*{ margin:0; padding:0;}
body{font:12px/18px Arial, Helvetica, sans-serif; color:#737f8d; margin:0px 0px; padding:0px 0px;}
div,ul,li{ margin:0px auto; padding:0px 0px;}
ul,li{ list-style-type:none;}
h3{ font:16px/20px "微软雅黑";  padding:10px; color:#2861af; font-weight:bold; }
A:link,A:visited {color:#737f8d; text-decoration: none;}
A:hover {color:#f65320; text-decoration: underline;}

.gt{ font-size:13px;}

/*顶部*/
.top{ width:877px; height:74px; padding:18px 32px 0px 32px;}
.logo{ float:left; width:136px; height:69px;}
.member{ float:right; color:#4581bd;}

.member A:link,.member A:visited {color:#4581bd; text-decoration: none;}
.member A:hover {color:#4581bd; text-decoration: underline;}

/*导航*/
.nav{ width:941px; height:37px; background:url(../images/nav_bg.jpg); color:#000000; overflow:hidden;}
.nav ul{ list-style:none; margin:0px 0px; padding:0px 0px;}
.nav li{ float:left; height:37px;}
.nav li.line{ float:left; width:2px; height:37px; background:url(../images/nav_line.jpg); margin:0px 0px; padding:0px 0px;}

.nav li A:link,.nav li A:visited {color:#000; text-decoration: none;}
.nav li A:hover {color:#000; text-decoration: underline;}

.nav_yy{ width:941px; height:14px; background:url(../images/nav_yy.jpg); overflow:hidden;}

/*底部*/
.bottom_nav{ width:941px; height:30px; border:1px solid #e5e5e5; border-left:none; border-right:none; text-align:center; line-height:30px; margin-bottom:6px;}

.bottom_nav A:link,.bottom_nav A:visited {color:#4581bd; text-decoration: none;}
.bottom_nav A:hover {color:#4581bd; text-decoration: underline;}

.bottom{ width:941px; height:100px; text-align:center; line-height:20px;}

A.mail:link,A.mail:visited {color:#4581bd; text-decoration: none;}
A.mail:hover {color:#4581bd; text-decoration: underline;}
A.micronet:link,A.micronet:visited {color:#0e26d6; text-decoration: none;}
A.micronet:hover {color:#0e26d6; text-decoration: underline;}





.bg { clear:both; border-top:1px solid #c1c1c1; padding:0; margin:5px 0 0 0; background:none; }
.Introduction{ width:300px; float:left; padding:0 0 0 10px;}
.Introduction1{ width:280px; float:left; padding:15px 0 0 10px;}
.Project{ width:200px; float:left; padding:0 0 0 5px; margin:0 22px 0 0 ;}
.Project1{ width:180px; float:left; padding:15px 0 0 10px;}
.Project ul { list-style-type:none; margin:0;}
.Project ul li{ padding:0;}
.Project ul li a{ font:12px/14px "宋体"; padding:0px 0 0 15px; margin:0px 0 0 10px; text-align:left; display:block;} 
.hp_text ul { margin:5px 0 0 0; list-style-type:none; }
.hp_text ul li a{ font:12px/18px "宋体"; padding:2px 0 0 15px; margin:0px 0 0 10px; text-align:left; display:block;} 
.f a{ font:18px/25px "微软雅黑"; padding:10px 0 20px 50px; display:block; color:#990033;}
.buttom{ width:90px; float:left; margin:0px 0 0 0; }
table td p{ font:12px Arial, Helvetica, sans-serif; color:#737f8d; margin:0px 0px; padding:0px 0px;}
table tr p{ font:12px Arial, Helvetica, sans-serif; color:#737f8d; margin:0px 0px; padding:0px 0px;}

/*--------left--------*/
.left{ width:730px; float:left; margin:0; padding:10px 0; text-align:left;background:url(../images/bg1.jpg) no-repeat;}
.dome{ padding:10px; margin:10px 0 0 15px; background:url(../images/hp_bg_2.jpg) no-repeat; height:200px;}
.dome1{ background:none;padding:10px; margin:0px 0 0 15px;}
.dome2{ width:700px; background:#fff; margin:0 auto; border:1px solid #c1c1c1; border-top:none;}
.dome_main{ width:470px; margin:0; float:left; padding:10px 0 0 0 ;}
.dome_main p{ font:12px/25px "宋体";}
.dome_main p .text_m{ font:14px/25px "微软雅黑"; color:#000000; padding:20px 0 0 0; font-weight:bold; }
.dome_main2{ width:420px; margin:0; float:left; padding:10px 0 0 0 ;}
.left table{ background:none; border:none;}
.left table p, .dome_main2 p{ font:12px/18px "宋体"; font-weight:normal;}
.left table td { border-bottom:1px solid #c1c1c1;}
.dome_main .tt{ color:#000;  font:14px/18px "宋体"; font-weight:bold;}
.next  { width:500px;margin: 0 0 0 200px; padding:10px;}
.next li{ float:left; margin:0 0 0 10px; width:20px; height:20px;}
.next .one{ background:url(../images/nf_bg.jpg) no-repeat;}
.next .two{ background:url(../images/n_bg.jpg) no-repeat;}
.next a{ font:12px/14px "Times New Roman", Times, serif; color:#000000; display:block;  padding:5px; }
.next a:hover{ background:url(../images/nf_bg.jpg) no-repeat;}
/*---------right------*/
.right{ width:200px; float:left; padding:10px 0;background:url(../images/bg1.jpg) no-repeat; margin:0 0 0 0px; font:12px/25px "宋体";}
/*------------------------*/
.banner1{ padding:10px;}

.nav_l{padding:10px 20px 0 0; }
.nav_2{ clear:both;}
.nav_2 ul, .nav_l ul{ margin:0 ; padding:0;}
.nav_2 ul li, .nav_l ul li{ float:left; padding:0 0 0 10px; margin:0;}
.nav_2 ul li, .nav_l, ul li .kk{ color:#3366CC; text-decoration:underline;}
.nav_l .tree{ margin:0 50px 0 0;}

.title{ width:700px; background:#f9f9f9; border:1px solid #dddddd;}
.text_in{background:#e9e9e9; border:1px solid #c1c1c1; border-top:none;}
.text_in p{ padding:10px;}<div style="background-color:yellow;">
<center>
<HR><h1> Testing......</h1><br>
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</center>
</div>