/*头部*/
.header {
    position: relative;
    z-index: 999;
    background: #292929;
}

/*logo*/
.header_top{
    background: #e70012;
}
.header_top .logo_box{
    float: left;
}
.header_top .logo_box,
.header_top .logo_box a {
    display: block;
    text-align: center;
    font-size: 0;
    line-height: 0;
}
.header_top .text{
    float: left;
    width: 280px;
    margin-left: 20px;
    margin-top: 30px;
}
.header_top .text p{
    font-size: 16px;
    color: #fff;
}
.header_top .header_info{
    float: right;
    margin-top: 30px;
}
.header_top .header_info p,
.header_top .header_info p a{
    font-size: 16px;
    color: #fff;
}
.header_top .header_info p a:hover{
    text-decoration: underline;
}

/*导航*/
.header_nav .container_1200{
    position: relative;
}
.nav_list {
    display: inline-block;
    font-size: 0;
    padding: 10px 0;
    position: relative;
    text-align: right;
    float: right;
    height: 95px;
    line-height: 95px;
}
.nav_list > li {
    display: -moz-inline-stack;
    display: inline-block;
    *display: inline;
    vertical-align: top;
    zoom: 1;

}
.nav_list > li:nth-of-type(1){
    background: none;
}

.nav_list > li > a {
    display: inline-block;
    padding: 0 26px;
    transition: all .3s;
}

.nav_list > li > a > span {
    display: inline-block;
    float: left;
    line-height: 37px;
    color: #fff;
    font-size: 16px;
    font-weight: 300;
    transition: all .5s;

}

.nav_list > li > a > i {
    display: inline-block;
    float: left;
    width: 24px;
    height: 24px;
    margin-top: 7px;
    background: url("/public/static/images/home/en-us/reset/pro_click.png") no-repeat center 2px;
    -moz-transition: all linear .3s;
    -webkit-transition: all linear .3s;
    -ms-transition: all linear .3s;
}

.nav_list > li:hover i {
    -moz-transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=2);
}
.nav_list > li.active > a,
.nav_list > li.on > a{
    transition: all .3s;
}
.nav_list > li.active span,
.nav_list > li.on span{
    color: #cf352b;
}

.nav_normal > li {
    position: relative;
}

.nav_normal > li .dropdown_menu {
    position: absolute;
    top: 70%;
    left: 0;
    padding: 10px 20px;
    min-width: 185px;
    display: none;
    background: #000;
    z-index: 1;
}
.nav_normal > li .dropdown_menu.dropdown_menuProduct > li{
    width: 50%;
    float: left;
}

.nav_normal .dropdown_menu li {
    width: 100%;
}

.nav_normal .dropdown_menu li a {
    display: block;
    width: 100%;
    line-height: 28px;
    font-size: 16px;
    color: #fff;
    padding: 9px 0px;
    text-align: left;
    white-space: nowrap;
}
.nav_normal .dropdown_menu li a:hover{
    color: #ce352b;
}
.search_click .close{
    display: none;
}
.search_click.active .open,.search_click.active span{
    display: none;
}
.search_click.active .close{
    display: block;
}
.header_search_box.active .info{
    width: 164px !important;
}
/*search*/
.header_nav{
    display: flex;
    justify-content: space-between;
}
.header_search_box {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 165px;
    height: 113px;
    background: #cf352b;
    transition: all .3s;
}
.header_search_box.active{
    width: 265px;
}
.header .left_nav{
    display: none;
    /*display: flex;*/
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 95px;
    background: #c8000b;
    z-index: 100;
}
.header .left_nav .open{
    line-height: 0;
    cursor: pointer;
}
.header .left_nav .close{
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    right: -40px;
    top: 0;
    width: 40px;
    height: 40px;
    background:#cf352b ;
    line-height: 0;
    cursor: pointer;

}
.header .left_nav .close img{
    transition: all .3s;
}
.header .left_nav .close:hover img{
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    transform: rotate(180deg);
}
.header .left_nav .left_menu{
    visibility: hidden;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.header .left_nav .left_menu .left_menuBox{
    position: relative;
    padding-top: 60px;
    width: 300px;
    height: 100%;
    background: #292929;
    transform: translateX(-350px);
    -webkit-transition: all .3s ;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.header .left_nav .left_menu:before{
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.4);
}
.header .left_nav .left_menu .left_menuBox .items{
    overflow-y: scroll;
    height: 80%;
}
.header .left_nav .left_menu .left_menuBox .item{
    padding-left: 40px;
    margin-bottom: 20px;
}
.header .left_nav .left_menu .left_menuBox .item a{
    font-size: 16px;
    color: #fff;
    line-height: 30px;
}
.header .left_nav .left_menu .left_menuBox .item a:hover{
    color: #cf352b;
}
.header .left_nav .left_menu .left_menuBox .item a.child_nav{
    display: block;
    padding-left: 20px;
}
.header .left_nav a{
    cursor: pointer;
}
.header .left_nav.active .left_menu{
    visibility: unset;
}
.header .left_nav.active .left_menuBox{
    transform: translateX(0);
}
.header .lang_box{
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 165px;
    line-height: 0;
    height: 113px;
    background: #414141;
    cursor: pointer;
}
.header .lang_box p img{
    vertical-align: sub;
    margin-right: 4px;
}
.header .lang_box a,.header .lang_box p{
    font-size: 16px;
    color: #fff;
}
.header .lang_box .lang:hover a.lang_cn{
    padding: 14px 10px;
    height: auto;
}
.header .lang_box a.lang_cn{
    position: absolute;
    top: 120px;
    right: 0;
    font-size: 16px;
    color: #fff;
    display: block;
    width: 165px;
    background: #414141;
    text-align: center;
    height: 0;
    overflow: hidden;
    -webkit-transition: all .3s;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.header .lang_box a:hover{
    color: #cf352b;
}
.header .nav .logo{
    float: left;
    line-height: 0;
}

