body {margin: 0;padding: 0;font-size: 16px;color: #191919;font-family: 'Roboto', sans-serif;font-weight: normal;font-style: normal;}
a,button {-webkit-transition: all 0.3s ease-out 0s;-moz-transition: all 0.3s ease-out 0s;-ms-transition: all 0.3s ease-out 0s;-o-transition: all 0.3s ease-out 0s;transition: all 0.3s ease-out 0s;}

*::-moz-selection {background: #A41517;color: #fff;text-shadow: none;}
::-moz-selection {background: #A41517;color: #fff;text-shadow: none;}
::selection {background: #A41517;color: #fff;text-shadow: none;}
*::-moz-placeholder {color: #555555;font-size: 14px;opacity: 1;}
*::placeholder {color: #555555;font-size: 14px;opacity: 1;}
h1,h2,h3,h4,h5,h6,p {margin: 0;padding: 0;}
h1,h2,h3,h4,h5,h6 {font-family: 'Poppins', sans-serif;font-weight: 700;color: #333;}
.h_color_w h1,.h_color_w h2,.h_color_w h3,.h_color_w h4,.h_color_w h5,.h_color_w h6{color: #FFFFFF;}
.h_color_w p{color: #FFFFFF;}
ul {margin: 0;padding: 0;list-style: none;}
a {text-decoration: none;transition: .2s;-webkit-transition: all .2s ease-in-out; color: unset; }
a:hover {text-decoration: none;color: #A41517; }
button:focus {outline: none;}
input:focus {outline: none;}
textarea:focus {outline: none;}



/*内外边距*/
.ptb{padding:0 auto;}
.prl{padding:auto 0;}
.ptrbl-5{padding:5px;}
.ptrbl-15{padding:15px;}
.ptrbl-30{padding:30px;}
.ptrbl-60{padding:60px;}
.ptb-100{padding-top: 100px;padding-bottom: 70px;}
.ptb-70{padding: 70px 0px;}
.ptb-20{padding: 20px 0px;}
.pb-100{padding-bottom: 100px;}
.pt-70{padding-top: 70px;}
.mtb{margin: 0 auto;}
.mrl{margin: auto 0;}
.mtrbl-30{margin: 30px;}
/* Padding Top */
.pt-5{padding-top:5px;}
.pt-10{padding-top:10px;}
.pt-15{padding-top:15px;}
.pt-20{padding-top:20px;}
.pt-25{padding-top:25px;}
.pt-30{padding-top:30px;}
.pt-35{padding-top:35px;}
.pt-40{padding-top:40px;}
.pt-45{padding-top:45px;}
.pt-50{padding-top:50px;}
.pt-55{padding-top:55px;}
.pt-60{padding-top:60px;}
.pt-65{padding-top:65px;}
.pt-70{padding-top:70px;}
.pt-75{padding-top:75px;}
.pt-80{padding-top:80px;}
.pt-85{padding-top:85px;}
.pt-90{padding-top:90px;}
.pt-95{padding-top:95px;}
.pt-100{padding-top:100px;}
.pt-105{padding-top:105px;}
.pt-110{padding-top:110px;}
.pt-120{padding-top:120px;}
.pt-130{padding-top:130px;}
.pt-140{padding-top:140px;}
.pt-150{padding-top:150px;}
.pt-160{padding-top:160px;}
.pt-170{padding-top:170px;}
.pt-180{padding-top:180px;}
.pt-190{padding-top:190px;}
.pt-200{padding-top:200px;}


/* Padding Bottom */
.pb-5{padding-bottom:5px;}
.pb-10{padding-bottom:10px;}
.pb-15{padding-bottom:15px;}
.pb-20{padding-bottom:20px;}
.pb-25{padding-bottom:25px;}
.pb-30{padding-bottom:30px;}
.pb-35{padding-bottom:35px;}
.pb-40{padding-bottom:40px;}
.pb-45{padding-bottom:45px;}
.pb-50{padding-bottom:50px;}
.pb-55{padding-bottom:55px;}
.pb-60{padding-bottom:60px;}
.pb-65{padding-bottom:65px;}
.pb-70{padding-bottom:70px;}
.pb-75{padding-bottom:75px;}
.pb-80{padding-bottom:80px;}
.pb-85{padding-bottom:85px;}
.pb-90{padding-bottom:90px;}
.pb-95{padding-bottom:95px;}
.pb-100{padding-bottom:100px;}
.pb-110{padding-bottom:110px;}
.pb-120{padding-bottom:120px;}
.pb-130{padding-bottom:130px;}
.pb-140{padding-bottom:140px;}
.pb-150{padding-bottom:150px;}
.pb-160{padding-bottom:160px;}
.pb-170{padding-bottom:170px;}
.pb-180{padding-bottom:180px;}
.pb-190{padding-bottom:190px;}
.pb-200{padding-bottom:200px;}


