a{display:block;padding:9px 0;border-bottom:1px solid #e2eaf0}.search-page h1{font-size:35px}.search-main{display:flex;gap:10px;max-width:650px;margin:28px 0 38px}.search-main input{width:100%;min-width:0;border:1px solid #a9bac8;border-radius:9px;padding:10px 13px}.search-page>h2{font-size:22px}.pagination{display:flex;gap:7px;flex-wrap:wrap;margin:25px 0}.pagination a{padding:7px 13px;border-radius:6px;background:#fff}.pagination .chosen{background:var(--brand-blue);color:white}.empty{background:white;padding:25px;border-radius:9px}.not-found{text-align:center;padding:110px 0}.site-footer{background:var(--ink);color:#dbe7f3;padding:45px 0 75px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid strong{color:white;font-size:24px}.footer-grid small{font-size:11px}.footer-grid h3{color:var(--ice);font-size:16px}.footer-grid a{display:block;margin:8px 0;font-size:14px}.muted{font-size:12px;color:#aec0d1}.mobile-tabs{display:none}
@media(max-width:1100px){.header-search{display:none}.primary{gap:14px}.page-with-sidebar{display:block}.channel-rail{position:static;display:flex;overflow-x:auto;gap:16px;align-items:center;margin-bottom:25px}.channel-rail h2{white-space:nowrap;margin:0}.channel-rail a{white-space:nowrap}.container{padding-left:22px;padding-right:22px}}
@media(max-width:760px){.container{padding-left:17px;padding-right:17px}.topbar{display:none}.header-inner{min-height:66px}.brand-cn{font-size:23px}.primary{display:none}.menu-toggle{font-size:14px}.cover-grid{grid-template-columns:1fr;min-height:unset;gap:22px;padding:32px 17px}.cover-copy h1{font-size:29px}.hero-art{height:210px}.page-with-sidebar{padding-top:20px}.home-section{margin-bottom:34px}.section-title h2{font-size:22px}.brief-list{padding:6px 14px}.brief-list a{grid-template-columns:28px 1fr;gap:8px;padding:11px 0}.brief-list a small{display:none}.brief-list a strong{font-size:15px}.pill-links{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-main,.mod-inner,.module-1 .mod-inner,.two-col,.article-layout{grid-template-columns:1fr}.feature-image{height:205px}.compact-links{grid-template-columns:1fr}.module-1 .mod-visual{order:0}.mod-visual{grid-template-columns:repeat(2,minmax(0,1fr))}.module-pic{height:130px}.knowledge-grid,.cards{grid-template-columns:1fr}.channel-banner{padding:36px 0}.channel-banner h1{font-size:30px}.channel-banner h2{font-size:20px}.banner-img{height:180px}.block{margin-top:35px;margin-bottom:38px}.article-layout{gap:20px;padding-top:20px}.reading{padding:22px 17px}.reading h1{font-size:28px}.article-side{position:static}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:first-child{grid-column:1/-1}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;z-index:35;display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom);background:#11243a;border-top:1px solid #496178;color:white}.mobile-tabs a{text-align:center;padding:10px 4px;min-height:44px;font-size:14px}.site-footer{padding-bottom:105px}.menu-grid{grid-template-columns:1fr 1fr;gap:14px}.menu-panel{padding:18px}.search-main{flex-wrap:wrap}.search-main input{min-height:44px}}
@media(max-width:420px){.menu-grid{grid-template-columns:1fr}.mod-visual{grid-template-columns:1fr 1fr}.image-fallback strong{font-size:17px}.section-title>a{font-size:12px}.cover-actions .btn{width:100%}}