.de_container {
    margin-top: 20px;
}
.crumb_wrap {
    margin-bottom:10px;
}
.crumb_wrap a{
    margin-right: 10px;
}
.preview_wrap{
    width: 400px;
    height: 590px;
}
.preview_img{
    height: 400px;
    border:1px solid #ccc;
}
.preview_list{
    position: relative;
    height: 60px;
    margin-top: 60px;
}
.list_item{
    width: 320px;
    height: 60px;
    margin-left:30px;
    display: flex;
}
.arrow_prev,.arrow_next{
    position: absolute;
    top: 15px;
    width: 22px;
    height: 32px;
    background-color: purple;
}
.arrow_prev{
    left: 0;
    background:url(../../images/front/arrow-prev.png) no-repeat;
}
.arrow_next{
    right: 0;
    background:url(../../images/front/arrow-next.png) no-repeat;
}
.list_item li{
    float: left;
    width:65px;
    height:60px;
    border:2px solid transparent;
    margin: 0 2px;
}
.list_item li.current{
    border-color: #007cc3;
}


.itemInfo_wrap{
    width: 718px;
}
.sku_name{
    height: 30px;
    font-size: 16px;
    font-weight: 700;
}
.news{
    height: 32px;
    color: #007cc3;
}
.summary dl{
    overflow: hidden;
}
.summary dt,.summary dd{
    float: left;
}
.summary dt{
    width:90px;
    padding-left: 10px;
    line-height: 36px;
}
.good-detail{
    height: 36px;line-height: 36px
}
.summary_price,.summary_promotion{
    position: relative;
    padding: 10px 0;
}
.price{
    font-size: 24px;
    color: #007cc3;
}
.summary_price a{
    color: #007cc3;
}
.mark{
    position: absolute;
    top: 20px;
    right: 10px;
}
.summary_promotion {
    padding-top: 0;
}
.summary_promotion dd{
    width: 450px;
    line-height: 36px;
}
.summary_promotion em{
    display: inline-block;
    width: 40px;
    height: 22px;
    line-height: 22px;
    background-color: #007cc3;
    text-align:center;
    color: #fff;
}
.summary_support dd{
    line-height: 36px;

}

.choose_color a{
    display: inline-block;
    width: 80px;
    height: 41px;
    background-color: #f7f7f7;
    border: 1px solid #ededed;
    text-align: center;
    line-height: 41px;
}
.summary a.current{
    border-color: #007cc3;
}
.choose_color{
    width: 24%;
}
.choose_version{
    width: 50%;
}
.detail-box{
    display: flex;
}
.choose_version a,
.choose_type a{
    display: inline-block;
    height: 32px;
    padding: 0 12px;
    background-color: #f7f7f7;
    border: 1px solid #ededed;
    text-align: center;
    line-height: 32px;
}
.choose_btns{
    margin-top: 20px;
}
.choose_amount{
    position: relative;
    float: left;
    width: 50px;
    height: 46px;
}
.choose_amount input{
    width: 33px;
    height: 44px;
    border: 1px solid #ccc;
}
.choose_amount .add,
.choose_amount .reduce{
    position: absolute;
    right: 0;
    width: 15px;
    height: 22px;
    border: 1px solid #ccc;
    background-color: #f1f1f1;
    text-align: center;
}
.choose_amount .add{
    top: 0;

}
.choose_amount .reduce{
    bottom: 0;
}
.addcar{
    float: left;
    width: 142px;
    height: 46px;
    background-color:#007cc3;
    text-align: center;
    line-height: 46px;
    font-size: 18px;
    color: #fff;
    margin-left: 10px;
    font-weight: 700;
}
.addcar:hover{
    color:#fff;
}


/*产品细节模块product_detail*/
.product_detail{
    overflow: hidden;
}
.aside{
    width: 208px;
    border: 1px solid #ccc;

}
.tab_list li{
    float: left;
    height: 33px;
    background-color: #f1f1f1;
    border-bottom: 1px solid #ccc;
    text-align: center;
    line-height: 33px;
}
.tab_list .current:hover{
    background-color: #fff;
    border-bottom:0;
    color: red;
}
.first_tab{
    width: 104px;
}
.second_tab{
    width: 103px;
    border-left: 1px solid #ccc;
}

