.page-faq {
  --faq-rail: 250px;
  --faq-hair: rgba(201, 207, 200, 0.16);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .crumbs {
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-faq .faq-hero {
  padding: clamp(26px, 4.5vw, 62px) 0 clamp(30px, 4.5vw, 58px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: calc(var(--gap) * 1.5);
}

.page-faq .faq-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 60px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 6px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stat dt {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--concrete);
}

.page-faq .faq-stat dd {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 5px 0 0;
}

.page-faq .faq-stat .num {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-stat__unit {
  font-size: 12.5px;
  color: var(--concrete);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-faq .figure__media {
  border: 1px solid var(--line-mid);
  background: var(--panel-soft);
  overflow: hidden;
}

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

.page-faq .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--concrete);
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: calc(var(--gap) * 2.2);
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 三步路径 */
.page-faq .faq-path__panel {
  position: relative;
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--panel);
  border: 1px solid var(--line-mid);
  overflow: hidden;
}

.page-faq .faq-path__panel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--paper) 42%, rgba(230, 211, 163, 0) 100%);
}

.page-faq .faq-path__head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.14;
  color: var(--mist);
}

.page-faq .faq-path__head .note {
  margin: 0;
  color: var(--concrete);
}

.page-faq .faq-path__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-path__item {
  position: relative;
  margin-left: 6px;
  padding: 0 0 26px 34px;
  border-left: 1px solid var(--line-mid);
}

.page-faq .faq-path__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-path__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--orange);
}

.page-faq .faq-path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-path__title {
  margin: 6px 0 8px;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

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

.page-faq .faq-path__link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-path__link:hover,
.page-faq .faq-path__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

@media (min-width: 900px) {
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: calc(var(--gap) * 1.3);
  }

  .page-faq .faq-path__item {
    margin-left: 0;
    padding: 30px 0 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-mid);
  }

  .page-faq .faq-path__item:last-child {
    padding-bottom: 0;
    border-top-color: var(--line-mid);
  }

  .page-faq .faq-path__item::before {
    left: 0;
    top: -5px;
  }
}

/* 索引 + 问答 */
.page-faq .faq-body__grid {
  display: grid;
  gap: calc(var(--gap) * 1.6);
}

.page-faq .faq-rail {
  padding-top: 16px;
  border-top: 1px solid var(--line-mid);
}

.page-faq .faq-rail__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--concrete);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  font-size: 13.5px;
  white-space: nowrap;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(15, 58, 49, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--mist);
  border-color: var(--orange);
  background: rgba(255, 106, 26, 0.08);
}

.page-faq .faq-rail__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-rail__note {
  margin: 10px 0 0;
  color: var(--concrete);
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: calc(var(--gap) * 2.4);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: clamp(16px, 3vh, 32px);
    align-self: start;
    padding: 4px 0 0 18px;
    border-top: 0;
    border-left: 1px solid var(--line-mid);
  }

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

  .page-faq .faq-rail__list a {
    white-space: normal;
    padding: 10px 12px;
  }
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 4.6vw, 60px);
}

.page-faq .faq-group__head {
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-group__head h2 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.9vw, 31px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--mist);
}

.page-faq .faq-group__head .note {
  margin: 0;
  color: var(--concrete);
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 36px 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--concrete);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--orange);
}

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

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

.page-faq .faq-item__num {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-item__body {
  padding: 0 0 20px 0;
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faq-reveal 180ms var(--ease) both;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-item__body a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

@media (min-width: 640px) {
  .page-faq .faq-item__body {
    padding-left: 36px;
  }
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 联系前准备 */
.page-faq .faq-prep__grid {
  display: grid;
  gap: calc(var(--gap) * 1.6);
}

.page-faq .faq-prep__copy h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--mist);
}

.page-faq .faq-prep__list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-prep__list strong {
  color: var(--mist);
  font-weight: 700;
}

.page-faq .faq-prep__idx {
  display: grid;
  place-items: center;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--paper);
  border: 1px solid var(--faq-hair);
  background: rgba(230, 211, 163, 0.1);
}

.page-faq .faq-prep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-prep__copy .note {
  margin: 14px 0 0;
  color: var(--concrete);
}

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

.page-faq .faq-prep__figure .figure__media {
  border-color: var(--faq-hair);
}

@media (min-width: 900px) {
  .page-faq .faq-prep__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: calc(var(--gap) * 2.4);
  }
}

/* 尾部联系 */
.page-faq .faq-cta__panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 3.6vw, 46px);
  background: var(--panel-soft);
  border: 1px solid var(--line-mid);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-cta__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--mist);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 820px) {
  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: calc(var(--gap) * 2);
  }
}

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

  .page-faq .faq-item summary,
  .page-faq .faq-rail__list a,
  .page-faq .faq-path__link,
  .page-faq .faq-item__body a {
    transition: none;
  }
}
<<<END>>>