.layui-tab-brief > .layui-tab-title .layui-this a {
    color: #1E9FFF !important;
}

.layui-tab-brief > .layui-tab-more li.layui-this:after, .layui-tab-brief > .layui-tab-title .layui-this:after {
    border-bottom: 2px solid #1E9FFF;
}

.layui-tab-brief > .layui-tab-title .layui-this {
    color: #1E9FFF !important;
}


.title p {
    font-size: 15px;
    margin: 25px;
    color: #777777;
}

.clearfix::after {
    content: "\20";
    display: block;
    height: 0;
    clear: both;
}

.clearfix {
    zoom: 1;
}

body {
    font-size: 14px;
}

/* banner */
.theme {
    height: 350px;
    width: 100%;
    text-align: center;
}

.theme .title {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

.theme .title h1 {
    color: #FFFFFF;
    font-size: 50px;
}

.theme .title h3 {
    color: #FFFFFF;
    font-size: 35px;
    margin-top: 20px;
}

/*导航栏*/
.header {
    width: 100%;
    padding: 0 30px;
    background: #222222;
    box-sizing: border-box;
    position: sticky;
    top: 0;
    z-index: 999999;
}

.header .logo a, .header .navbar a {
    color: #CCCCCC;
    font-size: 13px;
}

.header .left {
    float: left;
    font-size: 20px;
    margin-top: 27px;
}

.header .left a {
    color: #CCCCCC;
}

.header .nav {
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    height: 100%;
    line-height: 80px;
    float: right;
}

.header .nav .more {
    display: none;
}

.header .navbar_nav .active a {
    color: #1E9FFF;
}

.header .navbar_nav .active::after {
    width: 100%;
}

.header .navbar_nav li {
    float: left;
    position: relative;
    display: block;
}

.header .navbar_nav li:after {
    content: "";
    width: 0;
    height: 2px;
    background: #1E9FFF;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all 0.5s ease 0s;
}

.header .navbar_nav li:hover:after {
    width: 100%;
}

.header .navbar_nav li a {
    text-decoration: none;
    height: 100%;
    padding: 0 25px;
    display: block;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    color: #CCCCCC;
    font-size: 16px;
}

.header .navbar_nav li:hover a {
    color: #1E9FFF;
}

.header .navbar_nav li.dropdown {
    display: inherit;
    position: relative;
}

.header .navbar_nav li.dropdown .dropdown_menu {
    display: none;
    position: absolute;
    top: 80px;
    width: 100%;
    background: #fff;
    box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
    left: 0;
    z-index: 10;
}

.header .navbar_nav li.dropdown .dropdown_menu a {
    font-size: 14px;
    color: #666;
    padding: 0 10px;
    line-height: 40px;
    text-align: center;
    background: #fff;
    margin-bottom: 2px;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu {
    display: block;
    background: #f3f3f3;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a {
    color: #666;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
    color: #fff;
    background: #1E9FFF;
}

/*首页主板信息*/
.featured {
    height: calc(100% - 80px);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.featured video {
    height: 100%;
    width: 100%;
    vertical-align: middle;
    object-fit: cover;
    object-position: 50% 50%;
}

.featured .image {
    display: none;
}

.featured .image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: 50% 50%;
}

.featured .layui-row {
    padding-top: 12%;
    position: relative;
    z-index: 999;
    color: #FFFFFF;
}

@media screen and (max-width: 768px) {
    .featured .image {
        display: block;
    }

    .featured {
        height: 300px;
    }
}

.featured .explain {
    color: #4c4c4c;
    animation-duration: 2000ms
}

.featured .explain .content {
    font-size: 1rem;
    padding-right: 20px;
}

.featured .explain .content .title {
    font-size: 5em;
    font-weight: 600;
    line-height: 1em
}

.featured .explain .content > p {
    line-height: 40px;
}

.featured .explain .dston {
    color: #a6a6a6;
    max-width: 400px;
    margin-bottom: 20px;
}

