@-ms-viewport {width:device-width;}
html {box-sizing:border-box;-ms-overflow-style:scrollbar}
*,*::before,*::after {box-sizing:inherit;}
.container {margin-left:auto;margin-right:auto;padding-left:15px;padding-right:15px;width:100%;}
@media only screen and (min-width:992px) {.container {max-width:900px}}
@media only screen and (min-width:1200px) {.container {max-width:1170px}}

.row {display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-left:-15px;margin-right:-15px;}
.no-gutters {margin-left:0; margin-right:0;}
.align-items-center {align-items:center !important;-ms-flex-align:center !important;}
.justify-content-center {-ms-flex-pack:center !important;justify-content:center !important;}
.no-gutters > .col,.no-gutters > [class*=col-] {padding-left:0;padding-right:0;}
.col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12,.col,.col-auto,.col-5ths {min-height:1px;padding-left:15px;    padding-right:15px;position:relative;width:100%;}
.col {flex-basis:0;flex-grow:1;-ms-flex-positive:1;-ms-flex-preferred-size:0;max-width:100%}
.col-auto {-ms-flex:0 0 auto;flex:0 0 auto;max-width:none;    width:auto;}
.col-1 {-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}
.col-2 {-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}
.col-3 {-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}
.col-4 {-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}
.col-5 {-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}
.col-6 {-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}
.col-7 {-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}
.col-8 {-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}
.col-9 {-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}
.col-10 {-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}
.col-11 {-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}
.col-12 {-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}
.col-5ths {-ms-flex:0 0 20%;flex:0 0 20%;max-width:20%}
@media only screen and (min-width:768px) {
    .col-ms-1,.col-ms-2,.col-ms-3,.col-ms-4,.col-ms-5,.col-ms-6,.col-ms-7,.col-ms-8,.col-ms-9,.col-ms-10,.col-ms-11,.col-ms-12,.col-ms,.col-ms-auto,.col-ms-5ths {min-height:1px;padding-left:15px;padding-right:15px;position:relative;width:100%;}
    .col-ms {flex-basis:0;flex-grow:1;-ms-flex-positive:1;-ms-flex-preferred-size:0;max-width:100%}
    .col-ms-auto {-ms-flex:0 0 auto;flex:0 0 auto;max-width:none;    width:auto;}
    .col-ms-1 {-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}
    .col-ms-2 {-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}
    .col-ms-3 {-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}
    .col-ms-4 {-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}
    .col-ms-5 {-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}
    .col-ms-6 {-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}
    .col-ms-7 {-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}
    .col-ms-8 {-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}
    .col-ms-9 {-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}
    .col-ms-10 {-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}
    .col-ms-11 {-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}
    .col-ms-12 {-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}
    .col-ms-5ths {-ms-flex:0 0 20%;flex:0 0 20%;max-width:20%}
    }
    @media only screen and (min-width:992px) {
        .col-md-1,.col-md-2,.col-md-3,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8,.col-md-9,.col-md-10,.col-md-11,.col-md-12,.col-md,.col-md-auto,.col-md-5ths {min-height:1px;padding-left:15px;padding-right:15px;position:relative;width:100%;}
        .col-md {flex-basis:0;flex-grow:1;-ms-flex-positive:1;-ms-flex-preferred-size:0;max-width:100%}
        .col-md-auto {-ms-flex:0 0 auto;flex:0 0 auto;max-width:none;    width:auto;}
        .col-md-1 {-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}
        .col-md-2 {-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}
        .col-md-3 {-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}
        .col-md-4 {-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}
        .col-md-5 {-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}
        .col-md-6 {-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}
        .col-md-7 {-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}
        .col-md-8 {-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}
        .col-md-9 {-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}
        .col-md-10 {-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}
        .col-md-11 {-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}
        .col-md-12 {-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}
        .col-md-5ths {-ms-flex:0 0 20%;flex:0 0 20%;max-width:20%}
        }
body {background-color:#fff;font-family:Microsoft Yahei,Arial,sans-serif;font-size:14px;line-height:1.5;margin:0;padding:0;}
h1,h2,h3,h4 {font-weight:400;line-height:1;margin:0;}
h2 {color:#333;font-size:36px;font-weight:700;}
h3 {color:#333;font-size:24px;font-weight:700;}
h4 {color:#333;font-size:18px;}
a {color:#212121;text-decoration:none;}
a:hover,a:active,a.active {color:#ffc107;}
ul {list-style:none;margin:0;padding:0}
p {color:#525a66;}
small {font-size:16px;}
.img-fluid {height:auto; max-width:100%;}
.talk {cursor:pointer;}

