.page-faq {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-hero {
  padding: 22px 0 6px;
}

.page-faq .faq-hero__body {
  max-width: 760px;
  margin-top: 18px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink-900);
}

.page-faq .faq-hero .lede {
  margin-top: 16px;
  max-width: 680px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-faq .faq-stat__unit {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone-400);
}

/* 分类速览 */
.page-faq .faq-cats__inner {
  display: grid;
  gap: 22px;
}

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

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num count"
    "title title"
    "sample sample";
  gap: 6px 10px;
  padding: 18px 18px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-2px);
  border-color: var(--amber-500);
}

.page-faq .faq-cat__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--celadon-700);
}

.page-faq .faq-cat__count {
  grid-area: count;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone-400);
}

.page-faq .faq-cat__title {
  grid-area: title;
  margin-top: 6px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-cat__sample {
  grid-area: sample;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-400);
}

.page-faq .faq-cats__media {
  border-radius: var(--radius);
  overflow: hidden;
}

/* 双栏问答 */
.page-faq .faq-list__note {
  margin-top: 10px;
  max-width: 620px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-400);
}

.page-faq .faq-body {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-faq .faq-side {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
}

.page-faq .faq-side__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone-400);
}

.page-faq .faq-side__total {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--clay-500);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-side__link {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 10px 11px 12px;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  text-decoration: none;
  color: var(--ink-700);
  font-size: 14px;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  background: var(--paper);
  border-left-color: var(--amber-500);
  color: var(--ink-900);
}

.page-faq .faq-side__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone-400);
}

.page-faq .faq-side__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--celadon-700);
}

.page-faq .faq-side__media {
  margin: 16px 0 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-groups {
  display: grid;
  gap: 30px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--amber-500);
}

.page-faq .faq-group__note {
  margin: 12px 0 16px;
  max-width: 620px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-400);
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:hover {
  color: var(--clay-500);
}

.page-faq .faq-item__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 2px solid var(--stone-400);
  border-bottom: 2px solid var(--stone-400);
  transform: rotate(-45deg);
  transition: transform 240ms var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(45deg);
  border-color: var(--amber-500);
}

.page-faq .faq-item__a {
  padding: 14px 16px 16px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  animation: faqDrop 240ms var(--ease);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-faq .faq-item__link {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-700);
  text-decoration: none;
  background: var(--white);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-item__link:hover,
.page-faq .faq-item__link:focus-visible {
  border-color: var(--amber-500);
  color: var(--ink-900);
}

@keyframes faqDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 客服出口 */
.page-faq .faq-help__grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-faq .faq-help__text p {
  margin: 0 0 14px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone-200);
}

.page-faq .faq-contact {
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 18px;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-contact__row--plain {
  border-bottom: 0;
}

.page-faq .faq-contact__key {
  flex: none;
  width: 70px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone-400);
}

.page-faq .faq-contact__val {
  flex: 1 1 160px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact__copy {
  flex: none;
  padding: 5px 14px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: transparent;
  color: var(--amber-300);
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-contact__copy:hover,
.page-faq .faq-contact__copy:focus-visible {
  border-color: var(--amber-500);
  color: var(--white);
}

.page-faq .faq-contact__copy[data-copied="true"] {
  border-color: var(--celadon-500);
  color: var(--celadon-500);
}

.page-faq .faq-contact__foot {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone-400);
}

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

  .page-faq .faq-contact {
    padding: 22px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 30px;
  }

  .page-faq .faq-body {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-cats__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    padding: 16px 20px 18px;
  }

  .page-faq .faq-body {
    grid-template-columns: 272px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-item__arrow,
  .page-faq .faq-item__link {
    transition-duration: 120ms;
  }

  .page-faq .faq-cat:hover {
    transform: none;
  }

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