/* ============================================
   首页核心模块样式 V2 - 升级版
   包含：标签切换、轮播图、分类筛选
   ============================================ */

/* 通用模块样式 */
.homepage-module {
  padding: 80px 0;
  overflow: hidden;
}

.homepage-module .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.module-header {
  text-align: center;
  margin-bottom: 50px;
}

.module-title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.module-subtitle {
  font-size: 16px;
  color: #666;
}

/* 分类标签通用样式 */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 28px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: #4b5563;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.tab-btn:hover {
  border-color: rgba(255, 71, 133, 0.25);
  color: #E63670;
  background: rgba(255, 71, 133, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 71, 133, 0.12);
}

.tab-btn.active {
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 71, 133, 0.4);
  transform: translateY(-2px);
}

/* ==================== 模块3：平台资源展示 ==================== */
.platforms-module-v2 {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.platforms-carousel-wrapper {
  position: relative;
  overflow: hidden;
  margin: 0 -20px;
  padding: 20px;
}

.platforms-carousel {
  display: none;
  position: relative;
  overflow: hidden;
}

.platforms-carousel.active {
  display: block;
}

.carousel-track {
  display: flex;
  gap: 20px;
  will-change: transform;
}

.platform-card-v2 {
  flex: 0 0 245px;
  width: 245px;
  height: 245px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.platform-card-v2 .platform-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.platform-card-v2:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.platform-icon-wrapper {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-icon {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.platform-name {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.resource-count {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.platform-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  color: #666;
}

.carousel-btn:hover {
  background: #667eea;
  border-color: #667eea;
  color: #fff;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.carousel-prev {
  left: 0;
}

.carousel-next {
  right: 0;
}

/* ==================== 模块2：精选案例展示 ==================== */
.cases-module-v2 {
  background: #fff;
}

.cases-layout {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}

/* 左侧行业分类 */
.cases-sidebar {
  flex: 0 0 200px;
  background: #f8f9fa;
  border-radius: 16px;
  padding: 24px 0;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  padding: 0 24px 16px;
  border-bottom: 2px solid #e0e0e0;
  margin-bottom: 16px;
}

.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-item {
  padding: 14px 24px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: #6b7280;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  border-radius: 0 8px 8px 0;
  margin: 2px 0;
}

.sidebar-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  height: 60%;
  width: 3px;
  background: linear-gradient(180deg, #FF4785 0%, #E63670 100%);
  border-radius: 0 2px 2px 0;
  transition: transform 0.25s ease;
}

.sidebar-item:hover {
  background: rgba(255, 71, 133, 0.06);
  color: #E63670;
}

.sidebar-item.active {
  background: linear-gradient(90deg, rgba(255, 71, 133, 0.1) 0%, rgba(255, 71, 133, 0.02) 100%);
  color: #E63670;
  font-weight: 600;
}

.sidebar-item.active::before {
  transform: translateY(-50%) scaleY(1);
}

/* 右侧内容区 */
.cases-content {
  flex: 1;
}

.platform-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.tag-btn {
  padding: 10px 24px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.tag-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: -1;
}

.tag-btn:hover {
  border-color: rgba(255, 71, 133, 0.3);
  color: #E63670;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 71, 133, 0.15);
}

.tag-btn.active {
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 71, 133, 0.35);
  transform: translateY(-1px);
}

.tag-btn.active::before {
  opacity: 1;
}

.cases-display {
  display: flex;
  gap: 30px;
}

/* 中间案例列表 */
.cases-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-item {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.case-item:hover {
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.case-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.case-subtitle {
  font-size: 14px;
  color: #999;
  margin-bottom: 12px;
}

.case-description {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 16px;
}

.case-metrics-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metric-tag {
  padding: 6px 14px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.9) 0%, rgba(31, 41, 55, 0.95) 100%);
  color: #fff;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.metric-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  border-radius: 50%;
  flex-shrink: 0;
}

/* 右侧图片轮播 */
.cases-gallery {
  flex: 0 0 300px;
  height: 500px;
  background: #f8f9fa;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.gallery-carousel {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.gallery-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
}

.gallery-item {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 图片轮播控制按钮 */
.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 71, 133, 0.7); /* 半透明粉红色 */
  color: #fff;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.gallery-nav-btn:hover {
  background: rgba(230, 54, 112, 0.9);
  transform: translateY(-50%) scale(1.1);
}

.gallery-nav-btn.prev {
  left: 12px;
}

.gallery-nav-btn.next {
  right: 12px;
}

.gallery-nav-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.empty-state {
  padding: 40px;
  text-align: center;
  color: #999;
  font-size: 14px;
}

/* ==================== 模块1：解决方案展示 ==================== */
.solutions-module-v2 {
  background: #ffffff;
  color: #1a1a1a;
}

