.page-faq {
  --faq-hero-bg: linear-gradient(135deg, rgba(0,196,180,0.12) 0%, rgba(255,107,53,0.06) 100%);
  --faq-glass-bg: rgba(255,255,255,0.06);
  --faq-glass-border: rgba(255,255,255,0.10);
  --faq-number-color: var(--brand, #00C4B4);
  --faq-active-bg: rgba(0,196,180,0.10);
  --faq-radius: 12px;
  --faq-transition: 0.30s cubic-bezier(0.25,0.46,0.45,0.94);
  display: flex;
  flex-direction: column;
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  padding: calc(var(--header-h, 72px) + 16px) var(--gap, 24px) 48px;
  color: var(--text-primary, #FFFFFF);
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  min-height: 100vh;
}

/* ===== 面包屑 ===== */
.faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-family: var(--font-heading, system-ui, sans-serif);
  color: var(--text-secondary, #B0BEC5);
  margin-bottom: 12px;
}
.faq-breadcrumb a {
  color: var(--brand, #00C4B4);
  text-decoration: none;
  transition: opacity 0.2s;
}
.faq-breadcrumb a:hover {
  opacity: 0.75;
}
.faq-breadcrumb-sep {
  color: var(--text-secondary, #B0BEC5);
  margin: 0 2px;
}
.faq-breadcrumb-current {
  color: var(--text-primary, #FFFFFF);
  font-weight: 500;
}

/* ===== Hero 区 ===== */
.faq-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap, 24px);
  padding: 32px 0 28px;
  background: var(--faq-hero-bg);
  border-radius: var(--faq-radius);
  margin-bottom: 32px;
  padding-left: 28px;
  padding-right: 28px;
  flex-wrap: wrap;
}
.faq-hero-text {
  flex: 1 1 240px;
}
.faq-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.15;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  color: var(--text-primary, #FFFFFF);
}
.faq-subtitle {
  font-size: 1rem;
  color: var(--text-secondary, #B0BEC5);
  margin: 0;
  line-height: 1.5;
  max-width: 520px;
  font-family: var(--font-heading, system-ui, sans-serif);
}
.faq-hero-image {
  flex: 0 0 auto;
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 8px;
  opacity: 0.85;
}

/* ===== 左右分屏布局 ===== */
.faq-layout {
  display: flex;
  gap: var(--gap, 24px);
  flex: 1;
  min-height: 480px;
}

/* ===== 左侧问题列表 ===== */
.faq-list-panel {
  flex: 0 0 38%;
  max-width: 38%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-search-wrap {
  position: relative;
}
.faq-search-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--glass, rgba(255,255,255,0.08));
  border: 1px solid var(--faq-glass-border);
  border-radius: 8px;
  color: var(--text-primary, #FFFFFF);
  font-size: 0.95rem;
  font-family: var(--font-heading, system-ui, sans-serif);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  box-sizing: border-box;
}
.faq-search-input::placeholder {
  color: var(--text-secondary, #B0BEC5);
  opacity: 0.7;
}
.faq-search-input:focus {
  border-color: var(--brand, #00C4B4);
  box-shadow: 0 0 0 2px rgba(0,196,180,0.20);
}

/* 分类 */
.faq-category {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.faq-category-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand, #00C4B4);
  margin: 0 0 4px;
  padding-left: 4px;
}

/* 问题项 */
.faq-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.faq-item {
  border-radius: 8px;
  overflow: hidden;
  background: var(--faq-glass-bg);
  border: 1px solid transparent;
  transition: background var(--faq-transition), border-color var(--faq-transition);
}
.faq-item[data-open="true"] {
  background: var(--faq-active-bg);
  border-color: rgba(0,196,180,0.25);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 14px 14px 16px;
  background: transparent;
  border: none;
  color: var(--text-primary, #FFFFFF);
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1.4;
}
.faq-question:hover {
  color: var(--brand, #00C4B4);
}
.faq-number {
  flex: 0 0 auto;
  font-family: var(--font-data, 'Courier New', monospace);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--faq-number-color);
  width: 28px;
  line-height: 1;
}
.faq-text {
  flex: 1;
  min-width: 0;
}
.faq-icon {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--faq-transition);
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary, #B0BEC5);
  border-radius: 2px;
  transition: background 0.2s, transform var(--faq-transition);
}
.faq-icon::before {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}
.faq-icon::after {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}
.faq-item[data-open="true"] .faq-icon::before {
  transform: rotate(90deg);
  background: var(--brand, #00C4B4);
}
.faq-item[data-open="true"] .faq-icon::after {
  background: var(--brand, #00C4B4);
}

/* 答案 */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.40s ease, padding 0.30s ease;
  padding: 0 16px 0 54px;
  color: var(--text-secondary, #B0BEC5);
  font-size: 0.92rem;
  line-height: 1.6;
}
.faq-item[data-open="true"] .faq-answer {
  max-height: 320px;
  padding: 0 16px 16px 54px;
}
.faq-answer p {
  margin: 6px 0;
}
.faq-answer a {
  color: var(--brand, #00C4B4);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.faq-answer-image {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-top: 8px;
  display: block;
}

