* {
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none;
}
header {
    box-shadow: 0px 5px 10px rgba(155, 174, 188, 0.254901960784314);
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    z-index: 99;
    background: #fff;
}
.header_zhan {
    width: 100%;
    height: 50px;
}
.menu_box {
    width: 54px;
    height: 50px;
    background: #0073bd;
    display: flex;
    align-items: center;
    justify-content: center;
}
.menu_icon {
    width: 18px;
    height: 20px;
}
.logo {
    width: 135px;
    height: 35px;
    margin-left: 20px;
}
.swiper_banner {
    width: 100%;
    height: 200px;
}
.banner {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
footer {
    background: #464646;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.f_logo {
    width: 145px;
    height: 40px;
    margin: 20px 0;
}
.footer_txt {
    font-weight: 300;
    font-style: normal;
    font-size: 12px;
    color: #AFAFAF;
    text-align: center;
    line-height: 20px;
}
.footer_code {
    width: 100px;
    height: 100px;
    margin-top: 20px;
}
.code_txt {
    font-weight: 300;
    font-style: normal;
    font-size: 12px;
    color: #F7F7F7;
    margin-top: 6px;
}
.menu_home {
    width: 100%;
    height: 100%;
    background: #0073bd;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transform: translateX(100%);
    transition: all .3s;
    overflow-y: auto;
}
.menu_home_a {
    transform: translateX(0);
}
.menu_home .menu_top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.menu_top .top_left {
    width: 54px;
    height: 54px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.top_left .close {
    width: 30px;
    height: 30px;
}
.menu_top .menu_logo {
    width: 130px;
    height: 40px;
    margin-right: 10px;
}
.menu_home .menu_list {
    margin-top: 30px;
}
.menu_home .menu_list .menu_item {
    height: 50px;
    padding: 10px 30px;
}
.menu_home .menu_list .menu_item_a {
    /*background: #4f9ed1;*/
    background-image: linear-gradient(to right, #0073bd , #4f9ed1 );
}
.menu_home .menu_list .menu_item .menu_num {
    font-size: 24px;
    color: #f1f1f1;
    font-weight: 300;
    width: 40px;
}
.menu_home .menu_list .menu_item .menu_name {
    margin-left: 40px;
    font-size: 14px;
    color: #f1f1f1;
    font-weight: 400;
    line-height: 28px;
}
.item_child {
    background: #005a9b;
    /*background-image: linear-gradient(to right, #0073bd , #005a9b);*/
}
.menu_child {
    display: block;
    height: 60px;
    line-height: 60px;
    font-weight: 400;
    font-style: normal;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.733333333333333);
}