html.act{overflow: hidden;width: 100%;height: 100vh;}

ul,ul li,ol li,tr td,dl,dd{ list-style-type:none; margin:0; padding:0; }

@font-face{  font-family: "Barlow Condensed Bold"; src: url(../fonts/barlowcondensed-bold.ttf);}
@font-face{  font-family: "Barlow Condensed"; src: url(../fonts/barlowcondensed-regular.ttf);}
@font-face{  font-family: "Barlow Condensed Medium"; src: url(../fonts/barlowcondensed-medium.ttf);}

.clearfix { *zoom:1; }

a {
    cursor: pointer;
    color: inherit;
}

textarea,select{ outline:none;  color:#666; font-size:14px; width:100%;}

img[src=""]{opacity: 0;}

.f_12{ font-size:12px; }

.f_16{ font-size:16px; }

.f_18{ font-size:18px; }

.f_20{ font-size:20px; }

.f_22{font-size: 22px;}

.f_24{ font-size:24px; }

.f_26{ font-size:26px; }

.f_28{ font-size:28px; }

.f_30{ font-size:30px; }

.f_32{ font-size:32px; }

.f_34{ font-size:34px; }

.f_36{ font-size:36px; }

.f_38{ font-size:38px; }

.f_40{font-size: 40px;}

.f_48{font-size: 48px;}

.f_50{font-size: 50px;}

.f_56{font-size: 56px;}

.f100{font-weight: 100;}


html {
    scroll-padding-top: 160px;
    scroll-behavior: smooth;
}

body {
    background: #fff;
}
.ab{padding: 80px 0 0;}
.a_fixed {position: fixed;left:0;right:0;top:90px;margin-top:0;z-index: 99}

/* 关于 */

.banner{position: relative;overflow: hidden;}
.banner img{display: block;width: 100%;}



.a_nav{background: #f5f8fa;border-bottom: 1px solid #e6e9eb;line-height: 70px;height: 70px;}

.a_nav .a_nav_box{display: flex;font-size: 20px;}

.a_nav .a_nav_box a{display: block;position: relative;color: #555;margin-right: 80px;height: 70px;}

.a_nav .a_nav_box a s{display: none;width: 15px;height: 15px;position: absolute;left: 50%;bottom: -7.5px;transform:translateX(-50%);z-index: 3;border: 3px solid #005d73;border-radius: 50%;background: #fff;}

.a_nav .a_nav_box a.act{color: #005d73;}

.a_nav .a_nav_box a:hover{color: #005d73;}

.a_nav .a_nav_box a.act s{display: block}


.ab1 .title{
    text-align: center;
}
.ab1 .title .cn{
    color: #000;
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    margin-bottom: 10px;
}
.ab1 .title .en{
    color: #ebebeb;
    font-size: 50px;
    font-weight: 600;
    opacity: .6;
}
.ab1 .intro {
    padding-top: 30px;
}
.ab1 .intro p {
    font-size: 16px;
    line-height: 36px;
    text-align: justify;
    text-indent: 32px;
    color: #333;
}
.ab1 #company_pic {
    margin-top: 30px;
    transform: scale(0.6);
    transition: transform 1.5s ease, -webkit-transform 1.5s ease;
}

.ab1 #company_pic.on {
    transform: scale(1);
}




.ab2 {
    width:100%;
    height:100vh;
    position: relative;
}
.wave_box {
    width:100%;
    position: absolute;
    top:40%;
    left:0;
}
.wave-line1 {
    width: 100%;
    height: 113px;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
    background-image: url('http://cck-group.com/public/images2/line1.png');
    background-position: 0px center;
    background-repeat: repeat-x;
    animation: animatedline 8s linear infinite alternate;
    -webkit-animation: animatedline 8s linear infinite alternate;
}
.wave-line2 {
    width: 100%;
    height: 112px;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
    background-image: url('http://cck-group.com/public/images2/line2.png');
    background-position: 0px center;
    background-repeat: repeat-x;
    animation: animatedline 8s linear infinite alternate;
    -webkit-animation: animatedline 8s linear infinite alternate;
}
@-webkit-keyframes animatedline {
    from {
        background-position: 0% center;
    }
    to {
        background-position: 100% center;
    }
}
@keyframes animatedline {
    from {
        background-position: 0% center;
    }
    to {
        background-position: 100% center;
    }
}


.up_down {
    -webkit-animation: up_down 4s linear 1s infinite;
    animation: up_down 4s linear 1s infinite;
}
@-webkit-keyframes up_down {
    0% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    50% {
        -webkit-transform: translateY(90px);
        transform: translateY(90px);
    }
    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}
@keyframes up_down {
    0% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    50% {
        -webkit-transform: translateY(90px);
        transform: translateY(90px);
    }
    100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

