.blog-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 26%, rgba(22, 118, 80, 0.18), transparent 36%),
    radial-gradient(circle at 84% 8%, rgba(255, 154, 84, 0.2), transparent 32%),
    rgba(255, 255, 255, 0.88);
}

.blog-hero::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(48, 152, 103, 0.24), rgba(48, 152, 103, 0));
  pointer-events: none;
}

.blog-layout {
  margin-top: 16px;
  display: grid;
  gap: 12px;
  grid-template-columns: 320px minmax(0, 1fr);
  align-items: start;
}

.blog-sidebar {
  padding: 14px;
  display: grid;
  gap: 12px;
  position: sticky;
  top: 14px;
}

.sidebar-head h2 {
  margin: 0;
}

.sidebar-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.post-btn {
  width: 100%;
  border: 1px solid rgba(24, 36, 63, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
  padding: 10px;
  text-align: left;
  display: grid;
  gap: 6px;
  cursor: pointer;
}

.post-btn:hover {
  border-color: rgba(31, 113, 221, 0.42);
  transform: translateY(-1px);
}

.post-btn.active {
  border-color: rgba(31, 113, 221, 0.62);
  box-shadow: 0 8px 20px rgba(31, 113, 221, 0.12);
}

.post-btn time {
  color: #1b4f93;
  font-size: 0.78rem;
  font-weight: 700;
}

.post-btn strong {
  font-size: 0.96rem;
}

.post-btn p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.maintain-box {
  border: 1px solid rgba(24, 36, 63, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  padding: 12px;
}

.maintain-box h3 {
  margin: 0 0 8px;
  font-size: 0.96rem;
}

.maintain-box code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.78rem;
  color: #2d4771;
}

.blog-detail {
  overflow: hidden;
  padding: 0;
}

.post-shell {
  display: grid;
}

.post-cover {
  margin: 0;
  border-bottom: 1px solid rgba(24, 36, 63, 0.11);
  background: rgba(255, 255, 255, 0.8);
}

.post-cover img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  object-position: center;
}

.post-body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.post-kicker {
  margin: 0;
  color: #245786;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.77rem;
  text-transform: uppercase;
}

.post-title {
  margin: 0;
  font-family: "ZCOOL KuaiLe", "Kaiti SC", cursive;
  font-size: clamp(1.55rem, 1.4vw + 1rem, 2.4rem);
  color: #16386b;
}

.post-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.meta-chip {
  border-radius: 999px;
  border: 1px solid rgba(24, 36, 63, 0.15);
  background: rgba(255, 255, 255, 0.8);
  padding: 5px 10px;
  font-size: 0.8rem;
  color: #2f4769;
}

.tag-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-chip {
  border-radius: 999px;
  border: 1px solid rgba(44, 142, 98, 0.28);
  background: rgba(44, 142, 98, 0.13);
  color: #1c6648;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
}

.post-text {
  display: grid;
  gap: 10px;
}

.post-text p {
  margin: 0;
  color: #2e3f58;
  line-height: 1.82;
}

.post-gallery {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-card {
  border: 1px solid rgba(24, 36, 63, 0.12);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.8);
}

.gallery-card a {
  text-decoration: none;
  color: inherit;
}

.gallery-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}

.gallery-card figcaption {
  margin: 0;
  padding: 8px 10px;
  color: #4e5f78;
  font-size: 0.8rem;
}

.loading-tip,
.empty-tip,
.error-tip {
  margin: 0;
  padding: 24px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .blog-sidebar {
    position: static;
  }
}

@media (max-width: 700px) {
  .post-body {
    padding: 12px;
  }

  .post-gallery {
    grid-template-columns: 1fr;
  }
}