.tab_con .one li{
    width: 102px;
    height: 30px;
    float: left;
    text-align: center;
    line-height: 30px;
    margin-right: 2px;
    border-bottom:  1px dashed #ccc;
}
.tab_con .two {
    border-bottom: 1px solid #ccc;
}
.tab_con .two h5{
    padding-left: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
}
.aside_price{
    font-weight: 700;
    padding: 10px 10px;
}
.as_addcar{
    display: block;
    width: 88px;
    height: 26px;
    line-height: 26px;
    text-align: center;
    margin: 10px auto;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
}

.detail{
    width: 978px;
    margin-bottom: 50px;

}
.detail_tab_list{
    height: 39px;
    background-color: #f1f1f1;
    border: 1px solid #ccc;
}
.detail_tab_list li{
    float: left;
    height: 39px;
    line-height: 39px;
    padding: 0 20px;
    cursor: pointer;
}
.detail_tab_list .current{
    background-color: #c81623;
    color: #fff;
}
.detail_tab_con{
    margin-top: 10px;
}
.detail_tab_con li{
    margin:2px;
}
.more{
    float: right;
    font-weight: 700;
}


.mian{
    width: 1200px;
    margin: 0 auto;
    height: auto;
    background-color: #fff;
    padding:20px;
    margin-bottom: 20px;
    margin-top:20px;
}

.mian .m-r{
    width: 100%;
    height: 100%;
    margin: 0 auto;
}

.demo img{
    width: 180px;
    height: 116px;
    overflow: hidden;
}




#tab{
    width: 100%;
    height: auto;
    margin:0px auto;
}
.list_nav{
    float: left;
    width: 100px;
    height: 50px;
    background-color: #eee;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
}

.list {
    display: block !important;
    width: 100%;
    height: 50px;
    background-color: #eee;
}
.active{
    color: white;
    background-color:  #b1191a;;
}
.tab_nav{
    display: none;
    width: 100%;

}
.on{
    display: block;
}






#tabs{
    width: 100%;
    height: auto;
    margin:0px auto;
}
.list_navs{
    float: left;
    width: 100px;
    height: 50px;
    background-color: #eee;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
}

.lists {
    display: block !important;
    width: 100%;
    height: 50px;
    background-color: #eee;
}
.lists li{
    width: 114px;
}
.active{
    color: white;
    background-color:  #007cc3;;
}
.actives{
    color: #007cc3;
    font-weight: 700;
    background-color: white;
}
.tab_navs{
    display: none;
    width: 100%;

}
.on{
    display: block;
}
.demo {
    text-align: center;
    padding: 6px 5px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccc;
}
.demo:last-child{
    border: none;
}
.demo strong{
    display: block;
    margin: 8px 0px;
    text-align: left;
}
.demo P{
    text-align: left;
}
.demo button{
    width: 120px;
    text-align: center;
    height: 32px;
    border: 1px solid #ccc;
    outline: none;
}
.info{
    padding: 15px;
}
.info img{
    width: 700px;
    margin: 0 auto;
}
.item li{
    margin: 4px 0px;
}
.item p{
    margin: 5px 0px;
}

/* 1. 整体容器适配 */
@media screen and (max-width: 768px) {
    .de_container {
        margin-top: 10px;
        padding: 0 12px;
    }
    .crumb_wrap {
        font-size: 12px;
        white-space: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 8px 0;
    }
    .crumb_wrap a {
        font-size: 12px;
        display: inline-block;
    }
}

/* 2. 产品介绍模块 - 改为垂直布局 */
@media screen and (max-width: 768px) {
    .product_intro {
        flex-direction: column !important;
        padding: 15px !important;
    }
    .preview_wrap {
        width: 100% !important;
        height: auto !important;
        display: block !important;
        float: none !important;
    }
    .preview_img {
        width: 32%;
        height: auto;
        text-align: center;
        display: block;
    }
    #main_img{

        width: 90% !important;
        height: auto !important;
        padding: 15px !important;
        display: block !important;
        margin: 0 auto !important;
    }
    .preview_list {
        margin-top: 20px;
        height: auto;
        display: block;
    }
    /*.list_item {*/
    /*    width: 100%;           !* 覆盖：全宽 *!*/
    /*    height: auto;          !* 覆盖：高度自适应 *!*/
    /*    margin: 0;             !* 覆盖：去掉居中 *!*/
    /*    justify-content: center;*/
    /*    flex-wrap: wrap;*/
    /*    gap: 8px;*/
    /*}*/

