/* 成功案例页面样式 */

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

/* Banner区域 */
.case-banner {
  position: relative;
  width: 100%;
  height: 84rem;
  overflow: hidden;
}

/* 单张banner图片样式 */
.case-banner .banner-single {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}

.case-banner .banner-single img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Banner内容文字 */
.banner-content {
  position: absolute;
  top: 16.45rem;
  left: 26rem;
  z-index: 2;
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 1s ease, transform 1s ease;
}

/* 移动端banner样式调整 */
@media (max-width: 768px) {
  .case-banner {
    height: 33rem;
  }
  
  .case-banner .banner-single {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  .case-banner .banner-single img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .banner-content {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(2rem);
    text-align: center;
    padding: 0 2rem;
  }
  
  .banner-content.show {
    transform: translate(-50%, -50%) translateY(0);
  }
  
  /* 移动端标题字体大小调整 */
  .banner-title-primary {
    font-size: 3.2rem;
  }
  
  .banner-title-secondary {
    font-size: 2.4rem;
    margin: 2rem 0 0 0;
  }
}

.banner-content.show {
  opacity: 1;
  transform: translateY(0);
}

.banner-title-primary {
  font-size: 6.4rem;
  color: #fff;
  font-weight: bold;
  margin: 0;
  padding: 0;
  line-height: 1.2;
}

.banner-title-secondary {
  font-size: 4.8rem;
  color: #fff;
  font-weight: normal;
  margin: 5rem 0 0 0;
  padding: 0;
  line-height: 1.2;
}



/* Tabs导航 - 与banner重叠50% */
.case-tabs {
  position: relative;
  bottom: 5rem; /* 重叠50%，tabs高度10rem的一半 */
  left: 0;
  right: 0;
  height: 10rem;
  max-width: 140rem;
  margin: 0 auto;
  padding: 1.2rem;
  background: linear-gradient(180deg, #F5FAFF 0%, #EEF6FF 33.33%, #E1F2FF 66.66%, rgba(238, 246, 255, 0.8) 100%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.2rem;
  overflow: hidden;
}

/* 移动端tabs样式调整 */
@media (max-width: 768px) {
  .case-tabs {
    display: none; /* 移动端隐藏tabs导航栏 */
  }
  
  /* 移除tabs隐藏后的负margin和顶部内边距 */
  .case-content {
    padding: 1rem 0 !important;
    margin-top: 0 !important;
  }
}

.tabs-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: stretch;
  width: 100%;
  height: 100%;
}

.tabs-list li {
  margin: 0;
  padding: 0;
  flex: 1 1 auto; /* 每个 tab 均分宽度，自适应容器 */
  display: flex;
}

.tab-link {
  display: block;
  width: 100%; /* 链接铺满 li，点击区域更大 */
  text-align: center;
  color: #000;
  font-size: 2.8rem;
  font-weight: bold;
  text-decoration: none;
  /* 内边距 12px ≈ 1.2rem */
  padding: 1.2rem;
  transition: all 0.3s ease;
  border-bottom: 0.2rem solid transparent;
  cursor: pointer;
  border-radius: 0.2rem;
}

.tab-link:hover {
  color: #0052D9;
}

.tab-link.active {
  color: #0052D9;
  background-color: #fff;
  border-radius: 0.2rem;
  /* 保持与普通状态一致的内边距，避免宽度跳变 */
  padding: 1.2rem;
  border-bottom: none;
}

/* 滑动指示器 */
.scroll-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  height: 1.5rem;
  margin-top: 0.5rem;
}

.scroll-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background-color: rgba(0, 120, 215, 0.3);
  transition: all 0.3s ease;
}

.scroll-dot.active {
  background-color: #0078D7;
  transform: scale(1.2);
}

/* 案例内容区域 */
.case-content {
  padding: 15rem 0 10rem;
  background-color: #fff;
  position: relative;
  overflow: hidden;
  margin-top: -10rem;
}

/* 动画元素初始状态 - 只对未应用动画类的元素设置隐藏 */
.case-content [data-animate]:not(.animate__animated) {
  opacity: 0;
  will-change: opacity, transform;
}

/* 确保活动幻灯片始终可见 */
.case-grid.swiper .swiper-slide.swiper-slide-active {
  opacity: 1 !important;
}

/* 动画执行后保持可见状态 */
.case-content [data-animate].animate__animated {
  opacity: 1 !important;
}

/* 动画效果 - 使用animate.css兼容的类名 */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translate3d(-100%, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 100%, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translate3d(100%, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.animate__animated {
  animation-duration: 1s;
  animation-fill-mode: both;
}

.animate__fadeInLeft {
  animation-name: fadeInLeft;
}

.animate__fadeInUp {
  animation-name: fadeInUp;
}

.animate__fadeInRight {
  animation-name: fadeInRight;
}

.case-section {
  display: block;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
  margin-bottom: 8rem;
}

/* 案例网格 */
.case-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; /* 居中对齐 */
  width: 140rem;
  margin: 0 auto;
  gap: 2.5rem;
}

