/* index_header */
header.index_head {
  background-color: transparent;
  box-shadow: none;
  border: 0;
}

.index_head ._right a.l1 {
  background-color: transparent;
}


.banner {
  height: 985px;
}

.part_1 .swiper-slide {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.part_1 .fl {
  position: absolute;
  width: 100%;
  max-width: 1920px;
  padding-left: 160px;
  padding-right: 100px;
  bottom: 250px;
  left: 50%;
  z-index: 5;
  color: white;
  box-sizing: border-box;
  transform: translate(-50%, 0);
}

.part_1 .fl .info {
  display: flex;
  margin-bottom: 75px;
  align-items: flex-end;
  justify-content: space-between;
}

.part_1 .fl .info .left{ margin-bottom:20px;}

.part_1 .fl .p1 {
  font-size: 18px;
  line-height: 33px;
}

.part_1 .fl .p2 {
  margin-top: 5px;
  margin-bottom: 20px;
  font-size: 40px;
  line-height: 45px;
  font-weight: bold;
}

.part_1 .fl .p3 {
	max-width:50%;
  font-size: 18px;
  line-height: 25px;
}

.part_1 .fl .info .right {
  font-size: 13px;
  line-height: 20%;
  padding-bottom: 20px;
  writing-mode: vertical-lr;
}


.part_1 .swiper-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  margin-right: 12px;
  opacity: 1;
  background-color: #6c6d71;
}

.part_1 .swiper-pagination .swiper-pagination-bullet-active {
  position: relative;
  width: 28px;
  height: 28px;
  vertical-align: middle;
  border: 1px solid white;
  background-color: transparent;
}

.part_1 .swiper-pagination .swiper-pagination-bullet-active::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
}

.part_2 {
  padding-top: 162px;
  padding-bottom: 225px;
  background-color: #a9a9a9;
}

.part_2 .maxWidth {
  display: flex;
  color: white;
  align-items: flex-start;
  justify-content: space-between;
}

.part_2 .maxWidth .right {
  font-size: 0;
}

.part_2 .maxWidth .right .putImg {
  position: relative;
  display: inline-block;
  width: calc((100% - 26px) / 2);
  color: white;
  cursor: pointer;
  overflow: hidden;
  border-bottom-right-radius: 50px;
}

.part_2 .maxWidth .right .putImg:first-child {
  margin-right: 26px;
}

.part_2 .maxWidth .right .putImg .info {
  position: absolute;
  left: 55px;
  bottom: 70px;
}

.part_2 .maxWidth .right .putImg:hover img {
  transform: scale(1.1);
}

.part_2 .maxWidth .right .putImg .p1 {
  font-size: 25px;
  line-height: 40px;
  font-weight: bold;
}

.part_2 .maxWidth .right .putImg .p2 {
  font-size: 18px;
  line-height: 40px;
}

.part_2 .maxWidth .left {
  padding-top: 40px;
}

.part_2 .maxWidth .left .search input,
.part_2 .maxWidth .left .search input::placeholder {
  color: white;
    font-family: "PingFang SC", "Source Han Sans SC", "HanHei SC",
    "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", 黑体,
    Arial, sans-serif;
}

.part_2 .maxWidth .left .headPart2 {
  margin-top: 100px;
}

.part_2 .maxWidth .left .headPart2 p {
  margin-bottom: 30px;
  font-size: 20px;
  line-height: 40px;
}

.part_2 .maxWidth .left .headPart2 ul {
  max-width: 555px;
  width: 100%;
  margin-bottom:70px;
  font-size: 0;
}

.part_2 .maxWidth .left .headPart2 li {
  width: 173px;
  margin-bottom: 14px;
  margin-right: 11px;
  text-align: center;
  border-radius: 20px;
  transition: all .4s;
  background-color: white;
}

.part_2 .maxWidth .left .headPart2 li a {
  display: block;
  line-height: 43px;
  font-size: 15px;
}

.part_2 .maxWidth .left .headPart2 li.on,
.part_2 .maxWidth .left .headPart2 li:hover {
  /*background-color: var(--themaBlack);*/
}

.part_2 .maxWidth .left .headPart2 li.on a,
.part_2 .maxWidth .left .headPart2 li:hover a {
  /*color: white;*/
}

.part_3 {
  padding-bottom: 170px;
  color: white;
  background-color: #a9a9a9;
}

.part_3 .header {
  margin-bottom: 60px;
}

.part_3 .header .p1 {
  margin-bottom: 10px;
  font-size: 35px;
  line-height: 40px;
}

