/* ===== 页面专属：.page-faq ===== */
.page-faq {
  --faq-accent: #FF6B35;
  --faq-accent-dark: #D84315;
  --faq-card-bg: #12183A;
  --faq-card-border: linear-gradient(135deg, #B0BEC5, #ECEFF1);
  --faq-text: #F5F7FA;
  --faq-text-muted: #8C9EAB;
  --faq-glow: #00BCD4;
  --faq-font-heading: Georgia, 'Times New Roman', serif;
  --faq-font-body: Arial, Helvetica, sans-serif;
  --faq-radius: 0;
  --faq-space-sm: 0.5rem;
  --faq-space-md: 1rem;
  --faq-space-lg: 2rem;
  --faq-space-xl: 3rem;
  --faq-space-2xl: 4rem;
  --faq-max-width: 1200px;
}

/* 容器 */
.page-faq .content-container {
  max-width: var(--faq-max-width);
  margin: 0 auto;
  padding: var(--faq-space-lg) var(--faq-space-md);
  width: 100%;
  box-sizing: border-box;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--faq-font-body);
  font-size: 0.875rem;
  color: var(--faq-text-muted);
  margin-bottom: var(--faq-space-lg);
  line-height: 1.4;
}

.page-faq .breadcrumb a {
  color: var(--faq-text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--faq-accent);
  outline: none;
}

.page-faq .breadcrumb-sep {
  color: var(--faq-text-muted);
  user-select: none;
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--faq-text);
  font-weight: 500;
}

/* 标题区 */
.page-faq .faq-hero {
  margin-bottom: var(--faq-space-2xl);
  padding-bottom: var(--faq-space-lg);
  border-bottom: 1px solid rgba(139, 158, 171, 0.25);
}

.page-faq .faq-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--faq-text);
  margin: 0 0 var(--faq-space-sm) 0;
  line-height: 1.1;
}

.page-faq .faq-subtitle {
  font-family: var(--faq-font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--faq-text-muted);
  margin: 0 0 var(--faq-space-lg) 0;
  line-height: 1.6;
  max-width: 640px;
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  background-color: var(--faq-accent);
  color: #fff;
  font-family: var(--faq-font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  line-height: 1.4;
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  background-color: var(--faq-accent-dark);
  transform: scale(1.02);
  outline: none;
}

/* 分类区块 */
.page-faq .faq-section {
  margin-bottom: var(--faq-space-2xl);
  padding: var(--faq-space-lg) var(--faq-space-md);
  background-color: var(--faq-card-bg);
  border-left: 3px solid transparent;
  border-image: var(--faq-card-border) 1;
  position: relative;
}

.page-faq .faq-section-header {
  display: flex;
  align-items: baseline;
  gap: var(--faq-space-sm);
  margin-bottom: var(--faq-space-lg);
}

.page-faq .faq-section-deco {
  font-family: var(--faq-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--faq-accent);
  line-height: 1;
  user-select: none;
  opacity: 0.6;
}

.page-faq .faq-section-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--faq-text);
  margin: 0;
  line-height: 1.2;
}

/* 问答列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* 单个问答项 */
.page-faq .faq-item {
  border-bottom: 1px solid rgba(139, 158, 171, 0.15);
  transition: background-color 0.25s ease;
}

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

.page-faq .faq-item[open] {
  background-color: rgba(255, 255, 255, 0.03);
}

/* 问题行 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: var(--faq-space-sm);
  padding: var(--faq-space-md) 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color 0.2s ease;
  outline: none;
}

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

.page-faq .faq-question::marker {
  display: none;
  content: '';
}

.page-faq .faq-question:hover {
  background-color: rgba(255, 107, 53, 0.06);
}

.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--faq-glow);
  outline-offset: -2px;
}

/* 问号图标 */
.page-faq .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--faq-accent);
  transition: color 0.25s ease;
}

.page-faq .faq-item[open] .faq-icon {
  color: var(--faq-glow);
}

/* 问题文本 */
.page-faq .faq-question-text {
  font-family: var(--faq-font-heading);
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 600;
  font-style: italic;
  color: var(--faq-text);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-faq .faq-item[open] .faq-question-text {
  color: var(--faq-accent);
}

/* 答案区域 */
.page-faq .faq-answer {
  padding: 0 0 var(--faq-space-md) calc(24px + var(--faq-space-sm));
  font-family: var(--faq-font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--faq-text-muted);
  max-width: 720px;
}

