/* ============================================================
   CYGNAL BLOG — blog.css
   ============================================================ */

/* ── Blog header override ── */
.blog-nav {
  gap: 28px;
}
.blog-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: 0.01em;
}
.blog-nav a:hover,
.blog-nav a.active { color: var(--red); }

.blog-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-mid) !important;
  font-size: 0.8rem !important;
  font-weight: 500 !important;
  border-left: 1px solid var(--border);
  padding-left: 20px;
  margin-left: 4px;
}
.blog-nav-back:hover { color: var(--red) !important; }

/* ── Announcement slideshow ── */
.blog-hero-section {
  margin-top: 72px;
  background: var(--bg-alt);
}

.blog-announce-slider {
  position: relative;
  width: 100%;
  height: 420px;
  min-height: 280px;
  max-height: 440px;
  overflow: hidden;
  background: #111;
}

.bas-slides { width: 100%; height: 100%; position: relative; }

.bas-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.bas-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.bas-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Gradient overlay — dark on left where text sits */
.bas-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.38) 55%, transparent 100%);
  display: flex;
  align-items: center;
  padding: 0 6%;
}

.bas-content {
  max-width: 520px;
  color: #fff;
}

.bas-tag {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.bas-title {
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.bas-desc {
  font-size: clamp(0.82rem, 1.2vw, 0.98rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
  margin-bottom: 20px;
}

.bas-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s, gap 0.2s;
}
.bas-btn:hover { background: #821518; gap: 12px; }

/* Arrow buttons */
.bas-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  border: none;
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s;
}
.bas-arrow:hover { background: rgba(165,30,35,0.85); }
.bas-prev { left: 20px; }
.bas-next { right: 20px; }

/* Pill dots */
.bas-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}
.bas-dot {
  width: 24px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: background 0.2s, width 0.25s;
  padding: 0;
}
.bas-dot.active {
  background: #fff;
  width: 40px;
}

/* ── Cluster sections ── */
.blog-cluster-section {
  padding: 72px 0;
  background: var(--bg);
  transition: background 0.3s;
}
.blog-cluster-alt {
  background: var(--bg-alt);
}

.blog-cluster-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 16px;
}
.blog-cluster-header .eyebrow {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.blog-cluster-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.blog-cluster-sub {
  font-size: 0.92rem;
  color: var(--text-mid);
  margin: 0;
  max-width: 520px;
}
.blog-see-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: gap 0.2s;
}
.blog-see-all:hover { gap: 10px; }

/* ── Blog card grid ── */
.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 5-card cluster — last card spans full width */
.blog-card-grid .blog-card:nth-child(4):last-child,
.blog-card-grid .blog-card:nth-child(5):last-child {
  grid-column: span 1;
}
/* When there are exactly 5 cards, last one takes remaining space nicely */
.blog-card-grid:has(.blog-card:nth-child(5)) .blog-card:nth-child(4),
.blog-card-grid:has(.blog-card:nth-child(5)) .blog-card:nth-child(5) {
  grid-column: span 1;
}

/* ── Blog card ── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.blog-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
  transform: translateY(-3px);
  border-color: rgba(165,30,35,0.25);
}

.blog-card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #e8e5e0;
  flex-shrink: 0;
}
.blog-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-card-img-wrap img { transform: scale(1.04); }

/* Placeholder state for coming-soon cards */
.blog-card-img-placeholder {
  background: linear-gradient(135deg, #f5f3f0 0%, #ece9e4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-theme="dark"] .blog-card-img-placeholder { background: linear-gradient(135deg, #1e1e1e 0%, #2a2a2a 100%); }

.blog-coming-soon {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
  opacity: 0.5;
}

/* Category tag on image */
.blog-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.blog-card-tag-red {
  background: var(--red);
}

/* Card body */
.blog-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.blog-card-title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  transition: gap 0.2s;
  margin-top: auto;
}
.blog-card-link:hover { gap: 10px; }
.blog-card-link-disabled {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-mid);
  opacity: 0.45;
  cursor: default;
  margin-top: auto;
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .blog-card-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-announce-slider { aspect-ratio: 16 / 7; min-height: 200px; }
  .bas-title { font-size: 1.1rem; }
  .bas-desc { display: none; }
  .blog-cluster-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .blog-card-grid { grid-template-columns: 1fr; }
  .blog-nav { gap: 16px; overflow-x: auto; }
  .blog-nav-back { display: none; }
  .bas-overlay { padding: 0 20px; }
  .bas-title { font-size: 1rem; }
  .bas-btn { font-size: 0.75rem; padding: 8px 16px; }
  .bas-arrow { width: 32px; height: 32px; font-size: 0.75rem; }
}

/* ── Pillar page hero ── */
.blog-pillar-hero {
  margin-top: 72px;
  padding: 56px 0 48px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.blog-pillar-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.03em;
  margin: 8px 0 12px;
}
.blog-pillar-sub {
  font-size: 1rem;
  color: var(--text-mid);
  max-width: 540px;
  line-height: 1.7;
  margin: 0;
}

