* {
  margin: 0;
  padding: 0;
  border: 0px;
}

:root {
  /* --brcolor: #bb9457; */
}

/* color:var(--pracolor); */
a {
  text-decoration: none;
  color: #000;
}

a:hover {
  text-decoration: none;
  color: #fff;
}

ul li {
  list-style-type: none;
}

.image {
  width: 100%;
  min-height: 100%;
}

input:focus {
  border: none;
  /*去默认边框*/
  outline: none;
  /*去默认选中后的蓝色边框*/
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .0);
  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .0);
}

.center {
  text-align: center;
}

.clear {
  clear: both;
  height: 0px;
  margin: 0;
  padding: 0;
  width: 0;
  border: none;
  overflow: hidden;
}

.fl {
  float: left
}

.fr {
  float: right
}

.all {
  max-width: 100vw;
  margin: 0 auto;
}

.header-wrap {
  width: 1600px;
  margin: 0 auto;
}

/* .wrap {
  width: 1800px;
  margin: 0 auto;
} */
.wrap{width: 100%;padding-left: 8.3%;padding-right: 8.3%;}

.i_pic_box {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}

.i_pic {
  position: relative;
  left: 50%;
  margin-left: -960px;
  width: 1920px;
  text-align: center;
}

.index_title {
  font-size: 36px;
  font-weight: 500;
  color: #333333;
  line-height: 47px;
  padding: 100px 0 65px;
}
.index_block_2 .index_title{padding: 64px 0 137px;}

.index_title span {
  font-weight: 400;
  font-size: 24px;
  color: #999999;
  line-height: 33px;
  margin-left: 16px;
}




/* swiper开始 */
.index_block_1 {
  width: 100%;
  height: 100vh;
  position: relative;
}

.index_block_1 .swiper-slide{background-size: cover;}

.index_block_1 .text {
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -20%);
  transform: translate(-50%, -50%);
}

.index_block_1 .text h2 {
  font-weight: 600;
  font-size: 72px;
  font-size: 50px;
  color: #333333;
  line-height: 100px;
  text-shadow: 0px 2px 4px #D9E4FF;
}

.index_block_1 .text p {
  font-weight: 400;
  font-size: 39px;
  color: #484848;
  line-height: 54px;
  text-shadow: 0px 2px 4px #D9E4FF;
}

.index_block_1 .index_block_1_page {
  width: 50px;
  height: 4px;
  background: #AEAEAE;
  border-radius: 8px;
  margin: 0 10px;
  display: inline-block;
}

/* 定义关键帧动画 */
@keyframes gradientAnimation {
  0% {
    background-position: 100% 50%;
    /* 初始位置 */
  }

  100% {
    background-position: 0% 50%;
    /* 结束位置 */
  }
}

.index_block_1 .index_block_1_page_active {
  width: 100px;
  /* background: #002EA7; */
  background: linear-gradient(90deg, #002EA7 50%, #AEAEAE 50%);
  /* 渐变结束颜色 */
  background-size: 200% 100%;
  /* 扩展背景大小以容纳动画 */
  animation: gradientAnimation 3s linear 1;
  /* 动画名称、持续时间、速度曲线、循环次数 */
}

.swiper-horizontal>.swiper-pagination-bullets,
.swiper-pagination-bullets.swiper-pagination-horizontal,
.swiper-pagination-custom,
.swiper-pagination-fraction {
  bottom: 110px;
}

/* swiper结束 */
/* index_block_2 */
.index_block_2 {
  width: 100%;
  height: 100vh;
  /* min-width: 1920px; */
  /* display: block; */
  background: url(../images/index_block_2_bgd_1.png) no-repeat;
  background-size: 100vw;
  background-size: cover;;
}


.index_block_2 .content {
  width: 900px;
}

.index_block_2 .content h3 {
  font-size: 24px;
  color: #333333;
  line-height: 30px;
  font-weight: 500;
  margin-bottom: 10px;
}

.index_block_2 .content p {
  font-size: 18px;
  color: #666666;
  line-height: 30px;
  text-indent: 2em;
}

.index_block_2 .button {
  width: 150px;
  height: 50px;
  display: inline-block;
  font-size: 18px;
  line-height: 50px;
  border-radius: 8px;
  color: #666666;
  border: 1px solid #333333;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 100px auto 0;
  transition: all .4s;
  /* 过渡 */
  -webkit-transition: all .4s;
  /* Safari */
}

.index_block_2 .button i {
  width: 23px;
  height: 19px;
  display: inline-block;
  margin-left: 22px;
  background: url(../images/index_block_2_icon_1.png);
  transition: all .4s;
  -webkit-transition: all .4s;
}

