:root{--ink:#15233a;--ink-soft:#455570;--paper:#f9faf8;--paper2:#f1f4f4;--white:#fff;--line:#dce2e5;--accent:#e8ac63;--mint:#a3dfc9;--navy:#101b30;--navy2:#16243d;--red:#d4645e;--shadow:0 18px 55px rgba(18,35,61,.07);--radius:16px;color-scheme:light}
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.site-footer{background:#111e32;color:#bbc8d0;padding:73px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:70px}.footer-top>div:first-child{max-width:310px}.footer-brand{color:#fff}.footer-brand .mark{background:#324a60}.footer-top p{color:#a4b5c0;font-size:13px;line-height:1.8;margin:18px 0}.tiny-pill{display:inline-block;border:1px solid #354961;border-radius:20px;padding:6px 12px;font-size:10px;letter-spacing:.06em;color:#a2cabb}.footer-links{display:flex;gap:88px}.footer-links>div{display:flex;flex-direction:column;gap:10px}.footer-links h3{color:#fff;font-size:12px;letter-spacing:.045em;margin-bottom:5px}.footer-links a{font-size:12px;color:#a8b7c1}.footer-bottom{border-top:1px solid #324155;padding-top:23px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:#859aa8;font-size:11px}.footer-bottom a{white-space:nowrap;color:#b1d6c2}
.search-dialog{border:1px solid #dfe6e5;border-radius:16px;box-shadow:0 23px 90px #0004;width:min(500px,calc(100% - 28px));padding:30px;color:#16283f;background:#fff}.search-dialog::backdrop{background:#071426aa}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dialog-top h2{font-size:25px;margin:0}.search-dialog-form>input{width:100%;border:1px solid #d9e4df;padding:15px;border-radius:9px;margin-bottom:15px}.search-dialog-form>.btn{width:100%}
html.dark{--ink:#e9f0f2;--ink-soft:#a4b2c3;--paper:#141f2e;--paper2:#192738;--white:#223148;--line:#3b4b59;--navy:#e9f0f2;--navy2:#18293c;--shadow:0 18px 55px rgba(0,0,0,.12);color-scheme:dark}html.dark .site-header,html.dark .hero,html.dark .editorial-section,html.dark .faq-home{background:#141f2e}html.dark .wordmark{color:#e8f1ed}html.dark .desktop-nav a{color:#b7c6cf}html.dark .icon-button{color:#b7c6cf}html.dark .icon-button:hover{background:#25364d}html.dark .hero-intro,html.dark .section-heading>p,html.dark .release-card p,html.dark .article-deck,html.dark .page-intro p{color:#acb9c9}html.dark .release-section,html.dark .page-intro,html.dark .article-heading,html.dark .checker-full-section,html.dark .checker-reading,html.dark .method-section,html.dark .related-section{background:#1a293a;border-color:#304457}html.dark .release-card,html.dark .reading-grid>a,html.dark .rail-card,html.dark .search-result{background:#223148;border-color:#33485a}html.dark .release-bottom,html.dark .editorial-item,html.dark .faq-list details,html.dark .explain-step{border-color:#385069}html.dark .editorial-item h3,html.dark .faq-list summary,html.dark .article-body h2,html.dark .article-body h3,html.dark .article-body strong,html.dark .rail-card nav a,html.dark .checker-explain h3,html.dark .reading-grid h3{color:#eaf1f1}html.dark .article-body,html.dark .article-body p,html.dark .faq-list details p,html.dark .reading-grid p{color:#a9b9c6}html.dark .method-copy p,html.dark .checker-explain p{color:#b2c0c9}html.dark .rail-reference,html.dark .aside-note,html.dark .source-box,html.dark .contact-action{background:#243a49;border-color:#3b5465;color:#d5ebe2}html.dark .article-body .note{background:#24413e;color:#d0e7de}html.dark .article-body table td{border-color:#3a5261}html.dark .article-body table th{background:#29453e;color:#cee9da}html.dark .table-scroll{border-color:#3a5364}html.dark .floating-caption{background:#25374c}html.dark .checker-card{background:#fff;color:#152640}html.dark .checker-card h2,html.dark .checker-card h3{color:#162640}html.dark .hero-widget .phone-number,html.dark .hero-widget .phone-status{color:#1d3147}html.dark .hero-widget .phone-mini{color:#8d9ba1}html.dark .btn-primary{background:#6baf99;color:#0a2430}html.dark .btn-primary:hover{background:#84ccb1}html.dark .btn-text{color:#dfebee}html.dark .release-card .pill-ink{background:#9dc6ad;color:#173323}html.dark .btn-outline{color:#f2f7f5}html.dark .phone-note{color:#87949d}html.dark .section-bottom-link>span{color:#9eaeb8}html.dark .site-search-form input{background:#27394b;color:#eff8f7;border-color:#41586b}html.dark .share-copy{color:#c5dfd5;border-color:#4c625f}html.dark .site-footer{background:#0c1728}
