:root{--blog-muted:#526b80;--blog-action:#176ed0;--blog-surface:#f4faff;--blog-border:#cce3f9}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.blog-page{background:#fff;color:var(--ink);font-family:Roboto,Arial,sans-serif}
.blog-container{width:min(1240px,calc(100% - 80px));margin-inline:auto}
.blog-page .primary-button .button-surface,.blog-page .nav-cta .button-surface{background:var(--blog-action)}
.blog-page .primary-button:hover .button-surface,.blog-page .nav-cta:hover .button-surface{background:#125eaf}
.blog-intro{padding:176px 0 42px;background:linear-gradient(180deg,#eaf4fe 0%,#f8fcff 72%,#fff 100%)}
.blog-kicker{font-size:13px;line-height:1.5;font-weight:450;letter-spacing:.13em;text-transform:uppercase;color:#176ed0;margin:0 0 20px}
.blog-title{font-size:clamp(55px,6vw,84px);font-weight:400;line-height:1.065;letter-spacing:-.052em;margin:0;max-width:1100px;text-wrap:balance}
.blog-title em{font-style:normal;color:#176ed0}
.blog-intro-copy{font-size:18px;line-height:1.75;font-weight:350;max-width:640px;color:var(--blog-muted);margin:26px 0 0}
.directory-section{padding:0 0 96px}
.blog-topics{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 30px;padding:5px 0}
.blog-topic{display:inline-flex;align-items:center;gap:9px;padding:12px 16px;border:1px solid #cce3f9;border-radius:12px;background:#f8fcff;color:#36566e;font-size:14px;line-height:1.4;min-height:46px}
.blog-topic:hover{border-color:#8ebded;background:#eaf4fe}.blog-topic[aria-current=page]{color:#fff;background:#176ed0;border-color:#176ed0}
.topic-count{font-size:11px;opacity:.85;font-variant-numeric:tabular-nums}
.directory-toolbar{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 0 28px}
.blog-count{font-size:14px;color:var(--blog-muted);line-height:1.5}
.blog-search{display:flex;gap:10px;align-items:center;width:min(100%,370px);padding:12px 16px;border:1px solid #a9c8e5;border-radius:13px;background:#f8fcff}
.blog-search svg{width:20px;height:20px;flex-shrink:0;color:#526b80}
.blog-search input{appearance:none;border:0;background:none;outline:none;min-width:0;width:100%;font:400 16px/1.5 Roboto,Arial,sans-serif;color:#2b465c}
.blog-search:focus-within{outline:3px solid #176ed0;outline-offset:3px}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.blog-card{display:flex;flex-direction:column;min-width:0;border:1px solid #cce3f9;border-radius:24px;overflow:hidden;background:linear-gradient(150deg,#fff,#f4faff)}
.blog-card-media{display:block;overflow:hidden;aspect-ratio:16/9;background:#eaf4fe;border-bottom:1px solid #e0edf9}
.blog-card-media img{display:block;width:100%;height:100%;object-fit:cover}
.blog-card-body{display:flex;flex-direction:column;flex:1;padding:25px 25px 24px}
.blog-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;color:var(--blog-muted);font-size:12px;line-height:1.5;margin-bottom:17px}
.blog-card-meta a{color:#176ed0}.blog-card-meta a:hover{text-decoration:underline}
.blog-card h2,.blog-card h3{font-size:24px;line-height:1.25;letter-spacing:-.025em;font-weight:400;margin:0;color:#2b465c}
.blog-card h2 a:hover,.blog-card h3 a:hover{color:#176ed0}
.blog-card-excerpt{font-size:15px;font-weight:350;line-height:1.75;color:var(--blog-muted);margin:16px 0 23px}
.blog-card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:5px}
.blog-text-link{display:inline-flex;align-items:center;gap:8px;color:#176ed0;font-size:14px;line-height:1.4;min-height:32px}
.blog-text-link svg{height:17px;width:17px}.blog-text-link:hover{text-decoration:underline;text-underline-offset:4px}
.blog-card time{font-size:12px;color:var(--blog-muted)}
