.knowledge-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:32px}.knowledge-heading h2{font-size:36px;letter-spacing:-1.3px}.knowledge-heading>.text-link{font-size:13px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.knowledge-card{display:flex;flex-direction:column;border:1px solid #dce8f0;border-radius:13px;padding:25px;background:#fff;min-width:0;transition:border-color .2s,box-shadow .2s}.knowledge-card:hover{border-color:#9dcee9;box-shadow:0 14px 35px -25px #205d8a55}.knowledge-card-category{display:flex;align-items:center;gap:7px;color:#0875a9;font-size:10px;font-weight:650;margin-bottom:18px}.knowledge-card-category>.icon{width:17px;height:17px}.knowledge-card h3{font-size:20px;line-height:1.4;letter-spacing:-.5px}.knowledge-card h3>a:hover{color:#0284c7}.knowledge-card>p{font-size:12px;color:#5a7284;line-height:1.9;margin:14px 0 25px}.knowledge-card-link{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;font-weight:650;color:#086d9f;margin-top:auto;padding-top:16px;border-top:1px solid #e5edf3}.knowledge-card-link>.icon{width:17px;height:17px}.home-topic-links{display:flex;gap:25px;justify-content:center;flex-wrap:wrap;margin-top:27px}.home-topic-links>a,.cross-topic>a{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#0875a9;font-weight:650}.home-topic-links .icon,.cross-topic .icon{width:16px;height:16px}.home-knowledge{background:#f8fbfe;border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7;margin-bottom:80px}.breadcrumbs{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:11px;line-height:1.7;color:#54778d;margin-bottom:29px}.breadcrumbs a:hover{text-decoration:underline;text-underline-offset:3px}.breadcrumbs>span:not([aria-current]){color:#9ab1bf}.knowledge-hero,.article-hero{background:linear-gradient(120deg,#f7fcff,#eaf6ff);border-bottom:1px solid #e0edf6;padding:34px 0 55px}.knowledge-hero .eyebrow{margin-top:14px}.knowledge-hero h1{max-width:1000px;font-size:clamp(38px,4.1vw,56px);letter-spacing:-2px;line-height:1.2}.knowledge-hero .container>p:not(.eyebrow){max-width:760px;margin-top:22px;font-size:16px;line-height:1.9;color:#536f83}.knowledge-category-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:28px}.knowledge-category-nav>a{display:flex;align-items:center;gap:7px;padding:9px 14px;font-size:12px;border:1px solid #cee2ef;border-radius:7px;background:#ffffffb3;color:#416a84}.knowledge-category-nav>a[aria-current]{background:#0284c7;border-color:#0284c7;color:#fff}.knowledge-category-nav .icon{width:16px;height:16px}.knowledge-library{padding:50px 0 80px}.category-intro{padding:25px 29px;background:#f4f9fd;border-left:3px solid #70bce8;margin-bottom:35px;border-radius:0 9px 9px 0}.category-intro h2{font-size:23px;letter-spacing:-.5px}.category-intro ul{font-size:14px;line-height:1.9;color:#4c6a80;padding-left:20px;margin:14px 0}.category-intro>.text-link{font-size:12px}.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:25px}.library-toolbar h2{font-size:22px;letter-spacing:-.5px}.library-search{width:min(370px,45%)}.library-search input{display:block;width:100%;font:inherit;font-size:12px;padding:12px 14px;border:1px solid #c9deeb;border-radius:8px;color:#214b67;background:#fff}.library-search input:focus-visible{outline:3px solid #1389c7;outline-offset:3px}.library-result{color:#526f82;font-size:12px;margin:-9px 0 23px}.library-empty{padding:30px;background:#f2f8fd;color:#496c84;border-radius:10px;font-size:14px}.library-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:40px;border-top:1px solid #e1ecf3;padding-top:30px;color:#59758a;font-size:14px}.visually-hidden{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}.article-hero-inner{max-width:1120px}.article-category{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#0574aa;font-weight:650;margin-bottom:19px}.article-category>.icon{width:19px;height:19px}.article-hero h1{max-width:940px;font-size:clamp(34px,4.1vw,54px);line-height:1.2;letter-spacing:-1.8px;font-weight:700}.article-lead{max-width:860px;font-size:17px;line-height:1.9;color:#4c6c82;margin-top:25px}.article-byline{display:flex;flex-wrap:wrap;gap:9px 22px;margin-top:25px;color:#617f93;font-size:11px}.article-byline a{color:#096fa5;font-weight:650}.article-layout{display:grid;grid-template-columns:minmax(0,790px) minmax(220px,280px);gap:70px;padding-top:50px;padding-bottom:55px}.article-main{min-width:0;font-size:16px;line-height:1.95;color:#334f65}.article-main h2{font-size:28px;line-height:1.35;letter-spacing:-.7px;color:#14374f;margin-bottom:19px}.article-main