/* v1.0.0 */
body {
    margin: auto;
    padding: 0;
    font-family: 'Microsoft YaHei', Arial, serif;
    background: #fff;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    overflow-x: hidden;
    width: 100%;
}

* {
    outline: none;
}

div,
ul,
li,
dl,
dd,
span,
h1,
h2,
p,
h4,
h3 {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

.swiper {
    overflow: hidden;
}

.clear {
    clear: both;
}

.ellipsis {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow: ellipsis;
}

.molEllipsis {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow: ellipsis;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0px auto;
    box-sizing: border-box;
}

.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: ' ';
    clear: both;
    height: 0;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex {
    display: flex;
}

.flex-center-y {
    display: flex;
    align-items: center;
}

.research-direction-box {
    max-width: 80%;
}

/* 头部 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    left: 0px;
    top: 0px;
    transition: all 0.6s;
    -webkit-transition: all 0.6s;
    z-index: 1000;
}

.header .container {
    position: relative;
    height: 100px;
}

.header .logo {
    width: 320px;
}

.header .logo img {
    width: 100%;
    height: auto;
}

.header .logo .pic1 {
    display: none;
}

.header .logo .pic2 {
    display: block;
}

.header .menu {
    margin-right: 50px;
}

.header .menu ul {
    display: flex;
}

.header .menu ul li {
    flex: 1;
    text-align: center;
    position: relative;
}

.header .menu ul li a {
    color: #333;
    font-size: 16px;
    display: inline-block;
    padding: 0px 20px;
    white-space: nowrap;
    line-height: 45px;
    text-decoration: none;
}

.header .menu ul li .sumbit {
    width: 150px;
    position: absolute;
    background: #fff;
    box-shadow: 0px 7px 15px rgba(0, 0, 0, 0.16);
    top: 100%;
    border-radius: 6px;
    left: 50%;
    margin-left: -75px;
    transform-origin: 50% 0;
    transform: scaleY(0) translateZ(0);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
}

.header .menu ul li .sumbit:before {
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 7px solid #fff;
    position: absolute;
    top: -7px;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    content: '';
}

.header .menu ul li .sumbit a {
    display: block;
    color: #333;
    font-size: 14px;
    padding: 0px 5px;
}

.header .menu ul li .sumbit a:hover {
    background: linear-gradient(90deg, #01428f, #2986bf);
    color: #fff;
}

.header .menu ul li .sumbit a:nth-child(1) {
    border-radius: 6px 6px 0px 0px;
}

.header .menu ul li .sumbit a:last-child {
    border-radius: 0px 0px 6px 6px;
}

.header .menu ul li:active a {
    color: #d41833;
}

.header .menu ul li:hover .sumbit {
    display: block;
    transform: scaleY(1) translateZ(0);
    opacity: 1;
}

.header .right {
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
}

.header .right:before {
    width: 1px;
    height: 18px;
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    background: #999;
    content: '';
}

.header .right a.search {
    width: 17px;
    height: 18px;
    margin-left: 24px;
    color: #000;
    font-size: 20px;
    line-height: 1;
}

.header .menubtn {
    justify-content: center;
    align-items: center;
    width: 26px;
    height: 40px;
    right: 0px;
    z-index: 100;
    margin-left: 15px;
    margin-right: 20px;
    display: none;
    position: relative;
}

.header .menubtn .navbar-icons {
    height: 20px;
    width: 100%;
    position: relative;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    transition: 0.5s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.header .menubtn .navbar-icons span {
    display: block;
    height: 2px;
    width: 100%;
    opacity: 1;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    transition: 0.25s ease-in-out;
    top: 0;
    -webkit-transform-origin: left center;
    transform-origin: left center;
    background-color: #222;
    position: relative;
    border-radius: 5px;
}

.header .menubtn .navbar-icons span:first-child {
    -webkit-transform-origin: left center;
    transform-origin: left center;
}

.header .menubtn .navbar-icons span:nth-child(2) {
    -webkit-transform-origin: left center;
    transform-origin: left center;
    width: 70%;
}

