.page-faq {
  --faq-gap: 18px;
  --faq-rule: rgba(38, 54, 74, 0.65);
  --faq-cut: 20px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-bottom: clamp(28px, 5vw, 60px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 42px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: linear-gradient(158deg, var(--panel) 0%, var(--space-0) 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

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

.page-faq .faq-readout__cell:nth-child(n + 3) {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-readout__cell:nth-child(even) {
  border-left: 1px solid var(--line-soft);
}

.page-faq .faq-readout__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-readout__num em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
  margin-left: 5px;
}

.page-faq .faq-readout__label {
  margin: 8px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 三步上手 ---------- */

.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px;
  margin-bottom: 14px;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 200ms var(--ease), box-shadow 200ms var(--ease);
}

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

.page-faq .faq-step:hover {
  background: var(--raise);
  box-shadow: inset 0 0 0 1px var(--signal-deep);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
}

.page-faq .faq-step__time {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-step__act {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-step__result {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--signal-deep);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-step__result span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-right: 8px;
}

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

.page-faq .faq-steps__frame {
  padding: 1px;
  background: var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-steps__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-steps__cap {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 01 网点 ---------- */

.page-faq .faq-city__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-city__body .prose {
  margin-top: 0;
}

.page-faq .faq-city__block {
  margin-top: 22px;
}

.page-faq .faq-city__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .faq-city__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-city__chips li {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-city__chips li:hover {
  color: var(--signal);
  border-color: var(--signal-deep);
  background: var(--signal-wash);
}

.page-faq .faq-city__regions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-city__regions li {
  padding: 6px 14px;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--ink);
  border-bottom: 2px solid var(--amber);
  background: var(--panel);
}

.page-faq .faq-city__hint {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-city__hint .num {
  color: var(--signal);
  font-family: var(--font-mono);
}

.page-faq .faq-city__aside {
  padding: 22px 20px;
}

.page-faq .faq-city__aside .eyebrow {
  margin: 0 0 14px;
}

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

.page-faq .faq-city__result li {
  padding: 12px 0;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-city__result-key {
  display: block;
  font-size: 15px;
  color: var(--ink);
}

.page-faq .faq-city__result-val {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-city__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
}

/* ---------- 02 排期 ---------- */

.page-faq .faq-schedule__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
}

.page-faq .faq-read {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqread;
}

.page-faq .faq-read__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-read__idx {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-read__title {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-read__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-rail {
  align-self: start;
  padding: 22px 20px;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-rail .eyebrow {
  margin: 0;
}

.page-faq .faq-rail__hint {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-rail__scale {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .faq-rail__q {
  padding: 12px 8px 10px;
  background: var(--space-0);
  border: 1px solid var(--line);
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-rail__q:hover,
.page-faq .faq-rail__q:focus-within {
  border-color: var(--signal);
  background: var(--signal-wash);
}

.page-faq .faq-rail__qname {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-faq .faq-rail__bars {
  display: grid;
  gap: 4px;
  margin-top: 10px;
}

.page-faq .faq-rail__bars i {
  display: block;
  height: 5px;
  background: var(--line);
  transition: background 180ms var(--ease);
}

.page-faq .faq-rail__q:hover .faq-rail__bars i:first-child {
  background: var(--signal);
}

.page-faq .faq-rail__q:hover .faq-rail__bars i:last-child {
  background: var(--amber);
}

.page-faq .faq-rail__qmeta {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-faq .faq-rail__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-rail .link-signal {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
}

/* ---------- 03 质保 ---------- */

.page-faq .faq-warranty__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-tier {
  padding: 18px 20px;
  margin-bottom: 12px;
  background: var(--panel);
  border-left: 2px solid var(--line);
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-faq .faq-tier:hover {
  border-left-color: var(--signal);
  background: var(--raise);
}

.page-faq .faq-tier__months {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}

.page-faq .faq-tier__months em {
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-left: 6px;
}

.page-faq .faq-tier__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-tier__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-warranty__figure {
  margin: 0;
}

.page-faq .faq-warranty__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-scale {
  display: grid;
  grid-template-columns: 3fr 5fr 4fr;
  gap: 3px;
  margin-top: 12px;
}

.page-faq .faq-scale__seg {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--panel);
}

.page-faq .faq-scale__seg--a {
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-faq .faq-scale__seg--b {
  box-shadow: inset 0 0 0 1px var(--signal-deep);
  background: var(--signal-wash);
}

.page-faq .faq-scale__seg--c {
  box-shadow: inset 0 0 0 1px var(--amber);
}

.page-faq .faq-warranty__cap {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-warranty__note {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--faq-rule);
}

/* ---------- 04 版本与常见疑问 ---------- */

.page-faq .faq-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-version__card {
  padding: 24px 22px;
}

.page-faq .faq-version__card .eyebrow {
  margin: 0;
}

.page-faq .faq-version__title {
  margin: 12px 0 14px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

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

.page-faq .faq-version__list li {
  position: relative;
  padding: 0 0 0 18px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--signal);
  transform: rotate(45deg);
}

.page-faq .faq-version__tip {
  margin: 16px 0 22px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--raise);
  border-left: 2px solid var(--amber);
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  margin-bottom: 10px;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-faq .faq-item[open] {
  background: var(--raise);
  border-left-color: var(--signal);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--signal);
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-item__mark {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--amber);
}

.page-faq .faq-item__a {
  margin: 0;
  padding: 0 20px 18px 45px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-next__inner {
  padding: clamp(26px, 5vw, 48px);
  background: linear-gradient(135deg, var(--signal-wash) 0%, var(--panel) 52%, var(--space-0) 100%);
  box-shadow: inset 0 0 0 1px var(--signal-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-next__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-step {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 22px 24px;
  }

  .page-faq .faq-read__item {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-faq .faq-city__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-faq .faq-schedule__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-warranty__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-faq .faq-version__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-steps__figure {
    margin-top: 18px;
  }

  .page-faq .faq-city__aside {
    margin-top: 22px;
  }
}
<<<END>>>