@charset "UTF-8";
/* CSS Document */

/*SEO*/
.banner_seo{background-image: linear-gradient(180deg, #5583ee 0%,#1f0f6a 100%); height:700px; overflow: hidden;}
.banner_seo .w_left{float: left; padding-top: 180px; padding-left: 120px;}
.banner_seo .w_left h1{color: #fff; font-size: 45px;}
.banner_seo .w_left h2{display: block;  padding-top: 20px; margin-top: 40px; border-top: 1px solid #ddd; color: #fff; font-size: 25px; letter-spacing: 1px;}
.banner_seo .w_left ol{padding-top: 30px; padding-left: 20px;}
.banner_seo .w_left ol li{color: #fff; font-size: 16px; list-style:circle; line-height: 30px; }
.banner_seo .w_left .more a{ display: block;text-decoration: none;padding: 8px 10px; transition: 0.3s; font-size: 14px; text-align: center; width: 160px; height: 40px; border-radius: 40px;}
.banner_seo .w_left .more{padding-top: 40px;}
.banner_seo .w_left .more a:link,.w_left .more a:visited{; background: #fd2743; border: 1px solid #ec223d; color: #fff;}
.banner_seo .w_left .more a:hover{color: #fff; background: #fd2743; border: 1px solid #ec223d;}
.banner_seo .w_left .more a i{padding-left: 5px; transition: 0.3s; }
.banner_seo .w_left .more a:hover i{padding-left: 10px; }

.banner_seo .w_right{float: right; padding-top: 150px; padding-right: 30px;}
.banner_seo .w_right img{ width: 90%;}

.seo_list{width: 80%; overflow: hidden; margin: 0 auto;  padding: 90px 0 40px 0;}
.seo_list h2{font-size: 24px; color: #333; text-align: center;}
.seo_list p{ font-size: 16px; color: #999; padding-top: 6px; text-align: center;}
.seo_list ul{width: 100%; overflow: hidden; margin: 90px 0;}
.seo_list li{width: 20%; float: left;height: 250px; position: relative; text-align: center; justify-content: center;align-items: center;}
.seo_list li::before{content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 100%; height: 1px; background: #ccc;}
.seo_list li dt{ color: #333; font-size: 18px; text-align: center;}
.seo_list li dd{font-size: 12px; color: #999; line-height: 1.6; margin: 10px 0 25px 0; text-align: center;}
.seo_list li .number{ position: absolute;left: 40%; color: #fff; padding: 9px 14px; font-size: 24px; background: #2c88d9; border-radius: 50%; box-sizing: border-box; text-align: center;}
.seo_list li .yellow{background: #d9ae2c; top: 100px; left: 35%;}
.seo_list li .y04{left: 40%;}
.seo_list li .bottom{ position: absolute;bottom: -20px;}

.seo_list2{width: 100%; overflow: hidden; background: #f6f6f6; margin: 0 auto; padding: 80px 0;}
.seo_list2 h2{font-size: 24px; color: #333; text-align: center;}
.seo_list2 p{ font-size: 16px; color: #999; padding-top: 6px; text-align: center; text-transform: uppercase;}
.seo_list2 ul{width: 85%; overflow:hidden; margin: 30px auto 0 auto;}
.seo_list2 li{float: left; width: 33.3%; min-height: 218px; padding: 2% 1.6%; transition: all 0.4s;}
.seo_list2 li i{color: #333; font-size: 42px; text-align: center;  display: block; margin: 10px auto 30px auto;}
.seo_list2 li h3{ color: #333; text-align: center; padding-bottom: 15px;}
.seo_list2 li p{font-size: 14px; color: #666; padding-top: 6px;  line-height: 1.6; text-align: center; padding: 0 10px;}
.seo_list2 li:hover{background: #666; cursor: pointer;}
.seo_list2 li:hover i,.seo_list2 li:hover h3,.seo_list2 li:hover p{color: #fff;}