.blog-empty{margin-top:30px;padding:40px;border:1px solid #cce3f9;border-radius:24px;background:#f4faff;text-align:center}
.blog-empty h2{font-size:27px;font-weight:400;margin:0 0 12px}.blog-empty p{font-size:16px;line-height:1.7;color:var(--blog-muted)}
.blog-reset{margin-top:20px;min-height:44px;padding:12px 20px;border:1px solid #a5c7e7;border-radius:12px;background:#fff;color:#176ed0;font:400 15px Roboto,sans-serif}
.blog-cta{padding:40px 0 80px;background:linear-gradient(180deg,#fff,#f4faff,#fff)}
.blog-cta-panel{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:48px;border:1px solid #cce3f9;border-radius:30px;background:linear-gradient(125deg,#eaf4fe,#f8fcff)}
.blog-cta h2{font-size:clamp(34px,3.5vw,48px);line-height:1.12;letter-spacing:-.04em;font-weight:400;margin:0;max-width:660px}
.blog-cta p{max-width:590px;font-size:17px;font-weight:350;line-height:1.75;color:var(--blog-muted);margin:20px 0 0}
.blog-cta .primary-button{flex-shrink:0}
.blog-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;line-height:1.7;color:var(--blog-muted);margin:0 0 28px;padding:0;list-style:none}
.blog-breadcrumb a{color:#176ed0}.blog-breadcrumb a:hover{text-decoration:underline}
.breadcrumb-current{min-width:0;max-width:min(64vw,690px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:158px 0 0;background:linear-gradient(180deg,#eaf4fe,#fff)}
.article-head-inner{max-width:1060px;margin-inline:auto}
.article-category{display:inline-flex;padding:8px 12px;min-height:34px;background:#eaf4fe;border:1px solid #cce3f9;border-radius:9px;font-size:12px;color:#176ed0;line-height:1.4;margin-bottom:24px}
.article-title{font-size:clamp(46px,4.8vw,66px);font-weight:400;line-height:1.11;letter-spacing:-.045em;margin:0;text-wrap:balance}
.article-deck{font-size:19px;font-weight:350;line-height:1.75;max-width:810px;color:var(--blog-muted);margin:26px 0 0}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;margin:31px 0 0;font-size:13px;line-height:1.7;color:var(--blog-muted)}
.article-cover{margin:38px auto 0;max-width:1120px;padding:6px;border:1px solid #fff;border-radius:19px;background:#e4f4ff}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px}
.article-cover-caption{font-size:12px;line-height:1.7;color:var(--blog-muted);text-align:center;margin:12px 10px 0;padding-bottom:3px}
.reading-layout{display:grid;grid-template-columns:minmax(0,760px) 258px;gap:68px;justify-content:center;align-items:start;margin-top:56px}
.article-content{grid-column:1;grid-row:1;min-width:0}
.article-body{font-size:18px;line-height:1.85;font-weight:350;color:#2b465c;overflow-wrap:break-word}
.article-body p{margin:0 0 25px}.article-body strong,.article-body b{font-weight:500}
.article-body h2{font-weight:400;font-size:34px;line-height:1.22;letter-spacing:-.035em;margin:48px 0 22px;scroll-margin-top:132px;text-wrap:balance}
.article-body h2:first-child{margin-top:0}.article-body h3{font-size:25px;line-height:1.3;letter-spacing:-.02em;font-weight:450;margin:32px 0 17px;scroll-margin-top:132px}
.article-body h4{font-size:21px;line-height:1.4;font-weight:450;margin:27px 0 16px;scroll-margin-top:132px}
.article-body ul,.article-body ol{margin:0 0 27px;padding-left:25px}.article-body li{margin:10px 0;padding-left:4px}.article-body li::marker{color:#176ed0}
.article-body a{color:#176ed0;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body blockquote{margin:30px 0;padding:25px 28px;border-left:3px solid #2f86ea;border-radius:0 16px 16px 0;background:#f4faff}.article-body blockquote p:last-child{margin-bottom:0}
.article-body hr{border:0;border-top:1px solid #cce3f9;margin:40px 0}