.media {display:table;line-height:0;overflow:hidden;position:relative;}
.lazyimg {-moz-transition:all 1s;-webkit-transition:all 1s;transition:all 1s;    transition-duration:.5s;width:100%;}
.lazyimg:hover {-moz-transform:scale(1.2);-ms-transform:scale(1.2);-o-transform:scale(1.2);    -webkit-transform:scale(1.2);transform:scale(1.2);}
img {border:0;}


/**header**/
header{position: relative;height: 42px;background-color: #ffffff;}
header .container{position: relative;}
header .logo{width: 148px;position: absolute;left: 0;z-index: 999;}
header .menu{display:none;position: relative;font-size: 14px;color: #000f24;text-align: center;}
header .menu ul li{display: inline-block;}
header .menu ul li a{padding: 10px 15px;line-height: 42px;}
header .phone{position: absolute;right: 0;z-index: 999;line-height: 42px;top: 0;}
header .phone a{display: block;}
header .phone i{display:inline-block;width: 14px;height: 14px;background-image: url(../images/ico/phone.webp);background-size: 100% 100%;margin-right: 10px;vertical-align: middle;}
header .phone span{display:inline-block;font-size: 14px;color: #000f24;text-align: center;vertical-align: middle;}


/**banner**/
.banner{display: none;}
.banner .new_shebei img{width: 100%;display: block;}


.nk-jianjie{padding-top:30px;padding-bottom:30px;}
.nk-jianjie .word{float:left;width:40%;}
.nk-jianjie .word h2{margin-bottom:20px;color:#000f24;font-size:25px;  font-weight: inherit;}
.nk-jianjie .word p{font-size:14px;line-height:1.875;}
.nk-jianjie .image{display: none;}


.nk-zucheng {padding-top:30px;background-color:#eaf6fd;padding-bottom:30px;}
.nk-zucheng .title h2 {color:#000f24;font-size:25px;  font-weight: inherit;text-align:center;margin-bottom:20px;}
.nk-zucheng .title span {font-size:14px;line-height:1.875;display:block;margin-left:auto;margin-right:auto;max-width:820px;text-align:center;}
.nk-zucheng:after{content: " ";clear:both;height:0;}
.nk-zucheng .body{margin-left:0;margin-right:0;margin-top:30px;}
.nk-zucheng-tabs{padding-left: 0;padding-right:0;}
.nk-zucheng-tabs,.nk-zucheng-tabs_item {position:relative;}
.nk-zucheng-tabs .nk-zucheng-tabs_item{width:50%;height:50px;float:left;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(1) div{background-image: url(../images/nk_1_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(2) div{-webkit-animation-delay:.15s;animation-delay:.15s;background-image: url(../images/nk_2_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(3) div{-webkit-animation-delay:.3s;animation-delay:.3s;background-image: url(../images/nk_3_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(4) div{background-image: url(../images/nk_4_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(5) div{background-image: url(../images/nk_5_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(6) div{background-image: url(../images/nk_6_bg.jpg);background-size: 100% 100%;}
.nk-zucheng-tabs_item div {cursor: pointer;height:100%;position:relative;width:100%;border-top: solid 1px #c4dcf4;border-right: solid 1px #c4dcf4;-webkit-animation-delay:.15s;animation-delay:.15s;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(1) div,
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(3) div,
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(5) div{border-left:solid 1px #c4dcf4;}
.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(5) div,.nk-zucheng-tabs .nk-zucheng-tabs_item:nth-child(6) div{border-bottom:solid 1px #c4dcf4;}
.nk-zucheng-tabs_item div span {bottom:0;color:#525a66;display:block;font-size:14px;top: 26%;position:absolute;text-align:center;transition:all ease 0.15s;width:100%;}
.nk-zucheng-tabs_item:hover div span,.nk-zucheng-tabs_item.active div span {color:#ffffff;}
.nk-zucheng-tabs_item:hover div,.nk-zucheng-tabs_item.active div{background-color: #3671cf;background-image: none !important;-webkit-animation-delay:.15s;animation-delay:.15s;}
.nk-zucheng_content{padding-left: 0;padding-right:0;}
.nk-zucheng_content .item {display:none;}
.nk-zucheng_content .item:nth-of-type(1) {display:block;}
.nk-zucheng_content .item .nk-zucheng_content_item {position:relative;transition:all ease 0.45s;}


