/* ===== 页面专属CSS：.page-faq ===== */
.page-faq {
  --faq-bg: #F5E6C8;
  --faq-bg-card: #FFFFFF;
  --faq-border: rgba(138,43,226,0.25);
  --faq-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --faq-radius: 0;
  --faq-step-bg: #1A1A1A;
  --faq-step-text: #FFFFFF;
  --faq-code-bg: #1A1A1A;
  --faq-code-text: #E0E0E0;
  --faq-highlight: #FFD700;
  --faq-accent: #00BFFF;
  --faq-purple: #8A2BE2;
  --faq-text-dark: #2F2F2F;
  --faq-text-light: #BFBFBF;
  --faq-gap: 32px;
  --faq-inner-gap: 16px;

  display: block;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 24px var(--space-sm, 16px) var(--space-xxl, 64px);
  background-color: var(--faq-bg);
  color: var(--faq-text-dark);
  font-family: var(--font-body, sans-serif);
  line-height: 1.6;
  min-height: 60vh;
}

/* 面包屑（继承全局 .breadcrumb 样式，此处仅作间距微调） */
.page-faq .breadcrumb {
  margin-bottom: var(--space-md, 24px);
  font-size: var(--fs-small, 0.75rem);
}

/* 主标题 */
.page-faq .faq-main-title {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-h1, 2rem);
  margin: 0 0 var(--space-lg, 32px);
  letter-spacing: -0.02em;
  color: var(--faq-text-dark);
  line-height: 1.1;
}

/* 搜索框 */
.page-faq .faq-search-wrap {
  position: relative;
  margin-bottom: var(--space-xl, 48px);
  max-width: 600px;
}

.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: var(--fs-body, 1rem);
  font-family: var(--font-body, sans-serif);
  background: #FFFFFF;
  border: 2px solid var(--faq-border);
  border-radius: var(--faq-radius);
  color: var(--faq-text-dark);
  outline: none;
  transition: border-color var(--transition-fast, 0.2s), box-shadow var(--transition-fast, 0.2s);
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search-input:focus {
  border-color: var(--faq-accent);
  box-shadow: 0 0 0 3px rgba(0,191,255,0.2);
}

.page-faq .faq-search-input::placeholder {
  color: var(--faq-text-light);
  opacity: 0.8;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--faq-text-light);
  pointer-events: none;
  line-height: 1;
}

/* 分类快速导航 */
.page-faq .faq-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs, 8px) var(--space-sm, 16px);
  margin-bottom: var(--space-xl, 48px);
  padding: var(--space-sm, 16px) 0;
  border-top: 2px solid var(--faq-border);
  border-bottom: 2px solid var(--faq-border);
}

.page-faq .faq-category-link {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-small, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faq-text-dark);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color var(--transition-fast, 0.2s);
}

.page-faq .faq-category-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--faq-purple);
  transition: width var(--transition-fast, 0.2s);
}

.page-faq .faq-category-link:hover,
.page-faq .faq-category-link:focus {
  color: var(--faq-purple);
}

.page-faq .faq-category-link:hover::after,
.page-faq .faq-category-link:focus::after {
  width: 100%;
}

/* 每个分类区 */
.page-faq .faq-section {
  margin-bottom: var(--space-xxl, 64px);
  scroll-margin-top: 80px;
}

.page-faq .faq-section-title {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-h2, 1.5rem);
  margin: 0 0 var(--space-md, 24px);
  display: flex;
  align-items: center;
  gap: var(--space-sm, 16px);
  color: var(--faq-text-dark);
  line-height: 1.2;
}

.page-faq .faq-section-title .section-number {
  font-family: var(--font-mono, monospace);
  font-size: var(--fs-h3, 1.125rem);
  color: var(--faq-accent);
  display: inline-block;
  min-width: 2.2em;
}

.page-faq .faq-section-desc {
  margin: -12px 0 var(--space-lg, 32px);
  font-size: var(--fs-body, 1rem);
  color: var(--faq-text-dark);
  opacity: 0.85;
}

/* 折叠面板（手风琴） */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs, 8px);
}

.page-faq .faq-item {
  background: var(--faq-bg-card);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: box-shadow var(--transition-medium, 0.3s);
}

.page-faq .faq-item[open] {
  box-shadow: 0 2px 12px rgba(0,191,255,0.08);
  border-color: var(--faq-accent);
}

