body {
    padding: 0px;
    margin: 0px;
}
img {
    max-width: 100%;
}

.home-banner {
    width: 100%;
    height: auto;
}

.home-banner img {
    width: 100%;
    height: auto;
}

.home-saidao {
    display: flex;
    justify-content: center;
}

.home-saidao button {
    border: none;
    flex-basis: 15%;
    height: auto;
    margin-top: 30px;
}

.home-saidao button img{
    width: 100%;
}

.honver-img {
    display: none;
}

.layui-btn:hover .btn-img-1 {
    display: none;
}

.layui-btn:hover .btn-img-2 {
    display: block;
}

.saidao2 {
    display: flex;
    justify-content: center;
    margin: -16% 25% 5% 25%;
    width: 50%;
    flex-flow: row wrap;
}

.saidao2 button {
    height: auto;
    width: 50%;
    margin: 2% 0px !important;
    border: none;
}