:root {--primary:#0f172a;--secondary:#1e293b;--accent:#3b82f6;--bg:#f8fafc;--text:#0f172a;--gray:#64748b;--light:#f1f5f9;--border:#e2e8f0;--radius:8px;--white:#ffffff;
  --text-light: #94a3b8;
;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:15px}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}

/* 布局容器 */
.layout-wrapper{display:flex;min-height:100vh}

/* 左侧边栏 - 固定20%宽度 */
.fixed-sidebar{width:220px;min-width:220px;background:var(--primary);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}
.sidebar-brand{padding:20px;border-bottom:1px solid rgba(255,255,255,.1)}
.logo{font-size:18px;font-weight:700;color:#fff;text-decoration:none;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo:hover{color:rgba(255,255,255,.8)}

/* 导航菜单 - 竖列显示 */
.main-nav{flex:1;padding:12px 0}
.main-nav ul{list-style:none;padding:0;margin:0}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;color:rgba(255,255,255,.8);font-size:14px;text-decoration:none;transition:all .2s;border-left:3px solid transparent}
.main-nav>ul>li>a:hover{background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--accent)}
.main-nav>ul>li.active>a{background:rgba(255,255,255,.1);color:#fff;border-left-color:var(--accent)}

/* 子菜单 - 横向显示在父菜单右侧 */
.main-nav .has-sub{position:relative}
.main-nav .has-sub>a{justify-content:space-between;padding-right:12px}
.main-nav .has-sub>a svg{transition:transform .2s;flex-shrink:0}
.main-nav .has-sub:hover>a svg{transform:rotate(180deg)}
.main-nav .subnav{display:none;position:absolute;left:100%;top:0;background:var(--primary);min-width:180px;padding:8px 0;box-shadow:4px 0 16px rgba(0,0,0,.3);z-index:200;border-radius:0 var(--radius) var(--radius) 0}
.main-nav .has-sub:hover>.subnav{display:block}
.main-nav .subnav li{margin:0}
.main-nav .subnav a{display:block;padding:8px 16px;color:rgba(255,255,255,.8);font-size:13px;text-decoration:none;transition:all .2s;white-space:nowrap}
.main-nav .subnav a:hover{background:rgba(255,255,255,.1);color:#fff}

/* 搜索按钮 */
.search-toggle{display:flex;align-items:center;justify-content:center;padding:12px 20px;background:none;border:none;color:rgba(255,255,255,.7);cursor:pointer;width:100%;border-top:1px solid rgba(255,255,255,.1);transition:all .2s}
.search-toggle:hover{background:rgba(255,255,255,.1);color:#fff}

/* 联系信息 */
.sidebar-contact{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.6)}
.sidebar-contact p{margin-bottom:4px}

/* 右侧主内容区 - 80%宽度 */
.layout-main{flex:1;margin-left:220px;min-width:0}
.container{max-width:1000px;margin:0 auto;padding:0 24px}

/* Hero区域 */
.hero{background:linear-gradient(135deg,var(--accent),#2563eb);color:#fff;padding:60px 24px;text-align:center}
.hero h1{font-size:28px;font-weight:700;margin-bottom:12px;line-height:1.3}
.hero p{font-size:16px;opacity:.9;margin-bottom:24px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-cta{display:inline-block;padding:10px 24px;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:14px;font-weight:600;border:2px solid var(--accent);transition:all .2s;text-decoration:none}
.btn-cta:hover{background:transparent;color:var(--accent)}
.btn-cta-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-cta-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* 栏目区块 */
.home-category{padding:32px 0;border-bottom:1px solid var(--border)}
.home-category:last-child{border-bottom:none}
.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--accent)}
.section-heading h2{font-size:18px;font-weight:700;color:var(--text);margin:0}
.more-link{font-size:13px;color:var(--accent);text-decoration:none;white-space:nowrap}
.more-link:hover{text-decoration:underline}
.category-desc{font-size:14px;color:var(--gray);margin-bottom:16px;line-height:1.6}

/* 卡片网格 */
.cols-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:all .2s;text-decoration:none;color:var(--text);display:block}
.card:hover{border-color:var(--accent);box-shadow:0 4px 12px rgba(0,0,0,.06)}
.card h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text)}
.card p{font-size:13px;color:var(--gray);line-height:1.5;margin:0}
.card .meta{font-size:12px;color:var(--gray);margin-top:8px;display:flex;gap:10px}

/* 最新资讯 */
.latest-news{padding:32px 0}

/* CTA区域 */
.cta{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;text-align:center;padding:48px 24px}
.cta h2{font-size:24px;margin-bottom:8px}
.cta p{font-size:15px;margin-bottom:20px;color:rgba(255,255,255,.8)}
.cta-contact{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:20px;font-size:13px;color:rgba(255,255,255,.7)}

