.site-main {
  min-height: calc(100vh - 45px);
  padding: 54px 20px 90px;
  background: #f7f9fb;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
}

.news-wrap {
  overflow: hidden;
  border: 1px solid #e7ebef;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 45px rgba(21, 59, 95, 0.08);
}

.features {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
}

.features .left {
  padding: 34px 20px;
  border-right: 1px solid #e8e8e8;
  background: #fbfcfd;
}

.features .left ul,
.article-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.features .left a {
  display: block;
  padding: 11px 15px;
  border-radius: 5px;
  color: #555;
}

.features .left a.active {
  background: #4ea1fc;
  color: #fff;
}

.features .right {
  min-width: 0;
  padding: 42px 48px 58px;
}

.news-page-heading {
  margin-bottom: 34px;
  text-align: center;
}

.news-page-heading h1,
.blog-detail .title {
  margin: 0;
  color: #222;
  font-size: 32px;
  font-weight: 500;
  line-height: 1.4;
}

.news-page-heading p {
  max-width: 680px;
  margin: 10px auto 0;
  color: #777;
}

.newsc > h2 {
  margin: 0 0 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid #4ea1fc;
  font-size: 22px;
  font-weight: 500;
}

.article-list > li {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid #e8e8e8;
}

.post-thumb {
  flex: 0 0 220px;
  height: 132px;
  overflow: hidden;
  border-radius: 8px;
  background: #eaf3fd;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-thumb a:hover img {
  transform: scale(1.035);
}

.post-summary {
  flex: 1;
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.post-summary h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.5;
}

.post-summary h3 a:hover,
.read-more,
.content a,
.article-nav a,
.blog-detail-back {
  color: #4ea1fc;
}

.post-summary p {
  margin: 0;
  color: #777;
  font-size: 15px;
  line-height: 1.8;
}

.post-date {
  align-self: flex-end;
  margin-top: auto;
  color: #999;
  font-size: 14px;
}

.pages {
  margin-top: 32px;
  text-align: center;
}

.pages a,
.pages span {
  display: inline-flex;
  min-width: 36px;
  height: 36px;
  margin: 3px;
  padding: 0 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid #dde3e8;
  border-radius: 4px;
  background: #fff;
}

.pages a:hover,
.pages .active,
.pages .current {
  border-color: #4ea1fc;
  background: #4ea1fc;
  color: #fff;
}

.blog-detail .title {
  text-align: center;
}

.post-time {
  margin: 10px 0 38px;
  color: #999;
  text-align: center;
}

.content {
  overflow-wrap: anywhere;
  color: #444;
  font-size: 16px;
  line-height: 1.95;
}

.content h2 {
  margin: 34px 0 12px;
  color: #222;
  font-size: 24px;
}

.content h3 {
  margin: 28px 0 10px;
  color: #222;
  font-size: 20px;
}

.content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 24px auto;
  border-radius: 6px;
}

.content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.content th,
.content td {
  padding: 10px 12px;
  border: 1px solid #e3e7eb;
}

.content blockquote {
  margin: 22px 0;
  padding: 12px 18px;
  border-left: 4px solid #4ea1fc;
  background: #f4f8fd;
  color: #666;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid #e8e8e8;
}

.article-nav p {
  margin: 0;
}

.article-nav p:last-child {
  text-align: right;
}

.blog-detail-back {
  display: inline-block;
  margin-top: 28px;
}

@media (max-width: 750px) {
  .site-main {
    padding: 24px 12px 55px;
  }

  .features {
    display: block;
  }

  .features .left {
    padding: 14px;
    border-right: 0;
    border-bottom: 1px solid #e8e8e8;
  }

  .features .left a {
    padding: 8px 12px;
    text-align: center;
  }

  .features .right {
    padding: 30px 18px 42px;
  }

  .news-page-heading h1,
  .blog-detail .title {
    font-size: 26px;
  }

  .article-list > li {
    display: block;
  }

  .post-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 5 / 3;
    margin-bottom: 16px;
  }

  .post-date {
    align-self: flex-start;
    margin-top: 12px;
  }

  .article-nav {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .article-nav p:last-child {
    text-align: left;
  }
}