<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">body{background:#e9e9e9}body .main{width:1170px;margin:0 auto}.csdn-nav{background-color:#fff;border-bottom:2px solid #e1e1e1;margin-bottom:10px}.csdn-nav .container{position:relative;width:1170px;padding:0}.csdn-nav .container li.last{position:absolute;right:0;top:10px;margin-right:0}.csdn-nav .container li.last a{padding:0;width:122px;height:33px;line-height:33px;background:#63b3cb;color:#fff;text-align:center}.csdn-nav .container li.last a:hover{opacity:.9;border-bottom:none}.csdn-nav .navbar-nav&gt;li.active,.csdn-nav .navbar-nav&gt;li&gt;a:hover{background-color:transparent;border-bottom:2px solid #dc3c00;margin-bottom:-2px}.left_question{width:200px;border:1px solid #f0f0f0;overflow:hidden;background-color:#fff;float:left;padding:15px 20px}.left_question li{font-size:14px;color:#333;line-height:30px}.right_answer{width:960px;border:1px solid #f0f0f0;overflow:hidden;background-color:#fff;float:right}.right_answer dl{overflow:hidden;margin-bottom:20px}.right_answer dt{height:45px;border-bottom:1px solid #f0f0f0;font-size:18px;color:#000;line-height:45px;font-weight:400;text-indent:20px}.right_answer dd p{font-size:14px;color:#666;line-height:24px;margin:15px 20px 20px}</pre></body></html>