.article-table{max-width:100%;overflow:auto;margin:28px 0;border:1px solid #cce3f9;border-radius:16px}
.article-body table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.6}.article-body th,.article-body td{padding:16px;vertical-align:top;border-bottom:1px solid #dceaf7;min-width:130px}.article-body th{font-weight:500;text-align:left;background:#eaf4fe}.article-body tr:last-child td{border-bottom:0}
.article-body pre{overflow:auto;padding:20px;background:#f4faff;border:1px solid #cce3f9;border-radius:12px;font-size:14px}.article-body code{font-size:.9em}
.article-toc{grid-column:2;grid-row:1;position:sticky;top:132px;padding:24px;border:1px solid #cce3f9;border-radius:22px;background:#f8fcff}
.article-toc h2{font-weight:450;font-size:16px;margin:0 0 18px;line-height:1.4}.article-toc ol{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.article-toc a{display:block;font-size:13px;line-height:1.6;color:var(--blog-muted)}.article-toc a:hover{color:#176ed0;text-decoration:underline}
.article-toc .toc-back{display:block;margin-top:24px;padding-top:18px;border-top:1px solid #cce3f9;color:#176ed0;font-size:13px}
.article-video{position:relative;margin:32px 0;aspect-ratio:16/9;border-radius:17px;background:#eaf4fe;border:1px solid #cce3f9;overflow:hidden}
.video-launch{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:18px;width:100%;height:100%;padding:24px;background:linear-gradient(135deg,#dbeeff,#f8fcff);color:#176ed0!important;text-align:center;text-decoration:none!important}
.video-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#176ed0;color:white}.video-icon svg{width:26px;height:26px}
.video-launch strong{font-weight:450;font-size:19px}.video-launch small{font-size:13px;line-height:1.5;color:#526b80}
.article-video iframe{display:block;width:100%;height:100%;border:0}
.editorial-note{padding:20px 23px;border:1px solid #cce3f9;border-radius:17px;background:#f4faff;font-size:14px;line-height:1.8;color:#526b80;margin:0 0 32px}
.editorial-note strong{color:#2b465c;font-weight:500}.editorial-note a{color:#176ed0;text-decoration:underline}
.article-end{margin:42px 0 0;padding:28px 0;border-block:1px solid #cce3f9;display:flex;align-items:center;justify-content:space-between;gap:20px}
.article-end p{font-size:14px;line-height:1.7;color:var(--blog-muted)}.copy-link{min-height:44px;border:1px solid #abcbe8;border-radius:12px;padding:11px 16px;font:400 14px Roboto,Arial,sans-serif;background:#f8fcff;color:#176ed0}
.related-section{padding:78px 0 50px}.related-header{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
.related-header h2{font-size:43px;line-height:1.15;letter-spacing:-.04em;font-weight:400;margin:0}
.blog-footer-links{display:flex;gap:18px;flex-wrap:wrap}.blog-footer-links a{color:#176ed0!important;font-size:13px!important}
.map-section{padding:10px 0 90px}.map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.map-panel{padding:30px;border:1px solid #cce3f9;border-radius:24px;background:#f8fcff}.map-panel h2{font-weight:400;font-size:27px;line-height:1.25;letter-spacing:-.03em;margin:0 0 22px}.map-panel ul{margin:0;padding-left:20px}.map-panel li{margin:14px 0;font-size:16px;line-height:1.65}.map-panel a{color:#176ed0;text-decoration:underline;text-underline-offset:3px}
.blog-reading-progress{position:fixed;z-index:100;top:0;left:0;height:3px;width:0;background:#176ed0;pointer-events:none}
@media(min-width:1600px){.blog-intro{padding-top:188px}.blog-title{font-size:90px}}
