.page-faq {
  background: var(--night-900);
  color: var(--ice-050);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  padding: clamp(20px, 4vw, 36px) 0 clamp(28px, 5vw, 52px);
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime-300);
}

.page-faq h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ice-050);
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--slate-300);
}

.page-faq .faq-jump {
  margin-top: 24px;
}

.page-faq .faq-jump__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate-300);
}

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

.page-faq .faq-jump__link {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line-700);
  background: transparent;
  color: var(--ice-050);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--pitch-400);
  background: rgba(29, 187, 122, 0.14);
  color: var(--lime-300);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-700);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--night-800);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-dir {
  border: 1px solid var(--line-700);
  border-radius: var(--radius-m);
  padding: 16px 14px;
  background: var(--night-800);
}

.page-faq .faq-dir__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lime-300);
}

.page-faq .faq-dir__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-dir__link {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-s);
  font-size: 13px;
  line-height: 1.5;
  color: var(--slate-300);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-dir__link:hover,
.page-faq .faq-dir__link:focus-visible {
  color: var(--ice-050);
  border-left-color: var(--pitch-400);
  background: rgba(255, 255, 255, 0.05);
}

.page-faq .faq-dir__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pitch-400);
  flex: none;
}

.page-faq .faq-dir__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-700);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-300);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-top: clamp(24px, 3.5vw, 36px);
  border-top: 1px solid var(--line-700);
  scroll-margin-top: 96px;
}

.page-faq .faq-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  margin-bottom: 18px;
}

.page-faq .faq-sec__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  color: var(--pitch-600);
  font-variant-numeric: tabular-nums;
}

@supports ((-webkit-text-stroke: 1px #000)) {
  .page-faq .faq-sec__num {
    color: transparent;
    -webkit-text-stroke: 1px var(--pitch-400);
  }
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ice-050);
}

.page-faq .faq-sec__note {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-300);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-700);
  border-left: 3px solid var(--pitch-600);
  border-radius: var(--radius-m);
  background: var(--night-800);
}

.page-faq .faq-step__n {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--lime-300);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__t {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ice-050);
}

.page-faq .faq-step__d {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate-300);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-qa {
  border-top: 1px solid var(--line-700);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--line-700);
}

.page-faq .faq-q__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 6px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ice-050);
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-s);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .faq-q__sum::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--pitch-400);
}

.page-faq .faq-q[open] .faq-q__sum::after {
  content: "−";
  color: var(--lime-300);
}

.page-faq .faq-q__sum:hover,
.page-faq .faq-q__sum:focus-visible {
  color: var(--lime-300);
  background: rgba(255, 255, 255, 0.05);
}

.page-faq .faq-q[open] .faq-q__sum {
  color: var(--lime-300);
}

.page-faq .faq-q__body {
  padding: 0 6px 18px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--slate-300);
}

.page-faq .faq-q__body a {
  color: var(--pitch-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--lime-300);
}

/* ---------- 刷新图例 ---------- */
.page-faq .faq-legend {
  margin: 0 0 16px;
  border: 1px solid var(--line-700);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--night-800);
}

.page-faq .faq-legend img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-legend figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-300);
  border-top: 1px solid var(--line-700);
}

.page-faq .faq-dots {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-faq .faq-dots li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .faq-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  transform: translateY(1px);
}

.page-faq .faq-dot--lime {
  background: var(--lime-300);
  box-shadow: 0 0 0 3px rgba(201, 255, 74, 0.18);
}

.page-faq .faq-dot--orange {
  background: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255, 106, 61, 0.18);
}

.page-faq .faq-dot--slate {
  background: var(--slate-300);
  opacity: 0.55;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  margin: 0 0 20px;
  border: 1px solid var(--line-700);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, var(--pitch-900), var(--night-800));
  overflow: hidden;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-700);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime-300);
}

.page-faq .faq-contact__v {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice-050);
  word-break: break-word;
}

/* ---------- 结尾动作 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-700);
  border-radius: var(--radius-m);
  background: var(--night-800);
  display: grid;
  gap: 16px;
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice-050);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-dir {
    position: sticky;
    top: 96px;
  }

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

  .page-faq .faq-sec__head {
    column-gap: 20px;
    margin-bottom: 22px;
  }

  .page-faq .faq-q__sum {
    font-size: 16px;
    padding: 17px 8px;
  }

  .page-faq .faq-q__body {
    padding: 0 8px 20px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

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