@font-face {
    font-family: '452';
    src: url('../../font-awesome/fonts/452-cai978.ttf') format('woff'),
    url('.../../font-awesome/fonts/452-cai978.ttf') format('woff2');
}
.manuals-container{
    padding-left: 10.8rem;
    padding-right: 14.9rem;
}

.banner-home img{
    width: 100%;
    padding: 0px;
    height: 100%;
    object-fit: cover;
}
.manuals{
    width: 100%;
    margin-top: 7.5rem;
}
.manuals .title,.social .title,.video .title{
    font-family: '452';
    font-weight: normal;
    font-size: 7.4rem;
    color: #464646;
    text-align: left;
    font-style: normal;
    text-transform: none;
    width: 100%;
    display: block;
    border-bottom: 1px solid #a0a0a0;
    position: relative;
}
.manuals .title::before,
.social .title::before,
.video .title::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 19rem;
    background-color: red;
}
.manuals .title{
    margin-bottom: 3.6rem;
}
.manuals-content .col-4{
       width: 24.333%;
}
.video .title{
    margin-bottom: 5.9rem;
}
.manuals .manuals-content{
     cursor: pointer;
}
.manuals .manuals-content span{

}
.manuals .manuals-content .manuals-content-item{
    height: 50rem;
    background-color: #fbfbfb;
    margin-bottom:2rem;
    position: relative;
}
.manuals .manuals-content .manuals-content-item-span{
    margin-top: 3rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-left: 2rem;
    padding-right: 2rem;
    flex-direction: column;
}
.manuals .manuals-content .manuals-content-item-span img{
        width: 2rem;
    height: auto;
    object-fit: contain;
}
.head{
    margin-bottom: 2rem;
}
.head .head_left{
    gap: 2rem;
}
.select_all{
        position: relative;
    width: 13rem;
    height: 5rem;
    background-color: #f5f5f5;
    border-radius: 4rem;
    padding-left: 2rem;
    gap: 1rem;
    font-size: 1.6rem;
    color: #959595;

    
}
.head .download_btn img{
    width: 2rem;
}
.select_number{
    font-size: 1.6rem;
    color: #959595;
    gap: 0.5rem;
}

.manuals .manuals-content .manuals-content-item .radio{
        width: 2rem;
    height: 2rem;
    display: block;
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    top: 1rem;
    left: 2rem;
    border: 1px solid #ccc;
}
.select_all .radio{
    width: 2rem;
    height: 2rem;
    display: block;
    background-color: #fff;
    border-radius: 50%;
 
    border: 1px solid #ccc;
}
.radio.active{
    background-color: #ccc !important;
}
.manuals .manuals-content .manuals-content-item-span .file{
        justify-content: space-between;
    margin-top: 2rem;
    width: 100%;
}
.manuals .manuals-content .manuals-content-item-span .file span{
        color: #ccc;
    font-size: 1.8rem;
    line-height: 2rem;
}
.manuals .manuals-content .manuals-content-item-span span{
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 2.45rem;
    color: #000000;
    line-height: 3.01rem;
    text-align: left;
    font-style: normal;
    text-transform: none;
     white-space: nowrap;   /* 禁止换行 */
    overflow: hidden;      /* 超出隐藏 */
    text-overflow: ellipsis; /* 超出显示省略号（可选） */
        width: 100%;
}
.manuals .manuals-content img.picture{
    width: 100%;
    height: 72%;
    object-fit: contain;
    background-color: #f5f5f5;
}
.social{
    margin-top: 13.1rem;
}
.social .social-content{
    display: flex  ;
    /*gap: 13.7rem;*/
    justify-content: space-between;
    padding-left: 4.3rem;
    padding-right: 1.2rem;
    margin-top: 11.2rem;
    padding-bottom: 16.4rem;
}
.social .social-content .social-content-item{
    gap: 5.1rem;
}
.social .social-content .social-content-item img{
    width: 17.1rem;
    height: 17.1rem;
}
.social .social-content .social-content-item span{
    width: 16.7rem;
    height: 4.8rem;
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 2.5rem;
    color: #959595;
    line-height: 3.02rem;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.video{
    margin-top: 13.7rem;
}
.video .video-container {
    position: relative;
    width: 177.6rem;
    height: 72.13rem;
    background: #000;
    overflow: hidden;
}

.video .video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video .custom-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 22.7rem;
    height: 22.7rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.video .custom-play-button img{
    width: 100%;
    height: 100%;
}


.video .bottom-text {
    position: absolute;
    bottom: 2.8rem;
    left: 6.1rem;

    z-index: 2;

    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 5.34rem;
    color: #FFFFFF;
    line-height: 5.27rem;
    text-align: left;
    font-style: normal;
    text-transform: none;
}
.video-container-group{
    display: flex;
    gap: 4rem;
    margin-top: 5.5rem;
}
.video-container-group  .video-container{
    height: 47.77rem;
}
.video-container-group  .bottom-text {

    font-size: 3.06rem;
    left: 3.2rem;
    bottom: 2.7rem;
}
.video-container-group .custom-play-button{
    width: 10.8rem;
    height: 10.8rem;
}
.download-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    color: #fff;
    font-size: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
.painagin{
    margin: 12.9rem auto;
    cursor: pointer;
}
.painagin li{
    width: 6rem;
    height: 6rem;

    text-align: center;
    line-height: 6rem;
    font-size: 2rem;
}
.painagin li:hover{
    background-color: #7C7C7C;
}
.painagin li a{
    color: #ccc;
    font-family: 'JDLANGZHENGTI';
    width: 100%;
    height: 100%;
    display: block;
}