/* ── Announcements page ── */
.announce-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.announce-card {
  display: grid;
  grid-template-columns: 1fr 260px;
  grid-template-rows: auto 1fr;
  gap: 0 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
  padding: 28px;
  align-items: start;
}
.announce-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.09);
  border-color: rgba(165,30,35,0.25);
  transform: translateY(-2px);
}

.announce-meta {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.announce-tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
}
.announce-tag-update     { background: #2563eb; }
.announce-tag-advisory   { background: #d97706; }
.announce-tag-partnership { background: var(--red); }
.announce-tag-expansion  { background: #059669; }
.announce-tag-general    { background: #555; }

.announce-date {
  font-size: 0.78rem;
  color: var(--text-mid);
  font-weight: 500;
}

.announce-body {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.announce-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin: 0;
}

.announce-excerpt {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin: 0;
}

.announce-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
  margin-top: 6px;
  transition: gap 0.2s;
}
.announce-read-more:hover { gap: 10px; }

.announce-img-wrap {
  grid-column: 2;
  grid-row: 1 / 3;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  align-self: center;
}
.announce-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.announce-card:hover .announce-img-wrap img { transform: scale(1.04); }

@media (max-width: 640px) {
  .announce-card {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 0;
  }
  .announce-img-wrap {
    grid-column: 1;
    grid-row: auto;
    margin-top: 16px;
    aspect-ratio: 16 / 7;
  }
}

/* ── Blog article page ── */
.blog-article-hero {
  margin-top: 72px;
  padding: 48px 0 40px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.blog-article-title {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 8px 0 16px;
}

/* ============================================================
   BLOG ARTICLE LAYOUT — sticky TOC + callout boxes
   ============================================================ */

/* Article wrapper — two-column: TOC left, content right */
.article-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 48px 80px;
}

/* Sticky TOC */
.article-toc {
  position: sticky;
  top: 88px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.article-toc h4 {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin: 0 0 14px;
}
.article-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.article-toc li { display: block; }
.article-toc a {
  display: block;
  font-size: 0.8rem;
  color: var(--text-mid);
  text-decoration: none;
  padding: 5px 8px;
  border-radius: 6px;
  line-height: 1.4;
  transition: background 0.15s, color 0.15s;
}
.article-toc a:hover { background: var(--bg-alt); color: var(--text); }
.article-toc a.toc-active { background: rgba(165,30,35,0.08); color: var(--red); font-weight: 600; }

/* Article body */
.article-body { min-width: 0; }
.gb { max-width: 100%; padding: 0; }
.gb h2 { font-size: 1.25rem; font-weight: 700; margin: 40px 0 14px; color: var(--text); }
.gb h3 { font-size: 1.05rem; font-weight: 700; margin: 28px 0 10px; color: var(--text); }
.gb p  { font-size: 0.97rem; color: var(--text-mid); line-height: 1.85; margin-bottom: 16px; }
.gb ul, .gb ol { margin: 0 0 18px; padding-left: 22px; color: var(--text-mid); line-height: 1.8; }
.gb li { font-size: 0.97rem; margin-bottom: 6px; display: list-item; }
.gb strong { color: var(--text); }
.gb em { font-style: italic; }
.gb a  { color: var(--red); }
.gb hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.gb .anchor-target { scroll-margin-top: 92px; }
.gb .page-meta { font-size: 0.75rem; color: #999; margin-bottom: 28px; }

/* Featured image */
.featured-img-wrap { width: 100%; margin-bottom: 36px; border-radius: 12px; overflow: hidden; }
.featured-img { width: 100%; height: 360px; object-fit: cover; display: block; }

/* ── Callout boxes ── */
.callout {
  border-radius: 10px;
  padding: 20px 24px;
  margin: 24px 0;
  border-left: 4px solid;
}
.callout-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.callout p, .callout li { font-size: 0.92rem; margin-bottom: 6px; }
.callout ul { margin: 6px 0 0; padding-left: 18px; }

.callout-info   { background: rgba(37,99,235,0.07);  border-color: #2563eb; }
.callout-info   .callout-title { color: #2563eb; }
.callout-red    { background: rgba(165,30,35,0.07);  border-color: var(--red); }
.callout-red    .callout-title { color: var(--red); }
.callout-grey   { background: var(--bg-alt);          border-color: var(--border); }
.callout-grey   .callout-title { color: var(--text-mid); }
.callout-green  { background: rgba(5,150,105,0.07);  border-color: #059669; }
.callout-green  .callout-title { color: #059669; }

/* ── Comparison / highlight boxes ── */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 24px 0;
}
.compare-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}
.compare-box h4 {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.compare-box ul { margin: 0; padding-left: 16px; }
.compare-box li { font-size: 0.88rem; color: var(--text-mid); margin-bottom: 5px; }
.compare-box-red   { border-color: rgba(165,30,35,0.3); }
.compare-box-red h4 { color: var(--red); }
.compare-box-dark  { border-color: #555; }
.compare-box-dark h4 { color: var(--text); }

/* ── Quick-answer / stat box ── */
.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 24px 0;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.stat-box-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  line-height: 1;
}
.stat-box-body p { margin: 0; font-size: 0.92rem; color: var(--text-mid); }
.stat-box-body strong { color: var(--text); }

