.page-faq {
  --faq-rail: 220px;
  background: var(--pitch-900);
  color: var(--white);
}

/* ---------- 顶部横幅 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid-line);
  padding: 26px 0 0;
}

.page-faq .faq-hero > .grid-veil {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: calc(100% / 12) 72px;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim) 42%, var(--orange) 62%, transparent);
  transform: rotate(-1.2deg);
  transform-origin: left center;
  opacity: 0.75;
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver-dark);
  margin-bottom: 26px;
}

.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .micro {
  color: var(--silver-dark);
  letter-spacing: 0.12em;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  padding-bottom: 42px;
}

.page-faq .faq-hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 18ch;
}

.page-faq .faq-hero .lede {
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 46ch;
  margin: 0 0 30px;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--grid-line);
}

.page-faq .faq-hero__facts li {
  flex: 1 1 110px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 14px 0;
  border-right: 1px solid var(--grid-line);
}

.page-faq .faq-hero__facts li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.page-faq .faq-hero__facts li:nth-child(2) .faq-fact__num {
  color: var(--cyan);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--grid-line);
  background: var(--pitch-800);
}

.page-faq .faq-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(47, 230, 200, 0.14), transparent 58%);
  pointer-events: none;
}

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

.page-faq .media__caption {
  display: block;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--grid-line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--silver-dark);
  background: var(--pitch-900);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding: 40px 0 16px;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--grid-line);
  color: var(--silver);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-dim);
  background: var(--pitch-800);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-dark);
}

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

/* ---------- 主题分组 ---------- */
.page-faq .faq-block {
  border-top: 1px solid var(--grid-line);
  padding: 30px 0 44px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-block__head {
  margin-bottom: 22px;
}

.page-faq .faq-block__eyebrow {
  color: var(--cyan-dim);
  margin: 0;
}

.page-faq .faq-block__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-faq .faq-block__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver-dark);
  max-width: 48ch;
}

/* ---------- 折叠问答 ---------- */
.page-faq .accordion {
  border: 1px solid var(--grid-line);
  background: var(--pitch-900);
  margin-bottom: 10px;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .accordion[data-open="true"] {
  border-color: var(--cyan-dim);
  background: var(--pitch-800);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-faq .accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  width: 100%;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

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

.page-faq .faq-q__no {
  padding-top: 4px;
  color: var(--silver-dark);
}

.page-faq .accordion[data-open="true"] .faq-q__no {
  color: var(--cyan);
}

.page-faq .faq-q__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--white);
}

.page-faq .faq-mark {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex: none;
  transition: transform 260ms var(--ease);
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--silver);
  transition: background-color 200ms var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 1px;
}

.page-faq .faq-mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 1px;
}

.page-faq .accordion[data-open="true"] .faq-mark {
  transform: rotate(45deg);
}

.page-faq .accordion[data-open="true"] .faq-mark::before,
.page-faq .accordion[data-open="true"] .faq-mark::after {
  background: var(--cyan);
}

.page-faq .accordion__panel {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 260ms var(--ease);
}

.page-faq .accordion[data-open="false"] .accordion__panel {
  grid-template-rows: 0fr;
}

.page-faq .accordion__panel > .faq-a {
  overflow: hidden;
}

.page-faq .faq-a p {
  margin: 0;
  padding: 0 18px 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

.page-faq .faq-a .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-faq .faq-block__figure {
  margin: 24px 0 0;
  border: 1px solid var(--grid-line);
  background: var(--pitch-800);
  max-width: 560px;
}

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

/* ---------- 收束卡片 ---------- */
.page-faq .faq-outro {
  padding: 10px 0 68px;
}

.page-faq .faq-outro__card {
  position: relative;
  border: 1px solid var(--grid-line);
  background: var(--pitch-800);
  padding: 28px 22px;
  box-shadow: inset 0 -3px 0 0 var(--orange);
}

.page-faq .faq-outro__eyebrow {
  color: var(--orange);
  margin: 0 0 12px;
}

.page-faq .faq-outro__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-faq .faq-outro__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 52ch;
}

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

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: 34px;
  }

  .page-faq .faq-block__figure {
    margin-top: 28px;
  }

  .page-faq .faq-outro__card {
    padding: 34px 30px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: end;
    padding-bottom: 56px;
  }

  .page-faq .faq-hero__figure {
    align-self: end;
  }

  .page-faq .accordion__trigger {
    padding: 18px 22px;
    gap: 18px;
  }

  .page-faq .faq-a p {
    padding: 0 22px 22px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    padding: 56px 0 20px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--grid-line);
  }

  .page-faq .faq-index__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 0 9px 15px;
    margin-left: -1px;
    white-space: normal;
    background: transparent;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: transparent;
  }

  .page-faq .faq-block {
    padding: 34px 0 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__panel,
  .page-faq .faq-mark,
  .page-faq .accordion,
  .page-faq .faq-index__link,
  .page-faq .btn {
    transition: none;
  }
}
<<<END>>>