.content-page {
  min-height: 100vh;
  background: var(--canvas);
}

.content-header {
  background: #fff;
  box-shadow: 0 1px 0 rgba(24, 33, 45, 0.1);
}

.content-page-main {
  padding-top: 76px;
}

.page-intro {
  padding: 72px 0 46px;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-intro-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  align-items: end;
  gap: 64px;
}

.page-intro h1 {
  margin-bottom: 12px;
  font-size: 46px;
}

.page-intro p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
}

.content-source {
  justify-self: end;
  color: #718091;
  font-size: 12px;
}

.content-source strong {
  color: var(--green);
}

.article-browser {
  padding: 54px 0 90px;
}

.article-controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 220px auto;
  gap: 12px;
  margin-bottom: 34px;
}

.search-control {
  position: relative;
}

.search-control i {
  position: absolute;
  top: 50%;
  left: 16px;
  color: #788594;
  transform: translateY(-50%);
}

.search-control input,
.article-controls select {
  width: 100%;
  height: 48px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.search-control input {
  padding: 0 16px 0 44px;
}

.article-controls select {
  padding: 0 38px 0 14px;
}

.search-control input:focus,
.article-controls select:focus {
  outline: 3px solid rgba(36, 95, 206, 0.16);
  border-color: var(--blue);
}

.article-count {
  min-width: 100px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: #eef2f0;
  border: 1px solid #dbe3df;
  border-radius: 4px;
  font-size: 13px;
}

.article-list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-list-grid .article-card {
  min-width: 0;
}

.article-list-grid .article-image {
  aspect-ratio: 16 / 9;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 42px;
}

.pagination button {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.pagination button:hover:not(:disabled),
.pagination button.active {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.article-detail-shell {
  padding: 52px 0 90px;
}

.article-detail {
  max-width: 860px;
  margin: 0 auto;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 14px;
}

.article-back:hover {
  color: var(--blue);
}

.article-detail-header {
  margin-bottom: 34px;
}

.article-detail-header h1 {
  margin-bottom: 20px;
  font-size: 46px;
  line-height: 1.2;
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 13px;
}

.article-detail-meta span:first-child {
  color: var(--blue);
  font-weight: 700;
}

.article-detail-cover {
  width: 100%;
  aspect-ratio: 16 / 8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 42px;
  padding: 44px;
  overflow: hidden;
}

.article-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.article-markdown {
  color: #303a46;
  font-size: 17px;
  line-height: 1.9;
}

.article-markdown h1 {
  display: none;
}

.article-markdown h2 {
  margin: 48px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 28px;
}

.article-markdown h3 {
  margin: 32px 0 12px;
  font-size: 21px;
}

.article-markdown p,
.article-markdown ul,
.article-markdown ol,
.article-markdown blockquote {
  margin-bottom: 20px;
}

.article-markdown pre {
  margin-bottom: 24px;
  padding: 20px;
  overflow-x: auto;
  color: #22313f;
  background: #edf1f3;
  border-left: 3px solid var(--blue);
}

.article-markdown code {
  color: #b33a52;
  font-family: Consolas, "SFMono-Regular", monospace;
}

.article-markdown pre code {
  color: inherit;
}

.article-markdown blockquote {
  padding: 4px 0 4px 20px;
  color: var(--muted);
  border-left: 3px solid var(--coral);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-tags span {
  padding: 4px 9px;
  color: #506273;
  background: #edf2f0;
  border-radius: 3px;
  font-size: 12px;
}

.article-not-found {
  padding: 80px 20px;
  text-align: center;
}

.article-not-found h1 {
  margin-bottom: 12px;
  font-size: 32px;
}

@media (max-width: 991px) {
  .content-page-main {
    padding-top: 70px;
  }

  .page-intro-inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .content-source {
    justify-self: start;
  }

  .article-list-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .page-intro {
    padding: 52px 0 36px;
  }

  .page-intro h1,
  .article-detail-header h1 {
    font-size: 34px;
  }

  .article-controls {
    grid-template-columns: 1fr;
  }

  .article-count {
    justify-content: flex-start;
    min-width: 0;
    height: auto;
    padding: 8px 12px;
  }

  .article-list-grid {
    grid-template-columns: 1fr;
  }

  .article-detail-shell {
    padding: 38px 0 68px;
  }

  .article-detail-cover {
    aspect-ratio: 16 / 10;
    padding: 24px;
  }

  .article-markdown {
    font-size: 16px;
  }
}