.ad {
    width:100%;
    height: 32px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    box-sizing: border-box;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-weight: 800;
    color: #fff;
    border-radius: 30px;
}
/* .ad i{
    color: #ff6146;
    font-size: 20px;
    margin-right: 10px;
}
.ad .content{
    flex: 1;
    overflow: hidden;
    
}
.ad .content span {
    display: block;
    width: auto;
    white-space: nowrap;
    animation: marquee 10s linear infinite;
}
@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
} */