body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,form,input,button,textarea,p,th,td,span,a,b,i,strong,::before,::after{margin:0; padding:0; box-sizing: border-box;}
body {font-size: 16px; line-height: 1.5; color: #212529; background: #fff; font-family: "Microsoft YaHei","Arial";} 
html,body{width: 100%;overflow-x: hidden;}
/* html:has(.header.toggle) {overflow: clip;} */
img{border:0;display: block;max-width: 100%;transition: all .3s ease-out;}
.pic img{width: 100%;}
table {border-collapse: collapse;} 
input{border: none;}
textarea{font-family: inherit;}
button{outline: none;border: none;}
a{text-decoration: none;background: none ;color: inherit;font-size: inherit;}
a:hover{color: var(--primary-color);}
ul, li, ol{ list-style: none; }
:focus{ outline:none;}
.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0}
.clearfix{ clear: both; content: ""; display: block; overflow: hidden }
.clear{clear: both;}
.fl{ float: left; }
.fr{float: right;}
:root {--primary-color: #2A3F6B;}
.wrapper{width: 92%;max-width: 1520px;min-width: 1200px;margin: 0 auto;}
.pic_constant{overflow: hidden;}
.pic_constant .inner{width: 100%;position: relative;}
.pic_constant .inner::after{content: '';width: 100%;display: block;}
.pic_constant .inner img{position: absolute;top: 0;left: 0;width: 100%;height: 100%;object-fit: cover;transition: all .5s ease-out;}
.bgCover{background-repeat: no-repeat;background-position: center;background-size: cover;}
.txtEllipsis{overflow: hidden;text-overflow: ellipsis;white-space: nowrap;}
.txtEllipsisTwo{overflow: hidden;text-overflow: ellipsis;display: -webkit-box; -webkit-box-orient: vertical;-webkit-line-clamp: 2;}
.txtEllipsisThree{overflow: hidden;text-overflow: ellipsis;display: -webkit-box; -webkit-box-orient: vertical;-webkit-line-clamp: 3;}
.txtEllipsisFour{overflow: hidden;text-overflow: ellipsis;display: -webkit-box; -webkit-box-orient: vertical;-webkit-line-clamp: 4;}
.swiper-pagination-bullet-active{background-color: var(--primary-color);}
.color_primary{color: var(--primary-color);}
.color_white{color: #fff;}
.flex_center{display: flex;justify-content: center;align-items: center;}
.flex_between{display: flex;flex-wrap: wrap;justify-content: space-between;}
.flex_between_center{display: flex;flex-wrap: wrap;justify-content: space-between;align-items: center;}
.flex_align_center{display: flex;align-items: center;}
.flex{display: flex;}
.flex_wrap{display: flex;flex-wrap: wrap;}
.relative{position: relative;}
.mg_t_50{margin-top: 50px;}
.mg_t_40{margin-top: 40px;}
.mg_t_30{margin-top: 30px;}
.mg_t_20{margin-top: 20px;}
.mg_t_10{margin-top: 10px;}
.mg_t_5{margin-top: 5px;}
.mg_b_10{margin-bottom: 10px;}
.mg_l_5{margin-left: 5px;}
.mg_r_5{margin-right: 5px;}
.pd_b_30{padding-bottom: 30px;}
.indent{text-indent: 2em;}
.text_center{text-align: center;}
.text_right{text-align: right;}
.font_bold{font-weight: bold;}
.uppercase{text-transform: uppercase;}
h1,h2,h3,h4,h5{font-weight: normal;}
h2{font-size: 40px;}
h3{font-size: 26px;}
h4{font-size: 20px;}
h5{font-size: 18px;}

.swiper-free-mode>.swiper-wrapper {-webkit-transition-timing-function: linear !important;-moz-transition-timing-function: linear !important;-ms-transition-timing-function: linear !important;-o-transition-timing-function: linear !important;transition-timing-function: linear !important;}

.space{padding-top: 8vh !important;padding-bottom: 8vh !important;}
.space_min{padding-top: 50px !important;padding-bottom: 50px !important;}

.btn{padding: 10px 20px;background-color: var(--primary-color);border-radius: 50px;color: #fff;transition: all .3s ease-out;display: inline-block;}
.btn:hover{transform: translateY(-2px);color: #fff;}

.header{width: 100%;height: 80px;position: sticky;top: 0;left: 0;z-index: 999;display: flex; align-items: center;justify-content: space-between;transition: all .3s ease-out;}
.header .wrapper{height: 100%;display: flex;justify-content: space-between;align-items: center;}
.header .logo img{height: 42px;}

.header .nav> ul{height: 100%;display: flex;flex-wrap: wrap;gap: 60px;}
.header .nav> ul> li{position: relative;transition: all .3s ease-out;text-align: center;display: flex;align-items: center;}
.header .nav> ul> li> a{line-height: 80px;display: block;position: relative;transition: inherit;}
.header .nav> ul> li.on> a{color: var(--primary-color);font-weight: bold;}
.header .nav> ul> li.on> a::after{content: '';position: absolute;bottom: 0;left: 0;width: 100%;height: 4px;background-color: var(--primary-color);}
.header .nav .arrow{font-size: 14px;margin-left: 5px;transition: all .3s ease-out;}
.header .nav .children{position: absolute;top:100%;left:50%;z-index: 3;transform: translateX(-50%);min-width:100%; opacity: 0;margin-top: 50px;visibility: hidden;}
.header .nav .children ul{border-radius: 4px;background: rgba(255, 255, 255, .95);padding: 10px 20px;box-shadow: 0 2px 6px #ccc;transition: inherit;position: relative;}
.header .nav .children li{line-height: 36px;}
.header .nav .children li:last-child{border-bottom: 0;}
.header .nav .children li a{display: block;white-space: nowrap;color: #555;transition: all .3s linear;}
.header .nav .children li a:hover{color: var(--primary-color);}

