/* ============================================
   V5.1 - 行业方案 + 客户案例 重新排版
   ============================================ */

/* ===== 行业方案 - Tab导航 ===== */
.solutions-tabs .tab-nav {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 10px !important;
  justify-content: center !important;
  margin-bottom: 48px !important;
  padding: 6px !important;
  background: #f5f7fa !important;
  border-radius: 14px !important;
  border: 1px solid #eef0f4 !important;
  max-width: 700px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

.solutions-tabs .tab-btn {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 10px 22px !important;
  background: transparent !important;
  color: #555 !important;
  border: none !important;
  border-radius: 10px !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1) !important;
  white-space: nowrap !important;
  font-family: inherit !important;
  line-height: 1.4 !important;
}

.solutions-tabs .tab-btn:hover {
  background: rgba(0,82,217,0.06) !important;
  color: #0052d9 !important;
}

.solutions-tabs .tab-btn.active {
  background: #0052d9 !important;
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(0,82,217,0.3) !important;
}

/* ===== 行业方案 - Tab内容区 ===== */
.solutions-tabs .tab-content {
  min-height: 300px;
}

.solutions-tabs .tab-pane {
  display: none;
  animation: fadeInTab 0.4s ease;
}

.solutions-tabs .tab-pane.active {
  display: block !important;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 行业方案 - 左右布局 ===== */
.solution-detail {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 48px !important;
  align-items: center !important;
}

.solution-text {
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
}

.solution-text h3 {
  font-size: 26px !important;
  font-weight: 800 !important;
  color: #1a1a2e !important;
  line-height: 1.3 !important;
  margin: 0 !important;
}

.solution-text p {
  font-size: 15px !important;
  color: #555 !important;
  line-height: 1.8 !important;
  margin: 0 !important;
}

.solution-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 10px !important;
}

.solution-list li {
  font-size: 15px !important;
  color: #444 !important;
  line-height: 1.6 !important;
  padding-left: 0 !important;
}

.solution-text .btn-primary {
  align-self: flex-start !important;
  margin-top: 8px !important;
}

/* ===== 行业方案 - 右侧视觉卡片 ===== */
.solution-visual {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.solution-card-stack {
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
  width: 100% !important;
  max-width: 380px !important;
}

.sol-card {
  background: #fff !important;
  border: 1px solid #eef0f4 !important;
  border-radius: 16px !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05) !important;
  padding: 24px 28px !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  color: #1a1a2e !important;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1) !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  position: relative !important;
  overflow: hidden !important;
}

.sol-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 4px 0 0 4px;
  transition: all 0.3s;
}

.sol-card-1::after { background: #0052d9; }
.sol-card-2::after { background: #00b8d9; }
.sol-card-3::after { background: #ff6a00; }

.sol-card:hover {
  transform: translateX(8px) !important;
  box-shadow: 0 8px 28px rgba(0,82,217,0.12) !important;
  border-color: rgba(0,82,217,0.15) !important;
}

/* ===== 客户案例 - 网格布局 ===== */
.cases-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 28px !important;
}

/* ===== 客户案例 - 卡片 ===== */
.case-card {
  background: #fff !important;
  border: 1px solid #eef0f4 !important;
  border-radius: 20px !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04) !important;
  overflow: hidden !important;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1) !important;
  display: flex !important;
  flex-direction: column !important;
}

.case-card:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 20px 48px rgba(0,82,217,0.1) !important;
  border-color: rgba(0,82,217,0.15) !important;
}

/* ===== 客户案例 - 图片区 ===== */
.case-img-wrap {
  position: relative !important;
  overflow: hidden !important;
  aspect-ratio: 16/10 !important;
}

.case-img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1) !important;
}

.case-card:hover .case-img {
  transform: scale(1.05) !important;
}

.case-badge {
  position: absolute !important;
  top: 16px !important;
  left: 16px !important;
  background: #0052d9 !important;
  color: #fff !important;
  padding: 6px 16px !important;
  border-radius: 8px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(0,82,217,0.3) !important;
}

/* ===== 客户案例 - 卡片内容 ===== */
.case-body {
  padding: 28px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
  flex: 1 !important;
}

.case-title {
  font-size: 18px !important;
  font-weight: 700 !important;
  color: #1a1a2e !important;
  line-height: 1.4 !important;
  margin: 0 !important;
}

.case-desc {
  font-size: 14px !important;
  color: #555 !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}

/* ===== 客户案例 - 标签 ===== */
.case-tags {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}

.ctag {
  display: inline-block !important;
  padding: 4px 14px !important;
  background: #f0f5ff !important;
  color: #0052d9 !important;
  border-radius: 6px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  border: 1px solid rgba(0,82,217,0.1) !important;
}

/* ===== 客户案例 - 数据成果 ===== */
.case-result {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 12px !important;
  margin-top: auto !important;
  padding-top: 16px !important;
  border-top: 1px solid #eef0f4 !important;
}

.cr-item {
  background: #f8f9fb !important;
  border: 1px solid #eef0f4 !important;
  border-radius: 12px !important;
  padding: 14px 12px !important;
  text-align: center !important;
  box-shadow: none !important;
  transition: all 0.3s !important;
}

.cr-item:hover {
  border-color: rgba(0,82,217,0.2) !important;
  background: #f0f5ff !important;
  transform: translateY(-2px) !important;
}

.cr-num {
  display: block !important;
  font-size: 22px !important;
  font-weight: 800 !important;
  color: #0052d9 !important;
  line-height: 1.2 !important;
}

.cr-label {
  display: block !important;
  font-size: 12px !important;
  color: #888 !important;
  margin-top: 4px !important;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .solution-detail {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
  .solution-visual {
    order: -1;
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 768px) {
  .solutions-tabs .tab-nav {
    gap: 6px !important;
    padding: 4px !important;
  }
  .solutions-tabs .tab-btn {
    padding: 8px 16px !important;
    font-size: 13px !important;
  }
  .cases-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .case-result {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
  }
  .cr-num {
    font-size: 18px !important;
  }
  .solution-card-stack {
    max-width: 100% !important;
  }
}