/* ============================================
   articlesdetail.css — 文章详情页深色版（配合 dark.css）
   ============================================ */

/* ===== 文本内容区 ===== */
.content-body { font-size: 1rem; line-height: 2; color: var(--body-color); }
.content-body p { margin-bottom: 18px; }
.content-body img { max-width: 100%; height: auto; border-radius: 12px; margin: 24px 0; border: 1px solid var(--border); }
.content-body h2, .content-body h3 { font-weight: 700; margin-top: 32px; margin-bottom: 14px; color: var(--title-color); }
.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(--accent);
  background: var(--card-2); padding: 16px 20px;
  border-radius: 0 10px 10px 0; margin: 20px 0;
  color: var(--text); font-style: italic;
}
.content-body a { color: var(--accent2); text-decoration: underline; }
.content-body a:hover { color: var(--accent); }
.content-body code { background: var(--card-2); padding: 2px 6px; border-radius: 4px; font-size: .9em; color: var(--accent2); }
.content-body pre { background: #0a0e14; color: var(--text); padding: 18px; border-radius: 12px; border: 1px solid var(--border); overflow-x: auto; margin: 24px 0; }
.content-body pre code { background: none; color: inherit; padding: 0; }
.content-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.content-body th, .content-body td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; color: var(--body-color); }
.content-body th { background: var(--card-2); color: var(--title-color); font-weight: 600; }

/* ===== 面包屑 ===== */
.breadcrumb-bar { background: var(--bg-2); padding: 12px 0; }
.breadcrumb-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; font-size: .85rem; color: var(--muted); }
.breadcrumb-inner a { display: inline-flex; align-items: center; gap: 4px; color: var(--muted); text-decoration: none; padding: 2px 8px; border-radius: 6px; transition: all .2s; }
.breadcrumb-inner a:hover { color: var(--accent2); background: var(--card); }
.breadcrumb-sep { color: var(--muted); display: inline-flex; align-items: center; }
.breadcrumb-current { color: var(--text); font-weight: 600; padding: 2px 8px; background: var(--card); border-radius: 6px; }

/* ===== Article Detail (.detail-*) ===== */
.detail-article { padding: 64px 0 88px; background: var(--bg); }
.detail-content-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }

/* 侧边栏 */
.detail-sidebar { position: sticky; top: 100px; }
.detail-sidebar-card { background: var(--card); border-radius: 16px; padding: 24px; border: 1px solid var(--border); margin-bottom: 24px; }
.detail-sidebar-title { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; color: var(--title-color); margin: 0 0 18px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.detail-sidebar-title svg { color: var(--accent2); }

.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: .78rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.detail-info-value { font-size: .95rem; color: var(--text); font-weight: 500; }
.detail-info-link { color: var(--accent2); text-decoration: none; font-weight: 500; transition: color .3s; }
.detail-info-link:hover { color: var(--accent); text-decoration: underline; }

/* 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: var(--body-color); text-decoration: none; font-size: .9rem; border-radius: 8px; transition: all .3s; border-left: 2px solid transparent; }
.detail-toc-item a:hover { background: rgba(255,92,51,.08); color: var(--accent2); border-left-color: var(--accent); }
.detail-toc-h2 { padding-left: 0; }
.detail-toc-h3 { padding-left: 16px; font-size: .85rem; }
.detail-toc-loading, .detail-toc-empty { color: var(--muted); 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: var(--card-2); color: var(--body-color); border: 1px solid var(--border); border-radius: 10px; font-size: .9rem; font-weight: 500; cursor: pointer; text-decoration: none; transition: all .3s; }
.detail-share-btn:hover { background: var(--accent); color: #fff; border-color: transparent; }

/* 正文 */
.detail-main { min-width: 0; }
.detail-article-summary { display: flex; gap: 20px; background: var(--card-2); border-left: 4px solid var(--accent); border-radius: 12px; padding: 24px; margin-bottom: 32px; }
.detail-summary-icon { flex-shrink: 0; width: 48px; height: 48px; background: linear-gradient(135deg, var(--accent), #e5471d); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; }
.detail-summary-content h4 { font-size: .9rem; font-weight: 700; color: var(--accent2); margin: 0 0 8px; text-transform: uppercase; letter-spacing: .5px; }
.detail-summary-content p { color: var(--text); font-size: 1rem; line-height: 1.8; margin: 0; }

