/* v08 · 28/09/2026 — Mọi hiệu ứng :hover chỉ chạy trên desktop ≥1200px có chuột (@media (min-width: 1200px) and (hover: hover)). Mobile/tablet không có hover. */
/* =====================================================================
   F2Tech Asia — Insight list + Article template (CMS)
   Reuses tokens/base/grid/components + insight card styles from site.css
   ===================================================================== */

/* subpages start on a light background → header solid from the top */
.subpage { background: var(--bg); }

/* ============================= INSIGHT LIST ============================= */
.blog-hero { padding: 18rem 0 5rem; }
.blog-hero .tagline { margin-bottom: 1.6rem; }
.blog-hero h1 { font-size: 7rem; font-weight: 500; letter-spacing: -.4rem; line-height: 1.02; }
.blog-hero p { margin-top: 2.4rem; max-width: 64rem; font-size: 1.9rem; line-height: 1.6; color: var(--fg-muted); }

.blog-filters { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 4.5rem; }
.blog-filter {
  font-family: var(--font-mono); font-size: 1.3rem; font-weight: 500; letter-spacing: .02em;
  padding: 1rem 2.2rem; border: 1px solid var(--border); border-radius: 100px; color: var(--fg-muted);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
@media (min-width: 1200px) and (hover: hover) { .blog-filter:hover { border-color: var(--fg); color: var(--fg); } }
.blog-filter.active { background: var(--fg); color: var(--neutral-0); border-color: var(--fg); }

.blog-grid { row-gap: 6.5rem; padding-block: 6rem 8rem; }

/* pagination */
.blog-pagination { display: flex; justify-content: center; align-items: center; gap: .8rem; padding: 2rem 0 14rem; }
.page-btn {
  min-width: 4.6rem; height: 4.6rem; padding: 0 1.4rem; border-radius: 100px;
  border: 1px solid var(--border); font-family: var(--font-mono); font-size: 1.4rem; color: var(--fg);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
@media (min-width: 1200px) and (hover: hover) { .page-btn:hover { border-color: var(--fg); } }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn svg { width: 2rem; height: 2rem; }

/* ============================= ARTICLE TEMPLATE ============================= */
.article-head { padding: 18rem 0 4rem; }
.article-headings { grid-column: 3 / 11; }          /* centered measure */
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem; margin-bottom: 2.6rem; }
.article-cat { font-family: var(--font-mono); font-size: 1.3rem; font-weight: 500; text-transform: uppercase;
  color: var(--primary); border: 1px solid var(--primary); border-radius: 100px; padding: .5rem 1.4rem; }
.article-date, .article-read { font-family: var(--font-mono); font-size: 1.3rem; color: var(--fg-muted); }
.article-dot { width: .4rem; height: .4rem; border-radius: 50%; background: var(--gray); }
.article-title { font-size: 5.4rem; font-weight: 500; line-height: 1.08; letter-spacing: -.3rem; }
.article-author { display: flex; align-items: center; gap: 1.4rem; margin-top: 3.2rem; }
.article-avatar { width: 5rem; height: 5rem; border-radius: 50%; background: var(--primary); flex: none; overflow: hidden; }
.article-avatar img { width: 100%; height: 100%; object-fit: cover; }
.article-author-name { font-size: 1.6rem; font-weight: 600; }
.article-author-role { font-size: 1.3rem; color: var(--fg-muted); }

