.page_down .tit {
  font-weight: 400;
  font-size: 65px;
  color: var(--color-main);
  line-height: 1.3;
  margin: 4% 0 2%;
}

.page_down .des {
  font-weight: 400;
  font-size: 20px;
  color: #000000;
  line-height: 40px;
}

.page_down .list {
  margin-top: 4.3%;
}

.page_down .list .item {
  background: #ffffff;
  box-shadow: 0px 9px 40px 0px rgba(0, 0, 0, 0.2);
  padding: 28px 64px 77px 25px;
  flex-wrap: wrap;
}

.page_down .list .item:not(:first-child) {
  margin-top: 52px;
}

.page_down .list .item .img {
  width: 32.95%;
  flex-shrink: 0;
  padding: 0;
  height: 273px;
  margin-right: 62px;
}

.page_down .list .item .info {
  flex: 1;
}

.page_down .list .item .info .title {
  line-height: 40px;
  font-weight: 400;
  font-size: 24px;
  color: #000000;
}

.page_down .list .item .info .desc {
  font-weight: 400;
  font-size: 18px;
  color: #000000;
  line-height: 20px;
  margin: 25px 0 10px;
}

.page_down .list .item .info .time {
  margin: 10px 0 5px;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 40px;
}

.page_down .list .item .info .time time {
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 40px;
}

.page_down .list .item .info .down_btn {
  width: 50px;
  height: 50px;
  float: right;
  background: url(../images/btn/down.png) no-repeat center var(--color-main);
  background-size: 50%;
  border-radius: 50%;
  cursor: pointer;
}

.page_down .list .item .info .down_btn:hover {
  transform: rotateY(180deg);
}

.page_down .pages {
  margin-top: 53px;
}

@media screen and (max-width: 1366px) {
  .layout_ {
    width: 100%;
    padding-left: 3%;
    padding-right: 3%;
  }

  .page_down .tit {
    font-size: 30px;
    margin: 40px 0 0;
  }

  .page_down .list .item .img {
    margin-right: 30px;
  }

  .page_down .list .item {
    padding: 20px;
  }

  .page_down .list .item .info .desc {
    margin: 15px 0 5px;
  }
}

@media screen and (max-width: 950px) {
  .page_down .tit {
    font-size: 24px;
    margin: 30px 0 0;
  }

  .page_down .list .item {
    padding: 15px;
  }

  .page_down .list .item:not(:first-child) {
    margin-top: 20px;
  }

  .page_down .list .item .img {
    margin-right: 20px;
    height: 0;
    padding-bottom: 70%;
    width: 100%;
    margin-right: 0;
  }

  .page_down .list .item .info {
    margin-top: 20px;
  }

  .page_down .list .item .info .desc {
    margin: 5px 0;
  }

  .page_down .list .item .info .time {
    margin: 5px 0;
  }
}