.featured .img {
    animation-duration: 3000ms;
    text-align: center;
}

.featured .img > img {
    max-width: 80%;
}

/*优势*/
.advantage {
    background: url("../img/index/background1.jpg") center center no-repeat;
    background-size: cover;
    padding: 100px 0;
}

.advantage .topic {
    margin-bottom: 50px;
    text-align: center;
    font-size: 2em;
    color: #ffffff;
    font-weight: 600;
}

.advantage .item {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 15px;

}

.advantage .item .icon {
    height: 70px;
    width: 70px;
    border-radius: 50%;
    text-align: center;
    position: relative;
}

.advantage .item .icon:after {
    content: '';
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 0;
    background: #2FBAEF;
    z-index: 1;
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: scale(0);
    transition: 0.3s;
    height: 100%;
    width: 100%;
}

.advantage .item .icon span {
    color: #2FBAEF;
    font-size: 35px;
    font-weight: bold;
    position: relative;
    top: 25%;
    z-index: 10;
}

.advantage .item:hover .icon:after {
    height: 100%;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.advantage .item:hover .icon span {
    color: #FFFFFF;
}

.advantage .item .title {
    color: #333333;
    font-size: 20px;
    margin-top: 20px;
    font-weight: bold;
}

.advantage .item .description {
    color: #797979;
    font-size: 14px;
    line-height: 25px;
    margin-top: 20px;
    height: 50px;
}

/* 应用领域 */
.application {
}

.application .wrap {
    background: url("../img/index/car.jpg") center center;
    background-size: cover;
    line-height: 60px;
    position: relative;
}

.application .wrap:after {
    height: inherit;
    width: 100%;
    content: '';
    background: #000000;
    opacity: 0.7;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
}

.application .wrap h3 {
    color: #FFFFFF;
    font-size: 40px;
    position: relative;
    z-index: 10;
    text-align: center;
    overflow: hidden;
    padding-top: 15%;
}

.application .types {
    background: #FFFFFF;
}

.application .types li {
    padding: 35px 30px;
}

.application .types .icon {
    float: left;
    margin-right: 30px;
}

.application .types .type {
    float: left;
    width: 80%;
}

.application .types .type h1 {
    color: #101d29;
    font-size: 22px;
    margin-bottom: 15px;
}

.application .types .type p {
    color: #6b778d;
    line-height: 28px;
    width: 60%;
}

.application .types .iconfont {
    color: #2ebaef;
    font-size: 50px;
}

/*主要产品*/
.products {
    padding: 100px 0;
}

.products .item:hover {
    box-shadow: 1px 1px 40px #a6a2a2;
}

.products .item .layui-btn {
    width: 100px;
}

.products .item:hover .layui-btn {
    width: 120px;
    transition: width 1s;
}

.products .topic {
    margin-bottom: 50px;
    text-align: center;
    font-size: 2em;
}

.products .layui-container {
    text-align: center;
}

.products .item {
    padding: 20px;
    transition: 0.5s;
    border: 1px solid #e9e9e9;
    border-radius: 5px;
}

.products .item .image img {
    height: 180px;
    width: 180px;
    transition: 0.5s;
    position: relative;
    top: 10px;
}

.products .item .description {
    margin: 20px 0;
    border-bottom: 1px solid #EEEEEE;
}

.products .item .description p:first-of-type {
    font-size: 16px;
    color: #333333;
    padding: 10px 0;
    font-weight: bold;
}

.products .item .description .trait {
    font-size: 14px;
    color: #797979;
    padding: 5px 0;
}


/*合作伙伴*/
.partner {
    text-align: center;
}

.partner .topic {
    margin-bottom: 20px;
    text-align: center;
    font-size: 30px;
    color: #333333;

}

.partner .item img {
    width: 80%;
    max-width: 170px;
}

/*关于*/
.about {
    text-align: center;
}

.about .layui-col-md4, .about .layui-col-md2, .about .layui-col-md3 {
    height: 170px;
    padding: 20px;
}

