*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F7F8FC;color:#38445A;font:16px/1.78 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}a:hover{color:#7566AB}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #7566AB;outline-offset:3px}button,input{font:inherit}.container{width:min(1160px,calc(100% - 56px));margin-inline:auto}.skip{position:absolute;left:8px;top:-100px;background:#fff;padding:8px;z-index:100}.skip:focus{top:8px}.site-head{background:white;border-bottom:1px solid #E2E8F1}.head-inner{min-height:70px;display:flex;align-items:center;gap:26px}.brand{display:inline-flex;gap:12px;align-items:center;flex-shrink:0;font-weight:800;color:#202B43}.logo-image{display:block;height:28px;width:auto;max-width:170px;object-fit:contain}.logo-text{font-size:23px;white-space:nowrap}.brand-en{font-size:11px;letter-spacing:.14em;color:#637189;white-space:nowrap}.head-nav{display:flex;gap:23px;margin-left:auto;align-items:center;font-size:14px;white-space:nowrap}.head-nav a[aria-current],.sub-inner a[aria-current]{color:#7566AB;border-bottom:2px solid #7566AB}.head-actions{display:flex;gap:12px;align-items:center}.app-link{font-size:14px;white-space:nowrap}.icon-btn,.close-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:0;border-radius:10px;background:transparent;color:#202B43;cursor:pointer}.icon-btn:hover,.close-btn:hover{background:#EEF3FA}.icon-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}.menu-button{display:none}.nojs-menu{display:none}.subbar{background:#EEF3FA;border-bottom:1px solid #E2E8F1}.sub-inner{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:#637189}.sub-inner nav{display:flex;gap:22px;white-space:nowrap}.main-content{padding-top:34px;padding-bottom:64px}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#202B43;line-height:1.32;overflow-wrap:anywhere}h1{font-size:33px;letter-spacing:-.03em}h2{font-size:25px}h3{font-size:19px}p{margin-bottom:15px;max-width:74ch}small,.eyebrow{font-size:13px;color:#7566AB;letter-spacing:.08em}.muted{color:#637189}.lead{font-size:17px;line-height:1.82}.section{margin-block:56px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-title h2{margin:0}.section-title a,.text-link{color:#63539d;font-weight:700}.section-title a:hover,.text-link:hover{text-decoration:underline}.card{background:#fff;border:1px solid #E2E8F1;border-radius:12px;padding:22px;min-width:0;box-shadow:0 2px 9px #202b4308}.card p:last-child{margin-bottom:0}.hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:center;gap:28px;padding:32px;background:#fff;border:1px solid #E2E8F1;border-radius:14px}.hero h1{margin:10px 0 14px}.hero .lead{max-width:55ch}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.action{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:9px 17px;border:1px solid #7566AB;border-radius:10px;color:#fff;background:#7566AB;font-weight:650;font-size:14px}.action.secondary{background:#fff;color:#54488d}.action:hover{background:#54488d;color:#fff}.media{display:flex;align-items:center;justify-content:center;min-width:0;min-height:110px;padding:10px;background:#EEF3FA;border-radius:10px}.media img{display:block;max-width:100%;width:auto;height:auto;max-height:100%;object-fit:contain;object-position:center}.media-fallback{color:#637189;text-align:center;font-size:16px;font-weight:700;letter-spacing:.08em}.hero-media{max-height:260px;min-height:170px}.hero-media img{max-height:240px}.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);align-items:center;gap:24px;background:#EEF3FA;border-radius:12px;padding:20px}.feature-media{max-height:170px;min-height:140px}.feature-media img{max-height:150px}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.tile-media{min-height:140px;max-height:170px;margin-bottom:14px}.tile-media img{max-height:150px}.tile h3{margin-bottom:10px}.tile p{font-size:15px}.duo{display:grid;grid-template-columns:1.16fr 1fr;gap:18px}.duo .media{max-height:165px;margin-bottom:16px}.duo .media img{max-height:145px}.editorial{display:grid;grid-template-columns:1fr 1.5fr;gap:24px;align-items:center}.editorial .media{max-height:210px}.editorial .media img{max-height:190px}.topic-list{display:grid;gap:12px}.topic-line{padding:12px 0;border-bottom:1px solid #E2E8F1}.topic-line strong{display:block;color:#202B43}.topic-line p{margin:0}.band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px;align-items:center;background:#fff;padding:22px;border:1px solid #E2E8F1;border-radius:12px}.band .media{max-height:180px}.band .media img{max-height:160px}.mini3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mini3>*{min-width:0}.mini3 .card{padding:18px}.mini3 h3{margin-bottom:8px}.app-band{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:center;gap:38px;background:#EEF3FA;padding:24px;border-radius:12px}.app-media{max-width:210px;max-height:340px;min-height:180px}.app-media img{max-height:320px;max-width:190px}.closing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.faq-tease{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.faq-tease a{display:block;padding:15px;background:#EEF3FA;border-radius:10px}.article-head{margin-bottom:24px}.article-head .lead{max-width:70ch}.article-layout-a .article-intro{display:grid;grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:26px;margin-bottom:26px}.article-figure{max-height:260px}.article-figure