.solutions-module-v2 .module-title {
  color: #E63670; /* 粉红色主题 */
}

.solutions-module-v2 .module-subtitle {
  color: #666;
}

.solutions-module-v2 .tab-btn {
  border: 1px solid rgba(255, 71, 133, 0.2);
  color: #E63670;
  background: rgba(255, 255, 255, 0.95);
}

.solutions-module-v2 .tab-btn:hover {
  border-color: rgba(255, 71, 133, 0.4);
  background: rgba(255, 71, 133, 0.08);
}

.solutions-module-v2 .tab-btn.active {
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 71, 133, 0.35);
}

.solutions-content {
  position: relative;
}

.solutions-group {
  display: none;
}

.solutions-group.active {
  display: block;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.solution-card-v2 {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  border: 2px solid #FF4785;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 71, 133, 0.1);
}

.solution-card-v2:hover {
  background: linear-gradient(135deg, #FFF0F5 0%, #FFE5EF 100%);
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(255, 71, 133, 0.25);
  border-color: #E63670;
}

.solution-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(255, 71, 133, 0.1) 0%, rgba(230, 54, 112, 0.1) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.solution-card-v2:hover .solution-icon {
  background: linear-gradient(135deg, rgba(255, 71, 133, 0.15) 0%, rgba(230, 54, 112, 0.15) 100%);
  transform: scale(1.05);
}

.solution-icon svg {
  width: 48px;
  height: 48px;
}

.solution-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.solution-title {
  font-size: 20px;
  font-weight: 600;
  color: #E63670;
  margin-bottom: 12px;
}

.solution-description {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.solution-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.solution-features li {
  font-size: 14px;
  color: #666;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.solution-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: #34d399; /* 更亮的绿色点缀 */
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
  .platform-card-v2 {
    flex: 0 0 calc(33.333% - 14px);
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-layout {
    flex-direction: column;
  }

  .cases-sidebar {
    flex: 0 0 auto;
  }

  .sidebar-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 24px;
  }

  .sidebar-item {
    padding: 8px 16px;
    border-radius: 20px;
    border: 2px solid #e0e0e0;
  }

  .sidebar-item::before {
    display: none;
  }

  .cases-display {
    flex-direction: column;
  }

  .cases-gallery {
    flex: 0 0 auto;
    height: 300px;
  }
}

@media (max-width: 768px) {
  .homepage-module {
    padding: 60px 0;
  }

  .module-title {
    font-size: 28px;
  }

  .module-subtitle {
    font-size: 14px;
  }

  .platform-card-v2 {
    flex: 0 0 calc(50% - 10px);
  }

  .carousel-btn {
    width: 36px;
    height: 36px;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .platforms-carousel {
    /* 移动端无需额外padding */
  }

  .cases-gallery {
    height: 250px;
  }
}

@media (max-width: 480px) {
  .platform-card-v2 {
    flex: 0 0 100%;
  }

  .carousel-prev {
    left: 10px;
  }

  .carousel-next {
    right: 10px;
  }

  .category-tabs,
  .platform-tags {
    gap: 8px;
  }

  .tab-btn {
    padding: 8px 20px;
    font-size: 14px;
  }

  .sidebar-title {
    font-size: 16px;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-aos="fade-up"] {
  animation: fadeInUp 0.6s ease-out;
}

[data-aos="fade-right"] {
  animation: fadeInRight 0.6s ease-out;
}

[data-aos="fade-left"] {
  animation: fadeInLeft 0.6s ease-out;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   精选案例展示区域样式
   ============================================ */
.cases-section {
  padding: 80px 0;
  background: #fafafa;
  display: block !important; /* 确保默认可见 */
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.case-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  cursor: pointer;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.case-image-wrapper {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: #f5f5f5;
  position: relative;
}

.case-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.case-card:hover .case-image {
  transform: scale(1.05);
}

.case-content {
  padding: 24px;
}

.case-category {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, #FF4785 0%, #E63670 100%);
  color: white;
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
  margin-bottom: 12px;
}

.case-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.case-subtitle {
  font-size: 14px;
  color: #666;
  margin: 0 0 12px 0;
  font-weight: 500;
}

.case-description {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0 0 16px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
  padding: 16px;
  background: #f9fafb;
  border-radius: 12px;
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-label {
  font-size: 12px;
  color: #999;
}

.metric-value {
  font-size: 16px;
  font-weight: 700;
  color: #FF4785;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: #f0f0f0;
  color: #666;
  font-size: 12px;
  border-radius: 6px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .cases-section {
    padding: 60px 0;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .case-image-wrapper {
    height: 200px;
  }

  .case-content {
    padding: 20px;
  }

  .case-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 12px;
  }
}