/**
 * 凯翼能源科技 - 案例详情页统一样式
 * 版本: 1.0.0
 * 日期: 2026-01-27
 * 设计理念: 科技专业、内容清晰、用户体验优化
 */

/*--------------------------------------------------------------
# 案例详情页基础变量
--------------------------------------------------------------*/
:root {
  /* 案例详情页特定变量 */
  --detail-hero-height: 60vh;
  --detail-sidebar-width: 320px;
  --case-header-gradient: linear-gradient(135deg, 
    rgba(46, 139, 87, 0.95) 0%,
    rgba(46, 139, 87, 0.85) 50%,
    rgba(135, 206, 235, 0.8) 100%);
  --case-glass-background: rgba(255, 255, 255, 0.15);
  --case-glass-border: rgba(255, 255, 255, 0.2);
  --case-glass-blur: blur(10px);
}

/*--------------------------------------------------------------
# 案例详情页基础样式
--------------------------------------------------------------*/
.case-detail-page {
  /* 页面级样式可以在这里定义 */
}

/*--------------------------------------------------------------
# 案例头部区域 (Header)
--------------------------------------------------------------*/
.case-header {
  background: var(--case-header-gradient);
  position: relative;
  padding: 8rem 0 4rem;
  color: var(--color-white);
  overflow: hidden;
}

.case-header-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding: 0 2rem;
}

.case-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-heading);
}

.case-subtitle {
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.4;
}

/* 面包屑导航 */
.breadcrumb-navigation {
  position: absolute;
  top: 3rem;
  left: 2rem;
  z-index: 3;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--color-white);
  text-decoration: none;
  transition: opacity 0.2s;
}

.breadcrumb a:hover {
  opacity: 0.8;
}

.breadcrumb .separator {
  opacity: 0.6;
}

/* 返回案例列表按钮 */
.back-to-cases {
  position: absolute;
  top: 3rem;
  right: 2rem;
  z-index: 3;
}

.back-to-cases .btn-secondary {
  background: var(--case-glass-background);
  -webkit-backdrop-filter: var(--case-glass-blur);
  backdrop-filter: var(--case-glass-blur);
  border: 1px solid var(--case-glass-border);
  color: var(--color-white);
  transition: all var(--transition-base);
}

.back-to-cases .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--color-white);
}

/* 案例元数据栏 */
.case-meta-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
  margin: -1rem;
}

.case-meta-bar > * {
  margin: 1rem;
}

@supports (gap: 2rem) {
  .case-meta-bar {
    gap: 2rem;
    margin: 2rem 0 0;
  }
  .case-meta-bar > * {
    margin: 0;
  }
}

.case-meta-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--case-glass-background);
  -webkit-backdrop-filter: var(--case-glass-blur);
  backdrop-filter: var(--case-glass-blur);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  border: 1px solid var(--case-glass-border);
}

.case-meta-item i {
  font-size: 1.25rem;
}

.case-meta-item span {
  font-weight: 500;
  font-size: 1rem;
}

/*--------------------------------------------------------------
# 案例图片区域
--------------------------------------------------------------*/
.case-image-section {
  margin: 0;
  padding: 0;
  background: var(--color-gray-50);
}

.case-main-image {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.case-main-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.case-main-image img:hover {
  transform: scale(1.01);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
}

.image-caption {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--color-gray-600);
  font-size: 1rem;
  font-style: italic;
}

/*--------------------------------------------------------------
# 案例主内容区域
--------------------------------------------------------------*/
.case-main-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 4rem 0;
}

@supports (display: grid) {
  .case-main-content {
    display: grid;
    grid-template-columns: 1fr var(--detail-sidebar-width);
  }
}

/* 案例文章区域 */
.case-article {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

/* 案例章节样式 */
.case-section {
  margin-bottom: 3rem;
}

.case-section:last-child {
  margin-bottom: 0;
}

.case-section h2 {
  font-size: 2rem;
  color: var(--color-gray-900);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--color-primary);
  font-weight: 600;
  font-family: var(--font-heading);
}

.case-section h3 {
  font-size: 1.5rem;
  color: var(--color-gray-800);
  margin: 2rem 0 1rem;
  font-weight: 600;
}

