.page-faq {
  --faq-rule: rgba(217, 207, 191, .2);
  --faq-rule-soft: rgba(217, 207, 191, .1);
  --faq-answer-max: 64ch;
  --faq-no: 42px;
  --faq-gap: clamp(12px, 2.6vw, 26px);
  --faq-pad-block: clamp(44px, 7vw, 92px);
  --faq-hero-top: clamp(118px, 18vh, 196px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-top: var(--faq-hero-top);
  padding-bottom: clamp(34px, 5.5vw, 62px);
  background:
    radial-gradient(120% 78% at 88% -14%, rgba(63, 224, 200, .1), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink) 72%, var(--ink-2) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-cyan), transparent);
}

.page-faq .faq-hero__body {
  display: grid;
  gap: clamp(26px, 4.4vw, 52px);
  margin-top: clamp(24px, 3.6vw, 44px);
}

.page-faq .faq-hero__index {
  display: block;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(30px, 6.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--bone);
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-jump {
  display: grid;
  align-content: start;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--faq-rule-soft);
  color: var(--bone);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--cyan-2);
  padding-left: 10px;
}

.page-faq .faq-jump__no {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-jump__label {
  flex: 1 1 auto;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

/* ---------- 章节与底色分区 ---------- */

.page-faq .faq-block {
  position: relative;
  padding-block: var(--faq-pad-block);
  scroll-margin-top: 104px;
}

.page-faq .faq-block--tint {
  background: var(--ink-2);
}

.page-faq .faq-block--indigo {
  background: linear-gradient(180deg, var(--indigo) 0%, #231847 100%);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 3.6vw, 40px);
  max-width: 46ch;
}

.page-faq .faq-block__title {
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.18;
  color: var(--bone);
  margin: 0;
  max-width: 22ch;
}

.page-faq .faq-block__note {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
  max-width: 56ch;
}

/* ---------- 图注框 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(26px, 3.8vw, 44px);
  border: 1px solid var(--line-paper-soft);
  background: rgba(11, 31, 28, .55);
  position: relative;
}

.page-faq .faq-block--indigo .faq-figure {
  background: rgba(11, 31, 28, .4);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure__cap {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--line-paper-soft);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.65;
}

.page-faq .faq-figure__cap .index {
  flex: 0 0 auto;
  color: var(--cyan);
  padding-top: 2px;
}

@media (min-width: 900px) {
  .page-faq .faq-figure {
    width: min(100%, 920px);
  }
  .page-faq .faq-figure--wide {
    width: min(100%, 1040px);
  }
}

/* ---------- 问答列表 ---------- */

.page-faq .faq-list {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
  transition: background .25s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(63, 224, 200, .07), transparent 62%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: var(--faq-gap);
  padding: clamp(15px, 2.2vw, 23px) 0;
  cursor: pointer;
  list-style: none;
  color: var(--bone);
  font-size: clamp(16px, 1.9vw, 21px);
  font-weight: 300;
  line-height: 1.55;
  transition: color .2s var(--ease);
}

.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }

.page-faq .faq-item__q:hover { color: var(--cyan-2); }

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  min-width: var(--faq-no);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums slashed-zero;
  padding-top: 4px;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 0 clamp(20px, 3vw, 32px) calc(var(--faq-no) + 12px);
}

@media (min-width: 720px) {
  .page-faq .faq-item__a {
    padding-left: calc(var(--faq-no) + var(--faq-gap));
  }
}

.page-faq .faq-item__a p {
  margin: 0 0 1em;
  max-width: var(--faq-answer-max);
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
}

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

.page-faq .faq-item__a strong {
  color: var(--bone);
  font-weight: 600;
}

/* ---------- 差异与修正：宽窄并排 ---------- */

.page-faq .faq-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-faq .faq-side__panel {
  border: 1px solid var(--line-paper-soft);
  border-left: 2px solid var(--cyan);
  background: rgba(11, 31, 28, .6);
  padding: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 12px;
}

.page-faq .faq-side__panel .index { color: var(--cyan); }

.page-faq .faq-side__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
  max-width: 46ch;
}

.page-faq .faq-side__link {
  justify-self: start;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .06em;
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--cyan-2);
  border-color: var(--cyan-2);
}

/* ---------- 尾段：联系与下一步 ---------- */

.page-faq .faq-assist {
  display: grid;
  gap: clamp(28px, 4.4vw, 52px);
}

.page-faq .faq-cta {
  display: grid;
  gap: 14px;
  align-content: start;
  border: 1px dashed var(--line-cyan);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(180deg, rgba(63, 224, 200, .07), transparent 80%);
  max-width: 560px;
}

.page-faq .faq-cta .index { color: var(--cyan); }

.page-faq .faq-cta__text {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
  max-width: 52ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .faq-cta__meta {
  margin: 4px 0 0;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-faq .faq-cta__meta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan-soft);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-cta__meta a:hover,
.page-faq .faq-cta__meta a:focus-visible {
  color: var(--cyan-2);
  border-color: var(--cyan-2);
}

@media (min-width: 900px) {
  .page-faq .faq-assist {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 560px) {
  .page-faq {
    --faq-no: 34px;
    --faq-gap: 10px;
  }

  .page-faq .faq-item__q {
    align-items: flex-start;
    flex-direction: row;
  }

  .page-faq .faq-item__no {
    padding-top: 6px;
    font-size: 10px;
  }

  .page-faq .faq-item__a {
    padding-left: calc(var(--faq-no) + 10px);
  }

  .page-faq .faq-figure__cap {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}