p{margin:0 0 19px}.article-section{margin-top:40px;scroll-margin-top:115px}.article-section ol,.article-section ul{padding-left:24px}.article-section li{margin:10px 0}.takeaway-box{padding:28px 30px;background:#f0f8ff;border:1px solid #d4e8f6;border-radius:12px}.takeaway-box .eyebrow{font-size:9px;margin-bottom:10px}.takeaway-box h2{font-size:21px;letter-spacing:-.4px;margin-bottom:12px}.takeaway-box ul{padding-left:20px;margin:0;color:#41667f;font-size:14px;line-height:1.9}.takeaway-box li+li{margin-top:8px}.article-cover{margin:30px 0 37px}.article-cover>img{width:100%;max-height:350px;object-fit:cover;object-position:center;border-radius:10px;background:#e0f2fe}.article-cover>figcaption{font-size:10px;color:#6a8294;text-align:center;margin-top:9px;line-height:1.7}.article-example{margin-top:38px;background:#10344d;color:#d4e9f5;border-radius:12px;padding:27px 30px;scroll-margin-top:115px}.article-example>.eyebrow{color:#83d4ff;font-size:9px}.article-example>h2{font-size:24px;color:#fff;margin-bottom:15px}.article-example>div{font-size:14px;line-height:1.95;overflow-wrap:anywhere}.article-checklist{list-style:none;padding:0!important}.article-checklist>li{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;background:#f7fafc;border-radius:7px;font-size:14px;margin:8px 0}.article-checklist .icon{width:18px;height:18px;color:#16836f;margin-top:4px}.article-faq details{border-bottom:1px solid #dae7f0;padding:18px 0}.article-faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer;list-style:none;color:#20455e;font-size:15px;font-weight:650;line-height:1.6}.article-faq summary::-webkit-details-marker{display:none}.article-faq summary>.icon{width:18px;height:18px;color:#0284c7}.article-faq details[open] summary>.icon{transform:rotate(45deg)}.article-faq details>p{font-size:14px;margin:13px 0 0;color:#4c6c80}.article-sources{border-top:1px solid #dbe8f1;margin-top:40px;padding-top:27px;scroll-margin-top:115px}.article-sources h2{font-size:21px}.article-sources ul{list-style:none;padding:0;margin:0 0 20px}.article-sources li{margin:8px 0}.article-sources li>a{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#076c9f;text-decoration:underline;text-underline-offset:3px}.article-sources .icon{width:14px;height:14px}.article-sources>p{font-size:11px;color:#688396;line-height:1.9}.article-contact{border:1px solid #d5e8f5;border-radius:10px;background:#edf7ff;padding:21px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px}.article-contact strong{font-size:14px;color:#1c4a68}.article-contact p{font-size:11px;line-height:1.7;margin:5px 0 0;color:#5f7c91}.article-contact>.button{font-size:11px;white-space:nowrap}.article-sidebar{position:sticky;top:110px;align-self:start;max-height:calc(100dvh - 130px);overflow:auto}.article-toc{border:1px solid #dce9f2;border-radius:11px;padding:23px;background:#fff}.article-toc h2{font-size:13px;letter-spacing:0;margin-bottom:17px}.article-toc>a{display:block;border-left:2px solid #dcebf5;padding:5px 0 5px 12px;font-size:11px;line-height:1.7;color:#5c7a8f;margin:8px 0}.article-toc>a:hover{color:#0284c7;border-color:#0284c7}.sidebar-category{display:flex;align-items:center;gap:10px;padding:17px;background:#eaf6ff;border:1px solid #cee6f5;border-radius:9px;margin-top:17px;color:#1e658f}.sidebar-category>.icon{width:18px;height:18px}.sidebar-category>span{font-size:9px;line-height:1.7;flex:1}.sidebar-category strong{font-size:11px}.related-section{padding:55px 0 70px;background:#f5faff;border-top:1px solid #e0edf5;margin-bottom:45px}.related-section .knowledge-heading h2{font-size:30px}.cross-topic{margin-top:25px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;font-size:12px;color:#658296}.article-table-wrap{overflow-x:auto;margin:25px 0;border:1px solid #d5e4ef;border-radius:8px}.article-main table{width:100%;border-collapse:collapse;min-width:430px;font-size:13px;text-align:left}.article-main th{background:#eaf5fd;color:#24536f;font-weight:650}.article-main th,.article-main td{padding:13px 15px;border-bottom:1px solid #e1ebf2;vertical-align:top}.html-sitemap{padding-top:45px;padding-bottom:65px;max-width:1000px}.html-sitemap section{margin-bottom:38px}.html-sitemap h2{font-size:26px;letter-spacing:-.7px}.html-sitemap ul{padding-left:21px;columns:2;column-gap:50px;margin-top:20px}.html-sitemap li{break-inside:avoid;margin-bottom:15px;font-size:13px;line-height:1.8;color:#436c86}.html-sitemap a:hover{text-decoration:underline}.footer-knowledge-links{margin-top:8px!important}.footer-bottom .footer-map{margin-left:auto;margin-right:20px}
