.page-faq {
  --faq-sticky-top: 104px;
  background: var(--hs-space);
  color: var(--hs-silver);
  overflow-x: hidden;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(48px, 7vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(circle at 12% -10%, rgba(0, 229, 255, 0.14), transparent 45%),
    radial-gradient(circle at 92% 20%, rgba(255, 122, 26, 0.09), transparent 50%),
    var(--hs-space);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 38, 77, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 38, 77, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 25% 20%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 25% 20%, #000 0%, transparent 75%);
  pointer-events: none;
  opacity: 0.7;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 16px;
  color: var(--hs-white);
}

.page-faq .faq-hero__meta {
  margin-top: 24px;
}

.page-faq .faq-hero__visual {
  margin: 0;
  border: 1px solid var(--hs-line);
  background: var(--hs-panel);
}

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

/* ===== 分类跳转条 ===== */
.page-faq .faq-jump {
  border-top: 1px solid var(--hs-line);
  border-bottom: 1px solid var(--hs-line);
  background: var(--hs-panel);
}

.page-faq .faq-jump__bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 0;
}

.page-faq .faq-jump__label {
  font-family: var(--hs-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hs-mist);
  flex-shrink: 0;
}

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

.page-faq .faq-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--hs-line);
  background: rgba(5, 11, 26, 0.5);
  color: var(--hs-silver);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s var(--hs-ease), color 0.2s var(--hs-ease), background 0.2s var(--hs-ease);
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  border-color: var(--hs-cyan);
  color: var(--hs-white);
  background: rgba(0, 229, 255, 0.07);
  outline: none;
}

.page-faq .faq-jump__item .hs-mono {
  color: var(--hs-cyan);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ===== 主体 ===== */
.page-faq .faq-body {
  padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 8vw, 104px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

/* ===== 侧栏索引 ===== */
.page-faq .faq-index__card {
  padding: 22px;
  background: var(--hs-panel);
  border: 1px solid var(--hs-line);
  border-left: 2px solid var(--hs-cyan);
}

.page-faq .faq-index__card .hs-eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--hs-line-soft);
  color: var(--hs-silver);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s var(--hs-ease), padding-left 0.2s var(--hs-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--hs-cyan);
  padding-left: 4px;
  outline: none;
}

.page-faq .faq-index__link .hs-mono {
  color: var(--hs-orange);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__note {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hs-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--hs-mist);
}

.page-faq .faq-index__note a {
  color: var(--hs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: border-color 0.2s var(--hs-ease), color 0.2s var(--hs-ease);
}

.page-faq .faq-index__note a:hover,
.page-faq .faq-index__note a:focus-visible {
  color: var(--hs-white);
  border-bottom-color: var(--hs-white);
  outline: none;
}

/* ===== 问答分组 ===== */
.page-faq .faq-group {
  margin-bottom: clamp(44px, 6vw, 76px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hs-line);
}

.page-faq .faq-group__index {
  color: var(--hs-orange);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-faq .faq-group__title {
  margin: 0;
  color: var(--hs-white);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.2;
}

.page-faq .faq-group__count {
  font-family: var(--hs-font-mono);
  font-size: 12px;
  color: var(--hs-mist);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__desc {
  margin: 14px 0 8px;
  max-width: 62ch;
}

/* ===== 单条问答 ===== */
.page-faq .faq-list {
  margin-top: 6px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--hs-line-soft);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--hs-line-soft);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--hs-silver);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 0.2s var(--hs-ease);
}

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

.page-faq .faq-item__summary:hover,
.page-faq .faq-item__summary:focus-visible {
  color: var(--hs-white);
  outline: none;
}

.page-faq .faq-item__q {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-item__summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--hs-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--hs-mist);
  transition: color 0.2s var(--hs-ease);
}

.page-faq .faq-item[open] > .faq-item__summary {
  color: var(--hs-white);
}

.page-faq .faq-item[open] > .faq-item__summary::after {
  content: "−";
  color: var(--hs-cyan);
}

.page-faq .faq-item__body {
  padding: 0 4px 20px;
  max-width: 64ch;
  color: var(--hs-silver);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-item__body a {
  color: var(--hs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  border-bottom-color: var(--hs-cyan);
  outline: none;
}

/* ===== 底部引导 ===== */
.page-faq .faq-cta {
  border-top: 1px solid var(--hs-line);
  background: linear-gradient(180deg, var(--hs-panel) 0%, var(--hs-space) 100%);
  padding: clamp(48px, 6vw, 80px) 0;
}

.page-faq .faq-cta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-cta__title {
  margin: 12px 0 14px;
  color: var(--hs-white);
}

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

.page-faq .faq-cta__visual {
  margin: 0;
  border: 1px solid var(--hs-line);
  background: var(--hs-panel);
  max-width: 560px;
}

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

/* ===== 响应式 ===== */
@media (min-width: 720px) {
  .page-faq .faq-jump__bar {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-cta__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
  }

  .page-faq .faq-cta__visual {
    justify-self: end;
    width: 100%;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index__card {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

@media (max-width: 480px) {
  .page-faq .faq-group__head {
    grid-template-columns: auto 1fr;
  }

  .page-faq .faq-group__count {
    grid-column: 1 / -1;
    padding-top: 4px;
  }

  .page-faq .faq-item__summary {
    font-size: 14.5px;
    padding: 16px 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__item,
  .page-faq .faq-index__link,
  .page-faq .faq-item__summary,
  .page-faq .faq-index__note a {
    transition: none;
  }
}
<<<END>>>