/* ============================================================
 * 智帮咨询 V3 · 知识库样式 blog.css
 * 适用于：blog/*.html
 * 依赖：tokens.css + base.css
 * 版本：V3.0
 * ============================================================ */

/* ========== Blog Hero ========== */
.blog-hero{background:var(--bg-hero);color:var(--white);padding:var(--space-xl) 0;position:relative;overflow:hidden}
.blog-hero .container{position:relative;z-index:1}
.blog-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--space-xl);align-items:center}
.blog-hero h1{color:var(--white);font-size:clamp(28px,3.5vw,40px);line-height:1.4;margin-bottom:var(--space-sm);letter-spacing:0}
.blog-hero p{color:var(--text-subtle);font-size:var(--fs-md);max-width:680px;line-height:var(--lh-loose)}
.blog-hero-stats{display:flex;gap:var(--space-lg);margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--black-08);flex-wrap:wrap}
.blog-hero-stats .stat{background:transparent;padding:0;border-left:none}
.blog-hero-stats .stat-num{color:var(--accent);font-size:var(--fs-h3)}
.blog-hero-stats .stat-label{color:var(--text-subtle);font-size:var(--fs-xs)}
.blog-archive-hero{background:var(--bg-hero);color:var(--text-body)}
.blog-archive-hero h1{color:var(--text-title)}
.blog-archive-hero p{color:var(--text-subtle)}
.tag-breadcrumb{background:var(--white);border-bottom:1px solid var(--border-soft)}
.tag-breadcrumb .breadcrumb{background:transparent;border-bottom:0;padding:var(--space-sm) 0}
.tag-breadcrumb .breadcrumb a{color:var(--text-subtle)}
.tag-breadcrumb .breadcrumb a:hover,.tag-breadcrumb .breadcrumb .active{color:var(--accent)}
.tag-breadcrumb .breadcrumb .sep{color:var(--text-subtle)}
.tag-breadcrumb .breadcrumb span{color:var(--text-title);font-weight:600}

/* ========== 系列入口圆盘（blog/index）========== */
.series-section{padding:var(--space-lg) 0;background:var(--white)}
.series-wheel{
  position:relative;
  width:min(100%, 600px);
  margin:var(--space-xl) auto 0;
}
.series-wheel::before{
  content:'';
  position:absolute;
  inset:6%;
  border-radius:50%;
  background:radial-gradient(circle, rgba(var(--accent-rgb),.07) 0 30%, rgba(var(--accent-rgb),.025) 48%, rgba(255,255,255,0) 72%);
  pointer-events:none;
}
.series-wheel-canvas{
  display:block;
  width:100%;
  aspect-ratio:1/1;
  height:auto;
  border-radius:50%;
  background:transparent;
  box-shadow:none;
  cursor:pointer;
}
/* ========== 推荐文章卡（首页/hub）========== */
.featured-section{padding:var(--space-2xl) 0;background:var(--bg-2nd)}
.featured-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-md);margin-top:var(--space-lg)}
.featured-card{background:var(--white);border:1px solid var(--border-soft);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--duration-base) var(--ease-out);display:flex;flex-direction:column}
.featured-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float)}
.featured-card.large .featured-cover{height:auto}
.featured-cover{aspect-ratio:900/520;background:var(--bg-3rd),repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 1px,transparent 1px 14px);display:flex;align-items:center;justify-content:center;text-align:center;color:transparent;font-size:0;position:relative;overflow:hidden;padding:var(--space-md);border-bottom:2px dashed rgba(var(--accent-rgb),.75)}
.featured-cover.has-image{padding:0;border-bottom:1px solid var(--border-soft);background:var(--bg-3rd)}
.featured-cover__img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--duration-base) var(--ease-out)}
.featured-card:hover .featured-cover__img{transform:scale(1.035)}
.featured-cover.has-image::before,.featured-cover.has-image::after{display:none}
.featured-cover::before{content:'文章封面占位 / 请替换图片';position:absolute;top:12px;left:12px;right:12px;padding:5px 8px;border:1px dashed rgba(var(--accent-rgb),.65);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:11px;line-height:1.4;color:var(--accent);background:rgba(23,38,51,.55)}
.featured-cover::after{content:'建议图片 900x520｜主题：文章关键词对应的现场/看板/工具图';position:absolute;left:var(--space-sm);right:var(--space-sm);bottom:var(--space-sm);padding:5px 8px;border:1px dashed rgba(var(--accent-rgb),.55);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:10px;line-height:1.4;color:var(--text-subtle);background:rgba(23,38,51,.55)}
.featured-card .featured-body{padding:var(--space-md);flex:1;display:flex;flex-direction:column}
.featured-card .article-tag{display:inline-block;font-size:11px;padding:2px 10px;background:var(--accent-light);color:var(--accent-deep);border-radius:var(--radius-pill);font-weight:600;margin-bottom:var(--space-xs);width:fit-content}
.featured-card h3{font-size:var(--fs-md);color:var(--text-body);line-height:var(--lh-tight);margin-bottom:var(--space-xs);font-family:var(--font-heading)}
.featured-card.large h3{font-size:var(--fs-lg)}
.featured-card .featured-desc{font-size:var(--fs-sm);color:var(--text-body);line-height:var(--lh-loose);flex:1}
.featured-card .featured-meta{display:flex;justify-content:space-between;align-items:center;margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--border-soft);font-size:var(--fs-xs);color:var(--text-subtle)}
.featured-card .featured-meta .meta-views::before{content:'阅读 ';opacity:.6}