@media(max-width:1100px){.blog-container{width:calc(100% - 56px)}.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.reading-layout{grid-template-columns:minmax(0,1fr) 235px;gap:35px}.blog-cta-panel{padding:38px;gap:28px}.blog-cta h2{font-size:39px}.article-title{font-size:54px}}
@media(max-width:800px){.blog-container{width:calc(100% - 48px)}.blog-intro{padding:144px 0 34px}.blog-title{font-size:62px}.blog-intro-copy{font-size:17px}.blog-topics{flex-wrap:nowrap;overflow:auto;padding-bottom:13px;scrollbar-width:thin;max-width:100%;overscroll-behavior-x:contain}.blog-topic{flex-shrink:0}.directory-section{padding-bottom:60px}.blog-cta-panel{flex-direction:column;align-items:start;padding:34px}.blog-cta{padding:25px 0 54px}.article-head{padding-top:130px}.article-title{font-size:47px}.article-deck{font-size:18px}.reading-layout{grid-template-columns:1fr;gap:30px;margin-top:37px}.article-toc{position:static;grid-column:1;grid-row:1;padding:23px}.article-toc ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px}.article-content{grid-column:1;grid-row:2}.article-body{font-size:17px;line-height:1.85}.related-section{padding-top:55px}.related-header h2{font-size:36px}.article-cover{margin-top:30px}.article-body h2{font-size:31px}.map-grid{grid-template-columns:1fr}}
@media(max-width:520px){.blog-container{width:calc(100% - 36px)}.blog-intro{padding:132px 0 28px}.blog-kicker{font-size:12px;margin-bottom:17px}.blog-title{font-size:46px;line-height:1.1;letter-spacing:-.045em}.blog-intro-copy{font-size:16px;margin-top:22px}.blog-topics{gap:7px;margin-bottom:20px}.blog-topic{font-size:14px;padding:11px 13px;min-height:44px}.directory-toolbar{flex-direction:column-reverse;align-items:start;gap:17px;margin-bottom:23px}.blog-search{width:100%;max-width:none}.blog-grid{grid-template-columns:1fr;gap:20px}.blog-card{border-radius:22px}.blog-card-body{padding:24px}.blog-card h2,.blog-card h3{font-size:25px}.blog-card-excerpt{font-size:16px}.blog-card-bottom{gap:12px}.blog-card time{font-size:12px}.blog-cta-panel{padding:29px 24px;border-radius:24px;gap:27px}.blog-cta h2{font-size:35px}.blog-cta p{font-size:16px;margin-top:19px}.blog-cta .button-surface{padding-inline:20px;font-size:15px}.blog-breadcrumb{font-size:12px;gap:6px;margin-bottom:23px}.article-head{padding-top:121px}.article-title{font-size:37px;line-height:1.13;letter-spacing:-.04em}.article-category{margin-bottom:20px}.article-deck{font-size:17px;margin-top:22px}.article-meta{font-size:12px;gap:10px 17px;margin-top:24px}.article-cover{padding:5px;border-radius:17px;margin-top:28px}.article-cover img{border-radius:11px}.article-cover-caption{font-size:11px;margin-inline:6px}.article-toc{border-radius:19px;padding:22px}.article-toc ol{grid-template-columns:1fr;gap:12px}.article-body h2{font-size:29px;margin-top:36px}.article-body h3{font-size:23px}.article-body p{margin-bottom:23px}.article-body blockquote{padding:21px 22px}.article-end{flex-direction:column;align-items:start;padding:24px 0}.related-header{flex-direction:column;align-items:start;gap:17px}.related-header h2{font-size:33px}.editorial-note{padding:18px;font-size:13px}.video-launch strong{font-size:17px}.video-icon{width:48px;height:48px}.video-launch{gap:12px;padding:15px}.map-panel{padding:25px;border-radius:22px}.map-panel h2{font-size:25px}.blog-empty{padding:30px 23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Standard functional back arrow: 24-unit SVG, 2px rounded stroke. */
.article-toc .toc-back{display:flex;align-items:center;gap:10px}
.article-toc .toc-back svg{display:block;flex:0 0 20px;width:20px;height:20px;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.article-toc .toc-back span{min-width:0;line-height:1.5}