/* Blog article page */

.blog-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.blog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.blog-back:hover {
  background: var(--blue-soft);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-1px);
}

.blog-brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-2);
}

.blog-article {
  padding: 1.75rem 1.6rem 1.9rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.blog-kicker {
  color: var(--blue-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.blog-article h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.blog-meta {
  color: var(--text-3);
  font-size: 0.84rem;
  margin-bottom: 1.15rem;
}

.blog-lead {
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 1.15rem;
}

.blog-note {
  margin: 1.15rem 0 1.5rem;
  padding: 0.95rem 1.05rem;
  background: #fff7ed;
  border: 1px solid #fdba74;
  border-radius: 12px;
}
.blog-note strong {
  display: block;
  color: #9a3412;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
.blog-note p {
  color: #7c2d12;
  font-size: 0.88rem;
  line-height: 1.6;
}

.blog-block,
.blog-faq {
  margin-bottom: 1.45rem;
  padding-top: 0.35rem;
}

.blog-article h2 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: 0.65rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.blog-block h2:first-child,
.blog-faq:first-of-type h2 {
  border-top: 0;
  padding-top: 0;
}

.blog-article p {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 0.65rem;
}

.blog-article ul,
.blog-article ol {
  display: grid;
  gap: 0.4rem;
  margin: 0.35rem 0 0.75rem;
  padding-left: 1.25rem;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.65;
}
.blog-article ul {
  list-style: disc;
}
.blog-article ol {
  list-style: decimal;
}

.blog-article code {
  padding: 0.1rem 0.35rem;
  color: var(--blue-deep);
  background: var(--blue-soft);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.82em;
}

.blog-tip {
  margin-bottom: 0.85rem !important;
  padding: 0.75rem 0.9rem;
  background: rgba(59, 130, 246, 0.08);
  border-left: 3px solid var(--blue);
  border-radius: 0 10px 10px 0;
}

.blog-table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.blog-table th,
.blog-table td {
  padding: 0.65rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.blog-table th {
  color: var(--text-3);
  background: rgba(15, 23, 42, 0.03);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.blog-table tr:last-child td { border-bottom: 0; }
.blog-table td { color: var(--text-2); }

.blog-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}
.blog-footer__note {
  color: var(--text-3);
  font-size: 0.8rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.photo-slot {
  display: grid;
  place-items: center;
  min-height: 160px;
  color: var(--text-3);
  background: linear-gradient(135deg, #e8eefc, #f3f0ff);
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.photo-slot--wide {
  grid-column: 1 / -1;
  min-height: 140px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}
.gallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  background: linear-gradient(135deg, #e8eefc, #f3f0ff);
  border: 1px solid var(--line);
}
.gallery__item--wide {
  grid-column: 1 / -1;
}
.gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  transition: transform 0.35s var(--ease, cubic-bezier(0.16, 1, 0.3, 1));
}
.gallery__item:hover img {
  transform: scale(1.02);
}

@media (max-width: 640px) {
  .photo-grid { grid-template-columns: 1fr; }
  .blog-article {
    padding: 1.25rem 1rem 1.4rem;
  }
  .blog-shell {
    width: min(100% - 1.25rem, 760px);
  }
}