.navbar-dark .navbar-toggler{display: none;}
.wap_footer{display: none;}


/*1680*/
@media screen and (max-width: 1680px){


}

/*1440*/
@media screen and (min-width: 1440px) and (max-width : 1679px){
	.banner_seo{height: 600px;}
	.banner_seo .w_left{padding-top: 13%; padding-left: 4%;}
	.banner_seo .w_left h1{ font-size: 35px;}
	.banner_seo .w_left h2{margin-top: 30px; font-size: 22px;}
	.banner_seo .w_left ol li{font-size: 14px; line-height: 27px;}
	.banner_seo .w_left .more{padding-top: 30px;}
	.banner_seo .w_right{padding-top: 12%; text-align: right;}
	.banner_seo .w_right img{width: 72%;}
	
	.seo_list{width: 90%; padding: 70px 0 0 0;}
	.seo_list2 ul{width: 92%;}
	

}
/*1280*/
@media screen and (min-width: 1280px) and (max-width : 1439px){
	.banner_seo{height: 530px;}
	.banner_seo .w_left{padding-top: 12.5%; padding-left:4%;}
	.banner_seo .w_left h1{ font-size: 36px;}
	.banner_seo .w_left h2{margin-top: 20px; font-size: 22px; padding-top: 15px;}
	.banner_seo .w_left ol li{font-size: 14px; line-height: 26px;}
	.banner_seo .w_left .more{padding-top: 20px;}
	.banner_seo .w_right{padding-top: 11%; width: 550px;}
	.banner_seo .w_right img{width: 95%;}
	.b2b_h5 dl.web_cont{padding-top: 30px;}
	
	.seo_list{width: 90%; padding: 70px 0 0 0;}
	.seo_list2 ul{width: 92%;}

}

/*iPad Pro (1024px)*/
@media screen and (min-width: 1024px) and (max-width : 1279px){
	.banner_seo{height: 450px;}
	.banner_seo .w_left{padding-top: 15%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 28px;}
	.banner_seo .w_left h2{margin-top: 20px; font-size: 18px; padding-top: 15px;}
	.banner_seo .w_left ol li{font-size: 12px; line-height: 23px;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 13%; width: 550px; text-align: right;}
	.banner_seo .w_right img{width: 82%;}
	
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	.seo_list{width: 90%; padding: 60px 0 0 0;}
	.seo_list2{padding: 60px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 60px 0;}
	.seo_list2 li{padding: 1.5%;}

}

/*ipad （768px）*/
@media screen and (min-width: 768px) and (max-width : 1023px){
	.wap_footer{display: none;}
	.navbar-dark .navbar-toggler{display: none;}
	.banner_seo{height: 380px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 22%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 23px;}
	.banner_seo .w_left h2{margin-top: 20px; font-size: 16px; padding-top: 15px;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left ol li{font-size: 13px; line-height: 24px;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 18%; width: 350px; ;}
	.banner_seo .w_right img{width: 100%;}
	.b2b_h5 dl.web_cont{padding-top: 10px;}
	
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	.seo_list{width: 90%; padding: 60px 0 0 0;}
	.seo_list2{padding: 60px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 60px 0;}
	.seo_list2 li{padding: 1.5%;}
	.seo_list li .number{padding: 6px 9px; font-size: 19px;}
	.seo_list li .number,.seo_list li .y04{left: 36%;}


}

/*iphone6 plus横屏 (736px)*/
@media screen and (min-width: 736px) and (max-width : 767px){
	.navbar-dark .navbar-toggler{display: block;}
	.banner_seo{height: 350px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 21%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 23px;}
	.banner_seo .w_left h2{margin-top: 20px; font-size: 15px; padding-top: 10px;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left ol li{font-size: 13px; line-height: 24px;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 18%; width: 320px; ;}
	.banner_seo .w_right img{width: 100%;}
	.b2b_h5 dl.web_cont{padding-top: 10px;}
	.web_case .slider .slick-prev{display: none;}
	.web_cont p.p2{padding-top: 5px;}
	.b2b_h5 img{padding-top: 10px;}
	.wap_footer{display: block;}
	
