.page-faq {
  --faq-sticky-top: calc(var(--header-h) + 20px);
  --faq-num-w: 2.6rem;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  padding-block: clamp(20px, 4vw, 40px) clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -38%;
  width: 78%;
  height: 82%;
  background: var(--mist);
  border-radius: var(--radius-l);
  transform: rotate(-8deg);
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -60px;
  top: -70px;
  width: 190px;
  height: 190px;
  border: 14px solid var(--sand);
  border-radius: 50%;
  opacity: .7;
  z-index: 0;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
  margin-top: clamp(16px, 2.6vw, 28px);
}

.page-faq .faq-hero__intro {
  min-width: 0;
}

.page-faq .section__eyebrow {
  color: var(--bamboo-deep);
  font-size: .76rem;
  letter-spacing: .14em;
  margin: 0;
}

.page-faq h1 {
  font-size: clamp(1.95rem, 4.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
  margin: .42em 0 .5em;
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.78;
  color: var(--slate);
  max-width: 36em;
  margin: 0;
}

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

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__stat-num {
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 500;
  color: var(--bamboo-deep);
  line-height: 1;
}

.page-faq .faq-hero__stat-label {
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-faq .faq-hero__visual {
  overflow: hidden;
  border-radius: var(--radius-l);
  background: var(--navy);
  box-shadow: var(--shadow-1);
  transform: rotate(-1.2deg);
  border: 1px solid var(--line-invert);
}

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

/* 标签云 */
.page-faq .faq-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 40px);
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--bamboo);
  border-radius: var(--radius-m);
}

.page-faq .faq-cloud__label {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--slate);
  margin-right: 4px;
}

.page-faq .faq-cloud__hint {
  font-size: .78rem;
  color: var(--slate);
  margin-left: auto;
}

/* 主体双栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(34px, 5vw, 68px);
}

/* 左侧目录 */
.page-faq .faq-index {
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 16px;
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-faq .faq-index__list {
  list-style: none;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin: 10px 0 0;
  padding: 0 0 6px;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 11px;
  border-radius: var(--radius-s);
  font-size: .88rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(62, 142, 90, .16);
  color: var(--bamboo-deep);
}

.page-faq .faq-index__num {
  font-size: .72rem;
  font-weight: 500;
  color: var(--bamboo);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: .82rem;
  color: var(--slate);
}

.page-faq .faq-index__cta {
  color: var(--bamboo-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 右侧问答流 */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-faq .faq-section__title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 8px;
  font-size: clamp(1.32rem, 2.5vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
  padding-left: 14px;
  border-left: 5px solid var(--orange);
  line-height: 1.3;
}

.page-faq .faq-section__idx {
  font-size: .82rem;
  font-weight: 500;
  color: var(--bamboo);
  letter-spacing: .06em;
}

.page-faq .faq-section__lead {
  margin: 0 0 16px;
  padding-left: 19px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 58ch;
}

/* 折叠问答 */
.page-faq .qa {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa[open] {
  background: linear-gradient(180deg, var(--mist) 0%, var(--paper) 78%);
}

.page-faq .qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 12px 16px 8px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(.98rem, 1.35vw, 1.06rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color .18s ease;
}

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

.page-faq .qa__summary:hover {
  color: var(--bamboo-deep);
}

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  border-radius: var(--radius-s);
}

.page-faq .qa__summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1.1;
  font-weight: 500;
  color: var(--orange);
}

.page-faq .qa[open] .qa__summary::after {
  content: "–";
}

.page-faq .qa__num {
  flex: 0 0 auto;
  width: var(--faq-num-w);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--bamboo);
  padding-top: .32em;
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__body {
  padding: 0 16px 20px calc(var(--faq-num-w) + 20px);
  font-size: .94rem;
  line-height: 1.85;
  color: var(--slate);
  max-width: 66ch;
}

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

.page-faq .qa__body p + p {
  margin-top: .7em;
}

.page-faq .qa__body a {
  color: var(--bamboo-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 面板批次卡 */
.page-faq .panel-card {
  display: grid;
  gap: 18px;
  margin: 20px 0 22px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--navy);
  color: var(--paper);
  border-radius: var(--radius-m);
  position: relative;
  overflow: hidden;
}

.page-faq .panel-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: var(--bamboo);
  opacity: .28;
  pointer-events: none;
}

.page-faq .panel-card > * {
  position: relative;
  z-index: 1;
}

.page-faq .panel-card__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  color: rgba(247, 245, 239, .62);
}

.page-faq .panel-card__ver {
  margin: 6px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(1.28rem, 2.6vw, 1.68rem);
  font-weight: 500;
  color: var(--focus);
  line-height: 1.2;
}

.page-faq .panel-card__desc {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(247, 245, 239, .8);
}

/* 兼容示意 */
.page-faq .faq-figure {
  margin: 20px 0 22px;
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--mist);
  border: 1px solid var(--line);
}

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

.page-faq .faq-figure .media__caption {
  padding: 10px 14px;
  font-size: .8rem;
  color: var(--slate);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

/* 结尾行动块 */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 22px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(24px, 4vw, 42px);
  background: var(--bamboo-deep);
  color: var(--paper);
  border-radius: var(--radius-l);
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: var(--bamboo);
  opacity: .45;
  pointer-events: none;
}

.page-faq .faq-cta > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-cta__eyebrow {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: rgba(247, 245, 239, .68);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-size: clamp(1.28rem, 2.6vw, 1.7rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(247, 245, 239, .84);
  max-width: 46ch;
}

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

.page-faq .faq-cta .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 245, 239, .55);
  background: transparent;
}

.page-faq .faq-cta .btn--ghost:hover,
.page-faq .faq-cta .btn--ghost:focus-visible {
  background: rgba(247, 245, 239, .14);
  color: var(--paper);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-faq .panel-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
  }

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

@media (max-width: 520px) {
  .page-faq .faq-cloud {
    padding: 14px;
  }

  .page-faq .faq-cloud__hint {
    margin-left: 0;
    width: 100%;
  }

  .page-faq .qa__summary {
    gap: 8px;
    padding-right: 8px;
  }

  .page-faq .qa__body {
    padding-left: 12px;
  }

  .page-faq .faq-hero__stats {
    gap: 12px 18px;
  }
}
<<<END>>>