/* ========== 列表页 ========== */
.list-section{padding:var(--space-xl) 0;background:var(--bg-2nd)}
.list-layout{display:grid;grid-template-columns:1fr 280px;gap:var(--space-lg);margin-top:var(--space-md)}
.list-main{min-width:0}
.filter-bar{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md);background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border-soft);margin-bottom:var(--space-md);flex-wrap:wrap}
.filter-bar .filter-label{font-size:var(--fs-sm);color:var(--text-body);font-weight:600}
.filter-bar .filter-tag{padding:6px 14px;background:var(--bg-2nd);border:1px solid var(--border-soft);border-radius:var(--radius-pill);font-size:var(--fs-sm);color:var(--text-body);cursor:pointer;transition:all var(--duration-fast);font-weight:500}
.filter-bar .filter-tag:hover,.filter-bar .filter-tag.active{background:var(--text-title);color:var(--white);border-color:var(--text-title)}
.filter-bar .filter-count{margin-left:auto;font-size:var(--fs-sm);color:var(--text-body)}

.list-grid{display:grid;gap:var(--space-md)}
.article-row{display:block;background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-soft);border-left:4px solid var(--text-title);transition:all var(--duration-base);position:relative}
.article-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:var(--border-soft);border-left-color:var(--accent)}
.article-row .article-body{padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-xs)}
.article-row .article-head{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-xs)}
.article-row .article-topic{display:inline-flex;align-items:center;padding:2px 10px;background:var(--text-title);color:var(--white);font-size:11px;font-weight:700;font-family:var(--font-heading);border-radius:var(--radius-sm);letter-spacing:.5px;line-height:1.6}
.article-row h3{font-size:var(--fs-md);color:var(--text-body);line-height:var(--lh-tight);margin:0}
.article-row .article-desc{font-size:var(--fs-sm);color:var(--text-body);line-height:var(--lh-loose);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.article-row .article-meta{display:flex;gap:var(--space-md);font-size:var(--fs-xs);color:var(--text-subtle);margin:0}
.article-row .article-tag{font-size:11px;padding:2px 8px;border-radius:var(--radius-pill);font-weight:600;line-height:1.6}
.article-row .article-tag.cas{background:var(--tag-cas-bg);color:var(--tag-cas-text)}
.article-row .article-tag.met{background:var(--tag-met-bg);color:var(--tag-met-text)}
.article-row .article-tag.ins{background:var(--tag-ins-bg);color:var(--tag-ins-text)}
.article-row .article-tag.tool{background:var(--tag-tool-bg);color:var(--tag-tool-text)}
.article-row .article-tag.trend{background:var(--tag-trend-bg);color:var(--tag-trend-text)}
.archive-article-card{border-left-width:6px;border-left-color:var(--accent);border-radius:14px;box-shadow:0 10px 24px rgba(23,38,51,.07);overflow:hidden;min-height:0}
.archive-article-card.article-row--dark{border-left-color:var(--text-title)}
.archive-article-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(23,38,51,.10);border-color:var(--border-soft);border-left-color:var(--accent)}
.archive-article-card.article-row--dark:hover{border-left-color:var(--text-title)}
.archive-article-card .article-body{padding:24px 30px;gap:12px}
.archive-article-card .article-head{gap:12px;margin-bottom:0;flex-wrap:wrap}
.archive-article-card .article-topic{padding:4px 11px;background:var(--text-title);font-size:12px;border-radius:var(--radius-pill);letter-spacing:0}
.archive-article-card .article-tag{padding:3px 10px;background:var(--bg-2nd)!important;color:var(--text-body)!important;border:1px solid var(--border-soft);border-radius:var(--radius-pill);font-size:12px;font-weight:600}
.archive-article-card h3{font-size:20px;color:var(--text-title);line-height:1.45}
.archive-article-card .article-desc{font-size:15px;color:var(--text-body);line-height:1.8;-webkit-line-clamp:2}
.archive-article-card .article-meta{gap:20px;font-size:13px;color:var(--text-subtle);flex-wrap:wrap}