.detail-article-body { font-size: 1.05rem; line-height: 1.95; color: var(--body-color); }
.detail-article-body h2 { font-size: 1.6rem; font-weight: 700; color: var(--title-color); margin: 48px 0 24px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.detail-article-body h3 { font-size: 1.3rem; font-weight: 700; color: var(--title-color); 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; border: 1px solid var(--border); }
.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: var(--accent2); text-decoration: none; }
.detail-article-body a:hover { color: var(--accent); text-decoration: underline; }
.detail-article-body blockquote { margin: 24px 0; padding: 20px 24px; background: var(--card-2); border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; color: var(--text); }
.detail-article-body code { background: var(--card-2); padding: 2px 6px; border-radius: 4px; font-size: .9em; color: var(--accent2); }
.detail-article-body pre { background: #0a0e14; color: var(--text); padding: 20px; border-radius: 12px; border: 1px solid var(--border); 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 var(--border); text-align: left; color: var(--body-color); }
.detail-article-body th { background: var(--card-2); color: var(--title-color); font-weight: 600; }

/* 图文块（editor-*） */
.editor-section { display: flex; flex-direction: column; gap: 12px; }
.editor-title { font-size: 1.3rem; font-weight: 700; color: var(--title-color); margin: 32px 0 4px; }
.editor-section .content-body:first-child .editor-title, .editor-section .editor-title:first-child { margin-top: 0; }

/* 图片画廊（gallery-*） */
.detail-gallery { margin-top: 40px; }
.gallery-section { margin: 0; }
.gallery-section h2 { display: flex; align-items: center; gap: 8px; font-size: 1.3rem; font-weight: 700; color: var(--title-color); margin: 0 0 22px; }
.gallery-grid-view { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.gallery-item { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--card-2); }
.gallery-item img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.05); }

/* 标签（tags-wrap / tag-item） */
.detail-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.detail-tags-label { font-weight: 600; color: var(--title-color); 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: rgba(255,184,107,.1); color: var(--accent2); border: 1px solid rgba(255,184,107,.22); font-size: .85rem; border-radius: 999px; text-decoration: none; transition: all .2s; }
.detail-tags .tag-item:hover { background: var(--accent); color: #fff; border-color: transparent; }

/* 上一篇 / 下一篇 */
.detail-nav { margin-top: 48px; }
.detail-nav-title { font-size: 1.1rem; font-weight: 700; color: var(--title-color); 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: var(--card); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; transition: all .3s; }
.detail-nav-item:hover { background: var(--card-2); border-color: rgba(255,92,51,.45); }
.detail-nav-empty { background: transparent; border-style: dashed; }
.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: var(--accent2); font-weight: 600; }
.detail-nav-next .detail-nav-dir { flex-direction: row-reverse; }
.detail-nav-text { font-size: .95rem; color: var(--text); font-weight: 500; line-height: 1.5; }

/* 相关产品 / 相关文章 */
.detail-related { padding: 72px 0; background: var(--bg); }
.detail-related.dk-sec-alt { background: var(--bg-2); }
.detail-products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.detail-product-card { background: var(--card); border-radius: 16px; overflow: hidden; border: 1px solid var(--border); text-decoration: none; display: flex; flex-direction: column; }
.detail-product-img { height: 180px; overflow: hidden; background: var(--card-2); }
.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: var(--title-color); margin: 0 0 10px; line-height: 1.45; }
.detail-product-body p { font-size: .9rem; color: var(--body-color); margin: 0 0 16px; line-height: 1.7; flex: 1; }
.detail-product-btn { display: inline-block; padding: 10px 20px; background: linear-gradient(135deg, var(--accent), #e5471d); color: #fff; font-size: .9rem; font-weight: 600; border-radius: 8px; text-align: center; transition: all .3s; }

.detail-articles-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.detail-article-item { display: flex; gap: 16px; padding: 20px; background: var(--card); border-radius: 12px; border: 1px solid var(--border); text-decoration: none; }
.detail-article-img { width: 108px; height: 84px; flex-shrink: 0; border-radius: 8px; overflow: hidden; background: var(--card-2); }
.detail-article-img img { width: 100%; height: 100%; object-fit: cover; }
.detail-article-item .detail-article-body { flex: 1; min-width: 0; font-size: inherit; }
.detail-article-item .detail-article-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--title-color); margin: 0 0 8px; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.detail-article-item .detail-article-body p { font-size: .92rem; color: var(--body-color); margin: 0 0 12px; line-height: 1.7; 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: var(--muted); }
.detail-article-meta span { color: var(--accent2); font-weight: 500; }

