/* ========== 关于我们页面样式 ========== */
/* rem单位计算：1rem = 屏幕宽度/192，假设设计稿1920px，则1rem = 10px */

.about-page {
  width: 100%;
  min-height: 100vh;
  background: #fff;
}

/* ========== 顶部Banner区域 ========== */
.about-banner {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.banner-swiper {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.banner-swiper .swiper-wrapper {
  height: 100%;
}

.banner-swiper .swiper-slide {
  position: relative;
  height: 100%;
  display: block;
  width: 100%;
}

.banner-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.banner-content {
  position: absolute;
  z-index: 1;
  padding-left: 26rem; /* 260px */
  color: #fff;
  top: 50%;
  transform: translateY(-50%);
}

.banner-title {
  font-size: 6.4rem; /* 64px */
  font-weight: bold;
  margin: 0 0 1.6rem 0;
  color: #fff;
}

.banner-subtitle {
  font-size: 4.8rem; /* 48px */
  margin: 0 0 4rem 0;
  color: #fff;
  opacity: 0.9;
}

.contact-btn {
  display: inline-block;
  padding: 1.2rem 4rem; /* 12px 40px */
  background: #0052d9;
  color: #fff;
  font-size: 2.8rem; /* 28px */
  border-radius: 0.4rem;
  text-decoration: none;
  transition: background 0.3s ease;
}

.contact-btn:hover {
  background: #003ba3;
}

/* Banner 分页指示器 */
.about-banner .banner-pagination {
  display: flex;
  position: absolute;
  bottom: 4.7rem;
  left: 26rem;
  z-index: 2;
}

.about-banner .banner-pagination .swiper-pagination-bullet {
  width: 2rem;
  height: 2rem;
  background: url('../img/sd/home_slices/normal.png') no-repeat center;
  background-size: cover;
  border-radius: 0;
  opacity: 1;
}

.about-banner .banner-pagination .swiper-pagination-bullet.active {
  background: url('../img/sd/home_slices/press.png') no-repeat center;
  background-size: cover;
}

/* ========== 内容区域 ========== */
.about-content {
  width: 100%;
  min-height: 100vh;
  position: relative;
  background: #fff;
}

.content-container {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

/* 左侧背景图 - 铺满整个容器 */
.content-left {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.content-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 右下角文字内容 */
.content-bottom-right {
  position: absolute;
  top: 0;
  right: 8rem;
  width: 58.7rem;
  max-width: 70rem;
  z-index: 1;
  padding: 4rem;
  box-sizing: border-box;
}

/* 使用首页的section-header样式 */
.content-bottom-right .section-header {
  text-align: center;
  margin-bottom: 4rem;
}



.content-bottom-right .section-header .line {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
}

.content-bottom-right .section-header .line img {
  margin: 0 1.3rem;
}



.content-bottom-right .section-header .title-logo {
  width: 4rem;
  height: auto;
  flex-shrink: 0;
}

.content-text {
  font-size: 2rem; /* 20px */
  line-height: 3.8rem !important; /* 38px */
  color: #191919;
}

.content-text p {
  margin: 0 0 2.4rem 0; /* 24px */
  font-size: 2rem; /* 20px */
  line-height: 3.8rem !important; /* 38px */
}

.content-text p:last-child {
  margin-bottom: 0;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
  .banner-content {
    padding-left: 10rem;
  }
  
  .banner-title {
    font-size: 4rem;
  }
  
  .content-bottom-right {
    bottom: 6rem;
    right: 6rem;
    width: 70%;
    padding: 3rem;
    backdrop-filter: blur(10px);
    border-radius: 1.6rem;
    box-shadow: 0 0.8rem 3.2rem rgba(0, 0, 0, 0.1);
  }
}

@media (max-width: 768px) {
  .about-banner {
    height: 33rem;
  }
  
  .banner-content {
    padding-left: 2rem;
    padding-right: 2rem;
    text-align: center;
    top: 70%;
  }
  
  .banner-title {
    font-size: 3.2rem;
    margin-bottom: 1rem;
  }
  
  .banner-subtitle {
    font-size: 1.6rem;
    margin-bottom: 3rem;
  }
  
  .contact-btn {
    padding: 1rem 3rem;
    font-size: 1.6rem;
  }
  
  .content-bottom-right {
    position: relative;
    bottom: auto;
    right: auto;
    width: 100%;
    border-radius: 1.6rem;
    box-shadow: 0 0.8rem 3.2rem rgba(0, 0, 0, 0.1);
  }
  
  .content-en-title {
    font-size: 1.4rem;
    margin-bottom: 2rem;
  }
  
  .content-cn-title {
    font-size: 2.8rem;
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
  }
  
  .content-cn-title::after {
    left: 4.4rem;
  }
  
  .title-logo {
    width: 3rem;
  }
  
  .content-text {
    font-size: 1.6rem;
    line-height: 3rem;
  }
  
  .content-text p {
    font-size: 1.6rem;
    line-height: 3rem;
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  .banner-title {
    font-size: 2.4rem;
  }
  
  .content-cn-title {
    font-size: 2.4rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .content-cn-title::after {
    left: 0;
  }
}

.banner-swiper .swiper-horizontal>.swiper-pagination-bullets, .swiper-pagination-bullets.swiper-pagination-horizontal, .swiper-pagination-custom, .swiper-pagination-fraction{
  bottom: 4.7rem !important;
  left: 26rem !important;
}