.news-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: left;
    width: 1200px;
    margin: 100px auto 100px;
    gap: 5px;
}
.news-item {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 20px;
    width: calc((100% - 40px) / 3); 
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    /* margin: 20px 0px; */
}
.news-item img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease; 
}

.news-item:hover img {
    transform: scale(1.05); 
}

.news-info {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.news-time {
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
}
.news-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.2;
}
.news-desc {
    font-size: 14px;
    color: #555;
    margin-bottom: 20px;
    flex-grow: 1;
}
.news-link {
    font-size: 14px;
    color: #192857;
    /* background-color: #192857; */
    text-decoration: none;
    align-self: flex-start;
    border: 1px solid #192857;
    padding: 6px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}
.news-link:hover {
    background-color: #192857;
    color: #fff;
}


/* ===================== 分页 ===================== */
.btn-li{
    width: 1200px;
    margin: auto;
    margin-top: 25px;
    display: flex;
    justify-content: end;
}

.btn-li ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 5px;
}

.btn-li ul li {
    display: inline-block;
    margin-left: 0;
}

.btn-li ul li a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 34px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    font-size: 15px;
    color: #666;
    text-decoration: none;
    font-family: '微软雅黑';
    z-index: 1;
    position: relative;
    padding: 0 !important;
    text-align: center;
}

.btn-li ul li a::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #192857;
    z-index: -1;
    transform: scale(0);
    transition: 0.5s;
}

.btn-li ul li a:hover{
    color: #fff;
}

.btn-li ul li a:hover::before {
    transform: scale(1,1);
}



@media (max-width: 768px) {
    .news-list{
        width: 95%;
        margin: 25px auto 25px;

    }
    .news-item {
        width: 100%;
        margin: 20px 0px;
        
    }
}


@media (max-width: 768px) {
    .btn-li {
        width: 90%;
        display: flex;
        justify-content: center;
        margin: auto;
        margin-bottom: 20px;
    }
    .btn-li ul{
        list-style: none;
        padding: 0;
        display: flex;
        justify-content: center;
        gap: 10px;
    }
    
    .btn-li ul li {
    display: inline-block;
    margin-left: 0px;
    }
 
    .btn-li ul li a {
    display: inline-block;
    /* width: 36px; */
    height: 34px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 15px;
    color: #666;
    text-decoration: none;
    font-family: '微软雅黑';
    z-index: 1;
    position: relative;
    line-height: 34px;
    padding-left: 13px;
 }
 }
 @media (max-width: 375px) {
    .btn-li {
        width: 90%;
        display: flex;
        justify-content: center;
        margin: auto;
        margin-bottom: 20px;
    }
    .btn-li ul{
        list-style: none;
        padding: 0;
        display: flex;
        justify-content: center;
        gap: 5px;
    }
    
    .btn-li ul li {
    display: inline-block;
    margin-left: 0px;
    }
 
    .btn-li ul li a {
    display: inline-block;
    height: 34px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 15px;
    color: #666;
    text-decoration: none;
    font-family: '微软雅黑';
    z-index: 1;
    position: relative;
    line-height: 34px;
    padding-left: 13px;
 }
 }

 /* 电脑端隐藏手机端，手机端隐藏电脑端 */
@media (min-width: 769px) {
    .btn-li .mobile-only { display: none !important; }
  }
  @media (max-width: 768px) {
    .btn-li .pc-only { display: none !important; }
  }
  
  /* 高亮样式 */
  .btn-li ul li a.current {
    background: #192857;
    color: #fff !important;
    border-color: #192857;
  }
  @media (max-width: 480px) {
      .product-list {
          grid-template-columns: 1fr;
      }
  }
  
  @media screen and (min-width:769px) and (max-width:1024px){
      .main-content {
          width: 900px;
      }
      .btn-li{
          width: 900px;
      }
      .nav-bar {
          padding: 0 0;
          text-align: center;
      }
  }