/* margin Top */
.mt-5{margin-top:5px;}
.mt-10{margin-top:10px;}
.mt-15{margin-top:15px;}
.mt-20{margin-top:20px;}
.mt-25{margin-top:25px;}
.mt-30{margin-top:30px;}
.mt-35{margin-top:35px;}
.mt-40{margin-top:40px;}
.mt-45{margin-top:45px;}
.mt-50{margin-top:50px;}
.mt-55{margin-top:55px;}
.mt-60{margin-top:60px;}
.mt-65{margin-top:65px;}
.mt-70{margin-top:70px;}
.mt-75{margin-top:75px;}
.mt-80{margin-top:80px;}
.mt-85{margin-top:85px;}
.mt-90{margin-top:90px;}
.mt-95{margin-top:95px;}
.mt-100{margin-top:100px;}
.mt-110{margin-top:110px;}
.mt-120{margin-top:120px;}
.mt-130{margin-top:130px;}
.mt-140{margin-top:140px;}
.mt-150{margin-top:150px;}
.mt-160{margin-top:160px;}
.mt-170{margin-top:170px;}
.mt-180{margin-top:180px;}
.mt-190{margin-top:190px;}
.mt-200{margin-top:200px;}


/* margin bottom */
.mb-5{margin-bottom:5px;}
.mb-10{margin-bottom:10px;}
.mb-15{margin-bottom:15px;}
.mb-20{margin-bottom:20px;}
.mb-25{margin-bottom:25px;}
.mb-30{margin-bottom:30px;}
.mb-35{margin-bottom:35px;}
.mb-40{margin-bottom:40px;}
.mb-45{margin-bottom:45px;}
.mb-50{margin-bottom:50px;}
.mb-55{margin-bottom:55px;}
.mb-60{margin-bottom:60px;}
.mb-65{margin-bottom:65px;}
.{margin-bottom:70px;}
.mb-75{margin-bottom:75px;}
.mb-80{margin-bottom:80px;}
.mb-85{margin-bottom:85px;}
.mb-90{margin-bottom:90px;}
.mb-95{margin-bottom:95px;}
.mb-100{margin-bottom:100px;}
.mb-110{margin-bottom:110px;}
.mb-120{margin-bottom:120px;}
.mb-130{margin-bottom:130px;}
.mb-140{margin-bottom:140px;}
.mb-150{margin-bottom:150px;}
.mb-160{margin-bottom:160px;}
.mb-170{margin-bottom:170px;}
.mb-180{margin-bottom:180px;}
.mb-190{margin-bottom:190px;}
.mb-200{margin-bottom:200px;}
.text-right{
	text-align: right;
}
/* Padding Top 
.pt-5{padding-top:5px;} 5-200
.pb-5{padding-bottom:5px;} 5-200
*/
/* margin Top 
.mt-5{margin-top:5px;}5-200
.mb-5{margin-bottom:5px;}5-200
*/
/*内部绝对居中*/
.txttop{position:static;}
.txtmd {position: relative;top: 50%;left: 50%;transform: translate(-50%, -50%);}
.txthh {position: relative;top: 50%;transform: translateY(-50%);}
/*布局*/
.t_t {display: flex;align-items: stretch;}
.t_a {display: flex;flex-direction: column;/* 设置为列布局 */justify-content: flex-end;}
.t_b {display: flex;flex-wrap: wrap;justify-content:center;}



/*内外边距*/
.ptb{padding:0 auto;}
.prl{padding:auto 0;}
.ptrbl-5{padding:5px;}
.ptrbl-15{padding:15px;}
.ptrbl-30{padding:30px;}
.ptrbl-60{padding:60px;}
.mtb{margin: 0 auto;}
.mrl{margin: auto 0;}
.mtrbl-30{margin: 30px;}

