.blog-hero .zone-head p {
  max-width: 640px;
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.tag-filter button {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--r-pill, 999px);
  cursor: pointer;
  transition: background-color 0.2s var(--ease-fluent, ease), color 0.2s var(--ease-fluent, ease), border-color 0.2s var(--ease-fluent, ease);
}

.tag-filter button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.tag-filter button.on {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}

.post-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.6rem;
  box-shadow: 0 8px 24px rgba(74, 52, 40, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: transform 0.2s var(--ease-fluent, ease);
}

.post-card:hover {
  transform: translateY(-2px);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.post-meta time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.post-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  margin: 0;
}

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

.post-card h3 a:hover {
  color: var(--accent-dark);
}

.post-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.post-more {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  align-self: flex-start;
}

.post-more:hover {
  text-decoration: underline;
}

/* 面包屑 */
.crumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin: 0;
  padding: 0;
  margin-top: 1.4rem;
  padding-top: 0.2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.crumbs li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.crumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--accent-dark);
}

/* 文章 Hero */
.post-hero {
  padding-top: 1.6rem;
}

.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.post-hero-meta time {
  font-family: var(--font-mono);
}

.post-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--text);
}

.post-hero .post-summary {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 720px;
}

/* 正文排版 */
.post-body {
  max-width: 720px;
}

.post-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 2.4rem 0 1rem;
  color: var(--text);
  position: relative;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.post-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 1.8rem 0 0.8rem;
  color: var(--text);
}

.post-body p {
  line-height: 1.85;
  color: var(--text);
  margin: 0 0 1.1rem;
}

.post-body ul,
.post-body ol {
  line-height: 1.85;
  color: var(--text);
  margin: 0 0 1.1rem;
  padding-left: 1.4rem;
}

.post-body li {
  margin-bottom: 0.5rem;
}

.post-body pre {
  background: var(--text);
  color: var(--bg-panel);
  padding: 1.2rem 1.4rem;
  border-radius: 14px;
  overflow-x: auto;
  margin: 0 0 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-panel-2);
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
}

.post-body pre code {
  background: none;
  padding: 0;
}

.post-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 0 0 1.3rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-panel-2);
  border-radius: 0 12px 12px 0;
  color: var(--text-muted);
}

/* 文末下载引导卡 */
.endcap {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.2rem;
  margin-top: 3rem;
  text-align: center;
  box-shadow: 0 10px 28px rgba(74, 52, 40, 0.08);
}

.endcap h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 0 0 0.7rem;
  border: none;
  padding: 0;
}

.endcap p {
  color: var(--text-muted);
  margin: 0 0 1.4rem;
}

.endcap-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 延伸阅读 */
.related-wrap {
  margin-top: 3rem;
}

.related-wrap h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 1.2rem;
  border: none;
  padding: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

.related-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: 0 6px 18px rgba(74, 52, 40, 0.05);
}

.related-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0.6rem 0 0.5rem;
  line-height: 1.4;
}

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

.related-card h3 a:hover {
  color: var(--accent-dark);
}

.related-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}

/* 上下篇 */
.post-nav {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.post-nav-item {
  flex: 1;
  min-width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.3rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.2s var(--ease-fluent, ease);
}

.post-nav-item:hover {
  transform: translateY(-2px);
}

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

.post-nav-dir {
  font-size: 0.8rem;
  color: var(--accent-dark);
  font-weight: 600;
}

.post-nav-title {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* 下载弹窗 */
.dl-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(74, 52, 40, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.22s ease;
  padding: 1.4rem;
}

.dl-modal-overlay.is-open {
  opacity: 1;
}

.dl-modal {
  background: var(--bg-panel);
  border-radius: 20px;
  padding: 2.2rem;
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 60px rgba(74, 52, 40, 0.28);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.22s ease;
  text-align: center;
}

.dl-modal-overlay.is-open .dl-modal {
  transform: translateY(0) scale(1);
}

.dl-modal h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.7rem;
  color: var(--text);
}

.dl-modal p {
  color: var(--text-muted);
  margin: 0 0 1.4rem;
  line-height: 1.6;
}

.dl-modal-actions {
  display: flex;
  justify-content: center;
}

.dl-modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 8px;
}

.dl-modal-close:hover {
  color: var(--accent-dark);
  background: var(--bg-panel-2);
}

/* 右下角常驻下载浮层(仅文章页) */
.dl-fab {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.2rem;
  border-radius: var(--r-pill, 999px);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: 0 10px 26px rgba(237, 106, 23, 0.32);
  z-index: 60;
  transition: transform 0.2s var(--ease-fluent, ease);
}

.dl-fab:hover {
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .post-nav {
    flex-direction: column;
  }

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