/* ========== 侧栏 sidebar ========== */
.sidebar{display:flex;flex-direction:column;gap:var(--space-md)}
.sb-section{background:var(--white);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:var(--space-md)}
.sb-section h4{font-size:var(--fs-sm);font-weight:700;color:var(--text-title);margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:1px solid var(--border-soft);letter-spacing:.5px;font-family:var(--font-heading)}
.sb-list a{display:block;padding:8px 0;font-size:var(--fs-sm);color:var(--text-body);line-height:var(--lh-normal);border-bottom:1px dashed var(--border-soft)}
.sb-list a:last-child{border-bottom:0}
.sb-list a:hover{color:var(--accent)}
.sb-tags{display:flex;flex-wrap:wrap;gap:6px}
.sb-tags a{padding:4px 10px;background:var(--bg-2nd);border-radius:var(--radius-pill);font-size:var(--fs-xs);color:var(--text-body);font-weight:500;transition:all var(--duration-fast)}
.sb-tags a:hover{background:var(--text-title);color:var(--white)}
.sb-cta{background:var(--bg-3rd);color:var(--text-body);text-align:center;padding:var(--space-lg) var(--space-md)}
.sb-cta h4{color:var(--text-title);border-bottom-color:var(--border-soft)}
.sb-cta p{font-size:var(--fs-sm);color:var(--text-subtle);margin-bottom:var(--space-sm);line-height:var(--lh-loose)}
.sb-cta .sb-cta-btn{display:block;padding:12px 20px;background:var(--accent);color:var(--white);border-radius:var(--radius-sm);font-size:var(--fs-sm);font-weight:700;transition:background var(--duration-fast)}
.sb-cta .sb-cta-btn:hover{background:var(--accent-hover)}

