.page-faq {
  --faq-line: rgba(27, 37, 71, 0.95);
  --faq-panel-hi: #101a35;
  --faq-glow: 0 0 24px rgba(142, 124, 255, 0.35);
  --faq-amber-soft: rgba(255, 177, 60, 0.5);
  display: block;
  background:
    radial-gradient(circle at 10% 3%, rgba(142, 124, 255, 0.14), transparent 40%),
    radial-gradient(circle at 92% 20%, rgba(255, 79, 163, 0.07), transparent 44%),
    var(--void);
  color: var(--silver);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: clip;
}

.page-faq .faq-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  padding: clamp(20px, 3.5vw, 44px) 0 clamp(32px, 5vw, 64px);
}

.page-faq .faq-head__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-size: clamp(38px, 8vw, 84px);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--silver);
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-metrics__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--orbit);
}

.page-faq .faq-metrics__item--amber {
  border-left-color: var(--amber);
}

.page-faq .faq-metrics__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--fluor);
  letter-spacing: -0.02em;
}

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

.page-faq .faq-metrics__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-head__art {
  position: relative;
}

.page-faq .faq-head__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid var(--orbit);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(140deg, #0b1226, #131c3c 60%, #1b2547);
}

.page-faq .faq-head__art::after {
  content: "";
  position: absolute;
  inset: -18% -12% auto auto;
  width: 56%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(142, 124, 255, 0.28), transparent 68%);
  pointer-events: none;
}

/* ---------- 四组索引 ---------- */
.page-faq .faq-index {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-faq .faq-index__rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--orbit);
  border: 2px solid var(--orbit);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-index__node {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 2.6vw, 26px);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-faq .faq-index__node:hover,
.page-faq .faq-index__node:focus-visible {
  background: var(--faq-panel-hi);
  box-shadow: inset 3px 0 0 0 var(--violet);
  outline: none;
}

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

.page-faq .faq-index__num {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--magenta);
}

.page-faq .faq-index__name {
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--silver);
}

.page-faq .faq-index__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-index__count {
  margin-top: auto;
  padding-top: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(44px, 7vw, 84px) 0 clamp(6px, 1.5vw, 14px);
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(22px, 3.5vw, 38px);
}

.page-faq .faq-group__lead {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-group__mark {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--default, var(--magenta));
  color: var(--magenta);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 200;
  letter-spacing: -0.015em;
  line-height: 1.14;
  color: var(--silver);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-group__list {
  border-top: 2px solid var(--orbit);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
  transition: background 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(142, 124, 255, 0.09), transparent 72%);
  box-shadow: inset 3px 0 0 0 var(--violet);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(17px, 2.3vw, 24px) 8px clamp(17px, 2.3vw, 24px) 14px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 1.9vw, 18px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--silver);
  transition: color 200ms var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--violet);
}

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

.page-faq .qa[open] .qa__q {
  color: var(--violet);
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-left: auto;
  margin-top: 5px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--violet);
  transform: translateY(-50%);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .qa__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 clamp(14px, 2vw, 28px) clamp(20px, 2.8vw, 26px) 14px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.92;
  color: var(--mist);
}

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

.page-faq .qa__a .num {
  font-family: var(--font-mono);
  color: var(--fluor);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__a .link-more {
  color: var(--violet);
}

/* ---------- 收藏周期重点区 ---------- */
.page-faq .faq-group--archive {
  position: relative;
}

.page-faq .faq-group--archive::before {
  content: "";
  position: absolute;
  top: 12%;
  left: -14%;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 177, 60, 0.12), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-cycle {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  margin-bottom: clamp(26px, 4vw, 42px);
  padding: clamp(22px, 3.5vw, 34px);
  border: 2px solid var(--orbit);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-cycle__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border: 2px solid rgba(255, 177, 60, 0.35);
  background: radial-gradient(circle at 50% 50%, #131c3c, #0b1226 70%);
}

.page-faq .faq-cycle__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-align: center;
}

.page-faq .faq-cycle__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-cycle__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .cycle-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.page-faq .cycle-strip__seg {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 46px;
  padding-bottom: 6px;
  border: 2px solid var(--faq-amber-soft);
  background: linear-gradient(180deg, rgba(255, 177, 60, 0.3), rgba(255, 177, 60, 0.06));
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--amber);
}

.page-faq .cycle-strip__seg--last {
  border-style: dashed;
  border-color: rgba(255, 177, 60, 0.34);
  background: transparent;
  color: rgba(255, 177, 60, 0.55);
}

.page-faq .cycle-strip__axis {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* ---------- 求助面板 ---------- */
.page-faq .faq-help {
  padding: clamp(40px, 6vw, 72px) 0 0;
}

.page-faq .faq-help__panel {
  padding: clamp(24px, 4vw, 48px);
  border: 2px solid var(--orbit);
  background:
    radial-gradient(circle at 88% 8%, rgba(142, 124, 255, 0.16), transparent 46%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-help__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--magenta);
}

.page-faq .faq-help__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 200;
  letter-spacing: -0.015em;
  line-height: 1.16;
  color: var(--silver);
}

.page-faq .faq-help__lede {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-faq .faq-help__col-title {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-faq .faq-help__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background: var(--violet);
}

.page-faq .faq-help__list--contact li {
  padding-left: 0;
  color: var(--silver);
}

.page-faq .faq-help__list--contact li::before {
  display: none;
}

.page-faq .faq-help__list .mono {
  color: var(--fluor);
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-help__note .link-more {
  color: var(--violet);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--faq-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-index__rail {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-head__inner {
    grid-template-columns: 7fr 5fr;
    gap: clamp(40px, 6vw, 76px);
  }

  .page-faq .faq-index__rail {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-group__head {
    grid-template-columns: 5fr 7fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: end;
  }

  .page-faq .faq-group__list {
    padding-left: clamp(0px, 2vw, 28px);
  }

  .page-faq .faq-cycle {
    grid-template-columns: 5fr 7fr;
    gap: clamp(30px, 5vw, 60px);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group__head {
    grid-template-columns: 4fr 8fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-index__node {
    transition: none;
  }
}
<<<END>>>

.page-faq {
  --default: currentColor;
}