.part1{
    position: relative;
}

.part1 img{
    display: block;
    width: 100%;
}

.part1-introduce{
    position: absolute;
    top: 40%;
    left: 20%;
    
}

.part1-introduce p:nth-child(1){
    font-size: 30px;
    font-weight: bold;
    color: #242933;

}


.part1-introduce p:nth-child(2){
    font-size: 24px;
    font-weight: 500;
    color: #242933;

}


/* part2 */

.part2{
    /* margin: 0 20%; */
    margin: 0 auto;
    max-width: 1200px;
}

.part2-1{
    width: 100%;
}
.part2-1 a{
    color: #242933;
    font-size: 16px;
    font-weight: 500;
}
.part2-1 ul{
    display: flex;
    justify-content: space-between;
    background-color: #ECECEC;
    margin: 50px 0;

    
}

.part2-1 li{
    height: 50px;
    line-height: 50px;
    
    width: 100%;
    list-style: none;
    display: inline-block;
    text-align: center;
}

.part2-1 li:nth-child(3){
    background: #4772FF;
}
.part2-1 ul li:nth-child(3) a{
    color: white;
}



/* part2-2 */

.part2-2{
    position: relative;
    margin-bottom: 50px;
}

.part2-2 img{
    width: 100%;
    border-radius: 30px;
    display: block;
}
.product-introduce{
    position: absolute;
    top:50%;
    left:10%;
    transform:translateY(-50%);
}

.product-introduce p:nth-child(-n+2){
    font-size: 26px;
    font-weight: 800;
    /* color: #242933; */

}

.product-introduce p:nth-child(n+3){
    font-size: 16px;
    font-weight: 500;
    /* color: #242933; */
    line-height: 30px;

}

.product-introduce p:nth-child(3){
    margin-top: 20px;
}


.product-introduce a{
    /* color: #242933; */
}
.product-introduce>span:hover{
    border: 2px solid #4772FF;
}

.product-introduce>span:hover .a-more{
    color:#4772FF ;
}

.product-introduce a:hover{
    color: #4772FF;
}

.product-introduce span:nth-child(5){
    display: inline-block;
    /* border: 2px solid #242933; */
    margin-top: 50px;
    padding: 5px 20px;
    border-radius: 30px;
}

.product-introduce-black a:hover{
    color: #4772FF;
}
.product-introduce-black span:hover{
    border-color: #4772FF!important;
}
.product-introduce-black a{
    color: #242933;
}
.product-introduce-white a{
    color: white;
}
.product-introduce-white span:hover{
    border-color: #4772FF!important;
}
.product-introduce-white a:hover{
    color: #4772FF;
}
.product-introduce-black span:nth-child(5){
    border: 2px solid #242933;
}
.product-introduce-white span:nth-child(5){
    border: 2px solid white;
}
/* #part2-1 span{
    color: white!important;
} */


/* mini */
@media only screen and (max-width:1200px) {
    .part1 img{
        content: url(img/mobile_parts_part1_1.jpg);
    }


    .part2 .part2-2:nth-child(2) img{
        content: url(img/mobile_parts_part2_1.jpg);
    }

    .part2 .part2-2:nth-child(3) img{
        content: url(img/mobile_parts_part3_1.jpg);
    }

    .part2 .part2-2:nth-child(4) img{
        content: url(img/mobile_part2_3.jpg);
    }

    .part2 .part2-2:nth-child(5) img{
        content: url(img/mobile_part2_4.jpg);
    }

    .part2 .part2-2:nth-child(6) img{
        content: url(img/mobile_part2_5.jpg);
    }


    .part1-introduce{
        width: 100%;
        left: 0px;
        top: 10%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .part2{
        margin: 0 10px;
    }

    .product-introduce{
        position: absolute;
        top:5%;
        left:0;
        width: 100%;

        text-align: center;
        transform:translateY(0%);
    }

    .product-introduce p:nth-child(3){
        margin-top: 10px;
    }
    .product-introduce span:nth-child(5){
        margin-top: 10px;
    }

    .part2-1 a{
        font-size: 16px;
    }

}