*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FBFF;color:#223044;font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif}a{color:#0877C9;text-decoration:none}a:hover{text-decoration:underline}button{font:inherit}img{max-width:100%}.container{width:min(100% - 48px,1160px);margin-inline:auto}.skip-link{position:absolute;top:-90px;background:#fff;z-index:15000;padding:8px}.skip-link:focus{top:0}.site-header{background:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 1px 7px rgba(8,42,70,.08)}.header-inner{height:70px;display:flex;align-items:center;gap:26px}.site-logo{display:flex;align-items:center;flex:0 0 auto;min-width:166px;max-width:190px}.site-logo .media{max-height:38px}.logo-media{width:auto;max-width:190px;height:38px;background:transparent;min-width:0}.logo-media img{height:auto;max-height:100%;max-width:100%;object-fit:contain}.logo-media .media-placeholder{display:none}.logo-fallback{display:none;font-weight:800;font-size:20px;line-height:1.15;white-space:nowrap;color:#0877C9}.logo-fallback small{display:block;font-size:10px;letter-spacing:1px}.site-logo:has(.media-placeholder) .logo-fallback{display:block}.main-nav{display:flex;align-items:center;gap:clamp(10px,1.4vw,26px);margin:auto;white-space:nowrap}.nav-link{font-size:14px;font-weight:600;color:#223044;line-height:68px;border-bottom:2px solid transparent}.nav-link.is-active{color:#0877C9;border-bottom-color:#1CA8F6}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-width:78px;height:40px;padding:0 18px;background:#0877C9;color:#fff!important;border-radius:999px;font-weight:700;white-space:nowrap;text-decoration:none!important;margin-left:auto}.quick-nav{background:#EAF7FF}.quick-inner{display:flex;align-items:center;overflow-x:auto;scrollbar-width:thin;white-space:nowrap;min-height:44px}.quick-inner a{flex:0 0 auto;padding:0 15px;line-height:22px;border-right:1px solid #cadeeb;font-size:13px;color:#5F7082}.quick-inner a:first-child{padding-left:0}.quick-inner a.is-active{color:#0877C9;font-weight:700}.page-main{padding-top:30px;padding-bottom:48px;min-height:55vh}h1,h2,h3{color:#223044;line-height:1.36;margin:0 0 17px}h1{font-size:clamp(25px,3vw,36px);letter-spacing:-.4px}h2{font-size:23px}h3{font-size:18px}p{margin:0 0 16px}.eyebrow{font-size:13px;color:#0877C9;font-weight:700;letter-spacing:.06em;margin-bottom:10px}.lead{font-size:17px;color:#52677a}.panel,.article-body,.side-panel,.topic-block{background:#fff;border:1px solid #e2eef5;border-radius:14px}.panel{padding:26px}.section{margin:0 0 38px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px}.section-heading h2{margin-bottom:0}.muted{color:#5F7082}.link-list{display:grid;gap:12px}.link-list a{border-bottom:1px solid #e7f0f7;padding-bottom:8px}.hero{display:grid;grid-template-columns:55fr 45fr;align-items:center;gap:24px}.hero-copy{padding:6px 12px}.hero-points{display:grid;gap:9px;margin-top:14px}.hero-points a{font-weight:700}.media{display:flex;align-items:center;justify-content:center;max-width:100%;min-width:0;overflow:hidden;border-radius:12px;background:#EAF7FF}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media-placeholder{width:100%;height:100%;min-height:70px;background:linear-gradient(135deg,#EAF7FF,#dceefa);border-radius:inherit}.media-natural img{width:100%;max-height:280px;height:auto}.media-banner{height:min(290px,28vw)}.media-banner img{max-height:100%;width:auto}.media-wide{min-height:175px;max-height:220px}.media-wide img{max-height:220px}.media-device{max-height:330px;min-height:240px}.media-device img{max-height:330px}.media-brand{height:112px;padding:12px}.media-brand img{max-height:100%;max-width:100%}.media-brand .media-placeholder{min-height:40px}.media-gallery{min-height:130px;max-height:200px}.media-gallery img{max-height:195px}.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tile{background:#fff;border:1px solid #e2eef5;border-radius:12px;padding:21px}.tile h3{margin:0 0 8px}.tile p{font-size:14px;color:#52677a;margin:0}.two-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.three-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.editorial{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:22px}.editorial .article-body{padding:26px}.story-list{counter-reset:story;list-style:none;padding:0;margin:0}.story-list li{counter-increment:story;display:grid;grid-template-columns:32px 1fr;gap:10px;border-bottom:1px solid #e5eef4;padding:14px 0}.story-list li:before{content:counter(story,decimal-leading-zero);color:#0877C9;font-weight:800}.story-list strong{display:block}.story-list p{font-size:14px;margin:3px 0 0;color:#52677a}.brand-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.brand-card{background:#fff;border:1px solid #e1edf5;border-radius:12px;padding:12px;min-width:0}.brand-card h3{font-size:16px;margin:10px 0 4px}.brand-card p{font-size:13px;color:#5F7082;line-height:1.6;margin:0}.split-feature{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:center;gap:23px}.site-footer{background:#082A46;color:#EAF8FF;padding:40px 0 18px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}.site-footer h2{color:#fff;font-size:16px;margin:0 0 14px}.site-footer a{color:#EAF8FF;display:block;font-size:14px;margin:6px 0}.site-footer p{font-size:13px;color:#d3e6f3}.footer-logo{display:flex!important;gap:10px;align-items:center;font-size:20px!important}.footer-logo .media{max-width:135px}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:15px;margin-top:26px;font-size:13px}.footer-bottom p{margin:0}.page-head{margin:0 0 22px}.breadcrumbs{font-size:13px;color:#5F7082;margin:0 0 12px}.breadcrumbs a{color:#5F7082}.content-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(220px,1fr);gap:22px;align-items:start}.article-body{padding:28px 34px}.article-section{margin-bottom:24px}.article-section:last-child{margin-bottom:0}.article-section h2{font-size:22px;border-left:3px solid #1CA8F6;padding-left:12px;margin-bottom:12px}.article-section p{line-height:1.85}.side-panel{padding:20px;position:sticky;top:132px}.side-panel h2{font-size:17px}.side-panel a{display:block;padding:8px 0;border-bottom:1px solid #e9f1f6;font-size:14px}.related-block{margin-top:24px;padding-top:18px;border-top:1px solid #e1eaf0}.related-block h2{font-size:18px}.related-links{display:flex;flex-wrap:wrap;gap:8px 18px}.related-links a{font-size:14px}.image-caption{font-size:13px;color:#5F7082;margin-top:10px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid #e2eef5;padding:20px 24px;border-radius:12px}.faq-item h2{font-size:18px;margin:0 0 6px}.faq-item p{margin:0}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.gallery-item{background:#fff;border:1px solid #e3edf5;border-radius:12px;padding:14px}.gallery-item h2{font-size:18px;margin:12px 0 5px}.gallery-item p{font-size:14px;color:#52677a}.notice{background:#eaf7ff;border-left:3px solid #0877C9;padding:15px 18px;border-radius:8px;margin:20px 0;font-size:14px}.menu-toggle,.mobile-bottom,.mobile-drawer,.drawer-mask{display:none}.disclaimer{font-size:13px;color:#5F7082}.compact-links{display:flex;gap:14px;flex-wrap:wrap}.compact-links a{font-size:14px}.border-top{border-top:1px solid #e6f0f5;padding-top:18px}.card-title-link{display:inline-block;color:#223044;font-weight:700}.card-title-link:hover{color:#0877C9}.line-list{margin:0;padding-left:23px}.line-list li{padding:8px 0;border-bottom:1px solid #e5eef5}.mobile-hero{display:none}
@media(max-width:1050px){.header-inner{gap:14px}.site-logo{min-width:145px;max-width:160px}.main-nav{gap:10px}.nav-link{font-size:13px}}
@media(max-width:980px){.container{width:calc(100% - 40px)}.site-header .header-inner{height:58px;display:grid;grid-template-columns:1fr auto 1fr;gap:10px}.main-nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:0;padding:9px;justify-self:start;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#223044;width:22px}.site-logo{min-width:0;justify-content:center;max-width:180px}.site-logo .media{max-height:30px}.logo-media{height:29px}.site-logo .logo-fallback{font-size:17px}.main-btn{height:36px;padding:0 13px;min-width:64px;justify-self:end;margin:0}.quick-inner{min-height:42px}.content-layout{grid-template-columns:1fr}.side-panel{position:static}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:1050;height:60px;background:#fff;border-top:1px solid #dceaf3;justify-content:space-around;align-items:center}.mobile-bottom a{display:flex;justify-content:center;align-items:center;flex:1;height:100%;font-size:13px;color:#52677a}.mobile-bottom a.is-active{color:#0877C9;font-weight:700}.site-footer{padding-bottom:84px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100dvh;background:#fff;color:#223044;z-index:12000;overflow-y:auto;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s}.mobile-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(8,42,70,.42);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s}.drawer-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;padding:14px 17px;border-bottom:1px solid #e4eef5}.drawer-close{font-size:27px;background:transparent;border:0;cursor:pointer;color:#223044;line-height:1}.drawer-group{padding:12px 17px;border-bottom:1px solid #e7f0f5}.drawer-group h2{font-size:14px;color:#0877C9;margin:0 0 8px}.drawer-group a{display:block;min-height:40px;padding:6px 8px;font-size:14px;color:#223044}.drawer-group a.is-active{color:#0877C9;font-weight:700}}
@media(max-width:767px){.container{width:calc(100% - 32px)}body{font-size:15px}.page-main{padding-top:22px;padding-bottom:32px}h1{font-size:27px}h2{font-size:20px}.lead{font-size:15px}.section{margin-bottom:27px}.hero{grid-template-columns:1fr;gap:13px}.hero-copy{padding:4px 0}.media-banner{height:185px}.tiles,.two-cols,.three-cols,.editorial,.gallery-grid,.split-feature{grid-template-columns:1fr}.tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.tile{padding:15px}.tile h3{font-size:16px}.tile p{font-size:13px}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.brand-card{padding:9px}.brand-card h3{font-size:14px}.media-brand{height:90px}.panel,.article-body{padding:19px 17px}.article-section h2{font-size:20px}.article-section p{line-height:1.78}.footer-grid{gap:18px}.media-device{max-height:250px;min-height:180px}.media-device img{max-height:250px}.media-wide{min-height:130px;max-height:170px}.media-wide img{max-height:170px}.gallery-item{padding:12px}.site-footer{padding-top:29px}}
@media(max-width:360px){.site-logo .logo-fallback{font-size:15px}.site-logo{max-width:140px}.main-btn{min-width:58px;padding:0 10px}.brand-card p{font-size:12px}.tile{padding:12px}.tile h3{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer,.drawer-mask{transition:none}}
