@font-face{font-family:Outfit;src:url('/product/assets/fonts-Outfit.woff2') format('woff2');font-display:swap}
@font-face{font-family:Noto;src:url('/product/assets/fonts-NotoSansSC.woff2') format('woff2');font-display:swap}
:root{color-scheme:light;--ink:#19344d;--muted:#61758b;--blue:#0b74ff;--line:#dbe5ef;--paper:#fcfdff;--soft:#f1f6fc}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.95 Noto,'Microsoft YaHei',sans-serif;min-width:1000px}a{color:inherit;text-decoration:none}a:hover{color:#075fcf}a:focus-visible{outline:3px solid var(--blue);outline-offset:4px}p{margin:0 0 20px}h1,h2,h3{line-height:1.5;font-weight:600}h1{font-size:34px;letter-spacing:-.6px;margin:0 0 16px}h2{font-size:23px;margin:0 0 19px}h3{margin:0;font-size:19px}.reading-index{max-width:1160px;margin:auto;padding:40px 48px 70px}.reading-index-intro>span{font-size:13px;color:#075fcf}.reading-index-intro h1{font-size:34px;margin:12px 0}.reading-index-intro h1 br{display:none}.reading-index-intro>p{color:var(--muted);font-size:15px;max-width:50em;margin:0}.reading-topics{display:flex;gap:12px;border-bottom:1px solid var(--line);padding:24px 0 27px}.reading-topics a{display:flex;align-items:center;gap:14px;background:var(--soft);padding:7px 16px;border-radius:6px;font-size:14px}.reading-topics a span{font:13px Outfit,sans-serif;color:var(--muted)}.reading-group{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;padding-top:30px}.reading-group>header{padding:12px 0}.reading-group>header>span{font:13px Outfit,sans-serif;color:#7890a7}.reading-group h2{font-size:20px;margin-top:8px}.reading-row{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:18px 0;border-bottom:1px solid var(--line)}.reading-row h3{font-size:18px;font-weight:500;line-height:1.7}.reading-row p{font-size:14px;color:var(--muted);line-height:1.8;margin:6px 0 0}.reading-row>span{font-size:12px;white-space:nowrap;color:var(--muted)}.reading-row>span>span{color:var(--blue);margin-left:12px}.reading-layout{max-width:1136px;margin:auto;display:grid;grid-template-columns:minmax(0,728px) 208px;gap:64px;padding:35px 48px 65px}.reading-main{min-width:0}.reading-breadcrumb{display:flex;gap:12px;font-size:13px;color:var(--muted);margin-bottom:27px}.reading-intro{padding-bottom:25px;border-bottom:1px solid var(--line)}.reading-deck{font-size:17px;line-height:1.8;color:#526d83;margin-bottom:20px}.reading-byline{font-size:12px;color:var(--muted)}.reading-byline>span{margin:0 9px}.reading-lead{padding-top:29px}.reading-main article>section{margin-top:31px}.reading-main article p{max-width:44em}.reading-main article ol{padding-left:25px}.reading-main article li{padding:0 0 13px 5px}.reading-main article li::marker{color:#075fcf;font-family:Outfit,sans-serif}.reading-toc{position:sticky;top:115px;align-self:start;font-size:13px;max-height:calc(100vh - 145px);overflow:auto;line-height:1.8}.reading-toc>p{font-size:12px;color:var(--muted);margin:28px 0 10px}.reading-toc>a{display:block;margin:0 0 14px;color:#526d83}.reading-toc>a:hover,.reading-toc>a[aria-current]{color:#075fcf}.reading-toc .reading-back{color:#075fcf}.article-example{background:var(--soft);margin:23px 0 28px;padding:20px 24px;border-radius:7px}.article-example figcaption{color:#075fcf;font-size:12px;margin-bottom:9px}.article-example p{font-size:15px;line-height:1.95;margin:0}.reading-related{border-top:1px solid var(--line);margin-top:38px;padding-top:25px}.reading-related h2{font-size:21px;margin-bottom:0}.reading-related .reading-row h3{font-size:17px}.reading-product{display:flex;gap:20px;align-items:center;margin-top:25px;font-size:14px}.reading-product>span{font-size:12px;color:var(--muted)}.reading-product>a{color:#075fcf}.reading-feature-link{display:flex;justify-content:space-between;gap:24px;padding:17px 0;font-size:15px;border-bottom:1px solid var(--line)}.reading-footer{border-top:1px solid var(--line);padding:25px 48px;max-width:1340px;margin:auto;display:flex;gap:30px;font-size:13px;color:var(--muted)}.reading-footer a:first-child{margin-right:auto}.reading-skip{position:absolute;left:24px;top:-100px;background:var(--paper);padding:10px;z-index:100}.reading-skip:focus{top:10px}
.reading-topics{flex-wrap:wrap;gap:10px}.reading-topics a{gap:9px;padding:7px 12px}

.reading-intro h1{text-wrap:balance}.reading-comparison{width:100%;border-collapse:collapse;table-layout:fixed;margin:20px 0 28px;font-size:14px;line-height:1.85}.reading-comparison caption{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.reading-comparison th,.reading-comparison td{padding:14px 13px;vertical-align:top;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.reading-comparison thead{background:var(--soft)}.reading-comparison th{font-weight:500}.reading-comparison th:first-child{width:25%}.reading-closing{margin-top:30px}.reading-next{margin-top:30px;padding:24px 0;border-top:1px solid var(--line);font-size:15px}.reading-next p{margin:0 0 12px}.reading-next a{color:#075fcf;display:inline-block}.reading-next a span{margin-left:10px}