/* ===== page-faq 专属样式 ===== */
.page-faq {
  background-color: var(--color-dark-bg);
  padding: var(--gap) 0 calc(var(--gap) * 2.5) 0;
  color: var(--color-white);
}

.page-faq .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
}

.page-faq .breadcrumb__link {
  color: var(--color-light-gray);
  text-decoration: none;
  transition: color var(--transition);
}

.page-faq .breadcrumb__link:hover {
  color: var(--color-gold);
}

.page-faq .breadcrumb__separator {
  color: var(--color-gold);
  font-size: 1.1rem;
  line-height: 1;
}

.page-faq .breadcrumb__current {
  color: var(--color-white);
  font-weight: 500;
}

/* 页面标题区 */
.page-faq__heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  color: var(--color-white);
  margin: 0 0 0.75rem 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-faq__subhead {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.6vw, 1.125rem);
  color: var(--color-light-gray);
  max-width: 640px;
  margin: 0 0 2.5rem 0;
  line-height: 1.6;
}

/* 每个问题组 */
.page-faq__group {
  margin-bottom: 3rem;
  border-top: 1px solid rgba(255, 215, 0, 0.15);
  padding-top: 2rem;
}

.page-faq__group:first-of-type {
  border-top: none;
  padding-top: 0;
}

.page-faq__group-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  color: var(--color-electric-blue);
  margin: 0 0 1.5rem 0;
  line-height: 1.3;
}

.page-faq__group-title--single {
  /* 无图标时保持统一缩进 */
  padding-left: 0;
}

.page-faq__group-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius);
  object-fit: contain;
  background-color: var(--color-dark-panel);
  display: block;
}

/* 问题列表容器 */
.page-faq__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 单个问题项 */
.page-faq__item {
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background-color var(--transition);
}

/* 问题胶囊按钮 */
.page-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-deep-red);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(0.95rem, 1.4vw, 1.0625rem);
  line-height: 1.5;
  border-radius: var(--radius-lg);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--transition), box-shadow var(--transition);
  user-select: none;
}

/* 去掉默认的三角标记 */
.page-faq__question::-webkit-details-marker {
  display: none;
}

.page-faq__question::marker {
  display: none;
  content: "";
}

/* 自定义展开指示符（金色箭头） */
.page-faq__question::after {
  content: "";
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: auto;
}

.page-faq__item[open] .page-faq__question::after {
  transform: rotate(-135deg);
}

.page-faq__question:hover {
  background-color: #6b0000;
  box-shadow: 0 4px 16px rgba(139, 0, 0, 0.4);
}

.page-faq__question:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* 答案区域 */
.page-faq__answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 1.5rem;
  background-color: var(--color-dark-panel);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  transition: max-height 0.45s ease, opacity 0.35s ease, padding 0.35s ease;
}

.page-faq__item[open] .page-faq__answer {
  max-height: 500px;
  opacity: 1;
  padding: 1.25rem 1.5rem 1.5rem 1.5rem;
}

.page-faq__answer p {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.3vw, 1rem);
  color: var(--color-white);
  line-height: 1.7;
  margin: 0;
}

.page-faq__link {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

.page-faq__link:hover {
  color: var(--color-electric-blue);
}

/* 延伸帮助入口 */
.page-faq__help {
  margin-top: 3.5rem;
  padding: 2rem 2rem 2.5rem;
  background-color: var(--color-dark-panel);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.page-faq__help-text {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--color-white);
  margin: 0 0 1.5rem 0;
}

.page-faq__help-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.page-faq__help-actions .btn {
  min-width: 160px;
}

/* 响应式：窄屏 */
@media (max-width: 640px) {
  .page-faq {
    padding: var(--gap) 0 calc(var(--gap) * 1.5) 0;
  }

  .page-faq .container {
    padding: 0 1rem;
  }

  .page-faq__group-title {
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .page-faq__group-icon {
    width: 64px;
    height: 64px;
  }

  .page-faq__question {
    padding: 0.85rem 1.125rem;
    font-size: 0.95rem;
    border-radius: var(--radius);
  }

  .page-faq__answer {
    padding: 0 1.125rem;
  }

  .page-faq__item[open] .page-faq__answer {
    padding: 1rem 1.125rem 1.25rem 1.125rem;
  }

  .page-faq__help {
    padding: 1.5rem 1.25rem 2rem;
    margin-top: 2.5rem;
  }

  .page-faq__help-actions {
    flex-direction: column;
    align-items: center;
  }

  .page-faq__help-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* 响应式：中屏以上优化间距 */
@media (min-width: 768px) {
  .page-faq__group {
    margin-bottom: 3.5rem;
    padding-top: 2.5rem;
  }

  .page-faq__list {
    gap: 1rem;
  }

  .page-faq__question {
    padding: 1.125rem 1.75rem;
  }

  .page-faq__item[open] .page-faq__answer {
    padding: 1.5rem 1.75rem 1.75rem 1.75rem;
  }
}

/* 确保图片在容器内不溢出 */
.page-faq img {
  max-width: 100%;
  height: auto;
}