.article-cover { grid-column: 2 / 12; aspect-ratio: 16 / 8; background: var(--gray); border-radius: 1.6rem; overflow: hidden; margin: 5rem 0 0; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* prose body — CMS rich text */
.article-body { grid-column: 3 / 11; padding: 7rem 0 9rem; }
.article-body > * + * { margin-top: 2.6rem; }
.article-body p { font-size: 1.9rem; line-height: 1.8; color: var(--neutral-700); }
.article-body h2 { font-size: 3.2rem; font-weight: 500; line-height: 1.2; margin-top: 6rem; }
.article-body h3 { font-size: 2.4rem; font-weight: 500; margin-top: 4rem; }
.article-body ul, .article-body ol { padding-left: 2.4rem; display: flex; flex-direction: column; gap: 1.2rem; }
.article-body li { font-size: 1.9rem; line-height: 1.7; color: var(--neutral-700); }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body img { width: 100%; border-radius: 1.2rem; }
.article-body figure figcaption { margin-top: 1.2rem; font-family: var(--font-mono); font-size: 1.3rem; color: var(--fg-muted); text-align: center; }
.article-body blockquote {
  border-left: 3px solid var(--primary); padding: .4rem 0 .4rem 3rem; margin-left: 0;
  font-size: 2.4rem; line-height: 1.5; font-weight: 500; color: var(--fg);
}
.article-body pre {
  background: var(--dark); color: #e8e8ea; border-radius: 1.2rem; padding: 2.6rem 3rem; overflow-x: auto;
  font-family: var(--font-code); font-size: 1.5rem; line-height: 1.7;
}
.article-body :not(pre) > code { font-family: var(--font-code); font-size: .9em; background: var(--light-gray); padding: .2rem .6rem; border-radius: .4rem; }
.article-stat { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 3.2rem 0; text-align: center; }
.article-stat .n { font-size: 6rem; font-weight: 600; color: var(--primary); line-height: 1; }
.article-stat .l { font-size: 1.6rem; color: var(--fg-muted); margin-top: 1rem; }

/* related + cta */
.related { padding: 9rem 0; border-top: 1px solid var(--border); }
.related-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 5rem; }
.related-head h2 { font-size: 3.6rem; font-weight: 500; margin-top: .8rem; }
.related-grid { row-gap: 5rem; }

.blog-cta { background: var(--primary); color: #fff; text-align: center; padding: 9rem 0; }
.blog-cta h2 { font-size: 4rem; font-weight: 500; line-height: 1.15; }
.blog-cta p { margin-top: 1.8rem; font-size: 1.8rem; color: rgba(255,255,255,.85); }
.blog-cta-actions { margin-top: 3.6rem; display: flex; gap: 1.8rem; justify-content: center; }

/* ============================= PRODUCT DETAIL (device) ============================= */
.product-head { padding: 16rem 0 8rem; }
.breadcrumb { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .8rem; font-family: var(--font-mono); font-size: 1.3rem; color: var(--fg-muted); margin-bottom: 3.5rem; }
@media (min-width: 1200px) and (hover: hover) { .breadcrumb a:hover { color: var(--fg); } }
.breadcrumb span { opacity: .5; }
.product-gallery { grid-column: 1 / 7; }
.product-main-img { aspect-ratio: 4 / 3; background: var(--light-gray); border-radius: 1.6rem; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.product-main-img img { width: 100%; height: 100%; object-fit: cover; }
/* v16.2: luôn chia 4 cột cố định — có 2–3 ảnh thì khung ảnh giữ nguyên kích thước, chừa trống bên phải; >4 ảnh xuống hàng */
.product-thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.4rem; margin-top: 1.6rem; }
.product-thumb { min-width: 0; aspect-ratio: 1; background: var(--light-gray); border: 1px solid var(--border); border-radius: 1rem; overflow: hidden; transition: border-color .25s var(--ease); }
@media (min-width: 1200px) and (hover: hover) { .product-thumb:hover { border-color: var(--fg); } }
.product-info { grid-column: 8 / 13; }
.product-cat { margin-bottom: 1.6rem; }
.product-title { font-size: 4rem; font-weight: 600; line-height: 1.1; letter-spacing: -.2rem; }
.product-lead { margin-top: 2rem; font-size: 1.8rem; line-height: 1.6; color: var(--fg-muted); }
.product-specs { list-style: none; margin: 3rem 0; border-top: 1px solid var(--border); }
.product-specs li { display: flex; justify-content: space-between; gap: 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--border); font-size: 1.5rem; }
.product-specs li span:first-child { color: var(--fg-muted); }
.product-specs li span:last-child { font-weight: 500; text-align: right; }
.product-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 2rem; margin-top: 1rem; }
.product-hotline { font-family: var(--font-mono); font-size: 1.5rem; color: var(--fg); }
.product-hotline strong { color: var(--primary); }