.header .nav> ul> li:hover .children{margin-top: 0;opacity: 1;visibility: visible;transition: inherit;}
.header .nav> ul> li:hover> a i{transform: rotate(180deg);}

.header .btn_contact{padding: 2px 15px;font-size: 1.5em;background-color: #fff;border-radius: 12px;box-shadow: 0 5px 5px rgba(0, 0, 0, 0.5);transition: all .3s ease-out;}

.menu_btn{width: 24px;height: 24px;cursor: pointer;display: none;position: relative;}
.menu_btn span{width: 100%;height: 2px;background: #222;position: absolute;top: 0;left: 0;right: 0;bottom: 0;margin: auto;will-change: transform;transition: .75s cubic-bezier(.19,1,.22,1);}
.menu_btn span:first-child{transform: translateY(-8px) scaleX(1);transition-delay: .4s;}
.menu_btn span:nth-child(2){transform: scaleX(1);transition-delay: 350ms;}
.menu_btn span:nth-child(3){transform: translateY(8px) scaleX(1);transition-delay: .3s;}
.menu_btn span:nth-child(4){transform: rotate(45deg) scaleX(0);transition-delay: 50ms;}
.menu_btn span:last-child{transform: rotate(-45deg) scaleX(0);transition-delay: 0s;}

.header.toggle .menu_btn span:first-child{transform: translateY(-6px) scaleX(0);transition-delay: .1s;}
.header.toggle .menu_btn span:nth-child(2){transform: scaleX(0);transition-delay: 50ms;}
.header.toggle .menu_btn span:nth-child(3){transform: translateY(6px) scaleX(0);transition-delay: 0s;}
.header.toggle .menu_btn span:nth-child(4){transform: rotate(45deg) scaleX(1);transition-delay: .3s;}
.header.toggle .menu_btn span:last-child{transform: rotate(-45deg) scaleX(1);transition-delay: 350ms;}

.footer{background-color: #1C1C1C;color: rgba(255, 255, 255, 0.5);font-size: 14px;text-align: center;padding: 20px 4%;}

@media screen and (max-width: 1440px){

}

@media screen and (max-width: 1366px){
	
}

@media screen and (max-width: 1270px){
	.wrapper{max-width: 92%;min-width: 92%;}
	.space{padding-top: 50px !important;padding-bottom: 50px !important;}
	.space_min{padding-top: 40px !important;padding-bottom: 40px !important;}
	
	h2{font-size: 24px;}
	h3{font-size: 20px;}
	h4{font-size: 18px;}
	h5{font-size: 16px;}
	p{font-size: 15px;}

	.header .logo img{height: 36px;}
	.header .nav> ul{gap: 40px;}
}	

@media screen and (max-width: 1024px){
	.space{padding-top: 40px !important;padding-bottom: 40px !important;}
	.space_min{padding-top: 30px !important;padding-bottom: 30px !important;}
	.mg_t_50{margin-top: 30px;}
	.mg_t_40{margin-top: 25px;}
	.mg_t_30{margin-top: 20px;}
	.mg_t_20{margin-top: 15px;}

	.header{height: 60px;position: fixed;background-color: #fff;}
	.header::after{content: '';position: absolute;top: 0;left: 0;z-index: -1;width: 100%;height: 0;background-color: #fff;transition:all .2s linear;}
    .menu_btn{display: block;}
    .header .nav{position: fixed;top: 60px;left: 0;z-index: 99;width: 100%;height: 0;background-color: #fff;padding: 0 4%;}
    .header.toggle::after{height: 100%;}
    .header.toggle .nav{height: calc(100vh - 60px);padding: 0 4%;transition:all .4s linear .3s;}
    .header .nav> ul{height: 100%;display: block;overflow-y: auto;overflow-x: hidden;}
	.header .nav> ul> li{width: 100%;margin-right: 0;border-bottom: 1px solid rgba(255,255,255,.1);position: relative;display: block;}
	.header .nav> ul> li> a{line-height: 50px;padding: 0;display: block;text-align: left;width: 100%;}
	.header .nav> ul> li.on> a::after{background-color: var(--primary-color);height: 1px;}
	.header .nav .arrow{width: 100%;height: 50px;position:absolute; top:0; left:0;margin: 0;display: flex;justify-content: flex-end;align-items: center;}
	.header .nav .arrow::before{transition:all .3s linear;}
	.header .nav .arrow.rotate::before{transform: rotate(180deg);}
	.header .nav .children{position: static;width: 100%;transform: none;margin-top: 0;padding-top: 0;opacity: 1;visibility: visible;display: none;transition: none !important;}
	.header .nav .children ul{background: none;box-shadow: none;}
	.header .nav .children ul::after{display: none;}
	.header .nav .children li a{color: #333;text-align: left;}

}

@media screen and (max-width: 768px){
	.space,
	.space_min{padding-top: 30px !important;padding-bottom: 30px !important;}
	
	.header .nav> ul> li:last-child{display: flex;}

}	

@media screen and (max-width: 525px){
	.header .logo img{height: 28px;}
}