/* 轮播图 */
.carousel-container {
  position: relative;
  width: 100%;
  height: 1029px;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.carousel-container .control-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.carousel-container .prev-btn {
  left: 30px;
}
.carousel-container .next-btn {
  right: 30px;
}

/* 轮播轨道（横向排列） */
.carousel-track {
  display: flex;
  width: 100%; /* 总宽度 = 轮播数+1 * 100% */
  height: 100%;
  transition: transform 0.5s ease-in-out; /* 滑动过渡动画 */
}

/* 单个轮播项 */
.carousel-slide {
  position: relative;
  min-width: 100%;
  height: 100%;
}

/* 轮播图片 */
.slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 保持比例填充容器 */
}

/* 文字覆盖层 */
.slide-text {
  position: absolute;
  top: 288px;
  /* padding: 0px 100px; 动态 */
  width: 100%;
  text-align: left;
  z-index: 1;
}

/* 大标题 */
.slide-title {
  /* font-weight: 600;
  font-size: 48px;
  line-height: 89px;
  margin: 0 0 24px 0; 动态 */
  color: var(--primary-color);
}

/* 小标题 */
.slide-subtitle {
  font-weight: 400;
  /* font-size: 36px;
  line-height: 52px;
  margin: 0 0 40px 0; 动态 */
}

/* 按钮 */
.slide-btn {
  font-weight: 500;
  font-size: 16px;
  line-height: 28px;
  background-color:  var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.slide-btn a {
  padding: 18px 48px;
}

.slide-btn:hover {
  /* background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(37, 99, 235, 0.2); */
}

/* -------------------------- 媒体查询：断点切换 -------------------------- */
@media (min-width: 1201px) {
  /* 文字覆盖层 */
  .slide-text {
    padding: 0px 100px;
  }
  /* 大标题 */
  .slide-title {
    font-weight: 600;
    font-size: 48px;
    line-height: 89px;
    margin: 0 0 24px 0;
  }

  /* 小标题 */
  .slide-subtitle {
    font-size: 36px;
    line-height: 52px;
    margin: 0 0 40px 0;
  }
}

@media (max-width: 1200px) and (min-width: 801px) {
  /* 文字覆盖层 */
  .slide-text {
    padding: 0px 100px;
  }
  /* 大标题 */
  .slide-title {
    font-weight: 600;
    font-size: 36px;
    line-height: 89px;
    margin: 0 0 0 0;
  }

  /* 小标题 */
  .slide-subtitle {
    font-size: 24px;
    line-height: 52px;
    margin: 0 0 40px 0;
  }
}

@media (max-width: 800px) and (min-width: 501px) {
  /* 文字覆盖层 */
  .slide-text {
    padding: 0px 65px;
  }
  /* 章节-大标题 */
  .slide-title {
    font-weight: 700;
    font-size: 36px;
    line-height: 89px;
    margin: 0 0 0 0;
  }

  /* 章节-小标题 */
  .slide-subtitle {
    font-size: 24px;
    line-height: 52px;
    margin: 0 0 40px 0;
  }
  
  .carousel-container .prev-btn {
    left: 10px;
  }
  .carousel-container .next-btn {
    right: 10px;
  }
}

@media (max-width: 500px) {
  /* 文字覆盖层 */
  .slide-text {
    padding: 0px 25px;
  }
  /* 章节-大标题 */
  .slide-title {
    font-weight: 700;
    font-size: 24px;
    line-height: 48px;
    margin: 0 0 16px 0;
  }

  /* 章节-小标题 */
  .slide-subtitle {
    font-size: 22px;
    line-height: 36px;
    margin: 0 0 40px 0;
  }
   
  .carousel-container .prev-btn {
    left: 10px;
  }
  .carousel-container .next-btn {
    right: 10px;
  }
  /* 文字覆盖层 */
  .slide-text {
    top: 220px;
  }
}