.phone-show{
    display: none;
}
.banner .swiper-slide img{
    width: 100%;
}
@media screen and (max-width: 760px) {
    .phone-show{
        display: block;
    }

    .nav{
        display: none;
        position: absolute;
        left: 0;
        top: 60px;
        background: #4289d9;
        width: 92%;
        padding: 10px 4%;
        z-index: 100;
    }

    header .nav .nav-item{
        line-height: 35px;
        text-align: left;
    }

    header{
        height: 60px;
        line-height: inherit;
    }

    .logo{
        margin-left: 15px;
        margin-top: 5px;
    }

    .logo img{
        max-height: 50px;
    }

    .nav-menu span{
        display: block;
        width: 40px;
        height: 3px;
        background: #fff;
        border-radius: 3px;
        margin-bottom: 7px;
    }

    .nav-menu span:last-child{
        margin-bottom: 0;
    }

    header .container{
        justify-content: space-between;
        align-items: center;
    }

    .nav-menu{
        margin-right: 15px;
    }

    header .nav .nav-item i.fa{
        position: absolute;
        right: 0;
        top: 10px;
        color: rgba(255, 255, 255, 0.8);
    }
}