.page-faq {
  --faq-rail-w: 250px;
  --faq-gap: 20px;
  --faq-cut: 18px;
  --faq-soft: rgba(234, 246, 240, .78);
}

.page-faq .page-faq__wrap {
  padding-block: 22px 96px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  margin-top: 16px;
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--ink-700);
  background:
    radial-gradient(120% 110% at 100% 0%, rgba(200, 255, 77, .10), transparent 56%),
    radial-gradient(90% 120% at 0% 100%, rgba(111, 227, 196, .08), transparent 60%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900) 72%);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-hero__copy {
  max-width: 62ch;
}

.page-faq .faq-hero__copy .eyebrow {
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -.015em;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__panel {
  padding: 20px;
  border: 1px solid var(--ink-700);
  background: linear-gradient(180deg, rgba(15, 44, 36, .9), rgba(7, 26, 21, .9));
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--ink-700);
}

.page-faq .faq-facts__num {
  font-family: var(--font-num);
  font-size: clamp(24px, 4.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-facts__num small {
  margin-left: 2px;
  font-size: .5em;
  font-weight: 600;
  color: var(--orange);
}

.page-faq .faq-facts__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 主体：轨道 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}

.page-faq .faq-rail {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-faq .faq-rail__caption {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-rail__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--dim);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--lime);
  background: rgba(200, 255, 77, .08);
  color: var(--lime);
}

.page-faq .faq-rail__link:hover .faq-rail__idx,
.page-faq .faq-rail__link:focus-visible .faq-rail__idx {
  color: var(--lime-hi);
}

.page-faq .faq-rail__foot {
  display: none;
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-sections {
  min-width: 0;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(38px, 6vw, 64px);
}

.page-faq .faq-sec .section-head {
  margin-bottom: 18px;
}

.page-faq .faq-sec .section-head__meta {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--ink-700);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(200, 255, 77, .38);
}

.page-faq .faq-item[open] {
  border-color: rgba(200, 255, 77, .55);
  background: linear-gradient(180deg, rgba(22, 58, 49, .78), rgba(11, 35, 28, .95));
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--lime);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .faq-item__idx {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--dim);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--orange);
}

.page-faq .faq-item__q::after {
  content: "";
  width: 13px;
  height: 13px;
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: center center, center center;
  background-size: 13px 2px, 2px 13px;
  color: var(--lime);
  transition: background-size .26s var(--ease), transform .26s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  background-size: 13px 2px, 2px 0;
  transform: rotate(180deg);
}

.page-faq .faq-item__a {
  padding: 0 18px 20px;
  font-size: 15.8px;
  line-height: 1.82;
  color: var(--faq-soft);
  animation: faq-drop .28s var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-item__a strong {
  color: var(--lime);
  font-weight: 600;
}

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }
}

/* ---------- 路径图与配图 ---------- */
.page-faq .faq-path {
  display: block;
  width: 100%;
  height: auto;
  margin: 18px 0 6px;
}

.page-faq .faq-path__line {
  stroke: var(--ink-700);
  stroke-width: 2;
  stroke-dasharray: 6 8;
}

.page-faq .faq-path__node circle {
  fill: var(--ink-900);
  stroke: var(--lime);
  stroke-width: 1.6;
  transition: fill .22s var(--ease), stroke .22s var(--ease);
}

.page-faq .faq-path__node .faq-path__label {
  fill: var(--text);
  font-family: var(--font-cjk);
  font-size: 15px;
  font-weight: 600;
  text-anchor: middle;
  transition: fill .22s var(--ease);
}

.page-faq .faq-path__node .faq-path__caption {
  fill: var(--muted);
  font-family: var(--font-cjk);
  font-size: 13px;
  text-anchor: middle;
}

.page-faq .faq-path__node:hover circle {
  fill: rgba(200, 255, 77, .14);
  stroke: var(--lime-hi);
}

.page-faq .faq-path__node:hover .faq-path__label {
  fill: var(--lime-hi);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--ink-700);
  background:
    radial-gradient(100% 130% at 100% 0%, rgba(255, 138, 61, .12), transparent 62%),
    var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--orange);
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(72px, 96px) minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--ink-700);
  font-size: 15px;
}

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

.page-faq .faq-contact__k {
  color: var(--muted);
  font-size: 13.5px;
}

.page-faq .faq-contact__v {
  color: var(--text);
  font-family: var(--font-num);
  word-break: break-word;
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: clamp(46px, 7vw, 76px);
  padding: clamp(22px, 3.6vw, 34px);
  border: 1px solid rgba(200, 255, 77, .3);
  background:
    linear-gradient(115deg, rgba(200, 255, 77, .10), transparent 52%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-soft);
  max-width: 62ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 44px;
    margin-top: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
    padding: 0;
  }

  .page-faq .faq-rail__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    border: 0;
    border-left: 2px solid var(--ink-700);
    background: transparent;
    padding: 10px 12px;
    font-size: 14.5px;
    line-height: 1.5;
    clip-path: none;
    transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--lime);
    background: linear-gradient(90deg, rgba(200, 255, 77, .12), transparent 78%);
  }

  .page-faq .faq-rail__foot {
    display: grid;
    gap: 8px;
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid var(--ink-700);
  }

  .page-faq .faq-rail__foot-title {
    margin: 0 0 2px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .12em;
    color: var(--muted);
  }

  .page-faq .faq-rail__foot-link {
    color: var(--link);
    font-size: 14px;
    line-height: 1.6;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 1px;
    transition: border-color .2s var(--ease), color .2s var(--ease);
  }

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

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 22px;
    font-size: 16px;
  }

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

  .page-faq .faq-contact__rows {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 22px;
  }

  .page-faq .faq-contact__row {
    grid-template-columns: 1fr;
    gap: 6px;
    border-bottom: 0;
    border-top: 1px solid var(--ink-700);
    padding-top: 12px;
    padding-bottom: 0;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-rail-w,
  .page-faq .faq-rail {
    --faq-rail-w: 264px;
  }
}
<<<END>>>