@charset "UTF-8";
:root {
  --primary: #2563eb;
  --text: #1e293b;
  --gray: #64748b;
  --bg: #f8fafc;
  --border: #e5e7eb;
  --primary-light: #dbeafe;
  --gray-100: #f1f5f9;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.3s ease;
  --text-light: #94a3b8;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--text);text-decoration:none;transition:var(--transition)}
a:hover{color:#000}
img{max-width:100%;height:auto}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-title{font-size:2rem;font-weight:700;margin-bottom:12px;color:var(--text);letter-spacing:-1px}
.section-desc{color:var(--text-light);font-size:1.05rem;max-width:600px;margin:0 auto}
.section-more{text-align:center;margin-top:40px}
/* topbar */
.topbar{background:#000;color:#a1a1aa;font-size:.85rem;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-item{display:flex;align-items:center;gap:5px}
.topbar-item svg{flex-shrink:0}
/* header */
.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;height:64px;gap:0}
.logo{font-size:1.5rem;font-weight:800;color:#000;letter-spacing:-1px;flex-shrink:0;margin-right:32px}
.logo:hover{color:#000}
.nav{flex:1}
.nav-list{display:flex;align-items:center;gap:0}
.nav-list>li{position:relative}
.nav-list>li>a{display:block;padding:0 14px;line-height:64px;font-size:.92rem;font-weight:500;color:var(--text);white-space:nowrap;position:relative}
.nav-list>li>a:hover,.nav-list>li>a.active{color:#000}
.nav-list>li>a.active::after{content:'';position:absolute;bottom:0;left:14px;right:14px;height:1px;background:#000}
.sub-nav{position:absolute;top:100%;left:0;background:#fff;min-width:180px;border:1px solid var(--border);border-radius:0;box-shadow:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--transition);z-index:50}
.nav-item-has-children:hover .sub-nav{opacity:1;visibility:visible;transform:translateY(0)}
.sub-nav li{border-bottom:1px solid var(--border)}
.sub-nav li:last-child{border-bottom:none}
.sub-nav a{display:block;padding:10px 16px;font-size:.88rem;color:var(--text);white-space:nowrap}
.sub-nav a:hover{background:#f4f4f5;color:#000}
.nav-toggle{display:none;width:36px;height:36px;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:6px;margin-left:auto}
.nav-toggle span{display:block;width:22px;height:1px;background:var(--text);transition:var(--transition)}
.header-search{margin-left:auto;flex-shrink:0}
.search-icon-btn{width:38px;height:38px;border:1px solid var(--border);background:transparent;border-radius:0;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:var(--transition)}
.search-icon-btn:hover{border-color:#000;color:#000}
/* hero */
.hero{background:#000;color:#fff;padding:90px 0 70px;position:relative}
.hero-content{max-width:720px;margin:0 auto;text-align:center}
.hero-content h1{font-size:2.6rem;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero-content p{font-size:1.1rem;color:#a1a1aa;margin-bottom:32px;line-height:1.7}
.hero-actions{display:flex;gap:16px;justify-content:center;margin-bottom:48px}
.hero-stats{display:flex;justify-content:center;gap:60px}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:4px}
.hero-stat span{font-size:.88rem;color:#71717a}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;font-size:.95rem;font-weight:600;border-radius:0;border:2px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap;line-height:1;text-align:center;letter-spacing:.5px}
.btn-primary{background:#000;color:#fff;border-color:#000}
.btn-primary:hover{background:#27272a;border-color:#27272a;color:#fff}
.btn-outline{background:transparent;color:#fff;border-color:#52525b}
.btn-outline:hover{background:#fff;color:#000;border-color:#fff}
.btn-lg{padding:14px 40px;font-size:1.05rem}
.btn-block{width:100%}
/* service cards */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.service-card{background:transparent;border:1px solid var(--border);padding:36px 28px;transition:var(--transition);position:relative}
.service-card:hover{border-color:#000;background:#fafafa}
.service-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);color:#000;margin-bottom:18px}
.service-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--text)}
.service-card p{color:var(--text-light);font-size:.9rem;line-height:1.6;margin-bottom:16px}
.service-link{font-size:.88rem;font-weight:600;color:#000;border-bottom:1px solid transparent}
.service-link:hover{color:#000;border-bottom-color:#000}
/* advantages */
.section-advantages{background:transparent;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}
.advantage-item{text-align:center;padding:30px 20px;border:1px solid var(--border)}
.advantage-num{font-size:2.8rem;font-weight:800;color:#e4e4e7;margin-bottom:12px;line-height:1}
.advantage-item h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.advantage-item p{color:var(--text-light);font-size:.88rem;line-height:1.6}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px}
.news-card{border:1px solid var(--border);background:transparent;transition:var(--transition)}
