.layout { display: grid; gap: 2rem; padding-block: 2rem; align-items: start; }
.content { min-width: 0; }
.sidebar { min-width: 0; width: 100%; }
.tx-sidebar-inner { display: flex; flex-direction: column; gap: 1.25rem; }
@media (min-width: 960px) {
  .layout:has(.sidebar) { grid-template-columns: 1fr 280px; }
  .layout:has(.sidebar) .content { max-width: none; }
}
.sidebar .widget {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--tx-radius);
  box-shadow: var(--shadow-sm);
}
.sidebar .widget h3 {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}
.sidebar .search-form { display: flex; gap: 0.35rem; }
.sidebar .search-form input[type="search"] {
  flex: 1;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  color: inherit;
  font: inherit;
}
.sidebar .search-form button {
  padding: 0.55rem 0.85rem;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
}
.sidebar-posts, .sidebar-categories { list-style: none; margin: 0; padding: 0; }
.sidebar-posts li, .sidebar-categories li { margin-bottom: 0.5rem; font-size: 0.9rem; }
.sidebar-post-link { display: flex; gap: 0.5rem; align-items: flex-start; color: inherit; }
.sidebar-post-link:hover { color: var(--color-primary); }
.sidebar-post-title { display: block; line-height: 1.4; }
.sidebar-post-date { display: block; font-size: 0.8125rem; color: var(--color-muted-text); margin-top: 0.15rem; }
.sidebar-categories li { display: flex; justify-content: space-between; gap: 0.5rem; }
.sidebar-categories .count { color: var(--color-muted-text); font-size: 0.8125rem; }

/* 列表页（作者/分类/搜索等） */
.tx-page { padding: 2rem 0 3rem; }
.tx-page-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.tx-page-lead { color: var(--color-muted-text); margin-bottom: 1.25rem; max-width: 42rem; }
.tx-empty { color: var(--color-muted-text); padding: 2rem 0; text-align: center; }
.tx-post-list { display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.tx-post-card {
  display: grid; gap: 1rem; padding: 1rem;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--tx-radius); box-shadow: var(--shadow-sm);
}
@media (min-width: 640px) {
  .tx-post-card { grid-template-columns: 200px 1fr; align-items: start; }
}
.tx-post-card-cover img { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 12px; }
.tx-post-card-body h2 { font-size: 1.125rem; margin-bottom: 0.35rem; }
.tx-post-card-body h2 a { color: inherit; }
.tx-post-card-excerpt { color: var(--color-muted-text); font-size: 0.9375rem; margin-bottom: 0.5rem; }
.tx-post-card-meta { display: flex; flex-wrap: wrap; gap: 0.75rem; font-size: 0.8125rem; color: var(--color-muted-text); }
.tx-post-card-meta a { color: var(--color-muted-text); }
.tx-pin-badge { font-size: 0.75rem; color: var(--color-accent); margin-bottom: 0.25rem; display: inline-block; }
.tx-author-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin-top: 1.5rem; }
.tx-author-card {
  padding: 1.25rem; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--tx-radius); text-align: center;
}
.tx-author-avatar {
  width: 3rem; height: 3rem; margin: 0 auto 0.75rem; border-radius: 50%;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-primary); display: grid; place-items: center; font-size: 1.5rem;
}
.tx-author-avatar.lg { width: 4rem; height: 4rem; font-size: 2rem; margin: 0; flex-shrink: 0; }
.tx-author-header { display: flex; gap: 1rem; align-items: center; margin-bottom: 0.5rem; }
.tx-chip-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.tx-chip {
  padding: 0.35rem 0.85rem; border-radius: 999px; font-size: 0.875rem;
  border: 1px solid var(--color-border); color: var(--color-muted-text); background: var(--color-surface);
}
.tx-chip.is-active, .tx-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.tx-search-form { display: flex; gap: 0.5rem; margin: 1rem 0; max-width: 32rem; }
.tx-search-form input {
  flex: 1; padding: 0.55rem 0.85rem; border: 1px solid var(--color-border);
  border-radius: 999px; background: var(--color-surface); color: inherit;
}
.tx-search-count { color: var(--color-muted-text); font-size: 0.9375rem; margin-bottom: 0.5rem; }
.tx-pagination { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.tx-page-info { font-size: 0.875rem; color: var(--color-muted-text); }

/* 评论区（继承 elegant 结构，本主题独立样式） */
.tx-post .comments,
.comments {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.comments h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.comment-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--tx-radius);
}
.comment-form .form-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 560px) {
  .comment-form .form-row { grid-template-columns: 1fr; }
}
.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: inherit;
  font: inherit;
}
.comment-form textarea { min-height: 6rem; resize: vertical; }
.comment-form button {
  align-self: flex-start;
  padding: 0.55rem 1.25rem;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.comment-hint,
.comment-closed,
.comment-empty {
  color: var(--color-muted-text);
  font-size: 0.875rem;
  line-height: 1.5;
}
.comment-list { list-style: none; }
.comment-item { padding: 1rem 0; border-bottom: 1px solid var(--color-border); }
.comment-row {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
.comment-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--color-primary) 12%, var(--color-bg));
}
.comment-item.reply .comment-avatar { width: 2.25rem; height: 2.25rem; }
.comment-main { flex: 1; min-width: 0; }
.comment-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.35rem;
}
.comment-author { font-size: 0.95rem; }
.comment-site { font-size: 0.8rem; color: var(--color-muted-text); }
.comment-head time { color: var(--color-muted-text); font-size: 0.8125rem; }
.comment-text { margin: 0 0 0.5rem; line-height: 1.65; }
.reply-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 0.875rem;
  padding: 0;
}
.comment-replies {
  list-style: none;
  margin: 0.75rem 0 0 3rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-border);
}
.comment-item.reply { padding: 0.75rem 0; border-bottom: none; }

.tx-contact-grid { display: grid; gap: 2rem; }
@media (min-width: 768px) { .tx-contact-grid { grid-template-columns: 1fr 1.2fr; } }

/* 联系信息 */
.tx-contact-info {
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--tx-radius);
  box-shadow: var(--shadow-sm);
  align-self: start;
}
.tx-contact-info p {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.85rem;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.tx-contact-info p:last-child { margin-bottom: 0; }
.tx-contact-info i {
  font-size: 1.125rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* 在线留言（yh-contact-form 插件） */
.tx-contact-form-wrap { min-width: 0; }

.contact-form-plugin {
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--tx-radius);
  box-shadow: var(--shadow-sm);
}
.contact-form-plugin h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}
.contact-form-desc {
  color: var(--color-muted-text);
  font-size: 0.875rem;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}
.contact-form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 500;
}
.contact-form-grid label.full { grid-column: 1 / -1; }
.contact-form-grid label.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}
.contact-form-grid input,
.contact-form-grid textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: inherit;
  font: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.contact-form-grid input:focus,
.contact-form-grid textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}
.contact-form-grid textarea {
  min-height: 7rem;
  resize: vertical;
}
.contact-form-plugin .btn,
.contact-form-plugin button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.6rem 1.35rem;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
}
.contact-form-plugin .btn:hover,
.contact-form-plugin button[type="submit"]:hover {
  opacity: 0.92;
}
.contact-form-status {
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
}
.contact-form-status.ok {
  background: #d1fae5;
  color: #065f46;
}
.contact-form-status.err {
  background: #fee2e2;
  color: #991b1b;
}

@media (max-width: 560px) {
  .contact-form-grid { grid-template-columns: 1fr; }
  .contact-form-grid label.full { grid-column: auto; }
}