.rotation {
    width: 100%;
    height: 578px;
    margin: 0px auto;
    position: relative;
    overflow: hidden;
}

.rotation-inner {
    width: 400%;
    height: 578px;
    position: absolute;
    left: 0;
    top: 0;
}

.rotation img {
    width: 25%;
    display: block;
    vertical-align: middle;
    float: left;
}

.rotation .ctrlbtn a {
    display: block;
    position: absolute;
    top: 50%;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    font-size: 24px;
    margin-top: -50px;
    color: #232323;
    border: 1px solid #dddddd;
    border-radius: 50%;
}

.rotation .ctrlbtn a:hover {
    color: #c8010c;
    border: 1px solid #c8010c;
}

.prev {
    right: 0;
    font-family: 微软雅黑;
}

.next {
    left: 0;
    font-family: 微软雅黑;
}



.rotation ul {
    position: absolute;
    left: 0;
    bottom: 10px;
    width: 100%;
    text-align: center;
}

.rotation li {
    display: inline-block;
    width: 10px;
    height: 10px;
    overflow: hidden;
    margin: 0 5px;
    background-color: rgba(255, 255, 255, .5);
    border-radius: 50%;
    z-index: 1111;
    cursor: pointer;
}


@media screen and (max-width: 1600px) {

    .rotation,
    .rotation-inner {
        height: 460px;
    }
}

@media screen and (max-width: 1400px) {

    .rotation,
    .rotation-inner {
        height: 460px;
    }
}

@media screen and (max-width: 1200px) {}

@media screen and (max-width: 1100px) {

    .rotation,
    .rotation-inner {
        height: 380px;
    }
}

@media screen and (max-width: 980px) {

    .rotation,
    .rotation-inner {
        height: 420px;
    }
}

@media screen and (max-width: 768px) {

    .rotation,
    .rotation-inner {
        height: 370px;
    }
}

@media screen and (max-width: 768px) {

    .rotation,
    .rotation-inner {
        height: 300px;
    }

}