.page-faq {
  --faq-accent: var(--c-cyan);
  --faq-accent-soft: rgba(34, 211, 224, .09);
  padding-bottom: 8px;
}

.page-faq .faq-crumb {
  padding-top: 10px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 10px;
  border: 1px solid var(--c-line);
  border-radius: 22px;
  padding: 26px 20px 30px;
  background:
    radial-gradient(115% 115% at 94% 0%, rgba(34, 211, 224, .16), transparent 54%),
    radial-gradient(85% 95% at -8% 100%, rgba(255, 106, 43, .14), transparent 58%),
    var(--c-panel);
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__intro h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-faq .faq-hero__intro .lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.75;
  color: #C9D4E8;
}

.page-faq .faq-hero__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__art {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-base);
}

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

/* ---------- 寻路图区 ---------- */
.page-faq .faq-map {
  margin-top: 26px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-panel);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  display: grid;
  gap: 0;
}

.page-faq .faq-map__art {
  margin: 0;
  background: var(--c-base);
  border-bottom: 1px solid var(--c-line);
}

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

.page-faq .faq-map__copy {
  padding: 22px 20px 24px;
}

.page-faq .faq-map__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-map__copy h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--c-text);
}

.page-faq .faq-map__copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-map__legend {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--c-muted);
}

.page-faq .faq-map__legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-faq .legend__swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
  flex: none;
}

.page-faq .legend__swatch--cyan {
  background: var(--c-cyan);
}

.page-faq .legend__swatch--orange {
  background: var(--c-orange);
}

.page-faq .legend__swatch--lime {
  background: var(--c-lime);
}

/* ---------- 高频四问 ---------- */
.page-faq .faq-hot {
  margin-top: 26px;
}

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

.page-faq .faq-hot__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-hot__card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 13px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 224, .045);
  color: var(--c-text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-hot__card:hover {
  border-color: var(--c-cyan);
  background: rgba(34, 211, 224, .1);
}

.page-faq .faq-hot__card:active {
  transform: translateY(2px);
}

.page-faq .faq-hot__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-cyan);
}

.page-faq .faq-hot__text {
  color: var(--c-text);
}

/* ---------- 主体布局：左导轨 + 右问答 ---------- */
.page-faq .faq-layout {
  margin-top: 30px;
  display: grid;
  gap: 20px;
}

.page-faq .faq-rail {
  position: static;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 9px 15px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-panel);
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-rail__link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-line);
  flex: none;
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-rail__link:hover {
  color: var(--c-text);
  border-color: var(--c-cyan);
}

.page-faq .faq-rail__link.is-current,
.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--c-text);
  border-color: var(--c-cyan);
  background: rgba(34, 211, 224, .1);
}

.page-faq .faq-rail__link.is-current::before,
.page-faq .faq-rail__link[aria-current="true"]::before {
  background: var(--c-lime);
  box-shadow: 0 0 10px var(--c-lime);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  --faq-accent: var(--c-cyan);
  --faq-accent-soft: rgba(34, 211, 224, .09);
  margin-bottom: 32px;
  scroll-margin-top: 88px;
}

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

.page-faq .faq-group--orange {
  --faq-accent: var(--c-orange);
  --faq-accent-soft: rgba(255, 106, 43, .1);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 16px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--faq-accent);
  flex: none;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa:hover {
  border-color: #3B5079;
}

.page-faq .qa[open] {
  border-color: var(--faq-accent);
  box-shadow: 0 0 0 1px var(--faq-accent-soft), var(--shadow-panel);
  background: linear-gradient(180deg, var(--faq-accent-soft), var(--c-panel) 62%);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--c-text);
}

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

.page-faq .qa > summary::marker {
  content: "";
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  padding-top: 4px;
  color: var(--faq-accent);
  flex: none;
}

.page-faq .qa__q {
  font-size: 15px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--c-text);
}

.page-faq .qa__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  flex: none;
}

.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-muted);
  transition: transform .2s var(--ease), background .2s var(--ease), opacity .2s var(--ease);
}

.page-faq .qa__toggle::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__toggle::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-faq .qa[open] .qa__toggle::before {
  background: var(--c-lime);
}

.page-faq .qa[open] .qa__toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .qa__body {
  padding: 0 16px 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .qa__body p {
  margin: 0;
}

.page-faq .qa__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 224, .4);
}

.page-faq .qa__body a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 底部召唤 ---------- */
.page-faq .faq-cta {
  margin-top: 14px;
  padding-bottom: 44px;
}

.page-faq .faq-cta__panel {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 26px 20px;
  background:
    radial-gradient(110% 130% at 0% 0%, rgba(255, 106, 43, .18), transparent 55%),
    radial-gradient(100% 120% at 100% 100%, rgba(34, 211, 224, .15), transparent 58%),
    var(--c-panel);
  display: grid;
  gap: 20px;
  overflow: hidden;
}

.page-faq .faq-cta__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad);
}

.page-faq .faq-cta__copy h2 {
  margin: 12px 0 10px;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--c-text);
}

.page-faq .faq-cta__copy p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-muted);
  max-width: 36em;
}

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

/* ---------- 窄屏 ---------- */
@media (max-width: 420px) {
  .page-faq .faq-hero {
    padding: 22px 16px 24px;
    border-radius: 18px;
  }
  .page-faq .qa > summary {
    padding: 13px 14px;
    gap: 10px;
  }
  .page-faq .qa__body {
    padding: 0 14px 15px 14px;
  }
  .page-faq .faq-map__copy,
  .page-faq .faq-cta__panel {
    padding: 20px 16px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-hot__card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .qa-list {
    gap: 12px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.12fr .88fr;
    align-items: center;
    gap: 34px;
    padding: 40px 38px;
    border-radius: 26px;
  }
  .page-faq .faq-map {
    grid-template-columns: .86fr 1.14fr;
    align-items: stretch;
  }
  .page-faq .faq-map__art {
    border-bottom: none;
    border-right: 1px solid var(--c-line);
  }
  .page-faq .faq-map__art img {
    height: 100%;
  }
  .page-faq .faq-map__copy {
    padding: 30px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-faq .faq-cta__panel {
    grid-template-columns: 1.5fr .9fr;
    align-items: center;
    padding: 34px 34px;
    gap: 30px;
  }
  .page-faq .faq-cta__copy p {
    font-size: 15px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 40px;
    margin-top: 38px;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 86px;
    align-self: start;
  }
  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 6px;
  }
  .page-faq .faq-rail__link {
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    white-space: normal;
  }
  .page-faq .faq-group {
    margin-bottom: 40px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero {
    padding: 46px 46px;
  }
  .page-faq .faq-layout {
    gap: 48px;
  }
}
<<<END>>>