/* 页头 */
.page-header{background:var(--primary);color:#fff;padding:32px 0;text-align:center}
.page-header h1{font-size:22px}
.breadcrumb{background:var(--bg);padding:10px 0;font-size:13px;border-bottom:1px solid var(--border)}
.breadcrumb a{color:var(--gray)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 6px;color:#cbd5e1}

/* 内容+侧边栏布局 */
.content-with-sidebar{display:grid;grid-template-columns:1fr 260px;gap:24px}
.main-content{min-width:0}
.sidebar-widget{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.sidebar-widget h4{font-size:14px;color:var(--primary);margin-bottom:10px;padding-bottom:6px;border-bottom:2px solid var(--accent)}
.side-nav{list-style:none}
.side-nav li{margin-bottom:4px}
.side-nav a{display:block;padding:6px 8px;font-size:13px;color:var(--text);border-radius:4px;text-decoration:none;transition:background .2s}
.side-nav a:hover{background:var(--light);color:var(--accent)}
.side-nav ul{margin-left:14px}

/* 文章列表 */
.article-list{display:flex;flex-direction:column;gap:16px}
.article-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .2s}
.article-item:hover{box-shadow:0 3px 10px rgba(0,0,0,.05)}
.article-item h2{margin-bottom:6px}
.article-item h2 a{color:var(--text);font-size:15px;text-decoration:none;line-height:1.4}
.article-item h2 a:hover{color:var(--accent)}
.article-item .meta{font-size:12px;color:var(--gray);margin-bottom:6px;display:flex;gap:10px}
.article-item p{font-size:13px;color:var(--gray);margin-bottom:8px;line-height:1.6}
.article-item .more{font-size:12px;color:var(--accent);font-weight:600}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:24px}
.pagination a{padding:6px 12px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:13px;text-decoration:none;transition:all .2s}
.pagination a:hover,.pagination a.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* 详情页 */
.detail{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.detail-header{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.detail-header h1{font-size:20px;margin-bottom:10px;line-height:1.4}
.detail-header .meta{font-size:12px;color:var(--gray);margin-bottom:10px;display:flex;gap:12px}
.body{line-height:1.85;font-size:14px}
.body h2,.body h3{margin-top:20px;margin-bottom:10px;color:var(--primary)}
.body p{margin-bottom:14px}

/* 文章导航 */
.article-nav{display:flex;justify-content:space-between;margin-top:24px;padding-top:16px;border-top:1px solid var(--border);gap:16px}
.article-nav div{flex:1}
.article-nav span{display:block;font-size:11px;color:var(--gray);margin-bottom:4px}
.article-nav a{font-size:13px;color:var(--text);text-decoration:none}
.article-nav a:hover{color:var(--accent)}
.article-nav .next{text-align:right}

/* 相关文章 */
.related{margin-top:24px}
.related h3{font-size:16px;color:var(--primary);margin-bottom:12px;padding-bottom:6px;border-bottom:2px solid var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.related-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:14px;transition:all .2s}
.related-item:hover{box-shadow:0 3px 8px rgba(0,0,0,.05)}
.related-item h4{font-size:13px;color:var(--text);margin-bottom:4px;line-height:1.4}
.related-item span{font-size:11px;color:var(--gray)}

/* 空状态 */
.empty{text-align:center;padding:40px 20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius)}
.empty p{color:var(--gray);font-size:14px}

/* 网站地图 */
.sitemap-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sitemap-section{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.sitemap-section h2{margin-bottom:10px}
.sitemap-section h2 a{font-size:14px;color:var(--primary)}
.sitemap-section ul{list-style:none}
.sitemap-section li{margin-bottom:4px}
.sitemap-section li a{font-size:13px;color:var(--text)}

/* 联系页面 */
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-info h2,.contact-form h2{font-size:16px;color:var(--primary);margin-bottom:14px;padding-bottom:6px;border-bottom:2px solid var(--accent)}
.contact-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.contact-item svg{color:var(--accent);flex-shrink:0;margin-top:2px}
.contact-item h4{font-size:13px;color:var(--text);margin-bottom:2px}
.contact-item p{font-size:13px;color:var(--gray)}
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:13px;color:var(--text);margin-bottom:4px;font-weight:500}
.form-group input,.form-group textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;transition:border-color .2s;background:#fff;color:var(--text)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-btn{padding:8px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}
.form-btn:hover{background:#2563eb}

