@charset "utf-8";

* {
    box-sizing: border-box;
}

body , div , dl , dt , dd , ul , ol , li , h1 , h2 , h3 , h4 , h5 , h6 , pre , form , fieldset , input , textarea , p , blockquote , th , td {
    margin: 0;
    padding: 0;
}

body {
    overflow-x: hidden;
    font-size: 16px;
    /*background-color: #f8f8f8;*/
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.w1600 {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.w1400 {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.row-flex {
    display: flex;
}

.column-flex {
    display: flex;
    flex-direction: column;
}

.flex-space-between {
    justify-content: space-between;
}

.flex-algin-center {
    align-items: center;
}

.header {
    min-height: 110px;
    display: flex;
    align-items: center;
    background-color: #FFF;
}

.logo-wrapper img {
    width: 250px;
}

.header .content-wrapper {
    display: flex;
}

.header .nav-wrapper {
    justify-self: end;
}

.header .nav {
    display: flex;
    font-size: 18px;
}

.header .nav > .item {
    position: relative;
    white-space: nowrap;
}

.header .nav > .item > a {
    position: relative;
    padding: 10px 16px;
    font-weight: bold;
    transition: all .3s;
}

.header .nav > .item:hover > a {
    color: #0287cf;
    transition: all .3s;
}

.header .nav > .item:hover > a:before {
    content: url('../images/semicircle.png');
    position: absolute;
    left: 50%;
    bottom: -5px;
    transform: translateX(-50%);
    transition: all .3s;
    z-index: 9999;
}

.header .second-nav {
    display: none;
    position: absolute;
    top: 33px;
    left: 50%;
    z-index: 9998;
    transform: translateX(-50%);
    white-space: nowrap;
    list-style: disc;
    padding: 50px 40px 30px 40px;
    background-color: rgba(255, 255, 255, .78);
}

.header .nav > .item:hover .second-nav {
    display: block;
}

.header .second-nav li {
    list-style: disc;
}

.header .second-nav > .item > a {
    display: block;
    padding: 10px 0;
    font-weight: bold;
    transition: all .3s;
}

.header .second-nav > .item:hover::marker {
    color: #0287cf;
}

.header .second-nav > .item:hover a {
    color: #0287cf;
    transition: all .3s;
}

.header .search-wrapper {
    display: flex;
    font-size: 18px;
    border-left: 2px solid #c2c2c2;
    margin-left: 20px;
}

.header .search-wrapper .item {
    display: flex;
    align-items: center;
    margin-left: 20px;
    white-space: nowrap;
    cursor: pointer;
}

.header .search-wrapper .item:first-child {
    margin-left: 30px;
}

.header .search-wrapper .item img {
    width: 22px;
}

.header .search-wrapper .item .phone {
    padding-left: 5px;
    font-size: 22px;
}

.header .search-box {
    display: none;
    line-height: normal;
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    width: 100%;
    height: 100%;
    z-index: 99999;
}

.header .search-box form {
    position: absolute;
    top: 45%;
    left: 50%;
    width: 60%;
    margin-left: -30%;
}

.header .search-box form input {
    background: none;
    outline: none;
    border: none;
}

.header .search-box form input[type="text"] {
    width: 100%;
    border-bottom: 1px solid #e1e1e1;
    font-size: 26px;
    color: #000;
    padding: 10px 0;
}

.header .search-box form input[type="submit"] {
    width: 24px;
    height: 24px;
    background: url(../images/icon_03_1.png) no-repeat;
    position: absolute;
    right: 15px;
    top: 18px;
}

.header .search-box .close {
    width: 30px;
    height: 30px;
    background: url(../images/close.png) no-repeat;
    position: absolute;
    right: 25px;
    top: 15px;
    cursor: pointer;
}

.banner {
    position: relative;
}

.banner img {
    width: 100%;
}

.banner .swiper-pagination {
    text-align: left;
    bottom: 40px;
    padding-left: 40px;
}