/* ===== 文章详情·AI 模板（article_detail_ai） ===== */
.dai-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 28px; }
.dai-meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); }
.dai-meta-item svg { width: 15px; height: 15px; }
.dai-meta-tag { display: inline-block; padding: 5px 14px; border-radius: 999px; background: rgba(255,184,107,.1); border: 1px solid rgba(255,184,107,.22); color: var(--accent2); font-size: .8rem; font-weight: 600; }
.dai-share-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.dai-share-row .detail-share-btn { width: auto; }
.dai-quick-nav { display: flex; flex-direction: column; gap: 8px; }
.dai-quick-link { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--card-2); border: 1px solid transparent; border-radius: 12px; color: var(--body-color); font-size: .92rem; font-weight: 500; text-decoration: none; transition: all .3s ease; }
.dai-quick-link:hover { background: rgba(255,92,51,.08); color: var(--accent2); border-color: rgba(255,92,51,.3); transform: translateX(4px); }
.dai-quick-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.dai-inquiry { margin-top: 40px; background: linear-gradient(150deg, var(--card-2) 0%, #1a1410 100%); border: 1px solid rgba(255,92,51,.35); border-radius: 16px; padding: 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.dai-inquiry h3 { font-size: 1.2rem; font-weight: 700; color: #fff; margin: 0 0 8px; }
.dai-inquiry p { font-size: .92rem; color: var(--body-color); margin: 0; }
.dai-inquiry-feats { display: flex; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
.dai-inquiry-feats span { position: relative; padding-left: 16px; font-size: .82rem; color: var(--accent2); }
.dai-inquiry-feats span::before { content: ""; position: absolute; left: 0; top: 7px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.dai-inquiry-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media(max-width: 768px) {
  .dai-inquiry { flex-direction: column; align-items: flex-start; padding: 24px; }
}

@media(max-width: 1024px) {
  .detail-content-wrap { grid-template-columns: 240px 1fr; gap: 32px; }
}
@media(max-width: 768px) {
  .detail-article { padding: 44px 0 64px; }
  .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-related { padding: 52px 0; }
}
@media(max-width: 480px) {
  .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; }
  .detail-article-summary { flex-direction: column; gap: 12px; padding: 20px; }
}

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

/* ===== HowTo 教程区（深色覆写） ===== */
.howto-section {
  margin: 28px 0 16px; padding: 24px 28px;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
}
.howto-header { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.howto-title { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 20px; font-weight: 700; color: var(--title-color); }
.howto-title svg { color: var(--accent2); }
.howto-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.howto-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--card-2); border: 1px solid var(--border); color: var(--body-color);
  font-size: 13px; font-weight: 500;
}
.howto-chip svg { flex-shrink: 0; }
.howto-chip-time { background: rgba(255,184,107,.08); border-color: rgba(255,184,107,.25); color: var(--accent2); }
.howto-chip-yield { background: rgba(63,185,80,.1); color: #66d98a; border-color: rgba(63,185,80,.3); }
.howto-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-bottom: 20px; }
.howto-card { background: var(--card-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; }
.howto-card-title { display: flex; align-items: center; gap: 8px; margin: 0 0 10px 0; font-size: 15px; font-weight: 600; color: var(--title-color); }
.howto-card-title svg { color: var(--accent2); }
.howto-chip-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.howto-chip-list li { position: relative; padding-left: 18px; font-size: 14px; color: var(--body-color); line-height: 1.6; }
.howto-chip-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); opacity: .8; }
.howto-steps { display: flex; flex-direction: column; gap: 14px; }
.howto-step-row {
  display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: start;
  padding: 18px 20px; background: var(--card-2); border: 1px solid var(--border);
  border-radius: 14px; transition: border-color .2s, box-shadow .2s;
}
.howto-step-row:hover { border-color: rgba(255,92,51,.45); box-shadow: 0 10px 28px rgba(0,0,0,.4); }
.howto-step-num {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), #e5471d); color: #fff; font-weight: 700; font-size: 18px;
  box-shadow: 0 6px 16px rgba(255,92,51,.3); flex-shrink: 0;
}
.howto-step-body { min-width: 0; }
.howto-step-name { margin: 2px 0 8px 0; font-size: 16px; font-weight: 600; color: var(--title-color); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.howto-step-dur { display: inline-flex; align-items: center; font-size: 11px; font-weight: 500; color: var(--accent2); background: rgba(255,184,107,.12); padding: 2px 8px; border-radius: 999px; }
.howto-step-text { font-size: 14px; color: var(--body-color); line-height: 1.85; word-break: break-word; white-space: pre-wrap; }
.howto-step-img { display: block; min-width: 160px; max-width: 220px; }
.howto-step-img img { width: 100%; max-height: 160px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); display: block; }
@media (max-width: 820px) {
  .howto-section { padding: 18px 16px; }
  .howto-step-row { grid-template-columns: 40px 1fr; }
  .howto-step-img { grid-column: 1 / -1; min-width: 0; max-width: 100%; }
  .howto-step-img img { max-height: 200px; }
  .howto-step-num { width: 36px; height: 36px; font-size: 16px; border-radius: 10px; }
  .howto-title { font-size: 18px; }
}

