.navbar-light .navbar-nav .nav-link {
    color: #1A1A1A;
}
.call {
display: none;
padding: 4px 8px ;
border-radius: 18px;
border: 1px solid #FF7A00;
margin-left: 10px;
}
.child_item:hover{
    color: #FF7A00 !important;
}
.nav-link {
    display: inline-block;
}
.nav-item  {
    position: relative;
}
.nav-icon {
    position: absolute;
    right: 0;
    top: 0;
    display: none;
}
.head-sm-height {
    height: 111px;
}
.child_list {
    position: fixed;
    width: 100%;
    /* height: 80px;
    line-height: 80px; */
    top: 111px;
    left: 0;
    background:rgba(250, 250, 250, 0.8);
    display: none;
    text-align: center;
}
.child_list .child_item {
    display: inline-block;
    margin: 0 25px;
    color: #1A1A1A ;
}
.company-title {
    display: none;
}
.navbar ._container {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: justify;
    justify-content: space-between;
}
@media (min-width: 992px) {
    .navbar-expand-lg > ._container {
        -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
    }
    .child_list .child_item {
        height: 80px;
        line-height: 80px;
    }
    .navbar-nav {
        height: 111px;
        line-height: 100px;
    }
    .navbar {
        padding: 0 1rem;
    }
    .nav-item {
        position: relative;
        z-index: 100;
    }
    .nav-item.active{
        position: relative;
        z-index: 100;
        background: linear-gradient(0deg, rgba(255, 122, 0, 0.39), rgba(255, 255, 255, 0));
    }
    .nav-item:hover {
        background: linear-gradient(0deg, rgba(255, 122, 0, 0.39), rgba(255, 255, 255, 0));
    }
    .nav-item:hover .nav-link, 	.nav-item.active .nav-link {
        color: #FF7A00 !important;
    }
    .nav-item:hover::after, .nav-item.active::after{
        content: "";
        width: 100%;
        background: linear-gradient(0deg, rgba(255, 122, 0, 0.39), rgba(255, 255, 255, 0));
        border-bottom: 4px solid #FF7A00;
        position: absolute;
        left: 0;
        bottom: 0;
        z-index: 0;
    }

}

@media (min-width: 1200px) {
    .company-title {
        display: block;
    }
}
@media (min-width: 1400px) { 
    .call {
        display: inline-block;
    }
}
@media (max-width: 992px) {
    .nav-icon {
        display: inline-block;
    }
    .head-sm-height {
        height: 71px;
    }
    .child_list {
        position: relative;
        top: 0;
        text-align: left;
    }
    .child_list .child_item {
        display: block;
        margin-left: 30px;
        line-height: 2;
        color: #1A1A1A !important;
    }
}
.navbar .icon-tubiao210 {
margin-right: 8px;
}