/* ============================================
   articlesdetail.css - 文章详情页专用样式
   ============================================ */

/* ===== 文本内容区 ===== */
.content-body {
  font-size:1rem; line-height:2; color:var(--text);
}
.content-body p { margin-bottom:18px; }
.content-body img { max-width:100%; border-radius:var(--radius-lg); margin:24px 0; box-shadow:var(--shadow-md); }
.content-body h2, .content-body h3 { font-weight:700; margin-top:32px; margin-bottom:14px; color:var(--text); }
.content-body h2 { font-size:1.5rem; }
.content-body h3 { font-size:1.2rem; }
.content-body ul, .content-body ol { padding-left:24px; margin-bottom:18px; }
.content-body li { margin-bottom:8px; }
.content-body blockquote {
  border-left:4px solid var(--primary);
  background:var(--bg-gray); padding:16px 20px;
  border-radius:0 var(--radius) var(--radius) 0;
  margin:20px 0; color:var(--text-muted); font-style:italic;
}
.content-body a { color:var(--primary); text-decoration:underline; }

/* ===== 淡入动画 ===== */
.fade-in { opacity:0; transform:translateY(20px); transition:all .6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* =============================================
   面包屑导航（从 product.css 复制，供 article_detail 使用）
   ============================================= */
.breadcrumb-bar {
  background:var(--bg-alt); border-bottom:1px solid var(--border);
  padding:12px 0;
}
.breadcrumb-inner {
  display:flex; align-items:center; flex-wrap:wrap; gap:4px;
  font-size:.85rem; color:var(--text-muted);
}
.breadcrumb-inner a {
  display:inline-flex; align-items:center; gap:4px;
  color:var(--text-muted); text-decoration:none;
  padding:2px 8px; border-radius:6px; transition:all .2s;
}
.breadcrumb-inner a:hover { color:var(--primary); background:var(--bg-white); }
.breadcrumb-sep { color:var(--text-light); display:inline-flex; align-items:center; }
.breadcrumb-current {
  color:var(--text); font-weight:600;
  padding:2px 8px; background:var(--bg-white); border-radius:6px;
}

/* ===== Article Detail SEO优化样式 (.detail-*) ===== */

/* Hero区域 */
.detail-hero { position: relative; padding: 140px 0 60px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.detail-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%); }
.detail-hero-bg[style*="background-image"]::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,.55); z-index: 0; }
.detail-hero-inner { position: relative; z-index: 1; }
.detail-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: .9rem; flex-wrap: wrap; }
.detail-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .3s; }
.detail-breadcrumb a:hover { color: #fff; }
.detail-breadcrumb svg { color: rgba(255,255,255,.4); }
.detail-breadcrumb span { color: rgba(255,255,255,.9); }
.detail-hero-title { font-size: 2.4rem; font-weight: 800; color: #fff; margin: 0 0 20px; line-height: 1.3; letter-spacing: -0.02em; }
.detail-hero-summary { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0 0 24px; line-height: 1.7; }
.detail-hero-meta { display: flex; gap: 24px; flex-wrap: wrap; }
.detail-meta-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.8); font-size: .9rem; }
.detail-meta-item svg { opacity: .7; }

/* 内容区域 */
.detail-article { padding: 60px 0 80px; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.detail-content-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }

/* 侧边栏 */
.detail-sidebar { position: sticky; top: 100px; }
.detail-sidebar-card { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.06); border: 1px solid #e2e8f0; margin-bottom: 24px; }
.detail-sidebar-title { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; color: #000; margin: 0 0 20px; padding-bottom: 16px; border-bottom: 2px solid #f1f5f9; }
.detail-sidebar-title svg { color: #2563eb; }

.detail-info-list { display: flex; flex-direction: column; gap: 16px; }
.detail-info-item { display: flex; flex-direction: column; gap: 6px; }
.detail-info-label { font-size: .8rem; color: #000; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.detail-info-value { font-size: .95rem; color: #000; font-weight: 500; }
.detail-info-link { color: #2563eb; text-decoration: none; font-weight: 500; transition: color .3s; }
.detail-info-link:hover { color: #1d4ed8; text-decoration: underline; }
.detail-info-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.detail-info-tag { display: inline-block; padding: 4px 10px; background: #eff6ff; color: #2563eb; font-size: .8rem; font-weight: 500; border-radius: 20px; text-decoration: none; transition: all .3s; }
.detail-info-tag:hover { background: #2563eb; color: #fff; }

