.marquee-anim {
  overflow: hidden;
  color: rgb(51, 51, 51); /* 文字色 */
}

.marquee-span {
  display: inline-block;
  padding-left: 100%;
  white-space: nowrap;
  animation: marquee 10s linear infinite;
}

@keyframes marquee {
  from {
    transform: translate(0);
  }
  to {
    transform: translate(-100%);
  }
}