.about .layui-col-md4 {
    position: relative;
}

.about .phone {
    border-right: 1px solid #191d1f;
}

.about h4 {
    color: #CCCCCC;
    font-size: 14px;
    display: inline-block;
}

.about h3 {
    color: #FFFFFF;
    font-size: 18px;
    margin: 10px auto;
}

.about span, .service span {
    font-size: 20px;
    margin-right: 10px;
    color: #CCCCCC;
}

.about dt {
    color: #CCCCCC;
    margin-bottom: 30px;
    font-size: 14px;
}

.about dd {
    color: #888888;
    font-size: 12px;
    margin-top: 10px;
}

.about dd a {
    color: #888888 !important;
}

.about .image {
    position: absolute;
    top: 0;
    left: 20px;
    transform: rotate(-10deg);
    display: none;
}

.about .image image {
    height: 40px;
    width: 126px;
}

/*返回标签*/
.return {
    height: 50px;
    width: 50px;
    background: #A3A3A4;
    position: fixed;
    bottom: 20px;
    right: 20px;
    text-align: center;
    padding: 3px;
    display: none;
    z-index: 100;
}

.return span {
    font-size: 2em;
    color: #FFFFFF;
}

.return p {
    color: #FFFFFF;
    font-size: 1em;
}


@media screen and (max-width: 1000px) {
    .theme {
        height: 200px;
    }

    .theme .title h1 {
        font-size: 28px;
    }

    .theme .title h3 {
        font-size: 18px;
    }

    .header ul {
        width: 100%;
        position: absolute;
        top: 80px;
        left: 0;
        z-index: 20;
        text-align: center;
        display: none;
    }

    .header ul li {
        width: 100%;
        line-height: 50px;
        background: #090909;
    }

    .header .navbar_nav li.dropdown .dropdown_menu {
        position: static;
    }

    .header .nav .more {
        display: block;
        height: 80px;
    }

    .header .nav .more span {
        font-size: 30px;
        color: #FFFFFF;
    }

}

@media screen and (max-width: 768px) {
    .application .wrap h3 {
        top: 50px;
        left: 50px;
        width: 75%;
        font-size: 30px;
        line-height: 45px;
    }

    .application .types .type {
        margin-top: 20px;
        width: 100%;
    }

    .topic p:first-of-type {
        font-size: 25px !important;
        text-align: center !important;
        margin-bottom: 30px !important;
    }
}

/*底部导航栏*/
.footer {
    padding: 40px;
    padding-bottom: 100px;
    background: #3B3B3B;
    color: #888888;
    position: relative;
}

.footer a {
    text-decoration: none;
    color: #888888;
}

.footer .title_ {
    color: #FFFFFF;
    font-size: 1.1em;
}

.footer .layui-container {
    display: flex;
}

.footer .item {
    line-height: 35px;
}

.footer .module {
    width: 60%;
    display: flex;
}

.footer .module .item {
    width: 200px;
}

.footer .other {
    width: 40%;
    display: flex;
}

.footer .other > div {
    padding: 0 40px;
}

.footer .other > div:first-of-type {
    border-right: 1px solid #555555;
}

.footer .other img {
    height: 100px;
    width: 100px;
    margin-bottom: 20px;
}

.footer .copyright {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

@media only screen and (max-device-width: 768px) {
    body {
        font-size: 10px;
    }

    /*底部导航栏*/
    .footer {
        padding: 10px;
        padding-bottom: 50px;
    }

    .footer .layui-container {
        display: block;
    }

    .footer .layui-container > div {
        width: 100%;
    }

    .footer .item {
        line-height: 25px;
    }

    .footer .module .item {
        flex: 1;
    }

    .footer .other > div {
        flex: 1;
        text-align: center;
        padding: 0;
    }

    .footer .other {
        padding: 20px 0;
    }

    .footer .other img {
        height: 80px;
        width: 80px;
    }

    .footer .copyright {
        width: 90%;
        text-align: center;
    }

    /*返回顶部*/
    .return {
        height: 30px;
        width: 30px;
    }
}