.index_main {
  width: 100%;
  margin-top: 4px;
}

.media {
  width: 100%;
  display: block;
  margin: 0 auto;
}

.media .media-content {
  line-height: 1;
}

.content-left {
  width: calc((100% - 5px) / 2 - 30px);
  margin-bottom: 4px;
  display: inline-block;
  /* height: 214px; */
  vertical-align: top;
}

.content-left .left-top {
  position: relative;
  /* height: calc((100% - 4px) / 2); */
}

.content-left .left-bottom {
  position: relative;
  /* height: calc((100% - 4px) / 2); */
  margin-top: 4px;
}

.content-right {
  width: calc((100% - 5px) / 2 + 30px);
  /* height: 214px; */
  position: relative;
  margin-bottom: 4px;
  display: inline-block;
  vertical-align: top;
}

.content-center {
  width: 100%;
  position: relative;
}

.index_main img {
  width: 100%;
  /* height: 100%; */
}

.media .fixed {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-size: 13px;
  font-weight: 400;
  line-height: 18px;
  color: rgba(0, 0, 0, 1);
  opacity: 1;
  background: skyblue;
  padding: 4px 10px 4px 5px;
  background: rgba(255, 255, 255, 0.8);
}