/* --------------------------------------------------------------------------
   17. 獨立 QA 常見問答專頁樣式 (Standalone QA Page System)
   -------------------------------------------------------------------------- */
.qa-hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 50px;
  text-align: center;
  position: relative;
}

.qa-search-wrapper {
  max-width: 640px;
  margin: 28px auto 0 auto;
  position: relative;
}

.qa-search-input {
  width: 100%;
  padding: 16px 22px 16px 52px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.qa-search-input:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(184, 130, 49, 0.2), var(--shadow-md);
}

.qa-search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--text-muted);
  pointer-events: none;
}

.qa-category-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 32px 0 44px 0;
}

.qa-cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.qa-cat-btn:hover {
  border-color: var(--primary-gold-border);
  color: var(--primary-gold-dark);
  transform: translateY(-1px);
}

.qa-cat-btn.active {
  background: #fdf6ec;
  border-color: var(--primary-gold);
  color: var(--primary-gold-dark);
  box-shadow: 0 2px 12px var(--primary-gold-glow);
}

.qa-group-section {
  margin-bottom: 50px;
}

.qa-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
}

.qa-group-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #fdf6ec;
  border: 1px solid var(--primary-gold-border);
  color: var(--primary-gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.qa-group-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-primary);
}

.qa-contact-box {
  background: #ffffff;
  border: 1.5px solid var(--primary-gold-border);
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  text-align: center;
  margin-top: 60px;
  box-shadow: var(--shadow-md), var(--shadow-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.qa-contact-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text-primary);
}

.qa-contact-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
}

.qa-contact-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}