@font-face {
    font-family: 'regular'; /* 自定义字体的名称 */
    src: url('../font/Regular_zitidi.com.ttf') format('truetype');
    font-weight: normal; /* 字体粗细 */
    font-style: normal; /* 字体样式 */
}
@font-face {
    font-family: 'Semibold'; /* 自定义字体的名称 */
    src: url('../font/Semibold_zitidi.com.ttf') format('truetype');
    font-weight: normal; /* 字体粗细 */
    font-style: normal; /* 字体样式 */
}
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: auto;
    color: black;
    font-family: 'regular'!important;
}
/* 默认根元素字体大小 */
:root {
    font-size: 16px; /* 默认字体大小 */
}

/* 根据屏幕宽度动态调整根元素字体大小 */
@media (min-width: 768px) {
    :root {
        font-size: 10px; /* 中等屏幕 */
    }
}

@media (min-width: 1000px) {
    :root {
        font-size: 14px; /* 大屏幕 */
    }

}

@media (min-width: 1900px) {
    :root {
        font-size: 16px; /* 超大屏幕 */
    }
}

@media (min-width: 2500px) {
    :root {
        font-size: 24px; /* 超大屏幕 */
    }
}

.banner {
    background-size: cover; /* 背景图片覆盖整个区域 */

}

.container {
    max-width: none;
}

.supermap {
    padding: 5rem 0;
}

.supermap h2 {
    font-weight: bold;
    font-size: 3.1rem;
    font-family: 'Semibold';
}

.supermap li {
    font-size: 1.25rem;
    margin: 10px 0;
}


.sub_title {
    font-size: 2.5rem;
    color: white;
    font-weight: bold;
    font-family: 'Semibold';
}

.line {
    border-bottom: 4px solid #d7000f;
    display: block;
    line-height: 50px;
    height: 4px;
    background-color: #d7000f;
    width: 15%;
    margin-top: 30px;
}

.products {
    margin-left: -17px;
    margin-right: -17px;
    margin-bottom: 1rem;
}

.product-cont .view-all {
    color: white;
}

.products .product {
    background: transparent;
    border: none;
    padding: 0;
}

.products li {
    padding-left: 8px;
    padding-right: 8px;
}

.products .product img {
    width: 100%;
    max-width: 100% !important;
}

.products .product:hover p {
    bottom: 30px;
}

.products .product p {
    position: absolute;
    left: 20px;
    bottom: 20px;
    color: #fff;
    font-size: 1.25rem;
    transition-duration: .2s;
}

.products .product em {
    position: absolute;
    left: 20px;
    bottom: 25px;
    width: 2.5rem;
    height: 3px;
    background: red;
    transition-duration: .2s;
    opacity: 0;
}

.products .product:hover img {
    transform: scale(1);
}

.products .product:hover em {
    display: block;
    opacity: 1;
}

.tec-item {
    position: relative;
    overflow: hidden;
    height: 22rem;
    cursor: pointer;
}

.technology {
    margin-bottom: 1rem;
}

.technology .tec-item1 {
    background: url(../images/2025/Technology-1.jpg) center no-repeat;
    background-size: cover;
}

.technology .tec-item2 {
    background: url(../images/2025/Technology-2.jpg) center no-repeat;
    background-size: cover;
}

.technology .tec-item3 {
    background: url(../images/2025/Technology-3.jpg) center no-repeat;
    background-size: cover;
}
.technology .tec-item4 {
    background: url(../images/2025/Technology-4.jpg) center no-repeat;
    background-size: cover;
}
.tec-item .tec-tit2 {
    display: none;
}

.tec-item .tec-tit, .tec-item .tec-tit2 {
    font-size: 1.25rem;
    color: #ffffff;
    position: absolute;
    bottom: 1.25rem;
    left: 1.25rem;
    transition: all .3s ease-out;
    opacity: 1;
}

.tec-item .tec-tit2 {
    top:50%;
}

.tec-item p {
    display: none;
    opacity: 1;
    position: absolute;
    /* bottom: -90px; */
    bottom: 2.2rem;
    left: 1.25rem;
    font-size: 1rem;
    width: 48rem;
    color: #ffffff;