.header{
    position: relative;
    height: 95px;
    background: #292929;
}
.left_nav{
    position: absolute;
    top: 0;
    left: 0;
}
.headerLeft{
    width: 32%;
    height: 95px;
    float: left;
    position: relative;
    z-index: 90;
}
.headerLeft .logo{
    float: right;
}
.headerLeft .logo img{
    max-height: 95px;
}
.headerRight{
    width: 68%;
    float: left;
    position: relative;
    padding-right: 400px;
}
.headerRight .lang_box{
    position: absolute;
    width: 165px;
    height: 95px;
    top: 0;
    right: 0;
}
.headerRight .header_search_box{
    position: absolute;
    height: 95px;
    right: 168px;
    top: 0;
}
.headerRight .search_form{
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
}
.headerRight .header_search_box form .info{
    display: flex;
    align-items: center;
    position: absolute;
    right: 100px;
    top: 30px;
    width: 0;
    height: 35px;
    border: 0;
    background: #cf352b;
    color: #fff;
    overflow: hidden;
    transition: all .3s;
}
.headerRight .header_search_box .inp_control::placeholder{
    color: #9E9E9E;
}
.headerRight .header_search_box .inp_control{
    width: 132px;
    border: 0;
    background: transparent;
    color: #9E9E9E;
    text-indent: 10px;
}
.headerRight .header_search_box .btn_search{
    width: 20px;
    height: 20px;
    background: url('/public/static/images/home/en-us/reset/search.png')#cf352b no-repeat center;
    border: 0;
    cursor: pointer;
    outline: none;
}
.headerRight .txt{
    position: absolute;
    right: 49px;
    top: 38px;
    z-index: 50;
    background: #cf352b;
}
.headerRight .txt img{
    cursor: pointer;
    vertical-align: middle;
}
.headerRight .header_search_box .txt span{
    color: #fff;
    margin-left: 5px;
    cursor: pointer;
}
/*pc隐藏模块*/
.m_header {
    display: none;
}

/*footer*/
.footer_box .footer_logo{
    background: #d20515;
    text-align: center;
    line-height: 0;
}
.follow_box{
    padding-top: 15px;
}
.follow_box a{
    display: inline-block;
    height: 32px;
    width: 32px;
    vertical-align: middle;
    margin-right: 10px;
    border: 1px solid #616161;
}

.follow_box a:nth-child(1){
    background: url("/public/static/images/home/en-us/reset/follow-service.png") no-repeat -24px 0 #3b5998;
}
.follow_box a:nth-child(2){
    background: url("/public/static/images/home/en-us/reset/follow-service.png") no-repeat -24px -128px #007fb1;
}
.follow_box a:nth-child(3){
    background: url("/public/static/images/home/en-us/reset/follow-service.png") no-repeat -24px -320px #cd332d;
}
.follow_box a:hover{

}
.footerCon_box{
    background: #292929;
    overflow: hidden;
}
.fast_navigation .icons .img{
    text-align: center;
    line-height: 0;
    padding-top: 28px;
}
.fast_navigation .text p,.fast_navigation .text p a{
    font-size: 16px;
    color: #949798;
    margin-bottom: 15px;
}
.fast_navigation .text img{
    vertical-align: sub;
    margin-right: 5px;
}
.fast_navigation .text p a:hover{
    color: #ce352b;
}
.fast_navigation .index_contact h2{
    font-size: 26px;
    font-weight: 400;
    color: #fff;
    text-transform: unset;
    padding-bottom: 0;
    margin-top: 18px;
}
.fast_navigation .index_contact p{
    font-size: 20px;
    color: #7a7b78;
}
.fast_navigation .index_contact a{
    display: inline-block;
    font-size:18px;
    width: 185px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    background: #ce352b;
    color: #fff;
    margin-top: 26px;
    border-radius: 10px;
    font-weight: bold;
}
.fast_navigation .index_contact a:hover{
    color: #ce352b;
    background: #fff;
}
.index_contact{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-right: 120px;
    padding-bottom: 20px;
    margin-bottom: 60px;
    border-bottom: 1px solid #7a7b78;
}
.index_contact .title_box{
    display: inline-block;
    vertical-align: top;
    line-height: 0;
}
.index_contact .title_box img{
    width: 160px;
}
.fast_navigation{
    padding-top: 60px;
    padding-bottom: 50px;
    overflow: hidden;
}
.fast_navigation h2{
    font-size: 22px;
    color: #fff;
    font-weight: bold;
    letter-spacing: 0;
    line-height: 1.8em;
    padding-bottom: 20px;
    text-transform: uppercase;
}
.fast_navigation ul li,
.fast_navigation ul li a{
    font-size: 16px;
    color: #949798;
    line-height: 2em;
}
.fast_navigation ul li a:hover{
    color: #ce352b;
    text-decoration: underline;
}

.footer_copyright{
    overflow: hidden;
}
.footer_copyright .container_1200{
    padding-top: 20px;
    padding-bottom: 20px;
}
.footer_copyright .text{
    text-align: center;
}
.footer_copyright p span,
.footer_copyright p a,
.footer_copyright p{
    color: #949798;
    font-size: 16px;
    line-height: 32px;
}
.footer_copyright p span{
    display: inline-block;
    padding: 0 5px;
}
.footer_copyright .site_map{
    margin-left: 20px;
}
.footer_copyright a:hover{
    color: #ce352b;
}

.footer_copyright .f_follow_service {
    float: right;
}
.footer_copyright .f_follow_service a {
    display: inline-block;
    margin: 1px;
    text-align: center;
}

.footer_copyright .f_follow_service a span {
    display: inline-block;
    width: 32px;
    height: 32px;
    vertical-align: middle;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background-repeat: no-repeat;
    background-image: url("/public/static/images/home/en-us/reset/social-icons-c.png");
}

.footer_copyright .social_icon_facebook {
    background-position: -24px 0;
}

.footer_copyright .social_icon_linkedin {
    background-position: -24px -128px;
}

.footer_copyright .social_icon_youtube {
    background-position: -24px -320px;
}

.footer_copyright .social_icon_facebook:hover{
    background-position: -224px 0;
}
.footer_copyright .social_icon_linkedin:hover{
    background-position: -224px -128px;
}
.footer_copyright .social_icon_youtube:hover{
    background-position: -224px -320px;
}

