* { box-sizing: border-box; margin: 0; padding: 0; font-family: "PingFang SC", "Microsoft YaHei", sans-serif; }
body { font-size: 16px; line-height: 1.6; color: #333; background-color: #fff; }
a { color: #004276; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }
.clearfix::after { content: ""; display: table; clear: both; }
#top { background-color: #f5f5f5; border-bottom: 1px solid #e0e0e0; padding: 8px 0; font-size: 14px; }
.top-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; }
#when { color: #666; }
.top-r a { margin-left: 15px; color: #666; }
.navbar { background-color: #304c78; color: white; position: relative; }
.navbar-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; height: 50px; }
.logo { display: flex; align-items: center; height: 100%; }
.logo img { height: 40px; max-height: 100%; width: auto; object-fit: contain; }
.nav-links { display: flex; }
.nav-links li { margin-left: 20px; }
.nav-links a { color: white; font-size: 16px; }
.nav-links a:hover { color: #ddd; }
.mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 24px; cursor: pointer; }
.breadcrumb { padding: 15px 0; font-size: 14px; color: #666; max-width: 1200px; margin: 0 auto; padding: 15px; }
.breadcrumb a { color: #004276; }
.main-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; display: flex; flex-wrap: wrap; }
.article-main { flex: 1; min-width: 0; padding-right: 20px; width: 70%; }
.article-header { margin-bottom: 20px; text-align: center; }
.article-title { font-size: 24px; line-height: 1.4; margin-bottom: 15px; color: #333; }
.article-meta { color: #666; font-size: 14px; margin-bottom: 20px; }
.article-content { font-size: 16px; line-height: 1.8; word-wrap: break-word; overflow-wrap: break-word; }
.article-content p { margin-bottom: 15px; text-align: justify; word-break: break-word; }
.article-tools { margin: 20px 0; display: flex; justify-content: space-between; align-items: center; }
.font-size-controls button { background: #f0f0f0; border: 1px solid #ddd; padding: 5px 10px; margin: 0 5px; cursor: pointer; border-radius: 3px; }
.font-size-controls { display: flex; align-items: center; justify-content: center; width: 100%; margin: 10px 0; }
.font-size-controls span { margin-left: 10px; font-size: 14px; color: #666; }
.article-navigation { margin: 30px 0; font-size: 14px; }
.article-navigation a { display: block; margin-bottom: 10px; }
.article-sidebar { width: 33%; padding-left: 20px; }
.sidebar-section { margin-bottom: 30px; background: #f9f9f9; border-radius: 5px; overflow: hidden; }
.sidebar-title { background: #304c78; color: white; padding: 10px 15px; font-size: 16px; font-weight: bold; }
.sidebar-list li { padding: 10px 15px; border-bottom: 1px solid #eee; }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: block; color: #333; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-list a:hover { color: #304c78; }
#footer { background: #f5f5f5; padding: 20px 0; margin-top: 30px; border-top: 2px solid #304c78; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; text-align: center; }
.footer-links { margin-bottom: 15px; display: flex; flex-wrap: wrap; justify-content: center; }
.footer-links a { margin: 0 10px 5px; color: #666; position: relative; }
.footer-links a:not(:last-child):after { content: "|"; position: absolute; right: -10px; color: #ccc; }
.copyright { color: #666; font-size: 14px; }
@media (max-width: 992px) { .article-main { width: 100%; padding-right: 0; order: 1; } .article-sidebar { width: 100%; padding-left: 0; margin-top: 30px; order: 2; } .main-container { flex-direction: column; } }
@media (max-width: 768px) { 
.top-container, .navbar-container, .main-container, .footer-container { padding: 0 10px; } 
.nav-links { display: none; position: absolute; top: 50px; left: 0; right: 0; background: #304c78; flex-direction: column; padding: 10px 0; z-index: 1000; } 
.nav-links.active { display: flex; } 
.nav-links li { margin: 0; border-bottom: 1px solid rgba(255,255,255,0.1); } 
.nav-links a { display: block; padding: 10px 15px; } 
.mobile-menu-btn { display: block; } 
.article-title { font-size: 20px; } 
.article-content { font-size: 16px; line-height: 1.7; } 
.footer-links { flex-direction: row; flex-wrap: wrap; } 
.footer-links a { margin: 5px 10px; } 
.footer-links a:after { display: none; } }
@media (max-width: 480px) { .article-title { font-size: 18px; } .article-meta { font-size: 12px; } .article-content { font-size: 15px; } .footer-links a { margin: 3px 5px; font-size: 14px; } }