/* 目录 */
.detail-toc-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.detail-toc-item a { display: block; padding: 8px 12px; color: #000; text-decoration: none; font-size: .9rem; border-radius: 8px; transition: all .3s; border-left: 2px solid transparent; }
.detail-toc-item a:hover { background: #eff6ff; color: #2563eb; border-left-color: #2563eb; }
.detail-toc-h2 { padding-left: 0; }
.detail-toc-h3 { padding-left: 16px; font-size: .85rem; }
.detail-toc-loading, .detail-toc-empty { color: #000; font-size: .9rem; text-align: center; padding: 20px 0; }

/* 分享 */
.detail-share { display: flex; flex-direction: column; gap: 10px; }
.detail-share-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; background: #f8fafc; color: #000; border: 1px solid #e2e8f0; border-radius: 10px; font-size: .9rem; font-weight: 500; cursor: pointer; transition: all .3s; }
.detail-share-btn:hover { background: #2563eb; color: #fff; border-color: #2563eb; }

/* 文章正文 */
.detail-main { min-width: 0; }
.detail-article-summary { display: flex; gap: 20px; background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%); border-left: 4px solid #2563eb; border-radius: 12px; padding: 24px; margin-bottom: 32px; }
.detail-summary-icon { flex-shrink: 0; width: 48px; height: 48px; background: #2563eb; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; }
.detail-summary-content h4 { font-size: .9rem; font-weight: 700; color: #2563eb; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .5px; }
.detail-summary-content p { color: #000; font-size: 1rem; line-height: 1.7; margin: 0; }

.detail-article-body { font-size: 1.05rem; line-height: 1.9; color: #000; }
.detail-article-body h2 { font-size: 1.6rem; font-weight: 700; color: #000; margin: 48px 0 24px; padding-bottom: 12px; border-bottom: 2px solid #e2e8f0; }
.detail-article-body h3 { font-size: 1.3rem; font-weight: 700; color: #000; margin: 36px 0 16px; }
.detail-article-body p { margin: 0 0 20px; }
.detail-article-body img { max-width: 100%; height: auto; border-radius: 12px; margin: 24px 0; }
.detail-article-body ul, .detail-article-body ol { margin: 0 0 20px; padding-left: 28px; }
.detail-article-body li { margin-bottom: 8px; }
.detail-article-body a { color: #2563eb; text-decoration: none; }
.detail-article-body a:hover { text-decoration: underline; }
.detail-article-body blockquote { margin: 24px 0; padding: 20px 24px; background: #f8fafc; border-left: 4px solid #2563eb; border-radius: 0 12px 12px 0; color: #000; }
.detail-article-body code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: .9em; color: #e11d48; }
.detail-article-body pre { background: #1e293b; color: #e2e8f0; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 24px 0; }
.detail-article-body pre code { background: none; color: inherit; padding: 0; }
.detail-article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.detail-article-body th, .detail-article-body td { padding: 12px 16px; border: 1px solid #e2e8f0; text-align: left; }
.detail-article-body th { background: #f8fafc; font-weight: 600; }

/* 图片画廊 */
.detail-gallery { margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }

/* 标签 */
.detail-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }
.detail-tags-label { font-weight: 600; color: #000; font-size: .9rem; }
.detail-tags .tags-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-tags .tag-item { display:inline-block; padding:6px 16px; background:#f1f5f9; color:#000; font-size:.85rem; border-radius:50px; text-decoration:none; transition:all .2s; }
.detail-tags .tag-item:hover { background:#2563eb; color:#fff; }

