.nav-warp {
    width: 100%;
    height: 100px;
    position: sticky;
    top: 0;
    z-index: 33;
    background: #FFFFFF;
    margin: 0 auto;
}

.logo-img {
    width: 211px;
    height: 50px;
}

.nav-btn {
    width: 140px;
    height: 45px;
    background: #0066FF;
    font-size: 18px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.wechat-icon{
    width: 20px;
    height: 17px;
}