/* 知识库、反馈等内页的扩展样式 */

.page-main {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 32px) 24px 64px;
}

.page-hero {
  margin-bottom: 40px;
}

.page-hero h1 {
  font-size: 1.85rem;
  margin: 0 0 8px;
}

.page-hero p {
  color: var(--text-muted);
  margin: 0;
}

/* 知识库目录 */
.kb-toc {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.kb-toc h2 {
  font-size: 1rem;
  margin: 0 0 12px;
}

.kb-toc ol {
  margin: 0;
  padding-left: 1.25em;
}

.kb-toc li {
  margin-bottom: 6px;
}

.kb-section {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.kb-section h2 {
  font-size: 1.35rem;
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--card-border);
}

.kb-section h3 {
  font-size: 1.1rem;
  margin: 24px 0 10px;
  color: var(--primary);
}

.kb-section h4 {
  font-size: 1rem;
  margin: 16px 0 8px;
}

.kb-section p,
.kb-section li {
  font-size: 0.95rem;
  color: #374151;
}

.kb-section ul,
.kb-section ol {
  padding-left: 1.3em;
}

.kb-section code {
  background: #f3e8ff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}

.kb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 12px 0 20px;
}

.kb-table th,
.kb-table td {
  border: 1px solid var(--card-border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.kb-table th {
  background: #faf5ff;
  font-weight: 600;
}

.kb-table tr:nth-child(even) td {
  background: #fdfcff;
}

.kb-tip {
  background: #ecfdf5;
  border-left: 4px solid var(--success);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
}

.kb-warn {
  background: #fff7ed;
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
}

.nav-links a.nav-active {
  color: var(--primary);
  font-weight: 700;
}

/* 反馈页 */
.feedback-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

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

.feedback-form-box,
.feedback-list-box {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.feedback-form-box h2,
.feedback-list-box h2 {
  margin: 0 0 20px;
  font-size: 1.15rem;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-message {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.form-message-error {
  background: #fee2e2;
  color: #991b1b;
}

.form-message-ok {
  background: #d1fae5;
  color: #065f46;
}

.feedback-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.feedback-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.feedback-tag {
  font-size: 0.75rem;
  background: #ede9fe;
  color: #6d28d9;
  padding: 2px 8px;
  border-radius: 6px;
}

.feedback-card-head time {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.feedback-content {
  margin: 0 0 8px;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.feedback-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.list-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.list-toolbar label {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}