/* ===== 页面专属 CSS：.page-faq ===== */
.page-faq {
  --faq-gold-border: 2px solid var(--primary-accent);
  --faq-gold-glow: 0 0 12px rgba(245, 176, 65, 0.3);
  --faq-card-radius: var(--radius-md);
  --faq-transition: var(--transition-medium);
  display: block;
  width: 100%;
  padding: calc(var(--header-total, 104px) + 1.5rem) 0 3rem;
  background-color: var(--primary-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
}

/* 容器 */
.page-faq .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---- Hero 标题区 ---- */
.page-faq .faq-hero {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--divider);
}

.page-faq .faq-hero-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  padding: 0.5rem;
  border: 1px solid var(--glass-border);
}

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

.page-faq .faq-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-faq .faq-subheading {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ---- 搜索栏 ---- */
.page-faq .faq-search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem 1.25rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color var(--transition-fast);
}

.page-faq .faq-search-bar:focus-within {
  border-color: var(--primary-accent);
  box-shadow: var(--faq-gold-glow);
}

.page-faq .faq-search-icon {
  font-size: 1.4rem;
  color: var(--primary-accent);
  line-height: 1;
  flex-shrink: 0;
}

.page-faq .faq-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-body);
  padding: 0.5rem 0;
}

.page-faq .faq-search-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* ---- 分类标签 ---- */
.page-faq .faq-tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--divider);
}

.page-faq .faq-tab-btn {
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.page-faq .faq-tab-btn.is-active,
.page-faq .faq-tab-btn:hover,
.page-faq .faq-tab-btn:focus-visible {
  border-color: var(--primary-accent);
  color: var(--primary-accent);
  background: rgba(245, 176, 65, 0.08);
  outline: none;
}

.page-faq .faq-tab-btn:focus-visible {
  box-shadow: 0 0 0 2px var(--hover-highlight);
}

/* ---- 常见问题区域 ---- */
.page-faq .faq-section {
  margin-bottom: 3.5rem;
}

.page-faq .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1.5rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--primary-accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-faq .section-number {
  font-size: 0.75em;
  color: var(--primary-accent);
  opacity: 0.7;
  font-weight: 400;
}

/* ---- 问题卡片网格 ---- */
.page-faq .faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 问题卡片（details） */
.page-faq .faq-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--faq-card-radius);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all var(--faq-transition);
  overflow: hidden;
}

.page-faq .faq-card:hover {
  border-color: rgba(245, 176, 65, 0.3);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-card[open] {
  border-color: rgba(245, 176, 65, 0.25);
  background: rgba(26, 60, 42, 0.85);
}

/* 热门问题卡片特殊样式 */
.page-faq .faq-card-hot {
  border-left: 3px solid var(--primary-accent);
}

.page-faq .faq-card-hot[open] {
  border-left-color: var(--hover-highlight);
}

.page-faq .faq-hot-star {
  color: var(--primary-accent);
  margin-right: 0.4rem;
  font-size: 1.1em;
  display: inline-block;
}

/* 问题标题（summary） */
.page-faq .faq-question {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  transition: color var(--transition-fast);
}

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

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

.page-faq .faq-question::before {
  content: '▶';
  font-size: 0.75em;
  color: var(--primary-accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.page-faq .faq-card[open] > .faq-question::before {
  transform: rotate(90deg);
}

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

/* 答案内容 */
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  border-top: 1px solid rgba(62, 107, 78, 0.3);
  margin-top: 0;
}

.page-faq .faq-answer p {
  margin: 0.75rem 0;
}

.page-faq .faq-related-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: var(--primary-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

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

/* ---- 问题反馈专区 ---- */
.page-faq .feedback-section {
  margin-bottom: 3.5rem;
}

.page-faq .feedback-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: -0.5rem 0 1.5rem;
  line-height: 1.5;
}

/* 论坛帖子列表 */
.page-faq .forum-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-faq .forum-post {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--faq-card-radius);
  padding: 1.25rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all var(--faq-transition);
}

.page-faq .forum-post:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(245, 176, 65, 0.2);
}

/* 置顶帖金色边框 */
.page-faq .forum-post-sticky {
  border: var(--faq-gold-border);
  box-shadow: var(--faq-gold-glow);
  background: rgba(26, 60, 42, 0.85);
}

.page-faq .forum-post-sticky:hover {
  border-color: var(--hover-highlight);
  box-shadow: 0 0 18px rgba(245, 176, 65, 0.35);
}

/* 热门问题金色边框（略弱于置顶） */
.page-faq .forum-post-hot {
  border-left: 3px solid var(--primary-accent);
}

.page-faq .forum-post-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-faq .forum-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--divider);
  flex-shrink: 0;
  background: var(--surface-card);
}

.page-faq .forum-post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 0.85rem;
}

.page-faq .forum-sticky-tag {
  font-weight: 700;
  color: var(--primary-accent);
  background: rgba(245, 176, 65, 0.12);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.page-faq .forum-hot-tag {
  font-weight: 700;
  color: var(--primary-accent);
  font-size: 0.85rem;
}

.page-faq .forum-author {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.page-faq .forum-post-title {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.page-faq .forum-post-excerpt {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 0.75rem;
}

