/* 案例故事左侧导航 */
.case-layout {
  display: flex;
  gap: 2rem;
  height: 100%;
  width: 100%;
  align-items: center; /* 垂直居中 */
}

.case-sidebar {
  width: 20rem;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding-right: 0.4rem;
  position: relative;
  max-height: 90%;
  overflow-y: auto;
  /* 优化滚动条样式 */
  scrollbar-width: thin;
  scrollbar-color: #e5e7eb transparent;
}

.case-sidebar::-webkit-scrollbar {
  width: 0.4rem;
}

.case-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.case-sidebar::-webkit-scrollbar-thumb {
  background-color: #e5e7eb;
  border-radius: 0.2rem;
}

.case-sidebar::-webkit-scrollbar-thumb:hover {
  background-color: #d1d5db;
}

.sidebar-items-container {
  position: relative;
  margin: auto 0;
  padding: 1.5rem 0;
}

.sidebar-vertical-line {
  position: absolute;
  left: 1.6rem;
  /* 3.2rem图标宽度的一半 */
  top: 1.5rem;
  bottom: 1.5rem;
  width: 0.2rem;
  background-color: #e5e7eb;
  transform: translateX(-50%);
  z-index: 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.4rem 0;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 0.8rem;
  position: relative;
  z-index: 1;
  text-decoration: none;
}

.sidebar-item.active {
  color: #1a1a1a;
  font-weight: 600;
}

.sidebar-item:hover {
  color: #23a7fd;
}

.sidebar-icon {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-item.active .sidebar-icon {
  opacity: 1;
}

.sidebar-icon img {
  width: 3.2rem;
  height: 3.2rem;
  object-fit: contain;
}

.sidebar-text {
  font-size: 1.4rem;
  color: #989ea8;
  transition: color 0.3s ease;
}

.sidebar-item.active .sidebar-text {
  color: #1a1a1a;
  font-size: 2.2rem;
}

.case-content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 案例故事区域 */
.case-stories {
  padding: 6.8rem 0;
  background-color: #f7f8fb;
  height: 100vh;
}

.stories-content {
  height: calc(100vh - 7.8rem);
  display: flex;
  align-items: center;
}

/* 移动端移除固定高度限制 */
@media screen and (max-width: 1023px) {
  .case-stories {
    height: auto;
    padding: 10rem 0 6.8rem;
  }

  .stories-content {
    height: auto;
    align-items: stretch;
  }
}

.case-stories .section-title {
  font-size: 3.6rem;
  font-weight: 700;
  margin-bottom: 4rem;
  color: #333;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.case-card {
  background: #fff;
  border-radius: 2.4rem;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.case-card:hover {
  transform: translateY(-1.2rem);
}

.case-image {
  width: 100%;
  height: 22rem;
  overflow: hidden;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-content {
  padding: 2.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
  margin-top: -2.4rem;
  border-radius: 2.4rem;
  position: relative;
  z-index: 2;
}

.case-content h3 {
  font-size: 2.4rem;
  color: #333;
  margin-bottom: 0.8rem;
  font-weight: bold;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.case-content p {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #666;
  margin-bottom: 4rem;
  text-align: justify;
  flex: 1;
  opacity: 0.9;

  /* 限制显示6行 */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;

  /* 为了更好的兼容性，可以设置max-height */
  max-height: calc(1.8em * 3);
  /* 行高 * 行数 */
}

.case-footer {
  margin-top: auto;
}

.gradient-line {
  height: 0.2rem;
  width: 100%;
  background: linear-gradient(90deg, #23a7fd 0%, #fd1ae2 100%);
  margin-bottom: 2.5rem;
  border-radius: 0.1rem;
  opacity: 0.8;
}

.case-footer .case-detail {
  display: inline-flex;
  align-items: center;
  color: #8c8c8c;
  text-decoration: none;
  font-size: 1.4rem;
  transition: all 0.3s ease;
  background: #edf0f5;
  padding: 1rem 2.4rem;
  border-radius: 3rem;
  width: fit-content;
  font-weight: 500;
}

.case-detail:hover {
  color: #666;
  background: #e5e8ed;
}

.case-detail .arrow {
  margin-left: 0.8rem;
  font-size: 1.2rem;
  line-height: 1;
  font-weight: 400;
}

@media (max-width: 102.4rem) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 76.8rem) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

/* 案例容器和轨道 */
.cases-container {
  overflow: hidden;
  padding: 1.2rem 0;
}

.cases-track {
  display: flex;
  transition: transform 0.55s ease;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.cases-page {
  flex: 0 0 100%;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* 确保所有案例卡片高度一致 */
.case-card {
  height: 50rem;
}

/* 移动端移除卡片固定高度 */
@media screen and (max-width: 1023px) {
  /* 移除卡片固定高度，让内容自然决定高度 */
  .case-card {
    height: auto;
    min-height: 35rem;
  }

  /* 调整案例卡片内容区域 */
  .case-content {
    margin-top: -2rem;
  }

  /* 调整案例图片高度 */
  .case-image {
    height: 20rem;
  }
}

/* 分页样式已在 styles.css 统一定义 */
.pagination {
  margin-top: 6rem;
}

/* 移动端分页器响应式调整 */
@media screen and (max-width: 767px) {
  .pagination {
    margin-top: 4rem;
    gap: 1.5rem;
    padding: 0 1rem;
  }

