/* ========== 页面：常见问题 FAQ ========== */
.page-faq {
  --faq-mobile-gutter: 16px;
  --faq-desktop-gutter: 24px;
}

/* ---------- 首屏装饰横幅 ---------- */
.page-faq .faq-visual-banner {
  position: relative;
  width: 100%;
  min-height: 320px;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.page-faq .faq-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-faq .faq-banner-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 31, 68, 0.95), rgba(10, 31, 68, 0.6));
}

.page-faq .faq-banner-content {
  position: relative;
  z-index: 2;
  padding: 48px var(--faq-mobile-gutter) 32px;
  width: 100%;
}

.page-faq .breadcrumb {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--color-gold-light);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.page-faq .breadcrumb-link:hover {
  color: var(--color-white);
  border-bottom: 1px solid var(--color-gold);
}

.page-faq .breadcrumb-sep {
  color: var(--color-gold);
}

.page-faq .breadcrumb-current {
  color: var(--color-white);
}

.page-faq .faq-page-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
}

.page-faq .faq-page-lead {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  max-width: 760px;
  margin: 0;
}

/* ---------- 主布局：移动端单列 / 桌面双列 ---------- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 32px var(--faq-mobile-gutter) 64px;
  max-width: var(--container-width);
  margin: 0 auto;
  background: var(--color-bg-light);
}

/* 左侧索引 */
.page-faq .faq-index {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-gold);
  padding: 20px;
  flex-shrink: 0;
  align-self: flex-start;
  width: 100%;
}

.page-faq .faq-index-caption {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 2px;
  border-left: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link.is-active {
  background: rgba(212, 175, 55, 0.12);
  border-left-color: var(--color-gold);
  color: var(--color-primary);
}

.page-faq .faq-index-card {
  background: var(--color-primary);
  padding: 20px;
  border-radius: 2px;
  color: var(--color-white);
}

.page-faq .faq-index-card-title {
  font-weight: 800;
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--color-gold);
}

.page-faq .faq-index-card-text {
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq .faq-index-card .btn {
  width: 100%;
  justify-content: center;
}

/* 右侧手风琴面板 */
.page-faq .faq-panel {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.page-faq .faq-category {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 24px var(--faq-mobile-gutter);
  scroll-margin-top: 96px;
}

.page-faq .faq-category-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.page-faq .faq-category-head .index-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.12);
  padding: 2px 10px;
  border-radius: 2px;
}

.page-faq .faq-category-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 22px;
  color: var(--color-primary);
  margin: 0;
}

.page-faq .faq-category-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 20px;
  padding-left: 50px;
}

/* FAQ 手风琴条目 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item-question {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.5;
  transition: color var(--transition);
  user-select: none;
}

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

.page-faq .faq-item-question:hover {
  color: var(--color-primary);
}

.page-faq .faq-item-marker {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  margin-top: 7px;
  background: var(--color-gold);
  border-radius: 50%;
  position: relative;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.page-faq .faq-item[open] .faq-item-marker {
  background: var(--color-red);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
}

.page-faq .faq-item-answer {
  padding: 0 4px 20px 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 680px;
  animation: faq-fade-in 0.25s ease;
}

.page-faq .faq-item-answer p {
  margin: 0 0 12px;
}

.page-faq .faq-item-answer p:last-child {
  margin-bottom: 0;
}

@keyframes faq-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 数据展示内图 */
.page-faq .faq-inner-image {
  margin-top: 16px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  border-radius: 2px;
}

.page-faq .faq-inner-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 底部联系卡片 */
.page-faq .faq-contact-cta {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 32px var(--faq-mobile-gutter);
  border-left: 6px solid var(--color-gold);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-contact-title {
  font-weight: 900;
  font-size: 24px;
  margin: 0;
  color: var(--color-gold);
}

.page-faq .faq-contact-desc {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 8px 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-contact-list .contact-label {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold-light);
}

.page-faq .faq-contact-list .contact-value {
  font-size: 16px;
  color: var(--color-white);
  text-decoration: none;
}

.page-faq .faq-contact-list a.contact-value:hover {
  color: var(--color-gold);
  text-decoration: underline;
}

.page-faq .faq-contact-cta .btn {
  align-self: flex-start;
}

/* 通用的按钮微调 */
.page-faq .btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 15px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.page-faq .btn-gold {
  background: var(--gradient-gold);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.35);
}

.page-faq .btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.45);
}

.page-faq .btn-outline {
  background: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}

.page-faq .btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--color-gold-light);
  color: var(--color-gold-light);
}

/* ---------- 桌面端（≥768px） ---------- */
@media (min-width: 768px) {
  .page-faq .faq-banner-content {
    padding: 72px var(--faq-desktop-gutter) 48px;
  }

  .page-faq .faq-page-title {
    font-size: 42px;
  }

  .page-faq .faq-page-lead {
    font-size: 17px;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
    padding: 48px var(--faq-desktop-gutter) 80px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    width: 280px;
    align-self: flex-start;
  }

  .page-faq .faq-panel {
    gap: 48px;
  }

  .page-faq .faq-category {
    padding: 28px 32px;
  }

  .page-faq .faq-category-title {
    font-size: 26px;
  }

  .page-faq .faq-category-desc {
    padding-left: 82px;
  }

  .page-faq .faq-contact-cta {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 40px 36px;
  }

  .page-faq .faq-contact-cta .faq-contact-title,
  .page-faq .faq-contact-cta .faq-contact-desc,
  .page-faq .faq-contact-cta .faq-contact-list {
    flex-basis: 100%;
  }
}

/* ---------- 窄屏安全区 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-page-title {
    font-size: 26px;
  }

  .page-faq .faq-banner-content {
    padding-bottom: 24px;
  }

  .page-faq .faq-category-desc {
    padding-left: 0;
  }

  .page-faq .faq-item-question {
    font-size: 15px;
  }
}