/* ── Checklist box ── */
.checklist-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 24px 0;
}
.checklist-box h4 {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin: 0 0 12px;
}
.checklist-box ul { list-style: none; margin: 0; padding: 0; }
.checklist-box li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-mid);
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.checklist-box li:last-child { border-bottom: none; }
.checklist-box li::before {
  content: "✓";
  color: var(--red);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Speed explainer pair ── */
.speed-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}
.speed-pair-item {
  background: var(--bg-alt);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.88rem;
}
.speed-pair-item strong { display: block; color: var(--text); margin-bottom: 4px; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }

/* ── Infographic placeholder ── */
.infographic-placeholder {
  margin: 28px 0;
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: var(--bg-alt);
  padding: 40px 24px;
  text-align: center;
}
.infographic-placeholder p { margin: 0 0 4px; font-size: 0.88rem; color: var(--text-mid); }
.infographic-placeholder .infographic-label { font-weight: 700; color: var(--text); font-size: 0.95rem; }
.infographic-placeholder .infographic-note  { font-size: 0.75rem; color: #bbb; font-style: italic; }

/* ── TOC scroll spy JS hook ── */
.article-toc { scroll-behavior: smooth; }

/* ── Back link ── */
.article-back {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  background: var(--bg-alt);
  margin-top: 0;
}
.article-back a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--red);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
    padding: 36px 20px 60px;
    gap: 0;
  }
  .article-toc {
    position: static;
    max-height: none;
    margin-bottom: 32px;
  }
  .compare-grid { grid-template-columns: 1fr; }
  .speed-pair   { grid-template-columns: 1fr; }
  .featured-img { height: 220px; }
}

/* ============================================================
   MOBILE ARTICLE — comprehensive responsive fixes
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 200px 1fr;
    gap: 32px;
    padding: 40px 32px 60px;
  }
}

/* Mobile — stack TOC above content, make everything readable */
@media (max-width: 768px) {
  /* Article layout — single column */
  .article-layout {
    display: block;
    padding: 24px 16px 48px;
  }

  /* TOC becomes a collapsible summary on mobile */
  .article-toc {
    position: static;
    max-height: none;
    margin-bottom: 28px;
    border-radius: 10px;
    padding: 14px 16px;
  }
  .article-toc h4 { margin-bottom: 10px; }
  .article-toc a { font-size: 0.85rem; padding: 6px 8px; }

  /* Article body */
  .article-body { min-width: 0; }
  .gb h2 { font-size: 1.15rem; margin: 28px 0 12px; }
  .gb h3 { font-size: 1rem; margin: 20px 0 8px; }
  .gb p, .gb li { font-size: 0.95rem; line-height: 1.8; }

  /* Featured image */
  .featured-img { height: 200px; }
  .featured-img-wrap { margin-bottom: 24px; border-radius: 8px; }

  /* Compare grid — stack vertically */
  .compare-grid { grid-template-columns: 1fr; gap: 10px; }
  .speed-pair    { grid-template-columns: 1fr; }

  /* Callout boxes */
  .callout { padding: 14px 16px; }
  .callout p, .callout li { font-size: 0.88rem; }

  /* Checklist */
  .checklist-box { padding: 14px 16px; }
  .checklist-box li { font-size: 0.88rem; }

  /* Stat box */
  .stat-box { gap: 12px; padding: 14px 16px; }
  .stat-box-icon { font-size: 1.4rem; }

  /* Blog article hero */
  .blog-article-hero { padding: 32px 0 28px; margin-top: 64px; }
  .blog-article-title { font-size: clamp(1.3rem, 5vw, 1.8rem); }

  /* Blog hub slideshow */
  .blog-announce-slider { height: 280px; }
  .bas-title { font-size: 1rem; }
  .bas-desc  { display: none; }
  .bas-content { max-width: 85%; }
  .bas-btn { font-size: 0.75rem; padding: 7px 14px; }

  /* Cluster sections */
  .blog-cluster-section { padding: 48px 0; }
  .blog-cluster-title { font-size: 1.3rem; }
  .blog-cluster-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .blog-card-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Announcements */
  .announce-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .announce-img-wrap {
    grid-column: 1;
    grid-row: auto;
    margin-top: 14px;
    aspect-ratio: 16 / 7;
  }

  /* Back link */
  .article-back { padding: 24px 16px; }
}

/* Small phones */
@media (max-width: 480px) {
  .article-layout { padding: 16px 12px 40px; }
  .blog-article-title { font-size: 1.25rem; }
  .article-toc { padding: 12px 14px; }
  .article-toc a { font-size: 0.8rem; }
  .compare-box { padding: 14px 16px; }
  .compare-box li { font-size: 0.83rem; }
  .callout { padding: 12px 14px; }
  .bas-arrow { width: 30px; height: 30px; font-size: 0.7rem; }
  .bas-prev { left: 8px; }
  .bas-next { right: 8px; }
  .blog-announce-slider { height: 220px; }
  .blog-card-img-wrap { aspect-ratio: 16/8; }
}