.page-faq {
  --faq-panel: #10263D;
  --faq-line: var(--grid);
  color: var(--ice);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(760px 380px at 88% -18%, rgba(182, 255, 59, .14), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 300px;
  height: 240px;
  background: linear-gradient(135deg, rgba(182, 255, 59, .20), rgba(255, 138, 42, .10));
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-top: clamp(28px, 5vw, 58px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.page-faq .faq-hero-main {
  border-left: 2px solid var(--lime);
  padding-left: clamp(16px, 3vw, 26px);
  max-width: 760px;
}

.page-faq .faq-hero-main h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-faq .faq-hero-main .lede {
  margin-top: 16px;
  color: var(--cool);
}

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

.page-faq .faq-status {
  align-self: start;
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--lime);
  background: linear-gradient(180deg, rgba(16, 38, 61, .92), rgba(11, 27, 46, .92));
  padding: 16px 18px 14px;
}

.page-faq .faq-status-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-faq .faq-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-status-list li {
  display: grid;
  grid-template-columns: minmax(84px, auto) 1fr;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
  font-size: .88rem;
  color: var(--cool);
}

.page-faq .faq-status-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-status-list .num {
  color: var(--lime);
  font-size: .98rem;
}

.page-faq .faq-status .hint {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line);
  font-size: .78rem;
  line-height: 1.7;
}

/* ---------- 热门五问 ---------- */
.page-faq .faq-hot {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-hot-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 18px 16px;
  background: var(--ink-800);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-hot-item:hover {
  background: var(--faq-panel);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .faq-hot-num {
  font-size: 1.1rem;
  color: var(--orange);
  line-height: 1.4;
}

.page-faq .faq-hot-text h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-faq .faq-hot-text p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .faq-hot-jump {
  align-self: center;
  flex: none;
  padding: 6px 12px;
  border: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--cool);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-hot-jump:hover,
.page-faq .faq-hot-jump:focus-visible {
  border-color: var(--lime);
  color: var(--on-lime);
  background: var(--lime);
}

/* ---------- 双栏问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--lime);
  background: var(--ink-800);
  padding: 14px 16px 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index-groups,
.page-faq .faq-index-qs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-groups {
  display: grid;
  gap: 14px;
}

.page-faq .faq-index-group {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .96rem;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 8px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index-group .num {
  color: var(--lime);
  font-size: .82rem;
}

.page-faq .faq-index-group:hover,
.page-faq .faq-index-group:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-index-qs {
  display: none;
  margin-top: 8px;
  padding-left: 22px;
  gap: 6px;
}

.page-faq .faq-index-qs a {
  display: block;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index-qs a:hover,
.page-faq .faq-index-qs a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-stream {
  display: grid;
  gap: clamp(34px, 4vw, 54px);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: baseline;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group-num {
  grid-row: span 2;
  align-self: center;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1;
  color: var(--lime);
  opacity: .85;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.2vw, 27px);
  letter-spacing: -.015em;
  color: var(--ice);
}

.page-faq .faq-group-lead {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--cool);
}

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

.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-left: 3px solid transparent;
  background: var(--faq-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--lime);
}

.page-faq .qa > summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa > summary:hover {
  background: rgba(182, 255, 59, .06);
}

.page-faq .qa-num {
  flex: none;
  font-size: .78rem;
  color: var(--orange);
  line-height: 1.8;
}

.page-faq .qa-q {
  flex: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: -.005em;
  color: var(--ice);
}

.page-faq .qa > summary::after {
  content: "+";
  flex: none;
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--lime);
}

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

.page-faq .qa-body {
  padding: 0 16px 18px 16px;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--cool);
  border-top: 1px solid var(--faq-line);
  padding-top: 14px;
  margin-top: 2px;
}

.page-faq .qa-body p {
  margin: 0 0 10px;
}

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

.page-faq .qa-body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 59, .4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa-body a:hover,
.page-faq .qa-body a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-faq .qa[open] .qa-body {
  animation: faq-answer-in .28s var(--ease) both;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hot {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hot-item:first-child {
    grid-column: 1 / -1;
  }

  .page-faq .faq-figure--narrow {
    max-width: 620px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, .85fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-index-qs {
    display: grid;
  }

  .page-faq .qa > summary {
    padding: 17px 20px;
  }

  .page-faq .qa-body {
    padding: 16px 20px 20px;
  }
}

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

  .page-faq .faq-hot-item,
  .page-faq .qa,
  .page-faq .faq-hot-jump {
    transition: none;
  }
}
<<<END>>>