/* Page shells: full-width backgrounds and three distinct content limits. */
:root{--ar-header-width:1750px;--ar-content-width:1500px;--ar-footer-width:1350px;--ar-layout-gutter:24px}
body .container{box-sizing:border-box;width:min(var(--ar-content-width),calc(100% - 2*var(--ar-layout-gutter)))!important;max-width:var(--ar-content-width)!important;margin-inline:auto}
body :is(.site-header,.topline,.portal-subnav) .container,body .portal-hero.container{width:min(var(--ar-header-width),calc(100% - 2*var(--ar-layout-gutter)))!important;max-width:var(--ar-header-width)!important}
body footer .container{width:min(var(--ar-footer-width),calc(100% - 2*var(--ar-layout-gutter)))!important;max-width:var(--ar-footer-width)!important}
body .container .container{width:100%!important;max-width:none!important;min-width:0;margin-inline:0}
body main .prose{width:100%;min-width:0}
body main .prose>:is(p,ul,ol){max-width:none}
.ai-site-note{padding-block:18px;border-top:1px solid #324d7d}
.ai-site-note p{margin:0;font-size:14px;line-height:1.7;color:#dce4f4}
@media(max-width:600px){:root{--ar-layout-gutter:16px}}