.page-faq .forum-post-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding-top: 0.5rem;
  border-top: 1px solid rgba(62, 107, 78, 0.2);
}

.page-faq .forum-post-tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.page-faq .forum-post-tag.tag-sport {
  background: rgba(139, 0, 0, 0.2);
  color: #e06060;
}

.page-faq .forum-post-tag.tag-upcoming {
  background: rgba(245, 176, 65, 0.12);
  color: var(--primary-accent);
}

.page-faq .forum-post-like {
  color: var(--text-secondary);
  margin-left: auto;
}

.page-faq .forum-post-time {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* ---- 反馈表单（示意） ---- */
.page-faq .feedback-form-block {
  background: var(--glass-bg);
  border: 1px dashed var(--divider);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.page-faq .feedback-form-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.25rem;
}

.page-faq .feedback-form-note {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 1rem;
  line-height: 1.4;
}

.page-faq .feedback-form-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .feedback-input {
  background: rgba(10, 47, 31, 0.6);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition-fast);
}

.page-faq .feedback-input:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 2px rgba(245, 176, 65, 0.15);
}

.page-faq .feedback-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.page-faq .feedback-submit {
  align-self: flex-end;
  padding: 0.6rem 2rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---- 联系客服 ---- */
.page-faq .contact-section {
  margin-bottom: 2.5rem;
}

.page-faq .contact-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: -0.5rem 0 1.5rem;
  line-height: 1.5;
}

.page-faq .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .contact-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all var(--faq-transition);
}

.page-faq .contact-card:hover {
  border-color: rgba(245, 176, 65, 0.25);
  box-shadow: var(--shadow-card);
}

.page-faq .contact-card-icon {
  font-size: 1.8rem;
  color: var(--primary-accent);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.page-faq .contact-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.4rem;
}

.page-faq .contact-card-value {
  font-size: 1rem;
  color: var(--primary-accent);
  margin: 0 0 0.3rem;
  font-weight: 600;
  word-break: break-all;
}

.page-faq .contact-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.page-faq .contact-additional {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--divider);
}

.page-faq .contact-additional a {
  color: var(--primary-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-faq .contact-additional a:hover,
.page-faq .contact-additional a:focus-visible {
  border-bottom-color: var(--primary-accent);
  outline: none;
}

/* ---- 信任声明 ---- */
.page-faq .faq-trust {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(26, 60, 42, 0.4);
  border-radius: var(--radius-md);
  text-align: center;
}

.page-faq .faq-trust p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ---- 响应式 ---- */
/* 移动端优先（以上为移动端样式） */

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .container {
    padding: 0 2rem;
  }

  .page-faq .faq-hero-icon {
    width: 100px;
    height: 100px;
  }

  .page-faq .faq-tab-list {
    gap: 0.75rem 1rem;
  }

  .page-faq .faq-tab-btn {
    font-size: 0.95rem;
    padding: 0.55rem 1.5rem;
  }

  .page-faq .forum-post {
    padding: 1.5rem;
  }

  .page-faq .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .feedback-form-body {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-faq .feedback-input {
    flex: 1;
  }

  .page-faq .feedback-submit {
    align-self: flex-start;
    flex-shrink: 0;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-faq {
    padding: calc(var(--header-total, 104px) + 2.5rem) 0 5rem;
  }

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

  .page-faq .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .page-faq .faq-card[open] {
    grid-column: span 2;
  }

  /* 让热门问题卡片在桌面时占据全宽以突出显示 */
  .page-faq .faq-card-hot {
    grid-column: span 1;
  }

  .page-faq .faq-card-hot[open] {
    grid-column: span 2;
  }

  .page-faq .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .forum-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .page-faq .forum-post-sticky {
    grid-column: span 2;
  }

  .page-faq .forum-avatar {
    width: 50px;
    height: 50px;
  }

  .page-faq .faq-section {
    margin-bottom: 4.5rem;
  }

  .page-faq .feedback-section {
    margin-bottom: 4.5rem;
  }
}

/* 大桌面 */
@media (min-width: 1280px) {
  .page-faq .container {
    padding: 0 3rem;
  }

  .page-faq .faq-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .page-faq .forum-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .forum-post,
  .page-faq .contact-card,
  .page-faq .faq-search-bar,
  .page-faq .faq-tab-btn,
  .page-faq .faq-question::before {
    transition: none !important;
  }
}

/* 焦点可见性 */
.page-faq .faq-tab-btn:focus-visible,
.page-faq .faq-related-link:focus-visible,
.page-faq .contact-additional a:focus-visible,
.page-faq .feedback-submit:focus-visible {
  outline: 2px solid var(--hover-highlight);
  outline-offset: 2px;
}

/* 通用按钮复用 */
.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.2;
}

.page-faq .btn-primary {
  background: linear-gradient(135deg, var(--primary-accent), #d4942f);
  color: var(--primary-bg);
}

.page-faq .btn-primary:hover {
  background: linear-gradient(135deg, #f7c852, var(--primary-accent));
  box-shadow: 0 4px 16px rgba(245, 176, 65, 0.3);
}

.page-faq .btn-primary:focus-visible {
  outline: 2px solid var(--hover-highlight);
  outline-offset: 2px;
}

/* 工具类 */
.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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