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

html{
    margin: 0 !important;
}

body{
    display: block !important;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

a{
    text-decoration: none;
}

ul{
    list-style: none;
}

button{
    width: 200px;
    height: 50px;
    font-size: 16px;
    background: #2B5AFF;
    border-radius: 25px;
    border: 0;
    color: #FFFFFF !important;
}

button:hover{
    background: #6889ff;
}

img{
    image-rendering: -webkit-optimize-contrast;
}

@media(min-width:769px) {
    .part_con{
        width: 75%;
        margin: auto;
        padding: 50px 0;
        font-family: Arial;
    }

    .title{
        position: relative;
        font-family: Microsoft YaHei;
        color: #333333;
        margin: auto;
        text-align: center;
        margin-bottom: 70px;
    }

    .title h2{
        font-size: 36px;
        font-weight: bold;
    }

    .info{
        color: #666666;
        width: 80%;
        margin: 0 auto;
        margin-bottom: 80px;
        text-align: center;
        font-size: 16px;
    }
    
    /* part_one */
    .part_one{
        width:100%;
        overflow: hidden;
        background-size:100% 100%;
        background: #fff;
    }

    .part_one .part_con{
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 80px;
    }

    .part_one .text{
        width: 42%;
    }

    .part_one .image{
        width: 52%;
    }

    .part_one h1{
        font-size: 32px;
        font-family: 苹方-简, 苹方-简-Semibold;
        font-weight: bold;
        line-height: 50px;
    }

    .part_one p{
        margin: 30px 0 70px 0;
        font-size: 16px;
        line-height: 23px;
    }

    .part_one a{
        color: #fff;
    }

    .part_two{
        background: #f6f6f6;
    }

    .part_two .content{
        display: flex;
        justify-content: space-between;
        margin-bottom: 60px;
    }

    .part_two .item{
        width: 28%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 60px;
        background: #ffffff;
        border-radius: 10px;
        box-shadow: 0px 0px 20px 8px rgba(25,65,106,0.05); 
    }

    .part_two .item .image{
        width: 50px;
    }

    .part_two .item h3{
        margin: 30px 0 20px 0;
        font-size: 18px;
        line-height: 22px;
        color: #000;
    }

    .part_two .item p{
        line-height: 20px;
        font-size: 14px;
        color: #666666;
    }

    .part_two_home{
        background: #fff;
    }

    .part_three .content{
        display: flex;
        justify-content: space-between;
        margin-bottom: 60px;
    }

    .part_three .item{
        width: 28%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .part_three .item .image{
        width: 64px;
        height: 64px;
        background: #2793ff;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .part_three .item img{
        width: 32px;
    }

    .part_three .item h3{
        margin: 30px 0 20px 0;
        font-size: 18px;
        line-height: 22px;
        color: #000;
    }

    .part_three .item p{
        line-height: 20px;
        font-size: 14px;
        color: #666666;
    }


    .part_two_home .content{
        display: flex;
        justify-content: space-between;
        margin-bottom: 45px;
    }

    .part_two_home .item{
        width: 28%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .part_two_home .item .image img{
        width: 50px;
        height: 50px;
    }

    .part_two_home .item h3{
        font-size: 18px;
        height: 55px;
        margin-top: 30px;
        line-height: 1.2;
    }

    .part_two_home .item p{
        color: #666666;
        font-size: 16px;
        line-height: 1.2;
    }



}

@media(max-width:769px) {
    body{
        background-color: #fbfbfb !important;
    }

    body{
        min-width: 100%;
    }
    .part_con{
        width: 100%;
        padding: 30px 25px 40px 25px;
        margin: auto;
        font-family: Arial;
        background: #fff;
        margin-top: 20px;
    }
    
    .title {
        font-size: 20px;
        font-family: PingFang SC;
        font-weight: bold;
        color: #333333;
        margin-bottom: 25px;
    }

    .title h2{
        font-size: 20px;
        font-family: PingFang SC;
        font-weight: bold;
        color: #333333;
    }

    h3{
        font-size: 16px !important;
    }

    .info{
        color: #333333;
        margin: 0 auto;
        margin-bottom: 48px;
        font-size: 14px;
    }

    /* part_one */
    .part_one{
        width:100%;
        overflow: hidden;
        background-size:100% 100% !important;
    }

    .part_one .part_con{
        background: none;
    }

    .part_one a{
        color: #fff;
    }

    .part_one .image{
        display:none
    }

    .part_one h1{
        font-size: 28px;
        font-family: 苹方-简, 苹方-简-Semibold;
        font-weight: bold;
        line-height: 35px;
    }

    .part_one p{
        margin: 20px 0;
        font-size: 14px;
    }

    /* part_two */
    .part_two .item{
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
        background: #ffffff;
        border-radius: 10px;
        box-shadow: 0px 0px 20px 8px rgba(25,65,106,0.05); 
        padding: 30px;
        margin-bottom: 40px;
    }

    .part_three .item .image{
        width: 64px;
        height: 64px;
        background: #2793ff;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .part_three .item img{
        width: 32px;
    }
    
    .part_two .item h3{
        margin: 20px 0;
        font-size: 16px;
        line-height: 22px;
    }
    
    .part_two .item p{
        line-height: 20px;
        font-size: 14px;
        color: #666666;
    }

    /* part_three */
    .part_three .item{
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
        padding: 30px;
        margin-bottom: 40px;
    }
    
    .part_three .item h3{
        margin: 20px 0;
        font-size: 16px;
        line-height: 22px;
    }
    
    .part_three .item p{
        line-height: 20px;
        font-size: 14px;
        color: #666666;
    }


    /* part_two */
    .part_two_home .item{
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
        background-color: #fff;
        box-shadow: 0px 0px 20px 0px rgba(115,124,156,0.3);
        padding: 30px;
        margin-bottom: 2.5rem;
    }

    .part_two_home .item h3{
        font-size: 18px !important;
        margin: 22px 0;
    }

    .part_two_home .item .image img{
        width: 50px;
        height: 50px;
    }

    .part_two_home .item p{
        color: #666666;
        font-size: 14px;
        line-height: 1.2;
    }

}