/*banner*/
.banner_slick .slick-prev,
.banner_slick .slick-next {
    width: 40px;
    height: 50px;
    margin-top: -25px;
    background-image: url("/public/static/images/home/en-us/reset/skin.png");
    background-repeat: no-repeat;
    background-color: rgba(255, 255, 255, 0);
}
.banner_slick .slick-prev {
    background-position: 0 0;
    left: 80px;
}
.banner_slick .slick-next {
    background-position: -150px 0;
    right: 80px;
}
.banner_slick .slick-dots li{
    background: #ffffff;
    border: 2px solid #ffffff;
}
.banner_slick .slick-dots li.slick-active{
    background-color: rgba(255,255,255,0);
    border: 2px solid #ffffff;
}
.container_nav{
    display: inline-block;
    width: 1200px;
    margin-left: 100px;
}
.index_banner .slick_first{
    position: relative;
}
.header_right_nav{
    display: flex;
}
.index_banner .txt1{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    padding-top: 110px;
    padding-left: 70px;
}
.index_banner .txt1 p{
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    line-height: 1.7em;
    text-transform: uppercase;
    margin-bottom: 40px;
}
.index_banner .txt1 a{
    display: inline-block;
    width: 220px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background: #ce352b;
}
.index_banner .txt1 a:hover{
    background: #fff;
    color: #ce352b;
}
.index_banner .txt2,.index_banner .txt3{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    text-align: center;
}
.index_banner .txt2 p,.index_banner .txt3 p{
    font-size: 35px;
    font-weight: 400;
    color: #fff;
    line-height: 1.7em;
    margin-bottom: 40px;
}
.index_banner .txt2 a,.index_banner .txt3 a{
    display: inline-block;
    width: 250px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    font-size: 30px;
    font-weight: 400;
    color: #fff;
    background: #ce352b;
}
.index_banner .txt2 a:hover,.index_banner .txt3 a:hover{
    background: #fff;
    color: #ce352b;
}
.index_banner .txt3 a{
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
}
.index_banner .txt3 h2{
    font-size: 50px;
    color: #fff;
    font-weight: bold;
    padding-bottom: 60px;
}
.index_box2 .txt{
    display: inline-block;
    padding-left: 210px;
    vertical-align: top;
    margin-bottom: 30px;
}
.index_box2 h2{
    font-size: 37px;
    font-weight: bold;
    color: #000;
    padding-top: 35px;
    padding-bottom: 5px;
}
.index_box2 p{
    font-size: 18px;
    font-weight: 100;
    color: #888888;
    line-height: 1.6em;
}
a.btn{
    display: inline-block;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    width: 220px;
    height: 56px;
    line-height: 56px;
    text-align: center;
    border:1px solid #333;
    margin-top: 53px;
    margin-left: 90px;
    transition: all .3s;
}
a.btn:hover{
    background: #ce352b;
    border-color: #ce352b;
    color: #fff;
}
.m_lang_btn{
    position: absolute;
    right: 10px;
    top: 18px;
    padding-left: 30px;
    background:url("/public/static/images/home/en-us/china.png") no-repeat left center;
    -webkit-background-size: 20px;
    background-size: 20px;
    color: #fff;
}
.index_box2 .items{
    display: flex;
    width: 100%;
    padding: 0 20px;
    justify-content: space-around;
    margin-top: 25px;
}
.index_box2 .items .item{
    position: relative;
    width: 32.5%;
    overflow: hidden;
}
.index_box2 .items .item .txt{
    position: absolute;
    left: 0;
    bottom: 75px;
    width: 100%;
    padding: 0 20px;
    padding-top: 455px;
    text-align: center;
    transition: all .4s;
}
.index_box2 .items .item img{
    vertical-align: middle;
    transition: all .4s;
}
.index_box2 .items .item .img{
    position: relative;
}
.index_box2 .items .item .img:after{
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    -webkit-transition: all .3s ;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.index_box2 .items .item:hover .img:after{
    background: rgba(0,0,0,.4);
}
.index_box2 .items .item:hover .txt h2,.index_box2 .items .item:hover .txt p,.index_box2 .items .item:hover .txt img{
    transform: translateY(-20px);
}
.index_box2 .items .item .txt h2{
    font-size: 38px;
    color: #fff;
    font-weight: bold;
    padding-bottom: 20px;
    transition: all .4s;
}
.index_box2 .items .item .txt p{
    font-size: 22px;
    font-weight: 100;
    color: #fff;
    height: 90px;
    transition: all .4s;

}
.index_box2 .items{
    max-width: 2000px;
    margin: auto;
}
.index_box3{
    padding-top: 110px;
    padding-bottom: 70px;
    background: -webkit-linear-gradient(#e6e6e6, #fff);
    background: -o-linear-gradient(#e6e6e6, #fff);
    background: -moz-linear-gradient(#e6e6e6, #fff);
    background: linear-gradient(#e6e6e6, #fff);
}
.index_box3_slick .txt{
    padding-bottom: 80px;
}
.index_box3_slick .txt h2{
    font-size: 50px;
    font-weight: bold;
    color: #000;
    text-align: center;
    padding-bottom: 20px;
    text-transform: uppercase;
}
.index_box3_slick .slick-dots li{
    background: #d4d4d4;
}
.index_box3_slick .slick-dots li.slick-active{
    background: #535353;
}
.index_box3_slick .txt p{
    font-size: 20px;
    color: #888888;
    font-weight: 100;
    text-align: center;
}
.index_box4{
    padding-top: 95px;
    padding-bottom: 65px;
    background: url("/public/static/images/home/en-us/company_bg.jpg") no-repeat center;
    background-size: cover;

}
.index_box4 .txt h2{
    color: #131313;
    font-size: 50px;
    font-weight: bold;
    padding-bottom: 25px;
}
.index_box4 .txt p{
    font-size: 20px;
    font-weight: 100;
    line-height: 1.5em;
    color: #131313;
    margin-bottom: 45px;
    max-width: 500px;
}
.index_box4 .txt a{
    display: inline-block;
    padding: 5px;
    background: rgba(203,169,177,.5 );
    border-radius: 25px;
    margin-top: 30px;
}
.index_box4 .txt a span{
    display: inline-block;
    width: 180px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background: #ce352b;
    border-radius: 25px;
    transition: all .3s;
}
.index_box4 .txt{
    transform: translateY(40px);
}
.index_box4 .txt a span:hover{
    color: #ce352b;
    background: #fff;
}
.index_box4 .text{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.index_box4 .text .item{
    display: inline-block;
}
.index_box4 .text .item h3{
    padding-bottom: 25px;
}
.index_box4 .text{
    padding-top: 90px;
}
.index_box4 .text .item h3,.index_box4 .text .item h3 span{
    font-size: 66px;
    font-weight: bold;
    color: #fff;
    text-align: center;
}
.index_box4 .text .item p{
    font-size: 16px;
    color: #fff;
    font-weight: 100;
    line-height: 1.4em;
    max-width: 225px;
    text-align: center;
}
.index_box5{
    padding: 30px 0;
}
.index_box5_slick .slick-next {
    right: -36px;