.index_block_2 .button:hover {
  /* border: 2px solid #333333; */
  color: #111;
}

.index_block_2 .button:hover i {
  margin-left: 30px;
}

/* index_block_2结束 */
/* index_block_3 */
.index_block_3 {background: #fff;}

.index_block_3 .content {
  /* display: flex; */
}

.index_block_3 .content .pic_bgd {
  width: 49%;
  height: 350px;
  border-radius: 14px;
  background: url(../images/index_block_2_icon_3.png) no-repeat center;
  background-position-x: 80%;
  /* background-size: 100%; */
  box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  float: left;
  background-size: contain;
}

.index_block_3 .content .pic_bgd:nth-child(2) {
  width: 49%;
  height: 350px;
  /* background-size: 60%; */
  float: right;
}

.index_block_3 .content .pic_bgd:nth-child(3) {
  width: 49%;
  height: 350px;
  margin-top: 25px;
  /* background-size: 60%; */
  float: right;
}

.index_block_3 .content .pic_bgd:nth-child(4) {
  width: 49%;
  height: 350px;
  margin-top: 25px;
  /* background-size: 60%; */
  float: left;
}

.index_block_3 .content .pic_bgd::after {
  content: '';
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(65, 65, 65, 0.56) 56%, #282828 100%);
  width: 100%;
  height: 100%;
  border-radius: 14px;
  /* display: none; */
  opacity: 0;
  position: absolute;
  z-index: 2;
  /* display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center; */
  transition: all 1s;
}

.index_block_3 .content .pic_bgd:hover::after {
  z-index: 2;
  /* display: block; */
  opacity: 1;
}

.index_block_3 .content .pic_bgd .text {
  /* width: 100%;
        height:100%; */
  /* padding: 74px 100px; */
  box-sizing: border-box;
  position: absolute;
  top: 54%;
  left: 4%;
  z-index: 13;
  /* display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start; */
}
.index_block_3 .content .pic_bgd:nth-child(1) .text{
    top: 70%!important;
}
.index_block_3 .content .pic_bgd .text h2 {
  font-size: 24px;
  color: #333333;
  line-height: 31px;
  font-weight: 500;
}

.index_block_3 .content .pic_bgd:hover .text h2 {
  font-size: 28px;
  color: #FFFFFF;
  line-height: 37px;
  font-weight: 500;
}

.index_block_3 .content .pic_bgd .text p {
  font-size: 16px;
  color: #FFFFFF;
  line-height: 21px;
  display: none;
}

.index_block_3 .content .pic_bgd:hover .text p {
  /* color: #FFFFFF; */
  display: block;
  margin: 13px 0 24px 0;
}

.index_block_3 .content .pic_bgd .text h3 {
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  font-weight: 500;
  display: none;
}

.index_block_3 .content .pic_bgd:hover .text h3 {
  /* color: #FFFFFF; */
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.index_block_3 .content .pic_bgd .text h3 i {

  background: url(../images/index_block_3_icon_1.png) no-repeat;
  /* background-size: 100%; */
  width: 23px;
  height: 19px;
  display: flex;
  margin-left: 13px;
  transition: all 1s;
  -webkit-transition: all 1s;
}

.index_block_3 .content .pic_bgd:hover .text h3 i {
  margin-left: 13px;

}

/* index_block_3结束 */
/* index_block_4 */
.index_block_4{background: #fff;margin-top:40px;}
.index_block_4 img{
    width: 100%;
}
.index_block_4 .swiper {
  width: 1600px;
  /* height: 700px; */
  padding-top: 30px;margin-top: -30px;
  padding-bottom: 30px;
}

.index_block_4 .swiper .swiper-slide {
  /* width: 550px !important; */
  background: #FFFFFF;
  box-shadow: 0px 2px 10px 4px rgba(185, 185, 185, 0.5);
  border-radius: 24px;
  font-size: 18px;
  /* margin-top: 10px; */
  transition: transform 300ms;
  transform: scale(.8);
}

.index_block_4 .swiper .swiper-slide-active,
.index_block_4 .swiper .swiper-slide-duplicate-active {
  /* width: 700px !important; */
  margin: 0 auto;
  /* transform: scale(1); */
  z-index: 9999;
}

.index_block_4 .swiper .swiper-slide .text {
  /* width:100%;
        height: 100%; */
  padding: 20px;
}

.index_block_4 .swiper .swiper-slide .text h2 {
  font-size: 28px;
  color: #333333;
  line-height: 37px;
}

