/* 关于页专属样式 */

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-title);
  background: var(--bg-base);
  font-family: inherit;
  outline: none;
  transition: all var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.375rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-title);
  font-size: 0.9375rem;
  background: var(--bg-white);
  transition: background 0.2s ease;
  user-select: none;
}
.faq-q:hover { background: var(--bg-subtle); }
.faq-q .faq-arrow { transition: transform 0.3s ease; font-size: 0.75rem; color: var(--text-muted); }
.faq-item.open .faq-q .faq-arrow { transform: rotate(180deg); }
.faq-a {
  padding: 0 1.375rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.8;
  background: white;
}
.faq-item.open .faq-a { max-height: 400px; padding: 1rem 1.375rem 1.25rem; }

/* 路线图 */
.roadmap-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.375rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.roadmap-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.roadmap-status {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.status-done { background: linear-gradient(135deg, var(--accent2), #0D9488); color: white; }
.status-wip { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; }
.status-plan { background: var(--bg-subtle); color: var(--text-muted); }