img{max-height:240px}.article-layout-b .article-figure{max-width:630px;margin:0 auto 26px}.article-layout-b .article-figure img{max-height:240px}.article-layout-b .article-body{display:grid;grid-template-columns:1fr 1fr;gap:18px}.article-layout-c .article-figure{max-width:450px;margin:0 0 18px}.article-layout-c .article-body{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:28px}.article-layout-c .toc{align-self:start;background:#EEF3FA;border-radius:10px;padding:16px;position:sticky;top:12px}.toc a{display:block;padding:6px 0;font-size:14px;color:#54488d}.article-section{margin:0 0 26px;min-width:0}.article-section h2{font-size:24px;margin:0 0 12px}.article-section p{max-width:74ch}.article-body{min-width:0}.tip{border-left:3px solid #7566AB;background:#EEF3FA;padding:15px 18px;margin:28px 0;border-radius:0 10px 10px 0}.tip p{margin:0}.related{border-top:1px solid #E2E8F1;padding-top:22px;margin-top:30px}.related a{display:inline-flex;align-items:center;min-height:44px;padding:6px 14px;margin:0 7px 8px 0;border-radius:9px;border:1px solid #E2E8F1;background:#fff;color:#54488d}.faq-page .article-section{padding-bottom:20px;border-bottom:1px solid #E2E8F1}.site-footer{background:#202B43;color:#fff;padding:38px 0 20px}.site-footer h2{font-size:16px;color:#fff;margin:0 0 12px}.site-footer a:hover{color:#c5b8ff}.footer-brand{border-bottom:1px solid #ffffff30;padding-bottom:22px}.footer-brand .brand{color:white}.footer-brand .logo-text{color:white}.footer-brand p{color:#d9e7f6;font-size:14px;margin-top:8px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding:28px 0}.foot-links{display:grid;gap:7px;font-size:14px;color:#e1e9f6}.foot-end{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff30;padding-top:16px;color:#d9e7f6;font-size:13px}.mobile-tail{display:none}.overlay[hidden]{display:none!important}.overlay{position:fixed;inset:0;z-index:90;display:flex;align-items:flex-start;justify-content:center;padding:24px 16px}.overlay-backdrop{position:absolute;inset:0;background:#10192dc9}.menu-panel,.search-panel{position:relative;z-index:1;background:#fff;border-radius:12px;width:min(800px,100%);max-height:calc(100dvh - 48px);overflow-y:auto;padding:22px;box-shadow:0 20px 60px #0003}.menu-panel{width:min(850px,100%)}.overlay-open{overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:12px;border-bottom:1px solid #E2E8F1}.panel-head strong{font-size:20px;color:#202B43}.close-btn{padding:0 12px}.menu-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px 28px;padding-top:15px}.menu-groups h2{font-size:18px}.menu-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.menu-links a,.results a{display:flex;align-items:center;min-height:44px;padding:7px 10px;border-radius:8px;background:#EEF3FA}.menu-links a:hover,.results a:hover{background:#D9E7F6}.search-panel label{display:block;margin:18px 0 8px;font-weight:700}.search-panel input{width:100%;min-height:48px;border:1px solid #9daac0;border-radius:10px;padding:8px 12px;color:#202B43}.search-hint{color:#637189;font-size:13px;margin:9px 0}.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:16px}.results p{grid-column:1/-1}.search-all{margin:18px 0 0}.search-all a{text-decoration:underline;color:#54488d}@media(max-width:1024px){.container{width:calc(100% - 44px)}.head-nav{gap:14px}.head-nav a:nth-last-child(-n+2){display:none}.brand-en{display:none}.head-inner{gap:12px}.menu-button{display:inline-flex}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.container{width:calc(100% - 32px)}.head-inner{min-height:60px}.head-nav,.app-link,.subbar{display:none}.head-actions{margin-left:auto}.menu-button{display:inline-flex}.main-content{padding-top:20px;padding-bottom:36px}.section{margin-block:38px}.hero{grid-template-columns:1fr;padding:18px;gap:16px}.hero-media{max-height:220px}.hero-media img{max-height:200px}.feature,.editorial,.band,.app-band,.article-layout-a .article-intro,.article-layout-b .article-body,.article-layout-c .article-body{grid-template-columns:1fr}.feature .media{max-height:160px}.duo{grid-template-columns:1fr}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.app-band{gap:18px}.app-media{max-width:210px;justify-self:center}.article-layout-c .toc{position:static}.article-layout-c .toc a{display:inline-block;margin-right:12px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.closing,.faq-tease{grid-template-columns:1fr}.menu-groups{grid-template-columns:1fr 1fr}.mobile-tail{display:flex;justify-content:space-around;gap:10px;padding:12px 16px;background:#EEF3FA}.mobile-tail a{display:flex;min-height:44px;align-items:center;color:#54488d}h1{font-size:29px}h2{font-size:22px}.article-section h2{font-size:22px}}@media(max-width:480px){.grid4,.mini3,.menu-groups,.menu-links,.results{grid-template-columns:1fr}.head-inner{gap:5px}.brand{gap:5px}.logo-text{font-size:21px}.head-actions{gap:2px}.hero-media,.article-figure{min-height:120px}.tile-media{min-height:120px;max-height:160px}.tile-media img{max-height:140px}.card{padding:17px}.hero{padding:17px}.app-band{padding:17px}.footer-grid{gap:22px 14px}.foot-end{flex-direction:column}.menu-panel,.search-panel{padding:16px}.overlay{padding:10px}.menu-panel,.search-panel{max-height:calc(100dvh - 20px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}