.m-t{margin-top: calc(var(--bs-gutter-x) / 2);}
.m-r{margin-right:calc(var(--bs-gutter-x) / 2) ;}
.m-b{margin-bottom: calc(var(--bs-gutter-x) / 2);}
.m-l{margin-left: calc(var(--bs-gutter-x) / 2);}
.m-all{margin: calc(var(--bs-gutter-x) / 2);}
.m-tb{margin-top: calc(var(--bs-gutter-x) / 2);margin-bottom: calc(var(--bs-gutter-x) / 2);}
.m-lr{margin-left: calc(var(--bs-gutter-x) / 2);margin-right:calc(var(--bs-gutter-x) / 2) ;}

.p-t{padding-top: calc(var(--bs-gutter-x) / 2);}
.p-r{padding-right:calc(var(--bs-gutter-x) / 2) ;}
.p-b{padding-bottom:calc(var(--bs-gutter-x) / 2) ;}
.p-l{padding-left:calc(var(--bs-gutter-x) / 2) ;}
.p-all{padding:calc(var(--bs-gutter-x) / 2) ;}
.p-tb{padding-top: calc(var(--bs-gutter-x) / 2);padding-bottom:calc(var(--bs-gutter-x) / 2) ;}
.p-lr{padding-left:calc(var(--bs-gutter-x) / 2) ;padding-right:calc(var(--bs-gutter-x) / 2) ;}

/*垂直居中*/
.txtwh {position: relative;left: 50%;transform: translateX(-50%);}

/*平行居中*/
.divmd {margin-top: var(--bs-gutter-y);margin-bottom: var(--bs-gutter-y);}

/*内容边距*/
.wp_4_2 {padding: calc(var(--bs-gutter-x) / 2);}
.wp_lr_2 {padding: calc(var(--bs-gutter-x) / 2);}

/*框*/
.hover-01 {display: inline-block;border-radius: 1px;box-shadow: 0px 2px 10px 0px rgba(181, 194, 226, 0.4);}
.hover-01:hover {display: inline-block;border-radius: 3px;box-shadow: 0px 5px 20px 0px rgba(181, 194, 226, 0.4);}
.hover-02 {box-shadow: 0px 2px 10px 0px rgba(181, 194, 226, 0.4);/* display: flex;flex-direction: column;justify-content: center;align-items: stretch;box-sizing: border-box; padding:0px; */}
.hover-03 {display: inline-block;border-radius: 1px;box-shadow: darkgrey 0px 0px 5px 1px;}
.hover-03:hover {display: inline-block;border-radius: 3px;box-shadow: darkgrey 0px 0px 15px 3px;}
.hover-04 {box-shadow: 0px 5px 5px 0px rgba(181, 194, 226, 0.4);display: flex;flex-direction: column;justify-content: center;align-items: center;box-sizing: border-box;}

/*边框半圆*/
.d_b5 {border-radius: 5px;}
/*显示与隐藏*/
.d-dn {display: none;}
/*不显示*/
.d-db {display: block;}
/*显示*/
.ov {overflow: visible;}
/*默认值。内容不会被修剪，会呈现在元素框之外*/
.oh {overflow: hidden;}

/*内容会被修剪，并且其余内容是不可见的*/
.os {overflow: scroll;}
/*内容会被修剪，但是浏览器会显示滚动条以便查看其余的内容。*/
.oa {overflow: auto;}
/*如果内容被修剪，则浏览器会显示滚动条以便查看其余的内容*/
.oi {overflow: inherit;}




/*规定应该从父元素继承 overflow 属性的值*/
/*背景色*/
.bei-f8 {background: #F8F8F8;}
.bei-742{background: #222742;}
.bei-co-f80 {background-color: rgba(255, 255, 255, 0.8);}
.bei-co-f50 {background-color: rgba(255, 255, 255, 0.5);}
.bei-co-f30 {background-color: rgba(255, 255, 255, 0.3);}
.bei-co-f {background-color: rgba(255, 255, 255, 1.00);}
.bei-co-h80 {background-color: rgba(000, 000, 000, 0.8);}
.bei-co-h70 {background-color: rgba(000, 000, 000, 0.7);}
.bei-co-h50 {background-color: rgba(000, 000, 000, 0.5);}
.bei-co-h30 {background-color: rgba(000, 000, 000, 0.3);}
.bei-co-h10 {background-color: rgba(000, 000, 000, 0.1);}
.bei-co-h {background-color: rgba(000, 000, 000, 1.00);}

