@media screen and (max-width: 768px) {
    /* 动画关键帧定义 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes scaleIn {
        from {
            opacity: 0;
            transform: scale(0.95);
        }
        to {
            opacity: 1;
            transform: scale(1);
        }
    }
    
    @keyframes slideInLeft {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes slideInRight {
        from {
            opacity: 0;
            transform: translateX(20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    /* 元素初始状态 */
    .Two_t1_3bSfRpw,
    .Five_lay_2n4VYR,
    .Three_lay_qTFZuQ,
    .Three_lay_qTFZuQ2,
    .Three_lay_qTFZuQ dl,
    .cwrap dl {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }
    
    /* 动画触发类 */
    .Two_t1_3bSfRpw.animate {
        animation: fadeInUp 0.8s ease-out forwards;
    }
    
    .Five_lay_2n4VYR.animate {
        animation: fadeInUp 0.8s ease-out forwards 0.1s;
    }
    
    .Three_lay_qTFZuQ.animate {
        animation: fadeInUp 0.8s ease-out forwards 0.2s;
    }
    
    .Three_lay_qTFZuQ2.animate {
        animation: fadeInUp 0.8s ease-out forwards 0.3s;
    }
    
    .Three_lay_qTFZuQ dl.animate {
        animation: fadeInUp 0.8s ease-out forwards;
    }
    
    .Three_lay_qTFZuQ dl:nth-child(1).animate {
        animation-delay: 0.4s;
    }
    
    .Three_lay_qTFZuQ dl:nth-child(2).animate {
        animation-delay: 0.6s;
    }
    
    .Three_lay_qTFZuQ dl:nth-child(3).animate {
        animation-delay: 0.8s;
    }
    
    .cwrap dl.animate {
        animation: fadeInUp 0.8s ease-out forwards;
    }
    
    .cwrap dl:nth-child(1).animate {
        animation-delay: 0.5s;
    }
    
    .cwrap dl:nth-child(2).animate {
        animation-delay: 0.7s;
    }
    
    .cwrap dl:nth-child(3).animate {
        animation-delay: 0.9s;
    }
    
    .cwrap dl:nth-child(4).animate {
        animation-delay: 1.1s;
    }
    
    .hbox{
        display: none;
    }

    .One_lay_2EV2va{
        background:url('../images/VRAPPdemobanner_02.jpg') no-repeat center center;
        /* background-size: 100% 100%; */
    }
    .One_lay_2EV2va>div{
        width: 100% !important;
    }
    .One_font2_17fnzl{
        font-size: 24px;
        margin-top: 60px;
        margin-left: 30px;
    }
    .One_font1_35JEc_{
        font-size: 18px;
        text-align: left;
        margin-left: 30px;
    }
    .Two_t1_3bSfRpw{
        padding: 0 20px;
    }
    .Five_lay_2n4VYR{
        height: auto;
        margin-top: 50px;
        padding-bottom: 70px;
    }
    .Five_lay_2n4VYR img{
        max-width: 100%;
    }
    .lastbtn{
        width: calc(100% - 40px);
        height: 50px;
        font-size: 20px;
        margin: 80px 20px;
        line-height: 50px;
    }
    .Three_font1_13U80h{
        margin-bottom: 30px;
        font-size: 32px;
    }
    .Three_lay_qTFZuQ{
        width: 100%;
    }
    .Three_lay_qTFZuQ dl{
        padding: 20px;
    }
    .wrapfl,.wrapfr{
        float: none;
    }
    .wrapfl img{
        width: 100%;
    }
    .wrapfr img{
        width: 100%;
    }
    .wrapfrtop{
        margin-top: 30px;
    }
    .wrapftxt{
        width: 100%;
        margin: 0 !important;
    }
    .wrapftxt h1{
        font-size: 24px;
    }
    .wrapftxt p{
        font-size: 16px;
        text-indent: 2em;
    }
    .cwrap{
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    .cwrap dl{
        margin-right: 0;
        float: none;
    }
}