*{
	margin: 0;
	padding: 0;
}
 a{
	color: #FFFFFF;
	text-decoration: none;
}
ul,li{
	list-style: none;
}
.one{
	background-image: url('imgs/bg_one.png');
	background-repeat: no-repeat;
}
header{
	box-sizing: border-box;
	position: absolute;
	width: 100%;
	padding: 3.75rem 7.5rem;
	display: flex;
	justify-content: space-between;
}
header ul{
	overflow: hidden;
	font-size: 30px;
}
header ul li{
	float: left;
	margin-right: 12.5rem;
}
header a{
	color: #FFFFFF;
	text-decoration: none;
}

header ul li:last-child{
	margin-right: 0;
}
.one-content{
	display: flex;
	justify-content: space-between;
	padding-top: 10rem;
}
.one-img-box{
	vertical-align: middle;
}
.one-info{
	flex: 1;
	margin-left: 7.5rem;
	color: #FFFFFF;
}

.one-info h1{
	font-size: 4.375rem;
	line-height: 6rem;
	font-family: "Arial, Helvetica, sans-serif";
	font-weight: 900;
	margin-bottom: 5.625rem;
}
.one-info p{
	font-size: 3.125rem;
	display: flex;
	align-items: center;
	margin-bottom: 4.75rem;
}
.one-info p img{
	margin-right: 3.4375rem;
}
.btn-box{
	text-align: center;
}
.download-btn{
	box-sizing: border-box;
	display: inline-block;
	width: 80%;
	height: 10rem;
	line-height: 11.5rem;
	background: #FFFFFF;
	border-radius: 5rem;
	text-align: center;
}
.two img{
    width: 100%;
}
.download-btn a{
	font-size: 50px;
	font-family: PingFangSC-Semibold, PingFang SC;
	font-weight: 600;
	color: #5D85FF;
	line-height: 70px;
	background: linear-gradient(148deg, #41A6FF 0%, #8C4DFD 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}
.two{
	background-image: url('imgs/bg_two.png');
	background-repeat: no-repeat;
}
.two ul{
	display: flex;
	flex-wrap: column;
	padding-top: 6.625rem;
	padding-bottom: 5.375rem;
}
.center-img-box{
	margin: 0 -6rem;
}
.two .word-box{
	text-align: center;
}
.two .word-box span{
	font-size: 2.5rem;
	font-family: PingFangSC-Semibold, PingFang SC;
	font-weight: 600;
	color: #000000;
	line-height: 56px;
}
.three{
	background-image: url('imgs/bg_three.png');
	background-repeat: no-repeat;
}
.three ul{
	display: flex;
	justify-content: space-between;
}

.three ul .info {
    padding-right: 6rem;
	font-size: 3.75rem;
	font-family: PingFangSC-Semibold, PingFang SC;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 5.25rem;
	padding-top: 18.375rem;
	padding-left: 0.75rem;
}
.three ul .BigImages img{
    height:1000px;
}
.three ul .infos {
	font-size: 3.75rem;
    width: 1000px;
	font-family: PingFangSC-Semibold, PingFang SC;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 5.25rem;
	padding-top: 18.375rem;
	padding-left: 4.75rem;
}
@media screen and (max-width: 600px){
    header{
        width:500px;
     padding-left: 20px;
    }
    .one header .Logo-box img{
        padding-left: -100px;
        width: 100%;
    }
   .one .one-content{
        display: flex;
        justify-content: center;
        flex-direction: column;
        padding-top: 10rem;
    }
    /* .one-content .one-img-box img{
        width: 70%;
    } */
    .two ul  {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        padding-top: 6.625rem;
        padding-bottom: 5.375rem;
    }
    .three ul{
        display: flex;
        justify-content: center;
        flex-direction: column;
    }
    .three ul .info{
        padding-top: 0rem;
width: 400px;
font-size: 20px;
    }
    .three ul .infos{
    
        padding-left: 5px;
        width: 400px;
        text-align: center;
        font-size: 23px;
            }
    .three ul img{
        width:80%
    }
    .three ul .BigImages img{
        height:100%
    }
    .one-info{
        flex: 1;
        margin-left: 4rem;
        color: #FFFFFF;
    }
    .one-info h1{
        font-size: 2.375rem;
        line-height: 4rem;
        font-family: "Arial, Helvetica, sans-serif";
        font-weight: 900;
        margin-bottom: 3.625rem;
    }
    .one-info p{
        font-size: 2.125rem;
        display: flex;
        align-items: center;
        margin-bottom: 2.75rem;
    }
    .one-info p img{
        width: 20%;
        padding-left: -4rem;
    }
.one  .one-content .one-img-box img{
        width: 80%;
        width: 350px;
        vertical-align: middle;
    }
    .two-img{
        width: 60%;
    }
    .two .word-box span{
        font-size: 1.5rem;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #000000;
        line-height: 56px;
    }
}