/* 滚动显示元素的基础样式 */
    .reveal-element {opacity: 0;transform: translateY(30px);transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);}
    .reveal-element.visible {opacity: 1;transform: translateY(0);}

    /* 不同的动画效果 */
    .fade-in-up {opacity: 0;transform: translateY(30px);}
    .fade-in-down {opacity: 0;transform: translateY(-30px);}
    .fade-in-left {opacity: 0;transform: translateX(-30px);}
    .fade-in-right {opacity: 0;transform: translateX(30px);}
    .zoom-in {opacity: 0;transform: scale(0.9);}
    .flip-in {opacity: 0;transform: rotateY(90deg);}
    
    /* 首页交错动画延迟 */
    .advantage_all { transition-delay: 0.2s; }
    .aboutus_all { transition-delay: 0.3s; }
    .product_all { transition-delay: 0.4s; }
    .solution_all { transition-delay: 0.5s; }
    .news_all { transition-delay: 0.6s; }
    /*.contact_all { transition-delay: 0.7s; }*/
    /* .sub_formbox { transition-delay: 0.7s; }
    .foot{transition-delay: 0.8s;} */
    
    /* 内部元素的交错动画 */
    .advantage_all ul li {opacity: 0;transform: translateY(20px);transition: all 0.6s ease;}
    .advantage_all.visible ul li:nth-child(1) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .advantage_all.visible ul li:nth-child(2) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
    .advantage_all.visible ul li:nth-child(3) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
        
  /* 关于我们卡片的交错动画 */
    .aboutus_all .container {opacity: 0;transform: translateY(20px);transition: all 0.10s ease;}
    .aboutus_all.visible .container:nth-child(1){ transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .aboutus_all.visible .container:nth-child(2) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
    /* 产品卡片的交错动画 */
    .product_box .p_box {opacity: 0;transform: translateY(20px);transition: all 0.6s ease;}
    .product_all.visible .p_box:nth-child(1) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .product_all.visible .p_box:nth-child(2) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
    .product_all.visible .p_box:nth-child(3) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
    .product_all.visible .p_box:nth-child(4) { transition-delay: 0.8s; opacity: 1; transform: translateY(0); }
    .product_all.visible .p_box:nth-child(5) { transition-delay: 0.10s; opacity: 1; transform: translateY(0); }
    
    /* 解决方案卡片的交错动画 */
    .sa_top {opacity: 0;transform: translateY(20px);transition: all 0.6s ease;}
    .solution_all.visible .sa_top:nth-child(1) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .solution_con1 {opacity: 0;transform: translateY(20px);transition: all 0.8s ease;}
    .solution_all.visible .solution_con1:nth-child(1) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .solution_all.visible .solution_con1:nth-child(2) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
    .solution_all.visible .solution_con1:nth-child(3) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
    .solution_all.visible .solution_con1:nth-child(4) { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }
    .solution_all.visible .solution_con1:nth-child(5) { transition-delay: 0.8s; opacity: 1; transform: translateY(0); }
    
    /* 新闻卡片的交错动画 */
    .card-newlist .card {opacity: 0;transform: translateY(20px);transition: all 0.6s ease;}
    
    .news_all.visible .card-newlist .card:nth-child(1) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
    .news_all.visible .card-newlist .card:nth-child(2) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
    .news_all.visible .card-newlist .card:nth-child(3) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }

    /* 产品列表 */
    .feature-section{opacity: 0;transform: translateY(20px);transition: all 0.6s ease;}
    .feature-section.visible .feature-item{ transition-delay: 0.2s; opacity: 1; transform: translateY(0); }