.first-loading-wrp {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 90vh;
  min-height: 90vh;
}

.first-loading-wrp>h1 {
  font-size: 28px;
  font-weight: bolder;
  margin: 0;
  padding: 18px 0;
}

.first-loading-wrp>p {
  font-size: 14px;

  margin: 0;
  padding: 14px 0;
}

.progress-container {

  width: 500px;
  padding: 70px 0 20px 0;
}

.progress-title {
  padding-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

/* 基础进度条 */
.progress-bar {
  height: 6px;
  background-color: #e0e0e0;
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0;
  /* 初始宽度为 0，由动画填充 */
  border-radius: 10px;
  /* 初始背景：渐变填充色 */
  background: linear-gradient(90deg, #8db7fc, #4285F4);
  /* 先执行填充动画 */
  animation:
    progressAnimation 1.2s ease-in-out forwards;
}

/* 彩色渐变进度条 */
.gradient .progress-fill {
  background: linear-gradient(90deg, #8db7fc, #4285F4);
}

/* 动画定义 */
@keyframes progressAnimation {
  0% {
    width: 0;
  }

  25% {
    width: 25%;
  }

  50% {
    width: 50%;
  }

  75% {
    width: 75%;
  }

  100% {
    width: 100%;
  }
}

/* 100% 后添加条纹动画 */
.progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 10px;
  /* 条纹背景 */
  background: repeating-linear-gradient(45deg,
      rgba(255, 255, 255, 0.2),
      rgba(255, 255, 255, 0.2) 10px,
      transparent 10px,
      transparent 20px);
  /* 默认隐藏 */
  opacity: 0;
  /* 延迟 1.2s（等 progressAnimation 完成）后执行 */
  animation:
    stripeAnimation 0.8s linear infinite 1.2s,
    showAfter 0.1s linear 1.2s forwards;
}

/* 条纹动画 */
@keyframes stripeAnimation {
  0% {
    background-position: 0 0;
  }

  100% {
    background-position: 20px 0;
  }
}

/* 显示 ::after 伪元素 */
@keyframes showAfter {
  to {
    opacity: 1;
  }
}