.body {
    width: 750px;
    height: auto;
    margin: 0 auto;
}

.bg_01 {
    width: 750px;
    height: 814px;
    background: url(../image/top1.png) no-repeat;
    background-size: 100%;
    position: relative;
}

.down_load {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 550px;
    height: 97px;
    background: url('../image/btn.png') no-repeat;
    background-size: 100%;
    z-index: 999;
}

.header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 750px;
    height: 96px;
    background: url(../image/top.png) no-repeat;
    background-size: 100%;
    z-index: 999;
}

.bg_02 {
    width: 750px;
    height: auto;
    overflow: hidden;
}

.bg_02 img {
    position: relative;
    display: block;
    width: 675px;
    height: 1500px;
    margin: 0 auto;
    margin-top: 50px;
}

.title_img {
    width: 750px;
    height: 100px;
    padding: 60px 0 36px;
}


.title_img .text_title {
    width: 690px;
    margin-left: 30px;
    margin-top: 40px;
}

.title_img .btn2{
  width: 550px;
  margin-left: 100px;
}

.bg_03 {
    width: 750px;
    height: 1018px;
}

.swiper-slide img {
    display: block;
    margin: 0 auto;
    width: 572px;
    height: 1018px;
}

.footer {
    width: 750px;
    color: #000;
    font-size: 30px;
    padding-top: 50px;
    padding-bottom: 50px;
    text-align: center;
    line-height: 40px;
}

.footer a {
    text-decoration: none;
    color: #000;
}

.main{
  width: 750px;
  background-image: linear-gradient(#4269ED,#F6F7FE);
}

.swiper-button-prev:after{
  display: none;
}
.swiper-button-next:after{
  display: none;
}
/*再自定义样式*/
.swiper-button-prev{
  width: 56px;
  height: 128px;
  background: url('../image/left.png') no-repeat;
  bottom: 15px;
}
.swiper-button-next{
  width: 56px;
  height: 128px;
  background:url('../image/right.png') no-repeat;
  bottom: 15px;
}
.my-bullet-active{ 
  background: #CBCBCB; 
  border-radius: 50%;
} 
.swiper-pagination-bullet-active{ 
  width: 60px;
  height: 16px;
  background: #3E62EE; 
  border-radius: 10px;
}
.mainBtn{
  width: 750px;
  height: 100px;
}
.mainBtn .btn3{
  width: 550px;
  margin-left: 100px;
}


.tishi { 
  width:100%; 
  height:100%;
  background:rgba(2,2,2,.8);
  position:fixed; 
  top:0; 
  left:0; 
  z-index:2000;
}
.tishi>img{ 
  width:100%; 
  margin-top:10px;
}