.page-faq {
  --faq-hero-bg: var(--color-primary, #2A7F6E);
  --faq-hero-text: var(--color-white, #fff);
  --faq-step-num-bg: var(--color-primary, #2A7F6E);
  --faq-step-num-color: var(--color-white, #fff);
  --faq-step-border: var(--color-border, #C8E6D9);
  --faq-step-shadow: var(--shadow-card, 0 2px 8px rgba(26,60,52,0.08));
  --faq-step-shadow-hover: var(--shadow-card-hover, 0 6px 20px rgba(26,60,52,0.14));
  --faq-connector-color: var(--color-border, #C8E6D9);
  --faq-progress-bg: rgba(255,255,255,0.35);
  --faq-progress-fill: var(--color-accent, #E8A34B);
  --faq-accordion-border: var(--color-border, #C8E6D9);
  --faq-accordion-hover-bg: rgba(42,127,110,0.04);
  --faq-breadcrumb-color: var(--color-text, #2D3748);
}

/* ── 面包屑 ── */
.page-faq .breadcrumb {
  padding: 1rem 0 0.25rem;
  font-family: var(--font-accent, 'Nunito', sans-serif);
  font-size: 0.825rem;
  color: var(--faq-breadcrumb-color);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.page-faq .breadcrumb-link {
  color: var(--color-link, #F0A050);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}
.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--color-accent, #E8A34B);
  text-decoration: underline;
}
.page-faq .breadcrumb-sep {
  color: var(--color-border, #C8E6D9);
  user-select: none;
}
.page-faq .breadcrumb-current {
  color: var(--color-heading, #1A3C34);
  font-weight: 600;
}

/* ── 首屏 ── */
.page-faq .hero-faq {
  position: relative;
  overflow: hidden;
  padding: 2.5rem 0 3rem;
  margin-bottom: 0;
}
.page-faq .hero-faq__bg-shape {
  position: absolute;
  top: -3rem;
  right: -4rem;
  width: 18rem;
  height: 18rem;
  background: var(--faq-hero-bg);
  opacity: 0.08;
  transform: rotate(18deg);
  clip-path: polygon(0 0, 100% 20%, 90% 100%, 0 80%);
  pointer-events: none;
}
.page-faq .hero-faq__inner {
  position: relative;
  z-index: 1;
}
.page-faq .hero-faq__title {
  font-family: var(--font-heading, 'Nunito', 'Noto Sans SC', sans-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-heading, #1A3C34);
  line-height: 1.2;
  margin: 0 0 0.5rem;
}
.page-faq .hero-faq__desc {
  font-family: var(--font-body, 'Merriweather', 'Noto Serif SC', serif);
  font-size: 1.05rem;
  color: var(--color-text, #2D3748);
  max-width: 36em;
  line-height: 1.6;
  margin: 0;
}

/* ── 章节通用 ── */
.page-faq .section {
  padding: 2.5rem 0;
}
.page-faq .section__header {
  margin-bottom: 2rem;
}
.page-faq .section-title {
  font-family: var(--font-heading, 'Nunito', 'Noto Sans SC', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading, #1A3C34);
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

/* ── 进度条 ── */
.page-faq .progress-track {
  width: 100%;
  height: 4px;
  background: var(--faq-progress-bg);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.page-faq .progress-track__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--faq-progress-fill);
  border-radius: 4px;
  animation: faqProgressFill 1.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
.page-faq .progress-track__fill--alt {
  background: var(--color-deep, #1B5E4A);
}
@keyframes faqProgressFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* ── 步骤列表 ── */
.page-faq .steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

/* ── 步骤卡片 ── */
.page-faq .card-step {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-bg, #F5F8F6);
  border: 1px solid var(--faq-step-border);
  border-radius: var(--radius-md, 8px);
  box-shadow: var(--faq-step-shadow);
  transition: box-shadow var(--transition-base, 0.25s ease), transform var(--transition-base, 0.25s ease);
  position: relative;
}
.page-faq .card-step:hover {
  box-shadow: var(--faq-step-shadow-hover);
  transform: translateY(-2px);
}
.page-faq .card-step__num {
  flex: 0 0 2.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--faq-step-num-bg);
  color: var(--faq-step-num-color);
  font-family: var(--font-accent, 'Nunito', sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: var(--radius-sm, 4px);
  line-height: 1;
}
.page-faq .card-step__body {
  flex: 1 1 12rem;
  min-width: 0;
}
.page-faq .card-step__title {
  font-family: var(--font-heading, 'Nunito', 'Noto Sans SC', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-heading, #1A3C34);
  margin: 0 0 0.35rem;
}
.page-faq .card-step__text {
  font-family: var(--font-body, 'Merriweather', 'Noto Serif SC', serif);
  font-size: 0.925rem;
  color: var(--color-text, #2D3748);
  line-height: 1.7;
  margin: 0;
}
.page-faq .card-step__link {
  color: var(--color-link, #F0A050);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-base, 0.25s ease);
}
.page-faq .card-step__link:hover,
.page-faq .card-step__link:focus-visible {
  color: var(--color-accent, #E8A34B);
}
.page-faq .card-step__fig {
  flex: 0 0 auto;
  margin: 0.5rem 0 0;
  width: 100%;
  max-width: 9rem;
  border-radius: var(--radius-sm, 4px);
  overflow: hidden;
  border: 1px solid var(--faq-step-border);
}
.page-faq .card-step__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 200 / 300;
}