/* ========== 详情页 detail ========== */
.detail-section{padding:var(--space-xl) 0;background:var(--white)}
.detail-layout{display:grid;grid-template-columns:1fr 280px;gap:var(--space-xl);max-width:1280px;margin:0 auto}
.detail-main{min-width:0;max-width:760px}
.detail-head{margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--border-soft)}
.detail-head .detail-tags{display:flex;justify-content:center;gap:var(--space-xs);margin-bottom:var(--space-sm);flex-wrap:wrap}
.detail-category-pill{display:inline-flex;align-items:center;padding:4px 12px;background:var(--accent-light);border:1px solid rgba(var(--accent-rgb),.22);border-radius:var(--radius-pill);color:var(--accent-deep);font-size:13px;font-weight:700;line-height:1.6}
.detail-head h1{font-size:clamp(26px,3.5vw,38px);line-height:1.4;margin-bottom:var(--space-sm);letter-spacing:0;text-align:center}
.detail-head .detail-meta{display:flex;justify-content:center;gap:var(--space-md);font-size:var(--fs-sm);color:var(--text-subtle);text-align:center;flex-wrap:wrap}
.detail-content{max-width:680px;margin:0 auto;padding:0 20px;background:var(--white);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:2;color:#333}
.detail-content p{font-family:inherit;font-size:16px;color:#333;line-height:2;margin:0 0 1em;text-align:justify;letter-spacing:1px;font-weight:400}
.detail-content strong,.detail-content b,.detail-content .wechat-emphasis{color:#0052ff;font-weight:600;letter-spacing:1px}
.detail-content h1,.detail-content h2{margin:1.5em 0 .8em;padding:0;border-bottom:0;color:#0052ff;font-family:inherit;font-weight:600;line-height:1.6;letter-spacing:.5px;text-align:center}
.detail-content h1{font-size:22px}
.detail-content h2{font-size:20px}
.detail-content h3{margin:1.5em 0 .8em;padding:0;border-bottom:0;color:#0052ff;font-family:inherit;font-size:18px;font-weight:600;line-height:1.6;letter-spacing:.5px;text-align:left}
.detail-content h4,.detail-content h5,.detail-content h6{font-family:inherit;font-size:16px;color:#333;line-height:2;margin:1em 0 .6em;letter-spacing:1px;text-align:left;font-weight:600}
.detail-content ul,.detail-content ol{padding-left:2em;margin:1em 0}
.detail-content li{font-size:16px;color:#333;line-height:2;margin:.3em 0;letter-spacing:1px}
.detail-content pre,.detail-content code{font-family:"Monaco","Menlo","Consolas","Courier New",monospace}
.detail-content code{background:#f8f8f8;padding:.2em .5em;color:#8e6a27;font-size:.9em;border-radius:2px;display:inline;white-space:pre-wrap}
.detail-content pre{font-size:1em;line-height:1.2;background:#f8f8f8;padding:1em;border-radius:4px;overflow-x:auto;margin:1.5em 0}
.detail-content pre code{white-space:pre;overflow:auto;padding:0;display:block;background:none}
.detail-content img{max-width:100%;height:auto;display:block;margin:1em auto;border-radius:4px}
.detail-content blockquote,.detail-content q,.detail-content .highlight-card{position:relative;margin:1.6em 0;padding:46px 56px 46px 72px;background:#f4ece3;border-left:6px solid #d46b2c;border-radius:12px;color:#2c2e33;font-style:normal}
.detail-content blockquote p,.detail-content .highlight-card p{font-size:24px;line-height:1.8;color:#2c2e33;margin:0 0 1em;letter-spacing:.8px;text-align:left}
.detail-content blockquote p:last-child,.detail-content .highlight-card p:last-child{margin-bottom:0}
.detail-content blockquote strong,.detail-content .highlight-card strong{color:#cf6429;font-weight:700}
.detail-content blockquote cite{display:block;margin-top:1em;font-size:14px;color:#666;font-style:normal;letter-spacing:.8px}
.detail-content hr{border:0;border-top:1px solid #eee;margin:2em auto;width:80%}
.detail-content .data-card{margin:var(--space-md) 0;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm);padding:var(--space-md);background:var(--text-title);color:var(--white);border-radius:var(--radius-md)}
.detail-content .data-card .dc-item{text-align:center}
.detail-content .data-card .dc-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-h3);font-weight:800;color:var(--accent);display:block;line-height:1}
.detail-content .data-card .dc-label{font-size:var(--fs-xs);color:var(--text-subtle);margin-top:6px;display:block}

/* 文章末尾 author + related */
.detail-keyword-tags{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border-soft);display:flex;flex-wrap:wrap;gap:8px}
.detail-keyword-tags a{display:inline-flex;align-items:center;padding:6px 12px;background:var(--bg-2nd);border:1px solid var(--border-soft);border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:600;color:var(--text-body);transition:all var(--duration-fast)}
.detail-keyword-tags a.is-category{background:var(--accent-light);border-color:rgba(var(--accent-rgb),.22);color:var(--accent-deep)}
.detail-keyword-tags a:hover{background:var(--text-title);border-color:var(--text-title);color:var(--white)}
.detail-author{margin-top:var(--space-xl);padding:var(--space-md);background:var(--bg-2nd);border-radius:var(--radius-md);display:flex;gap:var(--space-md);align-items:center}
.detail-author .author-avatar{width:60px;height:60px;border-radius:50%;background:var(--text-title);color:var(--white);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:var(--fs-lg);font-weight:800;flex-shrink:0}
.detail-author h5{font-size:var(--fs-base);color:var(--text-title);margin-bottom:2px;font-family:var(--font-heading)}
.detail-author p{font-size:var(--fs-sm);color:var(--text-body);line-height:var(--lh-normal);margin:0}

.detail-related{margin-top:var(--space-xl)}
.detail-related h4{font-size:var(--fs-md);color:var(--text-title);margin-bottom:var(--space-md);padding-bottom:var(--space-xs);border-bottom:1px solid var(--border-soft);font-family:var(--font-heading)}
.detail-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm)}
.detail-related-card{padding:var(--space-sm);background:var(--bg-2nd);border-radius:var(--radius-md);transition:all var(--duration-base)}
.detail-related-card:hover{background:var(--white);box-shadow:var(--shadow-card)}
.detail-related-card .tag{font-size:11px;padding:2px 8px;background:var(--accent-light);color:var(--accent-deep);border-radius:var(--radius-pill);font-weight:600;display:inline-block;margin-bottom:6px}
.detail-related-card h6{font-size:var(--fs-sm);color:var(--text-body);font-weight:700;line-height:var(--lh-tight)}

