.page-faq {
  --faq-pad: clamp(28px, 6vw, 64px);
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-block: 18px 6px;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 60px) clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero .grid-field {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(29, 107, 88, 0.30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 107, 88, 0.30) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-faq .faq-hero__copy .lede {
  max-width: 34ch;
  margin-top: 18px;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  flex: none;
  min-width: 3.4em;
}

.page-faq .faq-fact-text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-hero__media {
  margin: 0;
}

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

/* 分类跳转条 */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(7, 26, 20, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-block: 10px;
}

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

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 14px;
  min-height: 44px;
  border: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

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

/* 问题分组 */
.page-faq .faq-group {
  padding-block: clamp(38px, 6vw, 76px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 70px);
}

.page-faq .faq-group__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-group__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-faq .faq-group--amber .faq-group__num {
  color: var(--amber);
}

.page-faq .faq-group__title {
  margin: 12px 0 10px;
  font-size: var(--step-h3);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 26ch;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-figure {
  margin: clamp(22px, 4vw, 32px) 0 0;
}

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

/* 手风琴 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-block: 18px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

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

.page-faq .faq-q__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid var(--line);
  transition: border-color 0.2s ease;
}

.page-faq .faq-q:hover .faq-q__mark,
.page-faq .faq-item[open] .faq-q__mark {
  border-color: var(--cyan);
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-faq .faq-q__mark::before {
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-q__mark::after {
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
  transition: opacity 0.2s ease;
}

.page-faq .faq-item[open] .faq-q__mark::after {
  opacity: 0;
}

.page-faq .faq-a {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  padding: 0 0 22px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-a ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-a li::marker {
  color: var(--cyan);
}

.page-faq .faq-a .link-arrow {
  color: var(--cyan);
}

/* 联系收口 */
.page-faq .faq-contact {
  padding-block: clamp(44px, 7vw, 88px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 242, 200, 0.10), transparent 62%),
    var(--field-black);
  scroll-margin-top: calc(var(--header-h) + 40px);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-contact__copy .prose {
  max-width: 32ch;
  margin-top: 16px;
}

.page-faq .faq-top {
  margin-top: 22px;
}

.page-faq .faq-channels {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-channel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-channel:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-channel__value {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--cold);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-channel__value {
  color: var(--cyan);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

.page-faq .faq-contact__note {
  margin: 0 0 20px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-contact__panel .btn {
  width: 100%;
  justify-content: center;
}

/* 桌面布局 */
@media (min-width: 780px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-hero__media {
    margin-top: 12px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-group__grid {
    grid-template-columns: minmax(180px, 3fr) minmax(0, 8fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-faq .faq-contact__panel .btn {
    width: auto;
  }

  .page-faq .faq-q {
    padding-block: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-q,
  .page-faq .faq-q__mark,
  .page-faq .faq-q__mark::after,
  .page-faq a.faq-channel__value {
    transition: none;
  }
}
<<<END>>>