.header .menubtn .navbar-icons span:nth-child(3) {
    -webkit-transform-origin: left center;
    transform-origin: left center;
}

.header .menubtn.open .navbar-icons span:first-child {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 1px;
}

.header .menubtn.open .navbar-icons span:nth-child(2) {
    opacity: 0;
}

.header .menubtn.open .navbar-icons span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    top: 1px;
}

.header.active {
    background-color: #fff;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
}

.header.active .menu ul li a {
    color: #333;
}

.header.active .logo .pic1 {
    display: none;
}

.header.active .logo .pic2 {
    display: block;
}

.header.active .right:before {
    background: #999;
}

.header.active .right a.search {
    color: #000;
}

.head-box {
    height: 100px;
    width: 100%;
}

.menu-mc {
    position: fixed;
    overflow: hidden;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 500;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    transform: translateY(-100%);
    -webkit-transform: translateY(-100%);
    padding-top: 95px;
    flex-direction: column;
    display: none;
    background: #0c397a;
}

.menu-mc.active {
    transform: translateY(0);
    -webkit-transform: translateY(0);
}

.menu-mc .list {
    flex: 1;
    overflow: auto;
}

.menu-mc .list ul {
    padding: 0 24px;
}

.menu-mc .list ul li {
    line-height: 60px;
}

.menu-mc .list ul li .title {
    border-bottom: 1px solid rgba(140, 140, 140, 0.19);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    color: #fff;
}

.menu-mc .list ul li .title .iconfont {
    margin-right: 10px;
    font-size: 14px;
}

.menu-mc .list ul li a {
    display: block;
    font-size: 14px;
    color: #fff;
}

.menu-mc .list ul li .submenu {
    display: none;
}

.menu-mc .list ul li .submenu a {
    padding-left: 20px;
    line-height: 45px;
}

.menu-mc .list ul li .submenu a:hover {
    background: #124792;
    font-weight: 600;
}

.banner .swiper-pagination-bullet-active {
    font-size: 22px !important;
}

.banner .swiper-pagination-bullet-active:after {
    width: 60px;
}

.banner .swiper-container-horizontal > .swiper-pagination-bullets {
    bottom: 45px;
    width: auto;
    right: 80px;
    left: auto;
}

.banner .swiper-container {
    height: 100%;
}

.banner {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.banner ul li:before {
    position: absolute;
    top: 0;
    content: '';
    width: 100%;
    background: radial-gradient(circle, rgba(47, 47, 47, 0) 0, rgba(47, 47, 47, 0.725) 100%);
    height: 100%;
    z-index: 2;
}

.banner:after {
    position: absolute;
    top: 0;
    content: '';
    width: 100%;
    background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent);
    height: 150px;
    z-index: 30;
}

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

.banner ul li {
    position: relative;
}

.banner ul li .content {
    width: 90%;
    max-width: 1200px;
    left: 50%;
    top: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    font-size: 60px;
    font-weight: 600;
    text-shadow: 0px 0px white, 0px 1px #333;
    letter-spacing: 4px;
    z-index: 10;
}

.part_1 {
    background: #f7f8fc;
}

.dance {
    padding-top: 89px;
    padding-bottom: 100px;
}

.index_bt {
    text-align: center;
    margin-bottom: 45px;
}

.index_bt .title {
    font-size: 34px;
    color: #222;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 7px;
}

.index_bt .desc {
    color: #666;
    font-size: 15px;
}

.index_tearn {
    position: relative;
}

.index_tearn ul li {
    float: left;
    width: 23.5%;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    margin-right: 2%;
}

.index_tearn ul li:last-child {
    margin-right: 0%;
}

.index_tearn ul li a {
    display: block;
}

.index_tearn ul li .photo {
    width: 100%;
    position: relative;
    padding-top: 120%;
}

.index_tearn ul li .photo img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    object-fit: cover;
    object-position: center center;
    transition: all 0.9s;
    -webkit-transition: all 0.9s;
}

