.page-faq {
  --faq-card: #FBF8F0;
  --faq-rule: rgba(11, 46, 51, .16);
  background: var(--mist);
  color: var(--teal);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 13vw, 132px) 0 clamp(40px, 6vw, 76px);
  color: var(--mist);
  background:
    radial-gradient(circle at 82% 8%, rgba(184, 255, 61, .16), transparent 46%),
    linear-gradient(158deg, var(--teal) 0%, var(--ink) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 240, 230, .07) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(244, 240, 230, .05) 0 1px, transparent 1px 92px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: min(520px, 78vw);
  aspect-ratio: 1;
  background: var(--ochre);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  opacity: .5;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  align-items: end;
}

.page-faq .faq-hero__text .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .faq-hero__text .eyebrow {
  color: var(--sand);
  letter-spacing: .18em;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.page-faq .faq-hero .lede {
  margin-top: 20px;
  max-width: 52ch;
  color: rgba(244, 240, 230, .82);
  font-size: clamp(.98rem, 2.4vw, 1.08rem);
  line-height: 1.78;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid rgba(244, 240, 230, .3);
  border-radius: 999px;
  color: var(--mist);
  font-size: .86rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), color var(--ease), transform var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-size: .74rem;
  opacity: .8;
}

.page-faq .faq-hero__media .media-frame {
  max-width: 100%;
  box-shadow: 8px 8px 0 var(--ochre-deep);
}

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

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(36px, 6vw, 72px) 0 clamp(52px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

/* 索引 */
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .16em;
  color: var(--ochre-deep);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 2px solid var(--faq-rule);
  border-radius: 999px;
  color: var(--teal);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--ochre);
  background: rgba(166, 64, 45, .1);
  transform: translateX(2px);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--ochre);
}

.page-faq .faq-index__panel {
  margin-top: 18px;
  padding: 16px 18px;
  border: 3px solid var(--ink);
  background: var(--ink);
  color: var(--mist);
  box-shadow: 6px 6px 0 var(--ochre-deep);
}

.page-faq .faq-index__panel-title {
  margin: 0 0 10px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--sand);
}

.page-faq .faq-index__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 6px 0;
  font-size: .84rem;
  border-bottom: 1px dashed rgba(244, 240, 230, .18);
}

.page-faq .faq-index__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-index__row span {
  color: rgba(244, 240, 230, .72);
}

.page-faq .faq-index__row .num {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: .84rem;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  counter-reset: faq;
  margin-bottom: clamp(32px, 5vw, 54px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--teal);
  margin-bottom: 18px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  font-weight: 700;
  color: var(--ochre);
  line-height: 1;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.6vw, 1.9rem);
  letter-spacing: -.01em;
  line-height: 1.2;
}

.page-faq .faq-item {
  counter-increment: faq;
  border: 3px solid var(--teal);
  background: var(--faq-card);
  margin-bottom: 12px;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--ochre-deep);
  transform: translate(-2px, -2px);
}

.page-faq .faq-item[open] {
  border-color: var(--ochre-deep);
  box-shadow: 6px 6px 0 var(--ochre);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  font-family: var(--font-head);
  font-size: clamp(.96rem, 2.6vw, 1.06rem);
  font-weight: 800;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::before {
  content: counter(faq, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--ochre);
  padding-top: 3px;
}

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--ochre-deep);
  transition: transform var(--ease), color var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "+";
  transform: rotate(45deg);
  color: var(--teal);
}

.page-faq .faq-item summary:hover {
  background: rgba(228, 184, 106, .18);
}

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

.page-faq .faq-answer {
  padding: 14px 16px 18px;
  border-top: 2px dashed var(--faq-rule);
  font-size: .96rem;
  line-height: 1.8;
  color: var(--teal-soft);
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 66ch;
}

.page-faq .faq-answer a {
  color: var(--ochre-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

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

/* 同步配图 */
.page-faq .faq-sync-figure {
  margin: 20px 0 0;
  box-shadow: 8px 8px 0 var(--ochre-deep);
}

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

.page-faq .faq-sync-figure .media-frame__caption {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .02em;
}

/* 联系块 */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: clamp(18px, 4vw, 30px);
  border: 3px solid var(--ink);
  background:
    linear-gradient(140deg, var(--teal) 0%, var(--ink) 100%);
  color: var(--mist);
  box-shadow: 8px 8px 0 var(--ochre);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .18em;
  color: var(--sand);
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(244, 240, 230, .22);
}

.page-faq .faq-contact__item:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-contact__key {
  flex: 0 0 auto;
  min-width: 74px;
  font-size: .8rem;
  color: rgba(244, 240, 230, .68);
}

.page-faq .faq-contact__val {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  word-break: break-all;
  transition: color var(--ease);
}

.page-faq .faq-contact__val:hover,
.page-faq .faq-contact__val:focus-visible {
  color: var(--sand);
}

.page-faq .faq-contact__val--text {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--mist);
  word-break: normal;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(244, 240, 230, .72);
}

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

/* 回到顶部 */
.page-faq .faq-top-link {
  margin: 8px 0 0;
}

.page-faq .faq-top-link a {
  display: inline-block;
  padding: 10px 18px;
  border: 2px solid var(--teal);
  border-radius: 999px;
  color: var(--teal);
  font-size: .84rem;
  font-weight: 800;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.page-faq .faq-top-link a:hover,
.page-faq .faq-top-link a:focus-visible {
  background: var(--teal);
  color: var(--lime);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item summary {
    padding: 18px 22px;
  }

  .page-faq .faq-answer {
    padding: 16px 22px 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 60px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

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

  .page-faq .faq-index__link {
    width: 100%;
    padding: 11px 4px;
    border: 0;
    border-bottom: 2px solid var(--faq-rule);
    border-radius: 0;
    font-size: .88rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--ochre);
    transform: translateX(4px);
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-layout {
    grid-template-columns: 276px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item summary,
  .page-faq .faq-item summary::after,
  .page-faq .faq-jump a,
  .page-faq .faq-index__link,
  .page-faq .faq-top-link a {
    transition: none;
  }
}
<<<END>>>