.page-faq {
  --faq-rail: 42px;
  --faq-pad: 18px;
  overflow-x: clip;
  background: var(--midnight);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 56px) 0 42px;
  background:
    radial-gradient(880px 420px at 82% -6%, rgba(122, 43, 255, 0.30), transparent 62%),
    radial-gradient(660px 380px at 4% 26%, rgba(20, 224, 210, 0.14), transparent 60%),
    var(--midnight);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(42, 51, 84, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 51, 84, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(78% 72% at 46% 28%, #000 18%, transparent 100%);
  mask-image: radial-gradient(78% 72% at 46% 28%, #000 18%, transparent 100%);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-faq .display-title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 10px 0 0;
  max-width: 15em;
}

.page-faq .faq-lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

/* 分组跳转条 */
.page-faq .faq-jump {
  display: flex;
  gap: 10px;
  margin-top: 34px;
  padding-bottom: 6px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

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

.page-faq .faq-jump-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  font-size: 14px;
  line-height: 1;
  color: var(--white);
  text-decoration: none;
  background: rgba(18, 20, 31, 0.78);
  border: 1px solid var(--line);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

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

.page-faq .faq-jump-item:hover,
.page-faq .faq-jump-item:focus-visible {
  border-color: var(--cyan);
  background: rgba(20, 224, 210, 0.09);
  outline: none;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 28px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(20, 224, 210, 0.55);
}

.page-faq .faq-group-copy .section-title {
  margin: 0;
}

.page-faq .faq-group-copy .section-sub {
  margin: 8px 0 0;
}

/* ---------- 可展开索引卡 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 20, 31, 0.62), rgba(10, 14, 31, 0.28));
  transition: background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(180deg, rgba(18, 20, 31, 0.92), rgba(10, 14, 31, 0.5));
}

.page-faq .faq-item-head {
  display: grid;
  grid-template-columns: var(--faq-rail) 1fr 18px;
  gap: 14px;
  align-items: start;
  padding: 18px 16px 18px 14px;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item-head:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: -2px;
}

.page-faq .faq-node {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-question {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-item-head:hover .faq-question {
  color: var(--cyan);
}

.page-faq .faq-toggle {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  justify-self: end;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-toggle::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-toggle::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

/* 展开区 */
.page-faq .faq-body {
  position: relative;
  margin-left: calc(var(--faq-rail) + 28px);
  margin-right: 16px;
  padding: 0 0 22px;
}

.page-faq .faq-item[open] .faq-body {
  animation: faq-reveal 0.28s var(--ease) both;
}

@keyframes faq-reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-body::before {
  content: "";
  display: block;
  width: 58px;
  height: 3px;
  margin-bottom: 16px;
  background: var(--yellow);
  box-shadow: 0 0 12px rgba(230, 255, 61, 0.55);
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 30px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--white);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.28em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-fallback {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  background: rgba(20, 224, 210, 0.06);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-fallback .tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

/* 配图 */
.page-faq .faq-figure {
  margin: 32px 0 0;
}

.page-faq .faq-figure--side {
  margin: 0;
}

/* ---------- 三步判定流程带 ---------- */
.page-faq .faq-flow {
  padding: 56px 0;
  background:
    linear-gradient(180deg, rgba(122, 43, 255, 0.10), rgba(10, 14, 31, 0)),
    var(--charcoal);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-flow .section-title {
  margin: 8px 0 0;
  max-width: 20em;
}

.page-faq .faq-flow-track {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-flow-node {
  position: relative;
  padding: 22px 20px;
  background: rgba(10, 14, 31, 0.78);
  border: 1px solid var(--line);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.page-faq .faq-flow-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-faq .faq-flow-node h3 {
  margin: 12px 0 8px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-flow-node p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-flow-tag {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.page-faq .faq-flow-tag--go {
  color: var(--midnight);
  background: var(--cyan);
}

.page-faq .faq-flow-tag--hand {
  color: var(--midnight);
  background: var(--orange);
}

/* ---------- 反馈区布局 ---------- */
.page-faq .faq-feedback-layout {
  display: grid;
  gap: 28px;
}

/* ---------- 提示语速查 ---------- */
.page-faq .faq-toast {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-toast-grid {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-toast-card {
  padding: 20px 18px;
  background: var(--charcoal);
  transition: background 0.18s var(--ease);
}

.page-faq .faq-toast-card:hover {
  background: #171a29;
}

.page-faq .faq-toast-msg {
  position: relative;
  margin: 0 0 10px;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-faq .faq-toast-msg::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-faq .faq-toast-act {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-human {
  padding: 56px 0 72px;
  background:
    radial-gradient(720px 360px at 88% 0%, rgba(122, 43, 255, 0.18), transparent 66%),
    var(--midnight);
}

.page-faq .faq-human-grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-human-main .section-title {
  margin: 8px 0 0;
  max-width: 18em;
}

.page-faq .faq-human-main .section-sub {
  margin: 10px 0 0;
}

.page-faq .faq-prepare {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-prepare li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--charcoal);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-human-side {
  padding: 24px 20px;
  background: rgba(18, 20, 31, 0.86);
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-human-side .panel-title {
  margin: 0;
}

.page-faq .faq-side-note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-human-side .divider {
  margin: 20px 0;
}

.page-faq .faq-side-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-side-list div {
  display: grid;
  gap: 5px;
}

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

.page-faq .faq-side-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-faq .faq-side-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 22px 0 0;
}

.page-faq .faq-side-links a {
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--violet);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-side-links a:hover,
.page-faq .faq-side-links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq {
    --faq-rail: 52px;
  }

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

  .page-faq .faq-flow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
  }

  .page-faq .faq-flow-node {
    display: flex;
    flex-direction: column;
  }

  .page-faq .faq-flow-node p {
    flex: 1 1 auto;
  }

  .page-faq .faq-prepare li {
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    gap: 14px;
  }

  .page-faq .faq-group-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-group-num {
    font-size: 56px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 86px);
    padding-bottom: 56px;
  }

  .page-faq .faq-group,
  .page-faq .faq-flow,
  .page-faq .faq-toast,
  .page-faq .faq-human {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .page-faq .faq-item-head {
    grid-template-columns: var(--faq-rail) 1fr 20px;
    gap: 20px;
    padding: 22px 24px 22px 18px;
  }

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

  .page-faq .faq-body {
    margin-left: calc(var(--faq-rail) + 34px);
    margin-right: 24px;
    padding-bottom: 28px;
  }

  .page-faq .faq-feedback-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
    gap: 36px;
    align-items: start;
  }

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

  .page-faq .faq-human-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-figure {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-body {
    animation: none;
  }

  .page-faq .faq-toggle::before,
  .page-faq .faq-toggle::after,
  .page-faq .faq-jump-item,
  .page-faq .faq-question {
    transition: none;
  }
}
<<<END>>>