.page-faq {
  --faq-bg-alt: var(--color-bg-secondary, #F0F2F5);
  --faq-border-radius: 0px;
  --faq-accordion-transition: 0.25s ease;
  display: block;
  width: 100%;
  max-width: 100%;
  background: var(--color-bg, #FFFFFF);
  color: var(--color-text, #1A1A1A);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.6;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-secondary, #666);
  margin-bottom: 1.2rem;
  padding: 0.5rem 0;
}

.page-faq .breadcrumb a {
  color: var(--color-text-secondary, #666);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-accordion-transition);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-brand, #FF6B35);
  color: var(--color-brand, #FF6B35);
}

.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--color-text, #1A1A1A);
  font-weight: 600;
}

/* ===== Hero 区 ===== */
.page-faq .faq-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: var(--border-thick, 3px solid #333);
  margin-bottom: 0;
  background: var(--color-bg, #FFFFFF);
}

.page-faq .faq-hero .hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.page-faq .hero-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 0.25rem;
}

.page-faq .faq-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text, #1A1A1A);
  text-transform: uppercase;
}

.page-faq .hero-desc {
  font-size: 1rem;
  color: var(--color-text-secondary, #666);
  max-width: 640px;
  margin: 0;
  font-weight: 300;
}

/* ===== 每个区块 ===== */
.page-faq .faq-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border, #333);
}

.page-faq .faq-section:last-of-type {
  border-bottom: none;
}

.page-faq .section-index {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-brand, #FF6B35);
  margin: 0 0 0.3rem;
  letter-spacing: 0.05em;
}

.page-faq .section-lead {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-text-secondary, #666);
  margin: 0 0 1.8rem;
  max-width: 580px;
}

/* ===== 折叠面板网格 ===== */
.page-faq .accordion-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ===== 单个折叠项 ===== */
.page-faq .accordion-item {
  background: var(--color-bg, #FFFFFF);
  border: var(--border-thick, 3px solid #333);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(0,0,0,0.15));
  transition: box-shadow var(--faq-accordion-transition), transform var(--faq-accordion-transition);
  overflow: hidden;
}

.page-faq .accordion-item:hover {
  box-shadow: var(--shadow-hover, 12px 12px 0 rgba(0,0,0,0.2));
  transform: translate(-2px, -2px);
}

.page-faq .accordion-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--faq-accordion-transition);
  position: relative;
}

.page-faq .accordion-header:hover {
  background: var(--faq-bg-alt, #F0F2F5);
}

.page-faq .accordion-header:focus-visible {
  outline: 3px solid var(--color-brand, #FF6B35);
  outline-offset: -3px;
}

.page-faq .q-num {
  flex-shrink: 0;
  min-width: 2.2rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-brand, #FF6B35);
  text-align: right;
}

.page-faq .accordion-title {
  flex: 1;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--color-text, #1A1A1A);
}

.page-faq .accordion-icon {
  flex-shrink: 0;
  width: 1.4rem;
  height: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-brand, #FF6B35);
  transition: transform var(--faq-accordion-transition);
  line-height: 1;
}

.page-faq .accordion-item[data-expandable][data-open] .accordion-icon {
  transform: rotate(45deg);
}

/* ===== 折叠体 ===== */
.page-faq .accordion-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--faq-accordion-transition);
  border-top: 1px solid transparent;
}

.page-faq .accordion-item[data-expandable][data-open] .accordion-body {
  grid-template-rows: 1fr;
  border-top-color: var(--color-border, #333);
}

.page-faq .accordion-body-inner {
  overflow: hidden;
  padding: 0 1.2rem;
  padding-right: calc(1.2rem + 1.6rem);
  opacity: 0;
  transition: opacity 0.2s ease, padding 0.3s ease;
}

.page-faq .accordion-item[data-expandable][data-open] .accordion-body-inner {
  opacity: 1;
  padding-top: 1.2rem;
  padding-bottom: 1.5rem;
}

.page-faq .accordion-body-inner p {
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  color: var(--color-text, #1A1A1A);
  font-weight: 300;
  line-height: 1.7;
}

.page-faq .accordion-body-inner p:last-child {
  margin-bottom: 0;
}

/* ===== 内联图片 ===== */
.page-faq .faq-inline-img {
  width: 100%;
  max-width: 180px;
  height: auto;
  object-fit: contain;
  float: right;
  margin: 0 0 0.8rem 1rem;
  border: 2px solid var(--color-border, #333);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(0,0,0,0.15));
}

