.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-sticky: clamp(72px, 12vh, 110px);
  background: var(--night);
  color: var(--sand);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(20px, 3.5vw, 40px) clamp(34px, 5vw, 64px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 70% at 88% 6%, rgba(50, 242, 198, .10), transparent 62%),
    radial-gradient(70% 90% at 0% 100%, rgba(166, 61, 43, .22), transparent 66%),
    linear-gradient(180deg, var(--night) 0%, var(--board) 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(45, 67, 92, .45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(45, 67, 92, .3) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 78%);
  pointer-events: none;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero__text h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -.01em;
  transform: skewX(-3deg);
  transform-origin: left bottom;
  color: var(--sand);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(241, 233, 221, .86);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--pulse);
  letter-spacing: -.02em;
}

.page-faq .faq-fact__txt {
  font-size: 13px;
  color: var(--mist);
  line-height: 1.5;
  max-width: 12em;
}

.page-faq .faq-hero__media {
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--lake), var(--board) 70%);
  box-shadow: 0 24px 60px rgba(4, 10, 18, .55);
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 14 / 6;
}

.page-faq .media__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pulse);
}

/* ---------- 速查 ---------- */
.page-faq .faq-quick {
  padding-block: clamp(30px, 5vw, 56px);
  background: var(--night);
}

.page-faq .faq-quick__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 3vw, 30px);
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-quick__item {
  display: grid;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--night);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-quick__item:hover,
.page-faq .faq-quick__item:focus-visible {
  background: var(--board);
  border-left-color: var(--pulse);
  outline: none;
}

.page-faq .faq-quick__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ochre-lit);
}

.page-faq .faq-quick__item:hover .faq-quick__no,
.page-faq .faq-quick__item:focus-visible .faq-quick__no {
  color: var(--pulse);
}

.page-faq .faq-quick__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--sand);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-answers {
  padding-block: clamp(30px, 5vw, 60px);
}

.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-aside {
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

.page-faq .faq-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-aside__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-aside__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--sand);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--board);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  color: var(--pulse);
  border-color: var(--pulse);
  outline: none;
}

.page-faq .faq-aside__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ochre-lit);
}

.page-faq .faq-aside__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-aside__note a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 242, 198, .4);
}

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

.page-faq .faq-topic {
  padding-block: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-faq .faq-topic:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-topic__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-faq .faq-topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  color: var(--sand);
}

.page-faq .faq-topic__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-topic__figure {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--lake), var(--board) 75%);
}

.page-faq .faq-topic__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-q:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q:target {
  background: rgba(50, 242, 198, .06);
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q > summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  min-width: 36px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(154, 174, 196, .8);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--sand);
}

.page-faq .faq-q__chev {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-q__chev::before,
.page-faq .faq-q__chev::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-q__chev::before {
  width: 8px;
  height: 1px;
  left: 4px;
  top: 8px;
}

.page-faq .faq-q__chev::after {
  width: 1px;
  height: 8px;
  left: 8px;
  top: 4px;
}

.page-faq .faq-q[open] .faq-q__num {
  color: var(--pulse);
}

.page-faq .faq-q[open] .faq-q__chev {
  border-color: var(--pulse);
}

.page-faq .faq-q[open] .faq-q__chev::before {
  background: var(--pulse);
}

.page-faq .faq-q[open] .faq-q__chev::after {
  opacity: 0;
}

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

.page-faq .faq-q__body p {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.85;
  color: rgba(241, 233, 221, .82);
}

.page-faq .faq-q__body a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 242, 198, .4);
}

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

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(36px, 5.5vw, 70px);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.6;
  color: var(--sand);
  word-break: break-word;
}

.page-faq .faq-contact__value--plain {
  font-family: var(--font-body);
  color: var(--gold);
}

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

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

  .page-faq .faq-q__body {
    padding-left: 48px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(170px, 214px) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 62px);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: var(--faq-sticky);
    padding-left: 16px;
  }

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

  .page-faq .faq-aside__link {
    justify-content: flex-start;
    padding: 9px 10px;
    white-space: normal;
    border-color: transparent;
    background: transparent;
    border-left: 2px solid transparent;
  }

  .page-faq .faq-aside__link:hover,
  .page-faq .faq-aside__link:focus-visible {
    background: var(--board);
    border-left-color: var(--pulse);
  }

  .page-faq .faq-topic__figure {
    max-width: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item,
  .page-faq .faq-aside__link,
  .page-faq .faq-q,
  .page-faq .faq-q__chev,
  .page-faq .faq-q__chev::before,
  .page-faq .faq-q__chev::after {
    transition-duration: .01ms;
  }

  .page-faq .faq-hero__text h1 {
    transform: none;
  }
}
<<<END>>>