}
.index_box5_slick .slick-prev {
    left: -36px;
    transform: rotate(180deg);
}
.index_box5_slick img{
    filter: grayscale(100%);
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -webkit-transition: all .3s ;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.index_box5_slick .slick-current img{
    filter: grayscale(0%);
    -webkit-filter: grayscale(0%);
    -moz-filter: grayscale(0%);
    -o-filter: grayscale(0%);
    -ms-filter: grayscale(0%);
}
.index_box5_slick img:hover{
    filter: grayscale(0%);
    -webkit-filter: grayscale(0%);
    -moz-filter: grayscale(0%);
    -o-filter: grayscale(0%);
    -ms-filter: grayscale(0%);
}
.index_box4 .cpy_bg{
    display: none;
}
.about_banner .img{
    line-height: 0;
    text-align: center;
}
.about_box2{
    padding: 0 10px;
    padding-top: 60px;
}
.about_box2 h1{
    font-size: 37px;
    color: #353535;
    font-weight:bold;
    line-height: 1.4em;
    margin-bottom: 60px;
}
.about_box2 p{
    font-size: 18px;
    margin-bottom: 30px;
    color: #545454;
}
.about_box2 .img{
    padding-top: 20px;
    line-height: 0;
    text-align: center;
}
.about_box2 .container{
    padding-left: 0;
    padding-right: 0;
}
.about_box3 {
    text-align: center;
}
.about_box3 .img_bor{
    display: inline-block;
    padding: 30px 20px;
    border: 10px solid #ce352b;
    margin-top: 70px;
    margin-bottom: 70px;
}
.about_box3 .items{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    overflow: hidden;
    width: 100%;
}
.about_box3 .item{
    width: 25%;
    height: 245px;
    padding-top: 50px;
    text-align: center;
}
.about_box3 .item:hover{
    background: #ce352b;
}
.about_box3 .item:hover h2,.about_box3 .item:hover h2 span,.about_box3 .item:hover p{
    color: #fff;
}
.about_box3 .item h2{
    padding-bottom: 25px;
}
.about_box3 .item h2,.about_box3 .item h2 span{
    font-size: 66px;
    font-weight: bold;
    color: #212121;
}
.about_box3 .item p{
    width: 215px;
    margin: 0 auto;
    font-size: 18px;
    color: #545454;
    line-height: 1.4em;
}
.about_box3 .item h2 span{
    margin-right: 20px;
}
.about_box3 .img{
    position: relative;
    line-height: 0;
    text-align: center;
}
.about_box3 .content{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.about_box3 .content h2{
    font-size: 37px;
    color: #fff;
    font-weight: bold;
    line-height: 1.4em;
    padding-top: 50px;
    padding-bottom: 25px;
    text-align: center;
}
.about_box3 .content p{
    width: 70%;
    margin: 0 auto;
    font-size: 18px;
    font-weight: 100;
    color: #fff;
    line-height: 1.4em;
}
.about_box3 .items_img{
    display: flex;
    justify-content: space-between;
}
.about_box3 .items_img .item_img:nth-child(1){
    padding-right: 10px;
}
.about_box3 .items_img .item_img:nth-child(2){
    padding-left: 10px;
}
.about_box3 .item_img{
    display: inline-block;
    width: 50%;
    line-height: 0;
}
.about_box4 h2{
    font-size: 37px;
    color: #353535;
    font-weight:bold;
    text-align: center;
    padding-bottom: 15px;
}
.about_box4 p{
    font-size: 18px;
    color: #545454;
    text-align: center;
}
.about_box4 h3 a{
    font-size: 15px;
    color: #545454;
    text-align: center;
    text-decoration: underline;
}
.about_box4 h3{
    padding-top: 30px;
    text-align: center;
}
.about_box4 h3 a:hover{
    color: #cf352b;
}
.about_box4 .imgs{
    display: flex;
}
.about_box4 .img{
    display: inline-block;
}
.about_box4 .imgs .img:nth-child(1){
    width: 20%;
}
.about_box4 .imgs .img:nth-child(2){
    width: 58%;
}
.about_box4 .imgs .img:nth-child(3){
    width: 20%;
}
.about_box5,.about_box4{
    padding: 0 10px;
}
.about_box5 h2,.about_box6 h2{
    font-size: 37px;
    color: #353535;
    font-weight:bold;
    text-align: center;
    padding-bottom: 20px;
}
.about_box5 h2{
    padding-top: 35px;
}
.about_box5 p,.about_box6 p{
    font-size: 18px;
    color: #545454;
    line-height: 1.4em;
    text-align: center;
}
.about_box5 .tit{
    padding-top: 70px;
}
.tit h3{
    position: relative;
    margin-bottom: 20px;
}
.tit h3 span{
    font-size: 18px;
    color: #545454;
    background: #fff;
    padding-right: 10px;
    z-index: 5;
    line-height: 1.4em;
}
.tit h3:before{
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 100%;
    height: 1px;
    background: #ccc;
    z-index: -1;
}
.about_box5 .row1,.about_box5 .row2,.about_box5 .row3 {
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.about_box5 .w67_5{
    width: 67.5%;
}
.about_box5 .w31_25{
    width: 31.25%;
}
.about_box5 .row3 .tit_left .img_item{
    width: 100%;
}
.about_box5 .row3 .tit_right .img_item{
    display: inline-block;
    width: 50%;
    float: left;
}
.about_box5 .row3 .tit_right .img_item:nth-child(2){
    padding-right: 5px;
}
.about_box5 .row3 .tit_right .img_item:nth-child(3){
    padding-left: 5px;
}
.about_box5 .row2{
    padding-top: 20px;
}
.about_box5 .row3{
    flex-wrap: wrap;
}
.about_box5 .img_item{
    line-height: 0;
}
.about_box5 .tit.tit_left{
    width: 32.7%;
    padding-top: 40px;
}
.about_box5 .tit.tit_right{
    width: 66.5%;
    padding-top: 40px;
}
.about_box5 .img_item{
    overflow: hidden;
}
.about_box5 .img_item img{
    -webkit-transition: all .3s ;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.about_box5 .img_item:hover img{
    transform: scale(1.1);
}
.about_box6{
    padding-top: 70px;
    padding-bottom: 90px;
}
.about_box6 .items{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 45px;
}
.about_box6 .items .img{
    margin: 7px;
    width: 15%;
}
.about_box7{
    position: relative;
    background: #202020;
    padding-top: 262px;
}
.about_box7 .img{
    text-align: center;
}
.about_box7 .txt{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding-top: 50px;
}
.about_box7 .txt h2{
    font-size: 37px;
    color: #fff;
    font-weight:bold;
    text-align: center;
    padding-bottom: 50px;
}
.about_box7 .txt p{
    font-size: 18px;
    color: #fff;
    font-weight:400;
    line-height: 1.4em;
    text-align: center;
}
.about_box7 .img img{
    vertical-align: middle;
}