.case-section p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
}

.case-section ul {
  list-style: none;
  padding-left: 0;
}

.case-section li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  color: var(--color-gray-700);
  font-size: 1.125rem;
  line-height: 1.6;
}

.case-section li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

/* 技术亮点卡片 */
.tech-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem 0;
}

@supports (display: grid) {
  .tech-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

.tech-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

.tech-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(46, 139, 87, 0.1);
}

.tech-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.tech-icon i {
  font-size: 1.75rem;
  color: var(--color-white);
}

.tech-card h3 {
  margin: 0 0 1rem 0;
  color: var(--color-gray-900);
}

/* 成果统计卡片 */
.outcome-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem 0;
}

@supports (display: grid) {
  .outcome-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-gray-100);
}

.stat-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 1.125rem;
  color: var(--color-gray-700);
  font-weight: 500;
}

/*--------------------------------------------------------------
# 案例侧边栏
--------------------------------------------------------------*/
.case-sidebar {
  position: sticky;
  top: 2rem;
  height: fit-content;
}

.sidebar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-100);
}

.sidebar-card:last-child {
  margin-bottom: 0;
}

.sidebar-card h3 {
  font-size: 1.25rem;
  color: var(--color-gray-900);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-gray-100);
  font-weight: 600;
}

/* 信息网格 */
.info-grid {
  display: grid;
  gap: 1rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  color: var(--color-gray-600);
  font-weight: 500;
}

.info-value {
  color: var(--color-gray-900);
  font-weight: 600;
  text-align: right;
}

/* 技术标签 */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  margin-top: 1rem;
  margin: -0.25rem;
}

.tech-tags > * {
  margin: 0.25rem;
}

@supports (gap: 0.5rem) {
  .tech-tags {
    gap: 0.5rem;
    margin: 1rem 0 0;
  }
  .tech-tags > * {
    margin: 0;
  }
}

.tech-tag {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* 客户评价 */
.testimonial {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 3rem;
}

.testimonial-quote {
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
  position: absolute;
  top: -1rem;
  left: -1rem;
  font-family: serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-avatar i {
  font-size: 1.5rem;
}

.author-info h4 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.author-info p {
  margin: 0.25rem 0 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

/* 相关案例 */
.related-case {
  display: block;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  margin-bottom: 1rem;
}

.related-case:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
  transform: translateX(4px);
}

.related-case:last-child {
  margin-bottom: 0;
}

.related-case h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.125rem;
}

.related-case p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.8;
}

/*--------------------------------------------------------------
# 响应式设计
--------------------------------------------------------------*/
@media (max-width: 1024px) {
  .case-main-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .case-sidebar {
    position: static;
  }
  
  .case-header h1 {
    font-size: 2.5rem;
    white-space: normal;
  }
  
  .case-main-image {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .case-header {
    padding: 6rem 0 3rem;
  }
  
  .case-header h1 {
    font-size: 2rem;
    white-space: normal;
  }
  
  .case-subtitle {
    font-size: 1.2rem;
    white-space: normal;
  }
  
  .case-meta-bar {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .breadcrumb-navigation,
  .back-to-cases {
    position: static;
    margin-bottom: 1rem;
  }
  
  .breadcrumb-navigation {
    text-align: center;
  }
  
  .back-to-cases {
    text-align: center;
  }
  
  .case-article {
    padding: 2rem;
  }
  
  .case-main-image {
    padding: 1.5rem;
  }
  
  .tech-highlights {
    grid-template-columns: 1fr;
  }
  
  .outcome-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .case-header h1 {
    font-size: 1.6rem;
    white-space: normal;
  }
  
  .case-header {
    padding: 5rem 0 2rem;
  }
  
  .case-subtitle {
    font-size: 1rem;
    white-space: normal;
  }
  
  .case-section h2 {
    font-size: 1.75rem;
  }
  
  .case-meta-item {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .case-main-image {
    padding: 1rem;
  }
  
  .case-main-image img {
    border-radius: var(--radius-md);
  }
  
  .stat-value {
    font-size: 2.5rem;
  }
}

/*--------------------------------------------------------------
# 新案例详情页组件样式
--------------------------------------------------------------*/

