.page-faq {
  --faq-index-w: 252px;
  --faq-scanline: rgba(243, 245, 241, 0.04);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 64px) 0 clamp(22px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 8% -20%, rgba(30, 122, 85, 0.42), transparent 62%),
    repeating-linear-gradient(90deg, var(--faq-scanline) 0 1px, transparent 1px 96px);
}

.page-faq .faq-hero__inner {
  max-width: 940px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin-top: 18px;
  max-width: 40ch;
  color: var(--ink-dim);
}

.page-faq .faq-hero__nodes {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__nodes li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--mid);
}

.page-faq .faq-hero__nodes .num {
  font-size: 21px;
  font-weight: 700;
  color: var(--whistle);
}

.page-faq .faq-hero__nodes em {
  font-style: normal;
  letter-spacing: 0.02em;
}

/* ---------- 三步走 ---------- */
.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-steps__lead {
  max-width: 38ch;
  margin: 12px 0 22px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-faq .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-faq .step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .step__no {
  font-size: 26px;
  font-weight: 700;
  color: var(--whistle);
  line-height: 1;
}

.page-faq .step__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-faq .step__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .step__body p.step__check {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--whistle);
  background: rgba(16, 56, 44, 0.62);
  color: var(--paper);
  font-size: 14px;
}

.page-faq .step__check span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--whistle);
}

.page-faq .faq-steps__figure {
  margin: 0;
}

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

/* ---------- 问答双栏 ---------- */
.page-faq .faq-ask__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-index {
  background: var(--field);
  border: 1px solid var(--line);
  padding: 16px 14px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--whistle);
}

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

.page-faq .faq-index__list li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  border-left: 3px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__list a .num {
  flex: none;
  font-size: 12px;
  color: var(--mid);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(242, 206, 27, 0.08);
  border-left-color: var(--whistle);
  outline: none;
}

.page-faq .faq-index__list a:hover .num,
.page-faq .faq-index__list a:focus-visible .num {
  color: var(--whistle);
}

.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 40px;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  padding-left: 12px;
  border-left: 4px solid var(--whistle);
}

.page-faq .faq-group__lead {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa[open] {
  background: rgba(16, 56, 44, 0.42);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 12px;
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--clock);
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--whistle);
}

.page-faq .qa__no {
  flex: none;
  font-size: 13px;
  color: var(--mid);
}

.page-faq .qa__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.005em;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .qa[open] .qa__no {
  color: var(--whistle);
}

.page-faq .qa__a {
  padding: 0 12px 18px 42px;
  animation: faq-in var(--dur) var(--ease) both;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-faq .qa__next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  color: var(--clock);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa__next:hover,
.page-faq .qa__next:focus-visible {
  border-color: var(--clock);
  color: var(--paper);
  outline: none;
}

@keyframes faq-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }
}

/* ---------- 收藏与加载 ---------- */
.page-faq .faq-save {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-save__figure {
  margin: 0;
}

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

.page-faq .faq-save__items {
  min-width: 0;
}

/* ---------- 纠错提示 ---------- */
.page-faq .faq-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--field);
  border-left: 4px solid var(--flare);
}

.page-faq .faq-note__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* ---------- 术语小词典 ---------- */
.page-faq .faq-glossary {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(16, 56, 44, 0.5), transparent 70%);
}

.page-faq .faq-glossary__lead {
  max-width: 44ch;
  margin: 12px 0 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .glossary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 32px;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .term {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .term__name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--whistle);
}

.page-faq .term__def {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__lead {
    font-size: 18px;
  }

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

  .page-faq .faq-save {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-faq .qa__text {
    font-size: 18px;
  }

  .page-faq .qa__a {
    padding-left: 46px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-steps__figure {
    position: sticky;
    top: 32px;
  }

  .page-faq .faq-ask__inner {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-save {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 30px;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 52px;
  }
}
<<<END>>>