* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary-blue: #2a6eb3;
            --light-blue: #4a8fd8;
            --dark-blue: #1a4a7a;
            --accent-blue: #5ab1ef;
            --light-gray: #f8f9fa;
            --medium-gray: #e9ecef;
            --dark-gray: #6c757d;
            --white: #ffffff;
            --shadow: rgba(0, 0, 0, 0.08);
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: var(--white);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 60px 0;
        }
        
        h1, h2, h3, h4 {
            font-weight: 600;
            line-height: 1.3;
        }
        
        h2 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        
        h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        
        a {
            text-decoration: none;
            color: var(--primary-blue);
            transition: color 0.3s;
        }
        
        a:hover {
            color: var(--dark-blue);
        }
        
        .btn {
            display: inline-block;
            background-color: var(--primary-blue);
            color: white;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }
        
        .btn:hover {
            background-color: var(--dark-blue);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title p {
            max-width: 700px;
            margin: 0 auto 1.5rem;
            color: var(--dark-gray);
        }

        /*PC导航*/
        .header-v1 {
            width: 100%;
            position: fixed; /*overflow:hidden; */
            height: 100px;
            z-index: 10;
            background-color: #fff;
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.15);
        }
        .nav-hide .header-v1 {
            height: 80px;
        }
        .nav-hide .blank_h {
            height: 80px;
        }