.page-faq .faq-question {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-body, 1rem);
  padding: var(--space-sm, 16px) var(--space-md, 24px);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--faq-text-dark);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--transition-fast, 0.2s);
}

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

.page-faq .faq-question::after {
  content: '+';
  font-family: var(--font-mono, monospace);
  font-size: 1.25rem;
  color: var(--faq-purple);
  flex-shrink: 0;
  margin-left: var(--space-sm, 16px);
  transition: transform var(--transition-medium, 0.3s);
  line-height: 1;
}

.page-faq .faq-item[open] .faq-question::after {
  content: '−';
  transform: rotate(0deg);
}

.page-faq .faq-question:hover,
.page-faq .faq-question:focus {
  background: rgba(138,43,226,0.04);
}

.page-faq .faq-answer {
  padding: 0 var(--space-md, 24px) var(--space-sm, 16px);
  font-size: var(--fs-body, 1rem);
  color: var(--faq-text-dark);
  line-height: 1.7;
}

.page-faq .faq-answer p {
  margin: 0 0 0.5em;
}

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

.page-faq .faq-answer a {
  color: var(--faq-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast, 0.2s);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus {
  color: var(--faq-purple);
}

/* 记录找回步骤卡片 */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-bottom: var(--space-sm, 16px);
}

.page-faq .faq-step-card {
  background: var(--faq-step-bg);
  color: var(--faq-step-text);
  padding: var(--space-md, 24px);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 16px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--faq-radius);
  position: relative;
}

.page-faq .faq-step-num {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--faq-accent);
  margin-bottom: var(--space-xs, 8px);
  display: block;
}

.page-faq .faq-step-content {
  flex: 1;
}

.page-faq .faq-step-title {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-h3, 1.125rem);
  margin: 0 0 var(--space-xs, 8px);
  color: #FFFFFF;
  line-height: 1.2;
}

.page-faq .faq-step-text {
  font-size: var(--fs-body, 1rem);
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  margin: 0;
}

.page-faq .faq-step-img {
  width: 100%;
  max-width: 360px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--faq-radius);
  overflow: hidden;
  margin-top: var(--space-xs, 8px);
}

.page-faq .faq-step-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-step-footnote {
  font-size: var(--fs-small, 0.75rem);
  color: var(--faq-text-dark);
  opacity: 0.75;
  margin-top: var(--space-sm, 16px);
  padding: var(--space-xs, 8px) var(--space-sm, 16px);
  border-left: 3px solid var(--faq-accent);
}

/* 面板代码区域 */
.page-faq .faq-code-wrap {
  background: var(--faq-bg-card);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  padding: var(--space-md, 24px);
}

.page-faq .faq-code-intro {
  margin: 0 0 var(--space-md, 24px);
  font-size: var(--fs-body, 1rem);
  color: var(--faq-text-dark);
}

.page-faq .faq-code-details {
  background: transparent;
  border: none;
  border-radius: 0;
  border-top: 1px solid var(--faq-border);
  padding-top: var(--space-sm, 16px);
}

.page-faq .faq-code-details .faq-question {
  padding-left: 0;
  padding-right: 0;
  background: transparent;
}

.page-faq .faq-code-details .faq-question::after {
  color: var(--faq-accent);
}

.page-faq .faq-code-block {
  padding: var(--space-sm, 16px) 0 0 !important;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 16px);
}

.page-faq .faq-code-pre {
  background: var(--faq-code-bg);
  color: var(--faq-code-text);
  padding: var(--space-sm, 16px);
  overflow-x: auto;
  font-family: var(--font-mono, monospace);
  font-size: var(--fs-small, 0.75rem);
  line-height: 1.5;
  border-radius: var(--faq-radius);
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.page-faq .faq-code-pre code {
  font-family: inherit;
}

.page-faq .faq-code-img {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-code-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-code-note {
  margin: var(--space-sm, 16px) 0 0;
  font-size: var(--fs-small, 0.75rem);
  color: var(--faq-text-light);
}

/* 其他问题 - 快速链接 */
.page-faq .faq-quick-links {
  margin-top: var(--space-lg, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm, 16px);
  padding: var(--space-sm, 16px) 0;
  border-top: 2px solid var(--faq-border);
}

