.page-faq {
  --faq-line: rgba(42, 65, 102, 0.18);
  --faq-line-strong: rgba(42, 65, 102, 0.32);
  --faq-ink-soft: rgba(12, 20, 32, 0.74);
  display: block;
  background: var(--paper-white);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 56px;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(217, 152, 54, 0.18) 0%, rgba(217, 152, 54, 0) 62%),
    linear-gradient(158deg, var(--indigo-night) 0%, var(--indigo-deep) 58%, var(--indigo-mid) 100%);
  color: var(--text-on-dark);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(217, 152, 54, 0.11) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 152, 54, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .crumbs {
  color: var(--text-on-dark-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  margin-bottom: 22px;
}

.page-faq .faq-hero .crumbs a {
  color: var(--text-on-dark);
  text-decoration: none;
}

.page-faq .faq-hero .crumbs a:hover {
  color: var(--amber-bright);
}

.page-faq .faq-hero .crumbs .crumbs__sep {
  color: var(--amber);
  margin: 0 8px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper-yellow);
  margin: 10px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-warm);
  border-radius: 2px;
  background: rgba(19, 30, 54, 0.42);
  color: var(--text-on-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: border-color 180ms var(--ease-page), color 180ms var(--ease-page), background-color 180ms var(--ease-page);
}

.page-faq .faq-hero__jump a span {
  color: var(--signal-orange);
  font-weight: 700;
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  border-color: var(--amber-bright);
  color: var(--amber-bright);
  background: rgba(42, 65, 102, 0.6);
}

/* ---------- 顶部索引图 ---------- */
.page-faq .faq-index-figure {
  margin: -34px auto 0;
  padding: 0;
}

.page-faq .faq-index-figure__frame {
  position: relative;
  aspect-ratio: 7 / 3;
  overflow: hidden;
  border: 1px solid var(--line-warm);
  border-radius: 2px;
  background: var(--indigo-mid);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-index-figure__frame img,
.page-faq .faq-figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-index-figure .media__caption {
  margin-top: 12px;
  max-width: 68ch;
}

/* ---------- 双列外壳 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 30px;
  padding: 44px 0 76px;
}

.page-faq .faq-toc {
  align-self: start;
  padding: 18px 16px 20px;
  border: 1px solid var(--line-warm);
  border-radius: 2px;
  background: linear-gradient(180deg, var(--indigo-deep) 0%, var(--indigo-night) 100%);
  color: var(--text-on-dark);
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 1px;
  color: var(--text-on-dark);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 160ms var(--ease-page), border-color 160ms var(--ease-page), color 160ms var(--ease-page);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--signal-orange);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-left-color: var(--amber-bright);
  background: rgba(42, 65, 102, 0.65);
  color: var(--paper-yellow);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  counter-reset: qa-num;
  min-width: 0;
}

.page-faq .faq-topic {
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
}

.page-faq .faq-topic:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

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

.page-faq .faq-topic__head .section-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--signal-orange);
  margin-right: 6px;
}

.page-faq .faq-topic h2 {
  margin: 8px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 30ch;
}

.page-faq .faq-topic__note {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock-gray);
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  counter-increment: qa-num;
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa:first-child {
  border-top: 1px solid var(--faq-line-strong);
}

.page-faq .qa__summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  transition: color 160ms var(--ease-page);
}

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

.page-faq .qa__summary:hover,
.page-faq .qa__summary:focus-visible {
  color: var(--indigo-mid);
}

.page-faq .qa__num {
  flex: 0 0 auto;
  min-width: 30px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--signal-orange);
}

.page-faq .qa__num::before {
  content: counter(qa-num, decimal-leading-zero);
}

.page-faq .qa__num::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--signal-orange);
  vertical-align: 2px;
}

.page-faq .qa[open] .qa__summary {
  color: var(--indigo-deep);
}

.page-faq .qa__body {
  margin: 0 0 20px 42px;
  padding: 2px 0 6px 18px;
  border-left: 3px solid var(--amber);
  max-width: 68ch;
}

.page-faq .qa__verdict {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .qa__verdict::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 8px;
  background: var(--amber);
  vertical-align: 6px;
}

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

.page-faq .qa__steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  margin-bottom: 9px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .qa__steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-warm);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
  color: var(--amber);
}

.page-faq .qa__steps > li:last-child {
  margin-bottom: 0;
}

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

.page-faq .qa__facts > li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .qa__facts > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-faq .qa__facts > li:last-child {
  margin-bottom: 0;
}

.page-faq .qa__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-warm);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--indigo-mid);
  text-decoration: none;
  transition: color 160ms var(--ease-page), border-color 160ms var(--ease-page);
}

.page-faq .qa__more span {
  color: var(--signal-orange);
}

.page-faq .qa__more:hover,
.page-faq .qa__more:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--amber);
}

/* ---------- 联系客服前的准备 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: 26px;
}

.page-faq .faq-prep__list {
  margin-bottom: 22px;
}

.page-faq .faq-prep__list > li {
  font-size: 16px;
}

.page-faq .faq-reach {
  padding: 18px 18px 16px;
  border: 1px solid var(--line-warm);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  background: var(--paper-yellow);
}

.page-faq .faq-reach__line {
  margin: 0 0 8px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-reach__line:last-child {
  margin-bottom: 0;
  color: var(--faq-ink-soft);
}

.page-faq .faq-reach a {
  color: var(--indigo-mid);
  font-family: var(--font-mono);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-warm);
}

.page-faq .faq-reach a:hover,
.page-faq .faq-reach a:focus-visible {
  color: var(--signal-orange);
  border-bottom-color: var(--signal-orange);
}

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

.page-faq .faq-figure__frame {
  position: relative;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid var(--line-warm);
  border-radius: 2px;
  background: var(--indigo-mid);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-figure .media__caption {
  margin-top: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 46px 0 72px;
  }

  .page-faq .faq-index-figure {
    margin-top: -46px;
  }

  .page-faq .faq-shell {
    padding-top: 56px;
  }

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

  .page-faq .qa__body {
    margin-left: 52px;
    padding-left: 22px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 234px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-shell {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
  }
}
<<<END>>>