/* 全局现代化样式优化 */
*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei",sans-serif}
body{background:#f5f7fa;color:#333;line-height:1.7}
a{color:#222;text-decoration:none}
a:hover{color:#0078d4}
img{max-width:100%;height:auto;border:none;display:block}
table{border-collapse:collapse;border-spacing:0}
ul,ol{list-style:none}
.center{max-width:1000px;margin:0 auto}
.clear{clear:both}

/* 头部 */
.header{background:#fff;border-bottom:1px solid #eee;padding:15px 0}
.logo{float:left}
.nav{float:right;margin-top:15px}
.nav li{display:inline-block;margin-left:20px}
.nav li a{font-size:15px;font-weight:500;padding:5px 0}
.nav li a:hover{border-bottom:2px solid #0078d4}

/* 搜索 */
.search{background:#fff;padding:12px 15px;margin:15px auto;border-radius:8px;box-shadow:0 1px 5px rgba(0,0,0,.05)}
.search-form{display:inline-block}
.search input[type="text"]{padding:8px 12px;width:240px;border:1px solid #ddd;border-radius:4px;outline:none}
.search input[type="submit"]{padding:8px 16px;background:#0078d4;color:#fff;border:none;border-radius:4px;cursor:pointer}
.search input[type="submit"]:hover{background:#005a9e}

/* 内容主体 */
.container{background:#fff;padding:25px;border-radius:10px;box-shadow:0 1px 8px rgba(0,0,0,.05);margin-bottom:20px}
.position{font-size:14px;color:#666;margin-bottom:15px}
.article-title{font-size:24px;color:#222;margin-bottom:12px;line-height:1.4}
.article-info{font-size:13px;color:#888;margin-bottom:20px;padding-bottom:15px;border-bottom:1px dashed #eee}
.content{font-size:16px;line-height:1.9;color:#333;word-break:break-all}
.content p{margin-bottom:15px}
/* 内容图片居中 */
.content img{display:block;margin:10px auto;border-radius:6px}

/* TAG标签样式 */
.tag-box{margin:25px 0;padding-top:20px;border-top:1px dashed #eee}
.tag-box h4{font-size:15px;color:#333;margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{background:#f1f5f9;color:#333;padding:6px 12px;border-radius:20px;font-size:14px}
.tag-list a:hover{background:#0078d4;color:#fff}

/* 相关推荐 */
.related{margin-top:30px}
.related h3{font-size:16px;color:#222;margin-bottom:12px;padding-left:10px;border-left:3px solid #0078d4}
.related-img{display:flex;gap:10px;margin-bottom:20px}
.related-img li{width:25%;text-align:center}
.related-img img{width:100%;height:90px;object-fit:cover;border-radius:4px;margin-bottom:5px}
.related-text li{line-height:1.8;padding:4px 0}
.related-text li a{font-size:14px}

/* 侧边栏 */
.sidebar{background:#fff;padding:20px;border-radius:10px;box-shadow:0 1px 8px rgba(0,0,0,.05)}
.sidebar h3{font-size:16px;margin-bottom:15px;padding-left:10px;border-left:3px solid #0078d4}
.sidebar ul li{line-height:2.2;border-bottom:1px dotted #eee;font-size:14px}

/* 底部 */
.footer{background:#222;color:#aaa;padding:30px 0;text-align:center;margin-top:20px}
.footer a, .footer a:link, .footer a:visited, .footer a:hover, .footer a:active{color:#aaa !important; text-decoration:none;}