*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#F6FAFC;color:#31485D;font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:#126eaf;text-underline-offset:3px}a:hover{color:#174B78}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #25B6E8;outline-offset:3px}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:#183A56;line-height:1.38}h1{font-size:clamp(32px,3.5vw,42px);letter-spacing:-.02em}h2{font-size:26px}h3{font-size:19px}p{margin-bottom:1.05em}.wrap{width:min(1180px,calc(100% - 56px));margin-inline:auto}.reading{max-width:780px}.section{padding-block:54px}.section--tint{background:#EAF6FA}.section--white{background:#fff}.eyebrow{font-size:13px;letter-spacing:.12em;font-weight:700;color:#1787DB;text-transform:uppercase}.lead{font-size:17px;line-height:1.8;max-width:800px}.muted{color:#687D8E}.skip-link{position:absolute;top:-80px;left:16px;z-index:1000;background:#fff;padding:8px}.skip-link:focus{top:8px}.site-header{background:white;border-bottom:1px solid #DCE9F0}.topbar{height:72px;display:flex;align-items:center;gap:28px}.brand{text-decoration:none;display:flex;align-items:center;min-width:145px;min-height:40px}.brand .media--logo{height:38px;max-width:210px;background:transparent;border:0}.brand .media--missing{display:none}.brand-fallback{font-size:18px;letter-spacing:.04em;color:#174B78;font-weight:800}.brand:has(img) .brand-fallback{display:none}.topline{margin:0 auto;font-size:14px;color:#687D8E;white-space:nowrap}.entry,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 22px;border-radius:8px;background:#174B78;color:white;font-weight:700;text-decoration:none;white-space:nowrap}.entry:hover,.btn:hover{background:#1787DB;color:white}.btn--light{background:white;color:#174B78;border:1px solid #DCE9F0}.btn--light:hover{color:#174B78;background:#EAF6FA}.desktop-nav{background:#174B78}.nav-scroll{display:flex;align-items:stretch;gap:26px;min-height:48px;overflow-x:auto;scrollbar-width:thin}.desktop-nav a{font-size:14px;color:#EAF7FF;white-space:nowrap;text-decoration:none;display:flex;align-items:center;border-bottom:3px solid transparent;padding:10px 0}.desktop-nav a:hover,.desktop-nav a.is-active{border-color:#25C8D1;color:#fff;font-weight:700}.quickstrip{background:#EDF4F8;border-bottom:1px solid #DCE9F0}.quick-items{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;padding:11px 0;font-size:13px}.quick-items span{white-space:normal}.quick-items a{margin-left:10px}.menu-toggle{display:none}.drawer,.drawer-backdrop{visibility:hidden;pointer-events:none}.hero{padding:55px 0 35px}.hero-grid{display:grid;grid-template-columns:minmax(0,56fr) minmax(0,44fr);align-items:center;gap:35px}.hero h1{margin-bottom:22px}.hero p{max-width:630px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.media{display:flex;justify-content:center;align-items:center;width:100%;min-width:0;overflow:hidden;border-radius:14px;background:#EAF6FA;border:1px solid #DCE9F0}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media--hero{height:clamp(250px,26vw,330px)}.media--feature{height:250px}.media--card{height:170px}.media--banner{height:220px}.media--mobile{height:350px;max-width:320px}.media--logo{height:38px}.media--portrait{max-width:380px;margin-inline:auto}.media--wide{height:auto;min-height:110px;max-height:220px;aspect-ratio:3/1}.media--missing{background:linear-gradient(135deg,#EAF6FA,#EDF4F8)}.media--missing::before{content:'';width:34%;height:40%;border:1px solid #d3e6ed;border-radius:12px;opacity:.55}.panel{background:#fff;border:1px solid #DCE9F0;border-radius:14px;padding:24px;min-width:0}.panel--tint{background:#EAF6FA}.grid{display:grid;gap:18px}.grid--topics{grid-template-columns:repeat(4,minmax(0,1fr))}.grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card{display:block;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}.topic-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px #174B7812}.topic-card h3{margin:0 0 8px}.topic-card p{font-size:14px;line-height:1.7;margin:0;color:#687D8E}.topic-card .more{display:block;margin-top:14px;font-size:14px;font-weight:700;color:#126eaf}.editorial{display:grid;grid-template-columns:2fr 1fr;gap:22px}.stack{display:grid;gap:18px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:35px;align-items:center}.split--reverse .media{order:-1}.tag{display:inline-block;background:#EAF6FA;color:#174B78;font-size:13px;border-radius:5px;padding:2px 9px;margin-bottom:12px}.pathway{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:journey}.pathway div{background:#fff;border-top:3px solid #25C8D1;padding:18px;border-radius:8px}.pathway div::before{counter-increment:journey;content:'0' counter(journey);display:block;color:#1787DB;font-weight:700;margin-bottom:8px}.page-head{padding:40px 0 25px}.page-head h1{font-size:clamp(29px,3vw,36px);margin-bottom:14px}.page-head .lead{margin:0}.article-section{padding:24px 0;border-top:1px solid #DCE9F0}.article-section h2{margin-bottom:17px}.article-section h3{margin-top:22px}.content-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(180px,240px);gap:35px;align-items:start}.sidebar{position:sticky;top:24px}.side-list{padding-left:20px;margin:0}.mini-nav{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.mini-nav a{background:#EAF6FA;border:1px solid #DCE9F0;color:#174B78;border-radius:8px;padding:7px 12px;text-decoration:none}.table-scroll{overflow-x:auto;max-width:100%;border:1px solid #DCE9F0;border-radius:10px}table{border-collapse:collapse;width:100%;min-width:520px;background:#fff;font-size:15px}th,td{padding:13px 15px;border-bottom:1px solid #DCE9F0;text-align:left;vertical-align:top}th{background:#EAF6FA;color:#183A56}tr:last-child td{border-bottom:0}.steps{counter-reset:steps;list-style:none;padding:0;display:grid;gap:12px}.steps li{counter-increment:steps;background:white;border:1px solid #DCE9F0;border-radius:9px;padding:15px 18px}.steps li:before{content:counter(steps,decimal-leading-zero);color:#1787DB;font-weight:700;margin-right:14px}.feature-quote{padding:22px 28px;background:#EAF6FA;border-left:4px solid #25C8D1;border-radius:0 10px 10px 0}.gallery{display:grid;grid-template-columns:1fr 1fr;gap:22px}.gallery figure{margin:0}.gallery figcaption{padding-top:12px;font-size:14px;line-height:1.7}.related{padding:30px 0 50px}.related-links{display:flex;gap:12px;flex-wrap:wrap}.related-links a{display:inline-block;background:#fff;padding:12px 16px;border:1px solid #DCE9F0;border-radius:8px;text-decoration:none}.faq{display:grid;gap:9px}.faq details{border:1px solid #DCE9F0;border-radius:9px;background:#fff;padding:0 17px}.faq summary{font-weight:700;color:#183A56;cursor:pointer;padding:13px 0}.faq p{padding:0 0 12px;margin:0}.site-footer{background:#123653;color:#EAF7FF;padding:35px 0 16px}.site-footer strong{color:white}.site-footer strong span{font-size:12px;font-weight:400}.site-footer p{font-size:14px;max-width:500px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.footer-links{display:flex;gap:8px 18px;flex-wrap:wrap;margin-top:12px}.footer-links a{color:#EAF7FF;font-size:14px}.footer-bottom{border-top:1px solid #ffffff33;padding-top:12px;font-size:12px;color:#c9e2ee}.mobile-bottom{display:none}.to-top{position:fixed;bottom:24px;right:22px;border:1px solid #DCE9F0;border-radius:50%;width:42px;height:42px;background:white;color:#174B78;box-shadow:0 3px 12px #12365324}
