.page-faq {
  --faq-hair: rgba(212, 175, 55, .18);
  --faq-hair-soft: rgba(212, 175, 55, .1);
  --faq-panel: linear-gradient(180deg, rgba(42, 45, 49, .62), rgba(14, 16, 20, .78));
  position: relative;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 5vw, 40px) 0 clamp(26px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(212, 175, 55, .18), transparent 62%),
    radial-gradient(80% 70% at 4% 100%, rgba(138, 79, 255, .16), transparent 66%);
  border-bottom: 1px solid var(--faq-hair-soft);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--bone-50);
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-faq .breadcrumbs a {
  color: var(--bone-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumbs a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-faq .faq-hero__body h1 {
  margin: .3em 0 0;
  line-height: 1.06;
}

.page-faq .faq-hero__body .lead {
  margin-top: clamp(14px, 2.4vw, 22px);
  max-width: 58ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__figure {
  align-self: end;
  border: 1px solid var(--faq-hair-soft);
}

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

/* 首屏速览 */
.page-faq .faq-quick {
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: clamp(16px, 2.6vw, 24px) 0 0;
  border-top: 1px solid var(--faq-hair-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-faq .faq-quick__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-faq .faq-quick__txt {
  font-size: .84rem;
  color: var(--bone-50);
  letter-spacing: .04em;
}

/* ---------- 步骤主轴 ---------- */
.page-faq .faq-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 12px;
  margin-bottom: clamp(20px, 3.5vw, 34px);
  border-bottom: 1px solid var(--faq-hair-soft);
  scrollbar-width: thin;
}

.page-faq .faq-rail a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  color: var(--bone-70);
  font-size: .84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s ease, color .22s ease, background-color .22s ease;
}

.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-faq .faq-rail a:hover {
  border-color: var(--gold);
  color: var(--bone);
  background: rgba(212, 175, 55, .08);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-step__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .04em;
  color: var(--gold);
  padding-top: 20px;
}

.page-faq .faq-step__line {
  flex: 1;
  width: 1px;
  min-height: 48px;
  margin-top: 10px;
  background: linear-gradient(180deg, var(--faq-hair), rgba(212, 175, 55, .04));
}

.page-faq .faq-step:last-child .faq-step__line {
  display: none;
}

.page-faq .faq-step__panel {
  position: relative;
  margin-bottom: clamp(14px, 2.4vw, 22px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--faq-panel);
  border: 1px solid var(--faq-hair-soft);
  border-left: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.page-faq .faq-step__panel:hover {
  border-color: var(--faq-hair);
  transform: translateY(-2px);
}

.page-faq .faq-step:target .faq-step__panel {
  border-color: var(--gold);
  box-shadow:
    0 0 0 1px rgba(212, 175, 55, .16),
    0 24px 50px -34px rgba(212, 175, 55, .8);
  background: linear-gradient(180deg, rgba(212, 175, 55, .1), rgba(14, 16, 20, .82));
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 2.4vw, 1.4rem);
  line-height: 1.4;
  color: var(--bone);
  font-weight: 700;
}

.page-faq .faq-step__text {
  margin: 12px 0 0;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--bone-70);
}

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

.page-faq .faq-step__list li {
  position: relative;
  padding-left: 20px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--bone-50);
}

.page-faq .faq-step__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-step__note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
  font-size: .84rem;
  line-height: 1.7;
  color: var(--bone-50);
}

.page-faq .faq-step__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 197, 255, .4);
}

.page-faq .faq-step__note a:hover {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

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

.page-faq .faq-filter .chip {
  font-family: var(--font-body);
  font-size: .84rem;
  padding: 8px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: transparent;
  color: var(--bone-70);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-filter .chip:hover {
  color: var(--bone);
  border-color: var(--violet);
}

.page-faq .faq-filter .chip[aria-pressed="true"] {
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border-color: var(--gold);
  box-shadow: 0 0 22px -8px rgba(212, 175, 55, .9);
}

.page-faq .faq-count {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--bone-50);
}