.index_tearn ul li:hover .photo img {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.index_tearn ul li .xfk {
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    padding: 28px 25px;
    color: #fff;
    border-radius: 0px 0px 0 0;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    background-color: rgba(26, 118, 209, 0.5);
}

.index_tearn ul li .xfk .title {
    font-size: 20px;
    margin-bottom: 5px;
}

.index_tearn ul li .xfk .lab {
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow: ellipsis;
}

.index_tearn ul li .xfk .desc {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow: ellipsis;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    margin-top: 10px;
}

.index_tearn ul li:hover .xfk {
    background-color: rgba(26, 118, 209, 0.8);
}

.index_tearn .button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    cursor: pointer;
    color: #222222;
    font-size: 44px;
    line-height: 1;
    z-index: 100;
}

.index_tearn .button.pre {
    left: -51px;
    transform: rotate(180deg);
}

.index_tearn .button.next {
    right: -51px;
}

.index_tearn .button:hover {
    color: #004ea2;
}

.index_tearn .xfk_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    bottom: -47px;
}

.index_tearn .xfk_btn span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #abadb0;
    margin: 0px 7px;
    opacity: 1;
    cursor: pointer;
}

.index_tearn .xfk_btn span.swiper-pagination-bullet-active {
    background: #fff;
    border: 2px #1a76d1 solid;
}

footer {
    background: #1a1a1a;
    color: #fff;
}

footer .container {
    padding-top: 40px;
    padding-bottom: 20px;
}

footer .f_one {
    border-bottom: 1px rgba(255, 255, 255, 0.15) solid;
    padding-top: 25px;
    padding-bottom: 40px;
    margin-bottom: 65px;
}

footer .f_one .db_logo img {
    height: 40px;
    width: auto;
}

footer .f_one .t_right ul li {
    display: flex;
    align-items: center;
    font-size: 13px;
    margin-left: 55px;
    position: relative;
}

footer .f_one .t_right ul li .cont {
    flex: 1;
}

footer .f_one .t_right ul li .cont .tit {
    font-size: 13px;
}

footer .f_one .t_right ul li .cont .desc {
    font-size: 15px;
    margin-top: 5px;
}

footer .f_one .t_right ul li .iconfont {
    width: 47px;
    height: 47px;
    border: 1px #3c3c3c solid;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #767676;
    font-size: 25px;
    margin-right: 19px;
}

footer .f_two {
    padding-bottom: 40px;
    flex-wrap: wrap;
}

footer .f_two ul {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

footer .f_two ul li {
    margin-right: 66px;
    line-height: 2.5;
}

footer .f_two ul li .tit {
    display: block;
    font-size: 16px;
    color: #fff;
    margin-bottom: 8px;
}

footer .f_two ul li .sumbit a {
    display: block;
    color: #999;
    font-size: 13px;
}

footer .f_two ul li .sumbit a:hover {
    color: #fff;
}

footer .copyright {
    font-size: 13px;
    border-top: 1px rgba(255, 255, 255, 0.15) solid;
    padding: 35px 0px 15px;
    flex-wrap: wrap;
}

footer .copyright a {
    color: #999;
}

footer .copyright a:hover {
    color: #fff;
}

.scene {
    overflow: hidden;
}

.scene-pc:has(.scene-content:hover) {
    background-color: rgba(0, 0, 0, 0.9);
}

.scene-content {
    width: 110%;
    display: flex;
    overflow: hidden;
    height: 535px;
}

.scene-content .scene-item {
    position: relative;
    flex: 1 1 1px;
    transition: all 1s;
    will-change: auto;
}

.scene-content .scene-item .scene-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    transform: skew(-10.15deg);
    transform-origin: left top;
    overflow: hidden;
    border: 1px solid transparent;
    margin-left: -1px;
}