        .header-v1 .top-main {
            width: 100%;
            margin: 0 auto;
            position: relative;
            display: flex;
            justify-content: space-around;
        }
        .header-v1 .top-main .logo1 {
            height: 100px;
            justify-content: center;
            align-items: center;
            display: flex;
            margin-left: 2%;
        }
        .header-v1 .top-main .logo1 a{
            display: block;
        }
        .header-v1 .top-main .logo1 img {
            width: 50px;
            height: 100%;
            vertical-align: middle;
        }
        .nav-hide .header-v1 .top-main .logo1 img{
            margin-top: -20px;
        }
          .nav-hide .header-v1 .top-main .logo1 span{
            display: inline-block;
            vertical-align: middle;
            margin-top: -20px;
        }
        .header-v1 .top-main .logo1 img:hover {
            transition: all 0.3s;
            filter: Alpha(Opacity=60);
            opacity: 0.6;
        }
        .header-v1 .top-main .top_r {
            float: right;
        }
        .header-v1 .languages {
            float: right;
            position: relative;
            display: block;
            font-size: 12px;
            color: #707070;
            height: 38px;
            line-height: 38px;
            padding-left: 18px;
            text-align: right;
            font-family: "宋体";
            text-decoration: none;
            margin-left: 10px;
            background: url(../images/top_pic2.png) left center no-repeat;
            margin-top: 29px;
            transition: all 0.3s;
        }
        .header-v1 .languages:hover {
            margin-top: 25px;
        }
        .nav-hide .header-v1 .languages {
            margin-top: 22px;
        }
        .nav-hide .header-v1 .languages:Hover {
            margin-top: 18px;
        }
        .header-v1 .languages:Hover {
            transition: all 0.3s;
            filter: Alpha(Opacity=80);
            opacity: 0.8;
        }
        /*.header-v1 .languages:after{left: 1%;right: 1%;opacity: 1;-webkit-transition: all .5s;-o-transition: all .5s;-ms-transition: all .5s;transition: all .5s;}
        .header-v1 .languages:after{content: "";display: block;position: absolute;left: 50%;right: 50%;bottom: -1px;height:4px;opacity: 0;background-color: #c71d32;-webkit-transition: all .5s;-o-transition: all .5s;-ms-transition: all .5s;transition: all .5s;}
        .header-v1 .languages:hover:after{left: 1%;right: 1%;opacity: 1;-webkit-transition: all .5s;-o-transition: all .5s;-ms-transition: all .5s;transition: all .5s;}*/
        .header-v1 .top-main .top-main-content {
            text-align: center;
        }
        .navBar {
        }
        .nav {
            list-style: none;
            padding: 0;
        }
        .nav .m { /*float:left; */
            display: inline-block;
            border-top: 0;
            border-bottom: 0; /*width:120px; *//* position:relative; */
            margin-right: 22px;
            margin-left: 22px;
            cursor: pointer;
        }
        .nav a:hover {
            text-decoration: none; /*color:#fff;*/
            vertical-align: top;
        }
        /* .nav li:hover span {
            transform: translateY(-100%);
        } */
        .nav h3 {
            float: left;
            font-weight: normal;
            font-size: 16px;
            height: 100px;
            overflow: hidden;
            width: 100%;
            text-align: center;
            position: relative;
        }
        .nav h3 a {
            display: block;
            color: #000;
            line-height: 100px;
            font-size: 16px;
            text-transform: uppercase;
        }
        .nav h3 a span {
            display: block;
            position: relative;
            transition: all 0.3s;
            height: 100px;
            text-transform: uppercase;
        }
        .nav-hide .nav h3 a span {
            height: 80px;
        }
        .nav h3 a span:after {
            content: attr(data-title);
            position: absolute;/*color:#fff;*/
            left: 0;
            /* transform: translateY(100%); */
            width: 100%;
            top: 0; /*color:#fff;*/
        }
        /* .nav h3 a i {
            width: 9px;
            height: 5px;
            background: url(../images/top_pic5.png) no-repeat;
            display: inline-block;
            margin-left: 7px;
        } */
        .nav-hide .nav {
        }
        .nav-hide .nav h3 {
            height: 80px;
        }
        .nav-hide .nav h3 a {
            line-height: 80px;
        }
        .nav .on {
        }
        .nav .on h3 a {/* height:42px; line-height:42px; *//*color:#fff;background:#ec2029;*/ /*background:url(../images/top_bg.png) center bottom no-repeat;*/
        }
        .nav .on h3 a i {
            background: url(../images/top_pic6.png) no-repeat;
        }
        .nav .on h3 a span { /*color:#fff;*/
        }
        .nav li.on a:after {
            left: 0%;
            right: 0%;
            opacity: 1;
            -webkit-transition: all .5s;
            -o-transition: all .5s;
            -ms-transition: all .5s;
            transition: all .5s;
        }
        .nav li h3 a:after {
            content: "";
