* {
    box-sizing: border-box;
}


/*@font-face {
	font-family: 'lantingxihei';
	src: url(../fonts/lantingxihei_gbk.TTF);
}*/

body {
    font-family: sans-serif, Helvetica, Arial, "Microsoft YaHei";
    font-size: 14px;
    color: #373737;
    overflow-x: hidden;
}

section {
    display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

a {
    transition: .5s;
    -webkit-tap-highlight-color: transparent;
}

a:focus,
a:visited,
a:hover {
    text-decoration: none;
    outline: none;
    outline: 0;
}

.container {
    max-width: 1374px;
    margin: 0 auto;
}

body {
    position: relative
}

body:before {
    /*content: "";
	width: 100%;
	height: 100%;
	background: #eee;
	position: absolute;
	z-index: 10000;
	animation: intoPage 1.0s cubic-bezier(1, 0, 0, 1) 0.1s;
	animation-fill-mode: forwards;*/
}

#all_container {
    padding-top: 80px;
}


/*进场动画*/

@keyframes intoPage {
    0% {
        left: 0;
    }
    100% {
        left: 100%;
    }
}

.index_head {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 3;
    width: 100%;
    height: 80px;
    line-height: 80px;
    padding-top: 25px;
    background: #fff;
    transition: .5s;
}

.index_head.fixed {
    animation: menu-scroll 0.5s ease 0s forwards;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
}


/*滚动时导航固定动画*/

@keyframes menu-scroll {
    0% {
        top: -80px;
    }
    100% {
        top: 0;
    }
}

.logo {
    float: left;
}

.logo a {
    display: block;
    width: 113px;
    height: 50px;
    background: url(../images/logo.png) no-repeat;
}

.logo a:hover {
    background: url(../images/logo_h.png) no-repeat;
}

.head_r {
    width: 260px;
    float: right;
}

.head_r .link_a {
    display: inline-block;
    float: left;
    font-size: 16px;
    color: #373737;
    line-height: 34px;
}

.head_r .link_a:after {
    content: "";
    display: block;
    width: 0%;
    height: 1px;
    background: #373737;
    transition: .5s;
}

.head_r .link_a:hover::after {
    width: 100%;
}

.contact-box {
    float: right;
    position: relative;
    width: 125px;
}

.contact_a {
    display: block;
    height: 35px;
    line-height: 35px;
    text-align: center;
    color: #373737;
    font-size: 14px;
    border: 1px #333 solid;
    letter-spacing: 0.5px;
}


/*.contact_a:hover {
	background: #373737;
	color: #fff;
}*/

.contact-box section {
    position: absolute;
    width: 125px;
    border-left: 1px #333 solid;
    border-right: 1px #333 solid;
    padding: 0 14px;
    background: #fff;
    top: 33px;
    left: 0;
    transition: .5s;
    height: 0;
    overflow: hidden;
}

.contact-box:hover section {
    height: 153px;
    padding: 10px 14px 15px;
    border-bottom: 1px #333 solid;
}

.qq_link {
    display: block;
    height: 24px;
    line-height: 24px;
    font-size: 16px;
    color: #373737;
    background: url(../images/qq_icon.png) no-repeat left;
    padding-left: 22px;
    margin-bottom: 10px;
}


/*banner*/

.fix-banner {
    position: fixed;
    z-index: 2;
    width: 100%;
}


/*.banner{position:fixed;left:0;width:100%;top:70px;z-index: 1}*/

.banner li {
    position: relative;
    text-align: center;
    overflow: hidden
}

.banner li a {
    display: block;
}


/*.banner li a>img{width:100%;}*/

.banner-text {
    position: absolute;
    width: 100%;
    text-align: center;
    top: 10%;
}

.banner-text h1 {
    font-weight: normal;
    color: #000;
    font-size: 45px;
    line-height: 1.5;
}

.banner-text h6 {
    font-weight: normal;
    color: #5f5852;
    font-size: 18px;
    line-height: 1.5;
}

.banner-text.style2 h6 {
    color: #000;
}

.banner-text.style3 h1 {
    color: #bb1500;
}

.banner-text.style3 h6 {
    color: #ac946b;
}

.banner-text.style4 h1 {
    color: #fff;
}

.banner-text.style4 h6 {
    color: #fff;
}

.banner-text.style5 h1 {
    color: #015092;
}

.banner-text.style5 h6 {
    color: #015092;
}


/*point*/

.swiper-pagination-bullet {
    background: none;
    border: 1px #4a4a4a solid;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: #4a4a4a;
}

.swiper-container-horizontal>.swiper-pagination-bullets,
.swiper-pagination-custom,
.swiper-pagination-fraction {
    bottom: 30px;
}