.nk-gongyi {padding-top:30px;}
.nk-gongyi .title h2 {color:#000f24;font-size:25px;  font-weight: inherit;text-align:center;margin-bottom:20px;}
.nk-gongyi .body{margin-top:30px;}
.nk-gongyi-tabs,.nk-gongyi-tabs_item {position:relative;}
.nk-gongyi-tabs .nk-gongyi-tabs_item{width:100%;height:50px;float:left;}
.nk-gongyi-tabs .nk-gongyi-tabs_item:nth-child(1)::after,
.nk-gongyi-tabs .nk-gongyi-tabs_item:nth-child(2)::after,
.nk-gongyi-tabs .nk-gongyi-tabs_item:nth-child(3)::after,
.nk-gongyi-tabs .nk-gongyi-tabs_item:nth-child(4)::after,
.nk-gongyi-tabs .nk-gongyi-tabs_item:nth-child(5)::after{content: "";height:4px;background-color: #ffffff;width: 100%;position: absolute;bottom:0;left:0;;}
.nk-gongyi-tabs_item div {cursor: pointer;height:100%;position:relative;width:100%;background-color: #eaf6fd;}
.nk-gongyi-tabs_item div span {color:#525a66;top:26%;display:block;font-size:14px;position:absolute;left:20px;transition:all ease 0.15s;}
.nk-gongyi-tabs_item:hover div span,.nk-gongyi-tabs_item.active div span {color:#ffffff;}
.nk-gongyi-tabs_item:hover div,
.nk-gongyi-tabs_item.active div{background-color: #3671cf;background-image: none !important;-webkit-animation-delay:.15s;animation-delay:.15s;}
.nk-gongyi_content .item {display:none;}
.nk-gongyi_content .item:nth-of-type(1) {display:block;}
.nk-gongyi_content .item {position:relative;transition:all ease 0.45s;}
.nk-gongyi_content .item img{width:100%;}



.nk-youshi {padding-top:30px;padding-bottom:30px;background-color: #eaf6fd;margin-top:30px;}
.nk-youshi .title h2 {color:#000f24;font-size:25px;  font-weight: inherit;text-align:center;margin-bottom:20px;}
.nk-youshi .body{margin-top:30px;}
.nk-youshi-tabs,.nk-youshi-tabs_item {position:relative;}
.nk-youshi-tabs .nk-youshi-tabs_item{width:50%;height:50px;float:left;}
.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(1)::after,
.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(2)::after,
.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(3)::after,
.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(4)::after,
.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(5)::after,.nk-youshi-tabs .nk-youshi-tabs_item:nth-child(6)::after{content: "";height:4px;background-color: #eaf6fd;width: 100%;position: absolute;bottom:0;left:0;}
.nk-youshi-tabs_item div {cursor: pointer;height:100%;position:relative;width:100%;background-color: #ffffff;}
.nk-youshi-tabs_item div span {color:#212121;top:20%;display:block;font-size:14px;position:absolute;left:20px;transition:all ease 0.15s;}
.nk-youshi-tabs_item div i{background-image: url(../images/nk_ico_default.png);width: 40px;height: 40px;display: none;float: right;top: 16%;position: absolute;right: 20px;}
.nk-youshi-tabs_item:hover div span,.nk-youshi-tabs_item.active div span {color:#ffffff;}
.nk-youshi-tabs_item:hover div,
.nk-youshi-tabs_item.active div{background-color: #3671cf;background-image: none !important;-webkit-animation-delay:.15s;animation-delay:.15s;}
.nk-youshi-tabs_item:hover div i,.nk-youshi-tabs_item.active div i {background-image: url(../images/nk_ico.png);}
.nk-youshi_content .item {display:none;}
.nk-youshi_content .item:nth-of-type(1) {display:block;}
.nk-youshi_content .item {position:relative;transition:all ease 0.45s;}
.nk-youshi_content .item  div {background-color: #ffffff;height:100%}
.nk-youshi_content .item  div img{width:100%;}
.nk-youshi_content .item  div p{padding:0 20px 20px;}


