/* 定义 CSS 变量 */
:root {
  --button-width: 46px;
  --button-height: 46px;
  --button-padding: 12px;
  --heading-font-size-1: 1.875rem;
  --heading-font-size-2: 2.25rem;
  --heading-font-size-3: 3.75rem;
  --heading-font-size-4: 4.5rem;
  --button-font-size: 0.875rem;
  --text-color: black;
  --button-bg-color: rgba(0, 0, 0, 0.5);
  --button-text-color: white;
}

/* 通用按钮样式 */
.u-block-button {
  background-image: none;
  width: var(--button-width);
  height: var(--button-height);
  position: absolute;
  padding: var(--button-padding);
}

.u-block-a40b-2 {
  position: absolute;
  top: auto;
  bottom: 12px;
  width: auto;
  height: auto;
}

.u-block-a40b-5 {
  @extend .u-block-button;
  inset: auto auto 28.2396px 0px;
}

.u-block-a40b-6 {
  @extend .u-block-button;
  inset: auto 0px 28.2396px auto;
}

/* 通用 section-1 样式 */
.u-section-1 {
  min-height: 637px;
}

.u-section-1 .u-image-1 {
  width: 1238px;
  margin: 0 auto;
}

.u-section-1 .u-text-1 {
  font-size: var(--heading-font-size-1);
  font-weight: 700;
  width: 748px;
  margin: 22px auto 30px;
}

.u-section-1-1 .u-image-1 {
  height: 552px;
  object-position: 50% 6.18%;
}

.u-section-1-2 .u-image-1 {
  height: 447px;
  margin: 46px auto 0;
}

.u-section-1-2 .u-text-1 {
  margin: 76px auto 35px;
}

.u-section-1-3 .u-image-1 {
  height: 262px;
  margin: 178px auto 0;
}

.u-section-1-3 .u-text-1 {
  margin: 129px auto 35px;
}

.u-section-1-4 .u-image-1 {
  height: 300px;
  margin: 150px auto 0;
}

.u-section-1-4 .u-text-1 {
  margin: 123px auto 31px;
}

.u-section-2 {
  background-image: none;
}

.u-section-2 .u-sheet-1 {
  min-height: 78px;
}

.u-section-2 .u-text-1 {
  font-size: var(--heading-font-size-2);
  font-weight: 700;
  margin: 30px 248px 9px 286px;
}

.u-section-3 {
  background-image: none;
  min-height: 459px;
}

.u-section-3 .u-image-1 {
  object-position: 50% 84.45%;
  height: 336px;
  margin: 61px 0 0;
}

.u-section-3 .u-group-1 {
  width: 311px;
  min-height: 201px;
  height: auto;
  --animation-custom_in-translate_x: 300px;
  --animation-custom_in-translate_y: 0px;
  --animation-custom_in-opacity: 0;
  --animation-custom_in-rotate: 0deg;
  --animation-custom_in-scale: 1;
  margin: -269px calc(((100% - 1140px) / 2)) 60px auto;
}

.u-section-3 .u-container-layout-1 {
  padding: 0;
}

.u-section-3 .u-text-1 {
  font-weight: 700;
  font-size: var(--heading-font-size-3);
  width: 248px;
  margin: 33px auto 0;
}

.u-section-3 .u-btn-1 {
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  font-size: var(--button-font-size);
  text-align: center;
  align-self: center;
  border-style: solid;
  margin: 11px 42px 0;
  padding: 18px 57px 19px;
}

/* 轮播图样式 */
.carousel {
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.carousel-inner {
  display: flex;
  transition: transform 0.5s ease;
}

.slide {
  flex: 0 0 100%;
  min-width: 100%;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slide.active {
  opacity: 1;
}

.carousel-controls {
  position: absolute; 
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
}

.carousel-controls button {
  background: var(--button-bg-color);
  color: var(--button-text-color);
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 5px;
}

.slide img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.carousel-description {
  margin-top: 20px; /* 与轮播内容间隔 */
  text-align: center; /* 文字居中 */
}

