section {
  background: #180f0f;
  overflow: hidden;
}
.section_box {
  width: 19.2rem;
  height: 12.82rem;
  margin: 0 auto;
  background-repeat: no-repeat;

  background-size: contain;
  overflow: hidden;
}
.shiji_content {
  width: 15.18rem;
  height: 7.68rem;
  margin: 3.9rem auto 0;

  background-size: contain;
  position: relative;
  overflow: hidden;
}
.shiji_button_item img:last-of-type {
  display: none;
}
.encyclopedias_sidebar {
  position: absolute;
  top: 0px;
  right: 24px;
  z-index: 99;
  padding-top: 130px;
}
.shiji_button_item {
  cursor: pointer;
  width: 1.04rem;
  height: 0.42rem;
}
.shiji_button_item img {
  width: 100%;
  height: 100%;
}
.shiji_button_item + .shiji_button_item {
  margin-left: 0.12rem;
}
.shiji_button_item:hover img:first-of-type {
  display: none;
}
.shiji_button_item:hover img:last-of-type {
  display: block;
}
.shiji_button_item.active img:first-of-type {
  display: none;
}
.shiji_button_item.active img:last-of-type {
  display: block;
}
.shiji_buttons {
  display: flex;
  position: absolute;
  left: 3rem;
  top: 0.2rem;
}
.shiji_main {
  width: 12rem;
  height: 4.44rem;
  margin: 1.6rem auto 0;
}
.shiji_main_item {
  display: flex;
  width: 100%;
  display: none;
}
.shiji_main_item.active {
  display: flex;
}
.shiji_main_left {
  width: 3.33rem;
  height: 4.44rem;
  border: 5px solid #9e371a;
  box-sizing: border-box;
}
.shiji_main_left img {
  width: 100%;
  height: 100%;
}
.shiji_main_right {
  margin-left: 0.4rem;
  flex: 1;
  overflow: auto;
  height: 4.44rem;
  padding-right: 24px;
}
.shiji_main_right p {
  text-indent: 2em;
  font-family: MicrosoftYaHei;
  font-size: 0.15rem;
  color: #150f01;
  text-align: justify;
  line-height: 0.24rem;
}
.shiji_main_right p + p {
  margin-top: 10px;
}
.shiji_main_right::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.shiji_main_right::-webkit-scrollbar-thumb {
  border-radius: 5px;
  background: #dea91a;
}
.shiji_main_right::-webkit-scrollbar-thumb:hover {
  background: #ffdf4a;
}

.shiji_main_right::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  background: #8c6a36;
}
.red {
  color: #ce0a18;
}
b {
  font-weight: bold;
}