.page-faq {
  --faq-section-gap: 3rem;
  --faq-number-gold: var(--gold);
  --faq-toggle-size: 1.5rem;
  --faq-border-color: rgba(255, 255, 255, 0.1);
  --faq-active-border: var(--gold);
  background: var(--dark-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 2rem 1rem 4rem;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Hero 区域 */
.page-faq .faq-hero {
  text-align: center;
  padding: 2.5rem 0 2rem;
  position: relative;
}

.page-faq .faq-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.page-faq .faq-hero-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--card-bg);
  padding: 0.5rem;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.page-faq .faq-hero-text {
  max-width: 680px;
}

.page-faq .faq-breadcrumb {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.page-faq .faq-breadcrumb a {
  color: var(--gold);
  text-decoration: none;
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.page-faq .faq-hero-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-search-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.page-faq .faq-search-input {
  width: 100%;
  padding: 0.85rem 1.2rem 0.85rem 2.8rem;
  background: var(--card-bg);
  border: 2px solid var(--faq-border-color);
  border-radius: 30px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-speed);
}

.page-faq .faq-search-input:focus {
  border-color: var(--faq-active-border);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.25);
}

.page-faq .faq-search-input::placeholder {
  color: var(--text-secondary);
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--text-secondary);
  pointer-events: none;
  line-height: 1;
}

/* 区块通用 */
.page-faq .faq-section {
  max-width: var(--max-width);
  margin: 0 auto var(--faq-section-gap);
  padding: 0;
}

.page-faq .faq-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--faq-border-color);
}

.page-faq .faq-section-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--faq-number-gold);
  line-height: 1;
  opacity: 0.85;
}

.page-faq .faq-section-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* 问答列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-faq .faq-item {
  background: var(--card-bg);
  border: 1px solid var(--faq-border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color var(--transition-speed);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-active-border);
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.12);
}

.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition-speed);
}

.page-faq .faq-question::-webkit-details-marker {
  display: none;
}

.page-faq .faq-question:hover {
  background: rgba(255, 255, 255, 0.04);
}

.page-faq .faq-q-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--faq-number-gold);
  min-width: 2.2rem;
  text-align: center;
  line-height: 1;
  opacity: 0.8;
}

.page-faq .faq-q-text {
  flex: 1;
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
}

.page-faq .faq-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--faq-toggle-size);
  height: var(--faq-toggle-size);
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-speed);
}

.page-faq .faq-toggle-icon::before,
.page-faq .faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--gold);
  border-radius: 2px;
  transition: transform var(--transition-speed);
}

.page-faq .faq-toggle-icon::before {
  width: 2px;
  height: 100%;
}

.page-faq .faq-toggle-icon::after {
  width: 100%;
  height: 2px;
}

.page-faq .faq-item[open] .faq-toggle-icon {
  transform: rotate(45deg);
}

.page-faq .faq-answer {
  padding: 0 1.5rem 1.5rem 4.2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: faqFadeIn 0.3s ease;
}

@keyframes faqFadeIn {
  0% { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* 联系支持特殊样式 */
.page-faq .faq-contact {
  border-top: 2px solid var(--faq-border-color);
  padding-top: 2rem;
}

.page-faq .faq-contact-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}

.page-faq .faq-contact-text {
  flex: 1;
}

.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
}

.page-faq .faq-contact-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--faq-border-color);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.page-faq .faq-contact-list li:last-child {
  border-bottom: none;
}

.page-faq .faq-contact-list strong {
  color: var(--gold);
  margin-right: 0.5rem;
}

.page-faq .faq-contact-image-wrapper {
  width: 100%;
  max-width: 320px;
}

.page-faq .faq-contact-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  object-fit: cover;
  aspect-ratio: 2/3;
}

.page-faq .faq-contact-note {
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border-left: 4px solid var(--gold);
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  border-radius: 4px;
}

/* ===== 响应式桌面端 ===== */
@media (min-width: 768px) {
  .page-faq {
    padding: 3rem 2rem 5rem;
  }

  .page-faq .faq-hero {
    padding: 3rem 0 2.5rem;
  }

  .page-faq .faq-hero-icon {
    width: 120px;
    height: 120px;
  }

  .page-faq .faq-hero-title {
    font-size: 3.6rem;
  }

  .page-faq .faq-hero-desc {
    font-size: 1.1rem;
  }

  .page-faq .faq-section-header {
    margin-bottom: 2.5rem;
  }

  .page-faq .faq-section-number {
    font-size: 3rem;
  }

  .page-faq .faq-section-heading {
    font-size: 1.8rem;
  }

  .page-faq .faq-question {
    padding: 1.4rem 2rem;
  }

  .page-faq .faq-q-number {
    font-size: 1.8rem;
    min-width: 2.6rem;
  }

  .page-faq .faq-q-text {
    font-size: 1.05rem;
  }

  .page-faq .faq-answer {
    padding: 0 2rem 1.8rem 5rem;
    font-size: 1rem;
  }

  .page-faq .faq-contact-content {
    flex-direction: row;
    gap: 3rem;
  }

  .page-faq .faq-contact-image-wrapper {
    max-width: 280px;
    flex-shrink: 0;
  }

  .page-faq .faq-contact-list li {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding: 4rem 3rem 6rem;
  }

  .page-faq .faq-hero {
    padding: 4rem 0 3rem;
  }

  .page-faq .faq-hero-title {
    font-size: 4.2rem;
  }

  .page-faq .faq-section {
    margin-bottom: 4rem;
  }

  .page-faq .faq-section-header {
    margin-bottom: 3rem;
  }

  .page-faq .faq-section-number {
    font-size: 3.6rem;
  }

  .page-faq .faq-section-heading {
    font-size: 2rem;
  }

  .page-faq .faq-contact-image-wrapper {
    max-width: 320px;
  }
}