.page-faq {
  --faq-num-col: 52px;
  --faq-hair: rgba(11, 18, 32, .12);
  --faq-body-ink: rgba(11, 18, 32, .76);
  background: var(--paper);
  color: var(--ink);
}

@media (min-width: 880px) {
  .page-faq {
    --faq-num-col: 96px;
  }
}

.page-faq img {
  max-width: 100%;
}

/* ---------- 首屏：深色框景 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(38px, 7vw, 84px);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(90% 70% at 6% 2%, rgba(0, 229, 199, .18), transparent 58%),
    radial-gradient(80% 72% at 94% 0%, rgba(255, 107, 53, .24), transparent 62%),
    linear-gradient(155deg, var(--indigo-950), var(--indigo-800) 58%, var(--indigo-600));
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  max-width: 15ch;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 40ch;
  margin-top: clamp(14px, 2vw, 22px);
  color: var(--paper-80);
}

.page-faq .faq-figures {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 38px);
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--hair-dark);
}

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

.page-faq .faq-figure__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-figure__label {
  font-size: 13px;
  color: var(--paper-60);
}

.page-faq .faq-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero__frame {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid rgba(244, 241, 234, .18);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--indigo-800), var(--indigo-600));
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  inset: auto 16px 16px auto;
  width: 46px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

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

.page-faq .faq-hero__figure .figure__caption {
  margin-top: 12px;
  color: var(--paper-60);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}

/* ---------- 主体栅格 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(34px, 6vw, 78px);
}

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

@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 176px;
    align-items: start;
  }
}

/* ---------- 分组索引 ---------- */

.page-faq .faq-index {
  order: -1;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-s);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__link:hover {
  background: rgba(11, 18, 32, .06);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--cyan-ink);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--warm-gray);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index__label {
  font-size: 13px;
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    order: 0;
    position: sticky;
    top: clamp(24px, 7vh, 72px);
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--faq-hair);
    padding-left: 16px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__link {
    padding: 7px 10px;
  }
}

/* ---------- 分组标题 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group__head {
  max-width: 46rem;
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

.page-faq .faq-group__head .h-section {
  margin: 8px 0 0;
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-body-ink);
}

@media (min-width: 880px) {
  .page-faq .faq-group__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0 clamp(20px, 4vw, 56px);
    align-items: end;
    max-width: none;
  }

  .page-faq .faq-group__head .eyebrow {
    grid-column: 1 / -1;
  }

  .page-faq .faq-group__head .h-section {
    margin-top: 10px;
  }

  .page-faq .faq-group__lede {
    margin-top: 0;
    padding-bottom: 4px;
  }
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}

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

.page-faq .faq__summary {
  display: grid;
  grid-template-columns: var(--faq-num-col) minmax(0, 1fr) 20px;
  gap: 0 12px;
  align-items: start;
  padding: clamp(14px, 2.2vw, 20px) 0;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-s);
  transition: background-color .2s var(--ease);
}

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

.page-faq .faq__summary::marker {
  content: "";
}

.page-faq .faq__summary:hover {
  background: rgba(11, 18, 32, .035);
}

.page-faq .faq__summary:focus-visible {
  outline: 2px solid var(--cyan-ink);
  outline-offset: 3px;
}

.page-faq .faq__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--warm-gray);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease);
}

.page-faq .faq__q {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.5;
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-faq .faq__sign {
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  color: var(--warm-gray);
  transition: color .2s var(--ease);
}

.page-faq .faq__sign::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: currentColor;
}

.page-faq .faq__sign::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}

.page-faq .faq[open] .faq__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq[open] .faq__num,
.page-faq .faq[open] .faq__sign {
  color: var(--orange);
}

.page-faq .faq[open] .faq__q {
  color: var(--orange);
}

.page-faq .faq__body {
  padding: 0 0 clamp(16px, 2.4vw, 24px);
}

@media (min-width: 880px) {
  .page-faq .faq__body {
    padding-left: var(--faq-num-col);
  }
}