.page-faq .faq-quick-label {
  font-family: var(--font-heading, 'Arial Black', sans-serif);
  font-size: var(--fs-small, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--faq-text-dark);
}

.page-faq .faq-quick-links .btn--outline {
  font-size: var(--fs-small, 0.75rem);
  padding: 6px 16px;
  border: 2px solid var(--faq-border);
  color: var(--faq-text-dark);
  background: transparent;
  border-radius: var(--faq-radius);
  text-decoration: none;
  transition: border-color var(--transition-fast, 0.2s), color var(--transition-fast, 0.2s);
  font-family: var(--font-body, sans-serif);
  cursor: pointer;
}

.page-faq .faq-quick-links .btn--outline:hover,
.page-faq .faq-quick-links .btn--outline:focus {
  border-color: var(--faq-purple);
  color: var(--faq-purple);
}

/* 信任声明 */
.page-faq .faq-trust-badge {
  margin-top: var(--space-xxl, 64px);
  padding: var(--space-sm, 16px) var(--space-md, 24px);
  background: var(--faq-step-bg);
  color: var(--faq-step-text);
  font-size: var(--fs-small, 0.75rem);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--faq-radius);
  letter-spacing: 0.02em;
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 640px) {
  .page-faq {
    padding: var(--space-lg, 32px) var(--space-md, 24px) var(--space-xxl, 64px);
  }

  .page-faq .faq-main-title {
    font-size: var(--fs-h1, 2.5rem);
  }

  .page-faq .faq-section-title {
    font-size: var(--fs-h2, 2rem);
  }

  .page-faq .faq-question {
    font-size: 1.0625rem;
    padding: var(--space-sm, 16px) var(--space-lg, 32px);
  }

  .page-faq .faq-answer {
    padding-left: var(--space-lg, 32px);
    padding-right: var(--space-lg, 32px);
  }

  .page-faq .faq-steps {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-step-card {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-faq .faq-step-num {
    font-size: 3rem;
    position: absolute;
    top: var(--space-md, 24px);
    right: var(--space-md, 24px);
    margin-bottom: 0;
    opacity: 0.15;
    color: var(--faq-accent);
  }

  .page-faq .faq-step-img {
    max-width: 260px;
    margin-top: 0;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .page-faq {
    padding: var(--space-xl, 48px) var(--space-lg, 32px) var(--space-xxl, 80px);
  }

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

  .page-faq .faq-step-card {
    flex-direction: column;
    padding: var(--space-lg, 32px);
  }

  .page-faq .faq-step-num {
    position: static;
    font-size: 2.5rem;
    opacity: 1;
    color: var(--faq-accent);
    margin-bottom: var(--space-xs, 8px);
  }

  .page-faq .faq-step-img {
    max-width: 100%;
    margin-top: var(--space-xs, 8px);
  }

  .page-faq .faq-code-block {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-faq .faq-code-pre {
    flex: 1;
  }

  .page-faq .faq-code-img {
    max-width: 300px;
    flex-shrink: 0;
  }

  .page-faq .faq-search-wrap {
    max-width: 480px;
  }

  .page-faq .faq-category-nav {
    gap: var(--space-md, 24px);
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search-input,
  .page-faq .faq-category-link,
  .page-faq .faq-category-link::after,
  .page-faq .faq-item,
  .page-faq .faq-question,
  .page-faq .faq-question::after {
    transition: none !important;
  }

  .page-faq .faq-item[open] {
    box-shadow: none;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-faq {
    background: #FFFFFF;
    color: #000000;
    padding: 20px;
  }

  .page-faq .faq-search-wrap,
  .page-faq .faq-category-nav,
  .page-faq .faq-quick-links {
    display: none;
  }

  .page-faq .faq-item {
    border: 1px solid #CCCCCC;
    box-shadow: none;
    break-inside: avoid;
  }

  .page-faq .faq-question::after {
    content: ' ►';
  }

  .page-faq .faq-step-card {
    background: #F5F5F5;
    color: #000000;
    border: 1px solid #CCCCCC;
  }

  .page-faq .faq-step-title {
    color: #000000;
  }

  .page-faq .faq-step-text {
    color: #333333;
  }

  .page-faq .faq-trust-badge {
    background: #F0F0F0;
    color: #333333;
    border-color: #CCCCCC;
  }
}