/* 全局基础样式 */
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Microsoft YaHei",PingFang SC,Helvetica Neue,Helvetica,Arial,sans-serif;background:#fdf8f5;color:#333;line-height:1.8;font-size:16px;padding-top:90px;}
a{text-decoration:none;color:#D62828;transition:all 0.3s;}
a:hover{color:#B71C1C;}
.container{width:100%;max-width:1000px;margin:0 auto;padding:0 20px;}
/* 头部导航 */
.header{width:100%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.05);position:fixed;top:0;left:0;z-index:999;}
.header .container{display:flex;justify-content:space-between;align-items:center;height:80px;}
.logo-box{display:flex;align-items:center;gap:12px;}
.logo-icon{max-width:48px;width:100%;min-width:32px;height:auto;border-radius:8px;background:#fef2f2;display:flex;align-items:center;justify-content:center;color:#D62828;font-size:24px;}
.logo-text{font-size:24px;font-weight:700;color:#222;}
.logo-text span{color:#D62828;}
/* 面包屑 */
.breadcrumb{padding:20px 0;border-bottom:1px solid #fef2f2;margin-bottom:30px;font-size:14px;color:#666;}
.breadcrumb a{color:#666;}
.breadcrumb a:hover{color:#D62828;}
.breadcrumb span{margin:0 8px;color:#999;}
/* 文章内容 */
.article-content{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,0.05);margin-bottom:40px;}
.article-title{font-size:32px;font-weight:700;color:#222;margin-bottom:20px;line-height:1.4;}
.article-meta{color:#999;font-size:14px;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #fef2f2;}
.article-body{font-size:18px;color:#333;line-height:1.9;}
.article-body h2{font-size:24px;margin:30px 0 15px;color:#222;}
.article-body h3{font-size:20px;margin:25px 0 10px;color:#222;}
.article-body p{margin-bottom:20px;}
.article-body ul{margin:20px 0 20px 40px;}
.article-body li{margin-bottom:10px;}

.back{text-align:center;margin-top:30px}
.back a{color:#0088ff;text-decoration:none}
/* 底部 */
.footer{width:100%;background:#222;color:#999;padding:60px 0 20px;margin-top:60px;}
.footer-copyright{width:100%;text-align:center;padding-top:40px;margin-top:40px;border-top:1px solid #333;font-size:14px;}