/* 全站统一样式：1200px 白色卡片布局 */
.page-section{padding:0 0 60px;min-height:60vh;background:#f5f6f8}
.page-container{max-width:1200px;margin:0 auto;padding:0 20px}
.page-container .breadcrumb{padding:20px 0 16px}
.page-card{background:#fff;border-radius:16px;padding:44px 30px;box-shadow:0 1px 8px rgba(0,0,0,.05);margin-bottom:30px}
.page-card h1{font-size:28px;font-weight:700;color:#111827;margin:0 0 20px;padding-bottom:18px;border-bottom:2px solid #f3f4f6;letter-spacing:-.5px}
.page-card h3{font-size:15px;font-weight:600;color:#374151;margin:24px 0 10px}
.page-card p{font-size:15px;color:#4B5563;line-height:1.9;margin-bottom:16px}
.page-card ul{margin:12px 0 24px;padding-left:22px}
.page-card li{font-size:15px;color:#4B5563;line-height:2;margin-bottom:8px}
.page-card strong{color:#1F2937;font-weight:600}
.page-card a{color:#165DFF;text-decoration:none}
.page-card a:hover{text-decoration:underline}
.page-card blockquote{background:#f8fafc;border-left:3px solid #e5e7eb;padding:14px 20px;margin:16px 0;border-radius:0 8px 8px 0;font-size:14px;color:#6B7280}
@media(max-width:768px){
 .page-card{padding:28px 20px;border-radius:12px}
 .page-card h1{font-size:22px}
 .page-container{padding:0 12px}
}

.page-hero{background:linear-gradient(rgba(0,0,0,.48),rgba(0,0,0,.55)),url('/static/page-bg.jpg') center/cover no-repeat;color:#fff;padding:52px 40px;text-align:center;margin-bottom:24px;border-radius:16px;position:relative;overflow:hidden}
.page-hero-inner{max-width:1200px;margin:0 auto;padding:0 20px}
.page-hero h1{font-size:28px;font-weight:700;margin:0 0 10px;color:#fff;border:none;padding-bottom:0;text-shadow:0 1px 6px rgba(0,0,0,.25)}
.page-hero p{font-size:15px;opacity:.92;margin:0;text-shadow:0 1px 4px rgba(0,0,0,.2)}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin:24px 0}
.feature-card{background:#fff;border-radius:12px;padding:24px 20px;box-shadow:0 2px 12px rgba(0,0,0,.06);text-align:center;transition:transform .2s}
.feature-card:hover{transform:translateY(-3px)}
.feature-icon{font-size:40px;margin-bottom:10px}
.feature-card h3{font-size:16px;margin:0 0 8px;color:#1F2937}
.feature-card p{font-size:13px;color:#6B7280;line-height:1.7;margin:0}
.section-block{margin:28px 0}
.section-block h2{font-size:20px;color:#1F2937;margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid #e2e2e2}
.section-block h3{font-size:16px;color:#374151;margin:18px 0 8px}
.section-block p,.section-block li{font-size:14px;color:#4B5563;line-height:1.9}
.section-block ul{padding-left:20px}
.section-block ul li{margin-bottom:6px}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;text-align:center}
.about-stat{background:linear-gradient(135deg,#f0f5ff,#e8f0fe);border-radius:12px;padding:24px 16px}
.about-stat .num{font-size:32px;font-weight:700;color:#165DFF}
.about-stat .lbl{font-size:13px;color:#6B7280;margin-top:4px}
@media(max-width:600px){.about-stats{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}}

/* 全站统一样式：1200px 白色卡片布局 */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-bottom:40px}
.faq-item{background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.04);overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:0 4px 20px rgba(0,0,0,.08)}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:500;color:#1a1a2e;user-select:none;border:none;background:none;width:100%;text-align:left}
.faq-q:hover{color:#165DFF}
.faq-q .faq-arrow{font-size:12px;color:#aaa;transition:transform .3s;flex-shrink:0;margin-left:12px}
.faq-q.open .faq-arrow{transform:rotate(180deg);color:#165DFF}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-a.open{max-height:500px}
.faq-a-inner{padding:0 24px 20px;font-size:15px;color:#555;line-height:1.8}
.faq-cta{text-align:center;padding:32px 20px;background:linear-gradient(135deg,#f8f9ff,#E8F0FE);border-radius:12px;margin:0 0 40px}
.faq-cta h3{font-size:18px;font-weight:600;color:#1a1a2e;margin:0 0 8px}
.faq-cta p{font-size:14px;color:#888;margin:0 0 16px}
.faq-cta .btn-cta{display:inline-block;background:#165DFF;color:#fff;padding:12px 32px;border-radius:24px;text-decoration:none;font-size:15px;font-weight:500}
@media(max-width:768px){
 .faq-q{font-size:15px;padding:16px 18px}
}

