/* Warm charcoal and YouTwo Lab yellow, with a quiet document layout. */
:root{color-scheme:dark;--paper:#24211d;--surface:#2e2b26;--raised:#34312c;--ink:#f7f7f1;--text:#d2d0c9;--muted:#aaa9a2;--line:#47433c;--accent:#f4ff22}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--text);font:16px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}::selection{color:var(--paper);background:var(--accent)}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px;overflow-wrap:anywhere}a:hover{color:var(--accent)}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}p{margin:0 0 1.15em}h1,h2,h3{color:var(--ink);line-height:1.4}h1{margin:18px 0 22px;font-size:clamp(38px,4.4vw,58px);font-weight:700;letter-spacing:-.045em}h2{margin:2.5em 0 1em;font-size:23px;font-weight:650;scroll-margin-top:32px}h3{font-size:19px;font-weight:600}strong{color:var(--ink);font-weight:600}ul,ol{padding-left:1.5em}li{margin:0 0 .75em;padding-left:3px}li::marker{color:var(--muted)}.title-dot{color:var(--accent);margin-left:3px}.eyebrow{color:var(--muted);font-size:12px;line-height:1.5;font-weight:500;letter-spacing:.08em}.lead{color:var(--muted);font-size:17px;line-height:1.9}.small-dot{display:inline-block;width:6px;height:6px;margin:0 10px 2px 0;background:var(--accent);border-radius:50%}

/* Navigation */
.site-header{border-bottom:1px solid var(--line)}.header-inner{max-width:1280px;min-height:90px;padding:0 48px;margin:auto;display:flex;align-items:center;gap:42px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap;color:var(--ink);font-size:24px;font-weight:650;letter-spacing:-.04em}.brand-mark{position:relative;display:inline-flex;align-items:center;gap:4px;width:31px;height:30px}.brand-mark i{width:11px;height:19px;border:2px solid var(--accent);border-radius:1px 1px 8px 1px;transform:skewY(-12deg)}.brand-mark i+i{align-self:flex-end;margin-bottom:1px;height:21px;background:var(--accent)}.domain{margin-left:9px;color:var(--muted);font-size:12px;font-weight:400;letter-spacing:.02em}.main-nav{display:flex;gap:32px;align-self:stretch;margin-left:auto}.main-nav a{position:relative;display:flex;align-items:center;color:var(--muted);text-decoration:none;font-size:14px;white-space:nowrap}.main-nav a:hover,.main-nav a[aria-current]{color:var(--ink)}.main-nav a[aria-current]::after{content:"";position:absolute;height:2px;background:var(--accent);bottom:-1px;left:0;right:0}.language-switch{display:flex;gap:9px;align-items:center;padding-left:28px;border-left:1px solid var(--line);color:var(--muted);font-size:13px}.language-switch a{text-decoration:none}.language-switch a[aria-current]{color:var(--accent)}.skip{position:absolute;top:-100px;left:20px;z-index:20;padding:10px 20px;background:var(--accent);color:var(--paper)}.skip:focus{top:12px}main:focus{outline:none}.draft{max-width:1184px;margin:24px auto 0;padding:13px 18px;border:1px solid #766a42;color:#d7c9a3;background:#322e23;font-size:13px;display:flex;flex-wrap:wrap;gap:6px 18px}.draft strong,.pending{color:#ece0bc}

/* Help landing page */
.home,.document{max-width:1280px;margin:auto;padding:0 48px 88px}.home .reading-layout{display:block}.home-heading{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:80px;align-items:center;padding:82px 0 76px}.home-copy h1{margin:25px 0 24px;font-size:clamp(38px,4.7vw,64px);line-height:1.3}.home-copy .lead{margin-bottom:28px}.text-link{display:inline-flex;gap:38px;align-items:center;padding-bottom:7px;border-bottom:1px solid var(--accent);color:var(--accent);font-size:14px;text-decoration:none}.text-link span{font-size:20px}.contact-panel{padding:30px;background:var(--surface);border-top:2px solid var(--accent)}.contact-panel>.eyebrow{color:var(--accent)}.contact-panel h2{margin:26px 0 16px;font-size:23px}.contact-panel>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.85}.contact-address{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:27px 0 23px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--accent);font-size:18px}.contact-address a{text-decoration:none}.contact-address a:hover{text-decoration:underline}.contact-panel .contact-note{margin:0;font-size:12px}.section-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line)}.section-heading h2{margin:0;font-size:16px}.section-heading>span{color:var(--muted);font-size:12px}.directory-row{display:grid;grid-template-columns:62px 240px 1fr 32px;gap:15px;align-items:center;min-height:100px;padding:20px 16px 20px 0;border-bottom:1px solid var(--line);text-decoration:none;transition:background .16s}.directory-row:hover{background:var(--surface)}.row-number,.toc-number{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.directory-row h3{margin:0;font-size:20px}.directory-row p{margin:0;color:var(--muted);font-size:14px}.row-arrow{justify-self:end;color:var(--muted);font-size:24px;line-height:1}.directory-row:hover h3,.directory-row:hover .row-arrow{color:var(--accent)}

