.mobile_style {
    display: none;
}
.pc_style {
    display: block;
}
.download_hide {
    display: none;
}
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 59px;
    background: #fff;
    transform: translateY(-59px);
    transition: all 0.5s;
    z-index: 1000;
}
.nav .nav_pc {
    display: flex;
    width: 1080px;
    height: 100%;
    margin: 0 auto;
}
.nav .nav_pc .nav_left {
    display: flex;
    align-items: center;
    width: 40%;
    height: 100%;
}
.nav .nav_pc .nav_left img {
    width: 39px;
    height: 39px;
    margin-right: 13px;
}
.nav .nav_pc .nav_left .product_info .logotitle {
    font-weight: 700;
    font-size: 16px;
    line-height: 19px;
    color: #000;
}
.nav .nav_pc .nav_left .product_info p {
    font-weight: 400;
    font-size: 12px;
    line-height: 14px;
    color: #a0a0a0;
    margin-top: 5px;
}
.nav .nav_pc .nav_right {
    display: flex;
    width: 60%;
    height: 100%;
}
.nav .nav_pc .nav_right .list {
    width: 80%;
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.nav .nav_pc .nav_right .list li a {
    font-weight: 650;
    font-size: 14px;
    line-height: 17px;
    color: #606060;
}
.nav .nav_pc .nav_right .list li a:hover {
    color: #1e96ec;
}
.nav .nav_pc .nav_right .list .active a{
    color: #1e96ec;
}
.nav .nav_pc .nav_right .icons {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 20%;
    height: 100%;
}
.nav .nav_mobile {
    display: none;
}
.nav_show {
    transform: translateY(0px);
    box-shadow: 0 5px 4px rgba(0, 0, 0, 0.11);
}.nav {
     position: fixed;
     top: 0;
     width: 100%;
     height: 59px;
     background: #fff;
     transform: translateY(-59px);
     transition: all 0.5s;
     z-index: 1000;
 }
.nav .nav_pc {
    display: flex;
    width: 1080px;
    height: 100%;
    margin: 0 auto;
}
.nav .nav_pc .nav_left {
    display: flex;
    align-items: center;
    width: 40%;
    height: 100%;
}
.nav .nav_pc .nav_left img {
    width: 39px;
    height: 39px;
    margin-right: 13px;
}
.nav .nav_pc .nav_left .product_info .logotitle {
    font-weight: 700;
    font-size: 16px;
    line-height: 19px;
    color: #000;
}
.nav .nav_pc .nav_left .product_info p {
    font-weight: 400;
    font-size: 12px;
    line-height: 14px;
    color: #a0a0a0;
    margin-top: 5px;
}
.nav .nav_pc .nav_right {
    display: flex;
    width: 60%;
    height: 100%;
}
.nav .nav_pc .nav_right .list {
    width: 80%;
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.nav .nav_pc .nav_right .list li a {
    font-weight: 650;
    font-size: 14px;
    line-height: 17px;
    color: #606060;
}
.nav .nav_pc .nav_right .list li a:hover {
    color: #1e96ec;
}
.nav .nav_pc .nav_right .icons {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 20%;
    height: 100%;
}
.nav .nav_mobile {
    display: none;
}
.nav_show {
    transform: translateY(0px);
    box-shadow: 0 5px 4px rgba(0, 0, 0, 0.11);
}

@media screen and (max-width: 768px) {
    .pc_style {
        display: none !important;
    }
    .mobile_style {
        display: block;
    }

    .nav {
        width: 100%;
        height: 59px;
        background: #fff;
    }
    .nav .nav_pc {
        display: none;
    }
    .nav .nav_mobile {
        display: flex;
        justify-content: space-between;
        width: 93%;
        height: 100%;
        margin: 0 auto;
        z-index: 100;
    }
    .nav .nav_mobile .nav_left {
        display: flex;
        align-items: center;
        width: 20%;
        height: 100%;
    }
    .nav .nav_mobile .nav_left img {
        width: 39px;
        height: 39px;
    }
    .nav .nav_mobile .nav_right {
        display: flex;
        justify-content: flex-end;
        width: 60%;
        height: 100%;
    }
    .nav .nav_mobile .nav_right .icons {
        display: flex;
        justify-content: space-around;
        align-items: center;
        width: 60%;
        height: 100%;
    }
    .nav .nav_mobile .nav_right .list {
        position: relative;
        width: 20%;
        height: 100%;
    }
    .nav .nav_mobile .nav_right .list .list_icon {
        position: absolute;
        top: 15px;
        left: 10px;
    }
    .nav .nav_mobile .nav_right .list .list_data {
        display: none;
        box-sizing: border-box;
        position: absolute;
        top: 59px;
        left: -70px;
        width: 125px;
        height: 143px;
        background: #fff;
        box-shadow: 0 6px 13px rgba(0, 0, 0, 0.17);
        border-radius: 0 0 12px 12px;
        padding: 12px 16px;
    }
    .nav .nav_mobile .nav_right .list .list_data li {
        margin: 8px 0;
    }
    .nav .nav_mobile .nav_right .list .list_data li a {
        font-weight: 650;
        font-size: 14px;
        line-height: 17px;
        color: #606060;
    }
    .nav .nav_mobile .nav_right .list .list_data li a:hover {
        color: #1e96ec;
    }
    .nav .nav_mobile .nav_right .list:hover .list_data {
        display: block;
    }
}