.page-faq {
  background: var(--snow);
  color: var(--ink);
  --fx-gap: clamp(20px, 3vw, 36px);
  --fx-pad: clamp(20px, 3vw, 32px);
  overflow-x: clip;
}

.page-faq .container {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-faq .fx-hero {
  position: relative;
  padding: clamp(26px, 4vw, 46px) 0 0;
  background: linear-gradient(180deg, var(--ice-pale) 0%, rgba(221, 239, 244, 0) 84%);
  overflow: hidden;
}

.page-faq .fx-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 104px);
  opacity: 0.4;
  pointer-events: none;
}

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

.page-faq .fx-hero__title {
  margin: 0.16em 0 0;
  font-size: clamp(38px, 8.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--ink);
}

.page-faq .fx-hero__title span {
  display: block;
  color: var(--maple);
}

.page-faq .fx-hero__lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 54ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .fx-hero__path {
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line-strong);
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 2vw, 28px);
}

.page-faq .fx-hero__path .path__node {
  flex: 1 1 170px;
  min-width: 0;
  text-decoration: none;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .fx-hero__path .path__node:hover,
.page-faq .fx-hero__path .path__node:focus-visible {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

.page-faq .fx-hero__path .path__num {
  font-family: var(--font-mono);
  color: var(--gold-ink);
}

.page-faq .fx-hero__figure {
  position: relative;
  z-index: 1;
  margin: clamp(24px, 3.4vw, 42px) 0 0;
}

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

/* ---------- 栏目筛选区 ---------- */
.page-faq .fx-locate__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fx-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-faq .fx-side {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ice);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-faq .fx-side__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--slate);
}

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

.page-faq .fx-side__link {
  display: block;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .fx-side__link:hover,
.page-faq .fx-side__link:focus-visible {
  color: var(--maple);
  padding-left: 4px;
}

.page-faq .fx-side__link[aria-current="true"] {
  color: var(--maple);
  font-weight: 700;
}

.page-faq .fx-filter {
  margin-top: clamp(16px, 2.2vw, 22px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .fx-filter .filter-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  line-height: 1;
  padding: 9px 13px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .fx-filter .filter-btn:hover {
  border-color: var(--maple);
  color: var(--maple);
}

.page-faq .fx-filter .filter-btn[aria-pressed="true"] {
  background: var(--maple);
  border-color: var(--maple);
  color: var(--paper);
}

.page-faq .fx-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .fx-cards .card {
  display: grid;
  gap: 10px;
  background: var(--paper);
  border: 0;
  border-left: 3px solid transparent;
  padding: var(--fx-pad);
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.page-faq .fx-cards .card:hover {
  border-left-color: var(--maple);
  background: var(--snow);
}

.page-faq .fx-cards .card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-ink);
}

.page-faq .fx-cards .card__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .fx-cards .card__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 60ch;
}

.page-faq .fx-cards .card__meta {
  margin: 0;
}

.page-faq .fx-cards__go {
  justify-self: start;
  font-size: 14px;
  color: var(--maple);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .fx-cards__go:hover,
.page-faq .fx-cards__go:focus-visible {
  color: var(--maple-hot);
}

/* ---------- 苹果端三步 ---------- */
.page-faq .fx-steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fx-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-faq .steps--accordion {
  border-top: 1px solid var(--line-strong);
}

.page-faq .steps--accordion .step {
  display: block;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .step__head {
  display: grid;
  grid-template-columns: var(--num-col) minmax(0, 1fr) 26px;
  align-items: center;
  gap: clamp(10px, 1.6vw, 18px);
  padding: clamp(15px, 2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step__head:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold-ink);
  border-left: 3px solid var(--gold);
  padding-left: 10px;
}

.page-faq .step__title {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .step__sign {
  text-align: right;
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
}

.page-faq .step__sign::before {
  content: "+";
}

.page-faq .step[open] .step__sign::before {
  content: "–";
}

.page-faq .step__body {
  padding: 0 0 clamp(18px, 2.4vw, 26px) calc(var(--num-col) + clamp(10px, 1.6vw, 18px));
  max-width: 62ch;
}

.page-faq .step__text {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .fx-check {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .fx-check li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--deep);
}

.page-faq .fx-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 12px;
  height: 2px;
  background: var(--gold);
}

.page-faq .fx-step__link {
  margin: 16px 0 0;
}

.page-faq .fx-step__link a {
  font-size: 14px;
  color: var(--maple);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .fx-step__link a:hover,
.page-faq .fx-step__link a:focus-visible {
  color: var(--maple-hot);
}

.page-faq .fx-steps__figure {
  margin: 0;
}

.page-faq .fx-steps__figure .figure__frame {
  aspect-ratio: 1 / 1;
  height: auto;
}

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

/* ---------- 常用栏目指引 ---------- */
.page-faq .fx-map {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .fx-map__item {
  background: var(--paper);
  min-width: 0;
}

.page-faq .fx-map__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  height: 100%;
  padding: var(--fx-pad);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.2s ease;
}

.page-faq .fx-map__link:hover,
.page-faq .fx-map__link:focus-visible {
  background: var(--ice-pale);
}

.page-faq .fx-map__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ice);
}

.page-faq .fx-map__title {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .fx-map__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--deep);
}

.page-faq .fx-map__go {
  align-self: end;
  justify-self: start;
  margin-top: 4px;
  font-size: 14px;
  color: var(--maple);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ---------- 结尾反馈 ---------- */
.page-faq .section--deep.fx-next-section {
  background: var(--deep);
  color: var(--snow);
}

.page-faq .fx-next-section .section-head__title {
  color: var(--snow);
}

.page-faq .fx-next-section .section-head__lede {
  color: rgba(247, 251, 252, 0.78);
}

.page-faq .fx-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fx-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-faq .fx-next__panel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-invert);
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-faq .fx-next__side {
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 14px;
  justify-items: start;
  border-top: 1px solid var(--line-invert);
}

.page-faq .fx-next__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-faq .fx-next__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 251, 252, 0.82);
  max-width: 48ch;
}

.page-faq .fx-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .fx-next__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow);
}

.page-faq .fx-next__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--gold);
}

.page-faq .fx-next .btn--ghost {
  border-color: rgba(247, 251, 252, 0.45);
  color: var(--snow);
}

.page-faq .fx-next__note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(247, 251, 252, 0.66);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .fx-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .fx-next {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: stretch;
  }

  .page-faq .fx-next__side {
    border-top: 0;
    border-left: 1px solid var(--line-invert);
    align-content: start;
  }
}

@media (min-width: 920px) {
  .page-faq .fx-locate__grid {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .fx-side {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 960px) {
  .page-faq .fx-steps__grid {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .fx-steps__figure {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 560px) {
  .page-faq .step__head {
    grid-template-columns: 46px minmax(0, 1fr) 20px;
  }

  .page-faq .step__num {
    font-size: 17px;
    padding-left: 8px;
  }

  .page-faq .step__body {
    padding-left: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fx-hero__path .path__node,
  .page-faq .fx-cards .card,
  .page-faq .fx-map__link,
  .page-faq .fx-side__link,
  .page-faq .fx-filter .filter-btn {
    transition: none;
  }
}
<<<END>>>