.clear{height: auto;}

.w1400,.w1550,.w1722{margin: 0px auto;}
.w1400{width:1280px;}
.w1550{width:1550px;}
.w1722{max-width:1722px;}
.ab_ban{height:920px;}
.ab_main1{margin-top:-170px;margin-bottom:130px;}
.ab_main1 .w1550{padding-left:100px;}
.ab_main1 .floatLeft{width:500px;padding-top:110px;}
.ab_main1 h3{font-size:36px;line-height:45px;color:#3e3a39;margin-bottom:20px;}
.ab_main1 h3 font{display:block;font-size:40px;line-height:64px;color:#fff;}
.ab_main1 h4{font-size:23px;color:#3e3a39;margin-bottom:5px;}
.ab_main1 span{display:block;width:500px;height:1px;background-color:#696968;margin-bottom:70px;}
.ab_main1 span font{display:block;width:260px;height:5px;background-color:#000;}
.ab_main1 p{font-size:14px;line-height:28px;color:#727171;margin-bottom:40px;}
.ab_main1 h5{font-size:12px;line-height:16px;color:#727171;letter-spacing:0px;margin-bottom:18px;text-transform:none;}
.ab_main2>div{height:513px;background:url(../../images/home/culture/culture_03.jpg) #535354 no-repeat left center;margin-bottom:30px;}
.ab_main2 .text{width:721px;height:513px;padding:80px 65px 0px;float: right;background-color:#535354;}
.ab_main2 h3{font-size:30px;line-height:34px;color:#fff;margin-bottom:10px;text-align: center;}
.ab_main2 h4{font-size:14px;line-height:18px;color:#fff;margin-bottom:80px;text-align: center;}
.ab_main2 span{display:block;margin-bottom:60px;}
.ab_main2 span font{display:block;width:260px;height:5px;background-color:#fff;}
.ab_main2 p{font-size:14px;line-height:28px;color:#fff;margin-bottom:40px;}
.ab_main2 h5{font-size:12px;line-height:24px;color:#fff;letter-spacing:0px;text-transform:none;}
.ab_main3{margin-bottom:100px;}
.ab_main3>div::after{content:'';display: block;clear: both;}
.ab_main3>div>div{float:left;}
.ab_main3>div>div:nth-child(1){width:33%;}
.ab_main3>div>div:nth-child(2){width:34%;text-align: center;}
.ab_main3>div>div:nth-child(3){width:33%;text-align: right;}
.ab_main4>.w1722{position:relative;}
.ab_main4>.w1722>.bg{position:absolute;top:196px;right:0px;bottom:205px;left:0px;background-color:#f9f9f9;}
.ab_main4 .floatLeft img,.ab_main4 .floatRight img{display:block;}
.ab_main4 h1{font-size:64px;line-height:64px;color:#ececec;letter-spacing:0px;text-transform:none;}
.ab_main4 h5{font-size:14px;line-height:28px;color:#767575;letter-spacing:0px;text-transform:none;}
.ab_main4 h3{font-size:30px;line-height:56px;color:#3e3a39;margin-bottom:10px;padding:0px 15px;}
.ab_main4 h4{font-size:26px;line-height:36px;color:#3e3a39;margin-bottom:20px;}
.ab_main4 span{display:block;width:550px;height:1px;background-color:#000;margin-bottom:40px;}
.ab_main4 span font{display:block;width:290px;height:5px;background-color:#000;}
.ab_main4 p{font-size:16px;line-height:30px;color:#000;margin-bottom:10px;}
.ab_main4_01{margin-bottom:100px;}
.ab_main4_01 .floatRight{width:555px;text-align: right;}
.ab_main4_01 h1{margin:0px;}
.ab_main4_01 h5{margin-bottom:140px;}
.ab_main4_01_txt{padding-right: 50px;position:relative;display: block;clear: both;}
.ab_main4_01_txt::after{content:'';position:absolute;right:25px;top:25px;width:2px;height:145px;background-color:#000;display: block;}
.ab_main4_02{margin-bottom:100px;}
.ab_main4_02 h1{margin:0px;}
.ab_main4_02_txt{padding-left: 150px;position:relative;display: block;clear: both;}
.ab_main4_02_txt::after{content:'';position:absolute;left:0px;top:25px;width:145px;height:2px;background-color:#000;display: block;}
.ab_main4_03{margin-bottom:100px;}
.ab_main4_03 .floatRight{width:600px;}
.ab_main4_03_txt{padding-left: 50px;position:relative;display: block;clear: both;}
.ab_main4_03_txt::after{content:'';position:absolute;left:0px;top:25px;width:2px;height:145px;background-color:#000;display: block;}