.scene-content .scene-item .scene-wrapper-bg {
    position: absolute;
    top: 0;
    left: 50%;
    height: 100%;
    width: 1000px;
    margin-left: -64px;
    overflow: hidden;
    transform: translate(-50%, 0) skew(10.15deg);
    transform-origin: left top;
}

.scene-content .scene-item .scene-wrapper-bg img {
    width: 100%;
    height: 100%;
    transition: transform 0.5s;
    object-fit: cover;
    object-position: center center;
}

.scene-content .scene-item .item-thumb {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(360deg, #0a2349 0, rgba(10, 35, 73, 0) 100%);
    transition: opacity 0.5s;
}

.scene-content .scene-item .item-thumb-action {
    display: flex;
    justify-content: center;
}

.scene-content .scene-item .item-thumb-action .item-thumb-action-center {
    width: 62px;
    height: 44px;
    background-image: url(../img/rect.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}

.scene-content .scene-item .item-thumb-action .item-thumb-action-center img {
    width: 20.66px;
    height: 20.66px;
}

.scene-content .scene-item .item-thumb-action .item-thumb-action-left,
.scene-content .scene-item .item-thumb-action .item-thumb-action-right {
    position: relative;
    width: 16px;
    height: 44px;
    background-image: url(../img/rect-small.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

.scene-content .scene-item .item-thumb-action .item-thumb-action-left {
    left: 2px;
}

.scene-content .scene-item .item-thumb-action .item-thumb-action-right {
    left: -2px;
}

.scene-content .scene-item .item-detail .item-thumb-action {
    justify-content: center;
}

.scene-content .scene-item .item-detail {
    opacity: 1;
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.6s;
}

.scene-content .scene-item .item-detail .item-detail-header .item-detail-arrow {
    width: 22px;
    height: 17px;
    overflow: hidden;
}

.scene-content .scene-item .item-detail .item-detail-header {
    position: absolute;
    left: 0;
    width: 100%;
    bottom: 200px;
}

.scene-content .scene-item .item-detail .item-detail-header .item-detail-title {
    margin-bottom: 4px;
    color: #fff;
    font-size: 20px;
    font-weight: 400;
    text-align: center;
}

.scene-content .scene-item:first-child .item-detail .item-detail-header .item-detail-title {
    padding-left: 60px;
}

.scene-content .scene-item:last-child .item-detail .item-detail-header .item-detail-title {
    margin-left: -40px;
}

.scene-content .scene-item:nth-child(2) .scene-wrapper {
    overflow: initial;
    z-index: 0;
}

.scene-content .scene-item:hover {
    flex: 1 0 244px;
}

.scene-content .scene-item:hover .scene-item .item-thumb {
    opacity: 0;
    z-index: 1;
}

.scene-content .scene-item .scene-wrapper .scene-modal {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: 0;
    z-index: 100;
    transition: all 0.6s;
    margin: 0 -1px;
}

.scene-content:hover .scene-item .scene-wrapper .scene-modal {
    opacity: 0.8;
}

.scene-content:hover .scene-item .scene-wrapper .scene-wrapper-bg > img {
    transform: translate(0, 0);
}

.scene-content .scene-item:hover .scene-wrapper .scene-modal {
    opacity: 0;
    visibility: hidden;
}

.scene-mc {
    display: none;
}

.scene-mc .scene-content {
    width: 100%;
}

.page-title {
    padding-top: 40px;
}

.page-title .title {
    text-align: center;
    font-size: 45px;
    font-weight: 600;
    letter-spacing: 4px;
    text-shadow: 0px 0px white, 0px 1px #333;
}

.nybanner,
.nybanner1 {
    text-align: center;
    position: relative;
    color: #0c397a;
}

.nybanner img,
.nybanner1 img {
    max-width: 100%;
    height: auto;
    min-height: 240px;
    object-fit: cover;
    object-position: top center;
}

.nybanner .content,
.nybanner1 .content {
    position: absolute;
    left: 50%;
    bottom: 30%;
    transform: translate(-50%, 0%);
}

