.page-faq {
  --faq-gap: clamp(18px, 3vw, 30px);
  --faq-line: rgba(217, 255, 244, .1);
  background: var(--c-ink);
  color: var(--c-mint);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(20px, 5vw, 48px)) 0 clamp(34px, 5vw, 58px);
  border-bottom: 1px solid var(--c-cyan-a18);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.85);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 100% at 12% 0%, rgba(4, 18, 14, .34), rgba(4, 18, 14, .95) 72%),
    linear-gradient(180deg, rgba(4, 18, 14, .6), var(--c-ink));
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(34, 245, 195, .1) 1px, transparent 1px),
    linear-gradient(180deg, rgba(34, 245, 195, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(85% 70% at 26% 18%, #000 28%, transparent 82%);
  mask-image: radial-gradient(85% 70% at 26% 18%, #000 28%, transparent 82%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .breadcrumbs__link {
  color: var(--c-mute);
}

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

.page-faq .breadcrumbs__item[aria-current="page"] {
  color: var(--c-cyan);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  grid-template-columns: 1fr;
  margin-top: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -.6px;
  margin: 10px 0 0;
  color: var(--c-mint);
  text-shadow: 0 0 32px rgba(34, 245, 195, .18);
}

.page-faq .faq-hero__text {
  margin: clamp(14px, 2.4vw, 20px) 0 0;
  max-width: 46ch;
  font-size: clamp(14px, 2vw, 15.5px);
  line-height: 1.75;
  color: rgba(217, 255, 244, .8);
}

.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px 7px 11px;
  border: 1px solid var(--c-cyan-a18);
  border-radius: 999px;
  background: rgba(4, 18, 14, .6);
  color: var(--c-mint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-legend__item:hover,
.page-faq .faq-legend__item:focus-visible {
  border-color: var(--c-cyan);
  background: var(--c-cyan-a08);
  transform: translateY(-1px);
}

.page-faq .faq-legend__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(34, 245, 195, .14);
}

.page-faq .faq-legend__item--warm .faq-legend__dot {
  background: var(--c-alert);
  box-shadow: 0 0 0 3px rgba(255, 91, 61, .16);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  align-self: end;
  border: 1px solid var(--c-mint-a12);
  background: var(--c-mint-a12);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-stats__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 14px 15px;
  background: var(--c-stand);
}

.page-faq .faq-stats__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-faq .faq-stats__unit {
  font-size: 12px;
  font-weight: 500;
  margin-left: 3px;
  color: var(--c-cyan-soft);
}

.page-faq .faq-stats__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-mute);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-index {
  border: 1px solid var(--c-mint-a12);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, var(--c-stand), rgba(8, 37, 28, .5));
  padding: 14px;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 10px 0 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(217, 255, 244, .14);
  border-radius: 999px;
  color: var(--c-mint);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan-a32);
  background: var(--c-cyan-a08);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-cyan);
  letter-spacing: .06em;
}

.page-faq .faq-index__tip {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-mute);
}

/* ---------- 问题区块 ---------- */
.page-faq .faq-block + .faq-block {
  margin-top: clamp(34px, 6vw, 62px);
}

.page-faq .faq-block__head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
  margin-bottom: 4px;
}

.page-faq .faq-block__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-ink);
  background: var(--c-cyan);
  border-radius: var(--radius-s);
  padding: 3px 6px;
  margin-top: 2px;
}

.page-faq .faq-block__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.24;
  letter-spacing: -.2px;
  margin: 0;
  color: var(--c-mint);
}

.page-faq .faq-block__lede {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(217, 255, 244, .68);
}

.page-faq .faq-figure {
  margin: 18px 0 6px;
  border: 1px solid var(--c-cyan-a18);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--c-stand);
}

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

.page-faq .faq-figure .media__caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-mute);
  border-top: 1px solid var(--faq-line);
  background: var(--c-stand);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-faq .qa > summary:hover {
  background: rgba(34, 245, 195, .04);
}

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

.page-faq .qa__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-mute);
  padding-top: 5px;
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(14.5px, 2.2vw, 16.5px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-mint);
}

.page-faq .qa[open] .qa__q {
  color: var(--c-cyan-soft);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--c-cyan-a32);
  border-radius: 50%;
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-cyan);
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::before {
  width: 10px;
  height: 1px;
}

.page-faq .qa__mark::after {
  width: 1px;
  height: 10px;
  transition: transform .24s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  border-color: var(--c-cyan);
  background: var(--c-cyan-a08);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .qa__a {
  padding: 2px 2px 20px;
  animation: faq-answer-in .28s var(--ease) both;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(217, 255, 244, .8);
}

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

.page-faq .qa__a a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--c-cyan-soft);
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 步骤与字段小卡 ---------- */
.page-faq .qa__steps {
  list-style: none;
  margin: 14px 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .qa__steps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.66;
  color: rgba(217, 255, 244, .78);
}

.page-faq .qa__steps strong {
  color: var(--c-mint);
  font-weight: 500;
}

.page-faq .qa__step-no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 2px;
  background: var(--c-cyan);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .field-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .field-card {
  padding: 10px 12px;
  border-left: 2px solid var(--c-cyan-a32);
  background: linear-gradient(90deg, rgba(15, 58, 44, .82), rgba(8, 37, 28, .28));
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.page-faq .field-card__name {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-cyan-soft);
}

.page-faq .field-card__desc {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.62;
  color: rgba(217, 255, 244, .74);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-support {
  margin-top: 16px;
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--c-cyan-a18);
  border-radius: var(--radius-m);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(255, 91, 61, .12), transparent 58%),
    linear-gradient(150deg, var(--c-stand), var(--c-ink));
}

.page-faq .faq-support__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-support__label {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-mute);
}

.page-faq .faq-support__value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-mint);
  overflow-wrap: anywhere;
}

.page-faq .copy-row {
  display: inline-flex;
}

.page-faq .copy-row__btn {
  border: 1px solid var(--c-cyan-a32);
  border-radius: 999px;
  background: var(--c-cyan-a08);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  padding: 5px 11px;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .copy-row__btn:hover,
.page-faq .copy-row__btn:focus-visible {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-ink);
}

.page-faq .copy-row__btn[data-copied="true"] {
  background: var(--c-alert);
  border-color: var(--c-alert);
  color: #1A0500;
}

.page-faq .faq-support__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-mute);
}

/* ---------- 下一步入口 ---------- */
.page-faq .faq-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(34px, 6vw, 56px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-next__item {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--c-mint-a12);
  border-left: 2px solid var(--c-cyan-a32);
  border-radius: var(--radius-s);
  background: rgba(8, 37, 28, .5);
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-next__item:hover,
.page-faq .faq-next__item:focus-visible {
  border-left-color: var(--c-cyan);
  background: var(--c-cyan-a08);
  transform: translateY(-2px);
}

.page-faq .faq-next__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-alert);
}

.page-faq .faq-next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  color: var(--c-mint);
}

.page-faq .faq-next__desc {
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--c-mute);
}

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

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

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .72fr);
    align-items: end;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    margin-top: 10px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 11px 0;
    border: 0;
    border-bottom: 1px solid var(--faq-line);
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
  }

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

  .page-faq .qa__a {
    padding-left: 34px;
  }

  .page-faq .faq-support__row {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .faq-legend__item,
  .page-faq .faq-next__item,
  .page-faq .qa__mark::after {
    transition: none;
  }

  .page-faq .faq-next__item:hover,
  .page-faq .faq-legend__item:hover {
    transform: none;
  }
}
<<<END>>>