:root{--blue:#2860f5;--blue-deep:#1745c3;--ink:#141b2d;--muted:#65738c;--subtle:#929db0;--line:#e3e9f3;--panel:#f7f9fd;--blue-pale:#eff4ff;--shadow:0 18px 60px rgba(26,53,104,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:13px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.topbar{height:66px;position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,3vw,44px);background:rgba(255,255,255,.95);border-bottom:1px solid 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strong{display:block;color:#233e85;margin-bottom:4px}.warning-box{background:#fffaf0;border-color:#f6dfb1;color:#79603b}.warning-box strong{color:#986416}.success-box{background:#f0fbf6;border-color:#c5efdc;color:#366b54}.success-box strong{color:#167751}.article-content table{border-collapse:collapse;width:100%;margin:16px 0 22px;font-size:11px}.article-content th,.article-content td{text-align:left;border:1px solid #e1e7f0;padding:10px 11px;vertical-align:top}.article-content th{background:#f5f7fb;color:#34415a;font-weight:700}.article-content td{color:#526078}.article-toc{position:sticky;top:96px;padding-top:5px}.toc-label{font-size:9px;letter-spacing:1.2px;font-weight:800;color:#98a2b2;margin-bottom:15px}.toc-list{border-left:1px solid #e3e8f1;padding-left:12px;display:grid;gap:11px}.toc-list a{font-size:10px;line-height:1.5;color:#7b879b}.toc-list a:hover{color:var(--blue)}.feedback{border-top:1px solid #e9edf4;margin-top:40px;padding:23px 0;display:flex;justify-content:space-between;align-items:center;gap:18px}.feedback p{margin:0;font-size:11px;font-weight:650;color:#344159}.feedback-actions{display:flex;gap:7px}.feedback-actions button{border:1px solid #e0e6f0;border-radius:8px;background:#fff;color:#6e7b91;font-size:10px;padding:8px 10px}.feedback-actions button:hover{background:#f2f6ff;color:var(--blue);border-color:#cfdcff}.feedback-message{font-size:10px;color:#21825f}.article-bottom-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.bottom-nav-card{padding:15px;border:1px solid #e2e8f2;border-radius:11px}.bottom-nav-card:hover{border-color:#cbd8ff}.bottom-nav-card.next{text-align:right}.bottom-nav-card small{display:block;color:#9aa4b4;font-size:9px;margin-bottom:7px}.bottom-nav-card strong{font-size:11px;color:#2d3a55}.not-found{text-align:center;padding:100px 20px}.not-found .big{font-size:48px;color:#b8c6e5}.not-found h1{font-size:28px;letter-spacing:-1px}.not-found p{color:var(--muted);line-height:1.8}.search-overlay[hidden]{display:none}.search-overlay{position:fixed;inset:0;z-index:100;display:flex;justify-content:center;align-items:flex-start;padding:12vh 18px 20px}.overlay-backdrop{position:absolute;inset:0;background:rgba(14,23,43,.48);border:0;backdrop-filter:blur(4px)}.search-dialog{position:relative;width:min(650px,100%);background:#fff;border:1px solid #dde4f0;border-radius:16px;box-shadow:0 35px 100px #0e1b3f2e;overflow:hidden}.search-dialog-input{height:60px;display:flex;gap:11px;align-items:center;padding:0 18px;border-bottom:1px solid #edf0f6}.search-dialog-input input{flex:1;min-width:0;border:0;outline:0;font-size:14px;color:var(--ink)}.search-caption{padding:14px 19px 9px;font-size:9px;font-weight:800;letter-spacing:1.1px;color:#9aa5b6}.search-results{max-height:min(55vh,440px);overflow:auto;padding:0 9px 10px}.search-result{width:100%;display:flex;text-align:left;gap:12px;align-items:flex-start;border:0;background:#fff;padding:12px;border-radius:9px;color:var(--ink)}.search-result:hover,.search-result.active{background:#f1f5ff}.result-icon{width:32px;height:32px;border:1px solid #e4e9f3;color:var(--blue);border-radius:9px;display:grid;place-items:center;flex:0 0 auto}.result-copy{flex:1;min-width:0}.result-copy strong{font-size:11px;display:block;margin:1px 0 4px}.result-copy small{display:block;color:#7b879a;font-size:10px;line-height:1.5}.result-category{font-size:9px;color:#8d99ad;white-space:nowrap;margin-left:10px}.no-results{padding:25px 15px;text-align:center;color:#7f8ba0;font-size:11px;line-height:1.7}.search-dialog-foot{border-top:1px solid #edf0f6;padding:11px 17px;display:flex;justify-content:space-between;color:#9aa4b5;font-size:9px}.site-footer{margin-top:auto;border-top:1px solid #e8edf5;background:#fcfdff;padding:24px clamp(28px,5.2vw,74px) 17px}.footer-main{display:grid;grid-template-columns:230px minmax(0,1fr) auto;gap:22px;align-items:center;padding-bottom:20px}.footer-brand{display:flex;align-items:center;gap:9px}.footer-brand div{display:grid;gap:4px}.footer-brand strong{font-size:12px}.footer-brand span{font-size:9px;color:#8995a9}.footer-main>p{font-size:10px;color:#8390a5;line-height:1.7;margin:0;max-width:560px}.footer-support{white-space:nowrap;color:var(--blue);font-size:10px;font-weight:700}.footer-bottom{border-top:1px