:root {--primary:#2563eb;--secondary:#1e40af;--accent:#3b82f6;--bg:#f8fafc;--text:#1e293b;--gray:#64748b;--radius:6px;--white:#fff;--dark:#0f172a;--border:#e2e8f0;
  --text-light: #94a3b8;
;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--secondary)}
img{max-width:100%;height:auto}

/* Header */
.header-top{background:var(--primary);color:var(--white);padding:6px 0;font-size:13px}
.header-top .container{display:flex;justify-content:space-between}
.header-main{background:var(--white);border-bottom:2px solid var(--border)}
.header-main .container{display:flex;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap}
.logo{font-size:24px;font-weight:700;color:var(--text);white-space:nowrap}
.logo:hover{color:var(--primary)}
.main-nav ul{display:flex;list-style:none;gap:0}
.main-nav a{display:block;padding:8px 16px;color:var(--text);font-size:15px;white-space:nowrap;transition:all .2s}
.main-nav a:hover,.main-nav .active a{color:var(--primary);background:rgba(37,99,235,.05)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}
.search-toggle{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text);padding:8px}
.search-toggle:hover{color:var(--primary)}

/* Hero Carousel */
.hero-carousel{position:relative;overflow:hidden;height:420px}
.carousel-slides{position:relative;height:100%}
.carousel-slide{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;opacity:0;transition:opacity .8s ease}
.carousel-slide.active{opacity:1;z-index:1}
.carousel-content{max-width:640px;padding:40px 0}
.carousel-content h1{font-size:40px;font-weight:900;color:#fff;margin-bottom:16px;line-height:1.2}
.carousel-content p{font-size:18px;color:rgba(255,255,255,.85);line-height:1.7;margin-bottom:24px}
.carousel-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:2}
.carousel-dots .dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.carousel-dots .dot.active{background:#fff;transform:scale(1.2)}
.carousel-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;color:#fff;font-size:32px;cursor:pointer;opacity:.6;transition:opacity .3s;padding:8px 16px;user-select:none}
.carousel-prev:hover,.carousel-next:hover{opacity:1}
.carousel-prev{left:16px}
.carousel-next{right:16px}

/* Hero Features (3-column) */
.hero-features{padding:40px 0;background:var(--white)}
.features-grid{display:grid;gap:24px}
.features-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.feature-item{text-align:center;padding:32px 20px;border-radius:var(--radius);transition:all .3s}
.feature-item:hover{background:var(--bg);transform:translateY(-4px)}
.feature-icon{font-size:40px;margin-bottom:12px}
.feature-item h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.feature-item p{font-size:14px;color:var(--gray);line-height:1.6}

/* Hot Topics */
.hot-topics{padding:0;background:var(--white);border-bottom:1px solid var(--border)}
.topics-bar{display:flex;gap:24px;overflow-x:auto;padding:12px 0;flex-wrap:wrap}
.topics-bar a{color:var(--text);font-size:14px;white-space:nowrap}
.topics-bar a:hover{color:var(--primary)}

/* Sections */
.section{padding:40px 0}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.section-heading h2{font-size:22px;color:var(--text)}
.more-link{font-size:14px;color:var(--gray)}
.more-link:hover{color:var(--primary)}

/* Grids */
.category-grid,.news-grid{display:grid;gap:20px}
.cols-3{grid-template-columns:repeat(3,1fr)}

/* Cards */
.card{padding:16px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:all .3s}
.card:hover{border-color:var(--primary);box-shadow:0 2px 12px rgba(37,99,235,.1)}
.card h3{font-size:16px;margin-bottom:8px;line-height:1.4}
.card h3 a{color:var(--text)}
.card h3 a:hover{color:var(--primary)}
.card .meta{display:flex;gap:12px;font-size:12px;color:var(--gray);margin-bottom:8px}
.card p{font-size:14px;color:var(--gray);line-height:1.5}

/* Page Header */
.page-header{background:var(--white);padding:30px 0;border-bottom:1px solid var(--border)}
.page-header h1{font-size:28px;color:var(--text)}
.page-title{font-size:24px;margin-bottom:20px;color:var(--text)}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:14px;color:var(--gray)}
.breadcrumb a{color:var(--gray)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;color:var(--border)}

/* Content Layout */
.content-with-sidebar{display:grid;grid-template-columns:1fr 300px;gap:30px}

