.book-detail{ width:100%; overflow:hidden;}
.book-img{ float:left; margin-right:20px;}
.book-info{ float:right;}
.book-info h2{ font-family:"微软雅黑"; font-size:18px; font-weight:normal; padding:0px; margin-bottom:20px;}
.book-item{ margin-bottom:20px; }
.book-item p{ line-height:28px; padding:0px; margin:0px;}
.book-item b{ font-size:16px; color:red;}
.book-btn input{ border:none; border-radius:3px; font-size:16px; background:#3f9bd1; padding:8px 30px; color:#fff; margin-right:10px; cursor:pointer;}