.page-faq {
  --faq-idx: 236px;
  padding-bottom: 88px;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--sub);
  flex-wrap: wrap;
}
.page-faq .breadcrumb a {
  color: var(--sub);
  text-decoration: none;
  transition: color .16s var(--ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--volt);
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--text);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding: 30px 0 0;
}
.page-faq .section__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--volt);
}
.page-faq h1 {
  margin: 16px 0 0;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sub);
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 44px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-stat {
  min-width: 118px;
}
.page-faq .faq-stat__value {
  display: block;
  font-family: var(--font-score);
  font-weight: 900;
  font-size: 36px;
  line-height: 1;
  color: var(--pure);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-stat__value em {
  font-style: normal;
  font-size: 15px;
  font-weight: 700;
  color: var(--volt);
  margin-left: 4px;
}
.page-faq .faq-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--sub);
}
.page-faq .faq-hero__media {
  margin: 0;
  min-height: 190px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}
.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 300px;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06) brightness(.95);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  margin-top: 50px;
}

/* 左侧主题索引 */
.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sub);
}
.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
}
.page-faq .faq-index__list li {
  flex: 0 0 auto;
}
.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--sub);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--volt);
  border-color: var(--volt-deep);
  background: var(--wash);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--surge);
}

/* 筛选 */
.page-faq .faq-filter {
  margin-bottom: 32px;
}

/* 热门问题 */
.page-faq .faq-hot {
  padding: 24px 22px 26px;
  margin-bottom: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--panel) 0%, rgba(7, 11, 24, .6) 100%);
}
.page-faq .faq-hot__title {
  margin: 0 0 6px;
  font-size: 20px;
  color: var(--text);
}
.page-faq .faq-hot__sub {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--sub);
}
.page-faq .faq-hot__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}
.page-faq .faq-hot__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid rgba(30, 44, 76, .7);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  transition: color .16s var(--ease);
}
.page-faq .faq-hot__list li:first-child .faq-hot__link {
  border-top: 0;
}
.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible {
  color: var(--volt);
}
.page-faq .faq-hot__arrow {
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--surge);
}

/* 分组 */
.page-faq .faq-group {
  position: relative;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-group:first-child {
  margin-top: 0;
}
.page-faq .faq-group::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--volt);
}
.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 4px;
}
.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--surge);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -.005em;
  color: var(--text);
}
.page-faq .faq-group__lead {
  margin: 10px 0 14px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sub);
}

/* 问答条目 */
.page-faq .qa {
  border-bottom: 1px solid rgba(30, 44, 76, .7);
  transition: background .2s var(--ease);
}
.page-faq .qa:target {
  background: linear-gradient(90deg, rgba(184, 255, 60, .07), transparent 72%);
  border-radius: var(--radius-sm);
}
.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  transition: color .16s var(--ease);
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--volt);
}
.page-faq .qa__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sub);
}
.page-faq .qa__text {
  flex: 1 1 auto;
  font-weight: 500;
}
.page-faq .qa__icon {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--sub);
  transition: background .2s var(--ease);
}
.page-faq .qa__icon::before {
  width: 10px;
  height: 1px;
  transform: translate(-50%, -50%);
}
.page-faq .qa__icon::after {
  width: 1px;
  height: 10px;
  transform: translate(-50%, -50%);
}
.page-faq .qa[open] .qa__icon {
  transform: rotate(90deg);
  border-color: var(--volt);
}
.page-faq .qa[open] .qa__icon::before,
.page-faq .qa[open] .qa__icon::after {
  background: var(--volt);
}
.page-faq .qa__a {
  max-width: 62ch;
  padding: 0 0 22px 34px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sub);
}
.page-faq .qa__a p {
  margin: 0 0 .9em;
}
.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__a a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .qa__steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}
.page-faq .qa__steps li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 34px;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.8;
}
.page-faq .qa__steps li:last-child {
  margin-bottom: 0;
}
.page-faq .qa__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--volt);
}
.page-faq .qa__path {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid rgba(184, 255, 60, .2);
  border-radius: 4px;
  background: var(--wash);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--volt);
}

/* 推送分组配图 */
.page-faq .faq-push__media {
  margin: 0 0 20px;
  max-width: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}
.page-faq .faq-push__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

/* 兜底帮助区 */
.page-faq .faq-help {
  margin-top: 62px;
  padding: 32px 22px;
  border: 1px solid rgba(184, 255, 60, .16);
  border-radius: var(--radius-lg);
  background: var(--wash);
}
.page-faq .faq-help__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--text);
}
.page-faq .faq-help__lead {
  margin: 0 0 24px;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sub);
}
.page-faq .faq-help__grid {
  display: grid;
  gap: 12px;
}
.page-faq .faq-help__card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(13, 23, 48, .78);
}
.page-faq .faq-help__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--volt);
}
.page-faq .faq-help__value {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}
.page-faq .faq-help__desc {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sub);
}
.page-faq .faq-help__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-faq .faq-hot {
    padding: 28px 28px 30px;
  }
  .page-faq .faq-hot__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }
  .page-faq .faq-hot__list li:nth-child(-n+2) .faq-hot__link {
    border-top: 0;
  }
  .page-faq .faq-help {
    padding: 36px 32px;
  }
  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-push__media {
    float: right;
    width: 224px;
    max-width: none;
    margin: 4px 0 18px 28px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    gap: 44px;
    padding-top: 40px;
  }
  .page-faq .faq-hero__media {
    align-self: stretch;
  }
  .page-faq .faq-hero__media .media-frame__img {
    max-height: 360px;
  }
  .page-faq .faq-body {
    grid-template-columns: var(--faq-idx) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 62px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
  }
  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-index__list li {
    margin-bottom: 2px;
  }
  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 9px 10px 9px 14px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--volt);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__icon,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after,
  .page-faq .faq-index__link,
  .page-faq .faq-hot__link,
  .page-faq .breadcrumb a {
    transition: none;
  }
}