body{
  background-color: black;
}

* {
  margin: 0;
  padding: 0;
}

.container-568 {
  max-width: 568px;
  margin-left: auto;
  margin-right: auto;
}

.section{
  background-color: #282b31;
}

.bg-white{
  /* background-color: clear; */
  height: 100%;
}

h2{
  font-size: 33px;
    line-height: 1.36em;
    font-weight: 300;
    letter-spacing: .095em;
}

select {
  z-index: 1;
}

/* 定义淡出动画 */
@keyframes fadeOut {
  to {
    opacity: 0;
  }
}

/* 应用动画的初始状态 */
.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.8);
  z-index: 10;
  opacity: 1; /* 确保开始时完全不透明 */
  animation-fill-mode: forwards; /* 保持动画结束时的状态 */
}