solid #edf0f5;padding-top:14px;display:flex;justify-content:space-between;gap:15px;color:#9ba5b5;font-size:9px}.footer-bottom>span:last-child{display:flex;gap:19px}.footer-bottom a:hover{color:var(--blue)}.results-page-heading{margin:28px 0 25px}.results-page-heading .kicker{font-size:9px;color:var(--blue);font-weight:800;letter-spacing:1.4px}.results-page-heading h1{font-size:35px;letter-spacing:-1.2px;margin:13px 0 8px}.results-page-heading p{color:#78859b;font-size:12px;line-height:1.7}.listing-grid{display:grid;gap:11px;margin-bottom:55px}.listing-item{display:flex;gap:14px;padding:18px;border:1px solid #e4eaf3;border-radius:12px;align-items:flex-start}.listing-item:hover{border-color:#cbd8ff;background:#fbfcff}.listing-item .result-icon{width:37px;height:37px}.listing-item strong{font-size:12px;display:block;margin:1px 0 6px}.listing-item p{font-size:10.5px;line-height:1.7;color:#748097;margin:0}.listing-item small{display:block;color:#98a2b2;font-size:9px;margin-top:9px}.mobile-search-trigger{display:none}
@media(max-width:1050px){.app-layout{grid-template-columns:247px minmax(0,1fr)}.page-wrap{padding:0 35px}.category-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 150px;gap:27px}.footer-main{grid-template-columns:190px minmax(0,1fr)}.footer-support{grid-column:2}}
@media(max-width:760px){.topbar{height:60px;padding:0 17px}.brand{font-size:16px;gap:7px}.brand-logo{width:28px;height:28px}.brand-docs{font-size:10px;padding-left:7px;margin-left:1px}.top-actions{gap:10px}.top-link{display:none}.support-button{padding:10px 12px;font-size:10px}.mobile-menu{display:block}.app-layout{display:block;min-height:calc(100vh - 60px)}.sidebar{position:fixed;left:0;top:60px;height:calc(100vh - 60px);width:min(310px,88vw);transform:translateX(-102%);transition:transform .22s ease;box-shadow:none}.sidebar.mobile-open{transform:translateX(0);box-shadow:18px 0 50px #13264b1c}.mobile-breadcrumb{display:flex;gap:10px;align-items:center;padding:13px 18px;border-bottom:1px solid #edf0f5;color:#7b879b;font-size:10px}.mobile-breadcrumb button{border:1px solid #e2e7f0;background:#fff;color:#43516b;border-radius:7px;padding:5px 8px}.page-wrap{padding:0 19px;min-height:0}.breadcrumb{margin:20px 0 19px}.hero-docs{padding:28px 21px 24px;margin:15px 0 32px}.hero-docs h1{font-size:34px;letter-spacing:-1.5px}.hero-docs p{font-size:12px}.hero-search{height:49px}.hero-search button{padding:0 10px}.hero-meta{gap:11px}.category-cards{grid-template-columns:1fr;gap:9px;margin-bottom:38px}.category-card{min-height:0;padding:15px}.category-card-icon{width:35px;height:35px;flex-basis:35px}.home-lower{grid-template-columns:1fr;gap:19px;margin-bottom:45px}.section-top h2{font-size:18px}.article-layout{display:block;margin-bottom:45px}.article-toc{display:none}.article-heading h1{font-size:31px;letter-spacing:-1px}.article-heading .summary{font-size:12px}.article-content{font-size:12px}.article-content h2{font-size:20px;margin-top:32px}.article-content h3{font-size:15px}.article-content table{display:block;overflow:auto}.feedback{align-items:flex-start;flex-direction:column}.site-footer{padding:22px 19px 15px}.footer-main{grid-template-columns:1fr;gap:12px}.footer-support{grid-column:auto}.footer-bottom{flex-direction:column}.footer-bottom>span:last-child{gap:13px;flex-wrap:wrap}.search-overlay{padding:8vh 10px 10px}.search-dialog-input{height:54px;padding:0 12px}.result-category{display:none}.search-dialog-foot{font-size:8px}.article-bottom-nav{grid-template-columns:1fr}.bottom-nav-card.next{text-align:left}.results-page-heading h1{font-size:30px}}

.feedback-actions a{border:1px solid #dce5f7;border-radius:8px;background:#f8faff;color:var(--blue);font-size:10px;font-weight:700;padding:9px 11px;display:inline-flex;align-items:center;gap:8px}.feedback-actions a:hover{background:#eff4ff;border-color:#cbd9ff}

/* Inline SVG icons: crisp, accessible, and independent from emoji fonts. */
.sg-icon{display:inline-block;width:1em;height:1em;flex:0 0 auto;vertical-align:middle;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.cat-icon .sg-icon{width:16px;height:16px}.category-card-icon .sg-icon{width:19px;height:19px}.popular-article-icon .sg-icon{width:15px;height:15px}.result-icon .sg-icon{width:17px;height:17px}.search-icon .sg-icon{width:18px;height:18px}.nav-symbol .sg-icon{width:15px;height:15px}.contact-symbol .sg-icon{width:20px;height:20px}.help-icon .sg-icon{width:16px;height:16px}.kicker .sg-icon,.category-chip .sg-icon{width:14px;height:14px}.tiny-check .sg-icon{width:9px;height:9px}