.bei-c-1{background-color: rgb(243, 105, 121);}
.bei-c-2{background-color: rgb(61, 197, 174);}
.bei-c-3{background-color: rgb(255, 179, 42);}
.bei-c-4{background-color: rgb(228, 71, 60);}
.bei-c-5{background-color: rgb(1, 183, 96);}
.bei-c-6{background-color: rgb(253, 167, 59);}
.bei-c-7{background-color: rgb(72, 135, 209);}
.bei-c-8{background-color: rgb(18, 206, 93);}
.bei-c-9{background-color: rgb(125, 94, 232);}
.bei-c-10{background-color: rgb(253, 209, 62);}




/*纯色*/
.img_black{filter: grayscale(100%) brightness(1000%); }
.kfimg {text-align: center;}
.kfimg img{height: 80px; margin: 0 auto;}
/*背景图*/
.bei-a1,.bei-b1{background: url("../image/b/banner1.png") no-repeat center center;}/*办公场景*/
.bei-a2,.bei-b2{background: url("../image/b/banner2.png") no-repeat center center;}/*合作握手*/
.bei-a3,.bei-b3{background: url("../image/b/banner3.jpg") no-repeat center center;}/*右边科技*/
.bei-a4,.bei-b4{background: url("../image/b/banner4.jpg") no-repeat center center;}/*手拿手机*/
.bei-a5,.bei-b5{background: url("../image/b/banner5.jpg") no-repeat center center;}/*虚幻电脑*/
.bei-a6,.bei-b6{background: url("../image/b/banner6.jpg") no-repeat center center;}/*淡色背景*/
.bei-a7,.bei-b7{background: url("../image/b/web01.jpg") no-repeat center center;}/*多网页背景*/
.bei-a8,.bei-b8{background: url("../image/b/web02.jpg") no-repeat center center;}/*地球星空*/
.bei-a9,.bei-b9{background: url("../image/b/web03.jpg") no-repeat center center;}/*星空数码*/
.bei-a10,.bei-b10{background: url("../image/b/web04.jpg") no-repeat center center;}/*合作商务*/
.bei-a11,.bei-b11{background: url("../image/b/in_bei01.jpg") no-repeat center center;}/*工作桌面*/
.bei-aai1,.bei-bai1{background: url("../image/b/ai01.jpeg") no-repeat center center;}/*AI人机手*/
.bei-aai2,.bei-bai2{background: url("../image/b/ai02.jpeg") no-repeat center center;}/*卡通AI标识*/
.bei-aai3,.bei-bai3{background: url("../image/b/ai03.jpeg") no-repeat center center;}/*AI标识*/

.bei-a1,.bei-a2,.bei-a3,.bei-a4,.bei-a5,.bei-a6,.bei-a7,.bei-a8,.bei-a9,.bei-a10,.bei-a11,.bei-bai1,.bei-bai2,.bei-bai3,.bei-b1,.bei-b2,.bei-b3,.bei-b4,.bei-b5,.bei-b6,.bei-b7,.bei-b8,.bei-b9,.bei-b10.bei-b11,.bei-bai1,.bei-bai2,.bei-bai3{background-size:cover;}
.bei-b1,.bei-b2,.bei-b3,.bei-b4,.bei-b5,.bei-b6,.bei-b7,.bei-b8,.bei-b9,.bei-b10,.bei-b11,.bei-bai1,.bei-bai2,.bei-bai3{background-attachment: fixed;}

.beiwf,.bei-wf {width: 100%;background: url(../image/b/dotf.png)repeat 0px 0px;background-size: 2px;-webkit-background-size: 2px;-moz-background-size: 2px;-o-background-size: 2px;-ms-background-size: 2px;}
.beiwh,.bei-wh {width: 100%;background: url(../image/b/dott.png)repeat 0px 0px;background-size: 2px;-webkit-background-size: 2px;-moz-background-size: 2px;-o-background-size: 2px;-ms-background-size: 2px;}
.beiwh,.beiwf {height: 100vh;}
.beia01{ background:url("../image/b/lbei01.png") no-repeat 0px 0px;background-size:cover;}
.beia02{ background:url("../image/b/lbei02.png") no-repeat 0px 0px;background-size:cover;}
.beia03{ background:url("../image/b/lbei03.png") no-repeat 0px 0px;background-size:cover;}
.beia05{ background:url("../image/bei/bg2.jpg") no-repeat center center;background-size:cover;}

