body {
  font-family: "Helvetica Neue", sans-serif;
  margin: 0;
  padding: 2rem;
  background-color: #f9f9f9;
  color: #333;
  background-color: #fff;
}
h1, h2 {
  color: #1a1a1a;
}
.section {
  margin-bottom: 3rem;
  margin: 0px 200px;
}
.image-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 1rem;
}
.image-container img {
  max-width: 95%;
  height: auto;
  margin: 1rem 0;
  /* border: 1px solid #ccc; */
  /* box-shadow: 0 2px 8px rgba(0,0,0,0.1); */
}
.author {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.abstract {
  background-color: #ffffff;
  padding: 1rem;
  border-left: 4px solid #007acc;
}
.centered {
  text-align: center;
}
.abstract {
  background-color: #ffffff;
  padding: 1rem;
  border-left: 4px solid #007acc;
  text-align: left; /* 添加这一行让内容左对齐 */
}
a {
  text-decoration: none;
  color: #1a73e8;
}
a:hover {
  color: #0049b7;
}
.abstract p {
  text-indent: 2em;
  /* background-color: #f1f1f1; */
  border-left: 4px solid #007acc;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem auto;
  max-width: 90%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  text-align: left;
  font-size: 16px;
  line-height: 1.6;
}
.section-divider {
  border: none;
  border-top: 5px dashed #ccc;
  margin: 2rem auto;
  width: 97%;
}
.module-description {
  background-color: #f1f1f1;
  border-left: 4px solid #007acc;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem auto;
  max-width: 90%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  text-align: left;
  font-size: 16px;
  line-height: 1.6;
}