.about-shell{max-width:1120px;margin:0 auto;padding:72px 28px 100px}.about-intro{border-bottom:1px solid var(--line);max-width:850px;padding-bottom:56px}.about-intro h1{letter-spacing:-.045em;margin:24px 0;font-size:clamp(34px,5vw,60px);line-height:1.2}.about-intro p{color:var(--muted);font-size:17px;line-height:1.95}.about-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:64px;margin-top:56px;display:grid}.about-toc{font-size:13px;line-height:1.7;position:sticky;top:28px}.about-toc strong{font-size:14px}.about-toc ol{color:var(--muted);margin:18px 0 0;padding-left:20px}.about-toc li{padding:6px 0 6px 3px}.about-toc a:hover,.about-action>a:last-child:hover{color:var(--red)}.about-article section{margin-bottom:48px;scroll-margin-top:28px}.about-article h2{letter-spacing:-.025em;margin:0 0 20px;font-size:26px;line-height:1.45}.about-article p{color:#505867;overflow-wrap:anywhere;margin:14px 0;font-size:16px;line-height:2}.about-article blockquote{border-left:3px solid var(--red);color:#333b48;background:#fff7f3;border-radius:0 14px 14px 0;margin:24px 0;padding:22px 26px;font-size:18px;line-height:1.9}.about-action{border-top:1px solid var(--line);align-items:center;gap:24px;padding-top:30px;font-size:14px;display:flex}.about-page a:focus-visible{outline:2px solid var(--red);outline-offset:5px;border-radius:3px}@media (max-width:800px){.about-shell{padding:44px 22px 64px}.about-layout{grid-template-columns:1fr;gap:36px;margin-top:30px}.about-toc{border-bottom:1px solid var(--line);padding-bottom:24px;position:static}.about-intro{padding-bottom:30px}.about-article h2{font-size:23px}.about-action{flex-wrap:wrap}}