document.writeln("<style>li {    float: right;    color: #666;    font-size:16px;    line-height:30px;    list-style:none;}li:first-child {    float: left;}li a {    color: #666;}li a:hover {    color: #0157b3;}</style>  <li>上一篇：<a href=\"http://www.tianyuan.gov.cn/c16328/20210915/i1771415.html\">硬质合金园</a></li>  <li>下一篇：<a href=\"http://www.tianyuan.gov.cn/c16328/20210930/i1778485.html\">&quot;一区三园“相关情况介绍</a></li>");