.null {
    height: 700px;
}

.bottom_area {
    position: relative;
    z-index: 3;
    background: #fff;
}

.index_body .bottom_area {
    padding-top: 3%;
}

.company_logo {
    background: #f0f0f0;
    text-align: center;
    padding: 0;
}

.flex_logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: stretch;
}

.company_logo li {
    background: #f0f0f0;
    border: 1px #fff solid;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 25%;
    padding: 2% 0
}

.company_logo li img {
    max-width: 240px;
}

.company_logo h6 {
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.5;
    margin-bottom: 4%;
}

.company_logo li {
    list-style: none;
}

.banner {
    /*background: #ececec;*/
}

.banner img {
    /*width:100%;*/
}

.main_banner {
    padding-top: 80px;
    text-align: center;
    width: 586px;
    height: 586px;
    margin: 0 auto;
    background: url(../images/banner_round2.png) no-repeat;
}

.main_banner h3 span {
    font-size: 28px;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
    display: inline-block;
    color: #373737;
}

.main_banner h3 span::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: #000;
    position: absolute;
    left: 0;
    top: 0;
    animation: efc-bgColour01 1.0s ease 0.2s;
    animation-fill-mode: forwards;
}


/*.main_banner h3.first_h span::after{
	animation: efc-bgColour01 1.0s ease 0.2s;
	animation-fill-mode: forwards;
}*/

.main_banner h3.last_h span::after {
    animation-delay: .4s;
}

.title_box {
    padding: 0 20px;
    text-align: center;
    color: #777b80;
    font-size: 24px;
    line-height: 2;
    margin: 90px 0;
}


/*公用遮罩动画*/

.efc-bgColour01 {
    overflow: hidden;
    display: inline-block;
    position: relative
}

.efc-bgColour01::after {
    animation: efc-bgColour01 1.0s ease 0.2s forwards;
}

@-webkit-keyframes efc-bgColour01 {
    0% {
        width: 0;
    }
    60% {
        width: 100%;
    }
    61% {
        left: 0%;
    }
    100% {
        left: 100%;
    }
}

.main_banner h1 {
    font-size: 230px;
    font-weight: bold;
    line-height: 1;
    margin: 5% 0 8%;
}


/*选项卡*/

.section_nav {
    padding: 5% 0;
}

.section_nav h4 {
    float: left;
    color: #373737;
    font-size: 16px;
    background: url(../images/nav_line.png) no-repeat left center;
    padding-left: 40px;
    text-transform: uppercase;
}

.section_nav ul {}

.section_nav li {}

.section_nav li a {
    font-size: 16px;
    color: #373737;
    position: relative;
    display: inline-block;
    letter-spacing: 2px;
}

.section_nav li a:after {
    content: "";
    display: block;
    width: 0%;
    height: 1px;
    background: #373737;
    transition: .5s;
}

.section_nav li a:hover::after {
    width: 100%;
}

.case_content li {
    margin-bottom: 20px;
}

.case_content li a {
    text-align: center;
    display: block;
    overflow: hidden;
    position: relative;
}

.case_content li img {
    /*width: 100%;*/
    background-color: #f0f0f0;
}

.case_content li img,
.case_content li section {
    transition: .4s;
}

.case_content li section {
    background: #fff;
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
    top: 0;
    left: 0;
    transform: translateY(20px);
    opacity: 0;
}

.case_content li section h3 {
    letter-spacing: 2px;
    color: #373737;
    font-size: 16px;
    position: absolute;
    width: 100%;
    left: 0;
    top: 40%;
    line-height: 30px;
}

.case_content li a:hover img {
    transform: translateY(20px);
    opacity: 0;
}

.case_content li a:hover section {
    transform: translateY(0);
    opacity: 1;
}


/*服务*/

.service_box {
    padding-left: 3%;
}

.service_box h3 {
    color: #777b80;
    font-size: 20px;
}

.service_box p {
    margin: 50px 0 40px;
    color: #88898b;
    line-height: 2;
}

.service_box li {
    color: #88898b;
    margin: 5px 0;
}

.service_content {
    padding-bottom: 80px;
    padding-top: 10%;
}


/*footer*/

footer.container {
    padding-top: 50px;
    padding-bottom: 50px;
}

footer h3 {
    float: left;
    font-size: 14px;
    color: #777b80;
}

footer p {
    float: right;
    color: #777b80;
}


/****Loading************/

#loading {
    background-color: #fff;
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 99;
    margin-top: 0px;
    top: 0px;
}

#loading-center {
    width: 100%;
    height: 100%;
    position: relative;
}

#loading-center-absolute {
    position: absolute;
    left: 50%;
    top: 50%;
    height: 60px;
    width: 60px;
    margin-top: -30px;
    margin-left: -30px;
    -webkit-animation: loading-center-absolute 1s infinite;
    animation: loading-center-absolute 1s infinite;
}