@media(max-width:1100px){.article-layout{gap:35px;grid-template-columns:minmax(0,1fr) 240px}.article-toc{padding:19px}.knowledge-card{padding:21px}.knowledge-card h3{font-size:18px}.article-contact{flex-direction:column;align-items:flex-start}.knowledge-heading h2{font-size:33px}}
@media(max-width:900px){.article-layout{grid-template-columns:minmax(0,1fr);gap:30px}.article-sidebar{position:static;max-height:none;grid-row:1}.article-toc{display:grid;grid-template-columns:1fr 1fr;gap:3px 20px}.article-toc h2{grid-column:1/-1;margin-bottom:8px}.article-toc>a{margin:3px 0}.sidebar-category{display:none}.article-main{max-width:790px}.knowledge-grid{gap:16px}.knowledge-card h3{font-size:17px}.knowledge-card{padding:19px}.knowledge-card>p{font-size:11px}.article-hero-inner{width:calc(100% - 56px)}}
@media(max-width:760px){.knowledge-heading{display:block;margin-bottom:26px}.knowledge-heading>.text-link{margin-top:19px;font-size:12px}.knowledge-heading h2{font-size:32px}.knowledge-grid{grid-template-columns:1fr;gap:17px}.knowledge-card{padding:24px}.knowledge-card h3{font-size:21px}.knowledge-card>p{font-size:13px;margin-bottom:23px}.knowledge-card-category{font-size:10px;margin-bottom:16px}.knowledge-card-link{font-size:12px}.home-knowledge{margin-bottom:55px}.home-topic-links{flex-direction:column;align-items:center;gap:15px}.article-hero,.knowledge-hero{padding:24px 0 35px}.breadcrumbs{font-size:10px;gap:7px;margin-bottom:24px}.knowledge-hero h1{font-size:36px;letter-spacing:-1.4px}.knowledge-hero .container>p:not(.eyebrow){font-size:14px;line-height:1.9;margin-top:20px}.knowledge-category-nav{gap:7px;margin-top:22px}.knowledge-category-nav>a{font-size:10px;padding:8px 10px}.knowledge-category-nav .icon{width:14px;height:14px}.knowledge-library{padding:32px 0 55px}.category-intro{padding:22px;margin-bottom:29px}.category-intro h2{font-size:21px}.category-intro ul{font-size:13px}.library-toolbar{flex-direction:column;align-items:stretch;gap:18px}.library-toolbar h2{font-size:21px}.library-search{width:100%}.library-search input{font-size:16px;padding:12px}.library-bottom{flex-direction:column;align-items:flex-start;gap:18px;font-size:13px}.article-hero-inner{width:calc(100% - 40px)}.article-hero h1{font-size:34px;letter-spacing:-1.1px;line-height:1.25}.article-category{font-size:11px;margin-bottom:15px}.article-lead{font-size:15px;line-height:1.85;margin-top:20px}.article-byline{gap:7px 15px;font-size:10px;margin-top:22px}.article-layout{padding-top:30px;padding-bottom:40px;gap:25px}.article-main{font-size:15px;line-height:1.95}.article-main h2{font-size:25px;letter-spacing:-.6px}.article-toc{padding:18px 16px;gap:2px 13px}.article-toc h2{font-size:13px}.article-toc>a{font-size:10px;padding-left:9px;line-height:1.7}.takeaway-box{padding:22px}.takeaway-box h2{font-size:20px}.takeaway-box ul{font-size:13px}.article-cover{margin:25px 0 30px}.article-cover>figcaption{font-size:9px}.article-section{margin-top:32px;scroll-margin-top:90px}.article-example{padding:24px 21px;scroll-margin-top:90px}.article-example>h2{font-size:22px}.article-example>div{font-size:13px}.article-checklist>li{font-size:13px;padding:11px}.article-faq summary{font-size:14px}.article-faq details>p{font-size:13px}.article-sources h2{font-size:21px}.article-sources li>a{font-size:11px}.article-sources>p{font-size:10px}.article-contact{padding:20px}.article-contact strong{font-size:14px}.article-contact p{font-size:12px}.related-section{padding:40px 0 50px;margin-bottom:30px}.related-section .knowledge-heading h2{font-size:28px}.cross-topic{font-size:11px;justify-content:flex-start}.cross-topic>a{font-size:11px}.html-sitemap{padding-top:32px;padding-bottom:45px}.html-sitemap ul{columns:1}.html-sitemap h2{font-size:24px}.html-sitemap li{font-size:13px}.footer-bottom .footer-map{margin:0}}
@media(prefers-reduced-motion:reduce){.knowledge-card{transition:none}}
@media print{.article-sidebar,.related-section,.article-contact,.knowledge-category-nav,.library-search{display:none}.article-layout{display:block;padding:20px 0}.article-hero{background:#fff;padding:20px 0}.article-hero h1{font-size:28pt}.article-main{font-size:11pt}.article-main h2{font-size:18pt}.article-cover{max-width:350px}.article-example{background:#fff;color:#1c3a50;border:1px solid #abc;padding:15px}.article-example h2{color:#1c3a50}.knowledge-grid{grid-template-columns:1fr 1fr}.article-section{break-inside:avoid}.html-sitemap ul{columns:1}}