.part_3 .header .p2 {
  font-size: 20px;
  line-height: 25px;
  text-transform:uppercase
}

.part_3 .swiper-slide {
  background-color: transparent;
  width:498px;
}

.part_3 .swiper-slide:first-child{ margin-left:150px;}

.part_3 .list_item {
  position: relative;
  display: inline-block;
  margin-bottom: 47px;
  border-bottom-right-radius: 50px;
  overflow: hidden;
}

.part_3 .list_item:nth-child(3n) {
  margin-right: 0;
}

.part_3 .list_item .info {
  position: absolute;
  color: white;
  left: 50px;
  bottom: 75px;
  z-index: 2;
  text-align: left;
}

.part_3 .list_item .bTitle {
  font-size: 30px;
  line-height: 40px;
  font-weight: bold;
}

.part_3 .list_item .sTitle {
  font-size: 16px;
  line-height: 40px;
}

.part_3 .list_item .btn {
  width: 110px;
  height: 38px;
  padding-right: 5px;
  text-align: center;
  line-height: 37px;
  font-size: 14px;
  font-weight: bold;
  transition: all .4s;
  box-sizing: border-box;
  border: 1px solid white;
  border-bottom-right-radius: 20px;
}

.part_3 .list_item:hover img {
  transform: scale(1.2);
}

.part_3 .list_item:hover .btn {
  color: var(--themaBlack);
  background-color: white;
}

.part_3 .list_item:hover::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  background-color: rgba(255, 255, 255, .1);
}

.part_3 .flotLeft {
  font-size: 0;
}

.part_3 .swiper-button-prev,
.part_3 .swiper-button-next {
  left: 0;
  right: 0;
  margin-top: auto;
  vertical-align: middle  ;
}

.part_3 .flotLeft .more {
  display: inline-block;
  margin-left: 50px;
  vertical-align: middle;
  color: white;
  font-size: 16px;
  line-height: 40px;
}

.part_3 .flotLeft .more::after {
  content: "";
  display: block;
  height: 1px;
  background-color: white;
}

.part_4 {
  padding: 200px 0 218px;
  background-color: #f5f5f5;
}

.part_4 .part4_head ul {
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.part_4 .part4_head li {
  text-align: center;
}

.part_4 .part4_head li .p1 {
  font-size: 17px;
  line-height: 17px;
}

.part_4 .part4_head li .p2 {
  margin: 25px 0 15px;
  font-size: 18px;
  line-height: 18px;
}

.part_4 .part4_head li .p2 span {
  font-size: 55px;
  line-height: 50px;
  font-weight:bold
}

.part_4 .part4_head li .p3 {
  font-size: 15px;
  line-height: 15px;
}

.part_4 .part4_btm ul {
  margin-top: 110px;
  font-size: 0;
}

.part_4 .part4_btm li {
  display: inline-block;
  max-width: calc((100% - 60px) / 3);
  margin-right: 30px;
}

.part_4 .part4_btm li .putImg:hover .imgs{ opacity:1; display:block}
.part_4 .part4_btm li .putImg:hover .img{ opacity:0; display:none}
.part_4 .part4_btm li .putImg .imgs{ opacity:0; display:none}

.part_4 .part4_btm li:last-child {
  margin-right: 0;
}

.part_4 .part4_btm li a {
  display: block;
}

.part_4 .part4_btm li .putImg {
  position: relative;
}

.part_4 .part4_btm li .info {
  position: absolute;
  display: flex;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  padding: 90px 0 95px 70px;
  box-sizing: border-box;
  flex-direction: column;
  justify-content: space-between;
}

.part_4 .part4_btm li .info .b {
    width: 150px;
    height: 52px;
    line-height: 52px;
    background-color: white;
    font-size: 17px;
    text-align: center;
    color: var(--themaBlack);
    border-bottom-right-radius: 30px;
}

.part_4 .part4_btm li .info .p1 {
  margin-bottom: 15px;
  font-size: 30px;
  line-height: 35px;
  color: white;
}

.part_4 .part4_btm li .info .p2 {
  font-size: 25px;
  line-height: 35px;
  color: white;
}

.part_5 {
  padding-top: 125px;
}

.part_5 .part5_head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.part_5 .part5_head .left {
  font-size: 35px;
  line-height: 40px;
}

.part_5 .part5_head .right .sp_btn {
  margin-top: auto;
  opacity: 1;
  left: 0;
  right: 0;
  opacity: 1;
  vertical-align: middle;
}

