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

.page-faq .faq-hero {
  position: relative;
  padding: clamp(88px, 12vh, 144px) 0 clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(142deg, rgba(34, 211, 197, 0.12), transparent 52%),
    radial-gradient(circle at 84% 14%, rgba(245, 158, 91, 0.14), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper-50);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .breadcrumb a {
  color: var(--paper-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .breadcrumb__sep {
  color: var(--hair-strong);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(46px, 9vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--paper-70);
}

.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hot__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-hot a {
  display: inline-block;
  padding: 7px 12px;
  font-size: 12.5px;
  color: var(--paper-70);
  text-decoration: none;
  border: 1px solid var(--hair-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair-strong);
  background: var(--ink-2);
}

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

.page-faq .faq-hero__media .media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--orange);
}

.page-faq .faq-shell {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(64px, 9vw, 112px);
}

/* 左侧索引 */
.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper-35);
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 13px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--paper-70);
  text-decoration: none;
  border: 1px solid var(--hair-strong);
  background: rgba(16, 59, 51, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan);
}

.page-faq .faq-index__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-index__stats .stat {
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--paper);
}

.page-faq .faq-index__stats .stat__label {
  font-size: 11px;
  color: var(--paper-50);
}

/* 分类与问题 */
.page-faq .faq-cat + .faq-cat {
  margin-top: clamp(40px, 5vw, 64px);
}

.page-faq .faq-cat__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  align-items: baseline;
  padding-top: 16px;
  border-top: 1px solid var(--hair-strong);
}

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

.page-faq .faq-cat__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-cat__desc {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-50);
}

.page-faq .faq-list {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--hair);
  background: rgba(16, 59, 51, 0.45);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--hair-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--hair-strong);
  background: var(--ink-2);
}

.page-faq .faq-item--hot {
  border-left: 2px solid var(--orange);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-item__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin: 6px 0 0 auto;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .faq-item__icon::before {
  left: 0;
  top: 5.25px;
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  left: 5.25px;
  top: 0;
  width: 1.5px;
  height: 12px;
}

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

.page-faq .faq-item__a {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-70);
}

.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .steps li {
  position: relative;
  counter-increment: step;
  padding-left: 28px;
}

.page-faq .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan);
}

.page-faq .steps a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--teal);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .steps a:hover,
.page-faq .steps a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-item__note {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--teal);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-50);
}

/* 右侧延伸 */
.page-faq .faq-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-aside__card {
  padding: 18px;
  border: 1px solid var(--hair-strong);
  background: rgba(7, 26, 23, 0.55);
}

.page-faq .faq-aside__card--accent {
  border-left: 2px solid var(--orange);
}

.page-faq .faq-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-aside__list a {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-70);
  text-decoration: none;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--hair);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-aside__list li:last-child a {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-aside__list a:hover,
.page-faq .faq-aside__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-aside__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-aside__line {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  word-break: break-all;
  color: var(--paper);
}

.page-faq .faq-aside__line--muted {
  color: var(--paper-50);
}

.page-faq .faq-aside__copy {
  margin-top: 10px;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--hair-strong);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-aside__copy:hover,
.page-faq .faq-aside__copy:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-aside__status {
  margin: 8px 0 0;
  font-size: 11.5px;
  color: var(--cyan);
  min-height: 1em;
}

.page-faq .faq-aside__media {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--ink-2);
}

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

/* 断点 */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-faq .faq-item__a {
    padding: 0 20px 20px;
  }

  .page-faq .faq-item__text {
    font-size: 15.5px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-faq .faq-index__link {
    white-space: normal;
    justify-content: flex-start;
  }

  .page-faq .faq-index__stats {
    flex-direction: column;
    gap: 14px;
  }

  .page-faq .faq-aside {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-aside__media {
    grid-column: 1 / -1;
    max-width: 420px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-shell {
    grid-template-columns: 200px minmax(0, 1fr) 268px;
    column-gap: clamp(32px, 3vw, 56px);
  }

  .page-faq .faq-aside {
    grid-column: auto;
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-aside__media {
    grid-column: auto;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-aside__copy,
  .page-faq .faq-hot a {
    transition: none;
  }

  .page-faq .faq-index__link:hover {
    transform: none;
  }
}
<<<END>>>