@charset "utf-8";
/* CSS Document */
html{font-size:20px;}
body{font-size:.8rem;color:#2f2f2f;font-family:'Microsoft YaHei',Simsun,Arial,Verdana,Sans-serif;}
html,body{margin:0px;padding:0px;width:100%;height:100%;}
html *{outline:0;-webkit-text-size-adjust:none;-webkit-tap-highlight-color: rgba(0,0,0,0);}
*{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;}
h1, h2, h3, h4, h5, h6{font-size:100%;font-weight:normal;margin:0;padding:0; }
video,
img{border:none;max-width:100%;}
div,ul,li,dl,dt,dd,p,form{margin:0;padding:0;}
ul,li,dl,dt,dd{list-style:none;}
a{font-size:inherit;text-decoration:none;color:#2f2f2f;}
a:hover,
a:focus{ text-decoration:none; color:#008bd0;
	-webkit-transition: all 0.4s ease;
	-moz-transition: all 0.4s ease;
	-o-transition: all 0.4s ease;
	transition: all 0.4s ease;
}
a:active{color:inherit; text-decoration:none;}
i,em{font-style:normal;}
select,input,textarea,button{font-family:inherit; font-size:inherit;}
table { border-spacing: 0; border-collapse: collapse; background-color: transparent; }
td, th { padding: 0; }
th { text-align: left; }
tr { vertical-align: middle; }

.clearfix:before,
.clearfix:after{display:table;content:" ";clear:both;}
.tbl-type{display:table;width:100%;table-layout:fixed}
.tbl-cell{display:table-cell;}
.fl{float:left;}
.fr{float:right;}
.fn{float:none;}
.center{ text-align:center; }
.right{ text-align:right; }
.valign *{ display:inline-block; vertical-align:middle; }

.ellipsis{ display: -webkit-box!important; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden; }
.ellipsis.lc2 { -webkit-line-clamp: 2; }
.ellipsis.lc3 { -webkit-line-clamp: 3; }
.ellipsis.lc4 { -webkit-line-clamp: 4; }

.shadow { box-shadow: 0 0 20px rgba(103, 103, 103, .2); }
.hide{ display: none; }

* .pc-used{ display: block!important; }
* .m-used{ display: none!important; }

body{ background-color: #f5f5f5; }
.wrap{ width:100%; padding:0 25px; max-width:1600px; margin: 0 auto; }
.container{ padding-top:80px; }


.header{ width: 100%; position: fixed; left: 0; top: 0; z-index: 70; }
.copyright{ position:absolute; top:auto; bottom: 20px; left:0; z-index: 71; width:100%; display:block; text-align: center; color: #fff; }
.copyright a{ color: #fff; }

#menu { text-align: center; }
#menu li { display: inline-block; padding: 0 20px; font-size: 1.2rem; }
#menu a { display: block; padding: 15px 30px; color: #fff;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	-o-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
#menu .active a { color: #fff; background-color: rgba(0,0,0,.65); border-bottom-left-radius:10px; border-bottom-right-radius:10px; }

.project,
.case,
.contact,
.welcome{ background: url(../images/page-1.jpg) no-repeat; background-size: cover; text-align: center;/* padding:80px 0 60px 0;*/ }

.contact .title-box,
.welcome h1{ color: #1a2733; font-size: 2.3rem; font-weight: 400; padding-bottom:40px; }
.welcome p{ color: #1a2733; font-size: 1rem; font-weight: 400; line-height: 2; }
.arrow{ position:relative; width:100%; height:80px; }
.arrow a span{ display: block; position: absolute; width:36px; height:36px; top: 50px; left: 50%; margin-left: -18px; background: url(../images/arrow.png) center no-repeat; z-index: 11;
	animation:mymove 1s infinite;
	-webkit-animation:mymove 1s infinite;
}
@keyframes mymove{
	from {top:50px;}
	to {top:76px;}
}
@-webkit-keyframes mymove{ /*Safari and Chrome*/
	from {bottom:50px;}
	to {top:76px;}
}


.project{ background-image:url(../images/page-2.jpg); }
.case{ background-image:url(../images/page-3.jpg); }
.contact{ background-image:url(../images/page-4.jpg); }

.project .item { display: block; width: 100%; padding: 50px 30px; }
.project .item a { display: block; -webkit-transition: all .5s ease; transition: all .5s ease; border: 1px solid #ddd; text-align: center; background-color: #ffffff; padding: 30px; }
.project .item a:hover { box-shadow: 0 15px 30px 0 rgba(0, 0, 0, .19); transform: translate3d(0, -5px, 0); transition: all .3s cubic-bezier(.55, 0, .1, 1); }
.project .item .icon { width: 180px; height: 100px; display: block; margin: 0 auto;
    -webkit-transition: all 0.8s ease;
    transition: all 0.8s ease
}
.project .item:hover .icon { background-position: -180px 0; }
.project .item i { display: block; font-size: .9rem; color: #333; margin-top: 30px; margin-bottom: 10px; }
.project .item span{ display:block; width: 90px; height: 28px; line-height: 28px; margin: auto; border-radius: 38px; background-color: #007aff; color: #ffffff; margin-bottom: 10px; font-size: .7rem; }
.project .item p { font-size: .7rem; color: #666; display: block }

