html {
    font-size: calc(100vw / 3.75);
}

.width_1600 {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.width_1200 {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

img {
    display: block;
    width: 100%;
    border: 0 none;
}

.footer_3 {
    padding: 0;
}

.footer_4 {
    padding: 0;
}

.footer_5 {
    margin-left: 30px;
}

.row {
    margin: 0;
}

.row div {
    padding: 0;
}

.tk_keyword,
.webkitchoose {
    width: 220px;
}

#keywordsear {
    width: 150px;
    padding-left: 5px;
}

.footerlinks {
    width: 100%;
}

.enterwebsite,
#keywordsure {
    width: 65px;
    font-family: "microsoft yahei";
}

.center_ {
    text-align: center;
    font-family: arial;
}

.tk_container {
    width: 100%;
    height: 620px;
    background: url(../images/aboutb.jpg) no-repeat center;
}

.tk_title {
    width: 1200px;
    margin: 0px auto;
    padding-top: 100px;
    color: #FFFFFF;
}

.tk_title img {
    display: block;
    width: 118px;
    margin: 0px auto;
}

.tk_title h2 {
    font-size: 60px;
    margin-top: 30px;
    margin-bottom: 10px;
}

.tk_title h3 {
    font-size: 42px;
    line-height: 50px;
}

.title_three {
    width: 1200px;
    margin: 0px auto;
    height: 492px;
    padding-top: 92px;
    box-sizing: border-box;
}

.title_three h3 {
    font-weight: normal;
    color: #003b7d;
    line-break: 40px;
    font-size: 36px;
    margin-bottom: 28px;
}

.title_three p {
    color: #3d3d3d;
    line-break: 30px;
    font-size: 18px;
    text-align: left;
}

.three_div {
    width: 100%;
    margin-top: 54px;
}

.three_div div {
    float: left;
    width: 33%;
}

.three_div div img {
    display: block;
    margin: 0px auto;
    width: 80px;
}

.three_div div h4 {
    font-weight: normal;
    font-size: 24px;
    color: #3d3d3d;
    margin-top: 12px;
}

.con_two {
    width: 100%;
    height: 563px;
    color: #FFFFFF;
    text-align: left;
}

.con_two .imgBox {
    float: left;
    width: 50%;
    height: 563px;
    background: url(../images/con_right.jpg) no-repeat left;
}

.con_two .con_two1 {
    float: left;
    width: 50%;
    height: 563px;
    position: relative;
    background: url(../images/con_left.jpg) no-repeat right;
}

.con_two h3 {
    font-size: 36px;
    font-weight: normal;
    width: 600px;
    float: right;
    margin-top: 72px;
    margin-bottom: 23px;
}

.con_two p {
    width: 550px;
    font-size: 18px;
    float: right;
    line-height: 30px;
}
.scroll_conTwo{
    overflow: auto;
    width: 590px;
    float: right;
    height: 400px;
    max-height: 400px;
    margin-right: 30px;
    font-size: 18px;
    color: #fff;
    text-align: justify;
    text-justify: newspaper;
    line-height: 30px;
}
.con_scroll {
    width: 1200px;
    margin: 0px auto;
    height: 850px;
}

.con_scroll .con_left {
    float: left;
    width: 50%;
    height: 100%;
    text-align: left;
}

.con_left .left_one {
    width: 160px;
    float: left;
    margin-left: 80px;
    margin-top: 80px;
}

.left_one h3 {
    font-family: "DIN";
    font-size: 56px;
    color: #003b7d;
}

.left_one p {
    font-size: 18px;
    margin-top: 5px;
}

.china {
    background: url(../images/scroll.jpg) no-repeat bottom;
}

.con_left .h3 {
    color: #003b7d;
    font-size: 36px;
    padding-left: 100px;
    margin-top: 92px;
    font-weight: normal;
    letter-spacing: -2px;
    margin-bottom: 23px;
}

.scroll_con {
    overflow: auto;
    width: 500px;
    float: right;
    height: 540px;
    max-height: 540px;
    font-size: 18px;
    color: #3d3d3d;
    text-align: justify;
    text-justify: newspaper;
    line-height: 30px;
}
/*.boxScroll{
	width: 500px;
	float: right;
	height: 500px;
	max-height: 500px;
	overflow: hidden;
}*/

.social {
    width: 100%;
    background: url(../images/social.jpg) no-repeat center;
    height: 380px;
}

.social div {
    width: 1200px;
    margin: 0px auto;
    padding-top: 70px;
}

.social h2 {
    color: #003b7d;
    font-size: 36px;
    margin-bottom: 20px;
}

.social p {
    color: #3d3d3d;
    line-height: 30px;
    text-align: left;
    font-size: 18px;
    text-align: justify;
    text-justify: newspaper;
}