  /* 调整分页数字大小和间距 */
  .pagination-number {
    font-size: 1.8rem;
  }

  .pagination-number a {
    line-height: 3.5rem;
    padding: 0 1.2rem;
  }

  /* 减少分页器整体大小 */
  .pagination {
  }
}

/* 小屏手机调整 */
@media screen and (max-width: 479px) {
  .pagination {
    margin-top: 3.5rem;
    gap: 1.2rem;
  }

  .pagination-number a {
    line-height: 3.2rem;
    padding: 0 1rem;
    font-size: 1.8rem;
  }
}

/* 移动端响应式样式 */
@media screen and (max-width: 1023px) {
  /* 改变布局为垂直方向，导航栏在上，内容在下 */
  .case-layout {
    flex-direction: column;
    align-items: stretch;
    gap: 3rem;
  }

  /* 将左侧导航栏改为顶部横向滚动导航 */
  .case-sidebar {
    width: 100%;
    max-height: auto;
    overflow-y: visible;
    overflow-x: auto;
    padding-right: 0;
    padding-bottom: 1rem;
    position: relative;
    overflow: visible;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  /* 添加左右边缘阴影效果，提示可滚动 */
  .case-sidebar::before,
  .case-sidebar::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3rem;
    z-index: 1;
    pointer-events: none;
  }

  /* 左侧阴影 - 默认隐藏 */
  .case-sidebar::before {
    left: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0));
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  /* 右侧阴影 - 默认隐藏 */
  .case-sidebar::after {
    right: 0;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0));
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  /* 显示左侧阴影 */
  .case-sidebar.show-left-shadow::before {
    opacity: 1;
  }

  /* 显示右侧阴影 */
  .case-sidebar.show-right-shadow::after {
    opacity: 1;
  }

  /* 隐藏竖线 */
  .sidebar-vertical-line {
    display: none;
  }

  /* 改变侧边栏容器为横向布局 */
  .sidebar-items-container {
    display: flex;
    flex-direction: row;
    padding: 1rem 0;
    gap: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none; /* 隐藏滚动条 */
    -ms-overflow-style: none; /* IE and Edge */
  }

  .sidebar-items-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
  }

  /* 调整侧边栏项目样式 */
  .sidebar-item {
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: #fff;
    border-radius: 1.2rem;
    min-width: 8rem;
    text-align: center;
  }

  /* 激活状态样式 */
  .sidebar-item.active {
    background: linear-gradient(135deg, #23a7fd 0%, #fd1ae2 100%);
  }

  .sidebar-item.active .sidebar-text {
    color: #fff;
    font-size: 1.4rem;
  }

  /* 图标样式 */
  .sidebar-icon {
    opacity: 1 !important;
    width: 4rem;
    height: 4rem;
  }
  .sidebar-icon img{
    width: 100%;
    height: 100%;
  }

    /* 文本样式 */
  .sidebar-text {
    font-size: 1.6rem;
  }

  /* 内容区域调整 */
  .case-content-area {
    flex: 1;
    overflow-y: auto;
  }
}

/* 响应式调整 */
@media (max-width: 102.4rem) {
  .cases-page {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 76.8rem) {
  .cases-page {
    grid-template-columns: 1fr;
  }
}

/* 平板和手机端调整 */
@media (max-width: 767px) {
  .cases-page {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* 卡片宽度调整 */
  .case-card {
    width: 100%;
    max-width: 100%;
  }

  /* 调整案例卡片内容 */
  .case-content {
    padding: 2.8rem;
    margin-top: -3rem;
  }

  .case-content h3 {
    font-size: 2rem;
  }

  .case-content p {
    font-size: 1.3rem;
    -webkit-line-clamp: 4;
    max-height: calc(1.8em * 4);
  }
}

/* 小屏手机调整 */
@media (max-width: 479px) {
  .cases-page {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .case-image {
    height: 24rem;
  }

  .case-content h3 {
    font-size: 2.4rem;
    margin-bottom: 1.2rem;
  }

  .case-content p {
    font-size: 1.8rem;
    margin-bottom: 2rem;
  }
}

/* 完善移动端样式细节 */
@media screen and (max-width: 1023px) {
  /* 调整容器padding */
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  /* 调整案例卡片悬停效果 */
  .case-card:hover {
    transform: translateY(-0.8rem);
  }

  /* 调整渐变线 */
  .gradient-line {
    margin-bottom: 2rem;
  }

  /* 调整详情按钮 */
  .case-footer .case-detail {
    padding: 0.8rem 2rem;
    font-size: 1.8rem;
  }
  .case-footer .case-detail .arrow{
    font-size: 1.8rem;
  }
  /* 调整案例轨道容器 */
  .cases-container {
    padding: 0.8rem 0;
  }
}

/* 平板设备优化 */
@media screen and (min-width: 768px) and (max-width: 1023px) {
  /* 调整案例卡片网格 */
  .cases-page {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    padding: 0 2rem;
  }

  /* 调整案例图片高度 */
  .case-image {
    height: 18rem;
  }

  /* 调整案例内容 */
  .case-content h3 {
    font-size: 2rem;
  }

  .case-content p {
    -webkit-line-clamp: 3;
    max-height: calc(1.8em * 3);
  }
}