
.a578-longread .article-v574__body,.a578-letter__shell,.a578-course__body{font-size:17px;line-height:1.85;color:#26384b}.a578-longread .article-v574__body p,.a578-letter__shell p,.a578-course__body p{max-width:78ch}.a578-longread .article-v574__body h2,.a578-letter__shell h2,.a578-course__body h2{margin-top:42px;color:#102846;font-size:26px}.a578-action-box{margin:40px 0 12px;padding:24px;border-radius:20px;background:#eef6ff;border:1px solid #d8e8fb}.a578-action-box h2{margin-top:0!important}.a578-letter{padding:34px 16px 70px}.a578-letter__shell{width:min(860px,100%);margin:auto;background:#fff;border:1px solid #e1ebf4;border-radius:26px;padding:34px;box-shadow:0 14px 36px rgba(17,24,39,.06)}.a578-letter__shell>section{padding:4px 0 8px}.a578-course{padding:34px 16px 70px}.a578-course__hero,.a578-course__body{width:min(980px,100%);margin:auto}.a578-course__hero>div{padding:34px;border-radius:26px;background:linear-gradient(135deg,#eef6ff,#fff);border:1px solid #dce9f7}.a578-course__hero span{font-size:12px;font-weight:800;color:#1f67ff;letter-spacing:.08em}.a578-course__hero h1{margin:12px 0;font-size:clamp(30px,5vw,48px);line-height:1.2}.a578-course__hero a{display:inline-flex;margin-top:12px;color:#0b2d6b;font-weight:800}.a578-course__body{margin-top:22px;background:#fff;border:1px solid #e1ebf4;border-radius:26px;padding:34px}.a578-editorial-strip{width:min(1120px,calc(100% - 32px));margin:34px auto;padding:22px 26px;border-radius:22px;background:#0b2d6b;color:#fff;display:flex;gap:24px;align-items:center;justify-content:space-between}.a578-editorial-strip h2{color:#fff;margin:0 0 4px}.a578-editorial-strip p{color:#dce9ff;margin:0}.a578-editorial-strip a{color:#fff;font-weight:800}.blog-v574-tabs{flex-wrap:wrap}@media(max-width:767px){.a578-letter__shell,.a578-course__body{padding:22px;border-radius:20px}.a578-course__hero>div{padding:24px}.a578-longread .article-v574__body,.a578-letter__shell,.a578-course__body{font-size:16px;line-height:1.78}.a578-editorial-strip{display:grid;padding:20px}.a578-longread .article-v574__body h2,.a578-letter__shell h2,.a578-course__body h2{font-size:22px;margin-top:34px}}