.banner .swiper-pagination .swiper-pagination-bullet {
    width: 25px;
    height: 25px;
    opacity: 1;
    position: relative;
    border: 2px solid #FFF;
    border-radius: 50%;
    background-color: transparent;
}

.banner .swiper-pagination .swiper-pagination-bullet::before {
    content: '';
    width: 5px;
    height: 5px;
    background-color: #FFF;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.banner .swiper-pagination .swiper-pagination-bullet-active {
    border-color: #0287cf;
}

.banner .mouse {
    position: absolute;
    z-index: 99;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.banner .mouse img {
    position: relative;
    animation: mouseShake 2s infinite;
}

@keyframes mouseShake {
    0%, 100% {
        top: 0; /* 起始和结束位置 */
    }
    50% {
        top: 10px; /* 中间位置，这里是上下移动的距离 */
    }
}

.head-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.head-wrapper .first-title {
    font-size: 48px;
    font-weight: bold;
}

.head-wrapper .first-title .spe {
    color: #0287cf;
}

.head-wrapper .sub-title {
    font-size: 24px;
}

.head-wrapper .sub-title .spe {
    font-weight: bold;
    font-size: 30px;
}

.btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 140px;
    padding: 8px 8px 8px 20px;
    border-radius: 25px;
    color: #FFF;
    background-color: #0287cf;
    transition: all .5s;
}

.btn img {
    width: 34px;
}

.btn:hover {
    width: 180px;
    transition: all .3s;
}

.product {
    padding: 50px 0;
}

.product .first-line {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.product .item {
    position: relative;
}

.product .item .background {
    /*min-height: 300px;*/
}

.product .item .background img {
    width: 100%;
}

.product .item .text-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 30px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.product .item .title {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 25px;
}

.product .item .description {
    font-size: 18px;
}

.product .second-line {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px
}

.product .second-line .item .title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
}

.product .second-line .item .text-wrapper {
    padding: 20px;
}

.product .second-line .item .description {
    font-size: 16px;
}

.about {
    background-image: url('../images/about-bg.jpg');
    background-size: 100% 100%;
}

.about .video-wrapper {
    width: 50%;
    position: relative;
}

.about .video-wrapper .middle {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translate(-50% , -50%);
    text-align: center;
    cursor: pointer;
}

.about .video-wrapper .middle .img-box {
    width: 100%;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about .video-wrapper .middle img {
    width: 100px;
    transition: transform 1s;
    transform-style: preserve-3d;
}

.about .video-wrapper .middle:hover img {
    transform: rotateY(360deg);
}

.about .video-wrapper .middle .first-title {
    font-size: 48px;
    font-weight: bold;
    color: #FFF;
}

.about .video-wrapper .middle .sub-title {
    font-size: 30px;
    color: rgba(255, 255, 255, .5);
}

.about .content-wrapper {
    width: 50%;
    padding: 100px 0 50px 50px;
}

.about .head-wrapper .sub-title {
    display: flex;
    align-items: center;
}

.about .underline {
    display: block;
    width: 90px;
    height: 1px;
    background-color: #0287cf;
    margin-left: 5px;
}

.about .name {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 10px;
}

.about .introduction {
    font-size: 18px;
    line-height: 36px;
    margin-bottom: 30px;
}

.about .advantage-list {
    padding-left: 24px;
    margin-bottom: 50px;
}

.about .advantage-list li {
    list-style: disc;
}

.about .advantage-list li::marker {
    color: #0f4eb8;
}

.about .advantage-list .item {
    font-size: 18px;
    line-height: 36px;
}

.about .advantage-list .item .spe {
    font-size: 22px;
    font-weight: bold;
    margin-right: 10px;
}

.about .data-wrapper {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
}

.about .data-wrapper .num {
    font-size: 60px;
    font-weight: bold;
    background: linear-gradient(to bottom right, #4285ec, #0bbafb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about .data-wrapper .unit {
    font-size: 24px;
}

