.page-faq {
  background: var(--bg);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg,
    var(--blue) 0 32%,
    var(--cyan) 32% 56%,
    var(--orange) 56% 64%,
    var(--line) 64% 100%);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent-text);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(28px, 5.6vw, 50px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-soft);
}

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

.page-faq .faq-hero__panel {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 6px 6px 0 0 var(--bg-alt);
}

.page-faq .faq-hero__panel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 44px;
  height: 4px;
  background: var(--cyan);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts__val {
  display: block;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--heading);
}

.page-faq .faq-facts__key {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-soft);
}

.page-faq .faq-hero__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  padding-block: 32px 48px;
}

.page-faq .faq-stream {
  min-width: 0;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  background: var(--bg-alt);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent-text);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 76px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__bar {
  flex: none;
  width: 4px;
  height: 22px;
  background: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--heading);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-soft);
  white-space: nowrap;
}

.page-faq .faq-group__intro {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

.page-faq .faq-figure .figure-frame__media {
  border: 1px solid var(--line);
  background: var(--bg-alt);
  overflow: hidden;
}

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

.page-faq .faq-figure .figure-frame__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  transition: background-color .2s var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--bg-alt);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__num {
  flex: none;
  width: 26px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--text-soft);
  transition: color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--orange);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  padding-right: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--heading);
}

.page-faq .faq-item__arrow {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  color: var(--text-soft);
  transition: transform .24s var(--ease), color .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(180deg);
  color: var(--accent-text);
}

.page-faq .faq-item__body {
  padding: 0 20px 22px 54px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-item__body a {
  color: var(--accent-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部联系面板 ---------- */
.page-faq .faq-cta {
  position: relative;
  margin-top: 32px;
  padding: 28px 22px 26px;
  background: var(--charcoal);
  color: #E6E9EE;
  overflow: hidden;
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 229, 195, .26), rgba(0, 229, 195, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-cta__kicker {
  position: relative;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-cta__title {
  position: relative;
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: #FFFFFF;
}

.page-faq .faq-cta__text {
  position: relative;
  margin: 0 0 20px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: #C4CBD6;
}

.page-faq .faq-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .faq-cta__btn {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #06201C;
}

.page-faq .faq-cta__btn:hover,
.page-faq .faq-cta__btn:focus-visible {
  background: #7FF3E2;
  border-color: #7FF3E2;
}

.page-faq .faq-cta__ghost {
  color: #E6E9EE;
  border-color: rgba(255, 255, 255, .32);
}

.page-faq .faq-cta__ghost:hover,
.page-faq .faq-cta__ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-cta__meta {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.page-faq .faq-cta__meta-item dt {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #9AA3B0;
}

.page-faq .faq-cta__meta-item dd {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: #FFFFFF;
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-cta {
    padding: 34px 30px 30px;
    margin-top: 40px;
  }

  .page-faq .faq-cta__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 48px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-item__summary {
    padding: 20px 18px;
  }

  .page-faq .faq-item__body {
    padding: 0 24px 24px 58px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: 64px;
    row-gap: 0;
    padding-block: 56px 80px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 32px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: transparent;
  }

  .page-faq .faq-group {
    scroll-margin-top: 28px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__num,
  .page-faq .faq-item__arrow,
  .page-faq .faq-index__link {
    transition: none;
  }
}