   /* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
    touch-action: manipulation;
    list-style: none;
}

body {
    background-color: #f5f5f5;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* 通用块样式 */
.block {
    width: 80%;
    margin: 0 auto;
}

/* 导航栏 */
.nav {
    background-color: #333;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    z-index: 100;
    top: 0;
    width: 80%;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
}


.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

.nav-links img {
    width: 1rem;
    height: 16px;
}

.nav-links>li:nth-of-type(2){
            border-bottom: 2px solid rgb(233, 119, 19);
        }
.prosous{
        width: 80%;
        height: 50px;
        display: flex;
        justify-content: flex-end;
        text-align: center;
        align-items: center;
        position: relative;
        top:75px;
        gap: 5px;
      }
.prosous input{
        width: 50%;
        height: 35px;
        border: 1px solid white;
        border-bottom: 1px solid black;

      }
.prosous button{
        width: 80px;
        height: 35px;
        background-color: blue;
        color:white;
        font-size: 16px;
        border: 1px solid white;
        border-radius: 5px;
      }  

        
.info-card {
  margin-top: 75px;
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3列网格 */
  gap: 10px;
  width: 80%;
  margin-left: auto; /* 居中中容器 */
  margin-right: auto;
}

.info-card-fq {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  display: flex;
  flex-direction: column; /* 垂直排列子元素（图片在上，文字在下） */
  background: #fff; /* 增加白色背景，避免内容透明 */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1); /* 可选：增加阴影增强立体感 */
}

/* 保留16:9比例的占位元素（只作用于图片容器） */
.info-card-fq::before {
  content: "";
  display: block;
  padding-top: 56.25%; /* 16:9 比例（高度=宽度×9/16） */
}

/* 图片容器：填充占位区域 */
.info-card-fq-img {
  position: absolute; /* 仅图片容器绝对定位，填充占位空间 */
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgb(4, 3, 0);

}

.info-card-fq-img img {
  width: 100%;
  height: 100%;
  object-fit: cover; 
    

 
}

/* 文字区域：正常文档流，位于图片下方 */
.info-card-fq-wz {
  display: flex;
  padding: 1rem;
  flex-direction: column;
  gap:8px
}

.info-card-fq-wz-bt {
  display: flex;
  text-align: center;
  align-items: center;
  justify-content: space-between;
}

.info-card-fq-wz-bt h3 {
 color:rgb(65, 74, 242);
}
.info-card-fq-wz-bt button{
 padding: 10px 15px;
 background-color:rgb(65, 74, 242) ;
 color: white;
 border-radius: 5px;
 border: 1px solid white;
}
.info-card-fq-wz-xx{
    font-size: 1rem;
}

.info-card-fq-wz-bt span {
  background: #ff6b35;
  color: white;
  font-size: 16px;
  padding: 2px 8px;
  border-radius: 4px;
}
.footer {
            background-color: #222;
            color: #aaa;
            padding: 2rem;
            margin: 20px auto;
            text-align: center;
            width:80%;
           

        }
.footer-kf{
         width: 100%;
          display: flex;
          text-align: center;
          flex-direction: row;
          justify-content: center;
          align-items:center ;
          gap: 10px;
  }

  .kf img{
   width: 150px;
   height:150px;

  }
  .wz p{
    color:white;
    font-size: 0.8rem;
  }
@media(max-width:1100px){
.info-card{
 grid-template-columns: repeat(2,1fr);


}
}
@media(max-width:768px){
.nav{
        width: 100%;
    }
.prosous{
      height: 80px;
      top:95px;
      width: 95%;
    }
.prosous input{
     width: 100%;
     font-size: 1.2rem;
    }      
.nav-links a {
      color: white;
      text-decoration: none;
        }
    
.info-card{
    width:95%;
}

.nav {
      flex-direction: column;
      gap: 1rem;
            }
          
.info-card{
 grid-template-columns: repeat(1,1fr);

}
.footer{
    width: 100%;
}

}