*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: pointer
}

html {
    height: 100%;
	font-size: 16px;
	line-height: 1.15;
	margin-top: 0 !important;
}

body{
    width: 100%;
    height: 100%;
    margin: 0;
    max-width: 679px;
}

.part2_con{
    height: 100%;
    padding: 50px 30px; 
    font-family: Arial;
    margin: auto;
}


ul{
    list-style: none;
}


/*one*/
.one{
    margin-top: 55px;
    text-align: left;
}

.one .part2_con{
    padding: 15px
}

.one h1{
    font-size: 1.8rem;
    font-family: PingFang SC, PingFang SC-500;
    font-weight: bold;
    text-align: left;
    color: #000000;
    line-height: 2.5rem;
}

.one p{
    font-size: 1rem;
    font-family: PingFang SC, PingFang SC-500;
    font-weight: normal;
    text-align: left;
    color: #484848;

}

.one button{
    width: 8.75rem;
    height: 3.125rem;
    background: #2793ff;
    border-radius: .25rem;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-500;
    color: #ffffff;
    border: 0;
}

.oneLeft button:hover{
    background-color: #7db5ee
}

/*two*/
.two{
    width: 100%;
    background-color: #ffffff;
}
.two h2{
    font-size: 1.6rem;
    font-family: PingFang SC, PingFang SC-500;
    display: flex;
    justify-content: center;
    color: #000000;
    line-height: 48px;
    font-weight: 600;
    padding-top:48px
}
.two p{
    height: 25px;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-500;
    font-weight: normal;
    text-align: center;
    color: #484848;
    margin-top: 20px;
}
/* .twoCenter{
    display: flex;
} */
.twonav li {
    width: 100%;
    font-family: PingFang SC;
    color: #999999;
    font-size: 18px;
    padding-bottom: 20px;
    border-left: 2px solid #bdc4ce;
    padding-left: 25px;
    position: relative;
}

.twonav li .info{
    display: flex;
}

.vertical{
    margin-left: -6px;
    width: 10px;
    height: 32px;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #2793FF;
    border-radius: 4px;
}


.twonav .active{
    color: #2793ff;
}

.twonav .number{
    margin-right: 25px;
}
.twoimg{
    margin-top: 5px;
    background: #ffffff;
    border: 1px solid #f2f4f6;
    border-radius: 10px;
    box-shadow: 0px 2px 12px 10px rgba(238, 238, 238, 0.4), 0px 2px 12px 8px rgba(244, 243, 243, 0.1); 
}

.twoimg .imgtop{
    position: relative;
    background-color: #f2f4f6;
    height: 40px;
    border-radius: 10px 10px 0 0;
}

.twoimg .imgtop div{
    display: inline-block;
    width: 15px;
    height: 15px;
    border-radius: 50%;
}

.twoimg .imgtop div:first-child{
    position: absolute;
    background-color: #febc2e;
    top: 13px;
    left: 20px;
}

.twoimg .imgtop div:nth-child(2){
    background-color: #ff6058;
    position: absolute;
    top: 13px;
    left: 54px;
}

.twoimg .imgtop div:nth-child(3){
    background-color: #27c840;
    position: absolute;
    top: 13px;
    left: 88px;
}

.twoimg .imgfooter{
    margin: 30px 20px;
}

.twoimg .imgfooter img{
    width: 100%;
    background-size: cover;
    border-radius: 10px;
    image-rendering: -webkit-optimize-contrast;
}


/*three*/
.three{
    background:  #fafbfc;
    display: flex;
    justify-content: center;
}
.threeCenter{
    width: 100%;
    height: auto;
    background: #FFFFFF;
    border: 1px solid #ECECEC;
    box-shadow: 2px 6px 18px 0px rgb(55 68 98 / 12%);
    border-radius: 15px;
    padding: 10px;
}
.threeCenter h2{
    height: 48px;
    font-size: 1.6rem;
    font-family: PingFang SC, PingFang SC-500;
    font-weight: bold;
    text-align: center;
    color: #000000;
    line-height: 48px;
    margin: 20px auto;
} 
/* .threeCenter ul{
    display: flex;
} */

.threeCenter li{
    height: 265px;
    width: 255px;
    margin: 0 auto;
}

.threeCenter li span{
    display: inline-block;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 500;
    text-align: center;
    color: #000000;
    line-height: 24px;
   