.year_swiper {
    width:100%;
    position: absolute;
    top:25%;
    left:0;
}
.year_swiper .swiper-slide {
    text-align: center;
    color:#fff;
    font-size: 18px;
}

.year_swiper .swiper-slide .doc {
    background-color: #fff;
    border-radius: 50%;
    width: 15px;
    height: 15px;
    margin: 20px auto auto;
    position: relative;
    -webkit-transition: background-color .3s ease-out;
    transition: background-color .3s ease-out;
}
.year_swiper .swiper-slide .doc:before {
    background-color: #fff;
    border-radius: 50%;
    content: "";
    height: 100%;
    left: 0;
    opacity: .2;
    position: absolute;
    top: 0;
    -webkit-transform: scale(2);
    transform: scale(2);
    -webkit-transition: background-color .3s ease-out;
    transition: background-color .3s ease-out;
    width: 100%
}

.year_swiper .swiper-slide.swiper-slide-active .year{
    color:#fd0303;
}
.year_swiper .swiper-slide.swiper-slide-active .doc,.year_swiper .swiper-slide.swiper-slide-active .doc:before {
    background-color: #fd0303;
}

.history_swiper {
    width:40vw;
    height:40vh;
    position: absolute;
    bottom:5%;
    left:50%;
    transform: translateX(-50%);
    text-align: center;
}
.history_swiper .swiper-slide .year{
    color:#fff;
    font-size: 1.2vw;
    font-weight: bold;
    margin-bottom: 30px;
}
.history_swiper .swiper-slide .desc p{
    line-height: 32px;
    margin-bottom: 10px;
}
.history_swiper .swiper-slide .desc {
    color:#fff;
    font-size: 1vw;
    margin-bottom: 20px;
    line-height: 32px;
}

.ab2 .navigation .his_prev{position:absolute;left:5%;top:50%;width:71px;height:71px;margin-top:-35.5px;background:url(../images/banner_quan.png) no-repeat left top;z-index:9}
.ab2 .navigation .his_prev_left{position:absolute;top:50%;left:5%;margin-left:28px;width:12px;height:20px;margin-top:-10px;z-index:5;background:url(../images/banner_jt.png) no-repeat left -21px;}

.ab2 .navigation .his_next{position:absolute;right:5%;top:50%;width:71px;height:71px;margin-top:-35.5px;background:url(../images/banner_quan.png) no-repeat right top;z-index:9}
.ab2 .navigation .his_next_right{position:absolute;top:50%;right:5%;margin-right:28px;width:12px;height:20px;margin-top:-10px;z-index:5;background:url(../images/banner_jt.png) no-repeat right -21px;}

.ab2 .his_prev:hover,.ab2 .his_next:hover {
    animation: rotation 0.1s linear infinite
}
@keyframes rotation{
    from {-webkit-transform: rotate(0deg);}
    to {-webkit-transform: rotate(360deg);}
}







.ab3 .title {
    color: #000;
    font-size: 2vw;
    font-weight: 700;
    margin-bottom: 10vh;
}
.ab3 {margin-bottom: 5vh}



.ab4 .title {
    color: #000;
    font-size: 2vw;
    font-weight: 700;
    margin-bottom: 5vh;
}



.jyfz {
    margin-top: 30px;
    box-shadow: 0 0 5px rgba(0, 0, 0, .11);
    border-radius: 20px;
    overflow: hidden;
}
.jyfz .top {
    background-color: #005d73;
    line-height: 1;
    color:#fff;
    padding: 20px 25px;
    font-size: 18px;
}
.jyfz ul {
    height:150px;
    width: 100%;
}
.jyfz li {
    float: left;
    width:33.3333%;
}
.jyfz li i {
    font-size: 50px;
    margin-right: 10px;
    color:#005d73;
}
.ab4 {
    padding:50px 0;
}
.ab4 .jyln {
    padding: 25px;
    box-shadow: 0 0 5px rgba(0, 0, 0, .11);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    width:400px;
    height: 150px;
}
.ab4 .jyln:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 100%;
    background-color: #e8e8e8;
}
.ab4 .jyln .tit {
    padding-bottom: 15px;
    position: relative;
    line-height: 1;
    color: #005d73;
    font-size: 18px;
}
.ab4 .jyln .tit:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 1px;
    background-color: #005d73;
}
.ab4 .jyln .des {
    padding-top: 20px;
    position: relative;
    line-height: 1;
    color: #686868;
    font-size: 16px;
}