.left_menu{width:200px;padding:0;vertical-align:top;background:#f8f9fa;border-right:1px solid #e8e8e8;}.left_menu ul{list-style:none;margin:0;padding:0;}.left_menu_li{border-bottom:1px solid #eee;transition:all 0.2s ease;}.left_menu_li:last-child{border-bottom:none;}.left_menu_li a{display:block;padding:14px 20px;font-size:15px;color:#333;text-decoration:none;position:relative;}.left_menu_li a:hover{background:#1a73e8;color:#fff;padding-left:28px;}.left_menu_li a:hover::before{content:'';position:absolute;left:14px;top:50%;transform:translateY(-50%);width:4px;height:16px;background:#fff;border-radius:2px;}.left_menu_li[id] a[href*="licheng.html"]{background:#1a73e8;color:#fff;font-weight:bold;}.left_box{border:1px solid #e8e8e8;border-radius:4px;margin-left:20px;padding:30px;min-height:500px;}.left_box .pos{color:#999;font-size:13px;margin-bottom:20px;padding-bottom:15px;border-bottom:1px dashed #e0e0e0;}.left_box .pos a{color:#666;}.left_box .pos a:hover{color:#1a73e8;}@media (max-width:768px){.left_menu{width:100%;display:block;border-right:none;border-bottom:1px solid #e8e8e8;}.left_menu ul{display:flex;flex-wrap:wrap;}.left_menu_li{flex:1 1 auto;border-bottom:none;}.left_menu_li a{padding:10px 12px;font-size:13px;text-align:center;}.left_box{margin-left:0;padding:15px;}}