.learn-article{max-width:820px;margin:30px auto}.learn-article h1{font-size:clamp(32px,5vw,56px);line-height:1.12}.learn-article p,.learn-article li,.learn-article dd{font-size:17px;line-height:1.75;color:#ddd}.learn-article h2{margin-top:46px;font-size:28px}.learn-article h3{font-size:19px}.learn-meta{color:#aaa!important;font-size:14px!important}.learn-intro{font-size:21px;line-height:1.6;max-width:840px}.learn-actions{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin:28px 0}.learn-actions .button{width:auto}.learn-toc,.learn-exercise{padding:22px;border:1px solid #484848;border-radius:14px;background:#202020}.learn-toc h2{margin-top:0}.learn-exercise{margin:24px 0;border-left:4px solid #D4B46A}.learn-exercise h3{margin-top:0}.learn-diagram{width:100%;margin:20px 0;display:block}.learn-article dt{font-weight:700;margin-top:16px}.learn-article dd{margin:3px 0 20px}a{overflow-wrap:anywhere}footer{margin:55px 0;color:#aaa}section{scroll-margin-top:24px}