.product-detail { padding: 8rem 0; border-top: 1px solid var(--border); }
.product-detail-body { grid-column: 1 / 8; }
.product-detail-body h2 { font-size: 3rem; font-weight: 500; margin-bottom: 2rem; }
.product-detail-body p { font-size: 1.7rem; line-height: 1.8; color: var(--neutral-700); margin-bottom: 1.6rem; }
.product-spec-table { grid-column: 9 / 13; align-self: start; }
.product-spec-table h3 { font-size: 1.4rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .04em; color: var(--fg-muted); margin-bottom: 1.6rem; }
.product-spec-table table { width: 100%; border-collapse: collapse; }
.product-spec-table td { padding: 1.3rem 0; border-bottom: 1px solid var(--border); font-size: 1.5rem; vertical-align: top; }
.product-spec-table td:first-child { color: var(--fg-muted); width: 45%; }

/* ============================= SOLUTION DETAIL ============================= */
.solution-hero { padding: 18rem 0 7rem; }
.solution-hero .col-9 { grid-column: 1 / 10; }
.solution-hero h1 { font-size: 6.4rem; font-weight: 500; line-height: 1.04; letter-spacing: -.4rem; margin-top: 1.6rem; }
.solution-hero p { margin-top: 2.6rem; max-width: 62rem; font-size: 1.9rem; line-height: 1.6; color: var(--fg-muted); }
.solution-hero .product-actions { margin-top: 4rem; }
.solution-cover { grid-column: 1 / -1; aspect-ratio: 21 / 8; background: var(--gray); border-radius: 1.6rem; overflow: hidden; margin-top: 6rem; }
.solution-cover img { width: 100%; height: 100%; object-fit: cover; }

.solution-features { padding: 9rem 0; }
.solution-features .related-head { margin-bottom: 5rem; }
.feature-card { grid-column: span 4; }
.feature-ico { width: 6rem; height: 6rem; border-radius: 1.4rem; background: var(--light-gray); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 2rem; }
.feature-ico svg { width: 3rem; height: 3rem; }
.feature-card h3 { font-size: 2.2rem; font-weight: 500; margin-bottom: 1rem; }
.feature-card p { font-size: 1.6rem; line-height: 1.7; color: var(--fg-muted); }

/* ============================= MOBILE (< 1200px) ============================= */
@media (max-width: 1199px) {
  .blog-hero { padding: 12rem 0 3rem; }
  .product-head { padding: 12rem 0 4rem; }
  .product-gallery, .product-info, .product-detail-body, .product-spec-table { grid-column: 1 / -1; }
  .product-info { margin-top: 4rem; }
  .product-spec-table { margin-top: 4rem; }
  .product-title { font-size: 3rem; }
  .solution-hero { padding: 12rem 0 4rem; }
  .solution-hero .col-9 { grid-column: 1 / -1; }
  .solution-hero h1 { font-size: 3.6rem; }
  .feature-card { grid-column: 1 / -1; }
  .blog-hero h1 { font-size: 4rem; }
  .article-head { padding: 12rem 0 3rem; }
  .article-headings, .article-body { grid-column: 1 / -1; }
  .article-cover { grid-column: 1 / -1; aspect-ratio: 16/10; }
  .article-title { font-size: 3.4rem; }
  .article-body p, .article-body li { font-size: 1.7rem; }
  .article-body h2 { font-size: 2.6rem; }
  .related-head { flex-direction: column; align-items: flex-start; gap: 2rem; }
  .blog-cta h2 { font-size: 3rem; }
}

/* =====================================================================
   v10 · 29/09/2026 — Lọc Insight theo chủ đề
   ===================================================================== */
.insight-card[hidden], .blog-empty[hidden], .blog-pagination[hidden] { display: none !important; }
.blog-empty { grid-column: 1 / -1; padding: 4rem 0; font-size: 1.6rem; color: var(--fg-muted); }
a.article-cat { text-decoration: none; }

