.main {
  margin-top: 80px;
}

/* banner */
.banner {
  height: 500px;
  position: relative;
}
.swiper-container {
  height: 500px;
}
.banner-image {
  background-repeat: no-repeat;
  background-position: center;
  background-size:  1920px 500px;
}
.banner-img{
  width: 1920px;
  height: 500px;
}
.banner-wrapper {
  position: absolute;
  z-index: 100;
  top: 50px;
  height: 360px;
  left: 0;
  right: 0;
}
.banner-info {
  width: 1200px;
  margin: 0 auto;
}
.banner-info-subtitle{
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  letter-spacing: 1px;
  margin-top: 20px;
  margin-bottom: 40px;
  text-align: center;
  display: none;
}
.banner-info-subtitle .subtitle-title{
  font-size: 40px;
  line-height: 100px;
}
.banner-info-subtitle .subtitle-dec{
  font-size: 18px;
  line-height: 40px;
  opacity: 0.7;
}
/* .banner-info-subtitle .btn {
  width: 520px;
  height: 70px;
  margin: 70px auto 0;
} */
.banner-info-subtitle .open-url-btn {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #bbb;
}
.banner-info-subtitle .open-url-btn:hover {
  background-color: rgba(255, 240, 239, 0.85);
}
.banner-nav {
  position: absolute;
  z-index: 100;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  box-sizing: border-box;
  overflow: hidden;
}
.banner-nav-wrapper {
  width: 60px;
  height: 10px;
  margin: 0 auto;
  box-sizing: border-box;
}
.banner-nav-item {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #fff;
  margin: 0 5px;
  float: left;
  cursor: pointer;
  box-sizing: border-box;
}
.banner-nav-item.banner-nav-item-active {
  background-color: #F80125
}

/* product list */
.product-list {
  width: 1200px;
  height: 280px;
  margin: 49px auto 30px;
}
.product-list ul li{
  width: 260px;
  height: 260px;
  float: left;
  background: #FFFFFF;
  border: 1px solid #fff;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.15);
  border-radius: 10px;
  text-align: center;
  margin: 0 20px;
  cursor: pointer;
}
.product-list ul li:hover{
  border: 1px solid #FF536C;
}
.product-list ul li a {
  width: 260px;
  height: 260px;
  display: inline-block;
}
.product-list  .icon{
  width: 80px;
  height: 80px;
  margin: 60px auto 15px;
  border-radius: 6px;
}
.product-list  .list-title{
  font-size: 16px;
  color: #333333;
  line-height: 34px;
}
.product-list .list-dec{
  font-size: 14px;
  color: #666666;
  line-height: 34px;
}

/* product-special */
.product-special {
  width: 1200px;
  height: 500px;
  margin: 0 auto 35px;
}
.product-special li {
  float: left;
  width: 370px;
  height: 180px;
  background: #FFFFFF;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  margin: 15px 15px;
}
.product-special li .icon{
  float: left;
  width: 130px;
  height: 180px;
}
.product-special li .special-text{
  float: left;
  width: 200px;
  margin: 40px 0 0 20px;
}
.product-special .special-text .title{
  font-size: 18px;
  color: #333333;
  line-height: 34px;
}
.product-special .special-text .dec{
  font-size: 14px;
  color: #666666;
  line-height: 26px;

}

/* product-function */
.product-function {
  width: 1200px;
  height: 467px;
  margin: 0 auto;
}
.product-function li{
  float: left;
  width: 145px;
  height: 145px;
  border: 1px solid #fff;
  text-align: center;
  margin: 0 12px 24px;
  border-radius: 4px;
}
.product-function li:hover {
  border: 1px solid #E73F33;
}
.product-function .icon{
  width: 70px;
  height: 70px;
  margin: 20px auto 10px;
}
.product-function .function-title{
  font-size: 18px;
  color: #333333;
  line-height: 30px;
}
/* product-reason */
.product-reason {
  width: 100%;
  height: 400px;
  background: url('../images/index/reason/bg.png') no-repeat center center;
}
.product-reason .product-title {
  line-height: 120px;
}
.reason-main {
  width: 1200px;
  height: 300px;
  margin: 0 auto;
}
.reason-main li{
  float: left;
  width: 200px;
  margin: 0 50px;
  text-align: center;
}
.reason-main li .icon{
  width: 140px;
  height: 140px;
}
.reason-main li .title{
  font-size: 20px;
  color: #333333;
  line-height: 46px;
}
.reason-main li .dec{
  font-size: 16px;
  color: #666;
  line-height: 24px;
}
/* comment */
.comment-title{
  font-size: 30px;
  font-weight: 400;
  color: #333333;
  margin: 60px 0;
  text-align: center;
}
.comment-wrapper{
  width: 1160px;
  margin: 0 auto;
  margin-bottom: 20px;
  overflow: hidden;
}
.comment-arrow{
  float: left;
  width: 40px;
  height: 70px;
  cursor: pointer;
  margin-top: 100px;
}

