.page-faq {
  --faq-account: #12724A;
  --faq-replay: #16324A;
  --faq-board: #A9731A;
  --faq-export: #C2440F;
  --faq-beta: #5B3FA8;
  --faq-cat: var(--faq-account);
  background: var(--paper);
  color: var(--text);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(40px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--on-dark-soft);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  max-width: 16em;
  color: var(--on-dark);
  line-height: 1.08;
}

.page-faq .faq-hero__lead .lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--on-dark-soft);
}

.page-faq .faq-hero__board {
  position: relative;
  padding: 24px 22px 22px 42px;
  border: 1px solid var(--hair-light);
  border-radius: var(--r-lg);
  background: rgba(22, 50, 74, .72);
}

.page-faq .faq-hero__board::before {
  content: "";
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 18px;
  width: 8px;
  background-image: repeating-linear-gradient(to bottom, var(--cyan) 0 1px, transparent 1px 8px);
  opacity: .75;
  pointer-events: none;
}

.page-faq .faq-board__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-board__list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-board__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark);
}

.page-faq .faq-board__list li .mono {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--score);
}

.page-faq .faq-board__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair-light);
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

/* 问答主体 */
.page-faq .faq-body {
  padding: clamp(44px, 6vw, 88px) 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-body__head {
  max-width: 38em;
}

.page-faq .faq-body__head h2 {
  margin: 10px 0 0;
}

.page-faq .faq-segment {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-segment .segment__list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-segment .segment__tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid rgba(124, 139, 153, .5);
  border-radius: var(--r-pill);
  background: #ffffff;
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-segment .segment__tab:hover {
  border-color: var(--haze);
  color: var(--ink);
}

.page-faq .faq-segment .segment__tab[aria-selected="true"] {
  border-color: var(--signal);
  background: rgba(255, 107, 44, .1);
  color: var(--night);
  box-shadow: inset 0 0 0 1px var(--signal);
}

.page-faq .faq-segment .segment__tab:focus-visible {
  outline: 2px solid var(--pitch);
  outline-offset: 3px;
}

.page-faq .segment__panel {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .segment__panel[data-panel="account"] { --faq-cat: var(--faq-account); }
.page-faq .segment__panel[data-panel="replay"]  { --faq-cat: var(--faq-replay); }
.page-faq .segment__panel[data-panel="board"]   { --faq-cat: var(--faq-board); }
.page-faq .segment__panel[data-panel="export"]  { --faq-cat: var(--faq-export); }
.page-faq .segment__panel[data-panel="beta"]    { --faq-cat: var(--faq-beta); }

.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--haze);
}

.page-faq .faq-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hair-dark);
}

.page-faq .faq-row:first-of-type {
  border-top: 1px solid var(--hair-dark);
}

.page-faq .faq-row__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--faq-cat);
}

.page-faq .faq-item {
  background: #ffffff;
  border: 1px solid var(--hair-dark);
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-cat);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--pitch);
  outline-offset: 2px;
  border-radius: var(--r-md);
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .faq-item__marker {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--haze);
  border-radius: 50%;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--haze);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item__marker::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__marker {
  border-color: var(--faq-cat);
}

.page-faq .faq-item[open] .faq-item__marker::before,
.page-faq .faq-item[open] .faq-item__marker::after {
  background: var(--faq-cat);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-item__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-item__body p + p {
  margin-top: 8px;
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--faq-cat);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.page-faq .faq-panel__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .faq-panel__foot a {
  color: var(--faq-cat);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 收束区 */
.page-faq .faq-help {
  padding: clamp(44px, 6vw, 88px) 0;
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-help__lead h2 {
  margin: 10px 0 0;
  color: var(--on-dark);
}

.page-faq .faq-help__text {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-dark-soft);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-help__actions .btn--ghost {
  border-color: rgba(245, 242, 233, .42);
  color: var(--on-dark);
}

.page-faq .faq-help__actions .btn--ghost:hover,
.page-faq .faq-help__actions .btn--ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-help__card {
  padding: 26px 24px;
  border: 1px solid var(--hair-light);
  border-radius: var(--r-lg);
  background: rgba(22, 50, 74, .6);
}

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

.page-faq .faq-help__v {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--on-dark);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__v.mono {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .01em;
}

.page-faq .faq-help__k + .faq-help__v {
  margin-bottom: 18px;
}

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

/* 断点 */
@media (min-width: 820px) {
  .page-faq .faq-row {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: start;
    gap: 0 24px;
    padding: 22px 0;
  }

  .page-faq .faq-row__no {
    padding-top: 21px;
    font-size: 13px;
  }

  .page-faq .faq-item__summary {
    padding: 18px 22px;
  }

  .page-faq .faq-item__q {
    font-size: 17px;
  }

  .page-faq .faq-item__body {
    padding: 0 22px 20px;
    font-size: 16px;
  }

  .page-faq .faq-hero__board {
    padding: 28px 26px 26px 48px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-figure {
    margin-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-segment .segment__tab,
  .page-faq .faq-item,
  .page-faq .faq-item__marker,
  .page-faq .faq-item__marker::before,
  .page-faq .faq-item__marker::after {
    transition: none;
  }
}
<<<END>>>