.page-faq {
  --faq-line: 2px solid var(--vw-edge);
  --faq-cyan-soft: rgba(61, 240, 200, .08);
}

.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-top: clamp(18px, 3.4vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vw-gap);
}

.page-faq .faq-hero__title {
  font-family: var(--vw-font-narrow);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 48px);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: .3em 0 .5em;
  color: var(--vw-bone);
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  color: var(--vw-bone);
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-jump__link {
  display: inline-block;
  padding: 6px 12px;
  border: var(--faq-line);
  font-family: var(--vw-font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--vw-mist);
  text-decoration: none;
  transition: color .2s var(--vw-ease), border-color .2s var(--vw-ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--vw-cyan);
  border-color: var(--vw-cyan);
  outline: none;
}

.page-faq .faq-hero__stat {
  border: var(--faq-line);
  background: linear-gradient(158deg, var(--vw-forest) 0%, var(--vw-layer) 62%, var(--vw-ink) 100%);
  box-shadow: var(--vw-shadow);
  padding: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__figure {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 8px 0 12px;
}

.page-faq .faq-hero__num {
  font-family: var(--vw-font-mono);
  font-weight: 700;
  font-size: clamp(64px, 14vw, 96px);
  line-height: .95;
  color: var(--vw-cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__unit {
  font-size: 16px;
  color: var(--vw-cyan-2);
}

.page-faq .faq-hero__note {
  margin: 0;
  color: var(--vw-mist);
  font-size: 15px;
  line-height: 1.75;
}

/* 章节公共 */
.page-faq .faq-h2 {
  margin-bottom: .4em;
}

.page-faq .faq-intro {
  max-width: 72ch;
  color: var(--vw-mist);
  line-height: 1.8;
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 32px) 0;
  border: var(--faq-line);
  background: var(--vw-layer);
}

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

.page-faq .faq-note {
  margin-top: 18px;
}

/* 三步入门 */
.page-faq .faq-steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vw-gap);
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  border-left: 4px solid var(--vw-mid);
  background: var(--vw-layer);
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color .2s var(--vw-ease);
}

.page-faq .faq-steps__item:hover {
  border-left-color: var(--vw-cyan);
}

.page-faq .faq-steps__no {
  display: block;
  font-family: var(--vw-font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--vw-cyan-2);
}

.page-faq .faq-steps__title {
  margin: 8px 0 10px;
  color: var(--vw-bone);
}

.page-faq .faq-steps__item p {
  margin: 0 0 10px;
  color: var(--vw-mist);
  line-height: 1.78;
}

.page-faq .faq-steps__tip {
  border-top: 1px dashed var(--vw-edge);
  padding-top: 10px;
  font-size: 14px;
}

.page-faq .faq-steps__go {
  font-family: var(--vw-font-mono);
  font-size: 13px;
}

/* 字段口径表 */
.page-faq .faq-tablewrap {
  margin-top: clamp(18px, 2.6vw, 28px);
  overflow-x: auto;
  border: var(--faq-line);
  background: var(--vw-layer);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--vw-font-mono);
  font-size: 13px;
  color: var(--vw-mist);
  border-bottom: var(--faq-line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--vw-edge);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-table thead th {
  font-family: var(--vw-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--vw-cyan);
  background: var(--vw-ink);
}

.page-faq .faq-table tbody th {
  color: var(--vw-gold);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--vw-bone);
}

.page-faq .faq-table tbody td:last-child {
  color: var(--vw-mist);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

/* 复盘流程 */
.page-faq .faq-review {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0 0 0 clamp(18px, 3vw, 32px);
  border-left: var(--faq-line);
}

.page-faq .faq-review__item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-review__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(18px, 3vw, 32px) - 7px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--vw-ink);
  border: 2px solid var(--vw-cyan);
}

.page-faq .faq-review__item:last-child {
  padding-bottom: 0;
}

.page-faq .faq-review__no {
  margin: 0;
  font-family: var(--vw-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--vw-cyan-2);
}

.page-faq .faq-review__title {
  margin: 6px 0 8px;
  color: var(--vw-bone);
}

.page-faq .faq-review__item p:last-child {
  margin: 0;
  max-width: 68ch;
  color: var(--vw-mist);
  line-height: 1.8;
}

/* 常见疑问 */
.page-faq .faq-qa__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vw-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-qa__index {
  border: var(--faq-line);
  background: var(--vw-layer);
  padding: 16px;
}