.about .data-wrapper .label {
    font-size: 18px;
}

.news {
    padding: 50px 0;
    background-image: url('../images/news-bg.png');
    background-size: 100% 100%;
}

.news .article-list {
    display: flex;
}

.news .article-list .item {
    width: 26%;
    overflow: hidden;
    border-radius: 10px;
    position: relative;
    background-color: #FFF;
    box-shadow: 0px 0px 12px rgba(0, 0, 0, .12);
    margin-right: 20px;
    transition: all .3s;
}

.news .article-list .item:last-child {
    margin-right: 0;
}

.news .article-list .item .background {
    display: none;
    width: 100%;
    height: 100%;
}

.news .article-list .item .background img {
    width: 100%;
    height: 100%;
}

.news .article-list .item:hover .background img {
    width: 100%;
}

.news .article-list .item .text-wrapper {
    width: 100%;
    padding: 30px 20px 0 20px;
    display: flex;
    flex-direction: column;
}

.news .article-list .item .date-wrapper {
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
    padding: 10px;
    align-self: start;
    margin-bottom: 20px;
}

.news .article-list .item .date-wrapper .day {
    font-size: 36px;
    font-weight: 900;
    color: #0287cf;
}

.news .article-list .item .title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis;
}

.news .article-list .item .description {
    font-size: 16px;
    line-height: 26px;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden; 
    text-overflow: ellipsis;
}

.news .article-list .item .btn {
    display: none;
    width: 160px;
    justify-content: center;
    padding: 15px 20px;
}

.news .article-list .item .img-wrapper {
    overflow: hidden;
    margin: 0 20px;
    border-radius: 10px;
}

.news .article-list .item .img-wrapper img {
    width: 100%;
    height: 160px;
}

.news .article-list .item .more-btn {
    padding: 30px 20px;
    display: flex;
    justify-content: space-between;
}

.news .article-list .item .more-btn:hover {
    color: #0287cf;
}

.news .article-list .item.active {
    width: 48%;
    color: #FFF;
}

.news .article-list .item.active .background {
    display: block;
}

.news .article-list .item.active .text-wrapper {
    width: 100%;
    height: 100%;
    padding: 30px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    background-color: rgba(16, 79, 123, .68);
    justify-content: space-between;
}

.news .article-list .item.active .text-wrapper .date-wrapper {
    align-self: end;
    border-radius: 10px;
    border: 1px solid #FFF;
}

.news .article-list .item.active .date-wrapper .day {
    text-align: center;
    color: #FFF;
}

.news .article-list .item.active .btn {
    display: flex
}

.news .article-list .item.active .img-wrapper {
    display: none;
}

.news .article-list .item.active .more-btn {
    display: none;
}

.service img {
    width: 100%;
}

.footer {
    padding: 60px 0;
}

.footer .logo-box {
    margin-bottom: 20px;
}

.footer .logo-box img {
    width: 250px;
}


.footer .hotline {
    margin-bottom: 20px;
}

.footer .hotline .label {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}

.footer .nav {
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    white-space: nowrap;
}

.footer .nav .item {
    padding: 0 20px;
}

.footer .nav .first-label {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
}

.footer .nav .second-label {
    font-size: 18px;
}

.footer .nav .second-label a {
    line-height: 44px;
}

.footer .nav .second-label a:hover {
    color: #0287cf;
    font-weight: bold;
}

.footer .footer-right .label {
    font-size: 24px;
    font-weight: bold;
    white-space: nowrap;
    margin-bottom: 30px;
}

.footer .footer-right .list {
    display: grid;
    grid-template-columns: 120px 120px;
    gap: 20px;
}

.footer .footer-right .list .item {
    width: 120px;
    height: 120px;
    background-color: #333;
}

.bottom {
    height: 77px;
    color: #FFF;
    background-color: #0276bc;
}

@-webkit-keyframes fadeIn {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(0, 60px, 0);
    transform: translate3d(0, 60px, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(0, 60px, 0);
    transform: translate3d(0, 60px, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}