.comment-arrow-left{
margin-right: 20px;
}
.comment-arrow-right{
  margin-left: 20px;
}
.comment-item{
  background: #FFFFFF;
  border-radius: 10px;
  padding: 20px;
  height: 190px !important;
  box-sizing: border-box;
  margin: 0 10px;
}
.comment-header{
  overflow: hidden;
}
.comment-head{
  height: 60px;
  width: 60px;
  border-radius: 30px;
  float: left;
  margin-right: 14px;
}
.comment-info{
  float: left;
  width:200px;
}
.comment-des{
  float: left;
  overflow: hidden;
  margin-bottom: 10px;
}
.comment-name{
  font-size: 18px;
  color: #333333;
  margin-top: 7px;
}
.comment-job{
  height: 24px;
  line-height: 24px;
  margin-top: 4px;
  font-size: 14px;
  color: #666666;
}
.comment-score {
  float: right;
  margin-top: 32px;
}
.comment-score-star{
  width: 37px;
  height: 23px;
  margin-right: 9px;
}
.comment-content{
  margin-top: 20px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 24px;
}
/* sence */
.product-sence {
  width: 1200px;
  height: 300px;
  margin: 0 auto 60px;
}
.product-sence li {
  float: left;
  width: 200px;
  height: 200px;
  margin: 20px 20px;
  position: relative;
  border-radius: 8px;
}
.product-sence li:hover .sence-hover{
  display: block;
}
.product-sence li .sence-title{
  position: absolute;
  width: 200px;
  height: 200px;
  line-height: 200px;
  font-size: 20px;
  color: #fff;
  top: 0;
  text-align: center;
}
.product-sence li .sence-hover{
  width: 200px;
  height: 200px;
  position: absolute;
  top: 0;
  background-color: #E73F33;
  opacity: 0.95;
  border-radius: 8px;
  display: none;
  text-align: center;
  padding-top: 40px;
}
.product-sence .sence-hover .title {
  font-size: 24px;
  color: #FFFFFF;
  line-height: 40px;
}
.product-sence .sence-hover .dec {
  font-size: 14px;
  color: #FFFFFF;
  line-height:30px;
  text-align: center;
  display: block;
  padding: 0 10px;
}

.product-sence li .sence-img{
  width: 200px;
  height: 200px;
}

.side {
  position: fixed;
  right: 50px;
  bottom: 300px;
  z-index: 1000;
  color: white;
  width: 80px;
  height: 245px;
  background: #FFFFFF;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  text-align: center;
}
.side-item{
  width: 50px;
  height: 86px;
  cursor: pointer;
  margin: 0 15px;
  border-bottom: 1px solid #ddd;
  display: block;
  color: #666;
}
.side-item-img{
  width: 30px;
  margin: 20px auto 10px;
}

.side-mask-qq:hover > .side-mask-qq-item{
  opacity: 1;
  pointer-events: all;
}
.side-mask-service:hover > .side-mask-service-item{
  opacity: 1;
  pointer-events: all;
}

.side-mask-wrapper{
  position: absolute;
  padding: 13px 16px;
  background: #5DA2FF;
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  right: 70px;
  opacity: 0;
  pointer-events: none;
}
.side-mask-item{
  margin-right: 15px;
}
.side-mask-img{
  width: 26px;
}
@media screen and (min-width: 1920px) {
  .banner-image {
    background-size:  100% auto;
  }
  .banner-img{
    width: 100%;
  }
  .product-reason {
    background-size:  100% auto;
  }
}