/* Policy and support documents */
.page-heading{padding:48px 0 42px;margin-bottom:46px;border-bottom:1px solid var(--line)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin:0 0 28px;color:var(--muted);font-size:12px}.breadcrumb a{text-decoration:none}.breadcrumb>span{color:#817c71}.page-heading h1{margin:0 0 20px}.page-heading .lead{max-width:700px;margin-bottom:24px}.metadata{margin:0;color:var(--muted);font-size:12px}.reading-layout{display:grid;grid-template-columns:224px minmax(0,1fr);gap:72px}.document-sidebar{align-self:start;position:sticky;top:32px}.toc{display:flex;flex-direction:column;gap:3px}.toc>.eyebrow{margin-bottom:17px}.toc a{display:grid;grid-template-columns:22px 1fr;align-items:baseline;gap:10px;padding:9px 0;text-decoration:none;color:var(--muted);font-size:13px;line-height:1.65}.toc a:hover{color:var(--accent)}.sidebar-help{display:flex;justify-content:space-between;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:12px}.sidebar-help>span{color:var(--accent)}.document article{max-width:820px;min-width:0;overflow-wrap:anywhere}.document article>h2{padding-top:32px;border-top:1px solid var(--line);margin-top:42px}.document article>h2:first-child{margin-top:0;padding-top:0;border-top:0}.document article a{color:var(--ink);text-decoration-color:#817c71}.document article a:hover{color:var(--accent);text-decoration-color:var(--accent)}.document article h2:target{color:var(--accent)}.callout{margin:26px 0;padding:22px 24px;border-left:2px solid var(--accent);background:var(--surface);font-size:15px}.callout>strong{color:var(--ink)}.callout p{margin:10px 0 0}.page-support .page-heading{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;align-items:end}.page-support .page-heading .lead{font-size:16px}.heading-aside .callout{margin:0;padding:24px 26px;border-left:0;background:var(--surface);border-top:2px solid var(--accent);font-size:13px;color:var(--muted)}.heading-aside .callout>strong{font-weight:500;font-size:12px;color:var(--muted)}.heading-aside .callout p:first-of-type{margin:12px 0 16px;font-size:22px;line-height:1.4}.heading-aside .callout a{color:var(--accent);text-decoration:none}.heading-aside .callout a:hover{text-decoration:underline}.table-wrap{margin:26px 0;overflow-x:auto;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.9}th,td{padding:18px 20px;vertical-align:top;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--ink);background:var(--raised);font-size:12px;font-weight:500}td:first-child{width:25%;min-width:110px;color:var(--ink);background:var(--surface);border-right:1px solid var(--line)}tr:last-child td{border-bottom:0}

/* Footer */
.site-footer{max-width:1184px;margin:auto;padding:32px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.footer-top{display:flex;align-items:center;gap:44px}.footer-brand{display:flex;align-items:baseline;gap:12px;font-size:18px;font-weight:600;color:var(--ink);white-space:nowrap;text-decoration:none}.footer-brand>span{color:var(--muted);font-size:11px;font-weight:400}.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin-left:auto}.footer-links a,.back-top{text-decoration:none}.back-top{white-space:nowrap}.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:11px}.footer-bottom p{margin:0}.footer-bottom a{text-decoration:none}

