.page-faq {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-faq .breadcrumbs a {
  text-decoration: none;
  color: var(--text-soft);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--signal);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 56px) clamp(40px, 7vw, 76px);
  border-bottom: 1px solid var(--rock);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  inset-inline-end: -8%;
  width: 46%;
  height: 170%;
  background: linear-gradient(
    115deg,
    transparent 46%,
    rgba(255, 90, 31, 0.2) 46%,
    rgba(255, 90, 31, 0.2) 53%,
    transparent 53%
  );
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.6vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rock);
  border: 1px solid var(--rock);
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  background: var(--ink-2);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--lava);
}

.page-faq .faq-hero__cap {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 快速索引 ---------- */

.page-faq .faq-quick {
  padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 44px);
}

.page-faq .faq-quick__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-quick__note {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-dim);
}

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

.page-faq .faq-tile {
  position: relative;
  display: grid;
  gap: 6px;
  align-content: start;
  min-height: 136px;
  padding: 20px 18px 18px 22px;
  background: var(--ink-2);
  border: 1px solid var(--rock);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease);
}

.page-faq .faq-tile::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 3px;
  background: var(--lava);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lava);
  background: var(--rock);
}

.page-faq .faq-tile--record::before {
  background: var(--lava);
}
.page-faq .faq-tile--mobile::before {
  background: var(--signal);
}
.page-faq .faq-tile--entry::before {
  background: var(--moss);
}
.page-faq .faq-tile--review::before {
  background: var(--steel);
}
.page-faq .faq-tile--support::before {
  background: var(--clay);
}

.page-faq .faq-tile__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-faq .faq-tile__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-faq .faq-tile__desc {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .faq-tile__go {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--lava);
}

.page-faq .faq-quick__media {
  margin: 0;
  min-height: 136px;
  border: 1px solid var(--rock);
}

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

/* ---------- 主体两栏 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: clamp(32px, 5vw, 60px);
}

.page-faq .faq-index {
  border-top: 1px solid var(--rock);
  padding-top: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 10px 8px;
  border-inline-start: 2px solid transparent;
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--text-soft);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--signal);
  border-inline-start-color: var(--lava);
  background: var(--ink-2);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clay);
}

.page-faq .faq-index__note {
  margin-top: 20px;
  padding: 14px 14px;
  background: var(--ink-2);
  border-inline-start: 2px solid var(--signal);
}

.page-faq .faq-index__note p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 分组与手风琴 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 100px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 56px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 14px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--rock);
}

.page-faq .faq-group__num {
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  line-height: 1;
  color: var(--lava);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.22rem, 2.4vw, 1.6rem);
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-group__lede {
  grid-column: 2;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .faq-group--record .faq-group__num {
  color: var(--lava);
}
.page-faq .faq-group--mobile .faq-group__num {
  color: var(--signal);
}
.page-faq .faq-group--entry .faq-group__num {
  color: var(--moss);
}
.page-faq .faq-group--review .faq-group__num {
  color: var(--steel);
}
.page-faq .faq-group--support .faq-group__num {
  color: var(--clay);
}

.page-faq .faq-list {
  display: grid;
}

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

.page-faq .faq-item__q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 52px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--signal);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lava);
  outline-offset: 3px;
}

.page-faq .faq-item__chev {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--lava);
  border-bottom: 2px solid var(--lava);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
  border-color: var(--signal);
}

.page-faq .faq-item__a {
  max-width: 66ch;
  padding: 0 2px 18px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--text-soft);
  animation: faq-fade 0.28s var(--ease);
}

.page-faq .faq-item__a p {
  margin: 0;
}

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

.page-faq .faq-num {
  display: inline-block;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 0.86em;
  font-weight: 700;
  color: var(--ink);
  background: var(--signal);
  border-radius: 2px;
}

.page-faq .faq-group__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .faq-group__aside .media {
  margin: 0;
  border: 1px solid var(--rock);
}

/* ---------- 下一步 ---------- */

.page-faq .faq-next {
  border-top: 1px solid var(--rock);
  padding-block: clamp(30px, 5vw, 54px);
}

.page-faq .faq-next__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-next__list a {
  display: grid;
  gap: 5px;
  min-height: 44px;
  padding: 15px 16px;
  background: var(--ink-2);
  border: 1px solid var(--rock);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  border-color: var(--lava);
  transform: translateY(-2px);
}

.page-faq .faq-next__list span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--bone);
}

.page-faq .faq-next__list em {
  font-style: normal;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 1fr) 258px;
    gap: 32px;
    align-items: start;
  }
  .page-faq .faq-group__aside {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-item__chev,
  .page-faq .faq-next__list a,
  .page-faq .faq-index__link {
    transition: none;
  }
  .page-faq .faq-item__a {
    animation: none;
  }
}
<<<END>>>