.five_div {
    width: 1200px;
    margin: 100px auto 120px auto;
    height: 390px;
    box-sizing: border-box;
    border: 1px solid #2a9789;
    border-left: 0px;
    border-right: 0px;
    overflow: hidden;
}

.five_left {
    float: left;
    width: 240px;
    box-sizing: border-box;
    height: 388px;
    position: relative;
    cursor: pointer;
}

.five_left h3 {
    color: #2a9789;
    font-size: 36px;
    letter-spacing: -2px;
    -moz-transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.five_left:hover h3 {
    color: #f47920;
}

.zhu {
    width: 100%;
    height: 100%;
    position: relative;
    box-sizing: border-box;
    padding-top: 80px;
    z-index: 7;
    border-right: 1px solid #2a9789;
}

.five_bg1 .zhu {
    border-left: 1px solid #2a9789;
    background: #FFFFFF url(../images/five1.png) no-repeat bottom right;
}

.five_bg2 .zhu {
    background: #FFFFFF url(../images/five2.png) no-repeat bottom right;
}

.five_bg3 .zhu {
    background: #FFFFFF url(../images/five3.png) no-repeat bottom right;
}

.five_bg4 .zhu {
    background: #FFFFFF url(../images/five5.png) no-repeat bottom right;
}

.five_bg5 .zhu {
    background: #FFFFFF url(../images/five4.png) no-repeat bottom right;
}

.five_show {
    color: #FFFFFF;
    font-size: 18px;
    line-height: 30px;
    text-align: left;
    box-sizing: border-box;
    padding: 70px 100px 70px 50px;
    -moz-transition: all 0.7s ease;
    background: #159697 url(../images/con_left.jpg) no-repeat;
    background-size: 100% 100%;
    -webkit-transition: all 0.7s ease;
    -o-transition: all 0.7s ease;
    position: absolute;
    top: 0px;
    height: 388px;
    transition: all 0.7s ease;
}

.five_bg1 .five_show {
    width: 960px;
    left: -960px;
}

.five_bg2 .five_show {
    width: 720px;
    left: -720px;
}

.five_bg3 .five_show {
    width: 480px;
    left: -480px;
    padding-top: 30px;
}

.five_bg4 .five_show {
    width: 720px;
    right: -480px;
}

.five_bg5 .five_show {
    width: 960px;
    right: -720px;
}

.click_show .zhu {
    z-index: 9;
}

.click_show .five_show {
    z-index: 8;
}

.click_show h3 {
    color: #f47920;
}

.clear_click .zhu {
    z-index: 9;
}

.clear_click .five_show {
    z-index: 8;
}

.show_ .zhu {
    z-index: 9;
}

.five_bg1 .five_bg1_show {
    left: 239px;
}

.five_bg1 .five_bg1_hide {
    left: -960px;
}

.five_bg2 .five_bg2_show {
    left: 239px;
}

.five_bg2 .five_bg2_hide {
    left: -720px;
}

.five_bg3 .five_bg3_show {
    left: 239px;
}

.five_bg3 .five_bg3_hide {
    left: -480px;
}

.five_bg4 .five_bg4_show {
    right: 239px;
}

.five_bg4 .five_bg4_hide {
    right: -480px;
}

.five_bg5 .five_bg5_show {
    right: 239px;
}

.five_bg5 .five_bg5_hide {
    right: -720px;
}

.sub_btnlico {
    position: absolute;
    left: 0px;
    display: none;
    width: 16px;
    height: 16px;
    border: 1px solid #ffffff;
    border-left: transparent;
    border-bottom: transparent;
    -webkit-transform: rotate(135deg);
    /*下*/
    -ms-transform: rotate(135deg);
    -o-transform: rotate(135deg);
    transform: rotate(135deg);
    -webkit-transition: all 0.25s ease;
    -o-transition: all 0.25s ease;
    transition: all 0.25s ease;
    cursor: pointer;
}
.sub_btnlicoTwo{
    position: absolute;
    left: 0px;
    display: none;
    width: 16px;
    height: 16px;
    border: 1px solid #ffffff;
    border-left: transparent;
    border-bottom: transparent;
    -webkit-transform: rotate(135deg);
    /*下*/
    -ms-transform: rotate(135deg);
    -o-transform: rotate(135deg);
    transform: rotate(135deg);
    -webkit-transition: all 0.25s ease;
    -o-transition: all 0.25s ease;
    transition: all 0.25s ease;
    cursor: pointer;
}
.con_scroll .china .h3 {
    display: none;
}