/* =====================================================================
   v13 · 29/09/2026 — Ảnh bìa bài viết dùng chung tỉ lệ với thumbnail
   Thumbnail card (.insight-media) = 4 : 3.4 → ảnh bìa bài viết cùng tỉ lệ.
   Đổi tỉ lệ cả hai cùng lúc: sửa biến --thumb-ratio.
   ===================================================================== */
/* v13.1: biến --thumb-ratio nay khai báo ở css/site.css (trang chủ không tải blog.css) */
.insight-media, .article-cover { aspect-ratio: var(--thumb-ratio); }
@media (max-width: 1199px) { .article-cover { aspect-ratio: var(--thumb-ratio); } }
img.img-missing { visibility: hidden; }   /* chưa có file ảnh → giữ khung nền xám, không hiện icon ảnh vỡ */

/* =====================================================================
   v15 — Bộ ảnh trang chi tiết thiết bị (ảnh nhỏ bấm để đổi ảnh lớn)
   ===================================================================== */
.product-thumbs[data-product-gallery] .product-thumb { padding: 0; cursor: pointer; position: relative; }
.product-thumb > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.product-thumb.is-active { border-color: var(--fg); box-shadow: 0 0 0 1px var(--fg); }

/* ============================= v16 — TRANG NHÓM GIẢI PHÁP =============================
   Hero → Nỗi đau/lời giải → Sơ đồ + giải pháp con (bấm điểm xem tại chỗ) → Kết quả → Triển khai → FAQ → Logo KH → CTA
   Sơ đồ + bảng chi tiết chỉ ở ≥1200px; nhỏ hơn: danh sách thu gọn (accordion). Hover chỉ ≥1200px. */
.sol-hero { padding-bottom: 9rem; }
.sol-hero .sol-lead { font-size: 2.2rem; line-height: 1.55; color: var(--fg); max-width: 76rem; }
.sol-highlights { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3.2rem; }
.sol-highlights li { font-size: 1.5rem; font-weight: 500; padding: .9rem 1.6rem .9rem 1.4rem; border-radius: 99rem; background: var(--light-gray); display: inline-flex; align-items: center; gap: .9rem; }
.sol-highlights li::before { content: ''; width: .8rem; height: .8rem; border-radius: 50%; background: var(--primary); }

.sol-sec { padding: 11rem 0; border-top: 1px solid var(--border); }
.sol-head { margin-bottom: 6rem; }
.sol-head > div { grid-column: 1 / 9; }
.sol-head h2 { font-size: 4.4rem; font-weight: 500; line-height: 1.12; letter-spacing: -.15rem; margin-top: 1.2rem; }
.sol-head-desc { margin-top: 1.6rem; font-size: 1.8rem; color: var(--fg-muted); }
.sol-kicker { display: block; font-family: var(--font-mono); font-size: 1.2rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-muted); margin-bottom: .8rem; }

/* 2 · nỗi đau → lời giải */
.sol-pain-list { grid-column: 1 / -1; list-style: none; border-top: 1px solid var(--border); }
.sol-pain { display: grid; grid-template-columns: 6rem 1fr 6rem 1fr; gap: 0 3rem; align-items: start; padding: 3.2rem 0; border-bottom: 1px solid var(--border); }
.sol-pain-no { font-family: var(--font-mono); font-size: 1.4rem; color: var(--fg-muted); padding-top: .4rem; }
.sol-pain p { font-size: 2rem; line-height: 1.5; }
.sol-pain-q p { color: var(--fg-muted); }
.sol-pain-a p { color: var(--fg); font-weight: 500; }
.sol-pain-a .sol-kicker { color: var(--primary); }
.sol-pain-arrow { font-size: 2.4rem; color: var(--primary); padding-top: 2rem; text-align: center; }

