.site-main {
  min-height: 620px;
  background: #f7faf9;
}

.blog-hero {
  padding: 76px 24px 58px;
  background: linear-gradient(180deg, #ecfaf6 0%, #f7faf9 100%);
  text-align: center;
}

.blog-hero h1 {
  margin: 0;
  color: #1f2b2c;
  font-size: 38px;
  line-height: 1.25;
}

.blog-hero p {
  max-width: 620px;
  margin: 16px auto 0;
  color: #667575;
  font-size: 16px;
  line-height: 1.8;
}

.blog-container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.news-wrap { padding: 24px 0 96px; }

.features {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 52px;
  align-items: start;
}

.features .left {
  position: sticky;
  top: 24px;
}

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

.features .left a {
  display: block;
  padding: 14px 16px;
  border-left: 3px solid transparent;
  color: #617170;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.features .left a.active,
.features .left a:hover,
.features .left a:focus-visible {
  border-left-color: var(--site-brand);
  color: var(--site-brand);
}

.right {
  min-width: 0;
  padding: 12px 0 0;
}

.newsc > h2,
.blog-detail .title {
  margin: 0 0 28px;
  color: #1f2b2c;
  font-size: 28px;
  line-height: 1.35;
}

.newsc > ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #dce7e3;
}

.blog-empty {
  margin: 0;
  padding: 52px 24px;
  border: 1px solid #dce7e3;
  border-radius: 12px;
  color: #74817e;
  text-align: center;
  background: #f7fbfa;
}

.newsc > ul > li {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
  min-height: 174px;
  padding: 24px 0;
  border-bottom: 1px solid #dce7e3;
}

.news-thumbnail {
  display: block;
  overflow: hidden;
  border-radius: 6px;
  background: #e8f2ef;
}

.news-thumbnail img {
  display: block;
  width: 100%;
  height: 126px;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.news-thumbnail:hover img { transform: scale(1.03); }

.news-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.news-copy h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

.news-copy h3 a {
  color: #253334;
  text-decoration: none;
}

.news-copy h3 a:hover,
.news-copy h3 a:focus-visible,
.news-excerpt a { color: var(--site-brand); }

.news-excerpt {
  margin: 11px 0 0;
  color: #6b7877;
  font-size: 15px;
  line-height: 1.75;
}

.news-excerpt a {
  margin-left: 4px;
  font-weight: 600;
  text-decoration: none;
}

.news-date {
  margin-top: auto;
  padding-top: 12px;
  color: #8a9695;
  font-size: 14px;
  text-align: right;
}

.pages {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 38px;
  color: #73817f;
}

.blog-detail {
  max-width: 780px;
}

.post-time {
  margin: -12px 0 30px;
  color: #899594;
  font-size: 14px;
}

.content {
  color: #425150;
  font-size: 16px;
  line-height: 1.9;
}

.content img { height: auto; }
.content a { color: var(--site-brand); }

.article-nav {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid #dce7e3;
  border-bottom: 1px solid #dce7e3;
  color: #637271;
}

.article-nav p { margin: 8px 0; }
.article-nav a { color: #465554; text-decoration: none; }
.article-nav a:hover { color: var(--site-brand); }

.blog-detail-back {
  display: inline-flex;
  margin-top: 30px;
  color: var(--site-brand);
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 760px) {
  .blog-hero { padding: 56px 20px 42px; }
  .blog-hero h1 { font-size: 30px; }
  .blog-container { width: min(100% - 36px, 620px); }
  .news-wrap { padding: 8px 0 64px; }
  .features { display: block; }
  .features .left { position: static; margin: 0 0 20px; }
  .features .left a { display: inline-block; padding: 10px 0; }
  .right { padding-top: 0; }
  .newsc > h2, .blog-detail .title { margin-bottom: 20px; font-size: 24px; }
  .newsc > ul > li { grid-template-columns: 116px minmax(0, 1fr); gap: 16px; min-height: 120px; padding: 16px 0; }
  .news-thumbnail img { height: 84px; }
  .news-copy h3 { font-size: 16px; }
  .news-excerpt { display: none; }
  .news-date { padding-top: 4px; font-size: 13px; }
}