html结构：
<div class="authority">
<ul>
<li>
<img src="./images/replace/zizhi01.jpg" alt="">
</li>
<li>
<img src="./images/replace/zizhi02.png" alt="">
</li>
<li>
<img src="./images/replace/zizhi03.jpg" alt="">
</li>
<li class="quanwei">
<div>
<img src="./images/replace/zizhi04.jpg" alt="">
</div>
<div>
<img src="./images/replace/zizhi04.jpg" alt="">
</div>
</li>
<li>
<img src="./images/replace/zizhi01.jpg" alt="">
</li>
<li>
<img src="./images/replace/zizhi02.png" alt="">
</li>
<li>
<img src="./images/replace/zizhi03.jpg" alt="">
</li>
<li class="quanwei">
<div>
<img src="./images/replace/zizhi04.jpg" alt="">
</div>
<div>
<img src="./images/replace/zizhi04.jpg" alt="">
</div>
</li>
</ul>
</div>
css
.authority{
width: 100%;
overflow: hidden;
}
.authority ul{
width: 2560px;
animation: gun 10s linear infinite;
}
.authority ul:hover{
animation-play-state: paused;
}
.authority ul>li{
float: left;
height: 448px;
background-size: cover;
}
.authority ul>li img{
width: 320px;
}
css动画：
@keyframes gun{
from{
transform: translateX(0px);
}
to{
transform: translateX(-1280px );
}
}