.section-container {
  margin: 5rem 10rem;
  padding: 5.5rem;
  border-radius: 2.4rem;
  background-color: var(--white-primary);
}
.article-title {
  font-size: 3rem;
  line-height: 1.5;
  text-align: center;
  font-family: "SourceHanSansCN-Bold";
}
.split-line {
  margin: 4rem 0;
}
.sub-title h3 {
  color: var(--font-color-2);
  font-family: "SourceHanSansCN-Bold";
  font-size: 2.4rem;
  line-height: 2.8rem;
}
.sub-title p {
  margin-top: 1rem;
  color: var(--font-color-3);
  font-size: 1.6rem;
  line-height: 1.5;
}
.content-split-line {
  margin: 3rem 0 2rem 0;
  position: relative;
  overflow: visible;
  opacity: 1;
  border-color: #ccc;
}
.content-split-line::before { 
  content: "";
  position: absolute;
  width: 10rem;
  height: 10px;
  bottom: 0;
  left: 0;
  background-color: var(--red-light-1);
}
.mce-container {
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--font-color-2);
}
.mce-container h2, 
.mce-container h3,
.mce-container h4{
  color: var(--red-primary-current);
  font-weight: normal;
  margin-bottom: 3.4rem;
}
.mce-container img {
  max-width: 100%;
  object-fit: contain;
}
.mce-container a {
  color: #0066cc;
}
.mce-container ul li {
  list-style-type: disc;
}
.mce-container ol li {
  list-style-type: decimal;
}
.mce-container p strong {
  font-weight: bold;
  line-height: 1.8;
}

@media screen and (max-width: 767px) { 
  .product-banner {
    margin-bottom: 30px;
  }
  .section-container {
    margin: 10px 20px;
    padding: 20px;
    border-radius: 20px;
  }
  .article-title {
    font-size: 24px;
  }
  .split-line {
    margin: 24px 0;
  }
  .sub-title h3 {
    font-size: 20px;
    line-height: 26px;
  }
  .sub-title p {
    margin-top: 10px;
    font-size: 16px;
  }
  .content-split-line {
    margin: 30px 0 20px 0;
  }
  .content-split-line::before {
    width: 100px;
  }
  .mce-container {
    font-size: 16px;
    line-height: 1.7;
  }
  .mce-container ul,
  .mce-container ol {
    padding-left: 20px;
  }
}