@media(max-width:980px){.topbar{height:64px;justify-content:space-between;gap:12px}.menu-toggle{display:flex;width:40px;height:40px;flex:0 0 40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:transparent;border:1px solid #DCE9F0;border-radius:7px}.menu-toggle span{height:2px;width:18px;background:#174B78}.brand{min-width:0;margin-inline:auto;justify-content:center}.brand .media--logo{height:30px}.brand-fallback{font-size:13px;white-space:nowrap}.entry{min-height:40px;font-size:13px;padding:7px 12px}.topline,.desktop-nav{display:none}.drawer-backdrop{position:fixed;inset:0;background:#12365380;z-index:80;opacity:0;transition:opacity .2s}.drawer{position:fixed;inset:0 auto 0 0;width:min(86vw,344px);background:#fff;z-index:81;overflow-y:auto;padding:20px;transform:translateX(-105%);transition:transform .2s;box-shadow:10px 0 30px #0002}.drawer-head{display:flex;justify-content:space-between;align-items:center;font-size:20px;margin-bottom:14px}.drawer-head button{border:0;background:transparent;font-size:32px;min-width:40px;min-height:40px;color:#174B78}.drawer-section{border-top:1px solid #DCE9F0;padding:14px 0;display:grid;gap:3px}.drawer-section>span{font-size:12px;color:#687D8E;font-weight:700;margin-bottom:5px}.drawer-section>a{padding:10px 13px;border-radius:7px;text-decoration:none;color:#183A56}.drawer-section>a.is-active{background:#EAF6FA;font-weight:700;border-left:3px solid #25C8D1}body.drawer-open{overflow:hidden}body.drawer-open .drawer,body.drawer-open .drawer-backdrop{visibility:visible;pointer-events:auto}body.drawer-open .drawer{transform:translateX(0)}body.drawer-open .drawer-backdrop{opacity:1}.grid--topics{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-items{gap:7px 18px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;background:white;border-top:1px solid #DCE9F0;padding-bottom:env(safe-area-inset-bottom,0);box-shadow:0 -3px 12px #174B7811}.mobile-bottom a{text-align:center;padding:10px 3px;font-size:13px;text-decoration:none;font-weight:700}.site-footer{padding-bottom:calc(65px + env(safe-area-inset-bottom,0px))}.to-top{bottom:85px}}
@media(max-width:760px){.wrap{width:calc(100% - 44px)}.hero-grid,.split,.editorial,.content-layout{grid-template-columns:1fr}.hero{padding:32px 0}.split--reverse .media{order:0}.sidebar{position:static}.grid--three{grid-template-columns:1fr}.grid--two{grid-template-columns:1fr}.pathway{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr;gap:15px}.gallery{grid-template-columns:1fr}.media--feature{height:190px}.media--hero{height:220px}}
@media(max-width:640px){body{font-size:15px;line-height:1.78}.wrap{width:calc(100% - 32px)}h1{font-size:29px}h2{font-size:22px}h3{font-size:18px}.page-head h1{font-size:27px}.lead{font-size:16px}.section{padding-block:34px}.page-head{padding:28px 0 18px}.panel{padding:18px}.grid--topics{grid-template-columns:1fr 1fr;gap:10px}.topic-card p{font-size:13px}.hero-grid{gap:20px}.media--hero{height:200px}.media--feature{height:180px}.media--card{height:145px}.media--banner{height:150px}.media--mobile{height:290px;max-width:250px}.media--wide{min-height:80px}.pathway{grid-template-columns:1fr}.actions a{flex:1}.quick-items{font-size:12px}.quick-items a{margin-left:7px}.article-section{padding:18px 0}.entry{padding-inline:10px}.topbar{gap:5px}.brand-fallback{font-size:11px}}
@media(max-height:430px) and (max-width:980px){.mobile-bottom{position:static}.site-footer{padding-bottom:18px}.to-top{bottom:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}