}

.view-all {
    float: right;
    font-size: 1rem;
}

.view-all:hover {
    color: #d7000f;
}

.tec-item-2 {
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    transition: opacity 0.2s;
    overflow: hidden;
    visibility: hidden;
    border-bottom: 0.75rem solid #d7000f;
    background-color: rgb(0 0 0 / 0.3);
}

.technology .active .tec-tit {
    display: none;
}

.technology .active .tec-tit2 {
    display: block;
}

.technology .active .tec-item-2 {
    visibility: visible;
    opacity: 1;
}

.technology .active p {
    display: inline-block;
    transition-duration: .2s;
}

.technology .col-12 {
    transition: all .3s ease-out;
    padding-left: 5px;
    padding-right: 5px;
}

.solutions-item {
    height: 20rem;
    margin: 15px 0;
}

.solutions-item img {
    width: 100%;
}

.solutions-item .text {
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 30px 50px;
    -webkit-transition: .2s;
    transition: .2s;
}

.solutions-item a:hover .text p {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
}

.solutions-item p {
    color: #ffffff;
    -webkit-transition: .4s;
    transition: .4s;
    font-size: 24px;
}

.view-all {
    border-bottom: 2px solid;
}

.solutions .targetlink {
    margin-left: 20px;
}

.transformimg:hover img {
    transform: scale(1.05);
}

.transformimg img {
    transition: transform 1s cubic-bezier(.23, 1, .32, 1);
}

.speakers-list.swiper-slide-active {
    transform: scale(1.5);
    z-index: 999;
    box-shadow: 5px 5px 15px #000;
}

.speakers-list {
    transition: 1s;
    margin-bottom: 15px;
    padding-left: 8px;
    padding-right: 8px;
}

.solution-case .picImg1 {
    position: relative;
    display: block;
    color: #fff;
    overflow: hidden;
}

.solution-case.picImg1:before {
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    transition: opacity 5s cubic-bezier(.23, 1, .32, 1), height 5s cubic-bezier(.23, 1, .32, 1);
    opacity: 0;
    background: linear-gradient(rgba(0, 0, 0, .2), rgba(0, 0, 0, .7));
}

.solution-case.picImg1:hover:before {
    opacity: 1;
}

.solution-case .picImg1:hover img {
    transform: scale(1);
}

.solution-case .pic:after {
    position: relative;
    overflow: hidden;
}

.solution-case.pic img {
    position: absolute;
    display: block;
    width: 100%;
}

.solution-case .picImg1 img {
    transition: transform 12s cubic-bezier(.23, 1, .32, 1);
    transform: scale(1);

    object-fit: cover;
    height: 100%;
    width: 100%;
}

.solution-case .pic:after {
    display: block;
    width: 100%;
    content: "";
}

.solution-case .pic:after {
    padding-top: 60%;
}

.solution-case .picImg1 .text {
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    height: 100%;
}

.solution-case .picImg1 .text p {
    font-size: 1.25rem;
    line-height: 1.25;
    position: relative;
    z-index: 2;
    overflow: hidden;
    height: 3.75rem;
    margin: 0;
    -webkit-transition: .4s;
    transition: .4s;
}

.solution-case .picImg1 .text2 p {
    font-size: 1.25rem;
}

.solution-case .picImg1 {
    height: 20rem;
}

.solution-case .picImg1 .pic {
    height: 100%;
}

.solution-case .picImg1 .text span {

    color: #fff;
    font-size: 1rem;
    z-index: 9;
    position: relative;
    display: block;
    height: 3rem;
    -webkit-transition: .4s;
    transition: .4s;
}

.solution-case .picImg1:hover .text p {
    -webkit-transform: translateY(-6rem);
    transform: translateY(-6rem);
}

.solution-case .picImg1:hover .text span {
    -webkit-transform: translateY(-7rem);
    transform: translateY(-7rem);
}

.solution-case .picImg1:hover .text.text2:after {
    bottom: 15rem;
    background-color: rgb(0 0 0 / 0.3);
}