/* 动态描述默认隐藏 */
.desc {
  display: none;
  color: var(--text-color);
  font-size: 16px;
}

.desc.active {
  display: block;
}

/* 媒体查询 */
@media (max-width: 1199px) {
  .u-section-1 {
    min-height: 504px;
  }

  .u-section-1 .u-image-1 {
    height: 419px;
    width: 940px;
  }

  .u-section-1-2 .u-text-1,
  .u-section-1-3 .u-text-1,
  .u-section-1-4 .u-text-1 {
    margin-right: calc(((100% - 940px) / 2) + 60px);
    margin-left: calc(((100% - 940px) / 2) + 294px);
  }

  .u-section-2 .u-text-1 {
    width: 606px;
    margin-left: 186px;
    margin-right: 148px;
  }

  .u-section-3 {
    min-height: 433px;
  }

  .u-section-3 .u-image-1 {
    margin-right: initial;
    margin-left: initial;
  }

  .u-section-3 .u-group-1 {
    margin-right: calc(((100% - 940px) / 2));
    height: auto;
  }

  .u-section-3 .u-container-layout-1 {
    padding-top: 34px;
    padding-bottom: 29px;
  }
}

@media (max-width: 991px) {
  .u-section-1 {
    min-height: 406px;
  }

  .u-section-1 .u-image-1 {
    height: 321px;
    width: 720px;
  }

  .u-section-1 .u-text-1 {
    width: 720px;
  }

  .u-section-1-2 .u-text-1,
  .u-section-1-3 .u-text-1,
  .u-section-1-4 .u-text-1 {
    margin-right: calc(((100% - 720px) / 2));
    margin-left: calc(((100% - 720px) / 2) + 134px);
  }

  .u-section-2 .u-text-1 {
    margin-left: 76px;
    margin-right: 38px;
  }

  .u-section-3 {
    min-height: 355px;
  }

  .u-section-3 .u-group-1 {
    margin-right: calc(((100% - 720px) / 2));
  }

  .u-section-3 .u-container-layout-1 {
    padding-top: 30px;
  }
}

@media (max-width: 767px) {
  .u-section-1 {
    min-height: 326px;
  }

  .u-section-1 .u-image-1 {
    height: 241px;
    width: 540px;
  }

  .u-section-1 .u-text-1 {
    font-size: var(--heading-font-size-3);
    width: 540px;
  }

  .u-section-1-2 .u-text-1,
  .u-section-1-3 .u-text-1,
  .u-section-1-4 .u-text-1 {
    margin-left: calc(((100% - 540px) / 2));
    margin-right: calc(((100% - 540px) / 2));
  }

  .u-section-2 .u-text-1 {
    font-size: var(--heading-font-size-4);
    width: 540px;
    margin-left: 0;
    margin-right: 0;
  }

  .u-section-3 {
    min-height: 291px;
  }

  .u-section-3 .u-group-1 {
    margin-right: calc(((100% - 540px) / 2));
  }

  .u-section-3 .u-container-layout-1 {
    padding-left: 20px;
    padding-right: 20px;
  }

  .u-section-3 .u-text-1 {
    font-size: 3rem;
    margin-left: 20px;
    margin-right: 20px;
  }
}

@media (max-width: 575px) {
  .u-section-1 {
    min-height: 237px;
  }

  .u-section-1 .u-image-1 {
    height: 152px;
    width: 340px;
  }

  .u-section-1 .u-text-1 {
    font-size: var(--heading-font-size-1);
    width: 340px;
  }

  .u-section-1-2 .u-text-1,
  .u-section-1-3 .u-text-1,
  .u-section-1-4 .u-text-1 {
    margin-left: calc(((100% - 340px) / 2));
    margin-right: calc(((100% - 340px) / 2));
  }

  .u-section-2 .u-text-1 {
    font-size: var(--heading-font-size-2);
    width: 340px;
  }

  .u-section-3 {
    min-height: 220px;
  }

  .u-section-3 .u-group-1 {
    margin-right: calc(((100% - 340px) / 2));
  }

  .u-section-3 .u-text-1 {
    font-size: 2.25rem;
  }
}