/* Article List */
.article-item{border-bottom:1px solid var(--border);padding:20px 0}
.article-item h2{font-size:20px;margin-bottom:8px}
.article-item .meta{display:flex;gap:12px;font-size:13px;color:var(--gray);margin-bottom:8px}
.article-item p{font-size:14px;color:var(--gray);line-height:1.6;margin-bottom:10px}
.article-item .more{font-size:14px;color:var(--primary)}
.article-item .more:hover{color:var(--secondary)}
.empty{padding:60px 20px;text-align:center;color:var(--gray)}

/* Pagination */
.pagination{display:flex;gap:8px;justify-content:center;padding:30px 0}
.pagination a{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:14px}
.pagination a.active,.pagination a:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}

/* Article Detail */
.article-detail h1{font-size:28px;margin-bottom:12px;line-height:1.3}
.article-detail .meta{display:flex;gap:16px;font-size:13px;color:var(--gray);padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:20px}
.featured-image{margin-bottom:20px;border-radius:var(--radius);overflow:hidden}
.article-content{font-size:16px;line-height:1.8;color:var(--text)}
.article-content p{margin-bottom:16px}
.article-tags{display:flex;gap:8px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--border);margin-top:20px}
.tag{padding:4px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-size:13px;color:var(--gray)}
.tag:hover{color:var(--primary);border-color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;padding:20px 0;border-top:1px solid var(--border);margin-top:20px}
.article-nav a{font-size:14px;color:var(--text);max-width:45%}
.article-nav a:hover{color:var(--primary)}

/* Sidebar */
.sidebar .widget{background:var(--white);padding:20px;margin-bottom:20px;border-radius:var(--radius);border:1px solid var(--border)}
.sidebar .widget h4{font-size:16px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary);color:var(--text)}
.side-nav,.hot-list{list-style:none}
.side-nav li{padding:6px 0}
.side-nav a{color:var(--text);font-size:14px}
.side-nav a:hover{color:var(--primary)}
.side-nav ul{padding-left:16px}
.hot-list li{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px dotted var(--border)}
.hot-list .num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:var(--primary);color:var(--white);font-size:12px;border-radius:var(--radius);flex-shrink:0}
.hot-list a{font-size:14px;color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Sitemap */
.sitemap-group{margin-bottom:20px}
.sitemap-group h3{font-size:18px;margin-bottom:8px}
.sitemap-group ul{list-style:none;display:flex;flex-wrap:wrap;gap:12px}
.sitemap-group li a{font-size:14px}

/* Contact */
.contact-info ul{list-style:none;padding:0}
.contact-info li{padding:10px 0;border-bottom:1px dotted var(--border);font-size:15px}

/* CTA */
.cta{background:linear-gradient(135deg,var(--primary),var(--secondary));color:var(--white);text-align:center;padding:60px 20px}
.cta h2{font-size:28px;margin-bottom:12px}
.cta p{font-size:16px;margin-bottom:24px;color:rgba(255,255,255,.8)}
.btn-cta{display:inline-block;padding:12px 32px;background:var(--white);color:var(--primary);border-radius:var(--radius);font-size:16px;font-weight:600;transition:all .3s}
.btn-cta:hover{background:rgba(255,255,255,.9);color:var(--secondary)}

/* Footer */
.site-footer{background:var(--dark);color:#cbd5e1;padding:50px 0 30px}
.footer-widgets{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:var(--white);font-size:16px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary);display:inline-block}
.footer-col p,.footer-col ul{font-size:14px;line-height:1.8}
.footer-col ul{list-style:none}
.footer-col a{color:#cbd5e1}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #1e293b;font-size:13px}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:var(--accent)}

/* Float Top */
.float-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--primary);color:var(--white);border-radius:50%;align-items:center;justify-content:center;cursor:pointer;z-index:999;font-size:20px;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.float-top:hover{background:var(--secondary)}

/* Responsive */
@media(max-width:1100px){.container{max-width:960px}}
@media(max-width:992px){
  .cols-3{grid-template-columns:repeat(2,1fr)}
  .content-with-sidebar{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .sidebar .widget{margin-bottom:0}
  .features-grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .hero-carousel{height:360px}
  .carousel-content h1{font-size:32px}
}
@media(max-width:768px){
  .hero-carousel{height:300px}
  .carousel-content h1{font-size:26px}
  .carousel-content p{font-size:15px}
  .hero-features{padding:24px 0}
  .features-grid.cols-3{grid-template-columns:1fr}
  .cols-3{grid-template-columns:1fr}
  .footer-widgets{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);box-shadow:0 4px 12px rgba(0,0,0,.1);z-index:100}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column;padding:10px 0}
  .header-main{position:relative}
}


/* ========== 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;
  }
}