.nybanner .content .title,
.nybanner1 .content .title {
    font-size: 45px;
    font-weight: 600;
    letter-spacing: 4px;
    text-shadow: 0px 0px white, 0px 1px #333;
}

.nybanner1 {
    color: #ffffff;
}

.nybanner1 img {
    width: 100%;
}

.nybanner1 .content {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.nycontent {
    padding: 40px 0 100px 0;
}

.nycontent .ny-intro {
    font-size: 16px;
    line-height: 2;
}

.nycontent .ny-intro .title {
    font-size: 32px;
    font-weight: bold;
}

.nycontent .ny-intro .box {
    font-size: 0;
}

.nycontent .ny-intro .box .left {
    width: 30%;
    display: inline-block;
    border-radius: 8px;
    overflow: hidden;
}

.nycontent .ny-intro .box .left img {
    width: 100%;
    height: auto;
}

.nycontent .ny-intro .box .right {
    width: 70%;
    display: inline-block;
    font-size: 32px;
    box-sizing: border-box;
    padding: 0 20px;
    vertical-align: top;
}

.nyproduct {
    padding: 40px 0 100px 0;
}

.nyproduct .ny-intro {
    font-size: 16px;
    line-height: 2;
}

.nyproduct .ny-intro .title {
    font-size: 32px;
    font-weight: bold;
}

.nyproduct .ny-intro .box {
    font-size: 0;
}

.nyproduct .ny-intro .box .left {
    width: 30%;
    display: inline-block;
    border-radius: 8px;
    overflow: hidden;
}

.nyproduct .ny-intro .box .left img {
    width: 100%;
    height: auto;
}

.nyproduct .ny-intro .box .right {
    width: 70%;
    display: inline-block;
    font-size: 32px;
    box-sizing: border-box;
    padding: 0 20px;
    vertical-align: top;
}

.nyproduct .ny-intro .box .right .team-info {
    font-size: 16px;
    color: #909399;
    margin-top: 32px;
}

.w-text {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    bottom: 30px;
}

.w-text span {
    width: 63px;
    height: 63px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    -webkit-animation: 1.2s infinite alternate scroll-icon;
    animation: 1.2s infinite alternate scroll-icon;
}

@keyframes scroll-icon {
    0% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(10px);
    }
}

@-webkit-keyframes scroll-icon {
    0% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(10px);
    }
}

.ny_nav {
    background: #f6f8fb;
}

.ny_nav .container {
    height: 83px;
}

.ny_nav .left_class ul li {
    padding: 0px 20px;
    position: relative;
}

.ny_nav .left_class ul li a {
    font-size: 16px;
    display: inline-block;
    line-height: 83px;
    padding: 0px 10px;
    position: relative;
    white-space: nowrap;
}

.ny_nav .left_class ul li:before {
    width: 1px;
    height: 23px;
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    background: #e8e8e8;
    content: '';
    transition: all 0.2s;
}

.ny_nav .left_class ul li:last-child:before {
    display: none;
}

.ny_nav .left_class ul li.active a {
    color: #1a76d1;
    font-weight: 600;
    position: relative;
}

.ny_nav .left_class ul li.active a:before,
.ny_nav .left_class ul li a:hover:before {
    left: 0px;
    right: 0px;
}

.ny_nav .tpright {
    color: #999;
}

.ny_nav .tpright a {
    color: #999;
}

.ny_nav .tpright .black {
    color: #333;
}

.local {
    background: #f6f8fb;
    color: #666;
    font-size: 16px;
}

.local .container {
    height: 76px;
}

.local a {
    font-size: 16px;
    color: #666;
    padding: 0px 10px;
}

.expert_two .exp_title {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 30px;
    line-height: 1;
}

.expert_two .exp_title .tpleft {
    display: inline-block;
    position: relative;
}

.expert_two .exp_title .tpleft:before {
    width: 100%;
    height: 5px;
    position: absolute;
    left: 0px;
    bottom: 0px;
    z-index: 0;
    background: #1a76d1;
    content: '';
}