@media(min-width:1600px){.home-heading{padding-top:100px;padding-bottom:92px}}
@media(max-width:1200px){.site-footer,.draft{margin-left:48px;margin-right:48px}.home-heading{gap:48px}.reading-layout{gap:42px;grid-template-columns:200px minmax(0,1fr)}.footer-top{gap:24px}}
@media(max-width:900px){.header-inner{gap:28px;padding:0 28px;min-height:78px}.domain{display:none}.home,.document{padding-left:28px;padding-right:28px}.home-heading{grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:56px 0}.contact-panel{padding:24px}.contact-address{font-size:17px}.directory-row{grid-template-columns:40px 190px 1fr 24px}.page-support .page-heading{grid-template-columns:minmax(0,1fr) 300px;gap:28px}.heading-aside .callout{padding:22px}.heading-aside .callout p:first-of-type{font-size:19px}.reading-layout{grid-template-columns:170px minmax(0,1fr);gap:32px}.site-footer,.draft{margin-left:28px;margin-right:28px}.footer-top{flex-wrap:wrap}.footer-links{order:3;width:100%;margin-left:0}.back-top{margin-left:auto}}
@media(max-width:650px){body{font-size:15px;line-height:1.9}.header-inner{padding:0 22px;min-height:106px;display:grid;grid-template-columns:1fr auto;gap:0 20px}.brand{padding-top:16px;font-size:21px}.brand-mark{transform:scale(.85);transform-origin:left center;width:27px}.language-switch{padding:16px 0 0;border:0}.main-nav{grid-column:1/-1;grid-row:2;gap:26px;margin:0;min-height:46px}.main-nav a{font-size:13px}.home,.document{padding:0 22px 54px}.home-heading{grid-template-columns:1fr;padding:40px 0 46px;gap:34px}.home-copy h1{margin-top:22px;font-size:clamp(36px,9vw,48px)}.lead,.home-copy .lead{font-size:15px}.contact-panel h2{margin-top:20px}.contact-address{margin:22px 0 18px;font-size:20px}.contact-panel .contact-note br{display:none}.directory-row{position:relative;grid-template-columns:30px 1fr 24px;gap:3px 12px;min-height:100px;padding:22px 0}.directory-row h3{font-size:18px}.directory-row p{grid-column:2;font-size:12px}.directory-row .row-arrow{grid-column:3;grid-row:1/3}.row-number{align-self:start;padding-top:5px}.section-heading{padding-bottom:18px}.page-heading,.page-support .page-heading{display:block;padding:30px 0;margin-bottom:26px}.breadcrumb{margin-bottom:22px}.page-heading h1{font-size:40px}.page-heading .lead,.page-support .page-heading .lead{font-size:15px}.metadata{font-size:11px}.heading-aside{margin-top:26px}.heading-aside .callout p:first-of-type{font-size:22px}.reading-layout{grid-template-columns:1fr;gap:30px}.document-sidebar{position:static;padding-bottom:24px;border-bottom:1px solid var(--line)}.toc{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.toc>.eyebrow{grid-column:1/-1;margin-bottom:8px}.toc a{grid-template-columns:18px 1fr;gap:6px;padding:7px 0;font-size:12px}.toc-number{font-size:10px}.sidebar-help{margin-top:16px;padding-top:16px}.document article>h2{font-size:21px;margin-top:32px;padding-top:26px}.callout{padding:18px;font-size:14px}th,td{padding:13px 12px;font-size:13px}td:first-child{min-width:90px;width:28%}.site-footer,.draft{margin-left:22px;margin-right:22px}.site-footer{padding-top:26px}.footer-bottom{font-size:10px}.footer-links{gap:12px 20px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.directory-row{transition:none}}
@media print{:root{color-scheme:light;--paper:#fff;--surface:#f5f5f5;--raised:#eee;--ink:#111;--text:#222;--muted:#555;--line:#ccc;--accent:#111}.site-header,.document-sidebar,.draft,.skip,.site-footer,.back-top{display:none}.document{padding:0;max-width:none}.reading-layout{display:block}.document article{max-width:none}.page-heading{margin-bottom:20px;padding-top:0}body{font-size:11pt}h1{font-size:26pt}h2{font-size:16pt;break-after:avoid}.callout,tr{break-inside:avoid}a{color:inherit!important}}

/* Direct links to the most frequently needed document sections. */
.heading-actions{display:flex;flex-wrap:wrap;gap:12px 24px;margin:0 0 26px}.heading-actions a{display:inline-flex;align-items:center;gap:18px;padding-bottom:5px;border-bottom:1px solid var(--line);color:var(--ink);font-size:13px;text-decoration:none}.heading-actions a span{color:var(--accent);font-size:16px}.heading-actions a:hover{border-color:var(--accent);color:var(--accent)}
@media(max-width:650px){.heading-actions{gap:10px 20px;margin-bottom:22px}.heading-actions a{gap:12px;font-size:12px}}
@media print{.heading-actions{display:none}}