.dd{--dd-ink:var(--ink,var(--vdai-ink));--dd-muted:var(--muted,var(--vdai-muted));--dd-line:var(--line,var(--vdai-line));--dd-bg:var(--paper,var(--vdai-bg));--dd-card:var(--white,var(--vdai-paper));--dd-accent:var(--blue,var(--vdai-terra));color:var(--dd-ink);background:var(--dd-bg);font-size:18px;line-height:1.65;margin:0}.dd *{box-sizing:border-box}.dd a{text-underline-offset:4px}.dd-shell{max-width:1160px;margin:auto;padding:0 28px}.dd-header{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:22px 0;border-bottom:1px solid var(--dd-line)}.dd-header a{text-decoration:none;font-weight:700}.dd-hero{padding:64px 0 46px;max-width:990px}.dd-kicker{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--dd-accent);margin:0 0 18px}.dd h1{font-size:clamp(34px,4.7vw,65px);line-height:1.1;letter-spacing:-.045em;margin:0 0 25px}.dd h2{font-size:clamp(27px,3.1vw,39px);line-height:1.2;letter-spacing:-.025em;margin:8px 0 22px}.dd p{margin:0 0 20px;line-height:1.65}.dd-lead{font-size:21px;max-width:800px;color:var(--dd-muted)}.dd-toolbar{position:sticky;top:0;z-index:60;background:var(--dd-card);border-block:1px solid var(--dd-line);padding:12px 18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.dd-toolbar label{display:flex;align-items:center;gap:9px;flex:1}.dd select,.dd button{font:inherit;font-size:16px;padding:10px 12px;min-height:44px;border:1px solid var(--dd-line);background:var(--dd-card);color:var(--dd-ink);border-radius:6px}.dd select{max-width:100%;min-width:0}.dd button{cursor:pointer}.dd button[aria-pressed=true]{background:var(--dd-ink);color:white}.dd-section{scroll-margin-top:140px;padding:46px 0;border-bottom:1px solid var(--dd-line);max-width:890px}.dd-num{font-size:14px;color:var(--dd-accent);font-weight:700}.dd-example{background:var(--dd-card);padding:24px;border-left:3px solid var(--dd-accent);margin:25px 0}.dd-action{font-weight:650}.dd-meta{font-size:14px;color:var(--dd-muted)}.dd-footer{padding:40px 0}.dd-cross{padding:25px;border:1px solid var(--dd-line);margin:28px 0}.dd-primary{display:inline-block;padding:13px 20px;background:var(--dd-ink);color:white!important;text-decoration:none;border-radius:6px}.dd pre{white-space:pre-wrap;overflow-wrap:anywhere;font:16px/1.6 inherit;border:1px solid var(--dd-line);padding:22px}.dd .dd-slide-hidden{display:none}.dd-pager{display:none;gap:12px;margin:25px 0}.dd[data-mode=slides] .dd-pager{display:flex}.dd:focus-visible,.dd :focus-visible{outline:3px solid var(--dd-accent);outline-offset:4px}.dd.vdai-quiet{font-size:18px}.dd.vdai-quiet h1,.dd.vdai-quiet h2{font-family:var(--quiet-heading);font-weight:600}.dd.vdai-quiet h1{font-size:clamp(31px,4vw,54px)}
@media(max-width:600px){.dd-shell{padding:0 20px}.dd-header{font-size:15px}.dd-hero{padding:36px 0 28px}.dd-lead{font-size:19px}.dd-toolbar{padding:10px;gap:8px}.dd-toolbar label{width:100%;flex-basis:100%;font-size:14px}.dd-toolbar select{flex:1}.dd-toolbar button{flex:1}.dd-section{padding:32px 0;scroll-margin-top:160px}.dd-example{padding:18px}.dd-cross{padding:18px}}@media print{.dd-toolbar,.dd-header,.dd-pager{display:none!important}.dd .dd-slide-hidden{display:block!important}.dd-section{break-before:page}.dd-hero{padding:0}.dd{font-size:12pt}}

.dd-level-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.dd-level-grid a{padding:18px;border:1px solid var(--dd-line);text-decoration:none}.dd-level-grid strong,.dd-level-grid span{display:block}.dd-level-grid span{font-size:16px;margin-top:10px}@media(max-width:600px){.dd-level-grid{grid-template-columns:1fr}}