/* ===== 页面专属：帮助中心 (page-faq) ===== */
.page-faq {
  --faq-hero-bg: var(--color-dark-blue, #1D3557);
  --faq-hero-text: var(--color-white, #F5F5F5);
  --faq-hero-accent: var(--color-gold, #D4AF37);
  --faq-index-bg: var(--color-blue, #457B9D);
  --faq-index-active: var(--color-red, #E63946);
  --faq-card-bg: var(--color-white, #F5F5F5);
  --faq-card-border: var(--color-light-gray, #E0E0E0);
  --faq-question-open: var(--color-yellow, #F4A261);
  --faq-answer-bg: var(--color-light-gray, #E0E0E0);
  --faq-contact-accent: var(--color-green, #2A9D8F);
  --faq-radius-card: var(--radius-lg, 16px);
  --faq-radius-pill: var(--radius-pill, 9999px);
  --faq-shadow-card: var(--shadow-md, 0 4px 12px rgba(0,0,0,0.15));
  --faq-shadow-hover: var(--shadow-lg, 0 8px 24px rgba(0,0,0,0.2));
  --faq-transition: var(--transition, 0.25s ease);

  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  color: #222;
  background-color: var(--color-light-gray, #E0E0E0);
  line-height: 1.6;
}

/* 容器复用共享样式，此处仅微调 */
.page-faq .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--space-md, 1rem);
}

/* 跳过链接不需要重复定义 */

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
  padding: var(--space-md, 1rem) 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}
.page-faq .breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--faq-hero-accent);
  text-decoration: none;
}
.page-faq .breadcrumb-sep {
  margin: 0 var(--space-xs, 0.25rem);
  user-select: none;
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--faq-hero-accent);
  font-weight: 600;
}

/* ---------- Hero 区域 ---------- */
.page-faq .faq-hero {
  background: var(--faq-hero-bg);
  color: var(--faq-hero-text);
  padding: var(--space-lg, 2rem) 0 var(--space-xl, 3rem);
  position: relative;
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    transparent,
    transparent 40px,
    rgba(212, 175, 55, 0.08) 40px,
    rgba(212, 175, 55, 0.08) 41px
  );
  pointer-events: none;
}
.page-faq .faq-hero-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg, 2rem);
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero-text {
  flex: 1 1 auto;
}
.page-faq .faq-hero-title {
  font-family: var(--font-heading, Georgia, 'Times New Roman', serif);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 var(--space-sm, 0.5rem);
  color: var(--faq-hero-text);
  letter-spacing: 0.01em;
}
.page-faq .faq-hero-desc {
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 0 var(--space-lg, 2rem);
  opacity: 0.9;
  line-height: 1.6;
}
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 480px;
}
.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: #222;
  background: var(--color-white, #F5F5F5);
  border: 2px solid transparent;
  border-radius: var(--faq-radius-pill);
  outline: none;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.page-faq .faq-search-input::placeholder {
  color: #888;
  opacity: 1;
}
.page-faq .faq-search-input:focus {
  border-color: var(--faq-hero-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.15rem;
  color: #666;
  pointer-events: none;
}
.page-faq .faq-hero-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-faq .faq-hero-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--faq-radius-card);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  object-fit: cover;
  aspect-ratio: 300 / 200;
}

/* ---------- 布局：索引 + 内容 ---------- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg, 2rem);
  padding-top: var(--space-xl, 3rem);
  padding-bottom: var(--space-xl, 3rem);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  flex: 0 0 auto;
  background: var(--faq-index-bg);
  border-radius: var(--faq-radius-card);
  padding: var(--space-md, 1rem) var(--space-md, 1rem);
  box-shadow: var(--faq-shadow-card);
  align-self: flex-start;
  width: 100%;
}
.page-faq .faq-index-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white, #F5F5F5);
  margin: 0 0 var(--space-sm, 0.5rem);
  padding-bottom: var(--space-sm, 0.5rem);
  border-bottom: 2px solid rgba(255,255,255,0.2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm, 0.5rem);
}
.page-faq .faq-index-link {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-white, #F5F5F5);
  background: rgba(255,255,255,0.12);
  border-radius: var(--faq-radius-pill);
  text-decoration: none;
  transition: background var(--faq-transition), color var(--faq-transition), transform var(--faq-transition);
  white-space: nowrap;
}
.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: var(--faq-index-active);
  color: var(--color-white, #F5F5F5);
  transform: translateY(-1px);
}
.page-faq .faq-index-link:focus-visible {
  outline: 2px solid var(--faq-hero-accent);
  outline-offset: 2px;
}

/* ---------- 右侧问答内容 ---------- */
.page-faq .faq-content {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl, 3rem);
}

/* 分类区块 */
.page-faq .faq-category {
  scroll-margin-top: var(--space-lg, 2rem);
}
.page-faq .faq-category-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--faq-hero-bg);
  margin: 0 0 var(--space-md, 1rem);
  padding-bottom: var(--space-sm, 0.5rem);
  border-bottom: 3px solid var(--faq-index-bg);
  display: inline-block;
}

/* 单个问答项 (details/summary) */
.page-faq .faq-item {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius-card);
  box-shadow: var(--faq-shadow-card);
  margin-bottom: var(--space-md, 1rem);
  overflow: hidden;
  transition: box-shadow var(--faq-transition), transform var(--faq-transition);
}
.page-faq .faq-item:hover {
  box-shadow: var(--faq-shadow-hover);
  transform: translateY(-2px);
}
.page-faq .faq-item[open] {
  box-shadow: var(--faq-shadow-hover);
}

