.box{
  width: 750px;
  height: 1920px;
  background: url(../img/bg.jpg);
  background-size: cover;
  margin: 0 auto;
  position: relative;
}
.fill{
  width: 100%;
  height: 30px;
}
header{
  width: 541px;
  height: 225px;
  background: url(../img/head.png);
  margin: 0 auto;
}
.banner{
  width: 750px;
  height: 768px;
  margin: 20px auto 0;
  overflow: hidden;
}

.banner .swiper-button-prev {
  background: url(../img/left.png);
  width: 24px;
  height: 60px;
  outline: none;
}
.banner .swiper-button-next {
  background: url(../img/right.png);
  width: 24px;
  height: 60px;
  outline: none;
}
.kf{
  width: 101px;
  height: 106px;
  background: url(../img/kf.png);
  position: absolute;
  left: 20px;
  top:898px;
  z-index: 2;
}
.kf a{
  width: 100%;
  height: 100%;
  display: block;
}
.down{
  width: 183px;
  height: 53px;
  background: url(../img/down.png);
  position: absolute;
  right: 0;
  top: 924px;
  z-index: 2;
}
.down a{
  width: 100%;
height: 100%;
display: block;
}
.down_btn{
  width: 615px;
  height: 71px;
  background: url(../img/down_btn.png);
  margin: 30px auto 0;
  -webkit-animation: gif 1.5s infinite linear;
    animation: gif 1.5s infinite linear;
}
.experience{
  width: 615px;
  height: 224px;
  background: url(../img/experience.png);
  margin: 30px auto 0;
}
.experience_fill{
  width: 100%;
  height: 106px;
}
.experience_content{
  width: 560px;
  height: 83px;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
}
.experience_content div{
  width: 261px;
  height: 83px;
}
.experience_content div a{
  display: block;
  width: 100%;
  height: 100%;
}
.btn1{
  background: url(../img/btn1.png);
}
.btn2{
  background: url(../img/btn2.png);
}
.title{
  width: 286px;
  height: 71px;
  background: url(../img/title.png);
  margin: 36px auto 0;
}
.http_content{
  height: 691px;
  height: 344px;
  margin: 35px auto 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.http{
  width: 691px;
  height: 71px;
  display: flex;
  justify-content: space-between;
}
.url{
  width:480px;
  height: 71px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: url(../img/url.png);
}
.url_text{
  width: 349px;
  font-size: 33px;
  color: green;
  text-align: center;
  line-height: 71px;
}

.time{
  height: 71px;
  line-height: 71px;
  text-align: center;
  width: 134px;
  color: white;
  font-size: 33px;
}
.btn{
  width: 198px;
	height: 73px;
  background: url(../img/btn.png);
  font-size: 33px;
  color: #4f4f4f;
  text-align: center;
  line-height: 73px;
  font-weight: 700;
}
.alert{
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  z-index: 3;
  background: rgba(0, 0, 0, .8);
}
.pop{
  width: 694px;
  height: 564px;
  background: url(../img/pop.png);
  position: fixed;
  left: 0;
  right: 0;
  top:0;
  bottom: 0;
  margin: auto;
  z-index: 4;
}
.pop_head{
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.close{
  width: 52px;
  height: 51px;
  background: url(../img/close.png);
  margin-right: 20px;
  cursor: pointer;
}
.pop_banner{
  width: 647px;
  height: 393px;
  margin: 0 auto;
  overflow: hidden;
}
.pop_banner  .swiper-pagination-bullet,.banner  .swiper-pagination-bullet{
  background: #ffffff;
  width: 16px;
  height: 16px;
}
.pop_banner  .swiper-pagination-bullet-active,.banner  .swiper-pagination-bullet-active{
  background: #ffffff;
}
.banner .swiper-container .swiper-pagination{
  bottom: -67px;
}
.pop1,.pop2{
  width: 665px;
  height: 360px;
  background: url(../img/pop1.png);
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  position: fixed;
  z-index: 4;
  display: none;
}
.pop_http_content{
  height: 270px;
  width: 573px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.url_pop_fill{
  width: 100%;
  height: 48px;
}
.pop_http{
  width: 573px;
  height: 70px;
  display: flex;
  justify-content: space-between;
}
.url_pop{
  width: 413px;
  height: 70px;
  background: url(../img/url_pop.png);
  display: flex;
}
.pop_http .time{
  width: 111px;
	height: 65px;
  color: #ffffa2;
}
.pop_http .btn{
  width: 139px;
  height: 70px;
  background: url(../img/pop_btn.png);
}
.pop_http .btn a{
  display: block;
  width: 100%;
  height: 100%;
}
.pop_http .url_pop_text{
  width: 299px;
  height: 70px;
  line-height: 70px;
  font-size: 34px;
  color: #ffffff;
  font-weight: 700;
  text-align: center;
}
.pop1_close,.pop2_close{
  width: 60px;
  height: 60px;
  background: url(../img/pop1_close.png);
  margin: 50px auto 0;
}

a[title="51YES网站统计系统"] {
  opacity: 0;
  position: absolute;
  bottom:-100px ;
}
@keyframes gif {
  0% {
      -webkit-transform: scale(1);
      transform: scale(1);
  }
  50% {
      -webkit-transform: scale(1.1);
      transform: scale(1.1);
  }
  100% {
      -webkit-transform: scale(1);
      transform: scale(1);
  }
}
@-webkit-keyframes gif {
  0% {
      -webkit-transform: scale(1);
      transform: scale(1);
  }
  50% {
      -webkit-transform: scale(1.1);
      transform: scale(1.1);
  }
  100% {
      -webkit-transform: scale(1);
      transform: scale(1);
  }
}