.blog-hero{background:linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.45)),url('/static/blog-bg.jpg') center/cover no-repeat;border-radius:16px;padding:48px 40px;margin-bottom:32px;color:#fff}
.blog-hero h1{font-size:32px;font-weight:700;margin:0 0 12px}
.blog-hero p{font-size:16px;opacity:.85;margin:0;line-height:1.6}
.blog-hero-cat{display:inline-block;font-size:11px;background:rgba(255,255,255,.2);backdrop-filter:blur(4px);padding:3px 12px;border-radius:10px;margin-bottom:10px;letter-spacing:1px}
.blog-hero-meta{margin-top:20px;font-size:12px;opacity:.8;display:flex;gap:16px}
.blog-layout{display:flex;gap:32px}
.blog-main{flex:1;min-width:0}
.blog-sidebar{width:260px;flex-shrink:0}
/* 分类筛选 */
.blog-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.blog-filter-chip{padding:8px 18px;border-radius:20px;font-size:14px;cursor:pointer;background:#f0f0f5;color:#555;border:none;transition:all .2s}
.blog-filter-chip:hover{background:#E4E5EA}
.blog-filter-chip.active{background:#165DFF;color:#fff}
/* 文章卡片 */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.blog-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit;display:block}
.blog-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.blog-card-img{width:100%;height:180px;object-fit:cover;background:linear-gradient(135deg,#667eea,#764ba2)}
.blog-card-body{padding:20px}
.blog-card-cat{display:inline-block;font-size:12px;color:#165DFF;background:#E8F0FE;padding:3px 10px;border-radius:10px;margin-bottom:10px}
.blog-card-title{font-size:17px;font-weight:600;color:#1a1a2e;margin:0 0 8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-card-desc{font-size:13px;color:#888;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.blog-card-meta{font-size:12px;color:#aaa;display:flex;justify-content:space-between}
/* 侧边栏 */
.sidebar-card{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.sidebar-card h3{font-size:16px;font-weight:600;margin:0 0 14px;color:#1a1a2e}
.sidebar-cat-list{list-style:none;padding:0;margin:0}
.sidebar-cat-list li{margin-bottom:8px}
.sidebar-cat-list a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:#555;text-decoration:none;transition:all .2s}
.sidebar-cat-list a:hover,.sidebar-cat-list a.active{background:#E8F0FE;color:#165DFF}
/* 分页 */
.blog-pagination{display:flex;justify-content:center;gap:8px;margin-top:32px}
.blog-pagination a,.blog-pagination span{padding:8px 16px;border-radius:8px;font-size:14px;color:#555;text-decoration:none;background:#f0f0f5;transition:all .2s}
.blog-pagination a:hover{background:#165DFF;color:#fff}
.blog-pagination .current{background:#165DFF;color:#fff}
.blog-empty{text-align:center;padding:80px 20px;color:#999}
.blog-empty h3{font-size:20px;margin-bottom:8px;color:#666}
.cta-box{background:linear-gradient(135deg,#165DFF,#0f3460);border-radius:12px;padding:20px;color:#fff;text-align:center;margin-top:16px}
.cta-box h4{font-size:16px;margin:0 0 8px}
.cta-box p{font-size:13px;opacity:.85;margin:0 0 14px}
.cta-box .btn-cta{display:inline-block;background:#E24140;color:#fff;padding:10px 24px;border-radius:20px;text-decoration:none;font-size:14px;font-weight:500}
@media(max-width:768px){
 .blog-layout{flex-direction:column}
 .blog-sidebar{width:100%}
 .blog-hero{padding:28px 20px}
 .blog-hero h1{font-size:24px}
 .blog-grid{grid-template-columns:1fr}
}
/* ═══════════════════════════════
   Blog Detail — 左右分栏布局
   ═══════════════════════════════ */

/* ── 分栏容器 ── */
.bd-layout{max-width:1200px;margin:0 auto;display:flex;gap:28px;padding:24px 0 48px}

/* ── 左侧正文 ── */
.bd-main{flex:1;min-width:0}

/* ── 无封面时的头部 ── */
.bd-header{margin-bottom:28px}
.bd-cat{display:inline-block;font-size:12px;color:#165DFF;background:#EEF3FF;padding:3px 12px;border-radius:10px;margin-bottom:12px;font-weight:500}
.bd-title{font-size:28px;font-weight:800;color:#1a1a2e;line-height:1.4;margin:0 0 10px}
.bd-meta{font-size:12px;color:#999;display:flex;gap:18px;flex-wrap:wrap}