.index_block_4 .swiper .swiper-slide .text p {
  font-size: 16px;
  color: #333333;
  line-height: 21px;
  margin: 15px 0 50px 0;
}

.index_block_4 .swiper .swiper-slide .text i {
  background: url(../images/index_block_4_icon_1.png) no-repeat;
  background-size: 100%;
  width: 60px;
  height: 20px;
  margin-top: 50px;
  display: flex;
  /* margin-left: 13px; */
  transition: left .6s;
  -webkit-transition: left .6s;
  position: relative;
  left: 80%;
  opacity: 0;
}

.index_block_4 .swiper .swiper-slide:hover .text i {
  /* position: absolute; */
  left: 82%;

}

.index_block_4 .swiper .swiper-slide img {
  width: 100%;
}

/* index_block_4结束 */
/* index_block_5 */
.index_block_6{
    /*background: #494E5A;*/
    background-image: url(../images/index_block_5_bgd_1.jpg);
    background-size: 100% 100%;
}
.index_block_5 {
    /*display: none;*/
}
.index_block_5 .bottom_nav {
  width: 100%;
  min-width: 1400px;
  height: 490px;
  box-sizing: border-box;
  padding: 52px 160px;
  display: flex;
  justify-content: space-between;
  display: none;
}

.index_block_5 .bottom_nav .left_box {
  display: flex;
}

.index_block_5 .bottom_nav .left_box dl {
  padding-right: 60px;
}

.index_block_5 .bottom_nav .left_box dl dt {
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  margin-bottom: 34px;
}

.index_block_5 .bottom_nav .left_box dl dd a {
  font-weight: 400;
  font-size: 16px;
  color: #D7D7D7;
  line-height: 22px;
}

.index_block_5 .bottom_nav .left_box dl dd a:hover {
  color: #adadad;
}

.index_block_5 .bottom_nav .right_box {
  width: 560px;
  height: 218px;
  padding: 0 50px;
  margin-top: 80px;
  border-left: 1px solid #DCDCDC;
  display: flex;
  align-items: center;
}

.index_block_5 .bottom_nav .right_box div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.index_block_5 .bottom_nav .right_box div img {
  width: 181px;
  height: 181px;
  margin: 0 10px;
  object-fit: cover;
}

.index_block_5 .bottom_nav .right_box div p {
  color: #fff;
  margin-top: 10px;
}

.index_block_5 .bottom_copy {
  width: 100%;
  min-width: 1400px;
  /*height: 65px;*/
  height: 120px;
  border-top: 1px solid #979797;
  background: #494E5A;
  font-weight: 400;
  font-size: 16px;
  color: #DCDCDC;
  line-height: 65px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index_block_5 .bottom_copy p {
  padding-right: 20px;
}

.index_block_5 .bottom_copy a {
  color: #DCDCDC;
}

.index_block_5 .bottom_copy a:hover {
  color: #979797;
}

/* index_block_5结束 */

.swiper-button-next,
.swiper-button-prev{width: 90px;height: 90px;margin-top: -45px;z-index: 20;}
.swiper-button-next::after{content:'';width: 90px;height: 90px;background: url(../images/swiper_btn_right.png) no-repeat center;}
.swiper-button-prev::after{content:'';width: 90px;height: 90px;background: url(../images/swiper_btn_left.png) no-repeat center;}

.index_block_4 .index_title{position: relative;z-index: 1000;}
.index_block_4 .swiper{width: auto;padding:150px 120px;margin-top: -90px;}

.index_block_4 .swiper .swiper-slide {
    transform: scale(1);
    background: #f2f2f2;
}

.index_block_4 .swiper .swiper-slide-active{
    transform: scale(1.2);
    background: #fff;
    z-index: 20000;
}

.index_block_4 .swiper .swiper-slide .text{display: block;padding:40px;}
.index_block_4 .swiper .swiper-slide-active .text i{opacity: 1;}
.index_block_4 .swiper .swiper-slide .text h2{font-size: 22px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.index_block_4 .swiper .swiper-slide .text p{margin-bottom: 35px;height: 42px;overflow: hidden;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
}
.index_block_4 .swiper::before,
.index_block_4 .swiper::after{content:'';display: block;height: 100%;right: 0;top: 0;position: absolute;width: 100px;z-index: 10;background: #fff;}
.index_block_4 .swiper::before{right:auto;left:0;}

.index_block_4 .swiper .swiper-slide .img_box{width: 100%;height: 0;padding-bottom: 80%;position: relative;}
.index_block_4 .swiper .swiper-slide img{height: 100%;width: 100%;object-fit: contain;position: absolute;top: 0;left: 0;}