/* 节头部样式 */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-primary);
}

.section-header h2 {
  margin: 0;
  font-size: 2rem;
  color: var(--color-gray-900);
}

.section-icon {
  background: var(--color-primary);
  color: var(--color-white);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.section-content {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-700);
}

/* 技术列表样式 */
.tech-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.tech-item:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
  transform: translateX(5px);
}

.tech-item i {
  color: var(--color-primary);
  font-size: 1.25rem;
}

.tech-item span {
  font-size: 1.125rem;
  font-weight: 500;
}

/* 架构网格样式 */
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.arch-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.arch-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.arch-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
}

.arch-item h4 {
  margin: 0;
  font-size: 1.125rem;
  color: var(--color-gray-900);
}

/* 成果网格样式 */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}

.results-column h3 {
  font-size: 1.375rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary-light);
}

.achievements-list {
  list-style: none;
  padding: 0;
}

.achievements-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 1.125rem;
  position: relative;
  padding-left: 1.5rem;
}

.achievements-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.achievements-list li:last-child {
  border-bottom: none;
}

/* 价值网格样式 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.value-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-gray-100);
}

.value-header i {
  background: var(--color-primary);
  color: var(--color-white);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.value-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--color-gray-900);
}

.value-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.value-card li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 1.125rem;
  position: relative;
  padding-left: 1.5rem;
}

.value-card li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 1.5rem;
}

.value-card li:last-child {
  border-bottom: none;
}

/* 技术参数表格样式 */
.tech-parameters {
  margin: 2rem 0;
  overflow-x: auto;
}

.parameters-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.parameters-table thead {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
}

.parameters-table th {
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-weight: 600;
  font-size: 1.125rem;
}

.parameters-table tbody tr {
  border-bottom: 1px solid var(--color-gray-200);
  transition: background-color var(--transition-base);
}

.parameters-table tbody tr:hover {
  background-color: var(--color-gray-50);
}

.parameters-table tbody tr:last-child {
  border-bottom: none;
}

.parameters-table td {
  padding: 1rem 1.5rem;
  font-size: 1.125rem;
  color: var(--color-gray-700);
}

.parameters-table td:first-child {
  font-weight: 600;
  color: var(--color-gray-900);
}

/* 经验网格样式 */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.experience-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.experience-card h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary-light);
}

.experience-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.experience-card li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 1.125rem;
  position: relative;
  padding-left: 1.5rem;
}

.experience-card li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.experience-card li:last-child {
  border-bottom: none;
}

/* 案例摘要样式 */
.case-summary {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.summary-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.summary-item:last-child {
  border-bottom: none;
}

.summary-item i {
  background: var(--color-gray-100);
  color: var(--color-primary);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.summary-content {
  flex: 1;
}

.summary-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 0.25rem;
}

.summary-value {
  display: block;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

/* 优势列表样式 */
.advantages-list {
  display: grid;
  gap: 0.75rem;
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.advantage-item:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
}

.advantage-item i {
  color: var(--color-primary);
}

.advantage-item span {
  font-size: 1rem;
  font-weight: 500;
}

/* 相关案例新样式 */
.related-case {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  margin-bottom: 1rem;
}

.related-case:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
  transform: translateX(4px);
}

.related-case-icon {
  background: var(--color-primary);
  color: var(--color-white);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.related-case-content {
  flex: 1;
}

.related-case-content h4 {
  margin: 0 0 0.25rem 0;
  font-size: 1.125rem;
}

.related-case-content p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.8;
}

/* 子节样式 */
.subsection {
  margin: 2rem 0;
}

.subsection h3 {
  font-size: 1.5rem;
  color: var(--color-gray-800);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-gray-300);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .architecture-grid,
  .results-grid,
  .value-grid,
  .experience-grid {
    grid-template-columns: 1fr;
  }
  
  .parameters-table th,
  .parameters-table td {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
  
  .related-case {
    flex-direction: column;
    text-align: center;
  }
  
  .related-case-icon {
    margin-bottom: 0.5rem;
  }
}