.page-faq {
  --faq-bg-primary: #F8F9FA;
  --faq-bg-alt: #FFFFFF;
  --faq-border-color: #E6E8EB;
  --faq-accent-bar: var(--color-primary, #0B1D3A);
  --faq-accent-orange: var(--color-accent-orange, #FF6B35);
  --faq-accent-green: var(--color-accent-green, #00C9A7);
  --faq-text-dark: var(--color-dark, #1A1A1A);
  --faq-text-muted: #5A5E66;
  --faq-card-radius: 8px;
  --faq-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  background: var(--faq-bg-alt);
  font-family: var(--primary-font, "Inter", system-ui, sans-serif);
  color: var(--faq-text-dark);
  line-height: 1.6;
}

/* ── 面包屑 ── */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 24px 0;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  font-size: 0.875rem;
  color: var(--faq-text-muted);
}
.page-faq .breadcrumb-link {
  color: var(--color-primary-light, #1C3A6E);
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.2s ease);
}
.page-faq .breadcrumb-link:hover {
  opacity: 0.75;
  text-decoration: underline;
}
.page-faq .breadcrumb-sep {
  color: var(--faq-border-color);
  font-weight: 300;
}
.page-faq .breadcrumb-current {
  font-weight: 500;
  color: var(--faq-text-dark);
}

/* ── 视觉隐藏 ── */
.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── 英雄区 ── */
.page-faq .faq-hero {
  padding: 40px 24px 32px;
  background: var(--faq-bg-primary);
  border-bottom: 1px solid var(--faq-border-color);
}
.page-faq .faq-hero .container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  position: relative;
}
.page-faq .faq-hero-code {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-accent-orange, #FF6B35);
  background: rgba(255, 107, 53, 0.08);
  padding: 4px 14px;
  border: 1px solid rgba(255, 107, 53, 0.2);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-faq .faq-hero-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--color-primary, #0B1D3A);
  letter-spacing: -0.02em;
}
.page-faq .faq-hero-desc {
  font-size: 1.05rem;
  color: var(--faq-text-muted);
  max-width: 680px;
  margin: 0;
}

/* ── 搜索区 ── */
.page-faq .faq-search-wrap {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 28px 24px 16px;
}
.page-faq .faq-search-inner {
  position: relative;
  display: flex;
  align-items: center;
}
.page-faq .faq-search-input {
  width: 100%;
  padding: 14px 20px 14px 52px;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--faq-border-color);
  border-radius: var(--faq-card-radius);
  background: var(--faq-bg-alt);
  color: var(--faq-text-dark);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  outline: none;
}
.page-faq .faq-search-input:focus {
  border-color: var(--color-primary, #0B1D3A);
  box-shadow: 0 0 0 3px rgba(11, 29, 58, 0.08);
}
.page-faq .faq-search-input::placeholder {
  color: #ADB1B8;
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faq-text-muted);
  display: flex;
  align-items: center;
  pointer-events: none;
}
.page-faq .faq-search-hint {
  font-size: 0.8rem;
  color: var(--faq-text-muted);
  margin: 8px 0 0;
  letter-spacing: 0.01em;
}

/* ── 区块通用 ── */
.page-faq .faq-section {
  padding: 48px 24px;
  background: var(--faq-bg-primary);
  border-bottom: 1px solid var(--faq-border-color);
  position: relative;
}
.page-faq .faq-section--alt {
  background: var(--faq-bg-alt);
}
.page-faq .faq-section .container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
}
.page-faq .faq-section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
  position: relative;
}
.page-faq .faq-section-header .section-number {
  font-family: var(--font-mono, "Courier New", Courier, monospace);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-primary, #0B1D3A);
  opacity: 0.25;
  line-height: 1;
  letter-spacing: -0.03em;
}
.page-faq .faq-section-header .section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary, #0B1D3A);
  letter-spacing: -0.01em;
  border-left: 4px solid var(--faq-accent-bar);
  padding-left: 16px;
}
.page-faq .faq-section--alt .faq-section-header .section-title {
  border-left-color: var(--faq-accent-orange);
}
.page-faq .faq-section[data-faq-section="chart"] .faq-section-header .section-title {
  border-left-color: var(--faq-accent-green);
}

/* ── 区块主体（图文混排） ── */
.page-faq .faq-section-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-faq .faq-section-body--has-visual {
  gap: 36px;
}
.page-faq .faq-section-visual {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.page-faq .faq-section-visual--right {
  align-items: flex-end;
}
.page-faq .faq-visual-img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.06));
  border: 1px solid var(--faq-border-color);
}
.page-faq .faq-section-visual .tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border: 1px solid currentColor;
  background: transparent;
}
.page-faq .faq-section-visual .tag-green {
  color: var(--faq-accent-green);
  border-color: var(--faq-accent-green);
}
.page-faq .faq-section-visual .tag-orange {
  color: var(--faq-accent-orange);
  border-color: var(--faq-accent-orange);
}