/* ========== 分页 ========== */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin:var(--space-lg) 0}
.pagination .page-btn,.pagination .page-numbers{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--border-soft);border-radius:var(--radius-sm);font-size:var(--fs-sm);color:var(--text-body);background:var(--white);cursor:pointer;transition:all var(--duration-fast)}
.pagination .page-btn:hover,.pagination .page-numbers:hover{border-color:var(--text-title);color:var(--text-title)}
.pagination .page-btn.active,.pagination .page-numbers.current{background:var(--text-title);color:var(--white);border-color:var(--text-title);font-weight:700}
.pagination .page-btn:disabled{opacity:.5;cursor:not-allowed}

/* ========== Blog 首页 CTA：对齐 V4 原版居中浅色 CTA ========== */
.jczbzx-path-blog-index-html .product-cta,
.blog .product-cta {
  background: var(--bg-3rd) !important;
  border-top: 2px solid var(--accent) !important;
  border-bottom: 2px solid var(--accent) !important;
  border-left: 0 !important;
  border-right: 0 !important;
  color: var(--text-body) !important;
  text-align: center !important;
}
.jczbzx-path-blog-index-html .product-cta::before,
.blog .product-cta::before {
  display: none !important;
}
.jczbzx-path-blog-index-html .product-cta h2,
.blog .product-cta h2 {
  color: var(--text-title) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  text-align: center !important;
}
.jczbzx-path-blog-index-html .product-cta h2 span,
.blog .product-cta h2 span {
  color: var(--accent) !important;
}
.jczbzx-path-blog-index-html .product-cta p,
.blog .product-cta p {
  color: var(--text-body) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  text-align: center !important;
}
.jczbzx-path-blog-index-html .product-cta .product-cta-actions,
.blog .product-cta .product-cta-actions {
  justify-content: center !important;
}
.jczbzx-path-blog-index-html .product-cta .product-cta-note,
.blog .product-cta .product-cta-note {
  color: var(--text-subtle) !important;
}
.jczbzx-path-blog-index-html .product-cta .btn-secondary,
.blog .product-cta .btn-secondary {
  background: transparent !important;
  color: var(--text-title) !important;
  border-color: var(--border-soft) !important;
}
.jczbzx-path-blog-index-html .product-cta .btn-secondary:hover,
.blog .product-cta .btn-secondary:hover {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .blog-hero-grid{grid-template-columns:1fr}
  .series-wheel{width:min(100%, 760px)}
  .series-grid,.featured-grid{grid-template-columns:repeat(2,1fr)}
  .featured-card.large{grid-column:span 2}
  .list-layout,.detail-layout{grid-template-columns:1fr}
  .sidebar{order:2}
  .detail-related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .series-wheel{width:min(100%, 560px)}
  .series-grid,.featured-grid{grid-template-columns:1fr}
  .featured-card.large{grid-column:auto}
  .article-row{border-left-width:3px}
  .detail-content{padding:0 15px}
  .detail-content p,.detail-content li,.detail-content h4,.detail-content h5,.detail-content h6{font-size:15px;line-height:2;letter-spacing:.8px}
  .detail-content h1{font-size:17px}
  .detail-content h2{font-size:16px}
  .detail-content h3{font-size:15px}
  .detail-content blockquote,.detail-content q,.detail-content .highlight-card{padding:28px 24px 28px 32px;border-left-width:5px;border-radius:10px}
  .detail-content blockquote p,.detail-content .highlight-card p{font-size:17px;line-height:1.9}
  .archive-article-card{border-left-width:5px;border-radius:14px;min-height:0}
  .archive-article-card .article-body{padding:20px 18px}
  .archive-article-card .article-topic,.archive-article-card .article-tag{font-size:12px}
  .archive-article-card h3{font-size:18px}
  .archive-article-card .article-desc{font-size:14px}
  .archive-article-card .article-meta{gap:14px;font-size:13px}
  .detail-content .data-card{grid-template-columns:1fr}
  .detail-related-grid{grid-template-columns:1fr}
}

/* ========== article-cover（列表页文章封面图标）========== */
.article-cover {
  width: 72px; height: 72px; border-radius: var(--radius-md);
  background: var(--text-title); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-xs); font-weight: 800; flex-shrink: 0;
}

/* ===== 顶部留白压缩：知识库/分类/标签首屏 ===== */
.blog-hero {
  padding-top: 42px;
  padding-bottom: 42px;
}

@media(max-width:768px) {
  .blog-hero {
    padding-top: 30px;
    padding-bottom: 34px;
  }
}