body{ background-color:#f5f5f5;font-family: Helvetica, Arial, sans-serif,\5FAE\8EDF\6B63\9ED1\9AD4,\65B0\7D30\660E\9AD4; *font-family:\5FAE\8EDF\6B63\9ED1\9AD4,\65B0\7D30\660E\9AD4,Helvetica, Arial, sans-serif;
 /*
  This sets the font of all elements to 10px. Browsers default to 16px.
  16 * .625 = 10. This makes using ems much easier. 1em = 10px.
  1.2em = 12px. Remember inheritance.
 */
font-size: 14px;line-height: 18px;letter-spacing: 0.02em;color:#555050;font-weight: 700;}
.index_bg{background-image: url(../images/bg.jpg);background-repeat: no-repeat;background-position: center top;}
.content{ width:940px; margin:0 auto;}
.btn{height:43px; width:500px; padding:0 0 0 440px;}
.btn ul li{ float:left;}
.buy{ width:107px; height:29px; padding:572px 0 21px 610px;}
.content_a{ height:236px; background-color:#ede5df;}
.a_title{ width:180px; padding:47px 0 0 30px; float:left;}
.a_content{ width:700px; height:140px; float:right; padding:47px 0 0 0;}
.a_content ul li{ float:left; padding:0 25px 0 0;}
.content_b{ height:405px;background-color:#fff;}
.b_content{ width:700px; height:140px; float:right; padding:25px 0 ;}
.b_content ul li{ float:left; padding:0 25px 0 0;}
.content_c{ height:300px;background-color:#fff;}
.clean{ clear:both;}