.part_5 .part5_head .right .sp_n {
  background-color: #a9a9a9;
}

.part_5 .part5_head .right .more {
  display: inline-block;
  margin-left: 50px;
  vertical-align: middle;
  font-size: 16px;
  line-height: 40px;
}

.part_5 .part5_head .right .more::after {
  content: "";
  display: block;
  height: 1px;
  background-color: var(--themaBlack);
}

.part_5 .list {
  padding-top: 80px;
  padding-bottom: 135px;
}

.part_5 .list .news_item {
  max-width: 100%;
  text-align: left;
  margin-right:0
}

.about_video .headPart {
  display: flex;
  justify-content: space-between;
}

.about_video .headPart .p1 {
  font-size: 20px;
  line-height: 25px;
}

.about_video .headPart .p2 {
  margin-top: 15px;
  font-size: 38px;
  font-weight: bold;
}

.about_video {
	position:relative;
  padding: 110px 0 0 0;
}
.about_video .bn {
  position: relative;
  height: 800px;
  margin-top: 60px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.about_video .ct {
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  color: white;
  text-align: center;
  transform: translate(-50%, -50%);
}

.about_video .ct .p1 {
  font-size: 40px;
  line-height: 45px;
  font-weight: bold;
}

.about_video .ct .p2 {
  margin: 15px auto 60px;
  font-size: 25px;
  line-height: 25px;
}

.about_video .ct img {
  display: block;
  margin: 0 auto;
  cursor: pointer;
}


@media (max-width: 1650px){
.part_3 .swiper-slide:first-child{ margin-left:15px;}
}


@media (max-width: 1366px){
.part_4 .part4_btm li .info{ padding:10%;}
.part_4 .part4_head li .p2 span{ font-size:45px;}
}

@media (max-width: 1024px){
.banner {height: 768px;}
.part_1 .fl{ bottom:20%; padding-left:15px; padding-right:15px;}
.part_2{ padding:10% 15px 20%;}
.part_2 .maxWidth{ display:block}
.part_2 .maxWidth .left .headPart2{ display:none}
.part_2 .maxWidth .right{ margin-top:5%;}
.part_4 .part4_btm li .info .p1{ font-size:24px; line-height:30px;}
.part_4 .part4_btm li .info .p2{ font-size:20px;}
.part_4{ padding:10% 0 15%;}
.part_4 .part4_btm ul{ margin-top:10%;}
.part_3{ padding-bottom:20%; margin-top:-1px;}
.part_5{ padding-top:15%;}
.part_5 .list{ padding:5% 0 0 0;}
}

@media (max-width: 768px){
.part_4 .part4_btm li{ width:100%; margin:2.5% 0; max-width:inherit}
.part_4 .part4_btm li .putImg img{ width:100%;}
.part_4 .part4_head li .p1{ font-size:14px;}
.part_4 .part4_head li .p2{ margin:10px 0}
.part_4 .part4_head li .p2 span{ font-size:30px;}
.part_4 .part4_head li .p3{ font-size:13px;}
.part_3 .header .p1{ font-size:24px;}
.part_3 .header .p2{ font-size:17px;}
.part_5 .part5_head .left{ font-size:22px;line-height: normal;margin-bottom:20px;}
.part_5 .part5_head{ display:block}
.about_video .headPart .p2{ font-size:24px;}
.about_video .bn{ height:auto; padding:50% 0;}
.about_video{ padding:15% 0 0 0;}
.about_video .ct .p2{ font-size:18px; margin-bottom:5%;}
.about_video .ct img{ height:60px;}
.about_video .ct .p1{ font-size:24px; line-height:35px;}
}

@media (max-width: 640px){
.banner {height: 550px;}
.part_1 .fl .p2{ font-size:28px;line-height:35px; margin:10px 0;}
.part_1 .fl{ bottom:10%;}
.part_1 .fl .info{ margin-bottom:30px;}
.part_1 .fl .info .right{ display:none}
.part_1 .fl .p1,.part_1 .fl .p3{ font-size:15px; max-width:inherit;line-height: normal;}
.part_2 .maxWidth .right .putImg{ width:100%; margin:5% 0;}
.part_2 .maxWidth .right .putImg img{ width:100%;}
.list .headPart .sTitle{ font-size:18px;}
.list .headPart .bTitle{ font-size:24px;}
.part_4 .part4_head li{ width:49%; margin:5% 0;}
.part_4 .part4_head ul{ display:block}
.part_3 .swiper-slide {width:298px;}
.part_3 .list_item .bTitle{ font-size:24px;}
.part_3 .list_item .sTitle{ font-size:14px;}
.part_2 .maxWidth .right,.part_4{ display:none}
}