.page-faq {
  --faq-line: 1px solid var(--ink-600);
  --faq-radius: 14px;
  --faq-code: var(--cyan-500);
  display: block;
  overflow-x: clip;
  padding-top: clamp(88px, 12vw, 132px);
  color: var(--white-100);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

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

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-size: clamp(38px, 7vw, 78px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 14em;
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 24px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

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

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(0, 229, 212, 0.16), rgba(255, 138, 61, 0.14) 55%, transparent 82%);
  pointer-events: none;
}

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

.page-faq .faq-hero__media .media__caption {
  position: relative;
  z-index: 1;
  display: block;
  padding: 12px 16px;
  border-top: var(--faq-line);
  background: var(--ink-800);
  font-size: 13px;
  color: var(--mist-300);
}

/* ---------- 问答区头部 ---------- */
.page-faq .faq-panel-section {
  padding: clamp(40px, 6vw, 72px) 0 clamp(32px, 5vw, 56px);
}

.page-faq .faq-panel-head {
  max-width: 46em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-panel-head h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.16;
  font-weight: 750;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.page-faq .faq-panel-head .lead {
  margin: 0;
  color: var(--mist-300);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: var(--faq-line);
}

.page-faq .faq-group__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-300);
}

.page-faq .faq-group__label::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan-500);
  flex: none;
}

.page-faq .faq-group__intro {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-group__list {
  border-top: var(--faq-line);
}

.page-faq .faq-item {
  border-bottom: var(--faq-line);
}

.page-faq .faq-q {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 22px;
  align-items: start;
  gap: 12px;
  width: 100%;
  padding: 20px 0 20px 16px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--cyan-500);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-q:hover {
  background: rgba(22, 41, 79, 0.5);
}

.page-faq .faq-q[aria-expanded="true"]::before {
  transform: scaleY(1);
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-500);
  padding-top: 3px;
}

.page-faq .faq-q__text {
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--white-100);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__text {
  color: var(--cyan-300);
}

.page-faq .faq-q__icon {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 3px;
}

.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  background: var(--mist-300);
  transition: transform 0.28s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-q__icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-q__icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__icon::before {
  background: var(--cyan-500);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__icon::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-a {
  padding: 0 0 22px 76px;
}

.page-faq .faq-a__text {
  margin: 0;
  max-width: 42em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--white-100);
}

.page-faq .faq-a__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
}

/* ---------- 适配分组旁图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-faq .faq-figure .media__caption {
  display: block;
  padding: 12px 16px;
  border-top: var(--faq-line);
  font-size: 13px;
  color: var(--mist-300);
}

/* ---------- 分割条 ---------- */
.page-faq .faq-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: clamp(40px, 6vw, 72px);
}

.page-faq .faq-divider__line {
  flex: 1;
  height: 1px;
  background: var(--ink-600);
}

.page-faq .faq-divider__mark {
  flex: none;
  padding: 6px 16px;
  border: var(--faq-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-300);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index-section {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-faq .faq-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 20px;
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  background: var(--ink-900);
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan-500);
  background: var(--ink-700);
}

.page-faq .faq-card__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-500);
}

.page-faq .faq-card__title {
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 650;
}

.page-faq .faq-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
}

.page-faq .faq-card__go {
  margin-top: auto;
  padding-top: 14px;
  border-top: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-300);
}

.page-faq .faq-card--accent {
  background: linear-gradient(160deg, var(--ink-700), var(--ink-800));
  border-color: var(--orange-500);
}

.page-faq .faq-card--accent .faq-card__key {
  color: var(--orange-300);
}

.page-faq .faq-card--accent .faq-card__go {
  color: var(--orange-300);
  border-top-color: var(--ink-600);
}

.page-faq .faq-index__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: 24px;
  border-top: var(--faq-line);
}

.page-faq .faq-index__foot .note {
  margin: 0;
}

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-group--wide {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-group--wide .faq-group__media {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-a {
    padding-left: 76px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-faq .faq-q {
    grid-template-columns: 40px minmax(0, 1fr) 20px;
    gap: 10px;
    padding-left: 12px;
  }

  .page-faq .faq-a {
    padding-left: 52px;
  }

  .page-faq .faq-hero__actions .btn,
  .page-faq .faq-index__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-q,
  .page-faq .faq-q::before,
  .page-faq .faq-q__icon::before,
  .page-faq .faq-q__icon::after {
    transition: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-visible {
    transform: none;
  }
}
<<<END>>>