            display: block;
            position: absolute;
            left: 50%;
            right: 50%;
            margin-left: 0px;
            margin-right: 0px;
            bottom: 0px;
            height: 4px;
            opacity: 0;
            background-color: #00a1e9;
            -webkit-transition: all .5s;
            -o-transition: all .5s;
            -ms-transition: all .5s;
            transition: all .5s;
        }
        .nav li h3 a:hover:after {
            left: 1%;
            right: 1%;
            opacity: 1;
            -webkit-transition: all .5s;
            -o-transition: all .5s;
            -ms-transition: all .5s;
            transition: all .5s;
        }
        .nav .sub {
            display: none;
            width: 100%;
            padding: 0;
            position: absolute;
            background: rgba(0, 0, 0, 0.8);/* top:87px;*/
            top: 100px;/* overflow:hidden;*/
            text-align: center;
            z-index: 110;
            left: 0%;
        }
        .nav-hide .nav .sub {
            top: 80px;
        }
        .nav .sub ul {
            width: 1100px;
            margin: 0 auto;
        }
        .nav .sub li {
            vertical-align: middle;
            list-style: none;
            text-decoration: none;
            display: inline-block;
            line-height: 50px;
            font-size: 14px;
            margin-left: 10px;
            margin-right: 10px;
            text-transform: uppercase;
        }
        .nav .sub li span {
            display: block;
            height: 38px;
            position: relative;
        }
        .nav .sub li a {
            text-decoration: none;
            background: none;
            color: #fff;/* border-bottom:1px solid #515152;*/
            display: block;
            height: 50px;
            overflow: hidden;
        }
        /*.nav .sub li:last-child a{ border-bottom:0;}
        .nav .sub li:last-child a:hover{ border-bottom:0;}*/
        .nav .sub li a:hover {
            color: #00a1e9;/*border-bottom:1px solid #00a1e9;*/
        }
        .nav .sub li:hover img {
            transition: all 0.3s;
            opacity: 0.8;
            filter: Alpha(opacity=80);
        }
        .blank_h {
            height: 100px;
            overflow: hidden;
        }
        .top_search {
            float: right;
            height: 100px;
            width: 34px;
            position: relative;
            margin-right: 2%;
        }
        .nav-hide .top_search {
            height: 80px;
        }
        .top_search .input1 {
            width: 83%;
            text-indent: 10px;
            line-height: 30px;
            height: 30px;
            outline: medium;
            background: none;
            color: #9c9c9c;
            text-align: left;
            font-size: 13px;
            border: 0;
        }
        .top_search em {
            height: 100%;
            width: 100%;
            background: url(../images/top_pic1.png) left center no-repeat;
            cursor: pointer;
            display: block;
        }
        .top_search em:Hover {
            transition: all 0.3s;
            opacity: 0.8;
            filter: Alpha(opacity=80);
        }
        .top_search .search_con {
            display: none;
            position: absolute;
            bottom: -73px;
            right: 0px;
            width: 300px;
            height: 0px;
            padding-top: 23px;
            padding-bottom: 19px;
            background: url(../images/top_bg2.png) no-repeat;
            z-index: 100;/* border:1px solid #eee;box-shadow: 0px 3px 13px 0px rgba(0, 0, 0, 0.2);border-radius: 2px;*/
        }
        .top_search .search_con .input1 {
            height: 39px;
            line-height: 39px;
            background: #f8f8f8;
            border: 0;
            padding-left: 5px;
            margin-left: 16px;
            padding-right: 47px;
            width: 174px;
            float: left;
            outline: none;
        }
        .top_search .search_con .bnts {
            float: left;
            width: 40px;
            height: 39px;
            background: url(../images/top_pic3.png) no-repeat;
            cursor: pointer;
        }
        .top_search .search_con .bnts:hover {
            transition: all 0.3s;
            background: url(../images/top_pic4.png) no-repeat;
        }
        /* 手机导航全局 */
        .touch-top {
            width: 100%;
            position: fixed;
            top: 0;
            z-index: 99;
            background: #fff;
            display: none;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .touch_bg {
            width: 100%;
            position: fixed;
            top: 0;
            z-index: 8;
            background: #000;
            display: none;
            filter: Alpha(Opacity=60);
            opacity: 0.6;
            height: 100%;
        }
        .touch-top-wrapper {
            width: 100%;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 15px;
        }
        .touch-top-wrapper .touch-logo {
            float: left;
        }
        .touch-top-wrapper .touch-logo img {
            height: 90px;
            display: block;
        }
        .touch-navigation {
            display: block;
        }
        .touch-toggle {