/* 文章导航 */
.detail-nav { margin-top: 48px; padding-top: 32px; border-top: 2px solid #e2e8f0; }
.detail-nav-title { font-size: 1.1rem; font-weight: 700; color: #000; margin: 0 0 20px; }
.detail-nav-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.detail-nav-item { display: flex; flex-direction: column; gap: 8px; padding: 20px; background: #f8fafc; border-radius: 12px; text-decoration: none; transition: all .3s; border: 1px solid transparent; }
.detail-nav-item:hover { background: #eff6ff; border-color: #2563eb; }
.detail-nav-empty { background: transparent; }
.detail-nav-prev { align-items: flex-start; }
.detail-nav-next { align-items: flex-end; text-align: right; }
.detail-nav-dir { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: #000; font-weight: 600; }
.detail-nav-next .detail-nav-dir { flex-direction: row-reverse; }
.detail-nav-text { font-size: .95rem; color: #000; font-weight: 500; line-height: 1.4; }

/* 相关产品 */
.detail-related { padding: 60px 0; }
.detail-related-alt { background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.detail-section-header { text-align: center; margin-bottom: 40px; }
.detail-section-title { font-size: 1.8rem; font-weight: 800; color: #000; margin: 0 0 12px; }
.detail-section-desc { font-size: 1rem; color: #000; margin: 0; }
.detail-products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.detail-product-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s; display: flex; flex-direction: column; }
.detail-product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,.1); border-color: #2563eb; }
.detail-product-img { height: 180px; overflow: hidden; background: #f8fafc; }
.detail-product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.detail-product-card:hover .detail-product-img img { transform: scale(1.05); }
.detail-product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.detail-product-body h3 { font-size: 1.1rem; font-weight: 700; color: #000; margin: 0 0 10px; line-height: 1.4; }
.detail-product-body p { font-size: .9rem; color: #000; margin: 0 0 16px; line-height: 1.6; flex: 1; }
.detail-product-btn { display: inline-block; padding: 10px 20px; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; font-size: .9rem; font-weight: 600; border-radius: 8px; text-align: center; transition: all .3s; }
.detail-product-card:hover .detail-product-btn { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.3); }

/* 相关文章 */
.detail-articles-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.detail-article-item { display: flex; gap: 16px; padding: 20px; background: #fff; border-radius: 12px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s; }
.detail-article-item:hover { transform: translateX(4px); box-shadow: 0 10px 30px rgba(0,0,0,.08); border-color: #2563eb; }
.detail-article-img { width: 100px; height: 80px; flex-shrink: 0; border-radius: 8px; overflow: hidden; background: #f8fafc; }
.detail-article-img img { width: 100%; height: 100%; object-fit: cover; }
.detail-article-item .detail-article-body { flex: 1; min-width: 0; }
.detail-article-item .detail-article-body h3 { font-size: 1.1rem; font-weight: 700; color: #000; margin: 0 0 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.detail-article-item .detail-article-body p { font-size: 1rem; color: #333; margin: 0 0 12px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.detail-article-meta { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; color: #000; }
.detail-article-meta span { color: #2563eb; font-weight: 500; }

/* CTA */
.detail-cta { padding: 60px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); }
.detail-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.detail-cta-content h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.detail-cta-content p { font-size: 1rem; color: rgba(255,255,255,.8); margin: 0; }
.detail-cta-btn { padding: 16px 36px; background: #fff; color: #2563eb; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 12px; transition: all .3s; display: inline-block; white-space: nowrap; }
.detail-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.3); }

/* 响应式 */
@media(max-width: 1024px) {
  .detail-content-wrap { grid-template-columns: 240px 1fr; gap: 32px; }
  .detail-cta-inner { flex-direction: column; text-align: center; }
}

@media(max-width: 768px) {
  .detail-hero { padding: 120px 0 50px; }
  .detail-hero-title { font-size: 1.8rem; }
  .detail-content-wrap { grid-template-columns: 1fr; gap: 32px; }
  .detail-sidebar { position: static; }
  .detail-nav-grid { grid-template-columns: 1fr; }
  .detail-products-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-articles-list { grid-template-columns: 1fr; }
  .detail-cta-content h2 { font-size: 1.5rem; }
  .detail-cta-btn { width: 100%; text-align: center; }
}

@media(max-width: 480px) {
  .detail-hero { padding: 100px 0 40px; }
  .detail-hero-title { font-size: 1.5rem; }
  .detail-hero-summary { font-size: 1rem; }
  .detail-hero-meta { flex-direction: column; gap: 12px; }
  .detail-sidebar-card { padding: 20px; }
  .detail-products-grid { grid-template-columns: 1fr; }
  .detail-article-item { flex-direction: column; }
  .detail-article-img { width: 100%; height: 160px; }
}