    /*.list_item li {*/
    /*    width: 55px !important;*/
    /*    height: 55px !important;*/
    /*    margin: 0 !important;*/
    /*    float: none;           !* 清除浮动 *!*/
    /*    display: flex;*/
    /*    align-items: center;*/
    /*    justify-content: center;*/
    /*}*/

    /*.list_item li img {*/
    /*    width: 50px !important;*/
    /*    height: 50px !important;*/
    /*    display: block !important;*/
    /*    object-fit: contain;*/
    /*}*/
    /* 修复左右箭头位置 */
    .arrow_prev, .arrow_next {
        top: 10px;
    }
    .itemInfo_wrap {
        width: 100% !important;
        margin-top: 20px;
        float: none !important;
    }
    .sku_name {
        font-size: 16px;
        line-height: 1.4;
        height: auto;
        margin-bottom: 8px;
    }
    .price {
        font-size: 20px;
    }
    .detail-box {
        flex-direction: column;
    }
    .choose_color, .choose_version {
        width: 100% !important;
    }
    .choose_color dt, .choose_version dt {
        width: 80px;
        padding-left: 0;
    }
    .good-detail {
        font-size: 13px;
    }
    .choose_btns {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .choose_amount {
        float: none;
    }
    .addcar {
        float: none;
        width: calc(50% - 5px);
        margin-left: 0;
        font-size: 14px;
        height: 42px;
        line-height: 42px;
    }
    .hover-btn {
        margin: 0;
        display: flex;
        gap: 10px;
        flex: 1;
    }
    .hover-btn .addcar {
        width: calc(50% - 5px);
    }
    .float-window {
        left: 50%;
        transform: translateX(-50%);
        width: 260px;
    }
}

/* 3. 主内容区域适配 */
@media screen and (max-width: 768px) {
    .mian {
        width: 100% !important;
        padding: 15px !important;
        margin: 15px 0 !important;
    }
    .left-content-right {
        display: flex !important;
        flex-direction: column !important;
    }
    .tab {
        width: 100% !important;
    }
    .tab_nav {
        padding: 0 10px;
    }
}

/* 4. Markdown容器适配 */
@media screen and (max-width: 768px) {
    .markdown-container {
        width: 100% !important;
        padding: 20px 15px !important;
        margin: 15px auto !important;
        font-size: 14px !important;
    }
    .markdown-container h1 {
        font-size: 22px !important;
    }
    .markdown-container h2 {
        font-size: 18px !important;
        margin: 25px 0 15px !important;
        padding: 10px 8px !important;
    }
    .markdown-container h3 {
        font-size: 16px !important;
    }
    .markdown-container p {
        font-size: 14px !important;
        text-indent: 1.5em !important;
    }
    .markdown-container ul,
    .markdown-container ol {
        padding-left: 20px !important;
        margin: 10px 0 !important;
    }
    .markdown-container blockquote {
        padding: 12px 15px !important;
        font-size: 13px !important;
    }
    .keyword-content {
        font-size: 13px !important;
        padding: 10px 0;
        word-wrap: break-word;
    }
    .keyword-content a {
        display: inline-block;
        margin: 3px 5px;
        font-size: 12px !important;
    }
}

/* 5. 右侧相关产品模块适配 */
@media screen and (max-width: 768px) {
    .article-container {
        width: 100% !important;
        margin: 20px 0 !important;
        padding: 15px !important;
    }
    .article-title {
        font-size: 16px !important;
    }
    .product-item {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 10px !important;
        padding: 15px 10px !important;
    }
    .product-img {
        width: 100% !important;
        max-width: 180px !important;
        height: auto !important;
        margin: 0 auto !important;
    }
    .product-content {
        width: 100% !important;
    }
    .product-title {
        font-size: 14px !important;
    }
    .product-cate, .product-meta {
        font-size: 12px !important;
    }
}

/* 6. 内容图片自适应 */
@media screen and (max-width: 768px) {
    #tab1 p img,
    .markdown-container img {
        max-width: 100% !important;
        height: auto !important;
        display: block;
        margin: 10px auto;
    }
}