.header_box{
    position: fixed;
    width: 100%;
    z-index: 999;
    top: 0;
    left: 0;
}

.header_box_bg{
    background: #25436d;
}
.header_center{
    width: 18rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.15rem;
}
.logo_xbox{
    width: 1.82rem;
    height: 0.3rem;
    display: block;
}
.logo_xbox img{
    width: 100%;
    height: 100%;
}
.header_bigbox{
    display: flex;
}
.header_nav{
    display: flex;
}
.nav_items{
   padding: 0.23rem 0.3rem;
    display: block;
    color: #68A5E1;
    font-size: 0.16rem;
    /* background: purple; */
    position: relative;
}
.nav_items::after{
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width:0;
    height: 0.02rem;
    background: #fff;
    transition: ease .25s;
}
.a_xbox{
    position: relative;
    margin: 0 0.1rem;
}
.nav_twobox{
    position: absolute;
    left:50%;
    transform: translateX(-50%);
    width: 150%;
    padding-top:0.15rem;
    display: none;
}
.twonav_items{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.2rem 0;
    color: #214168;
    font-size: 0.16rem;
    background: #fff;
}
.twonav_items:hover{
    background: #ececec;
}
.a_xbox:hover .nav_twobox{
    display: block;
}
.a_xbox:hover .nav_items::after{
    width: 100%;
}
.a_xbox:hover .nav_items{
    color: #fff;
}

.header_lastbox_content{
    cursor: pointer;
    position: relative;
    /* background: #096; */
}
.header_lastbox{
    height: 100%;
    display: flex;
    align-items: center;
    /* background: palegoldenrod; */
}
.header_img{
    width: 0.18rem;
    height: 0.18rem;
    display: block;
}
.header_img img{
    width: 100%;
    height: 100%;
}
.header_text{
    color: #68A5E1;
    font-size: 0.16rem;
    margin: 0 0.1rem;
}
.header_bottom{
    width: 0.1rem;
    height: 0.05rem;
    display: block;
}
.header_bottom img{
    width: 100%;
    height: 100%;
}

.iphone_top{
    display: none;
}
.iphone_navbox{
    display: none;
}
@media screen and (max-width:1024px){
    .header_center{
        display: none;
    }
    .iphone_top{
        width: 100%;
        height: 1rem;
        display: block;
        padding: 0 15px;
        position: fixed;
        top: 0;
        left: 0;
        background: #25436d;
        z-index: 99;
        box-shadow: 0 0.05rem 0.03rem 0.01rem rgba(0,0,0,.15);
    }
    .iphone_top_content{
        height: 100%;
        display: flex;
        justify-content:space-between;
        align-items: center;
    }
    .iphone_logo{
        height: .5rem;
    }
    .iphone_logo img{
        width: auto;
        height: 100%;
    }
    .iphone_menus{
        width: 0.7rem;
        height: 0.7rem;
    }
    .iphone_menus img{
        width: 100%;
        height: 100%;
    }
    .iphone_mb{
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(0,0,0,.85);
        z-index: 55;
        display: none;
        
    }
    .iphone_abox{
        /*padding-top: 0.15rem;*/
        padding: 0.15rem 0.4rem 0;
    }
    .iphone_navbox{
        position: fixed;
        width: 75%;
        height: 100%;
        left: -100%;
        top: 1rem;
        background: #25436d;
        z-index: 88;
        display: block;
    }
    .iphone_a{
        color: #fff;
    }
    .iphone_a{
        font-size: 16px;
        display: block;
    }
    .iphone_xbox{
        padding: 0.25rem 0.4rem;
        border-bottom:0.01rem solid #ccc ;
    }
    .iphone_xbox_two{
        padding-left: 0.3rem;
        display: none;
    }
    .iphone_twonav{
     
        font-size: 16px;
        color: #a9a9a9;
        padding-top: 0.3rem;

    }
    .iphone_xbox a{
        -webkit-tap-highlight-color: rgba(255,255,255,0);
        -webkit-user-select: none;
        -moz-user-focus: none;
        -moz-user-select: none;
    }
   .header_center{
        width: 100% !important;
        
    }
    .iphone_xbox_two a{
        display: block;
    }
    .iphone_twonav{
        color: #fff;
    }
}