/* ── 步骤连接线 ── */
.page-faq .step-connector {
  width: 2px;
  height: 1.25rem;
  background: var(--faq-connector-color);
  margin-left: 1.25rem;
  flex-shrink: 0;
}

/* ── 修复章节交替背景 ── */
.page-faq .section-repair-network {
  background: var(--color-white, #fff);
}
.page-faq .section-repair-login {
  background: var(--color-bg, #F5F8F6);
}
.page-faq .section-other-faq {
  background: var(--color-white, #fff);
}

/* ── 手风琴 ── */
.page-faq .accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.page-faq .accordion-item {
  border: 1px solid var(--faq-accordion-border);
  border-radius: var(--radius-md, 8px);
  background: var(--color-bg, #F5F8F6);
  transition: border-color var(--transition-base, 0.25s ease);
  overflow: hidden;
}
.page-faq .accordion-item[open] {
  border-color: var(--color-primary, #2A7F6E);
}
.page-faq .accordion-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-family: var(--font-accent, 'Nunito', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-heading, #1A3C34);
  background: transparent;
  transition: background var(--transition-base, 0.25s ease);
  position: relative;
}
.page-faq .accordion-trigger::-webkit-details-marker {
  display: none;
}
.page-faq .accordion-trigger:hover,
.page-faq .accordion-trigger:focus-visible {
  background: var(--faq-accordion-hover-bg);
}
.page-faq .accordion-trigger__icon-wrap {
  flex: 0 0 2.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm, 4px);
  overflow: hidden;
  background: var(--color-white, #fff);
  border: 1px solid var(--faq-accordion-border);
}
.page-faq .accordion-trigger__icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}
.page-faq .accordion-trigger__text {
  flex: 1;
  line-height: 1.4;
}
.page-faq .accordion-trigger__arrow {
  flex: 0 0 1.25rem;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary, #2A7F6E);
  transition: transform var(--transition-base, 0.25s ease);
}
.page-faq .accordion-item[open] .accordion-trigger__arrow {
  transform: rotate(180deg);
}
.page-faq .accordion-panel {
  padding: 0 1rem 1rem 3.25rem;
  animation: faqAccordionFadeIn 0.3s ease;
}
.page-faq .accordion-panel__text {
  font-family: var(--font-body, 'Merriweather', 'Noto Serif SC', serif);
  font-size: 0.925rem;
  color: var(--color-text, #2D3748);
  line-height: 1.7;
  margin: 0;
}
.page-faq .accordion-panel__link {
  color: var(--color-link, #F0A050);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-base, 0.25s ease);
}
.page-faq .accordion-panel__link:hover,
.page-faq .accordion-panel__link:focus-visible {
  color: var(--color-accent, #E8A34B);
}
@keyframes faqAccordionFadeIn {
  from { opacity: 0; transform: translateY(-0.25rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 响应式 ── */
@media (min-width: 640px) {
  .page-faq .hero-faq {
    padding: 3.5rem 0 4rem;
  }
  .page-faq .hero-faq__title {
    font-size: 2.5rem;
  }
  .page-faq .hero-faq__desc {
    font-size: 1.125rem;
  }
  .page-faq .hero-faq__bg-shape {
    width: 24rem;
    height: 24rem;
    top: -5rem;
    right: -6rem;
  }
  .page-faq .section {
    padding: 3.5rem 0;
  }
  .page-faq .section-title {
    font-size: 1.75rem;
  }
  .page-faq .card-step {
    flex-wrap: nowrap;
    padding: 1.5rem 1.75rem;
    gap: 1.25rem;
  }
  .page-faq .card-step__num {
    flex: 0 0 3rem;
    width: 3rem;
    height: 3rem;
    font-size: 1.3rem;
  }
  .page-faq .card-step__fig {
    flex: 0 0 7.5rem;
    max-width: 7.5rem;
    margin: 0;
  }
  .page-faq .step-connector {
    height: 1.5rem;
    margin-left: 1.5rem;
  }
  .page-faq .accordion-trigger {
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }
  .page-faq .accordion-panel {
    padding: 0 1.25rem 1.25rem 3.5rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .hero-faq {
    padding: 4.5rem 0 5rem;
  }
  .page-faq .hero-faq__title {
    font-size: 3rem;
  }
  .page-faq .hero-faq__bg-shape {
    width: 30rem;
    height: 30rem;
    top: -7rem;
    right: -8rem;
  }
  .page-faq .section {
    padding: 4rem 0;
  }
  .page-faq .section-title {
    font-size: 2rem;
  }
  .page-faq .card-step {
    padding: 1.75rem 2rem;
  }
  .page-faq .card-step__fig {
    flex: 0 0 9rem;
    max-width: 9rem;
  }
}