.expert_two .exp_title span {
    display: inline-block;
    position: relative;
    z-index: 9;
}

.expert_two ul {
    padding-bottom: 40px;
}

.expert_two ul li {
    background: #fff;
    box-shadow: 0 0 10px 0 rgba(0, 104, 183, 0.12);
    padding: 30px 30px;
    display: flex;
    align-items: stretch;
    margin-bottom: 35px;
}

.expert_two ul li:hover {
    box-shadow: 0 0 10px 0 rgba(0, 104, 183, 0.2);
}

.expert_two ul li:hover .photo a img {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.expert_two ul li:hover .content .title a {
    color: #1a76d1;
}

.expert_two ul li .photo {
    width: 220px;
}

.expert_two ul li .photo a {
    position: relative;
    padding-top: 129%;
    overflow: hidden;
    width: 100%;
    display: block;
}

.expert_two ul li .photo img {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: all 0.9s;
    -webkit-transition: all 0.9s;
}

.expert_two ul li .content {
    flex: 1;
    overflow: hidden;
    margin-left: 30px;
    padding-top: 10px;
}

.expert_two ul li .content .title {
    margin-bottom: 12px;
}

.expert_two ul li .content .title a {
    display: block;
    font-size: 20px;
    font-weight: bold;
}

.expert_two ul li .content .desc {
    font-size: 14px;
    color: #666;
    line-height: 2;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-text-overflow: ellipsis;
}

.expert_two ul:last-child {
    padding-bottom: 0px;
}

.expert_two ul:last-child li:last-child {
    margin-bottom: 0px;
}

.leader .leader-title {
    font-size: 28px;
    font-weight: 600;
    padding: 16px 0;
}

.leader ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 48px 35px;
    align-items: stretch;
}

.leader ul li {
    overflow: hidden;
    background: #fff;
    box-shadow: 0 0 10px 0 rgba(0, 104, 183, 0.12);
    text-align: center;
    cursor: pointer;
}

.leader ul li .photo {
    position: relative;
    padding-top: 129%;
    overflow: hidden;
    width: 100%;
    display: block;
}

.leader ul li .photo img {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: all 0.9s;
    -webkit-transition: all 0.9s;
}

.leader ul li .content {
    padding: 23px 15px 30px;
}

.leader ul li .content .lab {
    color: #666666;
    margin-bottom: 10px;
}

.leader ul li .content .title {
    color: #000000;
    font-size: 16px;
}

.leader ul li:hover {
    box-shadow: 0 0 10px 0 rgba(0, 104, 183, 0.2);
}

.leader ul li:hover.photo img {
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
}

.PI_intro {
    display: flex;
    align-items: flex-start;
}

.PI_intro .tpleft {
    width: 365px;
    position: relative;
    margin-right: 60px;
}

.PI_intro .tpleft:before {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 9px;
    top: 9px;
    background: #dfdddf;
    z-index: -1;
    content: '';
}

.PI_intro .content {
    flex: 1;
    overflow: hidden;
}

.PI_intro .content .title {
    font-size: 25px;
    font-weight: 600;
}

.PI_intro .content .title1 {
    font-size: 22px;
    margin-top: 25px;
}

.PI_intro .content .lab {
    font-size: 18px;
    padding: 6px 0px 5px;
    margin-bottom: 15px;
}

.PI_intro .content .desc {
    padding-top: 40px;
    line-height: 2;
    color: #999;
    font-size: 18px;
}

.contact .top {
    margin-bottom: 40px;
}

.contact .top .title {
    color: #1a1a1a;
    font-size: 32px;
    font-weight: 600;
}

.contact .top .eng {
    color: #999;
    font-size: 17px;
    text-transform: uppercase;
}

.contact .info .title {
    font-size: 20px;
    color: #1a1a1a;
    font-weight: 600;
    border-bottom: 1px #e8e8e8 solid;
    padding-bottom: 20px;
    margin-bottom: 35px;
}