.page-faq .faq-answer p {
  margin: 0 0 var(--faq-space-sm) 0;
}

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

/* 展开/收起平滑动画 */
.page-faq .faq-item {
  overflow: hidden;
}

.page-faq .faq-item .faq-answer {
  max-height: 0;
  opacity: 0;
  transform: translateY(-8px);
  transition: max-height 0.4s ease, opacity 0.35s ease, transform 0.35s ease;
  padding-top: 0;
  padding-bottom: 0;
}

.page-faq .faq-item[open] .faq-answer {
  max-height: 320px;
  opacity: 1;
  transform: translateY(0);
  padding-top: 0;
  padding-bottom: var(--faq-space-md);
}

/* 分类脚注 */
.page-faq .faq-section-footnote {
  margin-top: var(--faq-space-md);
  padding-top: var(--faq-space-sm);
}

.page-faq .faq-inline-link {
  font-family: var(--faq-font-body);
  font-size: 0.9rem;
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--faq-accent);
  color: var(--faq-glow);
  outline: none;
}

/* 分类内图片 */
.page-faq .faq-section-media {
  margin-bottom: var(--faq-space-md);
  max-width: 100%;
}

.page-faq .faq-media-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(139, 158, 171, 0.2);
  background-color: #0A0E27;
}

/* 底部帮助区域 */
.page-faq .faq-help {
  margin-top: var(--faq-space-2xl);
  margin-bottom: var(--faq-space-lg);
}

.page-faq .faq-help-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(139, 158, 171, 0.2);
  padding: var(--faq-space-xl) var(--faq-space-lg);
  text-align: center;
}

.page-faq .faq-help-title {
  font-family: var(--faq-font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  font-style: italic;
  color: var(--faq-text);
  margin: 0 0 var(--faq-space-sm) 0;
  line-height: 1.2;
}

.page-faq .faq-help-text {
  font-family: var(--faq-font-body);
  font-size: 1rem;
  color: var(--faq-text-muted);
  margin: 0 auto var(--faq-space-lg) auto;
  max-width: 480px;
  line-height: 1.6;
}

.page-faq .faq-help-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--faq-space-md);
}

.page-faq .faq-help-link {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.5rem;
  background-color: transparent;
  border: 1px solid var(--faq-accent);
  color: var(--faq-accent);
  font-family: var(--faq-font-body);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  line-height: 1.4;
}

.page-faq .faq-help-link:hover,
.page-faq .faq-help-link:focus-visible {
  background-color: var(--faq-accent);
  color: #fff;
  border-color: var(--faq-accent);
  outline: none;
}

/* ===== 响应式：窄屏优先 ===== */
@media (max-width: 680px) {
  .page-faq .content-container {
    padding: var(--faq-space-md) var(--faq-space-sm);
  }

  .page-faq .faq-hero {
    margin-bottom: var(--faq-space-xl);
    padding-bottom: var(--faq-space-md);
  }

  .page-faq .faq-section {
    padding: var(--faq-space-md) var(--faq-space-sm);
    margin-bottom: var(--faq-space-xl);
    border-left-width: 2px;
  }

  .page-faq .faq-section-header {
    flex-wrap: wrap;
  }

  .page-faq .faq-question {
    padding: var(--faq-space-sm) 0;
    gap: 0.375rem;
  }

  .page-faq .faq-icon {
    width: 20px;
    height: 20px;
  }

  .page-faq .faq-answer {
    padding-left: calc(20px + 0.375rem);
    font-size: 0.95rem;
  }

  .page-faq .faq-help-card {
    padding: var(--faq-space-lg) var(--faq-space-md);
  }

  .page-faq .faq-help-links {
    flex-direction: column;
    align-items: center;
  }

  .page-faq .faq-media-img {
    width: 100%;
    height: auto;
  }

  .page-faq .faq-section-media {
    text-align: center;
  }
}

/* 桌面端微调 */
@media (min-width: 681px) {
  .page-faq .faq-section {
    padding: var(--faq-space-xl) var(--faq-space-lg);
  }

  .page-faq .faq-section-media {
    float: right;
    margin-left: var(--faq-space-lg);
    margin-bottom: var(--faq-space-md);
    max-width: 320px;
  }

  .page-faq .faq-section:nth-child(odd) .faq-section-media {
    float: left;
    margin-left: 0;
    margin-right: var(--faq-space-lg);
  }

  .page-faq .faq-help-card {
    padding: var(--faq-space-2xl) var(--faq-space-xl);
  }
}

/* 确保图片不溢出 */
.page-faq img {
  max-width: 100%;
  height: auto;
}

/* 悬浮装饰线 */
.page-faq .faq-section::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--faq-card-border);
  opacity: 0.3;
  margin-top: var(--faq-space-lg);
}

.page-faq .faq-section:last-child::after {
  display: none;
}