.page-faq {
  --faq-sidebar: 260px;
  --faq-radius: 14px;
  background: var(--bg-deep);
  color: var(--text-light);
}

/* ===== Hero 区域 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 36px 0 44px;
  background: var(--bg-deeper);
  overflow: hidden;
  border-bottom: 1px solid var(--border-slate);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-faq .faq-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-blue) 45%, transparent 75%);
  z-index: 2;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin: 16px 0 12px;
  text-transform: uppercase;
}

.page-faq .faq-hero__lead {
  font-size: var(--text-base);
  color: var(--text-light);
  opacity: 0.88;
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.page-faq .faq-hero__meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-hero__stat {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: rgba(17, 28, 54, 0.8);
  border: 1px solid var(--border-slate);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.page-faq .faq-hero__stat .data--lg {
  color: var(--accent-gold);
  font-size: 1.25rem;
}

.page-faq .faq-hero__stat-label {
  white-space: nowrap;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  margin-bottom: 20px;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.page-faq .breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--accent-orange);
}

.page-faq .breadcrumb__sep {
  margin: 0 6px;
  color: var(--border-slate);
}

/* ===== 控制台主体 ===== */
.page-faq .faq-console {
  padding: 32px 0 48px;
  background-image: linear-gradient(rgba(28, 119, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 119, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

.page-faq .faq-console__bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-slate);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 8px 14px;
}

.page-faq .faq-console__bar .statusbar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== 侧边栏 ===== */
.page-faq .faq-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-slate);
  border-radius: var(--faq-radius);
  padding: 16px;
}

.page-faq .faq-sidebar__label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs .tabs__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border-slate);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-tabs .tabs__btn:hover {
  color: var(--text-light);
  border-color: var(--accent-blue);
}

.page-faq .faq-tabs .tabs__btn.is-active,
.page-faq .faq-tabs .tabs__btn[aria-selected="true"] {
  color: var(--text-light);
  background: var(--accent-orange);
  border-color: var(--accent-orange);
}

.page-faq .faq-tabs .tabs__btn.is-active .faq-tab__index,
.page-faq .faq-tabs .tabs__btn[aria-selected="true"] .faq-tab__index {
  color: var(--text-light);
}

.page-faq .faq-tab__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-blue);
}

.page-faq .faq-sidebar__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-slate);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.page-faq .faq-sidebar__status .statusbar__dot {
  width: 8px;
  height: 8px;
  background: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

/* ===== 内容面板 ===== */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-slate);
  border-radius: var(--faq-radius);
  padding: 20px 16px;
}

.page-faq .faq-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-panel__header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0;
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-panel__header h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--accent-orange);
  border-radius: 2px;
}

.page-faq .faq-panel__tags {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-panel__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.page-faq .faq-panel__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-deep);
  border: 1px solid var(--border-slate);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

/* ===== 手风琴 ===== */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--bg-deep);
  border: 1px solid var(--border-slate);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(247, 127, 0, 0.4);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--text-light);
  transition: color 0.2s ease;
}

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

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

.page-faq .faq-item__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--accent-orange);
  border-radius: 1px;
}

.page-faq .faq-item__icon::before {
  width: 2px;
  height: 14px;
  left: 8px;
  top: 2px;
}

.page-faq .faq-item__icon::after {
  width: 14px;
  height: 2px;
  left: 2px;
  top: 8px;
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 0 16px 16px;
  line-height: 1.7;
  color: var(--text-light);
  opacity: 0.88;
  font-size: var(--text-base);
}

.page-faq .faq-item__a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-item__a .data,
.page-faq .faq-support__desc .data {
  color: var(--accent-gold);
  font-weight: 600;
}

.page-faq .faq-item__a .text-mono,
.page-faq .faq-support__desc .text-mono {
  color: var(--accent-blue);
  background: rgba(28, 119, 255, 0.08);
  border-radius: 4px;
  padding: 1px 4px;
}

/* ===== 订阅配图 ===== */
.page-faq .faq-subscribe-img {
  margin-bottom: 16px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-slate);
  max-width: 400px;
}

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

/* ===== 底部联系支持 ===== */
.page-faq .faq-support {
  background: var(--bg-deeper);
  border-top: 1px solid var(--border-slate);
  padding: 40px 0;
}

.page-faq .faq-support__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-faq .faq-support__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0 0 8px;
}

.page-faq .faq-support__desc {
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

.page-faq .faq-support__desc a {
  color: var(--accent-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }

  .page-faq .faq-hero__title {
    font-size: var(--text-4xl);
  }

  .page-faq .faq-hero__lead {
    font-size: 1.125rem;
  }

  .page-faq .faq-console {
    padding: 48px 0 64px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-sidebar) 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 24px;
    padding: 20px;
  }

  .page-faq .faq-tabs {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-tabs .tabs__btn {
    justify-content: flex-start;
    width: 100%;
    border: none;
    border-left: 3px solid transparent;
    border-radius: 6px;
    padding: 12px 14px;
  }

  .page-faq .faq-tabs .tabs__btn.is-active,
  .page-faq .faq-tabs .tabs__btn[aria-selected="true"] {
    background: rgba(247, 127, 0, 0.12);
    border-left-color: var(--accent-orange);
    color: var(--text-light);
  }

  .page-faq .faq-tabs .tabs__btn.is-active .faq-tab__index,
  .page-faq .faq-tabs .tabs__btn[aria-selected="true"] .faq-tab__index {
    color: var(--accent-orange);
  }

  .page-faq .faq-panel {
    padding: 32px;
  }

  .page-faq .faq-item summary {
    padding: 16px 20px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 20px;
  }

  .page-faq .faq-support {
    padding: 48px 0;
  }

  .page-faq .faq-support__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-support__text {
    max-width: 620px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__bg img,
  .page-faq .faq-item summary,
  .page-faq .faq-item__icon,
  .page-faq .faq-tabs .tabs__btn,
  .page-faq .faq-support__desc a {
    transition: none;
  }
}