.contact .info ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 60px;
}

.contact .info ul li:last-child {
    margin-bottom: 0px;
}

.contact .info ul li .iconfont {
    width: 49px;
    height: 49px;
    border: 2px #0068b7 solid;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0068b7;
    font-size: 28px;
    margin-right: 18px;
}

.contact .info ul li .content {
    flex: 1;
    overflow: hidden;
}

.contact .info ul li .content .sml {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 7px;
    color: #1a1a1a;
}

.contact .info ul li .content .desc {
    line-height: 2;
}

.map-box {
    font-size: 0;
}

.map-box img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.send-msg-box .form-item {
    padding: 10px 0;
}

.send-msg-box .form-label {
    display: block;
    font-size: 16px;
    margin-bottom: 16px;
}

.send-msg-box .form-input {
    display: block;
    box-sizing: border-box;
    width: 100%;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: 300;
    line-height: 27px;
    letter-spacing: 0.1em;
    color: #5E5C5C;
    background-image: none;
    border-radius: 0;
    transition: 0.3s ease-in-out;
    border: 1px solid #E0E0E0;
}

.send-msg-box .form-btn {
    text-align: center;
    margin: 30px 0;
}

.send-msg-box .form-btn .btn {
    font-size: 16px;
    font-weight: 600;
    padding: 16px;
    background-color: #0c397a;
    color: #ffffff;
    display: inline-block;
    width: 200px;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    border: none;
}

/* 媒体查询和适配 */
@media screen and (max-width: 1200px) {
    .container {
        padding-left: 4%;
        padding-right: 4%;
    }

    .header .container {
        padding-left: 4%;
        padding-right: 4%;
    }

    .research-direction-box {
        max-width: 100%;
    }
}

@media screen and (max-width: 1000px) {
    .header {
        background: #ffffff;
        height: 80px;
    }

    .header .container {
        height: 80px;
    }

    .header .logo .pic1 {
        display: none;
    }

    .header .logo .pic2 {
        display: block;
    }

    .header .menu {
        display: none;
    }

    .header .menu ul li a {
        padding: 0px 15px;
    }

    .header .menubtn {
        display: flex;
    }

    .header .right:before {
        background: #999;
    }

    .header .right a.search {
        color: #000;
    }

    .head-box {
        height: 80px;
    }

    .menu-mc {
        display: flex;
    }

    footer .f_one {
        flex-direction: column;
    }

    footer .f_one .t_right {
        width: 100%;
    }

    footer .f_one .t_right ul {
        justify-content: space-between;
    }

    footer .f_one .t_right ul li {
        margin-left: 0px;
    }

    footer .f_one {
        align-items: flex-start;
    }

    footer .f_one .db_logo {
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 850px) {
    .index_bt .desc {
        font-size: 14px;
    }

    .leader ul {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 767px) {
    .header {
        background: #fff;
        height: 70px;
    }

    .header .container {
        height: 70px;
    }

    .header .logo {
        width: 180px;
    }

    .head-box {
        height: 70px;
    }

    .banner ul li .content {
        font-size: 35px;
    }

    .dance {
        padding-top: 59px;
        padding-bottom: 60px;
    }

    .index_bt .title {
        font-size: 30px;
    }

    .index_bt {
        margin-bottom: 30px;
    }

    footer .f_one .t_right ul {
        align-items: flex-start;
    }

    footer .f_one .t_right ul li {
        margin-bottom: 20px;
    }

    footer .f_one .t_right ul li:last-child {
        display: none;
    }

    footer .f_two {
        display: none;
    }

    footer .f_one {
        border-bottom: 0px;
        margin-bottom: 0px;
    }

    footer .f_one .db_logo img {
        height: 35px;
    }

    .scene-pc {
        display: none;
    }


    .scene-mc {
        display: block;
        overflow: hidden;
    }

    .scene-content {
        height: 280px;
        flex-wrap: wrap;
        flex-direction: column;
    }

    .scene-content .scene-item {
        flex: 1;
        display: flex;
        color: #fff;
    }

