/* single post page */
.jumbotron {
    padding: 1rem 0;
}
.jumbotron .breadcrumb {
  margin-top: 0;
}
.single-post {
  margin-bottom: 2rem;
}
.single-post h1 {
  font-size: 24px;
  font-weight: 700;
  color: #222;
  border-left: 5px solid #007bff;
  padding-left: 10px;
  margin-top: 40px;
  margin-bottom: 20px;
}
.single-post .post-date {
  color: #888; /* 弱化次要信息 */
  font-size: 14px;
  margin-top: 30px;
  border-top: 1px solid #eee;
  padding-top: 15px;
  text-align: right; /* 日期右对齐更规整 */
}
/* 
  .single-post  h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background-color: #007bff;
  } */
.single-post p {
  margin-bottom: 1rem;
}
/* 轴承结构示意图容器 */
.single-post figure.wrap_thumb {
  text-align: center;
  margin: 20px 0;
}

.single-post figure.wrap_thumb img {
  max-width: 100%;
  height: auto;
  border: 1px solid #eee;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.single-post h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.single-post .post-content {
  color: #555;
  padding-bottom: 2rem;
}

.single-post .post-content ul {
  margin-bottom: 1rem;
}
.single-post .post-content a {
  font-family: 'Open Sans', sans-serif;
  text-decoration: underline;
  color: #003861;
}
.single-post .post-content h3,
.single-post .post-content h3 a {
  font-size: 1.75rem;
  font-family: 'Oswald';
}
.single-post .post-content li {
  list-style: inside;
  list-style-position: inside;
  padding-left: 10px;
  line-height: 1.5;
  margin-bottom: 5px;
}

.single-post .post-content p,
.single-post .post-content div {
  margin-bottom: 1rem;
}

.single-post .post-content p strong {
  color: #333;
}

.post-date {
  margin-bottom: 10px;
  font-size: 14px;
  font-family: 'Roboto Mono';
  color: #888;
}