/* 页脚 */
.site-footer{background:var(--primary);color:rgba(255,255,255,.7);padding:40px 0 0}
.footer-widgets{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--accent);display:inline-block}
.footer-col p,.footer-col ul{font-size:13px;line-height:1.8}
.footer-col ul{list-style:none}
.footer-col a{color:rgba(255,255,255,.6);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;padding:16px 0;font-size:12px;border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* 返回顶部 */
.float-top{position:fixed;bottom:24px;right:24px;width:40px;height:40px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:999;font-size:16px;box-shadow:0 2px 8px rgba(0,0,0,.15);transition:all .2s}
.float-top:hover{background:#2563eb;transform:translateY(-2px)}

/* 响应式 */
@media(max-width:768px){
  .layout-wrapper{flex-direction:column}
  .fixed-sidebar{position:relative;width:100%;min-width:100%;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:0 12px}
  .sidebar-brand{padding:12px;border-bottom:none;border-right:1px solid rgba(255,255,255,.1)}
  .logo{font-size:16px}
  .nav-toggle{display:flex;padding:8px 12px;background:none;border:none;color:#fff;cursor:pointer}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--primary);z-index:100;flex-direction:column}
  .main-nav.active{display:block}
  .main-nav>ul{flex-direction:column}
  .main-nav>ul>li>a{padding:12px 16px;border-left:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .main-nav .subnav{position:static;left:auto;box-shadow:none;padding-left:20px}
  .search-toggle{width:auto;border-top:none;border-left:1px solid rgba(255,255,255,.1)}
  .sidebar-contact{display:none}
  .layout-main{margin-left:0}
  .cols-3{grid-template-columns:1fr}
  .footer-widgets{grid-template-columns:1fr}
  .contact-wrapper{grid-template-columns:1fr}
  .sitemap-list{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .hero{padding:40px 16px}
  .hero h1{font-size:22px}
}


/* ========== 内容区样式补丁 (auto-added) ========== */

/* 段落间距 */
.article-content p,
.article-text p,
.article-body p,
.detail-body p,
.article-detail .content p,
.page-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

/* 标题样式 */
.article-content h2,
.article-text h2,
.article-body h2,
.detail-body h2,
.article-detail .content h2,
.page-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 14px;
  line-height: 1.4;
}

.article-content h3,
.article-text h3,
.article-body h3,
.detail-body h3,
.article-detail .content h3,
.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 20px 0 10px;
  line-height: 1.4;
}

/* 列表样式 */
.article-content ul,
.article-text ul,
.article-body ul,
.detail-body ul,
.article-detail .content ul,
.page-content ul {
  list-style: disc;
  margin: 0 0 16px 24px;
}

.article-content ol,
.article-text ol,
.article-body ol,
.detail-body ol,
.article-detail .content ol,
.page-content ol {
  list-style: decimal;
  margin: 0 0 16px 24px;
}

.article-content li,
.article-text li,
.article-body li,
.detail-body li,
.article-detail .content li,
.page-content li {
  margin-bottom: 6px;
  line-height: 1.7;
}

/* 图片样式 */
.article-content img,
.article-text img,
.article-body img,
.detail-body img,
.article-detail .content img,
.page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 16px 0;
}

/* 引用块 */
.article-content blockquote,
.article-text blockquote,
.article-body blockquote,
.detail-body blockquote,
.article-detail .content blockquote,
.page-content blockquote {
  border-left: 4px solid var(--primary, #2563eb);
  padding: 12px 20px;
  margin: 16px 0;
  background: var(--bg, #f9fafb);
  font-style: italic;
}

/* 代码块 */
.article-content code,
.article-text code,
.article-body code,
.detail-body code,
.article-detail .content code,
.page-content code {
  background: var(--bg, #f3f4f6);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
}

.article-content pre,
.article-text pre,
.article-body pre,
.detail-body pre,
.article-detail .content pre,
.page-content pre {
  background: #1f2937;
  color: #f9fafb;
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 16px 0;
}

/* 表格样式 */
.article-content table,
.article-text table,
.article-body table,
.detail-body table,
.article-detail .content table,
.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.article-content th,
.article-text th,
.article-body th,
.detail-body th,
.article-detail .content th,
.page-content th {
  background: var(--bg, #f3f4f6);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  border: 1px solid var(--border, #e5e7eb);
}

.article-content td,
.article-text td,
.article-body td,
.detail-body td,
.article-detail .content td,
.page-content td {
  padding: 10px 12px;
  border: 1px solid var(--border, #e5e7eb);
}

/* ========== 品牌标语防溢出 ========== */
.brand-tagline,
[class*="brand-tagline"] {
  max-width: 300px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
  color: var(--text-light, #6b7280);
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .brand-tagline,
  [class*="brand-tagline"] {
    max-width: 200px;
    font-size: 11px;
  }
}



