.page-faq {
  --faq-radius: 28px;
  --faq-item-radius: 22px;
  --faq-sticky-top: calc(var(--header-h) + 26px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 26px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px) 0 clamp(40px, 6vw, 68px);
  background-color: var(--c-paper);
  background-image:
    radial-gradient(110% 80% at 90% 8%, rgba(242, 101, 34, .20), transparent 62%),
    radial-gradient(85% 75% at 4% 92%, rgba(14, 158, 118, .10), transparent 64%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(14, 27, 61, .45) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: .10;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__text h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 6.4vw, 68px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-night);
  transform: skewX(-3deg);
  transform-origin: left bottom;
  max-width: 18ch;
}

.page-faq .faq-hero__text .lead {
  margin: 18px 0 0;
  max-width: 56ch;
  color: var(--c-graphite);
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-hero__aside {
  align-self: end;
  border-radius: var(--radius-lg);
  padding: 24px 26px 26px;
  background: linear-gradient(135deg, var(--c-orange) 0%, var(--c-sand) 100%);
  color: var(--c-night);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__num {
  margin: 0;
  font-size: clamp(40px, 7vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--c-white);
  text-shadow: 0 2px 12px rgba(14, 27, 61, .28);
}

.page-faq .faq-hero__num-label {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .faq-hero__aside-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(14, 27, 61, .22);
  font-size: 14px;
  line-height: 1.65;
}

/* ---------- 分类入口 ---------- */
.page-faq .faq-jump-wrap {
  padding: clamp(30px, 5vw, 54px) 0 0;
}

.page-faq .faq-jump {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-top: 14px;
}

.page-faq .faq-jump__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 22px 22px 24px;
  border-radius: var(--radius-md);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  color: var(--c-night);
  text-decoration: none;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-jump__card:hover,
.page-faq .faq-jump__card:focus-visible {
  transform: translateY(-3px) rotate(-.6deg);
  box-shadow: var(--shadow-soft);
  border-color: var(--c-sand);
}

.page-faq .faq-jump__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  min-width: 34px;
  height: 30px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--c-dusk);
  color: var(--c-orange-deep);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-jump__title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.01em;
  padding-right: 46px;
}

.page-faq .faq-jump__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-graphite);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(34px, 5vw, 52px);
  padding-top: clamp(38px, 5vw, 62px);
  padding-bottom: clamp(48px, 6vw, 80px);
}

/* ---------- 术语速查 ---------- */
.page-faq .faq-terms {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-terms__title {
  margin: 0 0 2px;
}

.page-faq .term {
  padding: 14px 16px 16px;
  border-radius: var(--radius-sm);
  background: var(--c-dusk);
  border: 1px solid rgba(242, 101, 34, .18);
}

.page-faq .term__tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .78);
  color: var(--c-orange-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .term__hint {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-night);
  opacity: .86;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(40px, 5vw, 62px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-line);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.9vw, 32px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--c-night);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-faq .faq-group__count {
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: var(--c-dusk);
  color: var(--c-orange-deep);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-group__lead {
  margin: 14px 0 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-graphite);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--c-dusk);
  padding: 14px 14px 12px;
}

.page-faq .faq-figure .media-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255, 176, 58, .5), rgba(14, 27, 61, .22));
}

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

.page-faq .faq-figure .media-frame--wide {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure .media-frame--tall {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure .media-frame__caption {
  margin: 10px 4px 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-graphite);
}

.page-faq .faq-figure--sand {
  background: rgba(255, 232, 206, .62);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border-radius: var(--faq-item-radius);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 5px solid var(--c-sand);
  overflow: hidden;
  transition: border-color .26s var(--ease), box-shadow .26s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-orange);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 19px 20px 17px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-night);
  transition: background-color .2s var(--ease);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 500;
  line-height: 1;
  color: var(--c-orange-deep);
  transition: transform .22s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-faq .faq-item > summary:hover {
  background: rgba(255, 232, 206, .5);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -3px;
}

.page-faq .faq-answer {
  padding: 0 20px 20px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-graphite);
  animation: faqAnswerIn .28s var(--ease) both;
}

.page-faq .faq-answer p {
  margin: 0 0 .65em;
}

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

.page-faq .faq-answer ol {
  margin: .4em 0 .7em;
  padding-left: 1.35em;
}

.page-faq .faq-answer li {
  margin-bottom: .34em;
}

.page-faq .faq-answer a {
  color: var(--c-indy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faqAnswerIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 收尾帮助区 ---------- */
.page-faq .faq-help {
  position: relative;
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(48px, 6vw, 80px) 0 clamp(56px, 7vw, 92px);
  background:
    radial-gradient(90% 70% at 82% 6%, rgba(242, 101, 34, .30), transparent 60%),
    radial-gradient(80% 70% at 8% 96%, rgba(14, 158, 118, .20), transparent 62%),
    var(--c-night);
  color: var(--c-on-night);
  overflow: hidden;
}

.page-faq .eyebrow--light {
  color: var(--c-sand);
}

.page-faq .eyebrow--light::before {
  background: var(--c-sand);
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--c-paper);
  transform: skewX(-3deg);
  transform-origin: left bottom;
  max-width: 20ch;
}

.page-faq .faq-help__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-on-night);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-help__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  color: var(--c-paper);
}

.page-faq .faq-help__card .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-faq .faq-help__card .card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-on-night);
}

.page-faq .faq-help__card .card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-sand);
}

.page-faq .faq-help__link {
  color: var(--c-sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 58, .5);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

.page-faq .faq-help__foot {
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-on-night-soft);
}

.page-faq .faq-help__foot a {
  color: var(--c-sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__foot a:hover,
.page-faq .faq-help__foot a:focus-visible {
  color: var(--c-neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help__card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, .62fr);
    align-items: end;
    gap: clamp(32px, 5vw, 68px);
  }

  .page-faq .faq-body {
    grid-template-columns: 226px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-terms {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .term__hint {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .26s var(--ease), opacity .26s var(--ease), margin-top .26s var(--ease);
  }

  .page-faq .term:hover .term__hint,
  .page-faq .term:focus-within .term__hint,
  .page-faq .term:focus .term__hint {
    max-height: 140px;
    margin-top: 9px;
    opacity: .9;
  }

  .page-faq .faq-figure .media-frame--wide {
    aspect-ratio: 16 / 9;
  }

  .page-faq .faq-figure .media-frame--tall {
    aspect-ratio: 3 / 2;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-jump__card,
  .page-faq .faq-help__link {
    transition: none;
  }

  .page-faq .faq-answer {
    animation: none;
  }
}
<<<END>>>