.inbanner {
    width: 100%;
    height: 620px;
    position: relative;
    overflow: hidden;
}

.inbanner > img {
    position: absolute;
    left: 50%;
    margin-left: -960px;
    top: 0;
    z-index: 0;
    width: 1920px;
    height: 100%;
}

.ibtxt {
    position: absolute;
    z-index: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.outnav3 {
    height: 60px;
    padding: 0;
    position: relative;
    z-index: 3;
    overflow: hidden;
    text-align: center;
    background-color: #fff;
    box-shadow: 0 5px 5px 0 rgba(227, 227, 227, 0.9);
    margin-top: -60px;
}

.outnav3.on .nav-left, .outnav3.on .nav-right {
    display: block;
}

.outnav3 .nav-left, .outnav3 .nav-right {
    width: 60px;
    height: 100%;
    cursor: pointer;
    position: absolute;
    top: 0;
    z-index: 2;
    background-position: center;
    background-repeat: no-repeat;
    display: none;
    transition: 0.3s;
    -moz-transition: 0.3s;
    -webkit-transition: 0.3s;
    -o-transition: 0.3s;
}

.outnav3 #wrapper22 {
    width: 100%;
    height: 100%;
    position: relative;
}

.nav7 {
    width:100%;
    height: 100%;
    font-size: 0;
    white-space: nowrap;
}

.nav7 li {
    width: 200px;
    display: inline-block;
    height: 100%;
    overflow: hidden;
}

.nav7 li:hover a, .nav7 li.on a {
    background-color: #039be3;
    color: #fff;
}

.nav7 li a {
    display: block;
    position: relative;
    background-color: #fff;
    color: #333;
    line-height: 60px;
    font-size: 16px;
}


@media (max-width: 768px) {
    .nav7 li a {
        font-size: 24px;
    }
}


@media (min-width: 768px) {
    .nav7{
        display: flex;
    }
}