/* 一级栏目 - 醒目样式 */
.sidebar-cats > li > a,
.side-nav > li > a,
.sidebar-widget .side-nav > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: #1f2937;
  background: #f9fafb;
  border-radius: 6px;
  margin-bottom: 8px;
  border-left: 3px solid var(--primary, #2563eb);
  transition: all 0.2s;
}

.sidebar-cats > li > a:hover,
.side-nav > li > a:hover,
.sidebar-widget .side-nav > li > a:hover {
  background: var(--primary, #2563eb);
  color: #fff;
  padding-left: 18px;
}

/* 二级栏目 - 三列网格 */
.sidebar-cats > li > ul,
.sidebar-cats > li > .sidebar-subcats,
.side-nav > li > ul,
.sidebar-widget .side-nav > li > ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px 8px;
  padding: 8px 10px;
  margin: 0 0 8px 0;
  list-style: none;
}

.sidebar-cats > li > ul > li,
.sidebar-cats > li > .sidebar-subcats > li,
.side-nav > li > ul > li,
.sidebar-widget .side-nav > li > ul > li {
  margin: 0;
}

.sidebar-cats > li > ul > li > a,
.sidebar-cats > li > .sidebar-subcats > li > a,
.side-nav > li > ul > li > a,
.sidebar-widget .side-nav > li > ul > li > a {
  display: block;
  padding: 5px 8px;
  font-size: 13px;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 4px;
  transition: all 0.2s;
}

.sidebar-cats > li > ul > li > a:hover,
.sidebar-cats > li > .sidebar-subcats > li > a:hover,
.side-nav > li > ul > li > a:hover,
.sidebar-widget .side-nav > li > ul > li > a:hover {
  color: var(--primary, #2563eb);
  background: #eff6ff;
}

/* 响应式：小屏幕改为两列 */
@media (max-width: 992px) {
  .sidebar-cats > li > ul,
  .sidebar-cats > li > .sidebar-subcats,
  .side-nav > li > ul,
  .sidebar-widget .side-nav > li > ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .sidebar-cats > li > ul,
  .sidebar-cats > li > .sidebar-subcats,
  .side-nav > li > ul,
  .sidebar-widget .side-nav > li > ul {
    grid-template-columns: 1fr;
  }
}

/* ========== 侧栏分类优化 (auto-added) ========== */

/* 一级栏目 - 醒目样式，颜色跟随主题 */
.sidebar-cats > li > a,
.side-nav > li > a,
.sidebar-widget .side-nav > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text, #1f2937);
  background: var(--bg, #f9fafb);
  border-radius: 6px;
  margin-bottom: 6px;
  border-left: 3px solid var(--primary, #2563eb);
  transition: all 0.2s;
}

.sidebar-cats > li > a:hover,
.side-nav > li > a:hover,
.sidebar-widget .side-nav > li > a:hover {
  background: var(--primary, #2563eb);
  color: #fff;
  padding-left: 16px;
}

/* 二级栏目 - 自适应布局，处理长名称 */
.sidebar-cats > li > ul,
.sidebar-cats > li > .sidebar-subcats,
.side-nav > li > ul,
.sidebar-widget .side-nav > li > ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  margin: 0 0 6px 0;
  list-style: none;
}

.sidebar-cats > li > ul > li,
.sidebar-cats > li > .sidebar-subcats > li,
.side-nav > li > ul > li,
.sidebar-widget .side-nav > li > ul > li {
  margin: 0;
  flex: 0 1 auto;
  min-width: 0;
}

.sidebar-cats > li > ul > li > a,
.sidebar-cats > li > .sidebar-subcats > li > a,
.side-nav > li > ul > li > a,
.sidebar-widget .side-nav > li > ul > li > a {
  display: block;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--text-light, #6b7280);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
  border-radius: 4px;
  border: 1px solid var(--border, #e5e7eb);
  transition: all 0.2s;
}

.sidebar-cats > li > ul > li > a:hover,
.sidebar-cats > li > .sidebar-subcats > li > a:hover,
.side-nav > li > ul > li > a:hover,
.sidebar-widget .side-nav > li > ul > li > a:hover {
  color: var(--primary, #2563eb);
  border-color: var(--primary, #2563eb);
  background: rgba(37, 99, 235, 0.05);
}

/* 响应式 */
@media (max-width: 768px) {
  .sidebar-cats > li > ul > li > a,
  .sidebar-cats > li > .sidebar-subcats > li > a,
  .side-nav > li > ul > li > a,
  .sidebar-widget .side-nav > li > ul > li > a {
    max-width: 100px;
    font-size: 12px;
  }
}