}

/*four*/
.four{
    width: 100%;
    height: 1370px;
}

.four h2{
    font-size: 1.6rem;
    font-family: PingFang SC, PingFang SC-500;
    display: flex;
    justify-content: center;
    color: #000000;
    font-weight: bold;
    margin-bottom: 20px;
    margin-top: 10px;
}

.four p{
    height: 48px;
    font-size: 1.4rem;
    font-family: PingFang SC, PingFang SC-500;
    display: flex;
    justify-content: center;
    line-height: 48px;
    font-weight: 600;
}

.four p .starting{
    color: #666;
    font-size: 1.4rem;
    margin-right: 10px;
}

.four .select{
    display: flex;
    justify-content: center;
    font-size: .875rem;
    margin: 20px 0;
    color: #8abbeb;
}

.four ul{
    justify-content: center;
}

.four ul li{
    width: 250px;
    height: 270px;
    border: 1px solid #95B8E7;
    border-radius: 10px;
    margin: 10px;
    text-align: center;
    margin: 10px auto;
}

.four ul li .f1 {
    margin: 20px;
    font-size: 2.25rem;
    font-weight: bold;
    color: #000000
}

.four ul li .f1 span:last-child{
    font-size: 1rem;
    color: #666;
    
}

.four ul li .f2{
    width: 95%;
    height: 70px;
    margin: auto;
    font-size: 0.875rem;
}

.four ul li .f22{
    height: 70px;
    font-size: 0.875rem;
}

.four .fourTop{
    font-size: 1.5rem;
    color:#000000;
    line-height:60px;
    text-align: center;
    font-weight: 500;
    border-bottom: 1px solid #dfe1e6;
}

.four ul li button{
    width: 120px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    background-color: #fff;
    color: #2793FF;
    border: 1px solid #2793FF;
    border-radius: 3px;
    margin-bottom: 5px;
}

.four ul li button:hover{
    width: 120px;
    height: 35px;
    background: #2793ff;
    color: #ffffff;
    text-align: center;
    line-height: 35px;
    border: 1px solid #2793FF;
    border-radius: 3px;
    margin-bottom: 5px; 
}

.four ul li:first-child button{
    width: 120px;
    height: 35px;
    background: #2793ff;
    color: #ffffff;
    text-align: center;
    line-height: 35px;
    border: 1px solid #2793FF;
    border-radius: 3px;
    margin-bottom: 5px;
}

.four ul li:first-child button:hover{
    background-color: #7db5ee
}

.four .fourFooter{
    width: 200px;
    margin: 0 auto;
    margin-top: 20px;
}

.four .detail{
    width: 200px;
    font-size: 1.25rem;
    background-color: #fff;
    line-height: 40px;
    border: 1px dashed #2793FF;
    border-radius: 20px;
    color: #000000;
}

.four .sflow-a-btn{
    display: block;
    width: 200px;
    font-size: 1.25rem;
    background-color: #fff;
    line-height: 40px;
    text-align: center;
    border: 1px dashed #2793FF;
    border-radius: 20px;
    color: #000000;
}

.four .detail:hover{
    color: #ffffff;
    background: #2793FF;
}

.four .sflow-a-btn:hover{
    color: #ffffff;
    background: #2793FF;
}

/*five*/
.five{
    width: 100%;
    background: #fafbfc;
}

.five p{
    font-size: 1.6rem;
    font-family: PingFang SC, PingFang SC-500;
    display: flex;
    justify-content: center;
    color: #000000;
    line-height: 30px;
    font-weight: bold;
    text-align: center;
}

.five p:nth-child(2){
    font-weight:normal
}

.five .info{
    font-size: 18px;
    font-weight:normal;
    color: #888;
    text-align: center;
    line-height: 24px;
}

.five .center{
    width: 300px;
    height: 680px;
    margin: auto;
    text-align: center;
}


.five .img-part-1{
    width: 100%;
    margin: 10px auto;
}
.five .img-part-2{
    width: 100%;
    margin: 10px auto;
}
.five .img-part-3{
    width: 100%;
    margin: 10px auto;
}

/*six*/
.six{
    width: 100%;
    background: #f2f4f7;
}
.six p{
    height: 48px;
    font-size: 36px;
    font-family: PingFang SC, PingFang SC-500;
    font-weight: normal;
    text-align: center;
    color: #000000;
    line-height: 48px;
    padding-top: 40px;
}
.six ul{
    display: flex;
    margin-top: 128px;
    justify-content: center;
}
.six li{
    width: 370px;
    height: 270px;
    background: #ffffff;
    border-radius: 4px 30px 30px 30px;
    margin-right: 50px;
}