.page-faq .faq__body p {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--faq-body-ink);
}

@keyframes faqBodyIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq[open] .faq__body {
  animation: faqBodyIn .3s var(--ease) both;
}

/* ---------- 价格区间示意 ---------- */

.page-faq .range-set {
  margin-top: 18px;
  padding: clamp(14px, 2vw, 20px);
  border-radius: var(--radius-s);
  background: rgba(27, 42, 74, .05);
}

.page-faq .range-set__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--warm-gray);
}

.page-faq .range {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 86px;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

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

.page-faq .range__name {
  font-size: 12px;
  color: var(--warm-gray);
}

.page-faq .range__track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(11, 18, 32, .09);
  overflow: hidden;
}

.page-faq .range__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--from);
  width: calc(var(--to) - var(--from));
  border-radius: 999px;
}

.page-faq .range--clean {
  --from: 14.7%;
  --to: 58.7%;
}

.page-faq .range--repair {
  --from: 12%;
  --to: 93.3%;
}

.page-faq .range--train {
  --from: 10%;
  --to: 21.3%;
}

.page-faq .range--clean .range__fill {
  background: linear-gradient(90deg, var(--indigo-600), var(--cyan));
}

.page-faq .range--repair .range__fill {
  background: linear-gradient(90deg, var(--orange-soft), var(--orange));
}

.page-faq .range--train .range__fill {
  background: linear-gradient(90deg, var(--indigo-600), var(--violet));
}

.page-faq .range__val {
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 880px) {
  .page-faq .range {
    grid-template-columns: 56px minmax(0, 1fr) 110px;
    gap: 16px;
  }

  .page-faq .range__val {
    font-size: 13px;
  }
}

/* ---------- 组间深色细带 ---------- */

.page-faq .faq-band {
  height: 4px;
  margin: clamp(30px, 5vw, 58px) 0;
  border-radius: 4px;
  background-image:
    repeating-linear-gradient(90deg, rgba(0, 229, 199, .9) 0 2px, transparent 2px 26px),
    linear-gradient(90deg, var(--indigo-800), var(--indigo-600) 55%, var(--indigo-800));
}

/* ---------- 深色提示带 ---------- */

.page-faq .faq-note {
  margin-block: clamp(34px, 6vw, 76px);
  padding: clamp(24px, 4.5vw, 56px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(0, 229, 199, .16), transparent 60%),
    linear-gradient(150deg, var(--indigo-950), var(--indigo-800));
  color: var(--paper);
}

.page-faq .faq-note__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 42px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-faq .faq-note__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }
}

.page-faq .faq-note__figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-note__frame {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(244, 241, 234, .16);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--indigo-800), var(--indigo-600));
}

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

.page-faq .faq-note .h-section {
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq .faq-note__list {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-note__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--hair-dark);
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper-80);
}

.page-faq .faq-note__list li:last-child {
  border-bottom: 1px solid var(--hair-dark);
}

.page-faq .faq-note__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-note__meta {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-60);
}

.page-faq .faq-note .link-index {
  display: inline-block;
  margin-top: 18px;
}

.page-faq .faq-note .link-index:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 收尾索引 ---------- */

.page-faq .faq-more {
  margin-top: clamp(40px, 7vw, 88px);
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-more .h-section {
  margin: 10px 0 0;
}

.page-faq .faq-more__list {
  margin: clamp(18px, 2.8vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-more__list li {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-more .link-index {
  display: inline-block;
  padding: 14px 0;
}

.page-faq .faq-more .link-index:focus-visible {
  outline: 2px solid var(--cyan-ink);
  outline-offset: 3px;
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq[open] .faq__body {
    animation: none;
  }

  .page-faq .faq__summary,
  .page-faq .faq__num,
  .page-faq .faq__q,
  .page-faq .faq__sign,
  .page-faq .faq__sign::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>