.page-faq {
  --faq-hairline: 1px;
  --faq-gap-sm: 12px;
  --faq-gap-md: clamp(20px, 3.4vw, 32px);
  --faq-section-pad: clamp(36px, 6vw, 76px);
}

/* ---------- 通用排版 ---------- */
.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-faq .faq-h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--rice);
  margin: 12px 0 0;
}

.page-faq .faq-h2-lead {
  margin: 14px 0 0;
  max-width: 28em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--rice);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.6vw, 34px) 0 clamp(32px, 5vw, 56px);
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.32;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

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

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .breadcrumb-list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--rice);
  margin: 16px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero-lead {
  margin: 18px 0 0;
  max-width: 28em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero-jumps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap-sm);
}

.page-faq .faq-jump {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 16px;
  border: var(--faq-hairline) solid var(--line-strong);
  border-radius: 2px;
  background: rgba(18, 50, 74, 0.36);
  color: var(--rice);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  border-color: var(--cyan);
  background: rgba(18, 50, 74, 0.72);
  transform: translateY(-2px);
}

.page-faq .faq-jump-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-hero-stats {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 30rem;
}

.page-faq .faq-hero-stats li {
  border-top: 2px solid var(--line-strong);
  padding-top: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-hero-stats strong {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: 0;
  color: var(--rice);
  margin-bottom: 4px;
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap-md);
  padding: var(--faq-section-pad) 0;
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-steps-rail {
  border-left: 2px solid var(--line-strong);
  padding-left: 14px;
}

.page-faq .faq-rail-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 8px 14px;
  border: var(--faq-hairline) solid var(--line);
  border-radius: 2px;
  color: var(--mist);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  border-color: var(--orange);
  background: rgba(196, 122, 82, 0.12);
  color: var(--rice);
}

.page-faq .faq-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-map {
  margin: 26px 0 0;
  border: var(--faq-hairline) solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink-900);
}

.page-faq .faq-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-step {
  margin-top: 20px;
  padding: clamp(18px, 3vw, 28px);
  border: var(--faq-hairline) solid var(--line);
  border-left: 3px solid var(--stone);
  border-radius: 2px;
  background: rgba(10, 32, 51, 0.55);
  transition: border-left-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-step:first-of-type {
  margin-top: 26px;
}

.page-faq .faq-step:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 50, 74, 0.6);
}

.page-faq .faq-step-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-step h3 {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--rice);
}

.page-faq .faq-step p {
  margin: 0 0 12px;
  max-width: 26em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rice);
}

.page-faq .faq-step p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-step-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 2px;
  background: rgba(5, 18, 31, 0.66);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-version {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 复制按钮 ---------- */
.page-faq .copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: var(--cyan);
  color: var(--ink-950);
}

.page-faq .copy-btn[data-copied="true"] {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--ink-950);
}

/* ---------- 第 2 栏定位 ---------- */
.page-faq .faq-locate {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap-md);
  padding: var(--faq-section-pad) 0;
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-locate-fig {
  position: relative;
  margin: 0;
  border: 2px solid var(--line-strong);
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink-900);
  max-width: 420px;
}

.page-faq .faq-locate-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-hotspot {
  position: absolute;
  display: block;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.page-faq .faq-hotspot--ok {
  top: 54%;
  left: 50%;
  width: 42%;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--orange);
  box-shadow: 0 0 0 6px rgba(255, 140, 66, 0.16), 0 0 26px rgba(255, 140, 66, 0.34);
}

.page-faq .faq-hotspot--bad {
  top: 28%;
  left: 50%;
  width: 18%;
  aspect-ratio: 1 / 1;
  border: 2px dashed var(--mist);
  opacity: 0.7;
}

.page-faq .faq-legend {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-legend li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 30em;
}

.page-faq .faq-legend strong {
  color: var(--rice);
  font-weight: 500;
}

.page-faq .faq-legend-dot {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border-radius: 50%;
}

.page-faq .faq-legend-dot--ok {
  border: 2px solid var(--orange);
}

.page-faq .faq-legend-dot--bad {
  border: 2px dashed var(--mist);
}

.page-faq .faq-locate-tip {
  margin: 20px 0 0;
  padding: 14px 16px;
  max-width: 28em;
  border-left: 2px solid var(--terracotta);
  background: rgba(196, 122, 82, 0.1);
  font-size: 14px;
  line-height: 1.8;
  color: var(--rice);
}

/* ---------- 九宫格权益 ---------- */
.page-faq .faq-benefits {
  padding: var(--faq-section-pad) 0;
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-grid {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: var(--faq-hairline) solid var(--line);
  background: var(--line);
}

.page-faq .faq-grid li {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-950);
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-grid li:hover {
  background: var(--ink-800);
}

.page-faq .faq-grid-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--terracotta);
  margin-bottom: 8px;
}

.page-faq .faq-grid h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--rice);
}

.page-faq .faq-grid p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- FAQ 手风琴 ---------- */
.page-faq .faq-qa {
  padding: var(--faq-section-pad) 0;
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-qa-list {
  margin: 26px 0 0;
  display: grid;
  gap: 10px;
  max-width: 52rem;
}

.page-faq .faq-qa-item {
  border: 2px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(10, 32, 51, 0.5);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-qa-item:hover {
  border-color: var(--mist);
}

.page-faq .faq-qa-item[open] {
  border-color: var(--cyan);
  background: rgba(18, 50, 74, 0.62);
}

.page-faq .faq-qa-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--rice);
}

.page-faq .faq-qa-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-qa-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-qa-item[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-qa-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-qa-body p {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 排查清单 ---------- */
.page-faq .faq-check {
  padding: var(--faq-section-pad) 0;
  border-bottom: var(--faq-hairline) solid var(--line);
}

.page-faq .faq-check-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 48rem;
}

.page-faq .faq-check-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-left: 2px solid var(--stone);
  border-radius: 2px;
  background: rgba(10, 32, 51, 0.5);
  transition: border-left-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-check-list li:hover {
  border-left-color: var(--orange);
  background: rgba(18, 50, 74, 0.6);
}

.page-faq .faq-check-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-check-list strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--rice);
  margin-bottom: 4px;
}

.page-faq .faq-check-list span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-check-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-check-actions span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 页尾行动 ---------- */
.page-faq .faq-next {
  padding: clamp(40px, 6vw, 80px) 0 clamp(20px, 4vw, 40px);
}

.page-faq .faq-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 2px;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .btn:hover,
.page-faq .btn:focus-visible {
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero-jumps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-locate {
    grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 60px);
    align-items: start;
  }

  .page-faq .faq-steps-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-rail-list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-rail-list li + li {
    margin-top: 6px;
  }

  .page-faq .faq-rail-link {
    border: 0;
    border-left: 2px solid var(--line-strong);
    border-radius: 0;
    padding: 10px 14px;
    white-space: normal;
    background: transparent;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    background: transparent;
    border-left-color: var(--orange);
  }

  .page-faq .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-step {
    padding: 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump:hover,
  .page-faq .faq-jump:focus-visible,
  .page-faq .btn:hover,
  .page-faq .btn:focus-visible {
    transform: none;
  }

  .page-faq .faq-jump,
  .page-faq .faq-rail-link,
  .page-faq .faq-step,
  .page-faq .faq-grid li,
  .page-faq .faq-qa-item,
  .page-faq .faq-check-list li,
  .page-faq .copy-btn,
  .page-faq .btn {
    transition-duration: 0.01ms;
  }
}
<<<END>>>