.page-faq {
  --faq-rail: 218px;
  --faq-line: var(--grid-line);
}

/* ---------- 封面 ---------- */
.page-faq .faq-hero {
  padding-top: 8px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 48ch;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--faq-line);
  display: grid;
  gap: 16px;
}

.page-faq .faq-hero__facts li {
  padding-left: 12px;
  border-left: 2px solid var(--flag-blue);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--gray-rock);
}

.page-faq .faq-hero__facts li:nth-child(2) {
  border-left-color: var(--amber);
}

.page-faq .faq-hero__facts li:nth-child(3) {
  border-left-color: var(--flag-green);
}

.page-faq .faq-hero__facts .data-num {
  display: block;
  margin-bottom: 4px;
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--flag-white);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-left: 3px solid var(--flag-red);
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 56px;
  }

  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-help {
  margin-top: 84px;
}

.page-faq .faq-help__head {
  max-width: 56ch;
}

.page-faq .faq-help__intro {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--gray-rock);
}

.page-faq .faq-tabs {
  display: grid;
  margin-top: 34px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-tabs__list {
  display: flex;
  gap: 8px;
  padding: 20px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tabs__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  background: transparent;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  color: var(--yak-white);
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-tabs__tab:hover,
.page-faq .faq-tabs__tab:focus-visible {
  border-color: var(--flag-blue);
  color: var(--flag-white);
}

.page-faq .faq-tabs__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: .06em;
  color: var(--gray-rock);
}

.page-faq .faq-tabs__tab[aria-selected="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--night-deep);
}

.page-faq .faq-tabs__tab[aria-selected="true"] .faq-tabs__num {
  color: var(--night-deep);
  opacity: .65;
}

.page-faq .faq-panel {
  padding: 6px 0 4px;
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel__lead {
  margin: 0 0 8px;
  padding: 16px 14px;
  border-left: 3px solid var(--flag-blue);
  background: rgba(46, 107, 255, .07);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--yak-white);
}

@media (min-width: 1024px) {
  .page-faq .faq-tabs {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    column-gap: 52px;
  }

  .page-faq .faq-tabs__list {
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 26px 0 0;
    overflow: visible;
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-tabs__tab {
    justify-content: flex-start;
    text-align: left;
    white-space: normal;
    padding: 14px 14px 14px 16px;
    border-width: 0 0 0 2px;
    border-color: var(--faq-line);
    border-radius: 0;
    font-weight: 700;
  }

  .page-faq .faq-tabs__tab:hover {
    background: rgba(46, 107, 255, .06);
  }

  .page-faq .faq-tabs__tab[aria-selected="true"] {
    background: transparent;
    border-left-color: var(--amber);
    color: var(--amber);
  }

  .page-faq .faq-tabs__tab[aria-selected="true"] .faq-tabs__num {
    color: var(--amber);
    opacity: 1;
  }

  .page-faq .faq-tabs__panel {
    grid-column: 2;
    grid-row: 1;
    padding: 26px 0 4px;
  }
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--yak-white);
  transition: color .25s var(--ease);
}

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

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

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

.page-faq .faq-item__marker {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 5px;
  border: 1px solid var(--faq-line);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--amber);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}

.page-faq .faq-item__marker::before {
  width: 7px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__marker::after {
  width: 1px;
  height: 7px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__marker {
  border-color: var(--amber);
  background: rgba(242, 183, 5, .12);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 2px 22px 30px;
}

.page-faq .faq-item__a p {
  margin: 0 0 11px;
  font-size: 0.93rem;
  line-height: 1.85;
  color: rgba(244, 241, 234, .76);
}

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

.page-faq .faq-item__a strong {
  color: var(--flag-white);
  font-weight: 700;
}

.page-faq .faq-item__a a {
  color: var(--flag-blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-item__a a:hover {
  color: var(--flag-white);
}

/* ---------- 纠错三步 ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: 26px 0 6px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-flow__step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--flag-red);
}

.page-faq .faq-flow__num {
  font-size: 0.95rem;
  color: var(--flag-red);
  letter-spacing: .04em;
}

.page-faq .faq-flow__label {
  font-size: 0.9rem;
  color: var(--yak-white);
}

@media (min-width: 720px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-flow__step {
    border-left-width: 1px;
    border-right-width: 0;
  }

  .page-faq .faq-flow__step:first-child {
    border-left: 2px solid var(--flag-red);
  }

  .page-faq .faq-flow__step:last-child {
    border-right: 1px solid var(--faq-line);
  }
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-prep {
  margin-top: 90px;
  padding-bottom: 24px;
}

.page-faq .faq-prep__grid {
  display: grid;
  gap: 34px;
  margin-top: 36px;
}

.page-faq .faq-prep__media {
  margin: 0;
  align-self: start;
}

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

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-steps__num {
  grid-row: 1 / span 2;
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--flag-yellow);
}

.page-faq .faq-steps__title {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--flag-white);
}

.page-faq .faq-steps__desc {
  margin-top: 5px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--gray-rock);
}

@media (min-width: 860px) {
  .page-faq .faq-prep__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  margin-top: 30px;
  padding: 22px 20px;
  background: var(--night-deep);
  border-left: 3px solid var(--flag-green);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-contact__label {
  flex: 0 0 78px;
  font-size: 0.78rem;
  letter-spacing: .06em;
  color: var(--gray-rock);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  color: var(--flag-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-contact__value:hover {
  color: var(--flag-blue);
  border-bottom-color: currentColor;
}

.page-faq .faq-contact__copy {
  margin-left: auto;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--gray-rock);
}

.page-faq .faq-prep__aside {
  margin: 26px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--gray-rock);
}

.page-faq .faq-prep__aside a {
  color: var(--flag-blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-prep__aside a:hover {
  color: var(--flag-white);
}

/* ---------- 降级与动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tabs__tab,
  .page-faq .faq-item__q,
  .page-faq .faq-item__marker,
  .page-faq .faq-item__marker::before,
  .page-faq .faq-item__marker::after,
  .page-faq .faq-contact__value {
    transition: none;
  }
}
<<<END>>>