/* 中誉应用领域组件样式 */
.zhongyu-application {
  padding: 140px 0;
  background: #0C3054;
  color: #fff;
}

@media (min-width: 1800px) {
  .zhongyu-application .container {
    max-width: 1600px;
  }
}

/* 标题区域 */
.zhongyu-application-header {
  text-align: center;
  margin-bottom: 60px;
}

.zhongyu-application-icon {
  width: 24px;
  height: 24px;
  color: #fff;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zhongyu-application-title {
  font-family: var(--title-font-family, 'Montserrat', sans-serif);
  font-size: var(--zhongyu-title, 36px);
  font-weight: 700;
  line-height: 1.17;
  color: #fff;
  margin: 0 0 6px 0;
}

.zhongyu-application-description {
  font-family: var(--font-family, 'Montserrat', sans-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.22;
  color: #fff;
  margin: 0;

}

/* 案例展示区域 */
.zhongyu-application-content {
  display: flex;
  gap: 20px;
  align-items: stretch;
}

/* 左侧主要案例 */
.zhongyu-application-main-case {
  flex: 0 0 40%;
  aspect-ratio: 647/594;
  /* width: calc(40% - 20px); */
}

.zhongyu-application-main-case .zhongyu-application-case {
  height: auto;
  aspect-ratio: 647/594;
}

/* 右侧案例网格 */
.zhongyu-application-grid {
  flex: 1;
  display: flex;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
  flex-wrap: wrap;
  /* height: 599px; */
}

/* 案例卡片基础样式 */
.zhongyu-application-case {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  border-radius: 4px;
}
.zhongyu-application-case-content{
  transition: all 0.3s ease;
}
.zhongyu-application-case:hover .zhongyu-application-case-content{
  /* top: 0; */
  height: 100%;
}

.zhongyu-application-case:hover {
  transform: translateY(-5px);
  /* box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); */
}
.zhongyu-application-case:hover .zhongyu-application-case-desc{
  font-size: 24px !important;
}
.zhongyu-application-case-small {
  height: auto;
  /* min-height: 289px; */
}
@media (min-width: 991px) {
  .zhongyu-application-case-small:nth-child(1){
  width: 32%;
}
.zhongyu-application-case-small:nth-child(2){
  width: calc(68% - 20px);
}
.zhongyu-application-case-small:nth-child(3){
  width: calc(68% - 20px);
}
.zhongyu-application-case-small:nth-child(4){
  width: 32%;
}
}
.zhongyu-application-case-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

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

.zhongyu-application-case:hover .zhongyu-application-case-image img {
  transform: scale(1.05);
}

.zhongyu-application-case-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(12, 48, 84, 0.6);
  transition: background 0.3s ease;
}

.zhongyu-application-case:hover .zhongyu-application-case-overlay {
  background: rgba(12, 48, 84, 0.8);
}

.zhongyu-application-case-content {
  position: absolute;
  bottom: 0;
  /* top: 100px; */
  left: 0;
  right: 0;
  padding: 0 10px;
  background: rgba(12, 48, 84, 0.8);
  text-align: center;
  min-height: 83px;
  height: 83px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}

.zhongyu-application-case-title {
  font-family: var(--title-font-family, 'Montserrat', sans-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 10px 0;
}

.zhongyu-application-case-desc {
  font-family: var(--font-family, 'Montserrat', sans-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
  color: #fff;
  margin: 0;
  text-align: left;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3; /* 这里是超出几行省略 */
  overflow: hidden;
}

/* 主要案例的特殊样式 */
.zhongyu-application-main-case .zhongyu-application-case-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.zhongyu-application-main-case .zhongyu-application-case-desc {
  font-size: 16px;
  line-height: 1.56;
  white-space: pre-line;
}

/* ========================================
   响应式设计 - 桌面优先断点系统
   
   断点说明（从大到小依次覆盖）：
   - 默认: ≥1200px (桌面大屏)
   - lg: <1200px   (桌面小屏)
   - md: <992px    (平板)
   - sm: <768px    (手机横屏)
   - xs: <576px    (手机竖屏)
   ======================================== */

/* Large (lg) - <1200px */
@media (max-width: 1199.98px) {
  .zhongyu-application {
    padding: 100px 0;
  }
  
  .zhongyu-application-header {
    margin-bottom: 50px;
  }
  
  
  .zhongyu-application-description {
    font-size: 15px;
  }
  
  .zhongyu-application-main-case .zhongyu-application-case {
    /* height: 500px; */
  }
  
  .zhongyu-application-grid {
    /* height: 500px; */
  }
  
  .zhongyu-application-case-small {
    /* min-height: 240px; */
  }
}

/* Medium (md) - <992px */
@media (max-width: 991.98px) {
  .zhongyu-application {
    padding: 80px 0;
  }
  

  
  .zhongyu-application-description {
    font-size: 14px;
  }
  
  /* 移动端：所有案例统一布局，每行两个 */
  .zhongyu-application-content {
    display: block;
  }
  
  .zhongyu-application-main-case {
    margin-bottom: 20px;
  }
  
  /* 将主案例也加入网格系统 */
  .zhongyu-application-main-case,
  .zhongyu-application-grid {
    display: grid;
    /* grid-template-columns: repeat(2, 1fr); */
    gap: 20px;
    width: 100%;
  }
  
  /* 统一案例卡片高度 */
  .zhongyu-application-case,
  .zhongyu-application-case-small {
    height: 200px;
    min-height: 200px;
  }
}

/* Small (sm) - <768px */
@media (max-width: 767.98px) {
  .zhongyu-application {
    padding: 60px 0;
  }
  
  .zhongyu-application-header {
    margin-bottom: 40px;
  }
  

  
  /* 保持每行两个的布局，优化间距和内容 */
  .zhongyu-application-main-case,
  .zhongyu-application-grid {
    gap: 15px;
  }
 
  
  .zhongyu-application-case-content {
    padding: 15px 8px;
    min-height: 60px;
  }
  
  .zhongyu-application-case-title {
    font-size: 14px;
    margin-bottom: 5px;
  }
  
  .zhongyu-application-case-desc {
    font-size: 11px;
  }
  
  .zhongyu-application-main-case .zhongyu-application-case-desc {
    font-size: 14px;
    line-height: 1.3;
  }
}

/* Extra Small (xs) - <576px */
@media (max-width: 575.98px) {
  .zhongyu-application {
    padding: 40px 0;
  }
  
  .zhongyu-application-header {
    margin-bottom: 30px;
  }
  
  
  .zhongyu-application-description {
    font-size: 13px;
  }
  
  .zhongyu-application-content {
    gap: 15px;
  }
  
  .zhongyu-application-grid {
    gap: 15px;
  }
  
  /* 极小屏幕：改为单列布局 */
  .zhongyu-application-grid {
    grid-template-columns: 1fr;
  }
  
  .zhongyu-application-main-case .zhongyu-application-case,
  .zhongyu-application-case-small {
    /* height: 180px; */
    min-height: 180px;
  }
  
  .zhongyu-application-case-content {
    padding: 12px 6px;
    min-height: 50px;
  }
  
  .zhongyu-application-case-title {
    font-size: 12px;
  }
  
  .zhongyu-application-case-desc {
    font-size: 13px;
  }
  
  .zhongyu-application-main-case .zhongyu-application-case-desc {
    font-size: 13px;
  }
}

/* 确保组件样式隔离 */
.zhongyu-application *,
.zhongyu-application *::before,
.zhongyu-application *::after {
  box-sizing: border-box;
}

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

.zhongyu-application {
  animation: fadeInUp 0.6s ease-out;
}