/* 3 · sơ đồ + bảng chi tiết */
.sol-mapsec { background: var(--light-gray); border-top: 0; }
.sol-map-wrap { align-items: start; }
.sol-map-col { grid-column: 1 / 8; position: sticky; top: 12rem; }
.sol-panel { grid-column: 8 / 13; }
.sol-map { position: relative; aspect-ratio: 700 / 600; }
.sol-map-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.sol-map-ring { fill: none; stroke: var(--neutral-200); stroke-width: 1; stroke-dasharray: 3 5; }
.sol-map-spoke { stroke: var(--neutral-200); stroke-width: 1; transition: stroke .3s var(--ease); }
.sol-map-spoke.is-cur { stroke: var(--primary); stroke-width: 1.6; }
.sol-map-spoke.is-lit { stroke: var(--neutral-600); stroke-dasharray: 4 4; }
.sol-map-branch { fill: none; stroke: var(--neutral-300); stroke-width: 1.2; transition: stroke .3s var(--ease), stroke-width .3s var(--ease); }
.sol-map-branch.is-on { stroke: var(--primary); stroke-width: 2; }
.sol-map-link { fill: none; stroke: var(--primary); stroke-width: 1.4; stroke-dasharray: 5 5; opacity: 0; transition: opacity .3s var(--ease); }
.sol-map-link.is-on { opacity: .8; }
.sol-map-hub, .sol-map-cur, .sol-map-group, .sol-map-sub { position: absolute; transform: translate(-50%, -50%); }
.sol-map-hub { width: 15%; aspect-ratio: 1; border-radius: 50%; background: var(--dark); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; line-height: 1.2; box-shadow: 0 0 0 1.2rem rgba(15,27,45,.06); }
.sol-map-hub span, .sol-map-hub small { font-size: 1.1rem; opacity: .7; }
.sol-map-hub b { font-size: 1.5rem; font-weight: 600; margin: .3rem 0; }
.sol-map-cur { display: flex; flex-direction: column; align-items: center; gap: 1rem; pointer-events: none; }
.sol-map-cur .dot { width: 2.8rem; height: 2.8rem; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 .8rem rgba(232,38,45,.15); }
.sol-map-cur .lbl { position: absolute; top: 100%; right: 0; margin-top: 1.2rem; white-space: nowrap; text-align: right; font-size: 1.4rem; font-weight: 600; color: var(--primary); }
.sol-map-group { display: flex; flex-direction: column; align-items: center; background: none; border: 0; padding: 0; cursor: pointer; font: inherit; color: var(--fg-muted); }
.sol-map-group .dot { width: 1.6rem; height: 1.6rem; border-radius: 50%; background: #fff; border: 2px solid var(--neutral-300); transition: border-color .25s var(--ease), background .25s var(--ease); }
.sol-map-group .lbl { position: absolute; top: 100%; margin-top: .8rem; width: 16rem; text-align: center; font-size: 1.25rem; line-height: 1.3; }
.sol-map-group.is-lit .dot { border-color: var(--neutral-700); background: var(--neutral-700); }
.sol-map-group.is-lit .lbl { color: var(--fg); }
.sol-map-group.is-peek .dot { border-color: var(--fg); background: var(--fg); }
.sol-map-group.is-peek .lbl { color: var(--fg); font-weight: 600; }
.sol-map-sub { display: inline-flex; align-items: center; gap: .8rem; padding: .9rem 1.5rem .9rem 1rem; border-radius: 99rem; border: 1px solid var(--neutral-200); background: #fff; font: inherit; font-size: 1.45rem; font-weight: 600; color: var(--fg); white-space: nowrap; cursor: pointer; box-shadow: 0 .4rem 1.6rem rgba(15,27,45,.06); transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.sol-map-sub .no { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600; min-width: 2.6rem; height: 2.6rem; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--light-gray); color: var(--fg-muted); }
.sol-map-sub.is-on { background: var(--primary); border-color: var(--primary); color: #fff; }
.sol-map-sub.is-on .no { background: rgba(255,255,255,.2); color: #fff; }
.sol-map-sub.is-linked { border-color: var(--primary); }
@media (min-width: 1200px) and (hover: hover) {
  .sol-map-sub:not(.is-on):hover { border-color: var(--fg); }
  .sol-map-group:hover .dot { border-color: var(--fg); }
  .sol-map-group:hover .lbl { color: var(--fg); }
  .sol-faq-item summary:hover, .sol-more-box summary:hover { color: var(--primary); }
  .sol-peek-back:hover { color: var(--fg); }
}
.sol-sub, .sol-peek { background: #fff; border-radius: 1.6rem; }
.sol-sub-head { display: none; }
.sol-sub-inner, .sol-peek { padding: 4rem; }
.sol-sub-kicker { font-family: var(--font-mono); font-size: 1.2rem; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); font-weight: 600; }
.sol-sub h3, .sol-peek h3 { font-size: 3.4rem; font-weight: 500; letter-spacing: -.1rem; margin: 1rem 0 1.4rem; }
.sol-sub-short { font-size: 1.8rem; line-height: 1.55; color: var(--fg); margin-bottom: 3rem; }
.sol-sub-does { list-style: none; margin-bottom: 2.6rem; }
.sol-sub-does li { position: relative; padding: 1.1rem 0 1.1rem 3rem; border-top: 1px solid var(--border); font-size: 1.6rem; line-height: 1.5; }
.sol-sub-does li::before { content: ''; position: absolute; left: .4rem; top: 1.75rem; width: 1rem; height: .6rem; border-left: 2px solid var(--primary); border-bottom: 2px solid var(--primary); transform: rotate(-45deg); }
.sol-sub-users { font-size: 1.6rem; margin-bottom: 2.6rem; }
.sol-sub-links { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2.6rem; }
.sol-sub-links span { font-size: 1.35rem; padding: .6rem 1.2rem; border-radius: 99rem; background: var(--light-gray); }
.sol-sub-img { border-radius: 1.2rem; overflow: hidden; background: var(--light-gray); aspect-ratio: 16 / 10; }
.sol-sub-img img { width: 100%; height: 100%; object-fit: cover; }
.sol-peek-actions { display: flex; flex-wrap: wrap; gap: 1.6rem; align-items: center; margin-top: 1rem; }
.sol-peek-back { background: none; border: 0; padding: 0; font: inherit; font-size: 1.5rem; color: var(--fg-muted); cursor: pointer; }
@media (min-width: 1200px) {
  .sol-sub:not(.is-open) { display: none; }
  .sol-sub.is-open, .sol-peek:not([hidden]) { animation: solIn .45s var(--ease); }
  .sol-panel.is-peeking .sol-sub { display: none; }
}
@keyframes solIn { from { opacity: 0; transform: translateY(1.2rem); } to { opacity: 1; transform: none; } }