.nk-anli {padding-top:30px;}
.nk-anli .title h2 {color:#000f24;font-size:25px;  font-weight: inherit;text-align:center;margin-bottom:20px;}

.nk-blog {padding-top:30px;padding-bottom:30px;}
.nk-blog .title h2 {color:#000f24;font-size:25px;  font-weight: inherit;text-align:center;margin-bottom:20px;}
.nk-blog .row .item{margin-top:20px;}
.nk-blog .row .item:hover  .lazyimg{-moz-transform:scale(1.1);-ms-transform:scale(1.1);-o-transform:scale(1.1);    -webkit-transform:scale(1.1);transform:scale(1.1);}
.nk-blog .row .item img {border:0;}
.nk-blog .row .item .images{	background-color: #eaf6fd;}
.nk-blog .row .item .text{	background-color: #eaf6fd;padding: 20px 15px;}
.nk-blog .row .item .text h4{line-height: 1.5;height:60px;overflow:hidden;color:#000000;}
.nk-blog .row .item .text h4 a{color:inherit;}
.nk-blog .time-view{margin-top:10px;}
.nk-blog .time-view .time{float:right;}
.nk-blog .time-view .view_more{color:#ff9900;}
.nk-blog .time-view .view_more a{color:inherit;}

.footer{background-color: #000000;padding:20px 0;text-align: center;color:#ffffff;margin-bottom:36px;font-size:12px;}
.footer a{color:#ffffff;}
.cta{width: 70px;height: 70px;background-color: #3671cf;border-radius: 100%;position:fixed;bottom:25%;right:10px;z-index: 99;}
.cta a{display: block;background-image: url(../images/ico/cta_ico.png);background-size: 100% 100%;width: 100%;height: 100%;}
.conversion{position:fixed;bottom:0;background-color:#3671cf;left:0;right:0;width:100%;-webkit-overflow-scrolling:touch;max-width:750px;z-index: 999;padding-left: 0;padding-right: 0;margin-top:0;margin-bottom:0;margin-left: auto;margin-right: auto;background-size:100% 100%; width:100%; }
.conversion-chat{width:50%;float:left;background-color:#f7ab00;}
.conversion-phone{width:50%;float:left;}
.conversion > div {margin-top:0;margin-bottom:0;}
.conversion .chat {background-color:transparent;color:#ffffff;padding-top:10px;padding-bottom:10px;text-align:center;}
.conversion .chat span{color:#ffffff;}
.conversion .chat i {display:inline-block;background-image:url(https://static.shibangchina.com/images/seo-engineer.png);background-size:100% 100%;width:14px;height:18px;vertical-align:text-bottom;margin-right:15px;}
.conversion .phone {background-color:transparent;color:#ffffff;padding-top:10px;padding-bottom:10px;text-align:center;}
.conversion .phone span{color:#ffffff;}
.conversion .phone i {display:inline-block;background-image:url(https://static.shibangchina.com/images/seo-phone.png);background-size:100% 100%;width:22px;height:20px;vertical-align:text-bottom;margin-right:10px;vertical-align:top;}
@media (min-width:450px) {
    .conversion .chat span {font-size:16px;}
    .conversion .phone span {font-size:16px;}
}
@media (min-width:768px) {
    .conversion{display:none;}

