.blog-hero {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
}

.blog-hero-sub {
  margin-top: 0.75rem;
  max-width: 640px;
  font-size: 1.05rem;
}

.tag-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-pill {
  border: var(--stroke);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.tag-pill.on {
  background: var(--signal);
  color: var(--panel);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .post-grid {
    grid-template-columns: 1fr;
  }
}

.post-card {
  border: var(--stroke);
  background: var(--panel);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 0;
}

.post-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.post-date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.post-tag {
  border: var(--stroke);
  background: var(--panel-dim);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  white-space: nowrap;
}

.post-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.35;
}

.post-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.post-card h3 a:hover {
  color: var(--signal-deep);
}

.post-sum {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
  flex: 1;
}

.post-read {
  font-size: 0.85rem;
  color: var(--signal-deep);
  text-decoration: none;
}

/* ---- 文章页 ---- */

.crumb {
  margin-top: 1.4rem;
  padding-top: 0.2rem;
  display: flex;
  list-style: none;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.crumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.4rem;
  color: var(--text-dim);
}

.crumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.crumb a:hover {
  color: var(--signal-deep);
}

.crumb-cur {
  color: var(--text);
  font-weight: 600;
}

.post-hero {
  padding-top: 1.6rem;
}

.post-hero-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.post-hero-meta .post-tag {
  background: var(--signal);
  color: var(--panel);
  border-color: var(--ink);
}

.post-hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
}

.post-hero-sum {
  max-width: 720px;
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

.post-body {
  max-width: 760px;
}

.post-body h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-top: 2.4rem;
  margin-bottom: 0.9rem;
  border-bottom: var(--stroke);
  padding-bottom: 0.5rem;
}

.post-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
}

.post-body p {
  line-height: 1.85;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.post-body ul,
.post-body ol {
  margin: 0 0 1.2rem 1.4rem;
  line-height: 1.8;
}

.post-body li {
  margin-bottom: 0.4rem;
}

.post-body blockquote {
  border-left: 6px solid var(--signal);
  padding: 0.6rem 1rem;
  background: var(--panel-dim);
  margin: 1.4rem 0;
  color: var(--text-dim);
}

.post-body pre {
  background: var(--ink);
  color: var(--signal);
  font-family: var(--font-mono);
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.4rem 0;
  border: var(--stroke);
}

.post-body code {
  font-family: var(--font-mono);
}

.post-body p code {
  background: var(--panel-dim);
  color: var(--signal-deep);
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--ink);
}

.cab-screen {
  border: var(--stroke);
  margin: 1.4rem 0;
}

.cab-strip {
  background: var(--signal);
  color: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cab-copy {
  border: 1px solid var(--panel);
  background: transparent;
  color: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
}

.cab-screen pre {
  border: none;
  margin: 0;
}

.callout {
  border: var(--stroke);
  border-left: 8px solid var(--signal);
  padding: 1rem 1.2rem;
  margin: 1.4rem 0;
  background: var(--panel);
}

.callout-ok { border-left-color: var(--ok); }
.callout-warn { border-left-color: var(--warn); }
.callout-bad { border-left-color: var(--bad); }

.callout-t {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.post-cta {
  border: var(--stroke);
  background: var(--panel-dim);
  padding: 2rem;
  margin: 3rem 0 2.5rem;
  max-width: 760px;
}

.post-cta h2 {
  margin-top: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.post-cta-btns {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.2rem;
}

#related-posts {
  margin-top: 2.5rem;
}

#related-posts h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

@media (max-width: 900px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}

.related-card {
  border: var(--stroke);
  background: var(--panel);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

.related-card h3 {
  font-size: 1rem;
  font-weight: 800;
}

.related-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.related-card h3 a:hover {
  color: var(--signal-deep);
}

.related-card .post-sum {
  font-size: 0.85rem;
}

#post-nav {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.post-nav-card {
  flex: 1;
  min-width: 220px;
  border: var(--stroke);
  background: var(--panel);
  padding: 1rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.post-nav-next {
  text-align: right;
}

.post-nav-label {
  font-size: 0.8rem;
  color: var(--signal-deep);
}

.post-nav-title {
  font-weight: 700;
  line-height: 1.4;
}

.post-nav-card:hover {
  background: var(--panel-dim);
}