.main_content {
  width: 1200px;
  line-height: 16px;
}
.main_list {
  width: 100%;
  margin-bottom: 50px;
}
.main_item {
  display: flex;
  align-items: center;
}
.main_item_img {
  width: 52px;
  height: 48px;
  margin-right: 56px;
}
.main_item_img img {
  width: 100%;
  height: 100%;
}
.main_item_paragraph {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  border-bottom: 1px solid #bbd3df;
  padding: 20px 0;
  box-sizing: border-box;
  background-color: transparent;
  transition: all 0.3s ease;
}
.main_item_paragraph:hover {
  padding-left: 20px;
  background-color: #bee4fd;
}
@media (max-width: 1220px) {
  .main_content {
    width: 800px;
  }
}
@media (max-width: 819px) {
  .main_content {
    width: 100%;
  }
  .main_list {
    margin-bottom: 20px;
  }
  .main_item_img {
    margin-right: 25px;
  }
  .main_item_paragraph:hover {
    padding-left: 0px;
  }
}