.page-faq .faq-list {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: linear-gradient(180deg, rgba(42, 45, 49, .5), rgba(8, 9, 12, .6));
  border: 1px solid var(--faq-hair-soft);
  border-radius: var(--radius);
  transition: border-color .22s ease;
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: clamp(.98rem, 1.9vw, 1.1rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--bone);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--bone-50);
  transition: color .2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--gold);
}

.page-faq .faq-item summary:hover {
  color: var(--gold);
}

.page-faq .faq-item__cat {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--blue);
  border: 1px solid rgba(46, 197, 255, .35);
  border-radius: var(--radius);
  padding: 2px 6px;
  transform: translateY(-2px);
}

.page-faq .faq-item__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--faq-hair-soft);
}

.page-faq .faq-item__body p {
  margin: 14px 0 0;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--bone-70);
}

/* 侧栏 */
.page-faq .faq-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-side__figure {
  border: 1px solid var(--faq-hair-soft);
}

.page-faq .faq-limit,
.page-faq .faq-range {
  border: 1px solid var(--faq-hair-soft);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: clamp(16px, 2.6vw, 22px);
  background: linear-gradient(180deg, rgba(42, 45, 49, .58), rgba(8, 9, 12, .7));
}

.page-faq .faq-range {
  border-top-color: var(--blue);
}

.page-faq .faq-limit__title,
.page-faq .faq-range__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-limit__list,
.page-faq .faq-range__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-limit__row {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-top: 1px solid var(--faq-hair-soft);
}

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

.page-faq .faq-limit__name {
  font-family: var(--font-mono);
  font-size: .9rem;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-faq .faq-limit__desc {
  font-size: .82rem;
  color: var(--bone-50);
  line-height: 1.6;
}

.page-faq .faq-range__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--faq-hair-soft);
}

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

.page-faq .faq-range__k {
  font-size: .84rem;
  color: var(--bone-70);
}

.page-faq .faq-range__v {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--blue);
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-faq .faq-range__v i {
  font-style: normal;
  color: var(--bone-50);
  margin: 0 3px;
}

.page-faq .faq-range__v em {
  font-style: normal;
  font-size: .72rem;
  color: var(--bone-50);
  margin-left: 3px;
}

.page-faq .faq-range__foot {
  margin: 14px 0 0;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--bone-50);
}

/* ---------- 案例阅读路径 ---------- */
.page-faq .faq-path {
  display: grid;
  gap: 14px;
}

.page-faq .faq-path__card {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(91, 111, 90, .16), rgba(8, 9, 12, .72) 62%);
  border: 1px solid var(--faq-hair-soft);
  border-radius: var(--radius);
  transition: border-color .22s ease, transform .22s ease;
}

.page-faq .faq-path__card:hover {
  border-color: var(--faq-hair);
  transform: translateY(-2px);
}

.page-faq .faq-path__no {
  display: block;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: 12px;
}

.page-faq .faq-path__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-path__text {
  margin: 10px 0 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--bone-70);
}

.page-faq .faq-path__link {
  display: inline-block;
  margin-top: 16px;
  font-size: .84rem;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 197, 255, .4);
}

.page-faq .faq-path__link:hover {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
  padding: clamp(22px, 4vw, 40px);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(180, 106, 74, .2), transparent 60%),
    linear-gradient(180deg, rgba(42, 45, 49, .6), rgba(8, 9, 12, .82));
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
}

.page-faq .faq-support__body h2 {
  margin: .35em 0 0;
}

.page-faq .faq-support__body .lead {
  margin-top: 14px;
}

.page-faq .faq-support__list {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-faq .faq-support__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-hair-soft);
}

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

.page-faq .faq-support__row dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-support__row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--bone-70);
  word-break: break-word;
}

.page-faq .faq-support__foot {
  margin: 18px 0 0;
  font-size: .82rem;
  line-height: 1.8;
  color: var(--bone-50);
}

.page-faq .faq-support__foot a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 197, 255, .4);
}

.page-faq .faq-support__foot a:hover {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-faq .faq-step {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 28px;
  }

  .page-faq .faq-step__num {
    font-size: 1.1rem;
    padding-top: 26px;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .82fr);
    align-items: start;
  }

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

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