/* 4 · kết quả */
.sol-stats { row-gap: 4rem; }
.sol-stat { grid-column: span 4; border-top: 2px solid var(--fg); padding-top: 2.4rem; }
.sol-stat-num { font-size: 7.2rem; font-weight: 500; letter-spacing: -.3rem; line-height: 1; }
.sol-stat p { margin-top: 1.4rem; font-size: 1.7rem; line-height: 1.5; color: var(--fg-muted); max-width: 36rem; }
.sol-quote { grid-column: 1 / 10; margin-top: 8rem; }
.sol-quote blockquote { font-size: 3rem; line-height: 1.4; font-weight: 400; letter-spacing: -.05rem; }
.sol-quote figcaption { margin-top: 2.4rem; font-size: 1.6rem; color: var(--fg-muted); display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; align-items: center; }
.sol-quote figcaption span { color: var(--fg); font-weight: 600; }
.sol-quote figcaption a { color: var(--primary); font-weight: 500; }

/* 5 · triển khai */
.sol-step-list { grid-column: 1 / -1; list-style: none; display: grid; grid-template-columns: repeat(var(--n, 4), 1fr); gap: 4rem; }
.sol-step { border-top: 1px solid var(--fg); padding-top: 2.4rem; }
.sol-step-no { display: inline-flex; align-items: center; justify-content: center; width: 4rem; height: 4rem; border-radius: 50%; background: var(--primary); color: #fff; font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600; }
.sol-step h3 { font-size: 2rem; font-weight: 600; margin: 2rem 0 1.2rem; line-height: 1.35; }
.sol-step p { font-size: 1.6rem; line-height: 1.6; color: var(--fg-muted); }

