.main_content {
  width: 100%;
  min-height: calc(100vh - 110px);
  background: url('2023zww_bac.png') center  top repeat-y;
}

.main_content_box {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  background-color: #fff;
  padding: 10px 25px;
  overflow: auto;
}


  .main_content_box::-webkit-scrollbar {
  /*滚动条整体样式*/
  width : 8px;  /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
  }
  .main_content_box::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius   : 8px;
  background-color: skyblue;
  background-image: -webkit-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.2) 25%,
      transparent 25%,
      transparent 50%,
      rgba(255, 255, 255, 0.2) 50%,
      rgba(255, 255, 255, 0.2) 75%,
      transparent 75%,
      transparent
  );
  }
  .main_content_box::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
 /* box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);*/
  background   : #ededed;
 /* border-radius: 6px;*/
  }

.nav_box {
  width: 100%;
  height: 37px;
  line-height: 37px;
  /* background-color: rgba(232, 232, 232, 1);
  border-radius: 12.5px; */
  border-bottom: 1px solid rgba(237, 237, 237, 1);
  padding: 0 10px;
}

.nav_active {
  color: rgba(42, 95, 201, 1)
}

.nav_ind,
.nav_ind a {
  color: rgba(102, 102, 102, 1)
}

.content_box .title {
  text-align: center;
  color: rgba(51, 51, 51, 1);
  font-size: 30px;
  font-weight: bold;
  padding: 20px 0;
}

.content_box .subtitle {
  color: rgba(153, 153, 153, 1);
  font-size: 14px;
  height: 40px;
  line-height: 40px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(153, 153, 153, 1);
}

.content_box .subtitle span {
  float: left;
}

.content_box .subtitle .l_info {
  width: 65%;
  padding-left: 10px;
}

.content_box .subtitle .r_info {
  width: 35%;
}

.content_box .subtitle .r_info .font_size span {
  padding: 0 5px;
  cursor: pointer;
}

.content_box .subtitle .r_info .font_size span:hover {
  color: rgba(42, 95, 201, 1);
}

.main_contentText {
  width: 100%;
  font-size: 16px;
  color: rgba(51, 51, 51, 1);
  line-height: 37px;
  font-weight: 400;
  margin: 0 auto;
}

.main_contentText p {
  margin: 0 0 10px;
}

.text_indent {
  text-indent: 2em;
}

.main_contentText .img {
  width: 600px;
  height: 300px;
  margin: 20px auto;
}

.main_contentText .img img {
  width: 100%;
  height: 100%;
}

.share_icon {
  display: inline-block;
  float: left;
  width: 25px;
  height: 25px;
  margin-right: 10px;
}

.share_icon img {
  width: 100%;
  height: 100%;
}

.share_box span {
  float: left;
}

.share_box {
  margin-left: 20px;
}