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	.seo_list{width: 90%; padding: 60px 0 0 0;}
	.seo_list2{padding: 60px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 60px 0;}
	.seo_list2 li{padding: 1.5%;}
	.seo_list li .number{padding: 6px 9px; font-size: 19px;}
	.seo_list li .number,.seo_list li .y04{left: 36%;}

}

/*ipad6横屏( 667px)*/
@media screen and (min-width: 667px) and (max-width : 735px){
	.navbar-dark .navbar-toggler{display: block;}
	.banner_seo{height: 320px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 21%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 23px;}
	.banner_seo .w_left h2{margin-top: 20px; font-size: 15px; padding-top: 10px;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left ol li{font-size: 13px; line-height: 24px;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 18%; width: 320px; ;}
	.banner_seo .w_right img{width: 100%;}
	
	.b2b_h5 dl.web_cont{padding-top: 10px;}
	.web_case .slider .slick-prev{display: none;}
	.web_cont p.p2{padding-top: 5px;}
	.b2b_h5 img{padding-top: 10px;}
	.wap_footer{display: block;}
	
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	.seo_list{width: 90%; padding: 60px 0 0 0;}
	.seo_list2{padding: 60px 0 30px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 60px 0;}
	.seo_list2 li{padding: 1%; min-height: 170px; height: 190px;}
	.seo_list li .number{padding: 4px 7px; font-size: 18px;}
	.seo_list li .number,.seo_list li .y04{left: 36%;}
	.seo_list h2,.seo_list2 h2{font-size: 20px;}
	.seo_list p,.seo_list2 p{font-size: 13px;}
	.seo_list li dt{font-size: 15px;}
	.seo_list2 li h3{font-size: 14px;}
	.seo_list2 li p{font-size: 12px;}

}

/*ipad5横屏 (568px)*/
@media screen and (min-width: 568px) and (max-width : 666px){
	.navbar-dark .navbar-toggler{display: block;}
	.banner_seo{height: 300px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 25%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 20px;}
	.banner_seo .w_left h2{margin-top: 14px; font-size: 13px; padding-top: 10px;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left ol li{font-size: 13px; line-height: 24px;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 22%; width: 270px; ;}
	.banner_seo .w_right img{width: 100%;}
	.wap_footer{display: block;}
	
	.web_h5 img{display: none;}
	.b2b_h5 dl.web_cont{float: none; width: 92%; margin: 0 auto; padding-top: 5px;}
	.b2b_h5 .web_cont dt.dt1{font-size: 20px;}
	.b2b_h5 .web_cont dt.dt2{font-size: 15px;}
	.web_h5 .lin{margin-top: 10px;}
	.web_h5 dd{padding-top: 10px; }
	
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	.seo_list{width: 90%; padding: 60px 0 0 0;}
	.seo_list2{padding: 60px 0 30px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 60px 0;}
	.seo_list2 li{padding: 1%; min-height: 170px; height: 190px;}
	.seo_list li .number{padding: 4px 7px; font-size: 18px;}
	.seo_list li .number,.seo_list li .y04{left: 36%;}
	.seo_list h2,.seo_list2 h2{font-size: 20px;}
	.seo_list p,.seo_list2 p{font-size: 13px;}
	.seo_list li dt{font-size: 15px;}
	.seo_list2 li h3{font-size: 14px;}
	.seo_list2 li p{font-size: 12px;}

}


/*iphone6 plus (414px) */
@media screen and (min-width: 414px) and (max-width : 567px){
	.wap_footer{display: block;}
	.navbar-dark .navbar-toggler{display: block;}
	.banner_seo{height: 250px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 33%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 15px;}
	.banner_seo .w_left h2{margin-top: 12px; font-size: 10px; padding-top: 0px; border: none;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 28%; width: 190px; padding-right: 4% ;}
	.banner_seo .w_right img{width: 100%;}
	