.news-card:hover{border-color:#000;background:#fafafa}
.news-body{padding:24px}
.news-cat{display:inline-block;font-size:.78rem;font-weight:600;color:var(--text-light);letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.news-body h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;line-height:1.4}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:#000}
.news-body p{color:var(--text-light);font-size:.88rem;line-height:1.6;margin-bottom:14px}
.news-meta{font-size:.82rem;color:var(--text-light);display:flex;gap:14px}
/* CTA */
.cta-section{background:#000;color:#fff;text-align:center}
.cta-content{padding:30px 0}
.cta-content h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-content p{font-size:1.1rem;color:#a1a1aa;margin-bottom:28px}
.cta-content .btn-outline{border-color:#52525b;color:#fff}
.cta-content .btn-outline:hover{background:#fff;color:#000;border-color:#fff}
/* breadcrumb */
.breadcrumb{background:transparent;border-bottom:1px solid var(--border);padding:12px 0}
.breadcrumb .container{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:#000}
.breadcrumb svg{flex-shrink:0;color:#a1a1aa}
.breadcrumb span{color:var(--text)}
/* page header */
.page-header{background:#fafafa;border-bottom:1px solid var(--border);padding:40px 0;text-align:center}
.page-header h1{font-size:1.8rem;font-weight:700;color:var(--text);letter-spacing:-1px}
.page-header p{color:var(--text-light);margin-top:8px;font-size:.92rem}
/* content with sidebar */
.content-with-sidebar{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.main-content{min-width:0}
/* article list */
.article-list{display:flex;flex-direction:column;gap:0}
.article-item{padding:28px 0;border-bottom:1px solid var(--border);word-break:break-word;overflow-wrap:break-word}
.article-item:first-child{padding-top:0}
.article-item:last-child{border-bottom:none;padding-bottom:0}
.article-item h2{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.article-item h2 a{color:var(--text)}
.article-item h2 a:hover{color:#000}
.article-meta{display:flex;gap:16px;font-size:.82rem;color:var(--text-light);margin-bottom:10px}
.article-meta span{display:flex;align-items:center;gap:4px}
.article-meta svg{flex-shrink:0}
.article-item p{color:var(--text-light);font-size:.9rem;line-height:1.6;margin-bottom:10px}
.read-more{display:inline-flex;align-items:center;gap:4px;font-size:.85rem;font-weight:600;color:#000;border-bottom:1px solid transparent}
.read-more:hover{color:#000;border-bottom-color:#000;gap:8px}
/* pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border)}
.page-link{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--border);border-radius:0;font-size:.88rem;color:var(--text);background:transparent;transition:var(--transition);white-space:nowrap}
.page-link:hover{border-color:#000;color:#000}
.page-link.active{background:#000;border-color:#000;color:#fff}
.page-info{padding:0 12px;font-size:.88rem;color:var(--text-light)}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}
.empty-state p{font-size:1.05rem}
/* detail page */
.detail-article{background:transparent;border:1px solid var(--border);padding:36px}
.detail-header{border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:24px}
.detail-header h1{font-size:1.6rem;font-weight:800;line-height:1.3;margin-bottom:14px;letter-spacing:-.5px}
.detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.85rem;color:var(--text-light)}
.detail-meta span{display:flex;align-items:center;gap:5px}
.detail-meta a{color:var(--text)}
.detail-meta a:hover{color:#000}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.detail-tags a{display:inline-block;padding:4px 12px;font-size:.8rem;border:1px solid var(--border);color:var(--text-light);border-radius:0}
.detail-tags a:hover{background:#000;color:#fff;border-color:#000}
.detail-body{line-height:1.85;font-size:.95rem;color:var(--text)}
.detail-body p{margin-bottom:16px}
.detail-body h2,.detail-body h3{margin-top:28px;margin-bottom:12px;font-weight:700}
.detail-body h2{font-size:1.3rem}
.detail-body h3{font-size:1.1rem}
.detail-body ul,.detail-body ol{padding-left:20px;margin-bottom:16px}
.detail-body li{margin-bottom:6px}
.detail-body img{margin:16px 0}
.detail-nav{display:flex;gap:20px;margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
.detail-nav-prev,.detail-nav-next{flex:1}
.detail-nav-next{text-align:right}
.nav-label{display:block;font-size:.82rem;color:var(--text-light);margin-bottom:4px}
.detail-nav a{font-size:.9rem;font-weight:600;color:#000}
.detail-nav a:hover{color:#52525b}
/* related */
.related-section{margin-top:40px}
.related-section h3{font-size:1.15rem;font-weight:700;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px}
.related-item{display:block;padding:14px 18px;border:1px solid var(--border);transition:var(--transition)}
.related-item:hover{border-color:#000;background:#fafafa}
.related-item h4{font-size:.9rem;font-weight:600;margin-bottom:6px;color:var(--text);line-height:1.3}
.related-item span{font-size:.8rem;color:var(--text-light)}
