.product1 {
    background: url(../images_pc/product1bg.jpg) center no-repeat;
    background-size: cover
}

.product1 .wrap {
    padding-top: 176px;
    padding-bottom: 176px
}

.product1 .title {
    background: url(../images_pc/about1_titlezs.png) left center no-repeat;
    background-size: 38px;
    font-size: 48px;
    color: #ffffff;
    font-family: 'pingfang_h'
}

.product1 .text {
    width: 600px;
    margin-top: 18px;
    font-size: 18px;
    color: #ffffff;
    line-height: 1.77778;
    font-family: 'pingfang_m'
}

.product1 .title,
.product1 .text {
    padding-left: 68px
}

.product2 .wrap {
    padding-top: 40px;
    padding-bottom: 40px
}

.product2 .sty1 {
    background-color: #2a60c1;
    background-image: linear-gradient(to right, #2a60c1, #4788ff);
    border-radius: 20px;
    box-shadow: 0 40px 20px -38px #2a60c1;
    padding: 20px 0
}

.product2 .sty1 li {
    width: 25%;
    float: left
}

.product2 .sty1 li a {
    display: block;
    font-size: 20px;
    color: #ffffff;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'pingfang_m';
    line-height: 3;
    text-align: center;
    position: relative
}

.product2 .sty1 li a:after {
    content: "";
    width: 1px;
    position: absolute;
    left: 0;
    top: 34.78261%;
    bottom: 34.78261%;
    background: #ffffff;
    opacity: 0.7
}

.product2 .sty1 li:nth-child(4n+1) a:after {
    display: none
}

.product2 .sty1 li:hover a,
.product2 .sty1 li.active a {
    color: #ffffff;
    font-family: 'pingfang_b'
}

.product2 .sty1 li.active a:before {
    content: "";
    width: 5px;
    height: 5px;
    display: block;
    margin: 0 auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 22%;
    background: #ffffff;
    border-radius: 50%
}

.product2 .sty2 {
    margin-left: -3.78007%;
    margin-top: 40px
}

.product2 .sty2 li {
    width: 29.55326%;
    float: left;
    margin-left: 3.78007%;
    margin-bottom: 30px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 20px;
    transition: all linear 0.3s
}

.product2 .sty2 li a {
    display: block;
    padding: 10px 10px 0 10px
}

.product2 .sty2 li img {
    width: 100%;
    display: block;
    border-radius: 20px
}

.product2 .sty2 li strong {
    display: block;
    padding: 33px 0;
    font-size: 22px;
    color: #333333;
    font-family: 'pingfang_h';
    text-align: center
}

.product2 .sty2 li:hover {
    background: #eff5f7;
    border: 1px solid #cedce1
}

@media (max-width: 1600px) {
    .product1 .wrap {
        padding-top: 146px;
        padding-bottom: 146px
    }

    .product1 .title {
        font-size: 43px
    }

    .product2 .sty1 li a {
        font-size: 18px
    }

    .product2 .sty2 li {
        margin-bottom: 25px
    }

    .product2 .sty2 li strong {
        padding: 30px 0;
        font-size: 20px
    }
}

@media (max-width: 1440px) {
    .product1 .wrap {
        padding-top: 116px;
        padding-bottom: 116px
    }

    .product1 .title {
        font-size: 38px
    }

    .product1 .text {
        font-size: 16px
    }

    .product2 .sty1 li a {
        font-size: 16px
    }

    .product2 .sty2 li {
        margin-bottom: 20px
    }

    .product2 .sty2 li strong {
        padding: 27px 0;
        font-size: 18px
    }
}

@media (max-width: 1280px) {

    .product1 .wrap {
        padding-top: 86px;
        padding-bottom: 86px
    }

    .product1 .title {
        font-size: 33px
    }

    .product1 .text {
        font-size: 14px
    }

    .product2 .sty1 li a {
        font-size: 14px
    }

    .product2 .sty2 li {
        margin-bottom: 15px
    }

    .product2 .sty2 li strong {
        padding: 24px 0;
        font-size: 16px
    }
}