/* =============================================
   解决方案详情页（article_detail_solution.html）
   前缀: sol-
   ============================================= */

/* --- Hero Banner --- */
.sol-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%);
  color: #fff;
  overflow: hidden;
}
.sol-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,36,.7) 0%, rgba(30,58,95,.5) 100%);
  z-index: 1;
}
.sol-hero-inner { position: relative; z-index: 2; text-align: center; }
.sol-breadcrumb {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 24px; font-size: .9rem; flex-wrap: wrap;
}
.sol-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .3s; }
.sol-breadcrumb a:hover { color: #fff; }
.sol-breadcrumb svg { color: rgba(255,255,255,.4); }
.sol-breadcrumb span { color: rgba(255,255,255,.9); }
.sol-hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; margin: 0 0 16px; line-height: 1.25;
}
.sol-hero-subtitle {
  font-size: 1.1rem; color: rgba(255,255,255,.8);
  margin: 0 auto; line-height: 1.7; max-width: 700px;
}

/* --- Section 基础 --- */
.sol-section { padding: 80px 0; }
.sol-section-alt { background: #f8fafc; }
.sol-section-header { text-align: center; margin-bottom: 48px; }
.sol-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  font-size: 1.2rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-radius: 12px; margin-bottom: 16px;
}
.sol-title {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 800; color: #0f172a; margin: 0 0 10px; line-height: 1.25;
}
.sol-desc { font-size: .95rem; color: #64748b; margin: 0; }

/* --- 板块1：行业痛点（4列卡片） --- */
.sol-grid-4col {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.sol-card {
  background: #fff; border: 1px solid #eef2f6; border-radius: 14px;
  padding: 32px 24px; text-align: center; transition: all .3s ease;
}
.sol-card:hover {
  box-shadow: 0 12px 40px rgba(37,99,235,.1);
  border-color: rgba(37,99,235,.2);
  transform: translateY(-4px);
}
.sol-card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: #2563eb; margin-bottom: 20px;
}
.sol-card-title {
  font-size: 1.1rem; font-weight: 700; color: #0f172a; margin: 0 0 10px;
}
.sol-card-text {
  font-size: .9rem; color: #64748b; line-height: 1.7; margin: 0;
}

/* --- 板块2：方案核心设计思路（垂直流程） --- */
.sol-flow {
  max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px;
}
.sol-flow-item {
  display: flex; align-items: flex-start; gap: 20px;
  background: #fff; border: 1px solid #eef2f6; border-radius: 14px;
  padding: 24px 28px; transition: all .3s ease;
}
.sol-flow-item:hover {
  box-shadow: 0 8px 30px rgba(37,99,235,.08);
  border-color: rgba(37,99,235,.15);
  transform: translateX(6px);
}
.sol-flow-num {
  flex-shrink: 0; width: 44px; height: 44px; display: flex;
  align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-radius: 12px;
}
.sol-flow-body { flex: 1; min-width: 0; }
.sol-flow-title { font-size: 1.1rem; font-weight: 700; color: #0f172a; margin: 0 0 8px; }
.sol-flow-text { font-size: .9rem; color: #64748b; line-height: 1.7; margin: 0; }

/* --- 板块3：配套推荐设备清单（4列卡片） --- */
.sol-equip-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.sol-equip-card {
  background: #fff; border: 1px solid #eef2f6; border-radius: 14px;
  padding: 32px 20px; text-align: center; transition: all .3s ease;
}
.sol-equip-card:hover {
  box-shadow: 0 12px 40px rgba(37,99,235,.1);
  border-color: rgba(37,99,235,.2);
  transform: translateY(-4px);
}
.sol-equip-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 72px; height: 72px; border-radius: 18px;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  color: #16a34a; margin-bottom: 20px;
}
.sol-equip-title {
  font-size: 1.1rem; font-weight: 700; color: #0f172a; margin: 0 0 10px;
}
.sol-equip-text {
  font-size: .9rem; color: #64748b; line-height: 1.7; margin: 0;
}