    
}

@media only screen and (min-width:600px) {
    .nk-zucheng .body{width:580px;margin-left: auto;margin-right: auto;}
    .nk-gongyi .body{width:580px;margin-left: auto;margin-right: auto;}
    .nk-gongyi-tabs .nk-gongyi-tabs_item{width:50%;}
    .nk-youshi .body{width:580px;margin-left: auto;margin-right: auto;}
}
@media only screen and (min-width:768px) {
    header .menu{display: block;}
    .banner{display: block;}
    .nk-jianjie{padding-top:60px;padding-bottom:60px;}
    .nk-zucheng {padding-top:60px;padding-bottom:60px;}
    .nk-gongyi {padding-top:60px;}
    .nk-youshi {padding-top:60px;padding-bottom:60px;margin-top:60px;}
    .nk-blog {padding-top:60px;padding-bottom:60px;}
    .nk-anli {padding-top:60px;}
    .footer{margin-bottom:0;font-size: 14px;}
 
}
@media only screen and (min-width:992px) {
    header .menu ul li a {padding: 10px 25px;}
    .nk-jianjie .image{display: block;}
    .nk-zucheng .body{width:100%;margin-left: 0;margin-right: 0;}
    .nk-zucheng-tabs .nk-zucheng-tabs_item{height:98px;}
    .nk-zucheng-tabs_item div span{top:40%;font-size:16px;}

    .nk-gongyi .body{width:100%;margin-left: 0;margin-right: 0;}
    .nk-gongyi-tabs .nk-gongyi-tabs_item{width:100%;height:75px;float:left;}
    .nk-gongyi-tabs_item div span {top:26%;font-size:16px;}

    .nk-youshi .body{width:100%;margin-left: 0;margin-right: 0;}
    .nk-youshi-tabs .nk-youshi-tabs_item{width:100%;height:66px;float:left;}
    .nk-youshi-tabs_item div i{display: block;}
    .nk-youshi-tabs_item div span {top:26%;font-size:16px;}
}

@media only screen and (min-width:1200px) {
    header{height:70px;}
    header .logo{width: 248px;}
    header .menu{font-size: 16px;}
    header .menu ul li a {padding: 10px 25px;line-height: 70px;}
    header .phone{line-height: 70px;}
    header .phone span{font-size: 16px;}
    header .phone i{width: 16px;height: 16px;}

    .nk-zucheng-tabs .nk-zucheng-tabs_item{height:128px;}
    .nk-youshi-tabs .nk-youshi-tabs_item{height:83px;}
    .nk-youshi-tabs_item div span {top:30%;}
    .nk-youshi-tabs_item div i{top:24%;}

	.nk-jianjie{padding-top:80px;padding-bottom:80px;}
	.nk-jianjie .word h2{margin-bottom:33px;color:#000f24;font-size:36px;  font-weight: inherit;}
	.nk-jianjie .word p{font-size:16px;line-height:30px;}
	
    .nk-zucheng{padding-top:80px;padding-bottom:80px;}
    .nk-zucheng .title h2 {font-size:36px;margin-bottom:33px;}
	.nk-zucheng .title span {font-size:16px;line-height:30px;}
.nk-gongyi-tabs .nk-gongyi-tabs_item
    .nk-jianjie{padding-top:80px;}

    .nk-gongyi{padding-top:80px;}
    .nk-gongyi .title h2 {font-size:36px;margin-bottom:40px;}


    .nk-youshi{padding-top:80px;padding-bottom:80px;}
    .nk-youshi .title h2 {font-size:36px;margin-bottom:40px;}
    .nk-zucheng-tabs_item div span{font-size:18px;}
    .nk-gongyi-tabs .nk-gongyi-tabs_item{height:99px;}
    .nk-gongyi-tabs_item div span {font-size:18px;}
    .nk-youshi-tabs_item div span {font-size:18px;}

    .nk-anli{padding-top:80px;}
    .nk-anli .title h2 {font-size:36px;margin-bottom:53px;}

    .nk-blog{padding-top:80px;padding-bottom:80px;}
    .nk-blog .title h2 {font-size:36px;margin-bottom:53px;}
    .nk-blog .time-view .view_more{font-size:16px;}

}
@media only screen and (min-width:1600px) {
header .menu{font-size: 20px;}
header .phone span{font-size: 20px;}
header .phone i{width: 20px;height: 20px;}
	
		
}