.object {
    width: 20px;
    height: 20px;
    background-color: #373737;
    float: left;
    -moz-border-radius: 50% 50% 50% 50%;
    -webkit-border-radius: 50% 50% 50% 50%;
    border-radius: 50% 50% 50% 50%;
    margin-right: 20px;
    margin-bottom: 20px;
}

.object:nth-child(2n+0) {
    margin-right: 0px;
}

#object_one {
    -webkit-animation: object_one 1s infinite;
    animation: object_one 1s infinite;
}

#object_two {
    -webkit-animation: object_two 1s infinite;
    animation: object_two 1s infinite;
}

#object_three {
    -webkit-animation: object_three 1s infinite;
    animation: object_three 1s infinite;
}

#object_four {
    -webkit-animation: object_four 1s infinite;
    animation: object_four 1s infinite;
}

@-webkit-keyframes loading-center-absolute {
    100% {
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes loading-center-absolute {
    100% {
        -ms-transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-webkit-keyframes object_one {
    50% {
        -ms-transform: translate(20px, 20px);
        -webkit-transform: translate(20px, 20px);
        transform: translate(20px, 20px);
    }
}

@keyframes object_one {
    50% {
        -ms-transform: translate(20px, 20px);
        -webkit-transform: translate(20px, 20px);
        transform: translate(20px, 20px);
    }
}

@-webkit-keyframes object_two {
    50% {
        -ms-transform: translate(-20px, 20px);
        -webkit-transform: translate(-20px, 20px);
        transform: translate(-20px, 20px);
    }
}

@keyframes object_two {
    50% {
        -ms-transform: translate(-20px, 20px);
        -webkit-transform: translate(-20px, 20px);
        transform: translate(-20px, 20px);
    }
}

@-webkit-keyframes object_three {
    50% {
        -ms-transform: translate(20px, -20px);
        -webkit-transform: translate(20px, -20px);
        transform: translate(20px, -20px);
    }
}

@keyframes object_three {
    50% {
        -ms-transform: translate(20px, -20px);
        -webkit-transform: translate(20px, -20px);
        transform: translate(20px, -20px);
    }
}

@-webkit-keyframes object_four {
    50% {
        -ms-transform: translate(-20px, -20px);
        -webkit-transform: translate(-20px, -20px);
        transform: translate(-20px, -20px);
    }
}

@keyframes object_four {
    50% {
        -ms-transform: translate(-20px, -20px);
        -webkit-transform: translate(-20px, -20px);
        transform: translate(-20px, -20px);
    }
}


/**移动端*/

@media only screen and (max-width: 1440px) {
    .banner img {
        width: 100%;
    }
}

@media only screen and (max-width: 1024px) {
    body {
        overflow-x: hidden;
    }
    .bottom_area .col-sm-offset-2 {
        margin-left: 0;
    }
    .case_content li img {
        width: 100%;
    }
    .service_content {
        width: 100%;
    }
    .service_box p {
        margin-top: 20px;
    }
}

@media only screen and (max-width: 768px) {
    /*.banner{height:550px;padding-top:5%;}*/
    .main_banner {
        background-size: 100%;
        width: 500px;
        height: 500px;
        padding-top: 5%;
    }
    .main_banner h1 img {
        max-width: 140px
    }
    .company_logo {
        padding: 6% 0;
    }
    .company_logo h6 {
        font-size: 16px;
    }
    .company_logo li {
        width: 50%;
        padding: 5% 0;
        border: none;
    }
    .company_logo li img {
        max-width: 80px;
    }
    .title_box {
        font-size: 18px;
        margin: 10% 0;
    }
}

@media only screen and (max-width: 640px) {
    /*.banner{height:400px;}*/
    .main_banner {
        width: 350px;
        height: 350px;
    }
    .main_banner h1 {
        line-height: .5;
    }
    .main_banner h3 span {
        font-size: 20px;
    }
    .head_r {
        width: auto;
    }
    .head_r .link_a {
        display: none;
    }
}

@media only screen and (max-width: 480px) {
    /*.banner{height:300px;}*/
    .main_banner {
        width: 250px;
        height: 250px;
    }
    .main_banner h1 {
        font-size: 0;
    }
    .main_banner h1 img {
        max-width: 100px
    }
    .main_banner h3 span {
        font-size: 14px;
    }
    .section_nav li a,
    .section_nav h4 {
        font-size: 14px;
    }
    .logo img {
        max-height: 25px;
    }
    .contact_a {
        height: 30px;
        line-height: 30px;
    }
    .tab-nav {
        display: none;
    }
    .service_content {
        padding-top: 0;
        padding-bottom: 0
    }
    .service_box p {
        margin: 0;
    }
    .service_box {
        margin-bottom: 20px
    }
    footer.container {
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .swiper-container-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 10px;
    }
}