	.web_h5 img{display: none;}
	.b2b_h5 dl.web_cont{float: none; width: 96%; margin: 0 auto; padding-top: 5px;}
	.b2b_h5 .web_cont dt.dt1{font-size: 18px;}
	.b2b_h5 .web_cont dt.dt2{font-size: 13px;}
	.web_h5 .lin{margin-top: 10px;}
	.web_h5 dd{padding-top: 10px; }
	.b2b_h5 .web_cont dd,.web_cont p{font-size: 11px; padding-top: 10px;}
	.b2b_h5 dl.web_cont{padding-top: 20px;}
	
	.seo_list2{padding: 30px 0 30px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 30px 0;}
	.seo_list2 li{padding: 1%; min-height: 70px; height: 140px;}
	.seo_list2 li h3{font-size: 13px; color: #555; padding: 4px 0 12px 0;}
	.seo_list2 li p{font-size: 11px; padding: 0; color: #999;}
	
	.seo_list{width: 90%; padding: 30px 0 0 0;}
	.seo_list li{position: static; width: 47%; height: auto; height: 120px;}
	.seo_list li .yellow{position: static;}
	.seo_list li .bottom{position: static}
	.seo_list li.li_01 .number,.seo_list li.li_03 .number{ position: relative; top: -126px; left:0; margin-bottom: -114px; }
	.seo_list li.li_01 .text,.seo_list li.li_03 .text{margin-top: 42px;}
	.seo_list li.li_02,.seo_list li.li_04{float: right;}
	.seo_list li.li_05{display: none;}
	.seo_list li.li_03 .number{background: #d9ae2c;}
	.seo_list li.li_04 .number{background: #2c88d9;}
	.seo_list li::before{height: 0; background: none;}
	.seo_list li .number{text-align: center;font-size: 16px; padding:8px 0 0 0; width:38px; height: 38px; margin: 0 auto;}
	.seo_list li .number,.seo_list li .y04{left: 36%; position: static; }
	.seo_list h2,.seo_list2 h2{font-size: 16px;}
	.seo_list p,.seo_list2 p{font-size: 12px;}
	.seo_list li dt{font-size: 13px;}
	.seo_list li dd{font-size: 11px;}
	
	.seo_list2 li i{font-size: 30px; margin: 0 auto;}
	
	
	
}

/*iphone6 plus (375px) */
@media screen and (min-width: 375px) and (max-width : 413px){
	.navbar-dark .navbar-toggler{display: block;}
	.wap_footer{display: block;}
	.banner_seo{height: 230px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 35%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 14px;}
	.banner_seo .w_left h2{margin-top: 12px; font-size: 9px; padding-top: 10px; border: none; padding-top: 0;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 28%; width: 170px;padding-right: 4% ;}
	.banner_seo .w_right img{width: 100%;}
	
	.web_h5 img{display: none;}
	.b2b_h5 dl.web_cont{float: none; width: 96%; margin: 0 auto; padding-top: 5px;}
	.b2b_h5 .web_cont dt.dt1{font-size: 15px;}
	.b2b_h5 .web_cont dt.dt2{font-size: 12px;}
	.web_cont p.p2{padding-top: 10px;}
	.web_h5 .lin{margin-top: 10px;}
	.web_h5 dd{padding-top: 10px; }
	.b2b_h5 .web_cont dd,.web_cont p{font-size: 11px; padding-top: 10px;}
	
	.seo_list2{padding: 30px 0 30px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 30px 0;}
	.seo_list2 li{padding: 1%; min-height: 70px; height: 150px;}
	.seo_list2 li h3{font-size: 13px; color: #555; padding: 4px 0 12px 0;}
	.seo_list2 li p{font-size: 11px; padding: 0; color: #999;}
	
