如果是RiPro主题，请在后天顶部设置添加自定义CSS。其他主题在对应的CSS样式添加。

/*
* LOGO
*/
.logo-wrapper {
position: relative;
font-size:2em;
font-weight:700;
line-height:39px;
overflow:hidden;
margin:0;
}

.logo-wrapper::before{
content:"";
position: absolute;
width: 150px;
height: 10px;
background-color: rgba(255,255,255,.5);
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
-webkit-animation: searchLights 1s ease-in 1s infinite;
animation: searchLights 1s ease-in 1s infinite;
}

@-webkit-keyframes searchLights {
0% { left: -90px; top: 0; }
to { left: 90px; top: 0; }
}