/* Swiper 模式下的特殊样式 */
.case-grid.swiper {
  display: block;
  width: 140rem;
  margin: 0 auto;
}

.case-grid.swiper .swiper-wrapper {
  display: flex;
  flex-wrap: nowrap;
  gap: 2.5rem;
  justify-content: center; /* 居中对齐 */
}

/* 移动端Swiper模式下的样式调整 */
@media (max-width: 768px) {
  /* 设置swiper容器宽度为100% */
  .case-grid.swiper {
    width: 100%;
  }
  
  /* 不使用gap值 */
  .case-grid.swiper .swiper-wrapper {
    gap: 0;
    justify-content: flex-start;
  }
}

/* 轮播初始化后使用flex-start对齐 */
.case-grid.swiper.swiper-initialized .swiper-wrapper {
  justify-content: flex-start;
}

.case-grid.swiper .swiper-slide {
  width: 45rem !important;
  flex-shrink: 0;
  margin-right: 0 !important;
}

/* 移动端Swiper模式下设置slide宽度和高度 */
@media (max-width: 768px) {
  .case-grid.swiper .swiper-slide {
    width: 100% !important;
    height: 41rem;
  }
}

/* 确保 swiper-slide 内的 case-item 宽度正确 */
.case-grid.swiper .swiper-slide .case-item {
  width: 45rem;
}

/* 移动端Swiper模式下case-item样式 */
@media (max-width: 768px) {
  .case-grid.swiper .swiper-slide .case-item {
    width: 100%;
    height: 41rem;
  }
}

/* 案例项 */
.case-item {
  position: relative;
  width: 45rem;
  height: auto;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
}

.case-item:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 0.4rem 0.8rem rgba(0, 0, 0, 0.15);
}

.case-inner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.case-inner img {
  width: 45rem;
  height: auto;
  aspect-ratio: 16 / 9 !important;
  object-fit: cover;
  transition: transform 0.3s ease;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
}

/* 移动端图片样式调整 */
@media (max-width: 768px) {
  .case-inner img {
    width: 100%;
    height: 28.2rem;
  }
}

.case-item:hover .case-inner img {
  transform: scale(1.02);
}

/* 案例覆盖层 */
.case-overlay {
  position: relative;
  background: #fff;
  padding: 2rem 0;
  color: #000;
  transform: none;
  transition: none;
  height: 12.8rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05);
  
}

.case-item:hover .case-overlay {
  transform: none;
}

.case-overlay h3 {
  font-size: 2.8rem;
  font-weight: bold;
  margin: 0 3.3rem 1.5rem 3.3rem;
  line-height: 1.3;
  position: relative;
  display: inline-block;
}

.case-overlay h3::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 0;
  width: 5.5rem;
  height: 0.6rem;
  background-color: #0052D9;
  border-radius: 0.3rem;
}

/* 案例标签 - 隐藏 */
.case-tags {
  display: none;
}

.tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2rem;
  font-size: 1.4rem;
  color: #fff;
  backdrop-filter: blur(5px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .case-grid {
    justify-content: center;
  }
  
  .case-item {
    width: 50rem;
    height: 32rem;
  }
}

@media (max-width: 768px) {
  .banner-content {
    left: 2rem;
    top: 12rem;
  }
  
  .banner-title-primary {
    font-size: 4rem;
  }
  
  .banner-title-secondary {
    font-size: 2.8rem;
    margin-top: 2rem;
  }
  

  
  .case-tabs {
    height: auto;
    bottom: 2rem;
    padding: 1rem;
  }
  
  .tabs-list {
    flex-wrap: wrap;
  }
  
  .tab-link {
    font-size: 2.2rem;
    padding: 1rem;
    white-space: nowrap;
  }
  
  .case-grid {
    padding: 0 1rem;
    gap: 1.5rem;
  }
  
  .case-item {
    width: 100%;
    height: 25rem;
  }
  
  .section-cn {
    font-size: 3.6rem;
  }
  
  .case-overlay {
    height: auto;
  }
  
  .case-overlay h3 {
    font-size: 1.4rem;
  }
  
  .case-overlay p {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .banner-content {
    left: 1rem;
    top: 8rem;
  }
  
  .banner-title-primary {
    font-size: 3rem;
  }
  
  .banner-title-secondary {
    font-size: 2.2rem;
  }
  
  .case-tabs {
    padding: 0.8rem;
  }
  
  .tab-link {
    font-size: 1.8rem;
    padding: 0.8rem;
  }
  
  .case-item {
    height: 20rem;
  }
  
  .section-cn {
    font-size: 2.8rem;
  }
  
  .case-overlay {
    padding: 2rem 1.5rem 1.5rem;
  }
  
  .case-overlay h3 {
    font-size: 1.4rem;
  }
  
  .case-overlay p {
    font-size: 1.2rem;
  }
  
  .tag {
    font-size: 1.2rem;
    padding: 0.3rem 0.8rem;
  }
}