.three_div br {
    display: none;
}

.three_div .clear {
    clear: both;
    float: none;
}

@media (max-width: 1200px) {
    .tk_title {
        width: 100%;
        padding-top: 0.5rem;
    }
    .title_three {
        width: 100%;
        height: auto;
        padding: 0 0.2rem;
        padding-top: 0.25rem;
        padding-bottom: 0.25rem;
    }
    .three_div div h4 {
        font-size: 20px;
    }
    .con_two h3 {
        width: 100%;
        font-size: 32px;
        padding-left: 20px;
        box-sizing: border-box;
    }
    .con_two p {
        width: 90%;
        font-size: 16px;
        /*padding-right: 20px;
        padding-left: 20px;*/
        box-sizing: border-box;
    }
    .scroll_conTwo{
        width: 100%;
        height: 380px;
        font-size: 16px;
        margin-right: 20px;
        box-sizing: border-box;
    }
    .con_scroll {
        width: 100%;
        height: 780px;
    }
    .china {
        background-size: 100%;
    }
    .con_left .left_one {
        margin-left: 50px;
        margin-top: 80px;
    }
    .social div {
        width: 100%;
    }
    .social {
        box-sizing: border-box;
        padding: 0 20px;
    }
    .five_div {
        width: 1000px;
        margin: 100px auto 120px auto;
        height: 390px;
    }
    .five_left {
        width: 200px;
    }
    .five_left h3 {
        font-size: 30px;
    }
    .five_bg1 .five_show {
        width: 800px;
        left: -800px;
    }
    .five_bg2 .five_show {
        width: 600px;
        left: -600px;
    }
    .five_bg3 .five_show {
        width: 400px;
        left: -400px;
        padding-top: 30px;
        padding: 30px 20px 30px 20px;
    }
    .five_bg4 .five_show {
        width: 600px;
        right: -400px;
    }
    .five_bg5 .five_show {
        width: 800px;
        right: -600px;
    }
    .five_bg1 .five_bg1_show {
        left: 200px;
    }
    .five_bg1 .five_bg1_hide {
        left: -800px;
    }
    .five_bg2 .five_bg2_show {
        left: 200px;
    }
    .five_bg2 .five_bg2_hide {
        left: -600px;
    }
    .five_bg3 .five_bg3_show {
        left: 200px;
    }
    .five_bg3 .five_bg3_hide {
        left: -400px;
    }
    .five_bg4 .five_bg4_show {
        right: 200px;
    }
    .five_bg4 .five_bg4_hide {
        right: -400px;
    }
    .five_bg5 .five_bg5_show {
        right: 200px;
    }
    .five_bg5 .five_bg5_hide {
        right: -600px;
    }
}