/* --- 板块4：落地工程案例实拍 --- */
.sol-case-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px;
}
.sol-case-card {
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  background: #fff; border: 1px solid #eef2f6; border-radius: 14px;
  overflow: hidden; transition: all .3s ease;
}
.sol-case-card:hover {
  box-shadow: 0 12px 40px rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.2);
  transform: translateY(-4px);
}
.sol-case-img { height: 200px; overflow: hidden; background: #f8fafc; }
.sol-case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sol-case-card:hover .sol-case-img img { transform: scale(1.05); }
.sol-case-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.sol-case-body h4 { font-size: 1rem; font-weight: 700; color: #0f172a; margin: 0 0 8px; }
.sol-case-body p { font-size: .85rem; color: #64748b; line-height: 1.6; margin: 0; flex: 1; }
.sol-empty {
  text-align: center; padding: 60px 20px; color: #94a3b8;
}

/* --- 板块5：全流程配套工程服务（水平箭头流程） --- */
.sol-service-steps {
  display: flex; align-items: flex-start; justify-content: center;
  flex-wrap: wrap; gap: 0;
}
.sol-service-step {
  flex: 1; min-width: 160px; max-width: none;
  text-align: center; padding: 28px 20px;
}
.sol-service-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: #2563eb; margin-bottom: 16px;
}
.sol-service-title {
  font-size: 1rem; font-weight: 700; color: #0f172a; margin: 0 0 8px;
}
.sol-service-text {
  font-size: .85rem; color: #64748b; line-height: 1.6; margin: 0;
}
.sol-service-arrow {
  display: flex; align-items: center; padding-top: 44px;
  color: #94a3b8; flex-shrink: 0;
}

/* --- 相关文章（上图下文卡片网格） --- */
.sol-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* --- 响应式 --- */
@media(max-width: 992px) {
  .sol-hero { padding: 140px 0 60px; }
  .sol-grid-4col { grid-template-columns: repeat(2, 1fr); }
  .sol-equip-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-related-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-service-steps { gap: 16px; }
  .sol-service-step { min-width: 120px; }
  .sol-service-arrow { display: none; }
}
@media(max-width: 640px) {
  .sol-hero { padding: 120px 0 50px; }
  .sol-hero-title { font-size: 1.5rem; }
  .sol-hero-subtitle { font-size: 1rem; }
  .sol-section { padding: 50px 0; }
  .sol-section-header { margin-bottom: 32px; }
  .sol-grid-4col { grid-template-columns: 1fr; }
  .sol-equip-grid { grid-template-columns: 1fr; }
  .sol-card { padding: 24px 20px; }
  .sol-equip-card { padding: 24px 20px; }
  .sol-flow-item { padding: 18px 20px; }
  .sol-service-step { min-width: 100px; padding: 20px 12px; }
  /* 相关行业解决方案：移动端改为左右滑动滚动条 */
  .sol-related-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 16px;
    padding: 0 4px 12px;
    scrollbar-width: thin;
  }
  .sol-related-grid::-webkit-scrollbar {
    height: 4px;
  }
  .sol-related-grid::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
  }
  .sol-related-card {
    flex: 0 0 85%;
    scroll-snap-align: start;
  }
}

.sol-related-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid #eef2f6;
  border-radius: 14px;
  overflow: hidden;
  transition: all .3s ease;
}
.sol-related-card:hover {
  box-shadow: 0 12px 40px rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.2);
  transform: translateY(-4px);
}
.sol-related-img {
  height: 180px;
  overflow: hidden;
  background: #f8fafc;
}
.sol-related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.sol-related-card:hover .sol-related-img img {
  transform: scale(1.05);
}
.sol-related-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sol-related-date {
  font-size: .78rem;
  color: #94a3b8;
  margin-bottom: 8px;
  display: block;
}
.sol-related-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sol-related-summary {
  font-size: .85rem;
  color: #64748b;
  line-height: 1.6;
  margin: 0 0 auto;
  flex: 1;
}
.sol-related-link {
  display: inline-block;
  margin-top: 12px;
  font-size: .85rem;
  font-weight: 600;
  color: #2563eb;
  transition: color .3s;
}
.sol-related-card:hover .sol-related-link {
  color: #1d4ed8;
}