/* 联系列表 */
.faq-contact-list {
  margin: 6px 0;
  padding-left: 18px;
  list-style: disc;
}
.faq-contact-list li {
  margin-bottom: 4px;
}

/* ===== 右侧详情面板 ===== */
.faq-detail-panel {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: stretch;
}
.faq-detail-glass {
  flex: 1;
  background: var(--glass, rgba(255,255,255,0.08));
  border: 1px solid var(--faq-glass-border);
  border-radius: var(--faq-radius);
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.3s;
}
.faq-detail-placeholder {
  text-align: center;
}
.faq-detail-hint {
  color: var(--text-secondary, #B0BEC5);
  font-size: 1.05rem;
  font-family: var(--font-heading, system-ui, sans-serif);
  margin: 0;
  opacity: 0.7;
}

/* ===== 底部联系条 ===== */
.faq-contact-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 20px;
  margin-top: 40px;
  padding: 20px 28px;
  background: var(--faq-glass-bg);
  border: 1px solid var(--faq-glass-border);
  border-radius: var(--faq-radius);
}
.faq-contact-bar-text {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-primary, #FFFFFF);
}
.faq-contact-bar .btn-primary {
  background: var(--brand, #00C4B4);
  color: #1A1A2E;
  font-family: var(--font-heading, system-ui, sans-serif);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.25s, transform 0.15s;
  font-size: 0.95rem;
}
.faq-contact-bar .btn-primary:hover {
  background: #00d9c7;
  transform: scale(1.02);
}
.faq-contact-bar-info {
  font-size: 0.88rem;
  color: var(--text-secondary, #B0BEC5);
  font-family: var(--font-heading, system-ui, sans-serif);
  margin-left: auto;
}

/* ===== 底部相关资源 ===== */
.faq-footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-secondary, #B0BEC5);
  font-family: var(--font-heading, system-ui, sans-serif);
  border-top: 1px solid var(--faq-glass-border);
}
.faq-footer-links a {
  color: var(--brand, #00C4B4);
  text-decoration: none;
  transition: opacity 0.2s;
}
.faq-footer-links a:hover {
  opacity: 0.75;
}

/* ===== 移动端优先 + 响应式 ===== */
@media (max-width: 767px) {
  .page-faq {
    padding: calc(var(--header-h, 62px) + 12px) 16px 32px;
  }
  .faq-hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 18px;
    gap: 12px;
  }
  .faq-hero-image {
    width: 90px;
    height: 90px;
    align-self: flex-end;
    margin-top: -40px;
  }
  .faq-title {
    font-size: 1.7rem;
  }
  .faq-subtitle {
    font-size: 0.92rem;
  }
  .faq-layout {
    flex-direction: column;
    gap: 16px;
    min-height: auto;
  }
  .faq-list-panel {
    flex: 1;
    max-width: 100%;
  }
  .faq-detail-panel {
    min-height: 160px;
    order: -1;
  }
  .faq-detail-glass {
    padding: 18px 16px;
    min-height: 80px;
  }
  .faq-detail-hint {
    font-size: 0.92rem;
  }
  .faq-question {
    font-size: 0.90rem;
    padding: 12px 12px 12px 14px;
  }
  .faq-number {
    font-size: 0.95rem;
    width: 22px;
  }
  .faq-answer {
    padding: 0 14px 0 48px;
    font-size: 0.88rem;
  }
  .faq-item[data-open="true"] .faq-answer {
    padding: 0 14px 14px 48px;
  }
  .faq-contact-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px 20px;
  }
  .faq-contact-bar-info {
    margin-left: 0;
    font-size: 0.82rem;
    text-align: center;
  }
  .faq-contact-bar .btn-primary {
    text-align: center;
  }
  .faq-footer-links {
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: 0.80rem;
  }
  .faq-category-title {
    font-size: 0.80rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-faq {
    padding-left: 20px;
    padding-right: 20px;
  }
  .faq-list-panel {
    flex: 0 0 44%;
    max-width: 44%;
  }
  .faq-title {
    font-size: 1.9rem;
  }
  .faq-hero-image {
    width: 100px;
    height: 100px;
  }
  .faq-question {
    font-size: 0.90rem;
    padding: 12px 12px 12px 14px;
  }
  .faq-answer {
    padding: 0 14px 0 48px;
    font-size: 0.88rem;
  }
  .faq-item[data-open="true"] .faq-answer {
    padding: 0 14px 14px 48px;
  }
}

@media (min-width: 1024px) {
  .faq-hero {
    padding-left: 32px;
    padding-right: 32px;
  }
  .faq-title {
    font-size: 2.5rem;
  }
  .faq-list-panel {
    flex: 0 0 36%;
    max-width: 36%;
  }
}

/* ===== 图片响应式 ===== */
.faq-answer-image {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}
.faq-hero-image {
  max-width: 100%;
  height: auto;
}