/*背景*/
.ser_bran .content {padding: 10px;text-align: left;}
.ser_bran .content h1 {color: #FFFFFF; font-weight: 400; margin-bottom: 15px;}
.ser_bran .content h5 {color: #FFFFFF;	margin-bottom: 15px;}
.ser_bran .content p {color: #FFFFFF;line-height: 2rem;}
.cat_shop{background:url("../image/b/banner3.jpg") no-repeat center top; background-attachment:fixed;width: 100%;}
.cat_shop .content {padding: 10px;text-align: left;}
.cat_shop .content h1 {color: #FFFFFF; font-weight: 400; margin-bottom: 15px;}
.cat_shop .content h5 {color: #FFFFFF;	margin-bottom: 15px;}
.cat_shop .content p {color: #FFFFFF;line-height: 2rem;}
.shop_a{background-color:#f8fbff;}
.shop_b .img img{max-width: 100%;}
.shop_b img{max-width: 100%;}
.shop_c{}

.shop .item{display: inline-block; width: 100%; border-color:#ccc; border-radius: 1px;box-shadow: darkgrey 0px 0px 3px 1px; background-color: #fff; -webkit-transition: all .3s;-moz-transition: all .3s;transition: all .3s; padding: 20px 0; text-align: center; margin-bottom: 20px;}
.shop .item:hover{margin-top: -10px;}
.shop .item .img{ text-align: center; width: 25%; margin: 0 auto;}
.shop .item .text{ text-align: center; width: 75%; margin: 0 auto;text-align: left;}
.shop .item img{max-width: 90px;}
.shop .item h2{ color: #666; font-size: 1rem;line-height: 2.5rem;font-weight:normal;}
.shop .item p{ color: #999;font-size: 0.7rem;line-height: 1.5rem;}


@media (min-width: 768px) {
		.cat_shop .content p {max-width: 700px;}
		.shop .item h2{ color: #666; font-size: 1rem;line-height: 2.5rem;font-weight:normal;}
		.shop .item p{ color: #999;font-size: 0.9rem;line-height: 1.5rem;}
}


.shop_c .gnall{display: flex;flex-direction: column;align-items: stretch; row-gap: 20px;}
	.shop-gn{flex-direction: column;}
	/* .shop-gn .beia01,.shop-gn .beia02,.shop-gn .beia03{background:transparent;} */
	.shop-gn{ width: 100%;border-color:#ccc; border-radius: 1px;box-shadow: darkgrey 0px 0px 3px 1px; background-color: #fff;display: flex;align-items: stretch;justify-content: space-between; padding: 20px 0;}
	.shop-gn .le{ width: auto;min-height: auto; font-size:1.5rem; text-align: center; color: ##333;display: flex;align-items: center;flex-direction: row;justify-content: center;}
	.shop-gn .le span{display:block;}
	.shop-gn .rt{min-height: 150px;display: flex;flex-grow: 1;}
	.shop-gn .rt ul{width: 100%;display: flex;flex-direction: row;flex-wrap: wrap;align-items: center;justify-content: space-around;align-content: space-around;}
	.shop-gn .rt li{ display: inline-block;margin: 0;padding: 0 10px;width:70px;text-align: center;}
	.shop-gn .rt li img{width: 100%;}
	.shop-gn .rt li span{font-size:0.8rem; font-weight: 400; white-space: nowrap;}

@media (min-width: 768px) {
		.shop-gn{flex-direction: row;padding: 0;}
		.shop-gn .le{ width: 200px;min-height: 150px; font-size: 1.5rem; text-align: center; color: #fff;flex-shrink: 0;}
		.shop-gn .rt ul{}
		.shop-gn .rt li{width:80px;text-align: center;}

		
}


.mou_display {display: none;}
.icon {display: block;padding-top: 5px;width: 1.8em;height: 1.8em;margin: 0 auto;fill: currentColor;overflow: hidden;}
.icona {width: 1.8em;height: 1.8em;margin: 0;fill: currentColor;overflow: hidden;}
@font-face {font-family: 'iconfont';src: url('font/iconfont.eot');src: url('font/iconfont.eot?#iefix') format('embedded-opentype'),url('font/iconfont.woff2') format('woff2'),url('font/iconfont.woff') format('woff'),url('font/iconfont.ttf') format('truetype'),url('font/iconfont.svg#iconfont') format('svg');}
.iconfont {font-family: "iconfont" !important;font-style: normal;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;}

/*Scroll Area*/
.scroll-area {position: fixed;bottom: 20px;right: 20px;z-index: 1;display: none;}
.scroll-area i {width: 45px;height: 45px;background-color: #A41517;display: flex;justify-content: center;align-items: center;cursor: pointer;color: #fff;font-size: 20px;}