@media(max-width:1030px){.desktop-nav{gap:18px;margin-right:15px}.checker-grid{gap:40px}.article-grid{gap:40px;grid-template-columns:minmax(0,1fr) 235px}.footer-links{gap:45px}.hero h1{font-size:57px}.editorial-item{grid-template-columns:74px 1fr 15px;gap:14px}.item-index{font-size:9px}.hero-widget{width:350px}}
@media(max-width:800px){.shell{width:min(100% - 36px,660px)}.release-strip{font-size:10px;gap:9px;flex-wrap:wrap}.release-strip a{font-size:10px}.site-header{height:69px}.desktop-nav{display:none}.menu-button{display:grid}.mobile-nav{display:grid;position:absolute;top:69px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:17px 24px;gap:10px;box-shadow:0 20px 35px #0001}.mobile-nav[hidden]{display:none}.mobile-nav a{font-weight:800;font-size:14px;padding:9px 5px}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;padding:63px 0 45px;gap:7px}.hero-copy{max-width:620px}.hero h1{font-size:clamp(44px,8vw,65px)}.hero-visual{height:440px}.hero-widget{width:335px}.floating-caption{right:6%}.section-pad{padding:74px 0}.section-heading{display:block}.section-heading>p{margin-top:13px}.release-cards{grid-template-columns:1fr}.release-card{min-height:205px}.release-card p{max-width:550px}.release-version{margin-top:13px}.checker-grid,.editorial-grid,.method-grid,.faq-home-grid,.checker-full-grid{grid-template-columns:1fr;gap:39px}.checker-story>p{max-width:600px}.checker-card{max-width:620px;width:100%;margin-inline:auto}.editorial-feature{min-height:430px}.editorial-stack{grid-template-rows:repeat(4,auto)}.editorial-item{min-height:115px}.method-copy{border-left:0;border-top:1px solid #cad9d2;padding:24px 0 0}.faq-home-grid{gap:25px}.reading-grid{grid-template-columns:1fr}.reading-grid>a{min-height:180px}.article-grid{grid-template-columns:1fr}.article-sidebar{display:none}.article-wrapper{padding:58px 0 82px}.article-body h2{font-size:27px;margin-top:44px}.article-heading,.page-intro{padding:43px 0 55px}.article-heading h1{font-size:clamp(36px,6.8vw,54px)}.footer-top{display:block}.footer-links{margin-top:50px;justify-content:space-between;gap:15px}.footer-bottom{align-items:start}.section-bottom-link{align-items:start;gap:20px}.checker-full-section{padding:45px 0 65px}}
@media(max-width:560px){body{font-size:14px}.shell{width:calc(100% - 32px)}.release-strip{justify-content:flex-start;padding:7px 16px}.release-strip a{display:none}.wordmark{font-size:23px}.hero h1{font-size:43px}.hero-intro{font-size:15px}.hero-actions{gap:7px}.hero-actions .btn{font-size:12px;padding:12px 13px;gap:11px}.hero-micro{font-size:10px;line-height:2}.hero-visual{height:375px}.hero-widget{max-width:88%;width:313px}.widget-phone{padding:22px 40px}.phone-inner{min-height:275px}.phone-number{font-size:53px}.floating-caption{right:1%;bottom:10px;font-size:8px}.orb-a{width:340px;height:340px}.orb-b{width:225px;height:225px}.section-pad{padding:60px 0}.section-heading h2,.method-grid h2,.faq-home-grid h2{font-size:32px}.checker-section{padding:66px 0}.checker-story h2{font-size:36px}.checker-card{padding:24px}.checker-card-heading h3,.checker-card-heading h2{font-size:21px}.editorial-feature{padding:27px;min-height:410px}.editorial-feature h3{font-size:23px}.feature-illustration>span:first-child{font-size:118px}.small-star{left:145px}.editorial-item{grid-template-columns:57px 1fr 13px;gap:11px}.editorial-item h3{font-size:16px}.item-index{font-size:8px}.section-bottom-link>span{display:none}.article-heading h1{font-size:37px}.article-deck{font-size:15px}.byline{gap:10px}.byline strong,.byline small{font-size:10px}.byline-line{display:none}.share-copy{margin-left:0}.inline-cta{display:block;padding:24px}.inline-cta .btn{margin-top:20px}.article-body{font-size:14.5px}.article-body h2{font-size:25px}.article-body .faq-list summary{font-size:13px}.site-search-form{display:grid}.footer-top{padding-bottom:45px}.footer-links{flex-wrap:wrap;justify-content:flex-start;gap:40px 55px}.footer-bottom{display:block}.footer-bottom a{display:block;margin-top:12px}.contact-mail{font-size:18px!important;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}