* {
    box-sizing: border-box !important;
    list-style: none;
    padding: 0;
    margin: 0;
    text-decoration: none;
}

html {
    scroll-behavior: smooth;

}

body {
    /* color: #666666; */
    font-size: .875rem;
    /* font-family: "Roboto", sans-serif; */
    font-weight: normal;
}

.header-img {
    width: 100%;
    height: 67.5rem;
    background: url(../img/hexinbg.png) no-repeat;
    background-size: 100% 100%;
}

.container1 {
    width: 100%;
    height: 72.9375rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(180deg, #F4F5F9 0%, #FFFFFF 100%);

}

.container2 {
    width: 100%;
    height: 58.5625rem;
    display: flex;
    flex-direction: column;
    align-items: center;

}
.container3 {
    width: 100%;
    text-align: center;
}
.container3-box {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}
.container3-box .box-img{
    width: 18.375rem;
    height: 25.625rem;
    background: url(../img/core/2.png) no-repeat;
    background-size: 100% 100%;
}
.container3-box .box-img1{
    width: 18.375rem;
    height: 25.625rem;
    background: url(../img/core/1.png) no-repeat;
    background-size: 100% 100%;
}
.box-title {
    background: #F4F5F9;
    width: 50%;
    text-align: left;
    padding: 3.25rem 0;
    padding-left: 1rem;
}
.box-title p{
    /* height: 2.625rem; */
    font-size: 1.75rem;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #373737;
    line-height: 3.625rem;
}
.title {
    font-size: 3.75rem;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #373737;
    line-height: 5.25rem;
    margin-top: 6.6875rem;
}

.container-p {
    width: 74.625rem;
    font-size: 1.75rem;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #373737;
    line-height: 2.625rem;
    margin-top: 5rem;
}

.container-img1 {
    width: 75rem;
    height: 41.25rem;
    background: url(../img/core1.png);
    background-size: 100%;
    margin-top: 1.5rem;
}

.container-img2 {
    width: 75rem;
    height: 41.25rem;
    background: url(../img/core2.png);
    background-size: 100% 100%;
    margin-top: 1.5rem;
}

.container-img3 {
    width: 75rem;
    height: 41.25rem;
    background: url(../img/core3.png);
    background-size: 100% 100%;
    margin-top: 1.5rem;
}

.container-p2 {
    width: 75rem;
    height: 4.125rem;
    font-size: 1.5rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #000;
    line-height: 2.0625rem;
    margin-top: 1.5rem;
}


@media screen and (max-width: 750px) {
    .header-img {
        height: 40vh;
        background-size: contain;
        background-position: center;
    }

    .title {
        font-size: 1.875rem;
        line-height: 1.875rem;
        margin-top: 1.875rem;
    }

    .container-img1, .container-img2, .container-img3 {
        width: 22.5rem;
        height: 12.5rem;
    }

    .container1 {
        height: 30.625rem;

    }
    .container2 {
        margin-top: 1.25rem;
        height: 18.75rem;
    }
    .container-p {
        width: 22.5rem;
        height: 1.875rem;
        font-size: .875rem;
        margin-top: .9375rem;
    }

    .container-p2 {
        font-size: 1rem;
        width: 22.5rem;
        height: 1.875rem;
    }
    .container3 {
        display: none;
    }
}