/* sidebar */
.sidebar-widget{background:transparent;border:1px solid var(--border);padding:22px;margin-bottom:24px}
.sidebar-widget:last-child{margin-bottom:0}
.sidebar-widget h4{font-size:.95rem;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--text)}
.sidebar-nav li{margin-bottom:4px}
.sidebar-nav>li>a{display:block;padding:8px 0;font-size:.9rem;font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}
.sidebar-nav>li:last-child>a{border-bottom:none}
.sidebar-nav>li>a:hover{color:#000}
.sidebar-nav ul{padding-left:14px}
.sidebar-nav ul li{margin-bottom:2px}
.sidebar-nav ul li a{display:block;padding:4px 0;padding-left:12px;font-size:.82rem;color:var(--text);opacity:.7;position:relative}
.sidebar-nav ul li a::before{content:'-';position:absolute;left:0;color:var(--text-light)}
.sidebar-nav ul li a:hover{color:#000;opacity:1}
.sidebar-hot li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.sidebar-hot li:last-child{border-bottom:none}
.hot-rank{flex-shrink:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);color:var(--text-light);font-size:.75rem;font-weight:700}
.sidebar-hot li:first-child .hot-rank{background:#000;color:#fff;border-color:#000}
.sidebar-hot li:nth-child(2) .hot-rank{background:#27272a;color:#fff;border-color:#27272a}
.sidebar-hot li:nth-child(3) .hot-rank{background:#52525b;color:#fff;border-color:#52525b}
.sidebar-hot a{font-size:.85rem;color:var(--text);line-height:1.3;flex:1}
.sidebar-hot a:hover{color:#000}
/* contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.contact-info h2,.contact-form-wrap h2{font-size:1.3rem;font-weight:700;margin-bottom:24px;letter-spacing:-.5px}
.contact-item{display:flex;gap:14px;margin-bottom:20px;border:1px solid var(--border);padding:16px}
.contact-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);color:#000;flex-shrink:0}
.contact-item h4{font-size:.88rem;font-weight:600;margin-bottom:2px}
.contact-item p{color:var(--text-light);font-size:.9rem}
.contact-form-wrap{border:1px solid var(--border);padding:32px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.88rem;font-weight:600;margin-bottom:6px;color:var(--text)}
.form-group input,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:0;font-family:var(--font);font-size:.9rem;color:var(--text);background:transparent;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#000;background:#fafafa}
.form-group textarea{resize:vertical}
.contact-form .btn-block{margin-top:6px}
/* sitemap */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.sitemap-group{border:1px solid var(--border);padding:24px}
.sitemap-group h3{font-size:1.05rem;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.sitemap-group h3 a{color:#000}
.sitemap-group ul li{margin-bottom:6px}
.sitemap-group ul li a{font-size:.88rem;color:var(--text-light)}
.sitemap-group ul li a:hover{color:#000}
/* footer */
.footer{background:#000;color:#a1a1aa;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-about p{font-size:.88rem;line-height:1.7;margin-bottom:14px}
.footer-contact-item{display:flex;align-items:center;gap:8px;font-size:.88rem;margin-bottom:8px;color:#a1a1aa}
.footer-links li{margin-bottom:8px}
.footer-links a{font-size:.88rem;color:#a1a1aa}
.footer-links a:hover{color:#fff}
.footer-col p{font-size:.88rem;margin-bottom:6px;line-height:1.6}
.footer-bottom{border-top:1px solid #27272a;padding:18px 0;margin-top:40px;text-align:center;font-size:.82rem;color:#52525b}
/* float top */
.float-top{position:fixed;bottom:40px;right:40px;width:44px;height:44px;background:#000;color:#fff;border:none;border-radius:0;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:999;transition:var(--transition)}
.float-top:hover{background:#27272a}
/* mobile */
@media(max-width:992px){
.service-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
.advantages-grid{grid-template-columns:repeat(2,1fr)}
.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:1fr}
.content-with-sidebar{grid-template-columns:1fr}
}
@media(max-width:768px){
html{font-size:15px}
.section{padding:50px 0}
.hero{padding:60px 0 50px}
.hero-content h1{font-size:1.8rem}
.hero-stats{gap:30px}
.nav-toggle{display:flex}
.nav{position:fixed;top:104px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease}
.nav.active{max-height:500px}
.nav-list{flex-direction:column}
.nav-list>li>a{line-height:44px;padding:0;border-bottom:1px solid var(--border);width:100%}
.sub-nav{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:#f4f4f5;margin-bottom:4px;max-height:0;overflow:hidden;transition:max-height .3s ease}
.nav-item-has-children:hover .sub-nav{max-height:300px}
.sub-nav a{padding:8px 14px}
.nav-list>li>a.active::after{display:none}
.hero-stats{flex-wrap:wrap}
}
@media(max-width:576px){
.service-grid,.news-grid,.advantages-grid,.sitemap-grid,.footer-grid{grid-template-columns:1fr}
.hero-stats{gap:20px;flex-wrap:wrap}
.hero-actions{flex-direction:column;align-items:center}
.related-grid{grid-template-columns:1fr}
}


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