/* Technical and application article reading layout */
.article-page .page-head {
  padding: 24px 0;
  background: transparent;
}
.article-page .section--tight { padding-top: 8px; }
.article-page .article {
  max-width: 1080px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #dfE9f4;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 40px rgba(32, 74, 115, .045);
}
.article-page .article__header {
  position: relative;
  padding: 46px 64px 32px;
  border-bottom: 1px solid #e8eff7;
  background: linear-gradient(125deg, #f0f7ff, #fff 82%);
}
.article-page .article__header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 64px;
  width: 48px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: #0a6dcf;
}
.article-page .article h1 {
  max-width: 26em;
  margin: 0;
  color: #173653;
  font-size: clamp(25px, 2.5vw, 36px);
  line-height: 1.5;
  letter-spacing: .015em;
  overflow-wrap: anywhere;
}
.article-page .article__meta {
  align-items: center;
  gap: 12px 20px;
  margin-top: 22px;
  color: #526b83;
  font-size: 12px;
  line-height: 1.6;
}
.article-page .article__meta > span:first-child {
  padding: 5px 11px;
  border: 1px solid #dce9f7;
  border-radius: 6px;
  background: #f4f8fe;
  color: #526b83;
}
.article-page .article__meta a { color: inherit; }
.article-page .article__body {
  box-sizing: border-box;
  max-width: none;
  margin: 0;
  padding: 36px 64px 46px;
  color: #42576c;
  font-size: 16px;
  line-height: 2;
  overflow-wrap: break-word;
}
.article-page .article__body > :first-child { margin-top: 0; }
.article-page .article__body > :last-child { margin-bottom: 0; }
.article-page .article__body p { margin: 0 0 22px; }
.article-page .article__body h2 {
  position: relative;
  padding: 12px 18px 12px 22px;
  margin: 40px 0 22px;
  border: 1px solid #e3edf8;
  border-radius: 8px;
  background: linear-gradient(90deg, #f0f6fe, #fafcff);
  color: #1c4367;
  font-size: 21px;
  line-height: 1.6;
}
.article-page .article__body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: #0a6dcf;
}
.article-page .article__body h3 {
  margin: 30px 0 14px;
  color: #224b70;
  font-size: 18px;
  line-height: 1.7;
}
.article-page .article__body h4 { margin: 26px 0 12px; font-size: 16px; color: #254967; }
.article-page .article__body strong { color: #284966; }
.article-page .article__body ul,
.article-page .article__body ol { margin: 18px 0 26px; padding-left: 25px; }
.article-page .article__body li { padding-left: 4px; margin: 9px 0; }
.article-page .article__body li::marker { color: #526b83; }
.article-page .article__body blockquote {
  margin: 26px 0;
  padding: 20px 24px;
  border-left: 3px solid #83b1dc;
  border-radius: 0 10px 10px 0;
  background: #f4f8fd;
  color: #52718d;
}
.article-page .article__body blockquote p:last-child { margin-bottom: 0; }
.article-page .article__body img {
  display: block;
  box-sizing: border-box;
  max-width: 100%;
  height: auto;
  margin: 28px auto 16px;
  border: 1px solid #e2ebf5;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(34, 77, 122, .045);
}
.article-page .article__body .article__image-caption {
  margin-top: -8px;
  margin-bottom: 28px;
  color: #526b83;
  font-size: 12px;
  text-align: center;
}
.article-page .article__table {
  max-width: 100%;
  margin: 26px 0;
  overflow-x: auto;
  border: 1px solid #dce7f3;
  border-radius: 10px;
  -webkit-overflow-scrolling: touch;
}
.article-page .article__body table { margin: 24px 0; font-size: 14px; line-height: 1.8; }
.article-page .article__table table { min-width: 520px; margin: 0; }
.article-page .article__body th,
.article-page .article__body td { padding: 13px 16px; border-color: #e1eaf4; }
.article-page .article__body th { background: #edf4fc; color: #2e5275; }
.article-page .article__body tr:nth-child(even) td { background: #f9fbfe; }
.article-page .article__body a:not(.btn),
.article-page .article__body a:not(.btn):visited,
.article-page .article__body a:not(.btn):hover { color: inherit; }
.article-page .article__body a:not(.btn):hover { text-decoration: underline; text-underline-offset: 3px; }
.article-page .article .prevnext {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 26px 40px;
  border-top: 1px solid #e5edf6;
  background: #fbfcfe;
}
.article-page .prevnext > span {
  display: block;
  padding: 16px 20px;
  border: 1px solid #e0eaf5;
  border-radius: 10px;
  background: #fff;
  color: #526b83;
  font-size: 12px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.article-page .prevnext a {
  display: block;
  margin-top: 5px;
  color: #325b80;
  font-size: 14px;
  line-height: 1.7;
}
.article-page .prevnext a:hover { color: #0a6dcf; }
.article-page .block-head { margin-top: 48px; border-top-color: #dbe6f2; }
@media (max-width: 980px) {
  .article-page .article__header { padding: 34px 36px 28px; }
  .article-page .article__header::before { left: 36px; }
  .article-page .article__body { padding: 30px 36px 36px; }
  .article-page .article .prevnext { padding: 24px; }
}
@media (max-width: 640px) {
  .article-page .page-head { padding: 18px 0; }
  .article-page .article { border-radius: 14px; }
  .article-page .article__header { padding: 28px 20px 24px; }
  .article-page .article__header::before { left: 20px; width: 36px; }
  .article-page .article h1 { font-size: 25px; line-height: 1.5; }
  .article-page .article__meta { margin-top: 18px; gap: 10px; font-size: 12px; }
  .article-page .article__body { padding: 26px 20px 30px; font-size: 15px; line-height: 1.95; }
  .article-page .article__body p { margin-bottom: 20px; }
  .article-page .article__body h2 { margin-top: 30px; padding: 10px 14px 10px 17px; font-size: 18px; }
  .article-page .article__body h3 { font-size: 16px; }
  .article-page .article__body blockquote { padding: 16px; }
  .article-page .article .prevnext { grid-template-columns: 1fr; gap: 10px; padding: 18px; }
  .article-page .prevnext > span { padding: 13px 15px; }
  .article-page .article__body th,
  .article-page .article__body td { padding: 10px 12px; }
}