    .scene-content .scene-item-inner {
        flex: 1;
        width: 100%;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        text-align: center;
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
    }

    .scene-content .scene-item-inner .info {
        width: 100%;
    }

    .scene-content .scene-item-inner .scene-item-title {
        font-size: 22px;
        font-weight: bold;
    }

    .scene-content .scene-item-inner .scene-item-arrow img {
        width: 60px;
    }

    .scene-content .scene-item-inner:after {
        position: absolute;
        content: '';
        width: 100%;
        height: 100%;
        left: 0;
        bottom: 0;
        z-index: -1;
        background: linear-gradient(to top, #000000, rgba(0, 0, 0, 0));
    }

    .nybanner .content {
        width: 90%;
    }

    .nybanner .content .title {
        font-size: 32px;
    }

    .w-text {
        bottom: 20px;
    }

    .w-text span {
        width: 43px;
        height: 43px;
        font-size: 20px;
    }

    .ny_nav {
        display: none;
    }

    .local .container {
        height: 56px;
    }

    .local {
        font-size: 14px;
    }

    .local a {
        font-size: 14px;
    }

    .expert_two .exp_title {
        font-size: 25px;
    }

    .expert_two ul li {
        padding: 30px 20px;
    }

    .expert_two ul li .content .title a {
        font-size: 18px;
    }

    .PI_intro {
        flex-direction: column;
    }

    .PI_intro .tpleft {
        width: 100%;
        margin-bottom: 30px;
    }

    .PI_intro .tpleft:before {
        display: none;
    }

    .PI_intro .content .title {
        font-size: 22px;
    }

    .PI_intro .content .title1 {
        font-size: 18px;
    }

    .PI_intro .content .lab {
        font-size: 16px;
    }

    .nycontent {
        padding: 40px 0 100px 0;
    }

    .nycontent .ny-intro {
        font-size: 16px;
        line-height: 2;
    }

    .nycontent .ny-intro .title {
        font-size: 32px;
        font-weight: bold;
    }

    .nycontent .ny-intro .box {
        font-size: 0;
    }

    .nycontent .ny-intro .box .left {
        width: 100%;
        display: block;
        border-radius: 8px;
        overflow: hidden;
    }

    .nycontent .ny-intro .box .left img {
        width: 100%;
        height: auto;
    }

    .nycontent .ny-intro .box .right {
        width: 100%;
        display: block;
        font-size: 16px !important;
        box-sizing: border-box;
        padding: 0 20px;
    }

    .nycontent .ny-intro .box .right p {
        font-size: 16px !important;
    }

    .nyproduct {
        padding: 40px 0 100px 0;
    }

    .nyproduct .ny-intro {
        font-size: 16px;
        line-height: 2;
    }

    .nyproduct .ny-intro .title {
        font-size: 32px;
        font-weight: bold;
    }

    .nyproduct .ny-intro .box {
        font-size: 0;
    }

    .nyproduct .ny-intro .box .left {
        width: 100%;
        display: block;
        border-radius: 8px;
        overflow: hidden;
    }

    .nyproduct .ny-intro .box .left img {
        width: 100%;
        height: auto;
    }

    .nyproduct .ny-intro .box .right {
        width: 100%;
        display: block;
        font-size: 16px !important;
        box-sizing: border-box;
        padding: 20px 10px;
    }

    .nyproduct .ny-intro .box .right p {
        font-size: 16px !important;
    }
}

@media screen and (max-width: 680px) {
    .leader ul {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 38px 20px;
    }

    .leader ul li .content .lab {
        margin-bottom: 5px;
    }

    .nybanner1 .content .title {
        font-size: 32px;
    }
}

@media screen and (max-width: 580px) {
    .expert_two ul li {
        flex-direction: column;
    }

    .expert_two ul li .content {
        margin-top: 14px;
        margin-left: 0px;
    }

    .expert_two ul li .photo {
        margin: 0px auto;
    }

    .expert_two ul li .content .title a {
        text-align: center;
    }
}