@media screen and (max-width: 1200px) {
  /*.flexslider .slides li img{
			display: block;
			width: 100%;
			height: 120%;
			object-fit: cover;
	}*/

  .w80 {
    width: 95%;
  }
}

@media screen and (max-width: 1000px) {
  .page_ban {
    height: 3.2rem;
  }
  .page .page_left {
    width: 240px;
  }
  .page_con {
    width: calc(100% - 280px);
  }

  .procon .box .img {
    width: 100%;
    margin-bottom: 0.2rem;
  }
  .procon .box .text {
    width: 100%;
  }
}

@media screen and (max-width: 880px) {
  .page .page_left {
    width: 100%;
    margin-bottom: 0.3rem;
  }
  .page .page_left .tl {
    margin-bottom: 0.2rem;
  }
  .page .page_left ul {
    display: flex;
    flex-wrap: wrap;
  }
  .page .page_left ul li {
    width: 24%;
    margin-right: 1.333%;
  }
  .page .page_left ul li:nth-child(4n) {
    margin-right: 0;
  }
  .page .page_left ul li a {
    text-align: center;
  }
  .page_con {
    width: 100%;
  }

  .contact .box {
    flex-wrap: wrap;
  }
  .contact .box .text {
    width: 100%;
  }
}

@media screen and (max-width: 767px) {
  .proli li {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 2%;
  }
  .proli li:nth-child(3n) {
    margin-right: 2%;
  }
  .proli li:nth-child(2n) {
    margin-right: 0;
  }
  .caseli li {
    width: 48%;
    margin-right: 4%;
    margin-bottom: 4%;
  }
  .caseli li:nth-child(3n) {
    margin-right: 4%;
  }
  .caseli li:nth-child(2n) {
    margin-right: 0;
  }
}

@media screen and (max-width: 640px) {
  .page_ban {
    height: 2.4rem;
  }
  .page .page_left ul li {
    width: 49%;
    margin-right: 2%;
    margin-top: 2%;
  }
  .page .page_left ul li:nth-child(2n) {
    margin-right: 0;
  }
  .page .page_left ul li a {
    padding: 0.05rem 0.1rem;
  }
}

@media screen and (max-width: 480px) {
  .page_tl .location {
    display: none;
  }
  .caseli li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 5%;
  }
  .caseli li:nth-child(3n) {
    margin-right: 0;
  }
}