/* ── 问答卡片 ── */
.page-faq .faq-section-questions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.page-faq .faq-card {
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-card-radius);
  background: var(--faq-bg-alt);
  overflow: hidden;
  transition: box-shadow var(--faq-transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.page-faq .faq-card:hover {
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.06));
}
.page-faq .faq-card[open] {
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.06));
  border-color: var(--color-primary-light, #1C3A6E);
}
.page-faq .faq-card-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.4;
  position: relative;
  transition: background var(--faq-transition);
}
.page-faq .faq-card-summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-card-summary:hover {
  background: rgba(11, 29, 58, 0.02);
}
.page-faq .faq-q-index {
  font-family: var(--font-mono, "Courier New", Courier, monospace);
  font-size: 0.8rem;
  color: var(--color-accent-orange, #FF6B35);
  background: rgba(255, 107, 53, 0.08);
  padding: 2px 8px;
  border: 1px solid rgba(255, 107, 53, 0.15);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.page-faq .faq-q-text {
  flex: 1;
  min-width: 0;
  color: var(--faq-text-dark);
}
.page-faq .faq-toggle-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--faq-transition);
  color: var(--faq-text-muted);
}
.page-faq .faq-toggle-icon::before,
.page-faq .faq-toggle-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--faq-transition);
}
.page-faq .faq-toggle-icon::before {
  width: 12px;
  height: 2px;
}
.page-faq .faq-toggle-icon::after {
  width: 2px;
  height: 12px;
}
.page-faq .faq-card[open] .faq-toggle-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.page-faq .faq-card[open] .faq-toggle-icon::before {
  transform: rotate(180deg);
}
.page-faq .faq-card[open] .faq-toggle-icon {
  color: var(--color-primary, #0B1D3A);
}
.page-faq .faq-card-answer {
  padding: 0 20px 20px;
  font-size: 0.92rem;
  color: var(--faq-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--faq-border-color);
  margin-top: -1px;
}
.page-faq .faq-card-answer p {
  margin: 16px 0 0;
}
.page-faq .faq-card-answer p:first-child {
  margin-top: 0;
}
.page-faq .faq-link {
  color: var(--color-primary-light, #1C3A6E);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.page-faq .faq-link:hover {
  color: var(--color-accent-orange, #FF6B35);
}

/* ── 区块附注 ── */
.page-faq .faq-section-note {
  margin-top: 20px;
  padding: 20px 0 0;
  border-top: 2px solid var(--faq-border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-faq .faq-section-note .print-border {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary, #0B1D3A);
}
.page-faq .faq-note-text {
  font-size: 0.88rem;
  color: var(--faq-text-muted);
  margin: 0;
  max-width: 600px;
}

/* ── 信任声明 ── */
.page-faq .trust-bar {
  background: var(--color-primary, #0B1D3A);
  color: var(--color-white, #FFFFFF);
  padding: 20px 24px;
}
.page-faq .trust-bar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  flex-wrap: wrap;
}
.page-faq .trust-icon {
  flex-shrink: 0;
  color: var(--color-accent-orange, #FF6B35);
  display: flex;
  align-items: center;
}
.page-faq .trust-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 400;
  opacity: 0.92;
}

/* ── 桌面端 ── */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 24px 40px;
  }
  .page-faq .faq-hero-title {
    font-size: 2.8rem;
  }
  .page-faq .faq-section {
    padding: 64px 24px;
  }
  .page-faq .faq-section-header {
    margin-bottom: 40px;
  }
  .page-faq .faq-section-header .section-number {
    font-size: 2rem;
  }
  .page-faq .faq-section-header .section-title {
    font-size: 1.75rem;
    padding-left: 20px;
  }
  .page-faq .faq-section-body--has-visual {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-faq .faq-section-visual {
    width: 340px;
    max-width: 35%;
  }
  .page-faq .faq-section-visual--right {
    order: 1;
  }
  .page-faq .faq-section-questions {
    flex: 1;
  }
  .page-faq .faq-card-summary {
    padding: 20px 24px;
    font-size: 1rem;
  }
  .page-faq .faq-card-answer {
    padding: 0 24px 24px;
  }
  .page-faq .faq-search-wrap {
    padding: 32px 24px 20px;
  }
  .page-faq .faq-search-input {
    padding: 16px 20px 16px 56px;
    font-size: 1.05rem;
  }
  .page-faq .trust-bar {
    padding: 24px;
  }
  .page-faq .trust-bar-inner {
    gap: 20px;
  }
}

/* ── 窄屏微调 ── */
@media (max-width: 500px) {
  .page-faq .faq-hero-title {
    font-size: 1.6rem;
  }
  .page-faq .faq-hero-desc {
    font-size: 0.92rem;
  }
  .page-faq .faq-card-summary {
    padding: 14px 16px;
    font-size: 0.88rem;
    gap: 10px;
  }
  .page-faq .faq-card-answer {
    padding: 0 16px 16px;
    font-size: 0.85rem;
  }
  .page-faq .faq-section {
    padding: 36px 16px;
  }
  .page-faq .faq-search-input {
    padding: 12px 14px 12px 44px;
    font-size: 0.92rem;
  }
  .page-faq .faq-search-icon {
    left: 14px;
  }
  .page-faq .faq-section-header .section-title {
    font-size: 1.2rem;
    padding-left: 12px;
  }
  .page-faq .faq-section-header .section-number {
    font-size: 1.2rem;
  }
  .page-faq .faq-section-visual {
    width: 100%;
  }
  .page-faq .faq-section-visual--right {
    align-items: flex-start;
  }
  .page-faq .breadcrumb {
    padding: 12px 16px 0;
    font-size: 0.8rem;
  }
  .page-faq .trust-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

.page-faq {
  --primary-font: inherit;
}