.title-box { text-align: center; color: #e5e5e5; }
.title-box span { display: inline-block; font-size: 1.5rem; color: #fff; margin-bottom: 15px; border-bottom:2px solid rgba(255, 255, 255, 0.75); padding-bottom:10px; }

.btn-box{ margin-bottom:50px; }
.more-box a,
.btn-box a{ display:inline-block; padding:10px 20px; border-radius:5px; background-color:#007aff; color:#fff; margin-left:30px; }
.more-box a:first-child,
.btn-box a:first-child{ margin-left:0; }

.more-box{ margin-top:30px; }

.case-list{ padding:30px 80px; }
.case-list ul{ margin-left:-30px; margin-top:-20px; }
.case-list li{ width:25%; padding-left: 30px; float: left; padding-top: 20px; }
.case-list li>a{ display:block; position:relative; }
.case-list li:first-child{ width:50%; }

.case-list li>a img{ display:block; }
.case-list li .bdbox{ position: absolute; z-index: 9; left: 15px; top: 15px; right: 15px; bottom: 15px; }
.case-list li .bdbox .b_t,
.case-list li .bdbox .b_r,
.case-list li .bdbox .b_b,
.case-list li .bdbox .b_l{ position: absolute; z-index: 1; background-color: #fff;
	-webkit-transition: all 340ms linear 150ms;
	transition: all 340ms linear 150ms;
}
.case-list li .bdbox .b_t{ top: 0; right: 100%; left: 0%; height: 1px; }
.case-list li .bdbox .b_r{ top: 0%; right: 0; bottom: 100%; width: 1px; }
.case-list li .bdbox .b_b{ left: 0%; right: 100%; bottom: 0; height: 1px; }
.case-list li .bdbox .b_l{ top: 0%; bottom: 100%; left: 0; width: 1px; }

.case-list li a:hover .bdbox .b_t{ left: 0; right: 0; }
.case-list li a:hover .bdbox .b_r{ top: 0; bottom: 0; }
.case-list li a:hover .bdbox .b_b{ left: 0; right: 0; }
.case-list li a:hover .bdbox .b_l{ top: 0; bottom: 0; }

.case-list li .contain{ position: absolute; z-index: 10; width: 100%; text-align: center; color: #fff; opacity: 0; filter: alpha(opacity=0); *zoom: 1; visibility: hidden; top: 50%;
	-webkit-transform: translateY(-20%);
	transform: translateY(-20%);

	-webkit-transition: all 250ms ease 0ms;
	transition: all 250ms ease 0ms;
}
.case-list li .contain img{ display: inline-block; position: relative; width: auto; max-width:240px; }
.case-list li:first-child .contain img{ max-width:320px; }
.case-list li .contain h3{ margin: 10px 30px 15px 30px; font-size: .9rem; }

.case-list li a:hover .contain{ opacity: 1; filter: alpha(opacity=100); visibility: visible;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
}
.case-list li .contain::after{ content: " "; display: block; margin-left: auto; margin-right: auto; width: 38px; height: 38px; border-radius: 50%; border: #ffffff solid 1px; background-image: url(../images/more-arrow.png); background-size: auto; background-position: 50% 50%; background-repeat: no-repeat; opacity: 0;
	-webkit-transform: rotate(90deg) translateX(10px) scale(0.8);
	transform: rotate(90deg) translateX(10px) scale(0.8);
	
	-webkit-transition: all 220ms ease 0s, all 220ms ease 0s;
	transition: all 220ms ease 0s, all 220ms ease 0s;
}
.case-list li a:hover .contain::after{ opacity: 1;
	-webkit-transform: rotate(90deg) translateX(0);
	transform: rotate(90deg) translateX(0);
}
.case-list li a::after{ content: " "; position: absolute; left: 0; top: 0; width: 100%; height: 100%; z-index: 8; background-color: #eb2121; opacity: 0;
	-webkit-transition: all 600ms ease 0s;
	transition: all 600ms ease 0s;
	-webkit-clip-path: polygon(50% 20%, 50% 50%, 20% 50%, 50% 50%, 50% 80%, 50% 50%, 80% 50%, 50% 50%);
	clip-path: polygon(50% 20%, 50% 50%, 20% 50%, 50% 50%, 50% 80%, 50% 50%, 80% 50%, 50% 50%);
}
.case-list li a:hover::after{ opacity: 1;
	-webkit-clip-path: polygon(50% 0%, 0% 0%, 0% 50%, 0% 100%, 50% 100%, 100% 100%, 100% 50%, 100% 0%);
	clip-path: polygon(50% 0%, 0% 0%, 0% 50%, 0% 100%, 50% 100%, 100% 100%, 100% 50%, 100% 0%);
}

.contact-info{ line-height:2; color: #000; margin-bottom: 10px; }
.contact-info .ewm{ margin-top:10px; }