            position: relative;
            right: 0;
            top: 0;
        }
        .touch-toggle li {
            float: left;
            height: 70px;
            padding: 0 8px;
            text-align: center;
            list-style: none;
        }
        .touch-toggle li a {
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .touch-toggle li:hover, .touch-toggle li:active {
        }
        .touch-toggle .touch-toggle-item-first {
            border-left: none;
        }
        .touch-toggle .touch-toggle-item-last {
            border-right: none;
        }
        .touch-toggle li a {
            display: block;
            font-size: 12px;
        }
        .touch-toggle li i {
            display: inline-block;
            width: 32px;
            height: 32px;
            overflow: hidden;
            margin-top: 30px;
            background-repeat: no-repeat;
            background-position: center center;
            background-size: contain;
        }
        .touch-toggle .touch-icon-language {
            background-image: url(../images/touch-icon-language.png);
        }
        .touch-toggle .touch-icon-user {
            background-image: url(../images/touch-icon-user.png);
        }
        .touch-toggle .touch-icon-search {
            background-image: url(../images/head_pic2.png);
        }
        .touch-toggle .touch-icon-menu {
            background-image: url(../images/head_pic1.png);
        }
        .touch-toggle li span {
            display: none;
            text-align: center;
        }
        .drawer-section {
            display: none;
        }
        .drawer-section-menu {
        }
        .touch-toggle-content {
            clear: both;
        }
        .touch-menu {
            clear: both;
        }
        .touch-menu ul li {
            border-bottom: 1px solid #e5e5e5;
            position: relative;
        }
        .touch-menu ul li a {
            color: #333;
            display: block;
            font-size: 18px;
            height: 48px;
            line-height: 48px;
            padding-left: 2%;
            transition: all 0.3s;
        }
        .touch-menu ul li a:hover, .touch-menu ul li a:active {
            background-color: #f5f5f5;
            color: #2a6eb3;
        }
        .touch-menu ul li i {
            position: absolute;
            top: 14px;
            right: 25px;
            display: block;
            width: 13px;
            height: 13px;
            overflow: hidden;
            background-position: center center;
            background-repeat: no-repeat;
            background-size: contain;
        }
        .touch-menu ul li i.touch-arrow-right {
            display: none;
            background-image: url(../images/touch-arrow-r.png);
        }
        .touch-menu ul li i.touch-arrow-down {
            background-image: url(../images/touch-arrow-d.png);
        }
        .touch-menu ul li i.touch-arrow-up {
            background-image: url(../images/touch-arrow-u.png);
        }
        .touch-menu ul li a:hover i.touch-arrow-down {
            background-image: url(../images/touch-arrow-d2.png);
        }
        .touch-menu ul li a:hover i.touch-arrow-up {
            background-image: url(../images/touch-arrow-u2.png);
        }
        .touch-menu ul ul {
            display: none;
            margin: 0;
            padding: 0 0px 30px 0px;
            background-color: #f9f9f9;
        }
        .touch-menu ul ul li {
            border-bottom: none;
            margin: 0;
            padding: 0;
        }
        .touch-menu ul ul li a {
            padding: 0;
            padding-left: 3%;
            font-size: 16px;
            height: 38px;
            line-height: 38px;
            text-transform: uppercase;
            color: #666;
        }
        .touch-menu ul ul li a:hover {
            color: #2a6eb3;
        }
        .touch-menu ul ul li i {
            top: 13px;
        }
        .touch-menu .closetitle {
            padding-top: 10px;
            padding-bottom: 12px;
            text-align: center;
        }
        .touch-menu .closetitle img {
            margin: 0 auto;
            height: 20px;
            width: auto;
        }
        /*手机弹出搜索*/
        .search_div {
            clear: both;
            width: 100%;
            overflow: hidden;
            padding-top: 2%;
            padding-bottom: 2%;
            display: none; /*z-index:999;*/
        }
        .search_div .search_con {
            width: 92%;
            margin: 0 auto;
            border: 1px solid #cdcdcd;
            height: 40px !important;
            line-height: 40px;
        }
        .search_div .search_con .input1 {
            text-indent: 15px;
            width: 88%;
            float: left;
            border: 0;
            background: none;
            height: 100%;
            font-size: 16px;
            outline: none;
            color: #bbb;
        }
        .search_div .search_con .bnt1 {
            -webkit-appearance: none;
            float: right;
            width: 12%;
            max-width: 60px;
            background: url(../images/head_pic2.png) 50% center no-repeat;
            background-size: auto 55%;
            border: 0;
            height: 100%;
            cursor: pointer;
        }
        

