.box{width:960px; height:1600px; margin:0 auto;}
.border_C3D4EA{border:1px solid #C3D4EA;}

/*part_1*/
.part_1{width:960px; height:360px;}
.part_1L{width:678px; height:358px; float:left; background:url(../images/part_1L_bg.gif) no-repeat;}
.part_1R{width:270px; height:360px; float:right;}
.part_1R_title{line-height:30px; padding-left:10px; font-weight:600; font-size:14px;}
.part_1R{float:right; width:268px; height:358px; overflow:hidden;}
.part_1R h2 img{margin:7px 10px;}
.part_1L_left{width:340px; height:358px; float:left;}
.part_1L_list{width:330px; float:left; height:348px; padding-left:7px; overflow:hidden;}
.part_1L_list .title{ margin:auto; font-size:14px; font-weight:bold; line-height:50px; text-align:center;}
.part_1L_list .listzi{ font-size:14px; margin-top:5px;}
.part_1L_list .listzi a{ font-size:14px;}

/*幻灯*/
.part_1L_hd{width:320px; height:348px; margin:10px 0 5px 10px;}
.part_1L_hd span{line-height:34px; display:block;}
.part_1L_hd p{display:block; width:320px;}

/*广告*/
.part_1R_ad1{width:270px; height:50px;}
.part_1R_ad1 img{width:270px; height:50px;}

/*活动平台*/
.part_1R_hdpt{width:268px; height:338px;}
.part_2R_title{line-height:30px; padding-left:10px; font-weight:600; font-size:14px;}
.part_1R_hdpt h2 img{margin:7px 10px;}

/*part_ad1*/
.part_ad1{width:960px; height:90px;}
.part_ad1 .float_left{padding:0;}
.part_ad1 .float_right{padding:0;}

/*part_2*/
.part_2{width:960px; height:340px;}
.part_2L{float:left; width:678px; height:338px; overflow:hidden;}
.part_2R{float:right; width:268px; height:338px; overflow:hidden;}

/*能源新闻*/
.part_2L h1{background:url(../images/part_2L_title.gif); height:34px; line-height:31px; padding-left:25px;}
.part_2L h1 .float_left{font-weight:600; font-size:14px;}
.part_2L_img{width:330px; float:left; padding-left:10px; height:334px;}
.part_2L_text{width:330px; float:right; height:324px; padding-top:10px;}
.part_2R h2 img{margin:7px 10px;}

/*part_ad2*/
.part_ad2{width:960px; height:80px;}