.page-faq {
  --faq-glow: radial-gradient(58% 46% at 18% 0%, rgba(58, 240, 220, .16), transparent 68%),
               radial-gradient(52% 44% at 88% 8%, rgba(139, 92, 255, .18), transparent 70%);
  --faq-panel: rgba(12, 20, 36, .74);
  --faq-panel-strong: rgba(12, 20, 36, .92);
  display: block;
  padding-bottom: clamp(56px, 9vw, 130px);
}

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(32px, 6vw, 76px) clamp(20px, 4vw, 44px);
  background-image: var(--faq-glow);
  background-repeat: no-repeat;
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  margin-top: clamp(24px, 4vw, 44px);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(139, 92, 255, .45) 42%, transparent 92%);
  opacity: .55;
}

.page-faq .faq-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3.6vw, 38px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-meta__cell {
  padding: 14px 16px;
  background: var(--faq-panel-strong);
}

.page-faq .faq-meta dt {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

.page-faq .faq-meta .data-num {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-faq .faq-steps,
.page-faq .faq-settings,
.page-faq .faq-qa,
.page-faq .faq-stuck,
.page-faq .faq-terms,
.page-faq .faq-next {
  padding-block: clamp(40px, 7vw, 92px);
}

.page-faq .faq-settings {
  background: linear-gradient(180deg, rgba(139, 92, 255, .07), transparent 62%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "mark title"
    "note note";
  column-gap: 14px;
  row-gap: 8px;
  align-items: baseline;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-faq .chapter__mark {
  grid-area: mark;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  padding-top: .45em;
}

.page-faq .chapter__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

.page-faq .chapter__note {
  grid-area: note;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 34em;
}

/* 五步流程条 */
.page-faq .step-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-faq .step-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--faq-panel);
  color: var(--text);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .24s var(--ease), background .24s var(--ease), transform .24s var(--ease);
}

.page-faq .step-chip:hover,
.page-faq .step-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(58, 240, 220, .08);
  transform: translateY(-1px);
}

.page-faq .step-chip__num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .step-chip__t {
  color: var(--muted);
}

.page-faq .faq-steps__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-faq .faq-steps__figure .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.page-faq .step-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .step-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity .24s var(--ease);
}

.page-faq .step-item:hover,
.page-faq .step-item:focus-within {
  border-color: rgba(58, 240, 220, .45);
}

.page-faq .step-item:hover::before,
.page-faq .step-item:focus-within::before {
  opacity: 1;
}

.page-faq .step-item .fold__trigger {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  margin: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .step-item__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .step-item__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .step-item__time {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .step-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-faq .step-item__sign::before,
.page-faq .step-item__sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .step-item__sign::before {
  inset: 6px 0 auto 0;
  height: 1.5px;
}

.page-faq .step-item__sign::after {
  inset: 0 0 auto 6.25px;
  width: 1.5px;
  height: 14px;
}

.page-faq .step-item .fold__trigger[aria-expanded="true"] .step-item__sign::after {
  transform: scaleY(0);
}

.page-faq .step-item .fold__trigger[aria-expanded="true"] .step-item__sign::before {
  background: var(--cyan);
}

.page-faq .step-item .fold__inner {
  padding: 0 18px 18px 52px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .step-item .fold__inner p {
  margin: 0 0 10px;
  max-width: 34em;
}

.page-faq .step-item .fold__inner p:last-child {
  margin-bottom: 0;
}

/* 设置路径 */
.page-faq .settings-layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
}

.page-faq .settings-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .setting-row {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx name"
    "idx desc"
    "idx effect";
  column-gap: 16px;
  row-gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(58, 240, 220, .5);
  border-radius: 4px var(--radius) var(--radius) 4px;
  background: var(--faq-panel-strong);
}

.page-faq .setting-row__idx {
  grid-area: idx;
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  color: rgba(233, 239, 249, .22);
  padding-top: 2px;
}

.page-faq .setting-row__name {
  grid-area: name;
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .setting-row__desc {
  grid-area: desc;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 34em;
}

.page-faq .setting-row__effect {
  grid-area: effect;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
  opacity: .88;
}

.page-faq .settings-figure {
  margin: 0;
}

.page-faq .settings-figure .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: 420px;
}

/* 问答 */
.page-faq .qa-list {
  display: grid;
  gap: 8px;
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-faq .qa-item:hover,
.page-faq .qa-item:focus-within {
  border-color: rgba(139, 92, 255, .45);
}