        /* 英雄区域 */
        .hero {
            position: relative;
            height: 620px;
            padding: 0px;
            z-index: 2;
        }

        .hero-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-content {
            color: #fff;
            font-size: 24px;
            position: absolute;
            top: 50%;
            left: 35%;
            transform: translate(-50%, -50%);
            padding: 0 20px;
            z-index: 3;
        }

        .hero h1 {
            font-size: 60px;
            margin-bottom: 20px;
        }

        .hero p {
            margin-bottom: 30px;
        }

        .cta-button, .subscribe-button {
            display: inline-block;
            background-color: #2563EB;
            color: #fff;
            padding: 15px 30px;
            font-size: 18px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            transition: background-color 0.3s;
            margin-right: 20px;
        }

         /* 页脚 */
        footer {
            background-color: var(--dark-blue);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-container {
            width: 90%;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 20px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .dropdown {
            position: relative;
            height: 80px;
        }
        
        .dropdown-menu {
            position: absolute;
            top: 119%;
            left: 0;
            background-color: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            border-radius: 10px;
            min-width: 200px;
            padding: 10px 0;
            margin: 5px 0 0;
            list-style: none;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
            z-index: 1000;
        }

        .nav-hide .dropdown-menu {
            top: 94%;
        }

        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
        }

        .dropdown-menu li {
            margin: 0;
        }

        .dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: #333;
            text-decoration: none;
            transition: background-color 0.3s;
        }

        .dropdown-menu a:hover {
            background-color: #f8f9fa;
            color: #2663EB;
        }

        .dropdown-menu a:hover::after {
            display: none;
        }

        .dropdown-toggle {
            position: relative;
            padding-right: 20px;
        }

        .dropdown-arrow {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%) rotate(180deg);
            width: 10px;
            height: 10px;
            transition: transform 0.3s;
        }

        .dropdown-arrow::before,
        .dropdown-arrow::after {
            content: '';
            position: absolute;
            width: 2px;
            height: 6px;
            background-color: #333;
            top: 2px;
        }

        .dropdown-arrow::before {
            left: 2px;
            transform: rotate(45deg);
        }

        .dropdown-arrow::after {
            right: 2px;
            transform: rotate(-45deg);
        }

        .dropdown:hover .dropdown-arrow {
            transform: translateY(-50%) rotate(0deg);
        }

         @media (max-width: 992px) {
            .stats-container {
                flex-wrap: wrap;
                gap: 30px;
            }

            .solution-content {
                flex-direction: column;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tech-grid {
                grid-template-columns: 1fr;
            }

            .cooperation-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .contact-content {
                flex-direction: column;
                padding: 50px 20px;
            }

            .hero-content {
                width: 100%;
                left: 50%;
            }

            .stat-item-center {
                margin: 0 20px;
            }

            .cta-button {
                margin-right: 2px;
            }

            .solution {
                padding: 50px 20px;
                text-align: center;
            }
            .solution-image img {
                width: 100%;
            }
            .services-container {
                padding: 0 20px;
            }
            .features {
                padding: 50px 20px;
            }
            .tech-advantages {
                padding: 50px 20px;
            }
            .cooperation {
                padding: 50px 20px;
            }
            .news {
                padding: 50px 20px;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .cooperation-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .footer-container {
                flex-direction: column;
                gap: 30px;
            }
            .hero-content {
                width: 100%;
                left: 50%;
            }
            .stat-item-center {
                margin: 0;
            }
            .cta-button, .subscribe-button {
                margin-right: 0;
            }
            /* 移动端导航 */
            .nav-links {
                display: none;
            }
            .header-v1 {
                display: none;
            }
            .blank_h {
                display: none;
            }
            .touch-top {
                display: block;
            }
            .touch-top-wrapper .touch-logo img {
                height: 40px;
            }
            .touch-toggle li {
                height: 60px;
            }
            .touch-toggle li a {
                height: 60px;
            }
            .touch-toggle li i {
                margin-top: 15px;
            }
            .touch-menu ul li a {
                font-size: 16px;
                height: 44px;
                line-height: 44px;
            }
            .touch-menu ul ul li a {
                font-size: 14px;
                height: 36px;
                line-height: 36px;
            }
            .stats h2 {
                font-size: 30px;
            }
            .solution {
                padding: 80px 20px;
                text-align: center;
            }

            .solution-content {
                flex-direction: column;
            }
            .solution-text {
                margin-right: 0;
            }
            /* .solution-image {
                padding: 0 17px;
            } */
             .solution-image img {
                width: 100%;
            }
            .services-container {
                padding: 0 20px;
            }
            .features {
                padding: 50px 20px;
            }
            .tech-advantages {
                padding: 50px 20px;
            }
            .cooperation {
                padding: 50px 20px;
            }
            .news {
                padding: 50px 20px;
            }
            .contact-content {
                flex-direction: column;
                padding: 50px 20px;
            }
        }