/* be in common use layout*/
ul,h1,h2,h3,h4,h5,h6 {
    padding: 0;
    margin: 0;
}

li {  list-style: none;}
/*about*/
.pro-box{ max-width: 1300px;  width: 100%; margin:0px auto;clear: both;background:#fff;position: relative;}

.pro-box .bt{ text-align:center; margin-bottom:20px;}


.pro-bigimg{width:100%; position:relative; margin-top:20px;}
.img-list{ max-width:1300px; margin: 0 auto;}
.img-list li>a{ float: left; width: 15%; margin: 1%; position: relative; overflow: hidden; border:1px solid #ececec;}
.img-list li>a:first-child{ margin-left: 0;}
.img-list li>a:last-child{ margin-right: 0;}
.img-list li>a img{ max-width: 100%; height: auto;}
.img-list li>a h3{ position: absolute; bottom: 20px;text-align: center; width: 100%; font-size:16px;}

ul.small-img {
   width:100%;
    position: static;
    max-width: 1300px;
    margin: 0 auto;
}

ul.small-img li {
    display: inline-block;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    background:#fbfbfb;
    width: 25.5%; 
    height: auto;
    text-indent: 0;
    opacity: 1;
    position: relative;
    border-top:0;
    border-bottom: 0;
}

ul.small-img li>img {
    max-width: 100%;
    height:auto;
}
ul.small-img li p{ 
    font-size: 18px;
    line-height: 40px;
    position:relative;
    z-index:2;
    /*text-transform: uppercase;*/
    transition:color 0.3s;
	color:#595959; 
   }
	
ul.small-img li:hover p{
    color: #fff;
    transition:color 0.3s;
}
ul.small-img li.active {

}
ul.small-img li.active:after{  width:100%;  height: 100%;  top:0;  left: 0;  transition:all 0.3s;}
ul.small-img li:after{
    width: 0;
    height: 0;
    background:#02529b;
    position: absolute;
    top:50%;
    left: 50%;
    z-index: 1;
    transition:all 0.3s;
    content:"";
}
ul.small-img li:hover:after{
    width:100%;
    height: 100%;
    top:0;
    left: 0;
    transition:all 0.3s;
}
ul.small-img li.active p{
    color: #fff;
}

.about-arrow {
    position: absolute;
    bottom:45%;
    z-index: 999;

    width: 100%;
}

.about-arrow a {
    display: inline-block;
    width: 50px;
   overflow: hidden;
}

.small-img .bg{
    margin: 8px auto 0;
    width: 87px;
    display: block;
    position: relative;
    z-index: 2;
    height: 85px;
}

.small-img li .bg0{
    background: url(../images/wel08.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li .bg1{
    background: url(../images/wel09.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li .bg2{
    background: url(../images/wel10.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li .bg3{
    background: url(../images/wel11.png) no-repeat center;
    transition:background 0.3s;
}


.small-img li:hover .bg0,ul.small-img li.active .bg0{
    background: url(../images/wel08_h.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li:hover .bg1,ul.small-img li.active .bg1{
    background: url(../images/wel09_h.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li:hover .bg2,ul.small-img li.active .bg2{
    background: url(../images/wel10_h.png) no-repeat center;
    transition:background 0.3s;
}
.small-img li:hover .bg3,ul.small-img li.active .bg3{
    background: url(../images/wel11_h.png) no-repeat center;
    transition:background 0.3s;
}


@media (max-width:640px){
    ul.small-img{ display: block;}
	ul.small-img li { width: 23%; height:160px; vertical-align: bottom;}
	ul.small-img li p {font-size:16px; line-height:21px;}

}
@media (max-width:450px){
    ul.small-img{ display: block;}
    ul.small-img li { width: 22.5%; height:140px; vertical-align: bottom;}
	ul.small-img li p {font-size:16px; line-height:21px;}
    .img-list li>a{ float: left; width: 31.6%; margin: 1%; position: relative; overflow: hidden;}
	
	.img-list li>a:nth-child(3){ margin-right:0;}
	.img-list li>a:nth-child(4){ margin-left:0;}
	
	.small-img li .bg0 {background-size:70%;}
	.small-img li .bg1 {background-size:70%;}
	.small-img li .bg2 {background-size:70%;}
	.small-img li .bg3 {background-size:70%;}
	.small-img li:hover .bg0,ul.small-img li.active .bg0{ background-size:70%;}
	.small-img li:hover .bg0,ul.small-img li.active .bg1{ background-size:70%;}
	.small-img li:hover .bg0,ul.small-img li.active .bg2{ background-size:70%;}
	.small-img li:hover .bg0,ul.small-img li.active .bg3{ background-size:70%;}
	
	
}