.faq-search-wrapper {
  max-width: 640px;
  margin: 28px auto 0;
  position: relative;
}
.faq-search-input {
  width: 100%;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  padding: 14px 22px 14px 46px;
  font-size: 0.95rem;
  color: #f8fafc;
  outline: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}
.faq-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--text-muted);
  pointer-events: none;
}
.faq-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px auto 20px;
  max-width: 960px;
}
.faq-tab-btn {
  flex: 1 1 auto;
  white-space: nowrap;
  padding: 11px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.faq-tab-btn:hover {
  color: #f8fafc;
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-cyan);
}
.faq-tab-btn.active {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(14, 165, 233, 0.15));
  border-color: var(--accent-cyan);
  color: #f8fafc;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
}
.faq-cat-title {
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin: 38px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-card {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  margin-bottom: 12px;
  transition: all 0.25s ease;
  overflow: hidden;
}
.faq-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
}
.faq-card[open] {
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(15, 23, 42, 0.75);
}
.faq-summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  color: #f1f5f9;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  user-select: none;
}
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after {
  content: "＋";
  font-size: 1.1rem;
  color: var(--accent-cyan);
  transition: transform 0.25s ease;
  margin-left: 16px;
  flex-shrink: 0;
}
.faq-card[open] .faq-summary::after {
  content: "−";
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 20px 18px 20px;
  font-size: 0.91rem;
  line-height: 1.8;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}
.faq-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
}
.faq-tab-panel {
  display: none;
}
.faq-tab-panel.active {
  display: block;
}