.top-menu-big-box{
    width: 100%;
    height: 8.5vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    /* background-color: #007bff; */
    background: linear-gradient(to bottom, #3a3a3a,rgb(255,255,255,0));
    color: #fff;
    transition: all 0.3s ease;
}

.top-menu-big-box a {
    color: inherit;
}

.top-menu-big-box a:hover {
    color: #ffffff !important;   
}

.top-menu-big-box.scrolled {
    background: #007bff !important;
}

.top-menu-big-box.scrolled a:hover {
    color: #ffffff !important;
}
.top-menu-box-nav-left{
    float: left;
    width: 15%; 
    height: 100%;
    
    /* background-color: #393939; */
    
}
.top-left-logo-box{
    display: block;
    width: 120px;
    height: 70px;
    margin: 0 auto;
    background-color: #648512;
}

.top-menu-box-nav{
    float: left;
    width: 70%;
    height: 100%;
    /* background-color: antiquewhite; */
   
}

.top-menu-box{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center; /* 水平居中 */
    margin: 0 auto;
}

.top-menu-box-btn{
    display: inline-block;
    height: 100%;
    padding:  0 3% 0 3%;
    /* background-color: blue; */
    text-align: center;
    line-height: 8.5vh;
    
}
.active{
    border-bottom: 3px solid #fff!important;
    transition: all 0.3s ease;
}
.top-menu-box-btn:hover{
    border-bottom: 3px solid #fff!important;
    transition: all 0.3s ease;
}
.top-menu-box-btn a{
    color: #fff;
    font-size: 1.12rem;
}