	.seo_list{width: 90%; padding: 30px 0 0 0;}
	.seo_list li{position: static; width: 47%; height: auto; height: 120px;}
	.seo_list li .yellow{position: static;}
	.seo_list li .bottom{position: static}
	.seo_list li.li_01 .number,.seo_list li.li_03 .number{ position: relative; top: -126px; left:0; margin-bottom: -114px; }
	.seo_list li.li_01 .text,.seo_list li.li_03 .text{margin-top: 42px;}
	.seo_list li.li_02,.seo_list li.li_04{float: right;}
	.seo_list li.li_05{display: none;}
	.seo_list li.li_03 .number{background: #d9ae2c;}
	.seo_list li.li_04 .number{background: #2c88d9;}
	.seo_list li::before{height: 0; background: none;}
	.seo_list li .number{text-align: center;font-size: 16px; padding:8px 0 0 0; width:38px; height: 38px; margin: 0 auto;}
	.seo_list li .number,.seo_list li .y04{left: 36%; position: static; }
	.seo_list h2,.seo_list2 h2{font-size: 16px;}
	.seo_list p,.seo_list2 p{font-size: 12px;}
	.seo_list li dt{font-size: 13px;}
	.seo_list li dd{font-size: 11px;}
	
	.seo_list2 li i{font-size: 30px; margin: 0 auto;}
	
}

/*iphone5 (320px)*/
@media screen and (max-width: 374px) {
	.navbar-dark .navbar-toggler{display: block;}
	.wap_footer{display: block;}
	.banner_seo{height: 230px; width: 100%; overflow: hidden;}
	.banner_seo .w_left{padding-top: 36%; padding-left: 3%;}
	.banner_seo .w_left h1{ font-size: 14px;}
	.banner_seo .w_left h2{margin-top: 12px; font-size: 9px; padding-top: 0px; border: none;}
	.banner_seo .w_left ol{display: none;}
	.banner_seo .w_left .more{padding-top: 30px; display: none;}
	.banner_seo .w_left .more a{font-size: 13px; width: 150px; height: 36px;}
	.banner_seo .w_right{padding-top: 33%; width: 150px;padding-right: 0 ;}
	.banner_seo .w_right img{width: 100%;}
	
	.web_h5 img{display: none;}
	.b2b_h5 dl.web_cont{float: none; width: 96%; margin: 0 auto; padding-top: 5px;}
	.b2b_h5 .web_cont dt.dt1{font-size: 15px;}
	.b2b_h5 .web_cont dt.dt2{font-size: 12px;}
	.web_cont p.p2{padding-top: 10px;}
	.web_h5 .lin{margin-top: 10px;}
	.web_h5 dd{padding-top: 10px; }
	.b2b_h5 .web_cont dd,.web_cont p{font-size: 11px; padding-top: 10px;}
	
	.seo_list2{padding: 30px 0 30px 0;}
	.seo_list2 ul{width: 98%;}
	.seo_list ul{ margin: 30px 0;}
	.seo_list2 li{padding: 1%; min-height: 70px; height: 140px; width: 49%}
	.seo_list2 li h3{font-size: 12px; color: #555; padding: 4px 0 10px 0;}
	.seo_list2 li p{font-size: 11px; padding: 0; color: #999;}
	
	.seo_list{width: 90%; padding: 30px 0 0 0;}
	.seo_list li{position: static; width: 47%; height: auto; height: 130px;}
	.seo_list li .yellow{position: static;}
	.seo_list li .bottom{position: static}
	.seo_list li.li_01 .number,.seo_list li.li_03 .number{ position: relative; top: -142px; left:0; margin-bottom: -114px; }
	.seo_list li.li_01 .text,.seo_list li.li_03 .text{margin-top: 40px;}
	.seo_list li.li_02,.seo_list li.li_04{float: right;}
	.seo_list li.li_05{display: none;}
	.seo_list li.li_03 .number{background: #d9ae2c;}
	.seo_list li.li_04 .number{background: #2c88d9;}
	.seo_list li::before{height: 0; background: none;}
	.seo_list li .number{text-align: center;font-size: 16px; padding:8px 0 0 0; width:38px; height: 38px; margin: 0 auto;}
	.seo_list li .number,.seo_list li .y04{left: 36%; position: static; }
	.seo_list h2,.seo_list2 h2{font-size: 16px;}
	.seo_list p,.seo_list2 p{font-size: 12px;}
	.seo_list li dt{font-size: 13px;}
	.seo_list li dd{font-size: 11px;}
	
	.seo_list2 li i{font-size: 24px; margin: 0 auto;}
	
	
}