.page-faq {
  --faq-gold-glow: 0 0 24px rgba(255, 215, 0, 0.15);
  --faq-blue-glow: 0 0 32px rgba(0, 229, 255, 0.12);
  --faq-card-bg: rgba(19, 27, 42, 0.6);
  background:
    radial-gradient(600px 300px at 10% 0%, rgba(0, 229, 255, 0.08), transparent 70%),
    radial-gradient(900px 400px at 90% 0%, rgba(255, 215, 0, 0.06), transparent 70%),
    var(--color-bg);
  color: var(--color-text);
}

/* Hero 区域 */
.page-faq .faq-hero {
  padding: 28px 0 0;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.page-faq .faq-crumb a {
  color: var(--color-blue);
  text-decoration: none;
}

.page-faq .faq-crumb a:hover {
  color: var(--color-gold);
}

.page-faq .faq-hero-card {
  position: relative;
  min-height: 380px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-blue);
  background: var(--color-bg-card);
  isolation: isolate;
}

.page-faq .faq-hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-red), transparent 30%, var(--color-gold) 70%, var(--color-blue));
  z-index: 1;
}

.page-faq .faq-hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(255, 215, 0, 0.08), transparent 40%),
    linear-gradient(315deg, rgba(0, 229, 255, 0.1), transparent 45%);
}

.page-faq .faq-hero-card img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.page-faq .faq-hero-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 56px 24px 24px;
  background: linear-gradient(180deg, rgba(10, 14, 23, 0.05), rgba(10, 14, 23, 0.92) 90%);
  z-index: 1;
}

.page-faq .faq-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-gold);
  letter-spacing: 0.12em;
  font-size: 12px;
}

.page-faq .faq-hero-overlay h1 {
  margin: 10px 0 8px;
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero-desc {
  max-width: 720px;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* 快速定位标签 */
.page-faq .faq-fastfind {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--border-blue);
  border-radius: 14px;
  background: rgba(19, 27, 42, 0.6);
}

.page-faq .faq-fastfind-label {
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  font-size: 12px;
}

.page-faq .faq-fastfind-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-fastfind-tags a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 999px;
  color: var(--color-blue);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.page-faq .faq-fastfind-tags a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-red);
  margin-right: 6px;
  opacity: 0.7;
}

.page-faq .faq-fastfind-tags a:hover {
  border-color: var(--color-gold);
  background: rgba(255, 215, 0, 0.08);
  color: var(--color-gold);
}

.page-faq .faq-fastfind-tags a:hover::before {
  background: var(--color-gold);
}

/* 主体双栏布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 64px;
}

/* 侧边栏 */
.page-faq .faq-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 16px;
  position: relative;
}

.page-faq .faq-sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-red), transparent 75%);
  opacity: 0.55;
}

.page-faq .faq-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-sidebar-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 12px 12px 8px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  border-left: 2px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.page-faq .faq-sidebar-list a:hover {
  background: rgba(255, 215, 0, 0.06);
  color: var(--color-gold);
  border-left-color: var(--color-gold);
}

.page-faq .faq-sidebar-list a span {
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-sidebar-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
  min-width: 24px;
}

.page-faq .faq-help-card {
  padding: 20px;
  border: 1px solid var(--border-blue);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(255, 215, 0, 0.03));
}

.page-faq .faq-help-tag {
  color: var(--color-gold);
  font-size: 12px;
}

.page-faq .faq-help-card p {
  margin: 8px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.page-faq .faq-help-btn {
  margin-top: 8px;
}

.page-faq .faq-sidebar-note {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  padding: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
}

/* 内容区 */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section + .faq-section {
  margin-top: 48px;
}

.page-faq .faq-section-heading {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.page-faq .faq-section-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 88px;
  height: 2px;
  background: var(--gradient-gold);
}

.page-faq .faq-sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-blue);
  font-size: 12px;
}

.page-faq .faq-section-heading h2 {
  margin: 6px 0 4px;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
}