/* 问题摘要 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 0.5rem);
  padding: var(--space-md, 1rem) var(--space-lg, 2rem);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--faq-hero-bg);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--faq-transition), color var(--faq-transition);
  position: relative;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::marker {
  display: none;
  content: '';
}
.page-faq .faq-question:hover,
.page-faq .faq-item[open] .faq-question {
  background: var(--faq-question-open);
  color: var(--faq-hero-bg);
}
.page-faq .faq-q-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--faq-index-bg);
  color: var(--color-white, #F5F5F5);
  font-size: 0.8rem;
  font-weight: 800;
  transition: background var(--faq-transition);
}
.page-faq .faq-item[open] .faq-q-icon {
  background: var(--faq-hero-bg);
}
.page-faq .faq-q-text {
  flex: 1;
}
.page-faq .faq-toggle-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--faq-index-bg);
  transition: transform var(--faq-transition), color var(--faq-transition);
  line-height: 1;
}
.page-faq .faq-item[open] .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--faq-hero-bg);
}

/* 答案区域 */
.page-faq .faq-answer {
  padding: 0 var(--space-lg, 2rem) var(--space-md, 1rem);
  font-size: 0.95rem;
  color: #333;
  line-height: 1.7;
  background: var(--faq-answer-bg);
  border-radius: 0 0 var(--faq-radius-card) var(--faq-radius-card);
}
.page-faq .faq-answer p {
  margin: var(--space-sm, 0.5rem) 0;
}
.page-faq .faq-answer p:first-child {
  margin-top: 0;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

/* 答案中的图片 */
.page-faq .faq-answer-img-wrap {
  margin: var(--space-md, 1rem) 0 0;
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.page-faq .faq-step-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 400 / 300;
  object-fit: cover;
  border-radius: var(--radius-md, 8px);
}

/* ---------- 联系客服区域 ---------- */
.page-faq .faq-category-contact {
  background: var(--color-white, #F5F5F5);
  border-radius: var(--faq-radius-card);
  padding: var(--space-lg, 2rem);
  box-shadow: var(--faq-shadow-card);
  scroll-margin-top: var(--space-lg, 2rem);
}
.page-faq .faq-contact-intro {
  margin: 0 0 var(--space-lg, 2rem);
  font-size: 1rem;
  color: #444;
}
.page-faq .faq-contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md, 1rem);
}
.page-faq .faq-contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-md, 1rem);
  padding: var(--space-md, 1rem) var(--space-lg, 2rem);
  background: var(--faq-answer-bg);
  border-radius: var(--faq-radius-card);
  border-left: 5px solid var(--faq-contact-accent);
  transition: transform var(--faq-transition), box-shadow var(--faq-transition);
}
.page-faq .faq-contact-card:hover {
  transform: translateX(4px);
  box-shadow: var(--faq-shadow-sm, 0 1px 3px rgba(0,0,0,0.12));
}
.page-faq .faq-contact-icon {
  flex-shrink: 0;
  font-size: 1.5rem;
  color: var(--faq-contact-accent);
  width: 2rem;
  text-align: center;
}
.page-faq .faq-contact-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--faq-hero-bg);
  margin: 0;
  min-width: 5em;
}
.page-faq .faq-contact-value {
  font-size: 0.95rem;
  color: #333;
  word-break: break-all;
}
.page-faq .faq-contact-card a.faq-contact-value {
  color: var(--faq-index-bg);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.page-faq .faq-contact-card a.faq-contact-value:hover,
.page-faq .faq-contact-card a.faq-contact-value:focus-visible {
  color: var(--faq-index-active);
  text-decoration: none;
}
.page-faq .faq-contact-note {
  margin: var(--space-md, 1rem) 0 0;
  font-size: 0.85rem;
  color: #777;
  font-style: italic;
}

/* ---------- 辅助类 ---------- */
.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===== 响应式：桌面 (≥768px) ===== */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: var(--space-xl, 3rem) 0 var(--space-2xl, 4rem);
  }
  .page-faq .faq-hero-grid {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-faq .faq-hero-title {
    font-size: 3.5rem;
  }
  .page-faq .faq-hero-desc {
    font-size: 1.15rem;
  }
  .page-faq .faq-hero-visual {
    flex: 0 0 300px;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-faq .faq-index {
    width: 220px;
    position: sticky;
    top: var(--space-lg, 2rem);
    padding: var(--space-lg, 2rem) var(--space-md, 1rem);
  }
  .page-faq .faq-index-list {
    flex-direction: column;
    gap: var(--space-sm, 0.5rem);
  }
  .page-faq .faq-index-link {
    display: block;
    white-space: normal;
    text-align: left;
  }

  .page-faq .faq-content {
    flex: 1;
    min-width: 0;
  }

  .page-faq .faq-category-title {
    font-size: 1.75rem;
  }

  .page-faq .faq-contact-cards {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .page-faq .faq-contact-card {
    flex: 1 1 260px;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm, 0.5rem);
    border-left: none;
    border-top: 5px solid var(--faq-contact-accent);
    padding: var(--space-lg, 2rem);
  }
  .page-faq .faq-contact-card:hover {
    transform: translateY(-4px);
  }
  .page-faq .faq-contact-icon {
    font-size: 1.8rem;
    text-align: left;
  }
  .page-faq .faq-contact-label {
    min-width: auto;
  }
}

/* ===== 大桌面 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero-title {
    font-size: 4rem;
  }
  .page-faq .faq-index {
    width: 260px;
  }
  .page-faq .faq-contact-card {
    flex: 1 1 280px;
  }
}

.page-faq {
  --faq-shadow-sm: var(--shadow-sm);
}