.ba-page{background:radial-gradient(ellipse at 85% 30%,#f1f7ff,transparent 65%),#fafcfe;color:#10182c}.ba-page section{border:0}.ba-page .ba-hero{padding:112px 0 38px;background:linear-gradient(115deg,#f8fafc,#eff5ff)}.ba-hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:65px;align-items:center}.ba-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:12px;color:#7c899e;margin-bottom:25px;line-height:1.5}.ba-breadcrumb a{color:#0861ff}.ba-breadcrumb>span:last-child{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ba-meta{display:flex;flex-wrap:wrap;gap:20px;color:#74829b;font-size:12px;margin:0 0 20px}.ba-meta i{margin-right:5px}.ba-intro h1{font-size:clamp(29px,3.1vw,43px);line-height:1.15;letter-spacing:-1.2px;margin:0 0 20px;color:#0b1533;font-weight:750}.ba-intro h1::first-line{color:#0b1533}.ba-intro>p{color:#687b99;font-size:17px;line-height:1.65;margin:0}.ba-cover{position:relative;min-width:0;margin:16px 10px 12px 0}.ba-cover>img{display:block;width:100%;height:auto;aspect-ratio:1.65;object-fit:cover;object-position:top;border-radius:15px;box-shadow:0 12px 28px #29496a26}.ba-cover-icon{position:absolute;z-index:1;left:-30px;top:7px;width:64px;height:64px;background:linear-gradient(135deg,#199bff,#0755ff);color:#fff;display:grid;place-items:center;font-size:28px;border-radius:19px;box-shadow:0 9px 24px #0765ff40}.ba-cover-note{position:absolute;right:-8px;bottom:-8px;background:#fffffff5;border:1px solid #eff4fa;box-shadow:0 10px 23px #29496a21;transform:rotate(-5deg);border-radius:12px;padding:20px 43px 20px 20px;font-size:13px;font-weight:650;line-height:1.55}.ba-cover-note>span{position:absolute;right:16px;top:16px;width:14px;height:14px;background:#2189ff;border:3px solid #e0eeff;border-radius:50%}.ba-page .ba-content{padding:30px 0}.ba-layout{display:grid;grid-template-columns:minmax(0,2.8fr) minmax(250px,1fr);gap:36px;align-items:start}.ba-body{min-width:0;color:#66758f;line-height:1.8;font-size:15px;counter-reset:article-section}.ba-body>p{margin:0 0 20px}.ba-body h2{counter-increment:article-section;position:relative;color:#10182c;font-size:24px;font-weight:700;line-height:1.3;letter-spacing:-.5px;margin:35px 0 14px;padding-left:60px;scroll-margin-top:100px;overflow-wrap:anywhere;min-height:36px}.ba-body h2:first-child{margin-top:5px}.ba-body h2::before{content:counter(article-section);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#11b6f8,#0755ff);color:#fff;display:grid;place-items:center;font-size:20px;box-shadow:0 4px 12px #1d83fc18}.ba-body h3{font-size:18px;color:#10182c;line-height:1.4;margin:24px 0 10px;letter-spacing:-.3px}.ba-body strong{color:#364259;font-weight:650}.ba-body ul,.ba-body ol{padding:0;list-style:none;display:grid;gap:10px;margin:18px 0 28px;counter-reset:list-item}.ba-body li{background:#fff;border:1px solid #edf1f7;box-shadow:0 4px 18px #42618c06;border-radius:10px;padding:17px 20px 17px 48px;position:relative;counter-increment:list-item}.ba-body ul>li::before{content:'✓';position:absolute;left:16px;top:17px;background:#eaf3ff;color:#0861ff;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:700}.ba-body ol>li::before{content:counter(list-item);position:absolute;left:16px;top:17px;color:#0861ff;font-weight:700}.ba-body li p{margin:0}.ba-body li ul,.ba-body li ol{margin-bottom:0}.ba-body blockquote{background:linear-gradient(110deg,#edf5ff,#e7efff);border:0;border-left:3px solid #199bff;padding:18px 22px;margin:22px 0;border-radius:9px;color:#53698d}.ba-body blockquote p:last-child{margin:0}.ba-body a{color:#0861ff;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.ba-body .ba-back{display:inline-flex;align-items:center;gap:12px;text-decoration:none;margin-top:25px;font-weight:600}.ba-sidebar{display:grid;gap:22px}.ba-panel{background:#fff;border:1px solid #edf1f7;border-radius:12px;padding:22px;box-shadow:0 6px 24px #42618c04;min-width:0}.ba-panel h2{font-size:18px;line-height:1.3;letter-spacing:-.4px;margin:0 0 20px;color:#10182c}.ba-toc ol{counter-reset:toc;list-style:none;padding:0;margin:0;display:grid;gap:16px}.ba-toc li{counter-increment:toc;display:flex;gap:12px;align-items:baseline;color:#63718b;font-size:12px;line-height:1.5}.ba-toc li::before{content:counter(toc);display:grid;place-items:center;flex-shrink:0;min-width:23px;height:23px;border-radius:50%;background:#edf4ff;color:#0755ff;font-weight:700}.ba-toc a{color:#63718b}.ba-toc