/* 6 · FAQ + tìm hiểu thêm */
.sol-faq-head { grid-column: 1 / 5; }
.sol-faq-head h2 { font-size: 4.4rem; font-weight: 500; margin-top: 1.2rem; letter-spacing: -.15rem; }
.sol-faq-list { grid-column: 6 / 13; border-top: 1px solid var(--border); }
.sol-faq-item { border-bottom: 1px solid var(--border); }
.sol-faq-item summary, .sol-more-box summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 2.6rem 0; font-size: 2rem; font-weight: 500; transition: color .2s var(--ease); }
.sol-faq-item summary::-webkit-details-marker, .sol-more-box summary::-webkit-details-marker { display: none; }
.sol-faq-item summary::after, .sol-more-box summary::after { content: '+'; flex: none; font-size: 2.6rem; font-weight: 300; line-height: 1; color: var(--fg-muted); }
.sol-faq-item[open] summary::after, .sol-more-box[open] summary::after { content: '−'; }
.sol-faq-item p { padding: 0 6rem 2.8rem 0; font-size: 1.7rem; line-height: 1.7; color: var(--fg-muted); }
.sol-more { padding: 0 0 11rem; border-top: 0; }
.sol-more-box { grid-column: 1 / -1; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sol-more-box .article-body { padding: 1rem 0 5rem; max-width: 86rem; }

/* 7 · logo khách hàng (dùng lại .clients-marquee / .client-box của trang chủ) */
.sol-clients { padding-bottom: 12rem; }
.sol-clients .clients-marquee { margin: 0; }

@media (max-width: 1199px) {
  .sol-sec { padding: 7rem 0; }
  .sol-head { margin-bottom: 3.6rem; }
  .sol-head > div, .sol-faq-head, .sol-faq-list, .sol-quote { grid-column: 1 / -1; }
  .sol-head h2, .sol-faq-head h2 { font-size: 3rem; }
  .sol-hero .sol-lead { font-size: 1.8rem; }
  .sol-pain { grid-template-columns: 1fr; gap: 1.4rem; padding: 2.4rem 0; }
  .sol-pain-arrow { display: none; }
  .sol-pain p { font-size: 1.7rem; }
  .sol-map-col { display: none; }
  .sol-panel { grid-column: 1 / -1; display: grid; gap: 1.2rem; }
  .sol-peek { display: none; }
  .sol-sub-head { display: flex; width: 100%; align-items: center; gap: 1.4rem; padding: 2rem 2.2rem; background: none; border: 0; font: inherit; text-align: left; cursor: pointer; color: var(--fg); }
  .sol-sub-head .no { font-family: var(--font-mono); font-size: 1.3rem; color: var(--primary); font-weight: 600; }
  .sol-sub-head .nm { flex: 1; font-size: 1.9rem; font-weight: 600; }
  .sol-sub-head .pm::after { content: '+'; font-size: 2.4rem; font-weight: 300; }
  .sol-sub.is-open .sol-sub-head .pm::after { content: '−'; }
  .sol-sub-body { display: none; }
  .sol-sub.is-open .sol-sub-body { display: block; }
  .sol-sub-inner { padding: 0 2.2rem 2.6rem; }
  .sol-sub-kicker, .sol-sub-inner > h3 { display: none; }
  .sol-sub-short { font-size: 1.7rem; margin-bottom: 2.2rem; }
  .sol-stat { grid-column: 1 / -1; }
  .sol-stat-num { font-size: 5.2rem; }
  .sol-quote { margin-top: 5rem; }
  .sol-quote blockquote { font-size: 2.2rem; }
  .sol-step-list { grid-template-columns: 1fr; gap: 3rem; }
  .sol-faq-list { margin-top: 3rem; }
  .sol-faq-item summary, .sol-more-box summary { font-size: 1.8rem; padding: 2.2rem 0; }
  .sol-faq-item p { padding-right: 0; font-size: 1.6rem; }
  .sol-more { padding-bottom: 7rem; }
}