.marquee {
  overflow: hidden;
  white-space: nowrap;
  background-color: #eee; /* 背景色（任意） */
}

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

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