.contact_box1{
    position: relative;
    display: flex;
    overflow: hidden;
}
.contact_box1:after{
    content: '';
    clear: both;
}
.contact_box1 .item1,.contact_box1 .item2{
    position: relative;
    width: 50%;
}
.contact_box1 .item1{

}
.contact_box1 .item2{

}
.contact_box1 .img{
    width: 89.5%;
    min-height: 830px;
    background: url("/public/static/images/home/en-us/contact_bg_02-2.jpg")no-repeat center;
    z-index: -1;
}
.contact_box1 .img img{
    min-height: 790px;
}
.contact_box1 .con_follow{
    position: absolute;
    top: 250px;
    right: 5%;
    width: 384px;
    height: 500px;
    padding-top: 70px;
    padding-left: 38px;
    border: 2px solid #e5e5e5;
    background: #fff;
}
.contact_box1 .con_follow .txt p{
    position: relative;
    font-size: 16px;
    color: #2c2c2c;
    font-weight: 300;
    margin-bottom: 30px;
    padding-left: 50px;
}
.contact_box1 .con_follow .txt p a{
    font-size: 16px;
    color: #2c2c2c;
    font-weight: 300;
}
.contact_box1 .con_follow .txt p a:hover{
    color: #cf352b;
    text-decoration: underline;
}
.contact_box1 .con_follow .txt p:after{
    content: '';
    position: absolute;
    left: 0;
    top: -6px;
    width: 35px;
    height: 35px;
    background: #cf352b;
    border-radius: 5px;
}
.contact_box1 .con_follow .txt>p:nth-child(1):after{
    background-image: url("/public/static/images/home/en-us/contact_icon1.png");
    background-repeat: no-repeat;
    background-position: center;
}
.contact_box1 .con_follow .txt>p:nth-child(2):after{
    background-image: url("/public/static/images/home/en-us/contact_icon2.png");
    background-repeat: no-repeat;
    background-position: center;
}
.contact_box1 .con_follow .txt>p:nth-child(3):after{
    background-image: url("/public/static/images/home/en-us/contact_icon3.png");
    background-repeat: no-repeat;
    background-position: center;
}
.contact_box1 .con_follow .txt>p:nth-child(4):after{
    background-image: url("/public/static/images/home/en-us/contact_icon4.png");
    background-repeat: no-repeat;
    background-position: center;
}
.contact_box1 .con_follow .txt>p:nth-child(5):after{
    background-image: url("/public/static/images/home/en-us/contact_icon5.png");
    background-repeat: no-repeat;
    background-position: center;
}
.contact_box1 .con_follow .follow_link{
    padding-top: 30px;
}
.contact_box1 .con_follow .follow_link p{
    font-size: 16px;
    font-weight: 100;
    color: #2c2c2c;
    padding-bottom: 10px;
}
.contact_box1 .con_follow .follow_link a span{
    display: inline-block;
    width: 35px;
    height: 35px;
    margin-right: 5px;
    border-radius: 50%;
    overflow: hidden;
}
.contact_box1 .con_follow .follow_link a span:hover{
    opacity: .7;
}
.contact_box1 .con_follow .follow_link a:nth-child(2) span{
    background: url("/public/static/images/home/en-us/facebook.png")#5d82d1 no-repeat center;
}
.contact_box1 .con_follow .follow_link a:nth-child(3) span{
    background: url("/public/static/images/home/en-us/line.png")#228bc7 no-repeat center;
}
.contact_box1 .con_follow .follow_link a:nth-child(4) span{
    background: url("/public/static/images/home/en-us/youtobe.png")#d34848 no-repeat center;
}
.contact_box1 .con_follow .follow_link a:nth-child(5) span{
    background: url("/public/static/images/home/en-us/niao.png")#00aeef no-repeat center;
}
.contact_box1 .con_right{
    width: 580px;
    padding-top: 65px;
    padding-right: 30px;
    padding-left: 38px;
}
.contact_box1 .con_right h1{
    font-size: 35px;
    color: #cf352b;
    font-weight: bold;
    padding-bottom: 10px;
}
.contact_box1 .con_right h2{
    font-size: 22px;
    color: #2c2c2c;
    font-weight: 300;
    padding-bottom: 20px;
}
.contact_box1 .con_right p{
    font-size: 16px;
    color: #2c2c2c;
    font-weight: 300;
    margin-bottom: 35px;
}
.contact_box1 .con_right .form{
    padding-top: 30px;
    padding-left: 40px;
    padding-right: 40px;
    padding-bottom: 58px;
    box-shadow: 0 0 7px #cccc;
}
.contact_box1 .con_right .form .input laber{
    font-size: 15px;
    color: #2c2c2c;
    font-weight: 300;
    white-space: nowrap;
    margin-right: 5px;
}
.contact_box1 .con_right .form .input{
    display: flex;
    align-items: flex-end;
    position: relative;
    margin-bottom: 30px;
}
.contact_box1 .con_right .form .input input[type=text]{
    width: 100%;
    border:0;
    border-bottom: 1px solid #ccc;
    height: 35px;
    font-size: 15px;
    color: #2c2c2c;
    font-weight: 300;
    text-indent: 12px;
}
.contact_box1 .con_right .form .input .tips{
    position: absolute;
    bottom: -22px;
    right: 0;
    color: #cf352b;
}
.contact_box1 .con_right .form .submit{
    padding-top: 45px;
    text-align: center;
}
.contact_box1 .con_right .form .submit input{
    width: 140px;
    height: 40px;
    color: #cf352b;
    font-size: 17px;
    border: 2px solid #cf352b;
    background: #fff;
    cursor: pointer;
    -webkit-transition: all .3s ;
    -moz-transition: all .3s ;
    -ms-transition: all .3s ;
    -o-transition: all .3s ;
    transition: all .3s ;
}
.contact_box1 .con_right .form .submit input:hover{
    background: #cf352b;
    color: #fff;
}
.contact_box2{
    overflow: hidden;
}
.contact_box2:after{
    content: '';
    clear: both;
    overflow: hidden;
}
.contact_box2 .item_left{
    float: left;
    width: 44.7%;
    padding-top: 60px;
    padding-right: 30px;
}
.contact_box2 .item_right{
    float: right;
    width: 55.3%;
}
.contact_box2 .item_left .txt{
    width: 460px;
    float: right;
}

