.page-faq {
  --faq-rail: 226px;
  --faq-gap: clamp(18px, 3vw, 44px);
  --faq-track: rgba(22, 26, 22, .06);
}

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(22px, 5vw, 56px) clamp(24px, 4vw, 48px);
  border-bottom: var(--border);
  background:
    repeating-linear-gradient(118deg, transparent 0 52px, var(--faq-track) 52px 55px),
    var(--paper);
  overflow: hidden;
}

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

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-hero__title em {
  font-style: italic;
  color: var(--kiwi);
  text-shadow: 3px 3px 0 rgba(11, 13, 11, .12);
}

.page-faq .faq-hero__lede {
  max-width: 42ch;
  margin: 0;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: .84rem;
  color: var(--muted);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-faq .faq-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--ink);
  border-bottom: 2px solid var(--kiwi);
}

.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(22px, 4vw, 46px) clamp(40px, 7vw, 84px);
}

/* 目录轨道 */
.page-faq .faq-rail {
  align-self: start;
}

.page-faq .faq-rail__cap {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollingbar-width: thin;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 2px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: .84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background .16s var(--ease-sprint), transform .16s var(--ease-sprint);
}

.page-faq .faq-rail__link .mono {
  font-family: var(--font-mono);
  color: var(--sky);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--kiwi);
  transform: translateY(-2px);
}

/* 内容流 */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-flow .section__title {
  font-family: var(--font-serif);
}

/* 三步轨道 */
.page-faq .step-track {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .step-track__item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 20px 0;
  border-left: 4px solid var(--ink);
  padding-left: 18px;
}

.page-faq .step-track__item:last-child {
  border-left-color: var(--kiwi);
}

.page-faq .step-track__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: var(--border);
  background: var(--kiwi);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.page-faq .step-track__item:last-child .step-track__num {
  background: var(--orange);
}

.page-faq .step-track__title {
  margin: 4px 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -.01em;
}

.page-faq .step-track__body p {
  margin: 0;
  max-width: 40ch;
  font-size: .94rem;
  line-height: 1.8;
}

.page-faq .faq-figure {
  margin: 0;
  border: var(--border);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
}

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

.page-faq .faq-figure .media__caption {
  padding: 9px 13px;
  border-top: 2px solid var(--ink);
  font-size: .78rem;
  color: var(--muted);
  background: var(--mist);
}

.page-faq .faq-figure--side .media__img {
  aspect-ratio: 3 / 4;
}

/* 问答手风琴 */
.page-faq .qa {
  border: var(--border);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
}

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

.page-faq .qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: .96rem;
  line-height: 1.5;
  letter-spacing: -.01em;
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  background: var(--flesh);
}

.page-faq .qa[open] {
  box-shadow: 6px 6px 0 var(--kiwi);
}

.page-faq .qa[open] .qa__q {
  background: var(--flesh);
  border-bottom: 2px solid var(--ink);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  background: var(--kiwi);
}

.page-faq .qa__a {
  padding: 13px 15px 16px;
  font-size: .92rem;
  line-height: 1.8;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 44ch;
}

.page-faq .qa__q-wrap {
  display: block;
}

/* 分栏 */
.page-faq .faq-split {
  align-items: start;
  gap: clamp(18px, 3vw, 30px);
}

.page-faq .faq-sub {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding-left: 10px;
  border-left: 5px solid var(--sky);
}

.page-faq .faq-qa > p {
  margin: 0 0 18px;
  font-size: .94rem;
  line-height: 1.85;
}

.page-faq .faq-qa > .faq-sub + .qa {
  margin-top: 4px;
}

/* 版本卡 */
.page-faq .faq-cards {
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-cards .card {
  border: var(--border);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-cards .card__title {
  font-family: var(--font-serif);
  font-weight: 900;
  margin: 4px 0 8px;
  font-size: 1.16rem;
  line-height: 1.3;
}

.page-faq .faq-cards .card__label {
  font-size: .76rem;
  letter-spacing: .1em;
}

.page-faq .faq-cards .card__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
}

/* 评分板 */
.page-faq .scoreboard {
  border: var(--border);
  background: var(--lake);
  color: var(--cream);
  box-shadow: var(--shadow);
  padding: 18px 16px 16px;
}

.page-faq .scoreboard__cap {
  margin: 0 0 14px;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--flesh);
}

.page-faq .scoreboard__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 13px;
}

.page-faq .score-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line-cream);
}

.page-faq .score-row__name {
  font-size: .86rem;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .score-row__ticks {
  display: flex;
  gap: 5px;
}

.page-faq .score-row__ticks i {
  display: block;
  width: 16px;
  height: 12px;
  border: 2px solid var(--cream);
  background: transparent;
}

.page-faq .score-row__ticks i.is-on {
  background: var(--flesh);
  border-color: var(--flesh);
}

.page-faq .score-row:first-child .score-row__ticks i.is-on:last-child,
.page-faq .score-row:last-child .score-row__ticks i.is-on:last-child {
  background: var(--orange);
  border-color: var(--orange);
}

.page-faq .score-row__val {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--orange);
  min-width: 1.2em;
  text-align: right;
}

.page-faq .scoreboard__foot {
  margin: 14px 0 0;
  font-size: .78rem;
  line-height: 1.7;
  color: rgba(255, 249, 240, .78);
}

/* 补给站标牌 */
.page-faq .signboard {
  padding: 16px;
  border: var(--border);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
}

.page-faq .signboard--orange {
  background: var(--orange);
}

.page-faq .signboard--lake {
  background: var(--sky);
  color: var(--ink);
}

.page-faq .signboard__cap {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 5px;
  display: inline-block;
}

.page-faq .signboard__val {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .92rem;
  word-break: break-word;
  line-height: 1.45;
}

.page-faq .signboard__text {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
}

.page-faq .callout {
  margin: 22px 0 18px;
  font-size: .88rem;
  line-height: 1.8;
  background: var(--cream);
}

/* 分类问答 */
.page-faq .qa-groups {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .qa-group__tag {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  border: 2px solid var(--ink);
  padding: 4px 12px;
}

.page-faq .faq-footnote {
  margin: 26px 0 0;
  font-size: .85rem;
  line-height: 1.8;
}

.page-faq .faq-footnote a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid var(--kiwi);
}

.page-faq .faq-footnote a:hover,
.page-faq .faq-footnote a:focus-visible {
  background: var(--flesh);
}

@media (min-width: 700px) {
  .page-faq .qa-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step-track {
    gap: 6px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 56px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    padding-right: 18px;
    border-right: 3px solid var(--ink);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    justify-content: flex-start;
    border-width: 3px;
    box-shadow: 4px 4px 0 var(--seed);
  }

  .page-faq .step-track__item {
    grid-template-columns: 58px minmax(0, 1fr);
    padding-left: 24px;
  }

  .page-faq .scoreboard {
    padding: 22px 22px 20px;
  }

  .page-faq .qa-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 1120px) {
  .page-faq .qa-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<END>>>