.page-faq .faq-qa__index-title {
  margin: 0 0 12px;
}

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

.page-faq .faq-qa__index-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid var(--vw-edge);
  color: var(--vw-mist);
  text-decoration: none;
  font-size: 14px;
  transition: color .2s var(--vw-ease), border-color .2s var(--vw-ease), background .2s var(--vw-ease);
}

.page-faq .faq-qa__index-link:hover,
.page-faq .faq-qa__index-link:focus-visible {
  color: var(--vw-cyan);
  border-left-color: var(--vw-cyan);
  background: var(--faq-cyan-soft);
  outline: none;
}

.page-faq .faq-qa__index-no {
  font-family: var(--vw-font-mono);
  font-size: 12px;
  color: var(--vw-cyan-2);
}

.page-faq .faq-qa__index-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--vw-mist);
  line-height: 1.7;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-filter .vw-filter__btn {
  font-family: var(--vw-font-mono);
  font-size: 13px;
  padding: 7px 12px;
  border: var(--faq-line);
  background: transparent;
  color: var(--vw-mist);
  cursor: pointer;
  transition: color .2s var(--vw-ease), border-color .2s var(--vw-ease), background .2s var(--vw-ease);
}

.page-faq .faq-filter .vw-filter__btn[aria-pressed="true"] {
  color: var(--vw-ink);
  background: var(--vw-cyan);
  border-color: var(--vw-cyan);
}

.page-faq .faq-filter .vw-filter__btn:hover,
.page-faq .faq-filter .vw-filter__btn:focus-visible {
  border-color: var(--vw-cyan);
  color: var(--vw-cyan);
  outline: none;
}

.page-faq .faq-filter .vw-filter__btn[aria-pressed="true"]:hover {
  color: var(--vw-ink);
}

.page-faq .faq-filter__empty {
  margin: 0 0 16px;
  padding: 14px 16px;
  border: 2px dashed var(--vw-ember);
  color: var(--vw-mist);
  font-size: 14px;
}

.page-faq .faq-qa__cell {
  display: block;
}

.page-faq .faq-qa__item {
  border: var(--faq-line);
  background: var(--vw-layer);
  margin-bottom: 12px;
  transition: border-color .2s var(--vw-ease), box-shadow .2s var(--vw-ease);
}

.page-faq .faq-qa__item[open] {
  border-color: var(--vw-cyan);
  box-shadow: var(--vw-shadow-sm);
}

.page-faq .faq-qa__item:target {
  border-color: var(--vw-gold);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 16px;
  color: var(--vw-bone);
  line-height: 1.6;
}

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

.page-faq .faq-qa__q:focus-visible {
  outline: 2px solid var(--vw-cyan);
  outline-offset: -2px;
}

.page-faq .faq-qa__no {
  font-family: var(--vw-font-mono);
  font-size: 13px;
  color: var(--vw-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-qa__a {
  padding: 0 16px 18px 47px;
  border-top: 1px solid var(--vw-edge);
  margin-top: 0;
  padding-top: 14px;
}

.page-faq .faq-qa__a p {
  margin: 0 0 10px;
  color: var(--vw-mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-qa__a p:first-child {
  color: var(--vw-bone);
}

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

/* 支持渠道 */
.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--vw-gap);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
}

.page-faq .faq-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--vw-edge);
  color: var(--vw-bone);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-checklist__item:first-child {
  border-top: 1px solid var(--vw-edge);
}

.page-faq .faq-checklist__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  background: var(--vw-cyan);
  box-shadow: 0 0 0 3px var(--faq-cyan-soft);
}

.page-faq .faq-support__panel {
  border: var(--faq-line);
  box-shadow: var(--vw-shadow);
  align-self: start;
}

.page-faq .faq-support__line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--vw-edge);
  color: var(--vw-bone);
  font-size: 15px;
  word-break: break-word;
}

.page-faq .faq-support__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--vw-cyan-2);
  min-width: 44px;
}

.page-faq .faq-support__note {
  margin: 14px 0 18px;
  font-size: 13px;
  color: var(--vw-mist);
  line-height: 1.7;
}

.page-faq .faq-support__btn {
  display: inline-block;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-faq .faq-qa__index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__num {
    font-size: 60px;
  }

  .page-faq .faq-qa__a {
    padding-left: 18px;
  }

  .page-faq .faq-review {
    padding-left: 18px;
  }

  .page-faq .faq-review__item::before {
    left: -25px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .01ms !important;
  }
}