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.site-header__end{display:none}.site-header[data-mode=mobile] .site-header__menu-btn{display:grid}.theme-menu{position:relative}.theme-menu__list{position:absolute;right:0;top:calc(100% + 6px);min-width:160px;padding:4px;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.theme-menu__list button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--ink-muted);font:inherit;font-size:14px;font-weight:500;text-align:left;cursor:pointer}.theme-menu__list button:hover{background:var(--surface-sunken);color:var(--ink)}.theme-menu__list button[aria-checked=true]{color:var(--ink);background:var(--primary-soft)}.site-menu,.site-menu__backdrop{display:none}.site-menu__inner{display:flex;flex-direction:column;gap:20px;padding-block:8px 24px}.site-menu__nav{display:flex;flex-direction:column}.site-menu__link{padding:14px 4px;font-size:17px;font-weight:600;color:var(--ink-muted);text-decoration:none;border-bottom:1px solid var(--line);border-radius:var(--radius-sm)}.site-menu__link:hover{color:var(--ink)}.site-menu__link.is-active{color:var(--primary)}.site-menu__controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.site-menu__controls .lang-select{flex:1 1 auto}.site-menu__controls .lang-select select{width:100%}.site-menu__actions{display:flex;flex-direction:column;gap:8px}.site-menu__actions .ap-btn{justify-content:center}.site-header[data-mode=narrow] .site-menu{display:block;position:absolute;top:calc(100% + 6px);right:max(24px,calc((100% - 1200px)/2 + 24px));width:300px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.site-header[data-mode=narrow] .site-menu[hidden]{display:none}.site-header[data-mode=narrow] .site-menu__inner{max-width:none;padding:16px;gap:16px}.site-header[data-mode=narrow] .site-menu__nav{display:none}.site-header[data-mode=narrow] .site-menu__backdrop{display:block;position:fixed;inset:0;z-index:-1}.site-header[data-mode=mobile] .site-menu{display:block;position:absolute;left:0;right:0;top:100%;max-height:calc(100vh - 100%);max-height:calc(100dvh - 100%);overflow-y:auto;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg)}.site-header[data-mode=mobile] .site-menu[hidden]{display:none}.site-header[data-mode=mobile] .site-menu__backdrop{display:block;position:fixed;inset:0;z-index:-1;background:#0006}.theme-toggle{display:inline-flex;gap:2px;padding:2px;background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius-md)}.theme-toggle button{width:36px;height:36px;display:grid;place-items:center;padding:0;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--ink-muted);cursor:pointer;transition:background-color .12s,color .12s}.theme-toggle button:hover{color:var(--ink)}.theme-toggle button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.lang-select{position:relative;display:inline-flex;align-items:center;height:42px;background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--ink-muted)}.lang-select>svg{position:absolute;top:50%;transform:translateY(-50%);pointer-events:none}.lang-select__globe{left:10px}.lang-select__chev{right:8px}.lang-select select{appearance:none;-webkit-appearance:none;height:100%;margin:0;padding:0 28px 0 34px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:500;line-height:1;cursor:pointer}.lang-select select:hover{background:var(--surface)}.lang-select select:focus-visible{outline:none;box-shadow:var(--focus-ring)}.site-footer{background:var(--surface);border-top:1px solid var(--line)}.site-footer__inner{display:flex;flex-direction:column;gap:32px;padding-block:48px 32px}.site-footer__cols{display:flex;flex-wrap:wrap;gap:32px 64px;justify-content:space-between}.site-footer__nav{display:flex;flex-wrap:wrap;gap:32px 64px}.site-footer__col{display:flex;flex-direction:column;gap:8px;font-size:14px}.site-footer__legal{padding-top:24px;border-top:1px solid var(--line);font-size:13px;line-height:18px;color:var(--ink-muted)}.segmented{display:inline-flex;gap:4px;padding:4px;background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius-md)}.segmented button{font:inherit;font-size:14px;font-weight:600;height:36px;padding:0 16px;border:0;border-radius:var(--radius-sm);cursor:pointer;background:transparent;color:var(--ink-muted)}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.choice{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--surface);cursor:pointer}.choice:has(input:checked){border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary);background:var(--primary-soft)}.choice input{margin:3px 0 0;width:18px;height:18px;accent-color:var(--primary);flex:none}.brand-band{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;padding:56px;background:var(--brand-midnight);border-radius:var(--radius-lg)}.brand-band h2{color:#fff}.brand-band p{color:var(--brand-periwinkle)}.brand-band .ap-btn{background:#fff;color:var(--brand-midnight)}@media(max-width:640px){.brand-band{padding:32px 24px}}.faq{border-top:1px solid var(--line)}.faq details{padding:16px 0;border-bottom:1px solid var(--line)}.faq summary{font-weight:600;font-size:16px;line-height:24px}.faq details p{margin-top:8px;color:var(--ink-muted)}.avatar{width:48px;height:48px;flex:none;border-radius:var(--radius-full);display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);font-weight:600}.auth{min-height:100vh;display:flex;flex-wrap:wrap}.auth__aside{flex:1 1 480px;min-width:0;padding:48px 56px;background:var(--brand-midnight);display:flex;flex-direction:column;justify-content:space-between;gap:48px}.auth__aside a{color:#fff}.auth__main{flex:1 1 480px;min-width:0;padding:48px 24px;display:flex;align-items:center;justify-content:center;position:relative}.auth__toggle{position:absolute;top:24px;right:24px;display:flex;gap:8px;align-items:center}.auth__form{width:100%;max-width:400px;display:flex;flex-direction:column;gap:24px}@media(max-width:640px){.auth__aside{padding:32px 24px}.auth__main{padding-top:88px}}.divider{display:flex;align-items:center;gap:12px;color:var(--ink-muted);font-size:13px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.chat{display:flex;flex-direction:column;background:var(--bg)}.chat__head{display:flex;gap:10px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--surface)}.chat__log{margin:0;padding:20px;list-style:none;display:flex;flex-direction:column;gap:12px;flex:1;min-height:280px}.bubble{max-width:85%;padding:10px 14px;font-size:14px;line-height:20px}.bubble--bot{align-self:flex-start;border-radius:10px 10px 10px 4px;background:var(--surface);color:var(--ink);border:1px solid var(--line)}.bubble--user{align-self:flex-end;border-radius:10px 10px 4px;background:var(--primary);color:var(--on-primary)}.chip{font:inherit;font-size:13px;line-height:18px;padding:6px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-full);background:var(--surface);color:var(--ink);cursor:pointer}.chip:hover{background:var(--surface-sunken)}.toc{flex:1 1 220px;max-width:280px;display:flex;flex-direction:column;gap:12px}.toc ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line)}.toc a{display:block;padding:6px 12px;font-size:14px;line-height:20px;text-decoration:none;color:var(--ink-muted)}.toc a:hover{color:var(--ink)}.legal-body{flex:999 1 560px;min-width:0;max-width:760px;display:flex;flex-direction:column;gap:32px}.legal-body section{display:flex;flex-direction:column;gap:10px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:24px}.legal-body h2{font-size:20px;line-height:26px;font-weight:600}.legal-body p,.legal-body ul{max-width:70ch}.legal-body ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}