/* - - - - - - - - - 各浏览器样式默认值标准化 - - - - - - - - -*/

html,body,span,object,iframe,h1,h2,h3,h4,h5,p,blockquote,pre,

a,address,code,

del,em,img,dl,dt,dd,ol,ul,li,

fieldset,form,label{margin:0;padding:0;border:0;font-style:inherit;font-family:inherit;vertical-align:baseline;}

article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,audio,video{margin:0;padding:0;display: block;}

html{-webkit-text-size-adjust:none;}

img{border:none;vertical-align:middle;}

input,select,button{padding:0;margin:0;outline:none;font-family:inherit;vertical-align:middle;}

textarea{font-family:inherit;padding:0;margin:0;}

button{cursor:pointer;}

html{overflow-x:hidden;}

body{font-size:12px;background: #100f1d url(../images/body.jpg) repeat-y center top;font-family:'Microsoft YaHei';}

ul,ol{list-style-type:none;}

h1{font-size:24px;}

h2{font-size:18px;}

h3,h4{font-size:14px;}

h5{font-size:12px;}

i,em,address{font-style:normal;}

a{text-decoration:none;color:#4f4f4f;}

a:hover{text-decoration:underline;transition:color 200ms linear 0s,background-color 200ms linear 0s,border-color 200ms linear 0s;}

/*鼠标悬停时*/

a:active{}

/*点击与释放时*/

a:visited{}

/* 访问过*//* - - - - - - - - - 常用类样式 - - - - - - - - -*/

.photo_fullsize img{display:block;width:100%;height:100%;}

/*图片全尺寸*/

.no_bor{border:none!important;}

/*无边框*/

.no_bg{background:none!important;}

/*无背景*/

.clear{display:block;height:0;line-height:0;overflow:hidden;clear:both;font-size:0;}

/*清除浮动*/

.clear_::after{content:"";display:block;clear:both;height:0;line-height:0;overflow:hidden;}

/*清除浮动*/

.center{margin:0 auto;width:1280px;}

#centera{margin:0 auto;width:1280px;}

.center4{margin:0 auto;width:1280px;}

/*让内容区块居中*//*图片全尺寸*/

.photo,.photo_fullsize{display:block;overflow:hidden;}

.photo img,.photo_fullsize img{display:block;width:100%;height:100%;}

/*图片自适应尺寸*/

.photo_autosize{text-align:center;display:block;overflow:hidden;}

.photo_autosize::after{height:100%;width:0;overflow:hidden;font-size:0;line-height:0;display:inline-block;vertical-align:middle;content:"";}

.photo_autosize img{max-width:100%;max-height:100%;}

/*图片自适应全尺寸*/

.photo_autofullsize{overflow:hidden;display:block;background-size:cover!important}

.photo_autofullsize img{display:none;}

#backtop{display:none;background:url(../../images/arrow_top.png) no-repeat left top;cursor:pointer;height:50px;width:50px;position:fixed;_position:absolute;bottom:20px;_top:expression(eval(document.documentElement.scrollTop document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));_bottom:auto;z-index:11500;right:20px;}

#backtop:hover{background-position:left bottom;}