/* 正文排版 */
.bd-body{padding:20px 25px 40px;font-size:15px;color:#333;line-height:1.95;background:#fff;border:1px solid #e8e8ec;border-radius:10px;}
.bd-body h2{font-size:20px;font-weight:700;color:#1a1a2e;margin:32px 0 12px;padding-bottom:8px;border-bottom:2px solid #f0f0f5}
.bd-body h3{font-size:17px;font-weight:600;color:#333;margin:24px 0 8px}
.bd-body p{margin:0 0 16px}
.bd-body ul,.bd-body ol{margin:10px 0 20px 22px}
.bd-body li{margin-bottom:6px}
.bd-body a{color:#165DFF;text-decoration:underline;text-underline-offset:2px}
.bd-body img{max-width:100%;border-radius:8px;margin:16px 0;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.bd-body blockquote{border-left:3px solid #165DFF;background:#f8f9ff;padding:12px 18px;margin:20px 0;color:#555;border-radius:0 8px 8px 0;font-style:italic}
.bd-body code{background:#f0f0f5;padding:2px 7px;border-radius:3px;font-size:13px;color:#e24140}
.bd-body pre{background:#1a1a2e;color:#e0e0e0;padding:16px 20px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.7;margin:16px 0}

/* 分享栏 */
.bd-share{display:flex;align-items:center;gap:10px;margin:36px 0 24px;padding:14px 18px;background:#fff;border:1px solid #e8e8ec;border-radius:10px;font-size:13px;color:#888}
.bd-share a{color:#165DFF;text-decoration:none;padding:5px 14px;background:#f5f6f8;border:1px solid #e0e0e8;border-radius:16px;transition:all .15s;font-size:12px}
.bd-share a:hover{background:#165DFF;color:#fff;border-color:#165DFF}

/* 相关推荐 */
.bd-related{margin-top:36px;padding-top:28px;border-top:1px solid #eee}
.bd-related h3{font-size:18px;font-weight:700;margin:0 0 16px;color:#1a1a2e}
.bd-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.bd-related-card{background:#fff;border:1px solid #f0f0f0;border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;transition:all .2s}
.bd-related-card:hover{border-color:#d0d0e0;box-shadow:0 4px 14px rgba(0,0,0,.05);transform:translateY(-1px)}
.bd-related-card img{width:100%;height:110px;object-fit:cover;display:block}
.bd-related-body{padding:12px 14px}
.bd-related-body h4{font-size:13px;font-weight:600;margin:0 0 4px;color:#1a1a2e;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bd-related-body p{font-size:11px;color:#999;margin:0}

/* ── 右侧侧边栏 ── */
.bd-sidebar{width:280px;flex-shrink:0;position:sticky;top:80px;align-self:flex-start}

.bd-side-card{background:#fff;border-radius:12px;padding:20px;margin-bottom:16px;border:1px solid #f0f0f0}
.bd-side-card h4{font-size:15px;font-weight:700;color:#1a1a2e;margin:0 0 14px}

.bd-info-list{list-style:none;padding:0;margin:0}
.bd-info-list li{font-size:13px;color:#555;padding:7px 0;border-bottom:1px solid #f5f5f5;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.bd-info-list li:last-child{border-bottom:none}
.bd-info-list li span{color:#999;font-size:12px;flex-shrink:0}
.bd-info-tags{flex-wrap:wrap;gap:6px}
.bd-info-tags em{font-style:normal;background:#EEF3FF;color:#165DFF;padding:2px 8px;border-radius:6px;font-size:11px}

.bd-side-cta{background:linear-gradient(135deg,#165DFF,#6366f1);border-radius:12px;padding:22px 18px;margin-bottom:16px;color:#fff;text-align:center}
.bd-side-cta span{font-size:32px;display:block;margin-bottom:6px}
.bd-side-cta h4{font-size:15px;font-weight:700;margin:0 0 4px}
.bd-side-cta p{font-size:12px;opacity:.85;margin:0 0 14px}
.bd-side-cta-btn{display:block;background:#fff;color:#165DFF;padding:10px 0;border-radius:20px;text-decoration:none;font-size:14px;font-weight:600;transition:all .15s}
.bd-side-cta-btn:hover{background:#f0f4ff;transform:translateY(-1px)}

.bd-back-link{display:block;text-align:center;font-size:13px;color:#999;text-decoration:none;padding:10px 0;border-radius:8px;transition:all .15s}
.bd-back-link:hover{color:#165DFF;background:#f5f6f8}

/* ── 响应式 ── */
@media(max-width:768px){
 .bd-layout{flex-direction:column;padding:16px 14px 32px}
 .bd-sidebar{width:100%;position:static}
 .bd-hero{max-height:240px}
 .bd-hero img{max-height:240px}
 .bd-hero-content{padding:20px 16px}
 .bd-hero h1{font-size:20px}
 .bd-title{font-size:22px}
 .bd-body{font-size:14px}
 .bd-related-grid{grid-template-columns:1fr}
}