.page-faq {
  display: block;
  background: var(--void);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(22, 240, 208, .10), transparent 62%),
    radial-gradient(90% 75% at 4% 100%, rgba(139, 92, 246, .13), transparent 66%),
    var(--void);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(155, 166, 184, .055) 0 1px,
    transparent 1px 5px
  );
  opacity: .55;
}

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

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 14px 0 18px;
  color: var(--text);
  max-width: 18ch;
}

.page-faq .faq-hero__lead .lede {
  max-width: 46ch;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.8;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 46px);
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 84px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1;
  letter-spacing: -.02em;
}

.page-faq .faq-stat__label {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-hero__art {
  border-radius: var(--r-panel);
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--r-panel) - 6px);
}

/* ============ 直达入口 ============ */
.page-faq .faq-section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: -.01em;
  color: var(--text);
  margin: 0 0 10px;
}

.page-faq .faq-section-sub {
  color: var(--text-dim);
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  max-width: 44ch;
}

.page-faq .faq-jump__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-jump__card {
  display: grid;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--mist);
  border-radius: var(--r-card);
  background: var(--panel);
  text-decoration: none;
  color: var(--text);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-jump__card:hover,
.page-faq .faq-jump__card:focus-visible {
  transform: translateY(-3px);
  background: var(--panel-hi);
  border-color: var(--line-cyan);
}

.page-faq .faq-jump__no {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-faq .faq-jump__name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -.01em;
}

.page-faq .faq-jump__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-jump__card--cyan { border-left-color: var(--cyan); }
.page-faq .faq-jump__card--violet { border-left-color: var(--violet); }
.page-faq .faq-jump__card--orange { border-left-color: var(--orange); }
.page-faq .faq-jump__card--green { border-left-color: var(--green); }

/* ============ 问答主体布局 ============ */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-index__title {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}

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

.page-faq .faq-index__nav a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-index__nav a:hover,
.page-faq .faq-index__nav a:focus-visible {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-index__hint {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-index__art {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

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

/* ============ 问答组 ============ */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(36px, 6vw, 64px);
}

.page-faq .faq-group + .faq-group {
  padding-top: clamp(36px, 6vw, 64px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group__head {
  margin-bottom: 20px;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 28px);
  letter-spacing: -.01em;
  color: var(--text);
  margin: 14px 0 10px;
}

.page-faq .faq-group__head p {
  margin: 0;
  max-width: 48ch;
  color: var(--text-dim);
  font-size: 15px;
}

/* ============ 单条问答 ============ */
.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--mist);
  border-radius: var(--r-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--line-cyan);
}

.page-faq .faq-item--cyan { border-left-color: var(--cyan); }
.page-faq .faq-item--violet { border-left-color: var(--violet); }
.page-faq .faq-item--orange { border-left-color: var(--orange); }
.page-faq .faq-item--green { border-left-color: var(--green); }

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 14px;
  gap: 12px;
  align-items: center;
  padding: 17px 18px;
  color: var(--text);
  transition: background-color .2s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: var(--panel-hi);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-item__q {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
}

.page-faq .faq-item > summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-faq .faq-item__a {
  background: var(--cream);
  color: var(--ink);
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(26, 20, 16, .12);
  animation: faqAnswerIn .28s var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 62ch;
}

@keyframes faqAnswerIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ 底部联系 ============ */
.page-faq .faq-help__panel {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 40px);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255, 122, 26, .12), transparent 60%),
    var(--panel);
}

.page-faq .faq-help__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 28px);
  letter-spacing: -.01em;
  color: var(--text);
  margin: 12px 0 12px;
}

.page-faq .faq-help__copy p {
  margin: 0;
  max-width: 50ch;
  color: var(--text-dim);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-jump__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item > summary {
    padding: 20px 24px;
  }

  .page-faq .faq-item__a {
    padding: 18px 24px 24px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-faq .faq-jump__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index__sticky {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index__nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .faq-index__nav a {
    width: 100%;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__card,
  .page-faq .faq-item,
  .page-faq .faq-item > summary::after {
    transition: none;
  }

  .page-faq .faq-item__a {
    animation: none;
  }
}
<<<END>>>