.page-faq .qa-item .fold__trigger {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 15px 18px 15px 22px;
  margin: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.page-faq .qa-item .fold__trigger::before {
  content: "";
  position: absolute;
  inset: 12px auto 12px 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--violet);
  opacity: .35;
  transition: opacity .24s var(--ease), background .24s var(--ease);
}

.page-faq .qa-item .fold__trigger[aria-expanded="true"]::before {
  opacity: 1;
  background: var(--cyan);
}

.page-faq .qa-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-faq .qa-item__sign::before,
.page-faq .qa-item__sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .qa-item__sign::before {
  inset: 6.25px 0 auto 0;
  height: 1.5px;
}

.page-faq .qa-item__sign::after {
  inset: 0 0 auto 6.25px;
  width: 1.5px;
  height: 14px;
}

.page-faq .qa-item .fold__trigger[aria-expanded="true"] .qa-item__sign::after {
  transform: scaleY(0);
}

.page-faq .qa-item .fold__trigger[aria-expanded="true"] .qa-item__sign::before {
  background: var(--cyan);
}

.page-faq .qa-item .fold__inner {
  padding: 0 22px 16px 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .qa-item .fold__inner p {
  margin: 0;
  max-width: 34em;
}

.page-faq .qa-aside {
  margin-bottom: 14px;
}

.page-faq .qa-aside .card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 240, 220, .4);
}

.page-faq .qa-aside .card__body a:hover {
  border-bottom-color: var(--cyan);
}

/* 卡点 */
.page-faq .stuck-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-faq .stuck-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "icon label"
    "icon act";
  column-gap: 14px;
  row-gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-panel);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-faq .stuck-item:hover {
  border-color: rgba(255, 108, 147, .4);
  transform: translateY(-2px);
}

.page-faq .stuck-item__icon {
  grid-area: icon;
  color: var(--cyan);
  margin-top: 2px;
}

.page-faq .stuck-item__label {
  grid-area: label;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .stuck-item__act {
  grid-area: act;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 术语表 */
.page-faq .term-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--faq-panel-strong);
}

.page-faq .term-table__head {
  display: none;
}

.page-faq .term-table__row {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .term-table__row:last-child {
  border-bottom: 0;
}

.page-faq .term-table__term {
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .term-table__plain {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 接下来 */
.page-faq .next-grid {
  display: grid;
  gap: 12px;
}

.page-faq .next-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-panel);
  text-decoration: none;
  overflow: hidden;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-faq .next-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  opacity: .7;
  transition: opacity .24s var(--ease);
}

.page-faq .next-card--cyan::after {
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
}

.page-faq .next-card--violet::after {
  background: linear-gradient(90deg, var(--violet), transparent 78%);
}

.page-faq .next-card:hover,
.page-faq .next-card:focus-visible {
  transform: translateY(-2px);
}

.page-faq .next-card--cyan:hover,
.page-faq .next-card--cyan:focus-visible {
  border-color: rgba(58, 240, 220, .5);
}

.page-faq .next-card--violet:hover,
.page-faq .next-card--violet:focus-visible {
  border-color: rgba(139, 92, 255, .5);
}

.page-faq .next-card__idx {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .next-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .next-card__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 32em;
}

.page-faq .next-card__go {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .next-card--violet .next-card__go {
  color: var(--violet);
}

.page-faq .next-foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

.page-faq .next-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 240, 220, .38);
}

.page-faq .next-foot a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-faq .faq-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .term-table__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 18px;
    padding: 12px 18px;
    background: rgba(30, 43, 69, .5);
    border-bottom: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .18em;
    color: var(--muted);
  }

  .page-faq .term-table__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-faq .chapter {
    grid-template-columns: auto minmax(0, 1fr) minmax(220px, 300px);
    grid-template-areas: "mark title note";
    column-gap: 20px;
    align-items: start;
  }

  .page-faq .chapter__note {
    padding-top: .5em;
    text-align: right;
  }

  .page-faq .settings-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-faq .settings-figure .media-frame {
    max-width: 100%;
  }

  .page-faq .step-item .fold__inner {
    padding-left: 60px;
    padding-right: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-chip,
  .page-faq .stuck-item,
  .page-faq .next-card,
  .page-faq .setting-row,
  .page-faq .step-item,
  .page-faq .qa-item {
    transition: none;
  }

  .page-faq .step-chip:hover,
  .page-faq .stuck-item:hover,
  .page-faq .next-card:hover {
    transform: none;
  }
}