.manuals-content .dropdown-item{
    padding: 0px;
}
.manuals-content .dropdown span{
        font-size: 2rem;
        color: #000;
}
.manuals-content .dropdown-menu{
    width: 100%;
}

/* Modal 垂直居中 */
.modal-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) !important;
    margin: 0;
    width: 33rem;
}
.modal-dialog .modal-content{
       width: 44rem;
    height: 20rem;
    padding: 1rem;
    
}
.modal-dialog input{
    padding: 1rem;
    font-size: 1.3rem;
}
.modal .btn{
        font-size: 1.4rem;
    width: 8rem;
    border-radius: 0.3rem;
}
.modal-title{
    font-size: 1.7rem;
}
.modal  a{
    cursor: pointer;
    font-size: 1.4rem;
    color: #6a6868;
}
.modal-dialog #confirmDownload{
        background-color: #e73737;
    border: none;
}
/* Chrome / Safari / Edge */
.modal-dialog input::placeholder {
    font-size: 1.3rem;
}

/* Firefox */
.modal-dialog input::-moz-placeholder {
   font-size: 1rem;
}

/* Internet Explorer 10–11 */
.modal-dialog input:-ms-input-placeholder {
    font-size: 1rem;
}

/* Microsoft Edge (旧版) */
.modal-dialog input::-ms-input-placeholder {
    font-size: 1rem;
}


@media screen and (max-width: 768px) {
    .banner-home {
        aspect-ratio: 9/16;
    }
    .social .social-content .social-content-item{
        margin-top: 10rem;
    }

    .social .social-content .social-content-item span{
        width: 49.7rem;
        font-size: 6.5rem;
        line-height: 8.02rem;
        height: auto;
    }
    .social .social-content .social-content-item img {
        width: 29.1rem;
        height: 29.1rem;
    }
    .manuals .title, .social .title, .video .title{
        font-size: 11.4rem;
    }
    .manuals .title::before, .social .title::before, .video .title::before{
        width: 33rem;
    }
    .manuals .manuals-content .manuals-content-item-span span{
                font-size: 11.05rem;
        height: 13rem;
        line-height: 13rem;
    }
    .manuals-content-item-span img{
        width: 9rem;
        height: auto;
    }
    .video .bottom-text,.video-container-group .bottom-text{
        font-size: 6rem;
    }
    .manuals .manuals-content .manuals-content-item {
    height: 171rem;
    }
    .manuals .manuals-content img.picture {
  
        object-fit: cover;
        
    }
    .manuals .manuals-content .manuals-content-item-span .file span {
    font-size: 9.2rem;
    }
    .manuals .manuals-content .manuals-content-item-span img {
    width: 12rem;
        
    }
    .modal-dialog .modal-content {
                width: 78vw;
        height: 78rem;
        padding: 5rem;
    }
    .modal-dialog{
        width: 78vw;
    }
    .modal-title {
        font-size: 7.7rem;
    }
    .modal-dialog input {
        padding: 2rem;
        font-size: 6.3rem;
        margin-top: 6rem;
        height: 22rem;
    }
    .modal-dialog input::placeholder {
        font-size: 6.3rem;
    }

    .modal .btn {
        font-size: 6.4rem;
        width: 30rem;
        border-radius: 1.3rem;
    }
    .modal a {
        font-size: 6.4rem;
       
    }
    .close{
        font-size: 7rem;
    }
    .painagin li {
        width: 17rem;
        height: 17rem;
        text-align: center;
        line-height: 16rem;
        font-size: 10rem;
    }
    .manuals-content .dropdown span {
        font-size: 10rem;
        color: #000;
    }
    .manuals {
        margin-top: 52.5rem;
    }
    .select_all {
        position: relative;
        width: 39rem;
        height: 21rem;
        background-color: #f5f5f5;
        border-radius: 3rem;
        padding-left: 2rem;
        gap: 7rem;
        font-size: 10.6rem;
        color: #959595;
    }
    .select_all .radio {
        width: 7rem;
        height: 7rem;
        display: block;
        background-color: #fff;
        border-radius: 50%;
        border: 1px solid #ccc;
    }
    .head .head_left {
        gap: 24rem;
    }
    .select_number {
        font-size: 8.6rem;
        color: #959595;
        gap: 2.5rem;
    }
    .head .download_btn img {
        width: 11rem;
    }
    .manuals .manuals-content .manuals-content-item .radio {
        width: 7rem;
        height: 7rem;
       
        top: 3rem;
        left: 4rem;
    
    }
    .manuals .manuals-content .manuals-content-item-span{
        margin-top: 11rem;
    }
}