a:hover{color:#0755ff}.ba-related{display:grid;gap:20px}.ba-related>a{display:flex;align-items:start;gap:12px;color:#111b32;font-size:13px;font-weight:650;line-height:1.4}.ba-related img{width:65px;height:70px;object-fit:cover;object-position:top;border-radius:8px;flex-shrink:0}.ba-related time{display:block;color:#7b8aa2;font-weight:400;font-size:10px;margin-top:7px}.ba-panel.ba-help{background:linear-gradient(125deg,#ebf5ff,#e5eeff);text-align:center;padding:25px 22px;border-color:transparent}.ba-help-icon,.ba-cta-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#d7edff;color:#0874ff;font-size:27px;flex-shrink:0}.ba-help-icon{margin:0 auto 20px}.ba-help p{font-size:13px;line-height:1.6;color:#6b7c98;margin:0 0 20px}.ba-help>a,.ba-cta>a{display:flex;align-items:center;justify-content:center;gap:12px;color:white;background:linear-gradient(115deg,#174aff,#087bff);border-radius:7px;padding:13px 22px;font-size:13px;font-weight:600;white-space:nowrap}.ba-cta{display:flex;align-items:center;gap:22px;border-radius:12px;background:linear-gradient(115deg,#e7f3ff,#edf2ff);padding:24px;margin-top:35px}.ba-cta>div{flex:1}.ba-cta h2{font-size:18px;line-height:1.35;letter-spacing:-.4px;margin:0 0 5px;color:#10182c}.ba-cta p{font-size:13px;line-height:1.5;margin:0;color:#6b7c98}.ba-page a:focus-visible{outline:2px solid #0861ff;outline-offset:4px}@media(max-width:1000px){.ba-hero-grid{gap:35px;grid-template-columns:1.3fr 1fr}.ba-layout{gap:24px;grid-template-columns:minmax(0,2fr) minmax(235px,1fr)}.ba-cover-icon{left:-18px;width:50px;height:50px;font-size:23px}.ba-body h2{font-size:21px;padding-left:48px}}@media(max-width:760px){.ba-hero-grid,.ba-layout{grid-template-columns:1fr}.ba-cover{max-width:550px;margin:5px 12px 12px 18px}.ba-hero-grid{gap:28px}.ba-page .ba-hero{padding-top:105px}.ba-sidebar{grid-template-columns:1fr 1fr}.ba-toc{grid-column:1/-1}.ba-layout{gap:32px}.ba-cta{flex-wrap:wrap}.ba-cta>a{margin-left:74px}.ba-intro h1{font-size:34px}.ba-body{font-size:15px}}@media(max-width:500px){.ba-sidebar{grid-template-columns:1fr}.ba-intro h1{font-size:30px}.ba-intro>p{font-size:16px}.ba-breadcrumb{font-size:11px}.ba-cover-note{padding:15px 38px 15px 15px}.ba-body h2{font-size:21px;padding-left:46px;min-height:32px}.ba-body h2::before{width:32px;height:32px;font-size:18px}.ba-cta{gap:14px;padding:20px}.ba-cta-icon{width:42px;height:42px;font-size:24px}.ba-cta>div{flex-basis:calc(100% - 56px)}.ba-cta>a{margin:0;width:100%}.ba-cta h2{font-size:17px}}
/* Shared site navigation rules must not position article navigation panels. */
.ba-page nav{position:static;top:auto;left:auto;width:auto;z-index:auto;background:transparent;transition:none}
.ba-page nav.ba-breadcrumb{padding:0;border:0;box-shadow:none}
.ba-page nav.ba-toc{padding:22px;background:#fff;border:1px solid #edf1f7}
/* Keep article navigation available below the fixed header on desktop. */
@media(min-width:761px){
 .ba-sidebar{position:sticky;top:94px;max-height:calc(100vh - 114px);max-height:calc(100dvh - 114px);overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#c4d7f3 transparent;padding:0 5px 5px 0;scroll-padding:12px}
 .ba-sidebar::-webkit-scrollbar{width:5px}
 .ba-sidebar::-webkit-scrollbar-thumb{background:#c4d7f3;border-radius:5px}
}
.ba-mobile-toc{display:none}
@media(max-width:760px){
 .ba-mobile-toc{display:block;margin:0 0 25px;border:1px solid #dce6f4;border-radius:12px;background:#fff;overflow:hidden}
 .ba-mobile-toc>summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;list-style:none;cursor:pointer;color:#10182c;font-size:15px;font-weight:650}
 .ba-mobile-toc>summary::-webkit-details-marker{display:none}
 .ba-mobile-toc>summary::marker{content:''}
 .ba-mobile-toc>summary i{font-size:12px;color:#0861ff;transition:transform .2s}
 .ba-mobile-toc[open]>summary{border-bottom:1px solid #edf1f7}
 .ba-mobile-toc[open]>summary i{transform:rotate(180deg)}
 .ba-page .ba-mobile-toc nav.ba-toc{padding:18px;border:0;border-radius:0;max-height:55vh;max-height:55dvh;overflow-y:auto;box-shadow:none;scrollbar-width:thin}
 .ba-sidebar>.ba-toc{display:none}
 .ba-mobile-toc>summary:focus-visible{outline:2px solid #0861ff;outline-offset:-4px}
}
@media(prefers-reduced-motion:reduce){.ba-mobile-toc>summary i{transition:none}}
.ba-page .ba-cover,.ba-page .ba-related>a{background-repeat:no-repeat}
.ba-page .ba-cover>img,.ba-page .ba-related img{object-fit:contain;object-position:center;background:#f1f5fa;background-repeat:no-repeat}
@media(max-width:760px){
 .ba-sidebar>.ba-help{display:none}
}