.mdy_h3::before,
.mdy_h3::after {
    content: "";
    display: inline-block;
    width: 3.5rem;
    height: 1px;
    background: #000000;
}
/* 关于我们 */
.about_box {
    padding-top: 3.9rem;
}
.about_box .mdy_flex {
    justify-content: center;
    flex-wrap: nowrap;
    gap: 3.9rem;
}
.about_con {
    padding: 4.8rem 0;
}
.about_left {
    max-width: 687px;
    position: relative;
}
.about_left::after {
    content: "";
    position: absolute;
    top: -1rem;
    right: -1rem;
    width: 30%;
    height: 110%;
    background: var(--primary-color);
    z-index: -1;
}
.about_right {
    max-width: 30.95rem;
}
.title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #000000;
}
.con {
    font-size: 0.8rem;
    color: #000000;
    margin: 2.65rem 0;
}
.btn {
    padding: 0.9rem 2.2rem;
    background: #d5393a;
    font-size: 0.8rem;
    color: #ffffff !important;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}
/*.btn:hover {*/
/*    color: var(--primary-color) !important;*/
/*}*/
.btn::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 33%;
    height: 100%;
    background: #b02123;
    transform: skewX(20deg);
    transform-origin: top right;
    z-index: 0;
}
.about-swiper-container {
    overflow: hidden;
}
.about-swiper-container .swiper-slide {
   max-width: 17.7rem; 
}
/* 行业分类 */
.industry_box {
    max-height: 20.9rem;
    margin: 5.45rem 0 3.6rem;
    padding: 3.6rem 0 3.85rem;
    background: #ffffff url(../img/industry/industry_bg.jpg) no-repeat center;
}
.industry_box .dth_wh {
    max-width: 55.5rem;
}
.industry_box .mdy_h3 {
    color: #ffffff;
}
.industry_box .mdy_h3::before,
.industry_box .mdy_h3::after {
    background: #ffffff;
}
.industry_list p {
    font-size: 1.5rem;
    margin-top: 1.6rem;
    color: #ffffff;
    text-align: center;
}
.industry_img {
    max-width: 4.7rem;
}
.industry_con {
    padding-top: 3.7rem;
}

/* 产品中心 */
.product_left {
    max-width: 34.9rem;
}
.product_con .hvr-rectangle-out {
    background: #ffffff;
}
.product_con .hvr-rectangle-out:before {
    background: #b5b5b5;
}
.product_left .swiper-slide:hover .text {
    color: var(--primary-color);
}
.product_right .product_list {
    width: auto;
}
.product_right .mdy_grid {
    grid-template-columns: repeat(2, 1fr);
} 
.product_list li:nth-last-child(-n+2) {
    margin-bottom: 0;
}
.product_list li:hover .text {
    color: var(--primary-color);
}
.product_img {
    padding: 4.5rem 5rem;
    border: 1px solid #ADADAD;
}
.product_img .img {
    display: flex;
    justify-content: center;
    align-items: center;
}
.product_con {
    padding: 3.55rem 0 5.35rem;
    gap: 3rem;
    flex-wrap: nowrap;
}
.text {
    font-size: 1.2rem;
    text-align: center;
    margin-top: 1.5rem;
    line-height: 1;
}
.product_right .text {
    margin-top: 0.5rem;
}
.product_box .swiper-pagination {
    justify-content: flex-end;
    padding-right: 5.7rem;
    bottom: 5rem;
}
.product_box .swiper-pagination .swiper-pagination-bullet {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 4px;
    border: 1px solid #ADADAD;
}
.product_box .swiper-pagination-bullet-active {
    background: var(--background-color);
}

/* 应用案例 */
.case_list .img {
    width: 4.9rem;
    height: 4.45rem;
    max-width: 4.9rem;
    max-height: 4.45rem;
}
.case_con {
    padding-top: 4rem;
    padding-bottom: 5.1rem;
}

.case_con .hvr-rectangle-out:before {
    background: var(--background-color);
}
.case_con li:hover a {
    color: #ffffff;
}
.case_list .img img {
    width: 100%;
    height: 100%; 
    object-fit: contain;
}
.case_list .mdy_flexAl {
    flex-direction: column;
}
.case_list li {
    background: #F1F1F1;
    border-radius: 15px;
    overflow: hidden;
    padding: 3rem 0;
}
.case_list .text {
    font-size: 1.3rem;
}
/* 合作伙伴 */
.partner_box {
    background: rgba(0, 0, 0, 0.5);
    padding-top: 3.7rem;
    padding-bottom: inherit;
    min-height: 44.65rem;
}
.partner_box .mdy_h3 {
    color: #ffffff;
}
.partner_box .mdy_h3::before,
.partner_box .mdy_h3::after {
    background: #ffffff;
}
.partner_box .mdy_flex {
    justify-content: center;
}
.partner_con {
    padding-top: 4.1rem;
}
.partner_nav {
    margin-bottom: 2.25rem;
}
.partner_nav li {
    font-size: 1.3rem;
    flex-grow: 1;
    text-align: center;
    cursor: pointer;
    color: #000000;
}
.partner_nav .on {
    color: #ffffff;
}