@media (max-width: 768px) {
    .tk_container {
        height: 3.10rem;
        background: url(../images/aboutbm.jpg) no-repeat center;
    }
    .tk_title {
        width: 100%;
        padding-top: 0.5rem;
    }
    .tk_title img {
        width: 0.55rem;
    }
    .tk_title h2 {
        font-size: 0.3rem;
        margin-top: 0.15rem;
        margin-bottom: 0.05rem;
    }
    .tk_title h3 {
        font-size: 0.18rem;
        line-height: 0.23rem;
    }
    .title_three {
        width: 100%;
        height: auto;
        padding: 0 0.2rem;
        padding-top: 0.55rem;
        padding-bottom: 0.1rem;
    }
    .three_div br {
        display: block;
    }
    .title_three h3 {
        font-weight: normal;
        line-break: normal;
        line-height: 0.36rem;
        font-size: 0.31rem;
        margin-bottom: 0.25rem;
    }
    .title_three p {
        line-break: normal;
        font-size: 0.17rem;
        line-height: 0.25rem;
    }
    .three_div {
        margin-top: 0.55rem;
    }
    .three_div div {
        float: none;
        width: 100%;
        margin-bottom: 0.45rem;
    }
    .three_div div img {
        width: 0.8rem;
    }
    .three_div div h4 {
        font-size: 0.25rem;
        margin-top: 0.05rem;
        line-height: 0.3rem;
    }
    .con_two {
        height: auto;
    }
    .con_two .con_two1,.con_two .imgBox {
        float: none;
        background-size: 100% 100%;
        width: 100%;
        padding: 0 0.2rem;
        box-sizing: border-box;
        min-height: 2.8rem;
        height: auto;
    }
    .con_two h3 {
        font-size: 0.31rem;
        text-align: center;
        width: 100%;
        float: none;
        padding-top: 0.4rem;
        padding-bottom: 0.2rem;
        margin-top: 0;
        margin-bottom: 0;
    }
    .con_two p {
        width: 100%;
        font-size: 0.17rem;
        float: none;
        padding-right: 0;
        line-height: 0.25rem;
    }
    .scroll_conTwo{
        width: 100%;
        height: 1.6rem;
        overflow: hidden;
        line-height: 0.25rem;
        font-size: 0.16rem;
        float: none;
        text-align: initial;
        text-justify: none;
        max-height: none;
    }
    .con_two .con_two1 {
        background-size: 100% 100%;
        padding-bottom: 0.5rem;
    }
    .con_scroll {
        width: 100%;
        position: relative;
        height: auto;
        padding: 0 0.2rem;
        box-sizing: border-box;
        padding-bottom: 0.7rem;
    }
    .con_scroll .con_left {
        float: none;
        width: 100%;
        text-align: left;
        position: relative;
    }
    .con_scroll .china {
        height: 5.4rem;
        background-size: 100%;
        padding-top: 0.55rem;
    }
    .con_scroll .china .h3 {
        display: block;
    }
    .con_left .h3 {
        font-size: 0.31rem;
        padding-left: 0px;
        margin-top: 0px;
        margin-bottom: 0px;
        text-align: center;
        width: 100%;
        display: none;
    }
    .scroll_con {
        width: 100%;
        height: 1.8rem;
        overflow: hidden;
        line-height: 0.25rem;
        font-size: 0.16rem;
        float: none;
        text-align: initial;
        text-justify: none;
        max-height: none;
    }
    .con_scroll .sub_btnlico {
        border-color: #3d3d3d;
        left: 50%;
        margin-left: -8px;
        bottom: 0.5rem;
    }
    .con_two .sub_btnlico{
        border-color: #3d3d3d;
        left: 50%;
        margin-left: -8px;
        bottom: 0.2rem;
    }
    .con_left .left_one {
        width: 50%;
        margin-left: 0px;
        margin-top: 0px;
        padding-left: 0.2rem;
        box-sizing: border-box;
        padding-top: 0.35rem;
    }
    .left_one h3 {
        font-size: 0.31rem;
    }
    .left_one p {
        font-size: 0.15rem;
        line-height: 0.18rem;
        margin-top: 0.03rem;
    }
    .social {
        height: auto;
        box-sizing: border-box;
        padding: 0 0.2rem;
        padding-bottom: 0.5rem;
        background: #efefef url(../images/socialm.jpg) no-repeat bottom;
        background-size: 100%;
    }
    .social div {
        width: 100%;
        padding-top: 0.4rem;
    }
    .social h2 {
        font-size: 0.31rem;
        line-height: 0.36rem;
        margin-bottom: 0.25rem;
    }
    .social p {
        font-size: 0.17rem;
        line-height: 0.25rem;
        text-align: initial;
        text-justify: none;
    }
    .five_div {
        width: 100%;
        padding: 0 0.2rem;
        border: 0;
        height: auto;
        margin: 0.6rem 0;
    }
    .five_left {
        width: 100%;
        height: auto;
        border: 1px solid #2a9789;
        margin-bottom: 0.3rem;
        overflow: hidden;
    }
    .five_left .zhu {
        border: 0;
        padding-top: 0.2rem;
        background-size: 20% 84%;
        height: 0.95rem;
    }
    .five_bg2 .zhu {
        background-size: 23% 84%;
    }
    .five_left h3 {
        font-size: 0.31rem;
    }
    .five_show {
        height: auto;
        position: inherit;
        padding: 0.4rem 0.25rem;
        display: none;
        -webkit-transition: none;
        -o-transition: none;
        transition: none;
    }
    .five_bg1 .five_show {
        width: 100%;
        left: 0px;
    }
    .five_bg2 .five_show {
        width: 100%;
        left: 0px;
    }
    .five_bg3 .five_show {
        width: 100%;
        left: 0px;
        padding-top: 0.4rem;
    }
    .five_bg4 .five_show {
        width: 100%;
        right: 0px;
    }
    .five_bg5 .five_show {
        width: 100%;
        right: 0px;
    }
    .zhu .sub_btnlico {
        border-color: #159697;
        left: 50%;
        margin-left: -8px;
        bottom: 0.2rem;
    }
    .on .sub_btnlico {
        border-color: #f47920;
        bottom: 0.1rem;
        -webkit-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
    .five_left:hover h3 {
        color: #2a9789;
    }
    .five_left .on h3 {
        color: #f47920;
    }
    .footer_5 {
        margin-left: 0;
    }
    .sub_btnlico {
        display: block;
    }
    .sub_btnl .sub_btnlico {
        -webkit-transform: rotate(-45deg);
        /*上*/
        -ms-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
        left: 4px;
    }
}