.page-faq {
  --faq-hair: 1px solid var(--hair);
  --faq-hair-strong: 1px solid var(--hair-strong);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .faq-wrap {
  width: min(calc(100% - var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* 面包屑 */
.page-faq .breadcrumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-faq .breadcrumbs__link,
.page-faq .breadcrumbs__item--current span {
  color: var(--mute);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .breadcrumbs__link:hover {
  color: var(--flame);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 4vw, 36px) 0 clamp(40px, 7vw, 82px);
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(46, 242, 195, 0.14), transparent 62%),
    radial-gradient(90% 80% at 0% 0%, rgba(255, 90, 54, 0.12), transparent 55%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 100px);
  line-height: 0.94;
  letter-spacing: -0.03em;
  margin: 14px 0 0;
}

.page-faq .faq-hero__title span {
  display: block;
  color: var(--flame);
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--ice);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

/* 问题索引 */
.page-faq .faq-index {
  margin-top: clamp(24px, 4vw, 38px);
  border-top: var(--faq-hair-strong);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 4px 14px 0;
  border-bottom: var(--faq-hair);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.45;
  transition: color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

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

.page-faq .faq-index__meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
  white-space: nowrap;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--flame);
  border-bottom-color: rgba(255, 90, 54, 0.55);
  transform: translateX(4px);
  outline: none;
}

/* 首屏右侧状态面板 */
.page-faq .faq-hero__panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-panel__media {
  margin: 0;
  box-shadow: var(--lift);
}

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

.page-faq .faq-panel__stats {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: var(--faq-hair);
  display: grid;
  gap: 10px;
}

.page-faq .faq-panel__stats li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ice);
}

.page-faq .faq-copy {
  justify-self: start;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: transparent;
  border: 1px solid var(--flame);
  color: var(--flame);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--flame);
  color: var(--ink);
  outline: none;
}

.page-faq .faq-copy[data-state="done"] {
  background: var(--live);
  border-color: var(--live);
  color: var(--ink);
}

.page-faq .faq-copy[data-state="fail"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

/* 分组通用 */
.page-faq .faq-group,
.page-faq .faq-quick {
  border-top: var(--faq-hair-strong);
  padding: clamp(34px, 6vw, 66px) 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(12px, 2.4vw, 24px);
}

.page-faq .faq-group__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--flame);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-group__note {
  margin: 0;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.8;
  max-width: 48ch;
}

/* 折叠问答 */
.page-faq .faq-group__list {
  border-top: var(--faq-hair);
}

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

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: 4px;
}

.page-faq .faq-item__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
  padding-top: 4px;
}

.page-faq .faq-item__q {
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 500;
  line-height: 1.55;
  transition: color 0.2s ease;
}

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--flame);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-faq .faq-item__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item__head:hover .faq-item__q {
  color: var(--flame);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--flame);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 0 20px;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 64ch;
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faqIn 0.28s ease both;
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-inline-link {
  color: var(--flame);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--live);
}

/* 快速跳转 */
.page-faq .faq-quick__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(16px, 3vw, 26px);
}

.page-faq .faq-quick__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--hair);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--flame);
  background: var(--ink-3);
  outline: none;
}

.page-faq .faq-quick__no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--flame);
}

.page-faq .faq-quick__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-quick__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-faq .faq-quick__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--live);
}

/* 底部冰面纹理 */
.page-faq .faq-ice {
  position: relative;
  margin: 0;
  border-top: var(--faq-hair-strong);
  overflow: hidden;
  background: var(--ink-3);
}

.page-faq .faq-ice img {
  display: block;
  width: 100%;
  height: clamp(140px, 26vw, 300px);
  object-fit: cover;
  opacity: 0.55;
}

.page-faq .faq-ice__caption {
  position: absolute;
  right: var(--gutter);
  bottom: 14px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ice);
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item__body {
    padding-left: 46px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    grid-template-areas:
      "no no"
      "title note";
    column-gap: clamp(24px, 4vw, 56px);
    align-items: end;
  }

  .page-faq .faq-group__no {
    grid-area: no;
  }

  .page-faq .faq-group__title {
    grid-area: title;
  }

  .page-faq .faq-group__note {
    grid-area: note;
    padding-bottom: 6px;
  }

  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__body {
    animation: none;
  }

  .page-faq .faq-index__link,
  .page-faq .faq-quick__card {
    transition: none;
  }
}
<<<END>>>