/* =============================================
   解决方案详情页（article_detail_solution.html）深色版
   前缀: solsec-
   ============================================= */
.solsec { padding: 80px 0; background: var(--bg); }
.solsec-alt { background: var(--bg-2); }
.solsec-head { text-align: center; margin-bottom: 48px; }
.solsec-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 52px; height: 52px; padding: 0 12px;
  font-size: 1.05rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--accent), #e5471d);
  border-radius: 14px; margin-bottom: 18px; box-shadow: 0 8px 22px rgba(255,92,51,.3);
}
.solsec-title { font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 800; color: var(--title-color); margin: 0 0 10px; line-height: 1.3; }
.solsec-sub { font-size: .95rem; color: var(--body-color); margin: 0; }
.solsec-grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.solsec-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 32px 24px; text-align: center; transition: all .3s ease; }
.solsec-card:hover { transform: translateY(-6px); border-color: rgba(255,92,51,.45); box-shadow: 0 16px 40px rgba(0,0,0,.5); }
.solsec-card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(255,92,51,.1); border: 1px solid rgba(255,92,51,.28);
  color: var(--accent2); margin-bottom: 20px;
}
.solsec-card-title { font-size: 1.08rem; font-weight: 700; color: var(--title-color); margin: 0 0 10px; }
.solsec-card-text { font-size: .9rem; color: var(--body-color); line-height: 1.75; margin: 0; }
.solsec-flow { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.solsec-flow-item {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px 28px; transition: all .3s ease;
}
.solsec-flow-item:hover { border-color: rgba(255,92,51,.45); transform: translateX(6px); }
.solsec-flow-num {
  flex-shrink: 0; width: 46px; height: 46px; display: flex;
  align-items: center; justify-content: center;
  font-size: 1.05rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--accent), #e5471d); border-radius: 12px;
}
.solsec-flow-body { flex: 1; min-width: 0; }
.solsec-flow-title { font-size: 1.08rem; font-weight: 700; color: var(--title-color); margin: 0 0 8px; }
.solsec-flow-text { font-size: .9rem; color: var(--body-color); line-height: 1.75; margin: 0; }
.solsec-steps { display: flex; align-items: flex-start; justify-content: center; flex-wrap: wrap; }
.solsec-step { flex: 1; min-width: 170px; text-align: center; padding: 24px 16px; }
.solsec-step-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(255,92,51,.1); border: 1px solid rgba(255,92,51,.28);
  color: var(--accent2); margin-bottom: 16px;
}
.solsec-step-title { font-size: 1rem; font-weight: 700; color: var(--title-color); margin: 0 0 8px; }
.solsec-step-text { font-size: .85rem; color: var(--body-color); line-height: 1.65; margin: 0; }
.solsec-step-arrow { display: flex; align-items: center; padding-top: 48px; color: var(--muted); flex-shrink: 0; }
.solsec-empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.solsec-empty p { margin: 14px 0 0; font-size: .95rem; }
@media(max-width: 992px) {
  .solsec-grid4 { grid-template-columns: repeat(2, 1fr); }
  .solsec-steps { gap: 16px; }
  .solsec-step { min-width: 130px; }
  .solsec-step-arrow { display: none; }
}
@media(max-width: 640px) {
  .solsec { padding: 52px 0; }
  .solsec-head { margin-bottom: 32px; }
  .solsec-grid4 { grid-template-columns: 1fr; }
  .solsec-card { padding: 24px 20px; }
  .solsec-flow-item { padding: 18px 20px; }
  .solsec-step { min-width: 110px; padding: 18px 10px; }
}