body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 24px 16px 40px;
    background: #f7f8fa;
    color: #111827;
}

.article {
    max-width: 960px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 12px;
    padding: 24px 20px 32px;
    box-sizing: border-box;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.article-rubric {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6b4cff;
    margin-bottom: 8px;
}

.article-title {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #111827;
}

.article-announce {
    background: #f3f4ff;
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 14px;
    margin-bottom: 20px;
}

.article-announce ol {
    margin: 0;
    padding-left: 20px;
}

.article-announce li {
    margin-bottom: 6px;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.article-author-photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.article-author-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-author-text {
    font-size: 14px;
}

.article-author-name {
    font-weight: 600;
}

.article-author-post {
    display: block;
    font-size: 13px;
    color: #6b7280;
    margin-top: 2px;
}

.article-body {
    font-size: 15px;
    line-height: 1.7;
}

.article-body p {
    margin: 0 0 14px;
}

.article-body h2 {
    font-size: 20px;
    margin: 26px 0 12px;
    font-weight: 650;
}

.article-body h3 {
    font-size: 17px;
    margin: 22px 0 10px;
    font-weight: 600;
}

.article-body a {
    color: #2563eb;
    text-decoration: none;
}

.article-body a:hover {
    text-decoration: underline;
}

.info-block {
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 14px;
    margin: 18px 0;
}

.info-block.reminder {
    background: #fef9c3;
    border-left: 3px solid #facc15;
}

.info-block.remark {
    background: #eef2ff;
    border-left: 3px solid #4f46e5;
}

.info-block.example {
    background: #ecfeff;
    border-left: 3px solid #06b6d4;
}

.poll {
    margin: 18px 0;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f9fafb;
    border: 1px dashed #d1d5db;
    font-size: 14px;
    text-align: center;
}

.poll img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 6px;
}

.poll .poll-caption {
    font-weight: 600;
    color: #b91c1c;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 6px;
}

img.responsive-img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 8px 0;
}

.material-link {
    margin-top: 6px;
}

.material-link a {
    font-size: 14px;
    font-weight: 500;
}
.embed-block {
    margin-top: 8px;
}

.embed-block iframe {
    width: 100%;
    min-height: 430px; /* при необходимости можно увеличить/уменьшить */
    border: none;
    display: block;
}