.AppCase .picImg1 .text:after {
    position: absolute;
    bottom: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    content: "";
    /*
    background: linear-gradient(180deg, hsla(0, 0%, 100%, 0) 0, #000 100%, #000 0);
    */
    background-size: cover;
}

.solution-case .picImg1:after {
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    content: "";
}

.index_news {
    margin-bottom: 30px;
    background: #EDF0F1;
    padding-top: 5rem;
}

.index_news .imgbox2 {
    height: 13.75rem;
}

.index_news .imgbox2 img {
    width: 100%;
    object-fit: cover;
    height: 100%;
}

.index_news .type {
    top: -2.5rem;
    position: absolute;
    max-width: 90%;
    z-index: 8;
    color: #000000;
    font-size: 1.25rem;
    left: 8px;
    font-weight: bold;
}

.news-item {
    padding-right: 8px;
    padding-left: 8px;
}

.index_news .textbox {
    background: #ffffff;
    text-align: left;
    padding: 1.25rem 1rem;
    height: 15.75rem;
    overflow: hidden;
}

.index_news .textbox2 {
    height: 29.5rem;
}

.index_news .news-item li {

    border-bottom: 2px #c3c3c3 dashed;
    display: block;
    height: 7.2rem;
}

.index_news .news-item li:last-child {
    border-bottom: none;
}

.text-overflow-line-2 {
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.text-overflow-line-4 {
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.index_news .textbox .title {
    font-size: 1.125rem;
    line-height: 1.6;
    color: black;
    font-weight: bold;
}

.index_news .textbox .title:hover {
    color: #d7000f
}

.index_news .textbox .text {
    color: #000000;
    font-size: 1rem;
}

.index_news .more:hover {
    color: #d7000f
}

footer {
    background: #ffffff;
}

@media (max-width: 382.5rem) {

}

@media (max-width: 1920px) {

}

@media (max-width: 1280px) {

}

@media (min-width: 768px) {
    a:hover + .targetlink, a:hover .targetlink {
        display: inline-block;
    }

    .solution-case .picImg1 .text.text2 {
        bottom: -15rem;
    }

    .solution-case .picImg1 .text.text2:after {
        bottom: 5rem;
    }
}


@media (max-width: 767px) {
    :root {
        font-size: 10px; /* 超大屏幕 */
    }

    .targetlink {
        display: none;
    }

    .pcheight,
    .pcheight2 {
        height: auto !important;
    }

    .AppCase div.col-xs-12 .picImg1 {
        height: 200px;
    }

    .solutionIndexList1 li {
        width: 100% !important;
    }

    .flex_box .margin-60 {
        margin-top: 30px;
        margin-bottom: 30px;
    }

    .speakers-list.swiper-slide-active {
        transform: scale(1);
        z-index: 999;
        box-shadow: 0px 0px 0px #fff;
    }
    .speakers-list{
        padding: 0;
    }
    .solution-case .picImg1:hover .text p{
        -webkit-transform: translateY(0rem);
        transform: translateY(0rem);
    }
    .solution-case .picImg1:hover .text span {
        -webkit-transform: translateY(0rem);
        transform: translateY(0rem);
    }
    .solution-case .picImg1:hover .text.text2:after {
        bottom: 0rem;
        background-color:transparent;
    }
    .products {
        margin-left: -15px;
        margin-right: -15px;
    }

    .products li {
        padding: 0;
        margin-bottom: 1.5rem;
    }

    .technology .col-12 {
        padding: 0;
        margin-bottom: 1.5rem;
    }

    .technology p {
        overflow: hidden;
        text-overflow: ellipsis;
        -o-text-overflow: ellipsis;
        display: -webkit-box!important;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        width: 35rem;
    }

    .technology .tec-tit {
        display: none;
    }

    .technology .tec-tit2 {
        display: block;
    }

    .tec-item-2 {
        visibility: inherit;
    }

    .solution-case .picImg1 img {
        height: 100% !important;
    }
    .news-item {
        padding: 0;
        margin-bottom: 5rem;
    }
    .index_news{
        padding: 50px 0 0 ;
    }
    .index_news .imgbox2 img{
        height: 100% !important;
    }
}