.contact_box2 .item_left .txt h2{
    font-size: 35px;
    color: #cf352b;
    font-weight: bold;
    padding-bottom: 15px;
}
.contact_box2 .item_left .txt h3{
    font-size: 16px;
    font-family: Raleway;
    font-weight: bold;
    line-height: 1.5em;
    color: #2c2c2c;
}
.contact_box2 .item_left .txt h3 span{
    display: inline-block;
    width: 7px;
    height: 12px;
    background: #cf352b;
    margin-right: 5px;
}
.contact_box2 .item_left .txt p{
    font-size: 16px;
    font-weight: 300;
    line-height: 1.5em;
    color: #2c2c2c;
}
.contact_box2 .item_left .txt p img{
    vertical-align: sub;
    width: 20px;
}

.product_box .submenu_wrap_ul .submenu_ul li a:hover{
    background: #cf352b;
    color: #fff;
}
.product_box .submenu_wrap .submenu_wrap_ul>li{
    padding: 10px 0;
}

.products_inquire a.addToBasket:before {
    position: absolute;
    width: 40px;
    height: 40px;
    left: 15px;
    content: '';
    background: url("/public/static/images/home/en-us/reset/inquire_img.png") no-repeat left top;
}

.about_box3 .tip{
    float: left;
    width: 19%;
}
.about_box3 .tip h2{
    position: relative;
    font-size: 37px;
    font-weight: bold;
    color: #353535;
    line-height: 1.4em;
    text-align: left;
    padding-top: 40px;
    padding-bottom: 35px;
}
.about_box3 .tip h2:after{
    /*position: absolute;*/
    /*left: 0;*/
    /*bottom: 0;*/
    /*content: '';*/
    /*width: 94px;*/
    /*height: 6px;*/
    /*background: #bc0e0e;*/
}
.about_box3 .tip p{
    font-size: 18px;
    text-align: left;
    line-height: 1.6em;
    color: #545454;
}
.about_box3 .container_1600{
    padding: 50px 0;
}
.about_box3 .container_1600 .img{
    float: right;
    width: 75%;
}
#google_map{
    height: 620px;
    width: 100%;
}
.index_banner .slick-slide img{
    margin: 0 auto;
}
.footer_info h2{
    font-size: 37px;
    color: #353535;
    font-weight: bold;
    line-height: 1.4em;
}
.footer_info p{
    font-size: 18px;
    font-weight: 100;
}
@media (max-width: 1700px){
    .headerLeft{
        width: 28%;
    }
    .headerRight{
        width: 72%;
    }
}
@media (max-width: 1620px) {
    .nav_list > li > a{
        padding: 0px 18px;
    }
    .headerRight{
        padding-right: 300px;
    }
    .header_search_box,.headerRight .lang_box{
        width: 135px;
    }
    .headerRight .header_search_box{
        right: 138px;
    }
    .headerRight .txt{
        right: 38px;
    }
    .index_box2 .txt{
        padding-left: 40px;
    }
    .contact_box2 .item_left .txt{
        width: 486px;
    }
    .index_box4{
        padding-top: 35px;
        padding-bottom: 25px;
    }
    .index_box4 .text{
        padding-top: 30px;
    }
    .index_box4{
        background: url("/public/static/images/home/en-us/company.jpg") no-repeat center;
        background-size: cover;
    }
    .index_box4 .txt p{
        max-width: 450px;
    }
    .about_box3 .tip{
        width: 25%;
    }
    .about_box3 .content p{
        width: 70%;
    }
}
@media (max-width: 1520px){
    .index_box4{
        background: url("/public/static/images/home/en-us/company.jpg") no-repeat center;
        background-size: cover;
    }
    .index_box4 .txt p{
        max-width: 460px;
    }
    .about_box3 .content p{
        width: 80%;
    }
    .index_box2 .items .item .txt h2{
        font-size: 33px;
    }
}
@media (max-width: 1420px){
    a.btn{
        margin-left: 40px;
    }
    .index_box4 .txt p{
        max-width: 340px;
        font-size: 18px;
    }
}
@media (max-width: 1350px){
    .headerRight {
        padding-right: 280px;
    }
    .nav_list > li > a {
        padding: 0px 11px;
    }
}
@media (max-width: 1220px) {
    .index_box2 .items .item .txt h2{
        font-size: 28px;
    }
    .index_box2 .items .item .txt p{
        font-size: 16px;
    }
    .index_contact{
        padding-right: 0;
    }
    .about_box3 .img_bor{
        padding: 0;
        border: 0;
    }
    .contact_box2 .item_left .txt{
        padding-left: 20px;
    }
    .index_box4{
        padding-top: 0;
    }
}
@media (max-width: 1160px){
    .header_search_box, .headerRight .lang_box{
        display: none;
    }
    .headerLeft {
        width: 32%;
    }
    .headerRight {
        width: 68%;
    }
    .headerRight {
        padding-right: 40px;
    }
}
@media (max-width: 992px) {
    body{
        padding-top: 60px;
    }
    /*移动端隐藏模块*/
    .header {
        display: none;
    }

    /*移动端头部*/
    .m_header {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: #292929;
        z-index: 99999;
    }

    .m_header {
        height: 60px;
    }

    .logo_box {
        width: 100%;
        text-align: center;
        height: 60px;
        line-height: 0;
        font-size: 0;
        zoom: 1;
    }

    .logo_box img {
        height: 100%;
    }

    /*移动端菜单按钮*/
    .nav_toggle {
        color: #fff;
        -webkit-transform: scale(0.7);
        -moz-transform: scale(0.7);
        -ms-transform: scale(0.7);
        -o-transform: scale(0.7);
        transform: scale(0.7);
        transform-origin: 50% 50%;
        position: absolute;
        top: 50%;
        left: 10px;
        margin-top: -13px;
        z-index: 999;
    }