.partner_list_box li {
    position: relative;
    max-height: 8.4rem;
    display: flex;
}
.partner_list_box li p {
    opacity: 0;
    visibility: hidden;
    width: 100%;
    position: absolute;
    bottom: -1.1rem;
    font-size: 0.9rem;
    z-index: 1;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.5);
    line-height: 1.1rem;
    text-align: center;
    transition: all 0.5s linear;
}
.partner_list_box li:hover p {
    opacity: 1;
    visibility: visible;
    bottom: 0;
}
.partner_list_box .mdy_grid {
    grid-template-columns: repeat(5, 1fr);
    column-gap: 0.5rem;
    row-gap: 0.7rem;
}
/* 新闻中心 */
.news_box {
    padding-top: 3.65rem;
    padding-bottom: 5.5rem;
}
.news_con {
    padding-top: 3.4rem;
}
.news_box .mdy_grid {
    grid-template-columns: repeat(2, 1fr);
    grid-column-gap: 2.2rem;
}
.news_box .mdy_flex {
    flex-wrap: nowrap;
    justify-content: flex-start;
}
.news_list li .img {
    max-width: 11.55rem;
    max-height: 5.8rem;
    overflow: hidden;
}
.news_list li .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news_list li .text {
    text-align: left;
    margin: 0;
    margin-left: 2.5rem;
    max-width: calc(100% - 11.55rem - 2.5rem);
}
.news_list li .text span {
    font-size: 12px;
    color: #555555;
}
.news_list li .text h4 {
    color: #000000;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    margin-bottom: 0.9rem;
}
.news_list li .text p {
    color: #010101;
    font-size: 12px;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;  /* 显示2行 */
}
.news_list li {
    /*border: 1px solid #B4B4B4;*/
    padding: 1.3rem 1.9rem 1.3rem 1rem;
    position: relative;
}
.news_list li:hover h4 {
    color: var(--primary-color);
}
.news_list li:after {
    content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  border: 1px solid #B4B4B4;
  transform: scale(0.5);
  transform-origin: 0 0;
  pointer-events: none;
  box-sizing: border-box;
}
.news_list li:nth-child(2n) {
    margin: 0.5rem 0;
}
.news_left {
    position: relative;
    max-height: 26.1rem;
}
.news_img ,
.news_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;  
}
.news_text {
    width: 100%;
    position: absolute;
    bottom: 0;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.34);
    padding: 1rem 1.7rem 1.25rem 1.7rem;
}
.news_text span {
    font-size: 0.9rem;
}
.news_text p {
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news_text h4 {
    font-size: 1.3rem;
    margin: 1.1rem 0;
    font-weight: normal;
}
/* 底部 */
.footer_box {
    padding-bottom: 5.2rem;
}
.footer_box .footer_nav {
    justify-content: flex-start;
    gap: 4rem;
    padding-top: 1.95rem;
    padding-bottom: 1.25rem;
}
.footer_box .footer_nav a {
    color: #ffffff;
    font-size: 0.8rem;
}
.footer_box .footer_nav a:hover {
    color: var(--primary-color);
}
@media (max-width: 768px) {
    .footer_box .footer_nav {
        display: none;
    }
    .partner_box {
        min-height: auto;
    }
    .product_left {
        max-width: 100%;
    }
}
.footer_box .mdy_grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.4rem 0;
    border-top: 1px solid rgba(225, 225, 225, 0.1);
    border-bottom: 1px solid rgba(225, 225, 225, 0.1);
}
.footer_info {
    color: #ffffff;
    font-size: 0.7rem;
}
.footer_logo {
    max-width: 3.6rem;
    margin-bottom: 1rem;
}
.qrcode_item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.qrcode_item p {
    font-size: 0.7rem;
    color: #ffffff;
    text-align: center;
    margin-top: 0.8rem;
}
.qrcode_item img {
    max-width: 5rem;
}
/* 设备展示 */
.device_list {
    margin: 0 !important;
}
.device_list .mdy_grid {
    box-shadow: 0px 10px 15px -3px rgba(0,0,0,0.1);
    grid-template-columns: repeat(2, 1fr);
}
.device_list_left {
    display: flex;
    position: relative;
    background: #000000;
    max-width: 27.3rem;
    min-width: 27.3rem;
    max-height: 24.7rem;
    min-height: 24.7rem;
}
.device_list_left video {
    width: 100%;
}
.device_list_left img {
    width: 100%;
    object-fit: cover;
}
.play_video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #fff;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}
.play_video:hover {
    background: rgba(0, 0, 0, 0.8);
}
.device_list_right {
    color: #000;
    font-size: 1rem;
    padding: 1rem 0;
}
.device_list_right_title {
    position: relative;
}
.device_list_right_title span {
    font-size: 1.5rem;
    font-weight: bold;
}
.device_list_right_title .line {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: calc(100% - 3.5rem);
    height: 1px;
    background: #000;
}
.device_list_right_con {
    margin: 2rem 0;
}
.device_list_right_con p {
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 0.2rem;
}
.device_list_right_con .times {

}
@media (max-width: 990px) {
    .about_box  .mdy_flex {
        flex-wrap: wrap;
    }
    .device_list .mdy_grid {
        grid-template-columns: repeat(1, 1fr);
        margin-bottom: 30px;
    }
    .product_con {
        flex-wrap: wrap;
    }
    .case_box .mdy_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .partner_list_box .mdy_grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .news_box .mdy_grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .footer_box .mdy_grid {
        grid-template-columns: repeat(1, 1fr);
    }
    .device_list_left {
      
        max-width: 100%;
        min-width: 100%;
        max-height: 24.7rem;
        min-height: 24.7rem;
    }
    .footer_info, .copyright, .copyright a {
        font-size: 14px !important;
    }
}