.page-faq .faq-section-heading > p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* 折叠问答 */
.page-faq .faq-accordion {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-item {
  position: relative;
  background: var(--faq-card-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.25s ease;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: 18px 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  transition: color 0.2s;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
  border-radius: 8px;
}

.page-faq .faq-item summary:hover {
  color: var(--color-gold);
}

.page-faq .faq-item[open] {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(0, 229, 255, 0.04));
  box-shadow: inset 4px 0 0 var(--color-red);
}

.page-faq .faq-q-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-bg);
  background: var(--gradient-gold);
  padding: 4px 7px;
  border-radius: 4px;
  box-shadow: var(--faq-gold-glow);
  transform: skewX(-6deg);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
}

.page-faq .faq-q-toggle {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-radius: 50%;
  transition: border-color 0.2s;
}

.page-faq .faq-q-toggle::before,
.page-faq .faq-q-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-blue);
  transform: translate(-50%, -50%);
}

.page-faq .faq-q-toggle::before {
  width: 8px;
  height: 1px;
}

.page-faq .faq-q-toggle::after {
  width: 1px;
  height: 8px;
}

.page-faq .faq-item[open] .faq-q-toggle {
  border-color: var(--color-gold);
}

.page-faq .faq-item[open] .faq-q-toggle::after {
  display: none;
}

.page-faq .faq-a {
  padding: 0 18px 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a a {
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

.page-faq .faq-a a:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.page-faq .faq-a kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--color-gold);
}

/* 同步流程视觉块 */
.page-faq .faq-visual-divider {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 48px 0;
  padding: 24px;
  border: 1px solid var(--border-blue);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.05), rgba(255, 59, 48, 0.03));
}

.page-faq .faq-visual-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-blue);
  box-shadow: var(--faq-blue-glow);
}

.page-faq .faq-visual-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-visual-caption {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-faq .faq-sync-tag {
  color: var(--color-gold);
  font-size: 12px;
}

.page-faq .faq-visual-caption h3 {
  margin: 10px 0 6px;
  font-family: var(--font-heading);
  font-size: 22px;
}

.page-faq .faq-visual-caption p {
  margin: 0 0 12px;
  color: var(--color-text-secondary);
}

.page-faq .faq-visual-caption ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: sync-step;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-visual-caption li {
  counter-increment: sync-step;
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-faq .faq-visual-caption li::before {
  content: counter(sync-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-blue);
}

/* 底部 CTA */
.page-faq .faq-bottom-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 215, 0, 0.22);
  background: linear-gradient(135deg, rgba(184, 134, 11, 0.18), rgba(255, 215, 0, 0.05));
  box-shadow: var(--faq-gold-glow);
}

.page-faq .faq-bottom-tag {
  color: var(--color-gold);
  font-size: 12px;
}

.page-faq .faq-bottom-cta h2 {
  margin: 8px 0 6px;
  font-family: var(--font-heading);
  font-size: 24px;
}

.page-faq .faq-bottom-cta p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-cta-btn {
  flex: 0 0 auto;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-faq .faq-hero-desc {
    font-size: 16px;
  }

  .page-faq .faq-fastfind {
    padding: 18px 22px;
  }

  .page-faq .faq-bottom-cta {
    flex-wrap: nowrap;
  }
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-faq .faq-hero-card {
    min-height: 520px;
  }

  .page-faq .faq-hero-overlay {
    padding: 72px 40px 32px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .page-faq .faq-section + .faq-section {
    margin-top: 64px;
  }

  .page-faq .faq-item summary {
    padding: 20px 20px;
  }

  .page-faq .faq-a {
    padding: 0 20px 22px 64px;
  }

  .page-faq .faq-visual-divider {
    grid-template-columns: 1.05fr 1fr;
    padding: 32px;
  }

  .page-faq .faq-bottom-cta {
    padding: 40px 36px;
  }

  .page-faq .faq-bottom-cta h2 {
    font-size: 28px;
  }
}

/* 大屏微调 */
@media (min-width: 1200px) {
  .page-faq .faq-hero-overlay h1 {
    font-size: 52px;
  }

  .page-faq .faq-section-heading h2 {
    font-size: 28px;
  }
}