@media (max-width: 1200px) {
    .main-content {
        display: flex;
        width: 375px;
        height: 652px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .tabs {
        display: none;
    }
    .tab {
        display: none;
    }
    .content-box-top {
        display: none;
    }
    .content-box {
        position: relative;
        display: flex;
        width: 380px;
        margin-top: 14px;
        border: 0px solid rgba(255, 0, 0, 0.3);
        border-radius: 10px;
        background: linear-gradient(144.38deg, #FFFFFF -19.6%, rgba(255, 255, 255, 0) 0%);
    }
    .content-box-middle {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        margin-left: 0;
        margin-top: 0;
    }
    .content-box-middle-left {
        position: relative;
        display: flex;
        align-items: center;
        margin-top: 14px;
        width: 351px;
        height: 209px;
        background-color: #000000;
    }

    .content-box-middle-left video {
        width: 351px;
        height: 209px;
    }

    .content-box-middle-right{
        display: flex;
        align-items: center;
        justify-content: center;
        width: 376px;
        height: 313px;
        margin-top: 8px;
        background-image: url("../img/bless_wall/yidongzhufu.png");
    }

    .box-card.message-wall{
        width: 313px;
        height: 206px;
        margin-bottom: 33px;
        background: linear-gradient(144.38deg, #FFFFFF -19.6%, rgba(255, 255, 255, 0) 98.34%);
        background-color:transparent;
        backdrop-filter: blur(10px);
        border-radius: 10px;
        overflow: hidden;
    }

    .content-box-rightTwo{
        display: flex;
        justify-content: center;
        align-items: center;
        width: 155px;
        height: 48px;
        margin-top: 30px;
        border-radius: 24px;
        border: 1px solid floralwhite;
        cursor: pointer;
        background: linear-gradient(to left, #ff6600 50%,#ff0000);
        /*background-color: pink;*/
    }
    .content-box-right-middleTwo{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100px;
        height: 30px;

    }
    .content-box-right-middle-leftTwo{
        /*    字体*/
        color: #FFFFFF;
    }
    .content-box-right-middle-rightTwo{
        /*    背景图*/
        width: 19px;
        height: 13px;
        background-image: url("../img/bless_wall/jiantou.svg");
    }

    .wall-run .box-card-content {
        width: 100%;
        padding: 0 12px;
    }

    .wall-run .box-card-content .form-item:nth-child(2),
    .wall-run .box-card-content .form-item:nth-child(3),
    .wall-run .box-card-content .form-item:nth-child(4) {
        margin-top: 20px;
    }

    .wall-run .title {
        padding: 10px 28px;
        font-size: 22px;
    }

    .wall-run .box-card-content .form-item:nth-child(3) textarea {
        width: 75%;
    }

    .wall-run .box-card-content .form-item:nth-child(1),
    .wall-run .box-card-content .form-item:nth-child(2) {
        width: 100%;
    }

    .box-card.wall-run {
        height: 520px;
    }

    .school-song .title,
    .message-wall .title {
        font-size: 22px;
        padding: 10px 28px;
    }

    .box-card.school-song {
        height: 415px;
    }

    .school-song .box-card-content {
        height: 300px;
    }

    .form-item span {
        font-size: 12px;
    }

    .wall-run .box-card-content .form-item:nth-child(4) input {
        width: 109px;
        height: 36px;
        font-size: 12px;
    }

    .wall-run .box-card-content .form-item:nth-child(1) input,
    .wall-run .box-card-content .form-item:nth-child(2) input,
    .wall-run .box-card-content .form-item:nth-child(3) textarea {
        font-size: 12px;
        padding: 0;
    }
    .bg-img-right{
        width: 313px;
        height: 374px;
        top: 0;
        right: -170px;

    }
    .bg-img-left{
        width: 400px;
        height: 238px;
        bottom: -95px;
        left: 0;
    }
    .box-card.wall-run{
        width: 90%;
        height: 507px;
    }
    .wall-run .title{
        padding: 45px 50px 22px;
        font-size: 18px;
        line-height: 170%;
        text-align: center;
        color: #666666;
        z-index: 1;
    }
    .wall-run .box-card-content .form-item:nth-child(1),
    .wall-run .box-card-content .form-item:nth-child(2){
        width: 100%;
        height: 40px;
        padding: 0 12px;
    }
    .wall-run .box-card-content .form-item:nth-child(1) input,
    .wall-run .box-card-content .form-item:nth-child(2) input{
        width: 200px;
        height: 25px;
        font-size: 12px;
    }
    .wall-run .box-card-content .form-item:nth-child(3){
        height: 163px;
    }
}