.page-faq {
  --faq-gap: clamp(56px, 7vw, 104px);
  --faq-pad: clamp(18px, 2.6vw, 30px);
  --faq-amber-line: rgba(255, 138, 61, 0.45);
  background: var(--ink);
  color: var(--mute);
  padding-bottom: clamp(72px, 9vw, 128px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 56px) 0 var(--faq-gap);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 520px;
  background:
    radial-gradient(58% 100% at 18% 0%, rgba(108, 59, 244, 0.30), transparent 72%),
    radial-gradient(46% 90% at 88% 16%, rgba(53, 240, 208, 0.14), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 8%;
  right: -8%;
  width: 62%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-cyan), transparent);
  transform: rotate(-12deg);
  transform-origin: right center;
  pointer-events: none;
  opacity: 0.7;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 5.4vw, 60px);
  font-weight: 320;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: #fff;
  max-width: 19ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mute);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 现象索引条 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(100deg, rgba(21, 14, 43, 0.9), rgba(6, 7, 13, 0.5));
  padding: clamp(22px, 3.2vw, 34px) 0;
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-cyan);
  border-radius: 999px;
  background: rgba(53, 240, 208, 0.06);
  color: var(--cyan);
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: rgba(53, 240, 208, 0.18);
  color: #eafff9;
  border-color: var(--cyan);
}

.page-faq .faq-chip[aria-current="true"] {
  background: rgba(53, 240, 208, 0.2);
  color: #eafff9;
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding-top: var(--faq-gap);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-faq .faq-block--last {
  padding-bottom: clamp(24px, 4vw, 48px);
}

.page-faq .faq-lede {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mute);
}

.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-split__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

/* ---------- 三分钟自查 ---------- */
.page-faq .faq-check {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
  padding: var(--faq-pad);
  background: linear-gradient(160deg, rgba(21, 14, 43, 0.96), rgba(6, 7, 13, 0.96));
}

.page-faq .faq-check__num {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(53, 240, 208, 0.65);
  text-stroke: 1px rgba(53, 240, 208, 0.65);
  letter-spacing: 0.06em;
}

.page-faq .faq-check__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: #fff;
}

.page-faq .faq-check__body p + p {
  margin-top: 8px;
}

.page-faq .faq-check__body p {
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-list {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-item {
  position: relative;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(21, 14, 43, 0.5);
  transition: border-color 0.2s ease, background 0.2s ease;
  overflow: hidden;
}

.page-faq .faq-item:first-child {
  margin-top: 0;
}

.page-faq .faq-item[open] {
  border-color: var(--line-cyan);
  background: rgba(21, 14, 43, 0.92);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}

.page-faq .faq-item__summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 52px 17px calc(var(--faq-pad) + 2px);
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: #fff;
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__summary:hover {
  color: var(--cyan);
}

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

.page-faq .faq-item__idx {
  flex: none;
  margin-top: 3px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--blue);
  border: 1px solid rgba(46, 124, 246, 0.42);
  padding: 1px 6px;
  border-radius: var(--radius);
}

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

.page-faq .faq-item__marker {
  position: absolute;
  right: 20px;
  top: 24px;
  width: 12px;
  height: 12px;
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  background: var(--mute);
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item__marker::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-item__marker::after {
  left: 5px;
  top: 0;
  width: 1.5px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-item__marker::before {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: scaleY(0);
}

.page-faq .faq-item__panel {
  padding: 0 calc(var(--faq-pad) + 2px) calc(var(--faq-pad) + 4px);
  animation: faq-panel-in 0.24s ease both;
}

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

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 14px 0 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 44px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mute);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--blue);
  border: 1px solid rgba(46, 124, 246, 0.4);
  padding: 1px 5px;
}

.page-faq .faq-item__result {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-2);
}

.page-faq .faq-item__result--amber {
  color: var(--amber);
}

.page-faq .faq-item__result--amber .status {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(255, 138, 61, 0.6);
}

/* ---------- 版本面板 ---------- */
.page-faq .faq-paper {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(24px, 3.6vw, 40px);
  border-radius: var(--radius);
}

.page-faq .faq-paper__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-paper__col {
  padding-top: 14px;
  border-top: 1px solid var(--paper-2);
}

.page-faq .faq-paper__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6b5f7d;
}

.page-faq .faq-paper__value {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper-ink);
}

.page-faq .faq-paper__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3b3450;
  max-width: 44ch;
}

/* ---------- 导出章节 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
}

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

.page-faq .faq-split__side .btn {
  justify-content: center;
}

/* ---------- 求助章节 ---------- */
.page-faq .faq-escalate {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.4vw, 40px);
}

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

.page-faq .faq-prepare__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 15px var(--faq-pad);
  background: rgba(6, 7, 13, 0.86);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-faq .faq-prepare__idx {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
}

.page-faq .faq-contact-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(108, 59, 244, 0.22), rgba(6, 7, 13, 0.92) 62%);
}

.page-faq .faq-contact-card__title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
}

.page-faq .faq-contact-card__line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-card__label {
  flex: none;
  width: 44px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-contact-card__note {
  margin: 16px 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 条目维护时间轴 ---------- */
.page-faq .faq-timeline {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-timeline .timeline-item {
  position: relative;
  padding-bottom: clamp(26px, 3.6vw, 40px);
}

.page-faq .faq-timeline .timeline-item:last-child {
  padding-bottom: 0;
}

.page-faq .faq-timeline__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: #fff;
}

.page-faq .faq-timeline .timeline-body p {
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mute);
}

.page-faq .faq-timeline .timeline-index {
  color: var(--violet);
}

.page-faq .faq-timeline .timeline-item[data-step].is-visible .timeline-index {
  color: var(--cyan);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-block--last .link-list {
  margin-top: clamp(22px, 3vw, 32px);
}

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

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

  .page-faq .faq-escalate {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 58fr) minmax(0, 42fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-faq .faq-hero__figure {
    margin-top: 12px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-split__side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    letter-spacing: -0.035em;
  }

  .page-faq .faq-timeline .timeline-body {
    max-width: 60ch;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    font-size: 30px;
  }

  .page-faq .faq-item__summary {
    padding-right: 46px;
    font-size: 15.5px;
  }

  .page-faq .faq-chip {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-contact-card__line {
    flex-direction: column;
    gap: 4px;
  }
}

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

  .page-faq .faq-item,
  .page-faq .faq-chip,
  .page-faq .faq-item__marker::before,
  .page-faq .faq-item__marker::after {
    transition: none;
  }
}
<<<END>>>