/* ===== 联系列表 ===== */
.page-faq .contact-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-faq .contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--color-text, #1A1A1A);
}

.page-faq .contact-list li .mono-index {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--color-brand, #FF6B35);
  margin-top: 0.1rem;
}

.page-faq .contact-list a {
  color: var(--color-blue, #004E8C);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--faq-accordion-transition);
}

.page-faq .contact-list a:hover,
.page-faq .contact-list a:focus-visible {
  color: var(--color-brand, #FF6B35);
}

.page-faq .contact-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #666);
  font-style: italic;
  margin-top: 0.3rem;
}

/* ===== CTA 区块 ===== */
.page-faq .faq-cta {
  padding: 2rem 0 3rem;
  background: var(--faq-bg-alt, #F0F2F5);
  border-top: var(--border-thick, 3px solid #333);
}

.page-faq .cta-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--color-bg-dark, #1A1A1A);
  border: var(--border-thick, 3px solid #333);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(0,0,0,0.15));
  color: #FFFFFF;
}

.page-faq .cta-card .mono-index {
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--color-brand, #FF6B35);
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .cta-card p {
  margin: 0;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.6;
  color: #EEEEEE;
}

.page-faq .cta-card a {
  color: var(--color-brand, #FF6B35);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--faq-accordion-transition);
}

.page-faq .cta-card a:hover,
.page-faq .cta-card a:focus-visible {
  color: #FFFFFF;
}

/* ===== 容器 ===== */
.page-faq .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* ===== 移动端优先 (窄屏) ===== */
@media (max-width: 639px) {
  .page-faq .faq-hero h1 {
    font-size: 1.8rem;
  }

  .page-faq .hero-icon {
    width: 48px;
    height: 48px;
  }

  .page-faq .accordion-header {
    padding: 0.85rem 1rem;
    gap: 0.5rem;
  }

  .page-faq .accordion-title {
    font-size: 0.92rem;
  }

  .page-faq .q-num {
    min-width: 1.8rem;
    font-size: 0.78rem;
  }

  .page-faq .accordion-body-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-faq .faq-inline-img {
    max-width: 120px;
    float: none;
    display: block;
    margin: 0 auto 0.8rem;
  }

  .page-faq .accordion-body-inner p {
    font-size: 0.9rem;
  }

  .page-faq .cta-card {
    flex-direction: column;
    text-align: center;
    padding: 1.2rem 1rem;
  }

  .page-faq .cta-card .mono-index {
    font-size: 1.8rem;
  }

  .page-faq .section-lead {
    font-size: 0.95rem;
  }

  .page-faq .contact-list li {
    font-size: 0.88rem;
  }
}

/* ===== 桌面端 ≥640px ===== */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 3.5rem 0 2rem;
  }

  .page-faq .faq-hero .hero-content {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.5rem;
  }

  .page-faq .hero-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 0;
  }

  .page-faq .faq-hero h1 {
    font-size: 2.8rem;
  }

  .page-faq .hero-desc {
    width: 100%;
    font-size: 1.1rem;
  }

  .page-faq .faq-section {
    padding: 3rem 0;
  }

  .page-faq .section-index {
    font-size: 0.9rem;
  }

  .page-faq .section-lead {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .page-faq .accordion-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }

  .page-faq .accordion-item {
    break-inside: avoid;
  }

  .page-faq .accordion-header {
    padding: 1.2rem 1.5rem;
  }

  .page-faq .accordion-title {
    font-size: 1.05rem;
  }

  .page-faq .accordion-body-inner {
    padding-left: 1.5rem;
    padding-right: 2.5rem;
  }

  .page-faq .faq-inline-img {
    max-width: 200px;
  }

  .page-faq .cta-card {
    padding: 1.8rem 2.5rem;
    flex-direction: row;
  }

  .page-faq .container {
    padding: 0 2rem;
  }
}

/* ===== 大桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero h1 {
    font-size: 3.2rem;
  }

  .page-faq .accordion-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-faq .faq-section {
    padding: 3.5rem 0;
  }

  .page-faq .container {
    padding: 0 3rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-faq .accordion-body {
    grid-template-rows: 1fr !important;
    border-top-color: var(--color-border, #333) !important;
  }

  .page-faq .accordion-body-inner {
    opacity: 1 !important;
    padding-top: 1.2rem !important;
    padding-bottom: 1.5rem !important;
  }

  .page-faq .accordion-icon {
    display: none;
  }

  .page-faq .accordion-header {
    cursor: default;
  }

  .page-faq .faq-cta {
    break-inside: avoid;
  }
}