.aiuse-spacer{flex:1}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;flex:none;width:40px;height:40px;padding:0;border:1px solid var(--line);border-radius:9px;background:0 0;color:var(--ink-2);cursor:pointer}.theme-toggle:hover{background:var(--surface-2);color:var(--ink)}.theme-toggle svg{width:20px;height:20px}.theme-toggle .ic-sun{display:none}:root[data-theme=dark] .theme-toggle .ic-moon{display:none}:root[data-theme=dark] .theme-toggle .ic-sun{display:block}.aiuse-hero{grid-template-columns:1fr;padding:66px 0 72px}.aiuse-hero .sub{max-width:60ch}@media(max-width:820px){.aiuse-hero{padding:48px 0 54px}}.band{padding:64px 0}.page-head{background:var(--surface);border-bottom:1px solid var(--line);padding:52px 0 40px}.page-head h1{font-family:sora,sans-serif;font-size:clamp(30px,24px + 1.6vw,44px);font-weight:700;color:var(--ink);margin:0}.aiuse-lede{color:var(--ink-2)}.aiuse-prose{max-width:none}.aiuse-prose h2{font-family:sora,sans-serif;font-size:clamp(22px,18px + .9vw,28px);font-weight:700;color:var(--ink);margin:2em 0 .6em}.aiuse-prose h2:first-child{margin-top:0}.aiuse-prose p,.aiuse-prose li{color:var(--ink-2)}.aiuse-prose ul{padding-left:1.2em}.aiuse-prose li{margin:.3em 0}.aiuse-prose a{color:var(--blue-600)}.aiuse-prose a:hover{color:var(--blue-700)}.aiuse-foot{background:var(--surface);border-top:1px solid var(--line);padding:44px 0 30px;margin-top:0}.aiuse-foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}.af-about{max-width:52ch}.af-name{font-family:sora,sans-serif;font-weight:700;color:var(--ink);display:block;margin-bottom:8px}.af-note{color:var(--muted);font-size:clamp(14px,13px + .2vw,16px);margin:0}.af-links{display:flex;flex-direction:column;gap:8px}.af-h{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:2px}.af-links a{color:var(--blue-600);text-decoration:none;font-weight:500}.af-links a:hover{color:var(--blue-700)}.af-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:clamp(13px,12px + .2vw,15px)}.af-top{color:var(--muted);text-decoration:none}.af-top:hover{color:var(--ink)}