    .nav_toggle {
        cursor: pointer;
        padding: 10px 45px 16px 0;
    }

    .nav_toggle span,
    .nav_toggle span:before,
    .nav_toggle span:after {
        cursor: pointer;
        -webkit-border-radius: 2px;
        -moz-border-radius: 2px;
        border-radius: 2px;
        height: 3px;
        width: 45px;
        background: #ffffff;
        position: absolute;
        display: block;
        content: '';
    }

    .nav_toggle span:before {
        top: -10px;
    }

    .nav_toggle span:after {
        bottom: -10px;
    }

    .nav_toggle span,
    .nav_toggle span:before,
    .nav_toggle span:after {
        transition: all 500ms ease-in-out;
        -webkit-transition: all 500ms ease-in-out;
        -moz-transition: all 500ms ease-in-out;
        -o-transition: all 500ms ease-in-out;
    }

    .nav_toggle.active span {
        background-color: transparent;
    }

    .nav_toggle.active span:before,
    .nav_toggle.active span:after {
        top: 0;
    }

    .nav_toggle.active span:before {
        transform: rotate(45deg);
        -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
    }

    .nav_toggle.active span:after {
        transform: translateY(-10px) rotate(-45deg);
        -webkit-transform: translateY(-10px) rotate(-45deg);
        -ms-transform: translateY(-10px) rotate(-45deg);
        top: 10px;
    }

    /*移动端导航*/
    .m_header .m_nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        bottom: 0;
        width: 100%;
        background: #fff;
        z-index: 2;
        overflow: auto;
        border-top: 1px solid #f0f0f0;
        margin-top: -1px;
    }

    .m_header .m_nav_list > li a span {
        display: block;
        width: 100%;
        padding: 0 15px;
        line-height: 35px;
        text-align: left;
        font-size: 16px;
        color: #5e6063;
    }

    .m_header .m_nav_list > li {
        position: relative;
        border-bottom: 1px solid #f0f0f0;
        transition: transform .5s ease;
        transform: matrix(1, -1, 0, 1, 200, 100);
    }

    .m_header .m_nav_list > li > i {
        position: absolute;
        width: 20px;
        height: 20px;
        background: #000;
        top: 8px;
        right: 10px;
        background: url("/public/static/images/home/en-us/reset/li_click.png") no-repeat top center;
    }

    .m_header .m_nav_list > li > a {
        opacity: 0;
    }

    .m_header .m_nav_list .dropdown .dropdown_menu {
        height: 0;
        overflow: hidden;
    }

