.nav-box{
    width: 100%;
    height: 80px;
    line-height: 80px;
    background: #fff;
}
.nav-banxin{
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.nav-logo{
    width: 137px;
    
    height: 36px;
}
.tel{
    width: 176px;
    height: 24px;
}
.nav-logo img,.tel img{
    width: 100%;
    vertical-align: middle;
}
.navigation{
    width: calc(100% - 160px);
    text-align: right;
}
.navigation ul {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-gap: 0;
    text-align: center;
}
.navigation ul li{
    /* display: inline-block; */
    font-size: 17px;
    color: #212121;
    /* margin-left: 60px; */
}
.navigation ul li a{
    display: inline-block;
    cursor: pointer;
}
.active,.active1{
    font-weight: bold;
    position: relative;
}
.active::before,.active1::before{
    content: '';
    width: 100%;
    height: 2px;
    background: #C7000A;
    position: absolute;
    bottom: 0;
}
.arrow-down,.arrow-up{
    position: relative;
}
.arrow-down::after,.arrow-up::after{
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-top: 1px solid #2E2E46;
    border-right: 1px solid #2E2E46;
    position: absolute;
    right: -15px;
}
.arrow-down::after{
    top: 45%;
    transform: rotate(135deg);
    -webkit-transform: rotate(135deg);
}
.arrow-up::after{
    top: 49%;
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);   
}
/* 浜岀骇瀵艰埅 */
.sub-navigation{
    width: 100%;
    height: 60px;
    line-height: 60px;
    margin: auto;
    border-top: 1px solid #E6E6E6;
    background: #fff;
    display: none;
}
.sub-navigation ul {
    width: 50%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.sub-navigation ul li a{
    display: inline-block;
    font-size: 18px;
    color: #212121;
}
/* .sub-navigation ul li a:hover{
    border-bottom: 2px solid #C7000A;
} */
.icon-nav{
    width: 30px;
}
.icon-nav img{
    width: 100%;
    vertical-align: middle;
    cursor: pointer;
}
/* 鏍煎鐨� */
.shu-box{
    width: 100%;
    background: rgba(255,255,255,.5);
    padding: 10px 0;
}
.shu-box ul{
    width: 85%;
    margin: auto;
}
.shu-box ul li{
    line-height: 30px;
    font-size: 16px;
    color: #212121
}
.fixednav1{
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}
/* 灏忓瀷璁惧锛堝钩鏉跨數鑴戯紝768px 浠ヤ笂锛�*/
@media screen and (max-width:1280px) { 
    .nav-banxin{
        width: 90%;
    }
    .navigation ul li{
        font-size: 15px;
    }
    /* .sub-navigation ul{
        width: 90%;
    } */
}
@media screen and (max-width:900px) { 
    .sub-navigation ul{
        width: 70%;
    }
}
/* @media screen and (min-width: 280px) and (min-width:640px) {
    .nav-banxin{
        width: 90%;
    }
    .navigation ul li{
        padding-left: 15px;
    }
} */
/* @media screen and (min-width: 280px) and (max-width: 640px){
    .nav-banxin{
        width: 85%;
    }
    .navigation ul li{
        padding-left: 15px;
    }
    .nav-logo{
        height: 22px;
    }
    .tel{
        height: 15px;
    }
} */