/*seven*/
.seven{
    display: flex;
    flex-wrap: wrap;
}

.seven .part6_one img{
    width: 100%;
    height: auto;
    vertical-align: middle;
    margin: 0 auto;
}

.seven .part_one_info{
    display: flex;
    flex-direction: column;
    margin: 5%;
    line-height: 43px;
}

.seven .c9{
    font-size: 16px;
    font-weight: 600;
    color: #191919;
    line-height: 40px;
    margin-right: 10px;
}

.seven .info{
    display: flex;
}
.seven .info:last-child{
    display: block;
}

.part6_two{
    width: 100%;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.seven .part6_two_titl{
    font-size: 1.6rem;
    font-weight: 600;
}

.seven .part6_two_text{
    color: #191919;
    line-height: 31px;
    margin: 20px 0;
    font-size: 1rem;
    text-align: left;
}

.seven input{
    width: 80%;
    height: auto;
    background: #FAFAFA;
    border: 1px solid #DFDFDF;
    border-radius: 4px;
    margin: 5px auto;
    line-height: 31px;
    text-indent: 2rem;
}

.seven textarea{
    width: 80%;
    height: 200px;
    margin: auto;
    background: #FAFAFA;
    border: 1px solid #DFDFDF;
    border-radius: 4px;
    line-height: 31px;
    text-indent: 2rem;
    margin: 5px auto;
}

.seven .part6_btn{
    width: 60%;
    height: auto;
    background: #2793FF;
    border-radius: 23px;
    border: transparent;
    line-height: 45px;
    margin: 30px auto;
    text-align: center;
    cursor: pointer;
    color: #ffff;
}

.seven .part6_btn:hover{
    background-color: #7db5ee
}

.seven span{
    display: block;
    color: #999;
}
.seven .part2_con{
    padding-bottom: 0;
}

/* switch开关 */
.four > .select {
    display: flex;
    color: #8abbeb;
    line-height: 38px;
    margin-bottom: 10px;
  }
  .four > .select > .switch-box {
    margin: auto 10px;
    width: 40px;
  }
  .four > .select > .switch-box > .switch {
    /* 隐藏checkbox默认样式 */
    display: none;
  }
  .four > .select > .switch-box > .switch:checked ~ label::before {
    /* 语义：被选中的类名为"switch"元素后面的label元素里的伪类元素，进行更改css样式 */
    /* 形成伪类结构选择器：":"冒号加布尔值"checked" */
    /* " Ele1 ~ Ele2 "波浪号在css的作用：连接的元素必须有相同的父元素，选择出现在Ele1后的Ele2（但不必跟在Ele1，也就是说可以并列）  */
    -webkit-transform: translateX(9px);
    -moz-transform: translateX(9px);
    transform: translateX(9px);
  }
  .four > .select > .switch-box > .switch:checked ~ label::after {
    background-color: #409eff;
  }
  .four > .select > .switch-box label {
    /* 通过label扩大点击热区 */
    position: relative;
    display: block;
    margin: 1px;
    height: 20px;
    cursor: pointer;
  }
  .four > .select > .switch-box label::before {
    /* before设置前滚动小圆球 */
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -8px;
    margin-left: -8px;
    width: 16px;
    height: 16px;
    border-radius: 100%;
    background-color: #fff;
    box-shadow: 1px 1px 1px 1px rgba(0, 0, 0, 0.06);
    /* 通过transform、transition属性控制元素过渡进而形成css3动画 */
    -webkit-transform: translateX(-9px);
    -moz-transform: translateX(-9px);
    transform: translateX(-9px);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .four > .select > .switch-box label::after {
    /* after设置滚动前背景色 */
    content: "";
    display: block;
    border-radius: 10px;
    height: 20px;
    background-color: #dcdfe6;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }

/* 下拉框三角 */
/*图标向上旋转*/
.hover-up{
    transition-duration: .5s;
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
}
/*图标向下旋转*/
.hover-down{
    transition-duration: .5s;
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
}

.three_PM .info:first-child{
    margin-bottom: 30px;
}

.three_PM .info img{
    width: 100%;
    height: 100%;
    margin: 5px;
}

.three_PM .title{
    font-size: 1.6rem;
    font-family: PingFang SC, PingFang SC-500;
    display: flex;
    justify-content: center;
    color: #000000;
    line-height: 48px;
    font-weight: 600;
    padding-top:48px
}