@-webkit-keyframes fadeInLeft{
    0%{opacity:0;-webkit-transform:translate3d(-100%,0,0);transform:translate3d(-100%,0,0);}
    100%{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInLeft{
    0%{opacity:0;-webkit-transform:translate3d(-100%,0,0);transform:translate3d(-100%,0,0);}
    100%{opacity:1;-webkit-transform:none;transform:none;}
}
.fadeInLeft{-webkit-animation-name:fadeInLeft;animation-name:fadeInLeft;}

@-webkit-keyframes fadeInRight {
    0%{opacity:0;-webkit-transform:translate3d(100%,0,0);transform:translate3d(100%,0,0);}
    100%{opacity:1;-webkit-transform:none;transform:none;}
}
@keyframes fadeInRight {
    0%{opacity:0;-webkit-transform:translate3d(100%,0,0);transform:translate3d(100%,0,0);}
    100%{opacity:1;-webkit-transform:none;transform:none;}
}
 .fadeInRight{-webkit-animation-name:fadeInRight;animation-name:fadeInRight;}


@media screen and (max-width: 1650px) {
    .w1550{width:94%;}
    .ab_main3>div>div:nth-child(1){width:32%;}
    .ab_main3>div>div:nth-child(2){width:32%;text-align: center;margin:0 2%;}
    .ab_main3>div>div:nth-child(3){width:32%;text-align: right;}

    .ab_main4{position:relative;}
    .ab_main4>.floatRight{position:absolute;right:0px;width:595px;height:100%;padding:20px;background-color:rgba(255,255,255,0.9);}
    .ab_main5{position:relative;}
    .ab_main5 .floatLeft{position:absolute;left:0px;z-index:99;width:440px;height:100%;padding:20px;background-color:rgba(255,255,255,0.9);}
}

@media screen and (max-width: 1280px) {
    .w1400{width:94%;}
    .ab_main4 .floatLeft,.ab_main4 .floatRight{width:50%;}
}

@media screen and (max-width: 768px) {
    .w1400,.w1550,.ab_main1 .floatLeft,.ab_main1 span,.ab_main2 .text,.ab_main2 span,.ab_main3 .text,.ab_main3 span,.ab_main4 .text,.ab_main4 span,.ab_main5 .text,.ab_main5 span{width:94%;}
    .ab_main4 .floatLeft,.ab_main4 .floatRight{width:100%;}
    .ab_ban{height:300px;background-size: 1200px !important;background-position: -100px center !important;}
    .ab_main1{margin-bottom:50px;}
    .ab_main1 h3{font-size:26px}
    .ab_main1 h3 font{font-size:30px}
    .ab_main1 span{margin-bottom:10px;}
    .ab_main1 p{margin-bottom:20px;}
    .ab_main1 p,.ab_main2 p,.ab_main3 p,.ab_main4 p,.ab_main5 p{font-size:12px;line-height:20px;}
    .ab_main1 h5{line-height:20px;margin-bottom: 9px;}
    .ab_main2 h5,.ab_main3 h5,.ab_main4 h5,.ab_main5 h5{line-height:24px;}
    .ab_main2{height:auto;}
    .ab_main2>div {height: auto;background: url(../../images/home/culture/culture_03.jpg) #535354 no-repeat center top;background-size: contain;}
    .ab_main2 .text{width:100%;height: auto;margin-top: 200px;padding:20px 15px 0px;}
    .ab_main2 h3,.ab_main3 h3,.ab_main4 h3,.ab_main5 h3{font-size:26px;line-height:40px;}
    .ab_main2 span,.ab_main3 span,.ab_main4 span,.ab_main5 span{margin-bottom:20px;}
    .ab_main2 p{margin-bottom:20px;}
    .ab_main2 h4 {margin-bottom:20px;}
    .ab_main3{width: 94%;margin: 0px auto 20px;}

    .ab_main4 h1{font-size:26px;line-height: 30px;margin-top: 10px;}
    .ab_main4 h5{font-size:12px;margin-bottom: 5px;}
    .ab_main4 h3{padding:0px;}
    .ab_main4_01,.ab_main4_02,.ab_main4_03{margin-bottom: 20px;}
    .ab_main4_01_txt{padding-right:0px;text-align:left;}
    .ab_main4_01_txt::after{display:none;}
    .ab_main4_02_txt{padding-left:0px;margin-top: 10px;}
    .ab_main4_02_txt::after{display:none;}
    .ab_main4_03_txt{padding-left:0px;margin-top: 10px;}
    .ab_main4_03_txt::after{display:none;}
}