.page-faq {
  --faq-index-w: 200px;
  min-width: 0;
}

/* ---------- 顶部框景 ---------- */
.page-faq .faq-top {
  padding-top: 26px;
  padding-bottom: 6px;
}

.page-faq .sp-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .sp-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .sp-crumb a:hover,
.page-faq .sp-crumb a:focus-visible {
  color: var(--glow);
  border-bottom-color: var(--glow);
}

.page-faq .sp-crumb [aria-current="page"] {
  color: var(--text);
}

.page-faq .faq-kicker {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--glow);
}

.page-faq .faq-h1 {
  margin: 12px 0 0;
  max-width: 16ch;
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--glow);
  color: var(--glow-2);
  background: rgba(79, 227, 176, .07);
}

/* ---------- 窄通栏氛围图 ---------- */
.page-faq .faq-band {
  position: relative;
  margin-top: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--char);
  overflow: hidden;
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1920 / 600;
  object-fit: cover;
  filter: brightness(.8) saturate(.8) contrast(1.05);
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(7, 17, 14, 0) 24%, rgba(7, 17, 14, 0) 76%, var(--ink) 100%);
}

/* ---------- 坐标索引 + 答案 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 40px;
  padding-bottom: 60px;
}

.page-faq .faq-index__k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--dim);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--dim);
  transition: color .16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-left-color: var(--glow);
  background: rgba(79, 227, 176, .06);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--glow-2);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  max-width: 28ch;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  color: var(--dim);
}

.page-faq:has(#faq-wheels:target) .faq-index__link[href="#faq-wheels"],
.page-faq:has(#faq-subs:target) .faq-index__link[href="#faq-subs"],
.page-faq:has(#faq-data:target) .faq-index__link[href="#faq-data"],
.page-faq:has(#faq-search:target) .faq-index__link[href="#faq-search"],
.page-faq:has(#faq-contact:target) .faq-index__link[href="#faq-contact"] {
  color: var(--glow-2);
  border-left-color: var(--amber);
  background: rgba(255, 138, 61, .08);
}

.page-faq:has(#faq-wheels:target) .faq-index__link[href="#faq-wheels"] .faq-index__num,
.page-faq:has(#faq-subs:target) .faq-index__link[href="#faq-subs"] .faq-index__num,
.page-faq:has(#faq-data:target) .faq-index__link[href="#faq-data"] .faq-index__num,
.page-faq:has(#faq-search:target) .faq-index__link[href="#faq-search"] .faq-index__num,
.page-faq:has(#faq-contact:target) .faq-index__link[href="#faq-contact"] .faq-index__num {
  color: var(--amber-2);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-bottom: 44px;
  scroll-margin-top: calc(var(--bar) + 24px);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 16px;
}

.page-faq .faq-dot {
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-faq .faq-h2 {
  margin: 0;
  font-size: clamp(19px, 4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-q {
  border-top: 1px solid var(--line);
  padding: 18px 0 20px;
  scroll-margin-top: calc(var(--bar) + 20px);
}

.page-faq .faq-q:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .faq-q__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .faq-q__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--glow);
  opacity: .85;
}

.page-faq .faq-q__body {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-q__body a {
  color: var(--glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 176, .35);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--glow-2);
  border-bottom-color: var(--glow-2);
}

/* ---------- 双列对照 ---------- */
.page-faq .faq-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 16px 0 0;
}

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

.page-faq .faq-duo__col--b {
  border-left-color: var(--amber);
}

.page-faq .faq-duo__k {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--glow);
}

.page-faq .faq-duo__col--b .faq-duo__k {
  color: var(--amber-2);
}

.page-faq .faq-duo__t {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 区间刻度 ---------- */
.page-faq .faq-scale {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 18px 0 0;
  border-top: 1px solid var(--glow);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-faq .faq-scale span {
  position: relative;
  padding: 10px 0 0;
  text-align: center;
  border-left: 1px solid var(--line);
}

.page-faq .faq-scale span:first-child {
  border-left: 0;
}

.page-faq .faq-scale span::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 1px;
  height: 7px;
  background: var(--glow);
}

.page-faq .faq-scale span:first-child::before {
  display: none;
}

/* ---------- 图表 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1000 / 520;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--char);
}

.page-faq .faq-figure__cap {
  display: block;
  margin-top: 10px;
  max-width: 46ch;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 收尾面板 ---------- */
.page-faq .faq-final__panel {
  position: relative;
  padding: 26px 22px 30px;
  background: linear-gradient(150deg, var(--jade) 0%, var(--indigo) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-final__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--glow-2);
}

.page-faq .faq-final__t {
  margin: 12px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-final__m {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .faq-final__act {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .faq-btn {
  display: inline-flex;
  align-items: center;
  padding: 11px 22px;
  background: var(--amber);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .16s var(--ease);
}

.page-faq .faq-btn:hover,
.page-faq .faq-btn:focus-visible {
  background: var(--amber-2);
}

.page-faq .faq-link {
  color: var(--glow);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 176, .35);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--glow-2);
  border-bottom-color: var(--glow-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-q__body {
    padding-left: 34px;
    max-width: 56ch;
  }

  .page-faq .faq-scale {
    font-size: 11px;
  }

  .page-faq .faq-duo {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-duo__col {
    border-left: 0;
    padding: 16px 22px;
  }

  .page-faq .faq-duo__col:first-child {
    padding-left: 0;
  }

  .page-faq .faq-duo__col--b {
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-duo__col--b:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 58px;
    padding-top: 54px;
    padding-bottom: 88px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar) + 20px);
    align-self: start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-faq .faq-final__panel {
    padding: 32px 34px 36px;
  }
}
</PAGE_CSS>>>