.rowab {--bs-gutter-x: 1.5rem;--bs-gutter-y: 0;display: flex;flex-wrap: wrap;}
.rowab>* {flex-shrink: 0;width: 100%;max-width: 100%;}


/*
 * Button
*/
.button-1 {display: inline-block;background: #A41517;color: #fff;padding: 20px 40px;text-transform: capitalize;font-weight: 600;letter-spacing: 1px;font-size: 16px;border-radius: 5px;-webkit-transition: all.4s ease-in-out;transition: all .5s ease-in-out;}
.button-1:hover {color: #fff;background: #07112d;}
.button-2 {display: inline-block;color: #fff;background: #07112d;padding: 20px 40px;text-transform: capitalize;font-weight: 600;letter-spacing: 1px;font-size: 16px;border-radius: 5px;-webkit-transition: all.4s ease-in-out;transition: all .5s ease-in-out;}
.button-2:hover {background: #A41517;color: #fff;}

.button-3 {display: inline-block; margin-top: 10px; background:rgba(255, 255, 255, 0.5);;color: #fff;padding: 5px 20px;text-transform: capitalize;font-weight: 600;letter-spacing: 1px;font-size:1rem;border-radius: 5px;-webkit-transition: all.4s ease-in-out;transition: all .5s ease-in-out;}
.button-3:hover {color: #fff;background: #A41517;}

.button-4 {display: inline-block; background:rgba(255, 255, 255, 0.5);;color: #fff;padding: 5px 20px;text-transform: capitalize;letter-spacing: 1px;font-size:0.9rem; margin: 0 auto;border-radius: 5px;-webkit-transition: all.4s ease-in-out;transition: all .5s ease-in-out;}
.button-4:hover {color: #fff;background: #A41517;}
.button-5 {display: inline-block;background: #A41517;color: #fff;padding: 10px 40px;text-transform: capitalize;font-weight: 600;letter-spacing: 1px;font-size: 16px;border-radius: 5px;-webkit-transition: all.4s ease-in-out;transition: all .5s ease-in-out;}
.button-5:hover {color: #fff;background: #07112d;}

/*全局菜单*/
/*栏目标题*/
.column{}
.column h3{font-size:2rem;font-weight: 400;margin-bottom: 10px;line-height:2rem;}
.column p{font-size:1rem;line-height:1.5rem;}


/*大小说明*/
/* 基础值（不受min-width影响）
row
通用值row-cols-auto、row-cols-6 体现：.row-cols-auto>*{}
auto flex: 0 0 auto; width: auto
1 width: 100% 1个
2 width: 50%  2个
3 width: 33.333% 3个
4 width: 25%  4个
5 width: 20%  5个
6 width: 16.66% 6个

col
通用值col-auto、col-12 体现：.col-auto {}
auto width auto
1 width：8.3333% 12个
2 width：16.6666% 6个
3 width：25% 4个
4 width：33.3333% 3个
5 width：41.6666% 
6 width：50% 2个
7 width：58.3333% 
8 width：66.666% 
9 width：75% 
10 width：83.33333% 
11 width：91.6666% 
12 width：100% 1个
*/	
/*应min-width产生变化  sm<md<xl<xxl*/
@media (min-width: 576px) {
	/*大小说明 row-cols-sm-auto、row-cols-sm-6*/
	/*大小说明 col-sm-auto、col-sm-12*/
}

@media (min-width: 768px) {
		/*大小说明 row-cols-md-auto、row-cols-md-6*/
		/*大小说明 col-md-auto、col-md-12*/
}
@media (min-width: 992px) {
	/*大小说明 row-cols-lg-auto、row-cols-lg-6*/
	/*大小说明 col-lg-auto、col-lg-12*/
}
@media (min-width: 1200px) {
	/*大小说明 row-cols-xl-auto、row-cols-xl-6*/
	/*大小说明 col-xl-auto、col-xl-12*/
}
@media (min-width: 1400px) {
	/*大小说明 row-cols-xxl-auto、row-cols-xxl-6*/
	/*大小说明 col-xxl-auto、col-xxl-12*/
} 



/*
1. Header
2 首页图展
3 system_service
4 System Solution
5 Customer case
*/

/* 
gap: 10px;  所有方向上的间隔 
 或者分开设置 
  row-gap: 10px;  主轴间隔 
  column-gap: 5px; 交叉轴间隔 
 */




