:root{--ink:#202629;--muted:#596368;--line:#dce1e1;--paper:#fff;--surface:#f5f7f6;--blue:#075dda;--green:#226a52;--mint:#eaf3ee;--warning:#875312;--max:1160px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;font-size:16px;letter-spacing:0}
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0}.note.muted{background:var(--surface);border-color:#b8c2c3}.note.muted strong{color:var(--muted)}.source{display:flex;align-items:flex-start;gap:12px;padding:16px 0;border-top:1px dashed var(--line);margin-top:16px;font-size:14px}.source>svg{color:var(--muted);margin-top:4px}.source span{display:block;color:var(--muted);font-size:11px;line-height:1.8}.source a{display:inline-block;line-height:1.8;padding:5px 0;min-height:36px}.source a svg{width:15px;height:15px}.checks{margin:18px 0}.checks label{display:flex;align-items:flex-start;gap:12px;padding:12px 0;min-height:48px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.8;cursor:pointer}.checks input{width:20px;height:20px;flex:0 0 20px;margin:3px 0 0;accent-color:var(--green)}.copybox{border:1px solid var(--line);border-radius:6px;padding:20px;margin:20px 0;background:var(--surface)}pre{font-family:inherit;white-space:pre-wrap;font-size:14px;line-height:2;margin:0 0 16px}.copybox button{font-size:13px}.next-page{margin:30px 0 20px;padding:24px 0;border-bottom:1px solid var(--line)}.next-page>span{font-size:12px;color:var(--muted)}.next-page a{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:21px;font-weight:650;min-height:52px;line-height:1.55;margin-top:7px}.bottom-links{display:flex;justify-content:space-between;gap:20px;font-size:13px}.bottom-links a{display:flex;align-items:center;min-height:44px}.help-list{display:grid;margin-top:12px}.help-list a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);color:var(--ink)}dialog{max-width:calc(100% - 32px);width:540px;border:1px solid var(--line);border-radius:8px;padding:26px;color:var(--ink);max-height:85vh;overflow:auto}dialog::backdrop{background:#0006}dialog .close{float:right;margin:-10px -10px 0 5px}dialog h2{font-size:22px}dialog label{font-size:12px;color:var(--muted)}textarea{display:block;width:100%;resize:vertical;border:1px solid #bac4c5;border-radius:4px;padding:12px;margin:8px 0 18px;font-size:14px;line-height:1.6}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:6px;padding:12px 20px;max-width:calc(100% - 32px);font-size:14px;display:none;z-index:20}.toast.visible{display:block}body[data-internal] .eyebrow{color:var(--warning)}body[data-internal] .site-header{border-top:4px solid #966021}
.home-title{text-wrap:balance}
.image-kicker{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 16px;font-size:13px;font-weight:650;line-height:1.8;padding-bottom:14px;color:var(--ink)}.image-kicker span{font-size:12px;font-weight:400;color:var(--muted)}
.official-figure{margin:24px 0 8px;padding-top:20px;border-top:1px solid var(--line)}.image-link{display:block;width:100%;color:var(--muted)}.image-link img{display:block;width:100%;height:auto;background:#fff}.image-zoom{display:flex;justify-content:flex-end;align-items:center;min-height:44px;border-bottom:1px solid var(--line)}.image-zoom svg{margin:0 10px}.official-figure.portrait .image-link{max-width:300px}.official-figure figcaption{padding-top:14px;font-size:13px;line-height:1.8;color:var(--muted)}.official-figure figcaption strong{color:var(--ink);font-size:14px}.official-figure figcaption p{font-size:14px;margin:8px 0;line-height:1.85}.official-figure figcaption a{display:inline-block;min-height:44px;padding:10px 0}.image-credit{display:block;font-size:12px;line-height:1.8}
@media(min-width:1600px){.home-heading{padding-top:80px}.header-inner{padding-top:26px;padding-bottom:26px}}
@media(max-width:1230px){.header-inner,.home,.article-layout,.site-footer{margin-left:40px;margin-right:40px}.article-layout{gap:40px;grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:800px){h1{font-size:30px}.header-inner,.home,.article-layout,.site-footer{margin-left:22px;margin-right:22px}.header-inner{padding:16px 0;gap:12px;flex-wrap:wrap}.brand{font-size:15px}.brand img{width:36px;height:36px}.brand small{font-size:10px}.site-header nav{gap:16px}.site-header nav a{font-size:12px}.home-heading{padding:42px 0 30px}.home h1{font-size:35px}.home-title{font-size:22px;line-height:1.6;margin-top:15px;max-width:300px}.home .intro{font-size:15px}.desktop-only{display:none}.release-status{gap:10px;padding:16px 0}.release-status p{font-size:12px}.status-label{font-size:11px;line-height:1.8;padding-top:0}.section-heading{padding-top:30px;align-items:flex-start}.section-heading h2{font-size:20px}.section-heading span{font-size:11px;line-height:2.5}.flow-row{grid-template-columns:34px minmax(0,1fr);gap:12px;padding:25px 0}.flow-index{font-size:21px}.flow-description h3{font-size:19px}.flow-description p{font-size:13px;margin-bottom:8px}.flow-links{grid-column:2;gap:2px}.flow-links>a{font-size:14px;min-height:45px;padding:10px 0}.help-band{display:block;padding:26px 0}.help-band h2{font-size:20px}.help-band>a{margin-top:16px;justify-content:space-between}.home-footnote{font-size:11px;padding-bottom:24px}.site-footer{align-items:flex-start;flex-direction:column;gap:10px;padding-top:22px}.article-layout{display:block;padding-top:18px}.sidebar nav,.sidebar-note{display:none}.sidebar{margin-bottom:24px}.sidebar>a{font-size:12px}.article-layout .eyebrow{margin-bottom:12px}.article-layout .intro{font-size:15px;margin-top:15px}.contents{margin-top:24px}.contents a{min-height:44px}.step{grid-template-columns:24px minmax(0,1fr);gap:10px;padding:26px 0}.step-number{font-size:12px}.step-heading{gap:6px}.step-heading h2{font-size:19px;line-height:1.6}.step-content>p,.step-content li{font-size:15px}.note{padding:14px;margin:18px 0}.note p{font-size:13px}.copybox{padding:15px}pre{font-size:13px}.next-page a{font-size:19px}.bottom-links{font-size:12px;flex-wrap:wrap}.home-heading .primary{margin-top:14px}.source{gap:8px}.source a{font-size:13px}body[data-internal] .site-header nav{width:100%;gap:12px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{.site-header nav,.sidebar,.share-step,.contents,.bottom-links,button,.next-page,.toast{display:none!important}.article-layout{display:block;margin:0;padding:0}.site-header,.site-footer{margin:0}.article-layout main{max-width:none}.step{break-inside:avoid}.home{margin:0}.source a{color:#222}.note{background:#fff;border:1px solid #bbb}}