@media screen and (max-width: 768px) {
   
     .dai_banner p:nth-child(1){
        font-size: 28px;
    }
    .dai_banner p:nth-child(2){
        font-size: 20px;
        margin-top: 20px;
    }
    .d_cont1{
        width: 100%;
    }
    .d_cont1body{
        padding: 20px;
    }
    .d_cont1body dl{
        float: none;
        height: auto;
        margin-bottom: 20px;
    }
    .d_cont1body .d_cont1list1, .d_cont1body .d_cont1list3{
        width: 100% !important;
        height: auto;
    }
    .d_cont1body dl dt h1{
        font-size: 22px;
    }
    .d_cont1body dl dt{
        width: 100% !important;
        background-size: cover !important;
    }
    .d_cont1body dl dt span{
        height: 5px;
    }
    .d_cont1body dl dd{
        overflow: hidden;
    }
    .d_cont1body dl dd p{
        margin-bottom: 30px;
        font-size: 14px;
        text-indent: 2em;
    }
    .d_cont1body .d_cont1list2{
        width: 100%;
        margin: 0;
        margin-bottom: 20px;
    }
    .d_cont2box{
        width: 100%;
        height: auto;
        background:none;
        padding: 20px;
        position: relative;
    }
    
    /* 时间轴主线条 */
    .d_cont2box::before {
        content: '';
        position: absolute;
        left: 38px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: #286efa;
    }
    
    .d_cont2 .d_cont2box ul{
        width: 100%;
        height: auto;
        margin: 0;
        padding: 0;
    }
    
    .d_cont2 .d_cont2box ul:nth-child(1),
    .d_cont2 .d_cont2box ul:nth-child(2){
        float: none;
        margin-left: 0;
        margin-top: 0;
    }
    
    .d_cont2 .d_cont2box ul li{
        width: calc(100% - 60px);
        height: auto;
        margin-bottom: 30px;
        margin-left: 40px;
        padding: 15px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        position: relative;
        transition: all 0.3s ease;
    }
    
    /* 时间轴节点 */
    .d_cont2 .d_cont2box ul li::before {
        content: '';
        position: absolute;
        left: -30px;
        top: 50%;
        transform: translateY(-50%);
        width: 16px;
        height: 16px;
        background: #286efa;
        border-radius: 50%;
        border: 4px solid #fff;
        box-shadow: 0 0 0 2px #286efa;
    }
    
    /* 年份样式 */
    .d_cont2 .d_cont2box ul li b {
        display: inline-block;
        font-size: 16px;
        color: #286efa;
        font-weight: bold;
        background: rgba(40, 110, 250, 0.1);
        padding: 4px 8px;
        border-radius: 4px;
        margin-right: 10px;
    }
    
    /* 内容样式 */
    .d_cont2 .d_cont2box ul li p {
        display: inline-block;
        font-size: 14px;
        color: #666;
        margin: 0;
        vertical-align: middle;
    }
    
    /* 悬停效果 */
    .d_cont2 .d_cont2box ul li:hover {
        transform: translateX(10px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    }
    
    /* 移除底部边框 */
    .d_cont2 .d_cont2box ul li:nth-last-child(1){
        border-bottom: none;
    }
    .d_cont3body{
        width: 273px;
        height: auto;
        margin: 0 auto;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    .d_cont3{
        width: 100%;
        height: auto;
        padding: 20px;
    }
    .d_cont3body dl{
        width: 273px;
        height: 409px;
        float: none;
        margin-right: 0;
        /* background-size: cover !important; */
        overflow: hidden;
        margin-bottom: 20px;
    }
    .d_cont3body dl dt{
        /* margin-top: 00px; */
        font-size: 24px;
    }
    .d_cont3body dl dd{
        font-size: 16px;
        width: 100%;
        padding: 0 20px;
        line-height: 1.5;
    }
    .d_cont4body{
        width: 100%;
        padding: 20px;
    }
    .d_cont4body dl{
        float: none;
        width: 100%;
        margin-bottom: 40px;
    }
    .d_cont4body dl dt img{
        width: 100%;
        height: auto;
    }
    .d_cont4body dl dd{
        font-size: 18px;
        margin-top: 20px;
    }
    .d_cont5{
        width: 100%;
        height: auto;
        padding: 20px;
        position: static;
    }
    .d_cont5title{
        position: static;
        left: 0;
        top: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: none;
    }
    .d_cont5title h1,.d_cont4 .title h1,.d_cont8 .title h1,.d_cont7 .title h1,.d_cont6 .title h1,.d_cont3 .title h1,.d_cont2 .title h1,.d_cont1 .title h1{
        color: #333;
        margin-top: 0;
        font-size: 24px;
        line-height: 1.5;
    }
    .d_cont5title span{
        background: #286efa;
        border-radius: 60px;
        width: 50px;
        height: 6px;
        display: block;
        margin: 17px auto 0;
    }
    
    .d_cont5main1{
        width: 100%;
        height: auto;
        /* padding: 20px; */
        position: static;
        left: 0;
        top: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: none;
        overflow: hidden;
        margin-top: 30px;
    }
    .d_cont5main1box{
        width: 100%;
        margin-top: 0;
    }
    .d_cont5main2{
        width: 100%;
        height: auto;
        /* padding: 20px; */
        position: static;
        left: 0;
        top: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: none;
        overflow: hidden;
        margin-top: 20px;
    }
    .d_cont5main3{
        width: 100%;
        height: auto;
        /* padding: 20px; */
        position: static;
        left: 0;
        top: 0;
        right: 0;
        width: 100%;
        height: auto;
        background: none;
        overflow: hidden;
        margin-top: 20px;
    }
    .d_cont5main1boxb dl{
        float: none;
        width: 100%;
        padding: 20px;
        margin-right: 0;
    }
    .d_cont5main1boxb dl dt{
        height: 100px;
        line-height: 100px;
        width: 100px;
        font-size: 14px;
    }
    .d_cont5main1boxb dl .text{
        font-size: 14px;
        line-height: 1.5;
    }
    .d_cont5main1box>dl dt{
        height: 50px;
        width: 50px;
        line-height: 50px;
        font-size: 32px;
        margin-right: 10px;
    }
    .d_cont5main1box dl dd h1{
        font-size: 20px;
    }
    .d_cont5main1box dl dd p{
        font-size: 12px;
    }
    .d_cont6 .title{
        padding: 0 20px;
    }
    .d_cont6box{
        width: 100%;
        padding: 20px;
        text-align: center;
    }
    .d_cont6box img{
        display: inline-block;
        float: none;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .d_cont7{
        width: 100%;
    }
    .d_cont7 img{
        width:calc(100% - 40px);
        margin: 0 auto;
    }
    .d_cont8mian{
        width: 100%;
        padding: 20px;
    }
    .d_cont8mian dl{
        float: none;
        width: 100%;
        height: auto;
        margin-right: 0;
        margin-bottom: 20px;
        border-radius: 10px;
        overflow: hidden;
    }
    .d_cont8mian dl dt img{
        width: 100%;
        height: auto;
        
    }
    .d_cont8mian dl dd{
        font-size: 24px;
        width: 100%;
    }
    .d_last_cont{
        width: auto;
    }
    .d_lasttitle h1{
        padding: 60px 20px 0 20px;
        font-size: 18px;
        line-height: 1.5;
    }
    .d_last_cont a{
        font-size: 14px;
        width: 200px;
        height: 40px;
        line-height: 40px;
    }
}