    .m_header .m_nav_list .dropdown .dropdown_menu.on {
        height: auto;
    }

    .m_header .m_nav_list .dropdown_menu > li {
        border-top: 1px solid #f0f0f0;
        background: #f5f5f5;
    }
    .m_header .m_nav_list .dropdown_menu > li a{
        font-size: 14px;
        color: #5e6063;
        line-height: 30px;
        padding: 0 30px;
    }
    .index_banner .txt2 p, .index_banner .txt3 p{
        font-size: 22px;
    }
    .index_banner .txt2 a, .index_banner .txt3 a,.index_banner .txt1 a{
        width: 200px;
        height: 40px;
        line-height: 40px;
        font-size: 22px;
    }
    .index_banner .txt1 a{
        font-size: 18px;
    }
    .index_banner .txt1{
        padding-top: 50px;
    }
    .index_box2 .items .item .txt img{
        width: 60px;
    }
    .fast_navigation .index_contact a{
        display: block;
        margin-left: 0px;
    }
    .index_box4 .text .item{
        width: 50%;
        margin-bottom: 20px;
    }
    .index_box4 .text .item p{
        max-width: none;
    }
    .about_box3 .item{
        width: 50%;
    }
    .about_box6 .items .img{
        width: 20%;
    }
    .about_box7 .txt h2{
        padding-bottom: 20px;
    }
    .contact_box2 .item_left{
        padding-right: 20px;
        padding-left: 20px;
    }
    .contact_box2 .item_left .txt{
        width: auto;
    }
    .index_contact{
        flex-wrap: wrap;
    }
    .index_contact .title_box{
        display: block;
        width: 100%;
    }
    .fast_navigation .index_contact h2{
        margin: 0;
        margin-bottom: 10px;
        line-height: 1.2em;
    }
    .index_box4{
        padding-bottom: 25px;
    }
    .index_box4 .cpy_bg{
        display: block;
        margin-bottom: 20px;
    }
    .index_box4 .text{
        padding-top: 40px;
    }
    .index_box4{
        padding-top: 0;
    }
    .index_box4 .txt{
        transform: translateY(0px);
    }
    .index_box4 .txt h2,
    .index_box4 .text .item h3,
    .index_box4 .text .item h3 span{
        font-size: 36px;
    }
    .index_contact{
        margin-bottom: 20px;
    }
    .fast_navigation{
        padding-bottom: 0;
    }
    .about_box5 .tit.tit_left,.about_box5 .tit.tit_right{
        width: 100%;
    }
    .index_box4{
        background: unset;
    }
    .index_box4 .text .item h3, .index_box4 .text .item h3 span, .index_box4 .text .item p{
        color: #000;
    }
    .about_box3 .tip,.about_box3 .container_1600 .img{
        width: 100%;
    }
    .about_box3 .tip{
        margin-bottom: 30px;
    }
    .about_box3 .container_1600{
        padding: 40px 0;
    }
    .about_box3 .tip h2{
        font-size: 37px;
        color: #353535;
        font-weight: bold;
        text-align: center;
        padding-top: 0;
        padding-bottom: 20px;
        padding-left: 20px;
        padding-right: 20px;
    }
    .about_box3 .tip h2:after{
        display: none;
    }
    .index_box4 .txt p{
        max-width: 100%;
    }
    .about_box3 .content h2{
        padding-top: 10px;
        padding-bottom: 0;
    }
    .fast_navigation h2{
        padding-bottom: 0;
        margin-top: 10px;
    }
}
@media (max-width: 767px) {
    #back_top{
        overflow: hidden;
    }
    .form_fixed_button{
        width: 180px;
        height: 30px;
        margin-left: 94px;
    }
    .form_fixed_button span{
        line-height: 30px;
        font-size: 12px;
        background: url("/public/static/images/home/en-us/reset/fixed_form.png")no-repeat left center;
        background-size: 12%;
    }
    .fast_navigation{
        padding-top: 0;
    }
    .fast_navigation .col_lg_10{
        width: 100%;
    }
    .footer_copyright .text{
        text-align: center;
        margin-bottom: 10px;
    }
    .footer_copyright p span, .footer_copyright p a, .footer_copyright p{
        line-height: 1.4;
    }
    .index_box2 .items{
        flex-wrap: wrap;
        justify-content: center;
    }
    .index_box2 .items .item{
        text-align: center;
        width: 100%;
        margin-bottom: 20px;
    }
    .index_box2 .items .item .txt{
        bottom: 170px;
    }
    .index_box2 .items .item .txt p{
        font-size: 22px;
        padding: 0 40px;
    }
    .index_box3_slick .txt h2{
        font-size: 30px;
    }
    .index_box4{
        background: unset;
    }
    .index_box4 .text .item h3, .index_box4 .text .item h3 span,.index_box4 .text .item p   {
        color: #000;
    }
    .index_box4 .text .item{
        width: 100%;
        text-align: center;
        margin-bottom: 20px;
    }
    .index_box4 .text .item p{
        max-width: none;
    }
    .index_banner .txt3 h2{
        font-size: 30px;
        padding-bottom: 20px;
    }
    .index_banner .txt2 p, .index_banner .txt3 p,.index_banner .txt1 p{
        margin-bottom: 20px;
    }
    .index_banner .txt1 p{
        font-size: 16px;
    }
    .about_box3 .item{
        width: 100%;
        height: 154px;
        padding-top: 40px;
        margin-bottom: 20px;
    }
    .about_box3 .img_bor{
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .tit h3:before{
        display: none;
    }
    .about_box2{
        padding-top: 30px;
    }
    .about_box3 .content h2{
        font-size: 30px;
    }
    .about_box2 h1{
        font-size: 30px;
        margin-bottom: 30px;
    }
    .about_box7 .txt p{
        font-size: 15px;
    }
    .contact_box1 .item1, .contact_box1 .item2{
        width: 100%;
    }
    .contact_box1{
        flex-wrap: wrap;
    }
    .contact_box1 .con_follow{
        position: static;
        width: 100%;
    }
    .contact_box1 .img{
        display: none;
    }
    .contact_box1 .con_right{
        width: 100%;
        margin-bottom: 20px;
        padding-left: 20px;
        padding-right: 20px;
    }
    .contact_box2 .item_left{
        width: 100%;
        margin-bottom: 20px;
    }
    .contact_box2 .item_right{
        width: 100%;
    }
    .index_box2 h2{
        font-size: 25px;
    }
    .index_box2 .items .item .txt img{
        width: auto;
    }
    .contact_box2 .item_left .txt{
        padding-left: 0px;
    }
    .index_box2 .txt{
        padding-left: 0;
    }
    a.btn{
        margin-left: 0;
        margin-top: 20px;
        width: 180px;
        height: 45px;
        line-height: 45px;
    }
    .about_box3 .item h2,
    .about_box3 .item h2 span{
        font-size: 36px;
    }
    .about_box6{
        padding-top: 40px;
    }
    .about_box4 .imgs{
        flex-wrap: wrap;
    }
    .about_box4 .imgs .img{
        width: 100%;
        text-align: center;
        line-height: 0;
    }
    #google_map{
        height: 400px;
    }
    .contact_box1 .con_right .form .input{
        flex-wrap: wrap;
    }
    .contact_box1 .con_right{
        padding-left: 10px;
        padding-right: 10px;
    }
    .contact_box2 .item_left .txt h2,.contact_box1 .con_right h1{
        font-size: 26px;
    }
    .contact_box2 .item_left,.contact_box1 .con_right{
        padding-top: 20px;
    }
    .about_box3 .content{
        position: static;
    }
    .about_box3 .content h2{
        color: #353535;
    }
    .about_box3 .content p{
        width: 100%;
        padding: 0 10px;
        color: #000;
    }


}
@media (max-width: 640px){

}
@media (max-width: 580px){
    .index_box2 .items .item .txt{
        bottom: 0px;
    }
    .fast_navigation .index_contact h2{
        font-size: 25px;
    }
    .fast_navigation .index_contact a{
        width: 150px;
        height: 40px;
        line-height: 40px;
        font-size: 16px;
    }
    .index_box2 .items .item .txt p{
        padding: 0px;
        font-size: 16px;
    }
    .about_box2 h1{
        font-size: 26px;
    }
    .about_box6 .items .img{
        width: 30%;
        margin: 3px;
    }
    .about_box5 .tit.tit_left,.about_box5 .tit.tit_right{
        width: 100%;
        padding-top: 20px;
    }
    .about_box4 h2,.about_box5 h2,.about_box5 h2, .about_box6 h2,.about_box3 .tip h2{
        font-size: 26px;
    }
    .about_box5 .tit{
        padding-top: 40px;
    }
    .about_box3 .content h2{
        font-size: 26px;
    }
}
@media (max-width: 480px) {
    .index_box2 .items .item{
        width: 92%;
    }
    .index_banner .txt1{
        padding-left: 0;
    }
    .index_banner .txt1{
        padding-top: 0;
    }
    .index_banner .txt2 p, .index_banner .txt3 p{
        font-size: 16px;
    }
    .index_banner .txt3 h2{
        font-size: 22px;
    }
    .index_banner .txt1 p{
        text-align: center  ;
    }
    .index_banner .txt1{
        text-align: center;
    }
    .index_box2 h2,.index_box4 .txt h2{
        font-size: 30px;
    }
    .index_box2 .txt{
        padding-left: 0;
    }
    a.btn{
        margin-left: 0;
    }
    .index_box3{
        padding-bottom: 20px;
        padding-top: 20px;
    }
    .index_box4{
        padding-top: 0;
    }
    .index_box3_slick .txt{
        padding-bottom: 20px;
    }


}
.faq_box .col_lg_6,.news_box .col_lg_6,.download_box .col_lg_6{
    position: sticky;
    top: 0;
}

.about_banner{
    width: 100%;
    height: auto;
    position: relative;
}
.about_banner_content{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
}
.about_banner_content h1{
    font-size: 48px;
    color: #fff;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
}
.about_banner_content p{
    font-size: 40px;
    color: #fff;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    margin-top: 10px;
}
@media (max-width: 768px) {
    .about_banner_content h1{
        font-size: 24px;
    }
    .about_banner_content p{
        font-size: 20px;
    }
}