.page-faq {
  --faq-panel: var(--ink-900);
  --faq-rule: 1px solid var(--ink-700);
  --faq-glow: rgba(57, 255, 136, 0.42);
  --faq-blue: rgba(46, 139, 255, 0.42);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 56px) 0 44px;
  background:
    radial-gradient(92% 120% at 6% 0%, rgba(46, 139, 255, 0.26), transparent 58%),
    radial-gradient(70% 94% at 96% 4%, rgba(57, 255, 136, 0.13), transparent 60%),
    var(--ink-950);
  border-bottom: var(--line);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(147, 160, 191, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(147, 160, 191, 0.09) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 86%);
  pointer-events: none;
}

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

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 20px 0 16px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pulse);
  border: 1px solid var(--faq-glow);
  border-radius: 999px;
  background: rgba(57, 255, 136, 0.07);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 760px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--warm);
}

.page-faq .faq-hero__lede {
  max-width: 660px;
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  background: rgba(12, 21, 48, 0.72);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding: 46px 0 76px;
}

.page-faq .faq-layout {
  align-items: start;
}

.page-faq .faq-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse);
}

.page-faq .section__title {
  font-family: var(--font-serif);
  font-weight: 700;
}

.page-faq .section__note {
  color: var(--steel);
}

.page-faq .section + .section {
  margin-top: 54px;
}

.page-faq .inline-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .inline-note a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 139, 255, 0.5);
}

.page-faq .inline-note a:hover,
.page-faq .inline-note a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--faq-glow);
}

/* ---------- 起步三步 ---------- */

.page-faq .steps {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 18px 20px;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step:hover,
.page-faq .step:focus-within {
  transform: translateY(-2px);
  border-color: var(--faq-glow);
}

.page-faq .step__no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--pulse);
  border: 1px solid var(--faq-glow);
  border-radius: var(--radius);
  background: rgba(57, 255, 136, 0.08);
}

.page-faq .step__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--warm);
}

.page-faq .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure .media__caption,
.page-faq .faq-split__media .media__caption {
  color: var(--steel);
  font-size: 13px;
}

/* ---------- 苹果版分栏 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

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

.page-faq .checklist {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .checklist li {
  position: relative;
  padding: 12px 14px 12px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
  border: var(--faq-rule);
  border-left: 2px solid var(--electric);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(46, 139, 255, 0.06);
}

.page-faq .checklist strong {
  color: var(--warm);
  font-weight: 700;
}

/* ---------- 两条路径 ---------- */

.page-faq .path-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .path {
  padding: 22px 20px;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(46, 139, 255, 0.14), transparent 62%),
    var(--ink-900);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .path:hover {
  transform: translateY(-2px);
  border-color: var(--faq-blue);
}

.page-faq .path__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--pulse);
  border: 1px solid var(--faq-glow);
  border-radius: var(--radius);
  background: rgba(57, 255, 136, 0.08);
}

.page-faq .path__tag--blue {
  color: var(--mist);
  border-color: var(--faq-blue);
  background: rgba(46, 139, 255, 0.12);
}

.page-faq .path__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--warm);
}

.page-faq .path__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-faq .path__list {
  margin: 14px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: var(--faq-rule);
  display: grid;
  gap: 6px;
}

.page-faq .path__list li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问答卡片墙 ---------- */

.page-faq .qa-wall {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .qa {
  align-self: start;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background: var(--ink-900);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .qa:hover {
  transform: translateY(-2px);
}

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

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 17px 18px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: -2px;
}

.page-faq .qa__num {
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--pulse);
  border: 1px solid var(--faq-glow);
  border-radius: var(--radius);
  background: rgba(57, 255, 136, 0.07);
}

.page-faq .qa__q {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--warm);
}

.page-faq .qa__sign {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--electric);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa__sign::before {
  left: 1px;
  right: 1px;
  top: 9px;
  height: 2px;
}

.page-faq .qa__sign::after {
  top: 1px;
  bottom: 1px;
  left: 9px;
  width: 2px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 4px 18px 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
  border-top: var(--faq-rule);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .qa[open] .qa__body {
  animation: faq-drop var(--dur) var(--ease);
}

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

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

.page-faq .qa__list {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-faq .qa__list li {
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 反馈条 ---------- */

.page-faq .note-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding: 18px 20px;
  border: var(--faq-rule);
  border-left: 3px solid var(--pulse);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(57, 255, 136, 0.09), transparent 70%), var(--ink-900);
}

.page-faq .note-strip__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--warm);
}

/* ---------- 字段说明 ---------- */

.page-faq .field-list {
  margin: 26px 0 0;
  border-top: var(--faq-rule);
}

.page-faq .field-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--faq-rule);
}

.page-faq .field-row dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pulse);
}

.page-faq .field-row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 订阅三档 ---------- */

.page-faq .tiers {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .tier {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background: var(--ink-900);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .tier:hover {
  transform: translateY(-2px);
  border-color: var(--faq-blue);
}

.page-faq .tier--top {
  border-color: var(--faq-glow);
  background:
    linear-gradient(180deg, rgba(57, 255, 136, 0.1), transparent 58%),
    var(--ink-900);
  box-shadow: var(--glow-pulse);
}

.page-faq .tier__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--warm);
}

.page-faq .tier__for {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .tier__list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: var(--faq-rule);
  display: grid;
  gap: 8px;
}

.page-faq .tier__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--pulse);
}

/* ---------- 右侧入口 ---------- */

.page-faq .guide-side {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}

.page-faq .side-card {
  padding: 18px;
  border: var(--faq-rule);
  border-radius: var(--radius);
  background: var(--ink-900);
}

.page-faq .side-card--contact {
  background:
    linear-gradient(160deg, rgba(46, 139, 255, 0.12), transparent 66%),
    var(--ink-900);
}

.page-faq .side-card__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .side-link {
  display: block;
  margin-bottom: 8px;
  padding: 11px 12px;
  border-left: 2px solid var(--electric);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(46, 139, 255, 0.07);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .side-link:last-of-type {
  margin-bottom: 0;
}

.page-faq .side-link:hover,
.page-faq .side-link:focus-visible {
  background: rgba(57, 255, 136, 0.1);
  border-left-color: var(--pulse);
  transform: translateX(2px);
}

.page-faq .side-link__k {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--warm);
}

.page-faq .side-link__d {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .side-card__lead {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .side-card__line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: var(--faq-rule);
}

.page-faq .side-card__key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-faq .side-card__val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pulse);
  word-break: break-all;
}

.page-faq .side-card__meta {
  margin: 12px 0 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 76px) 0 60px;
  }

  .page-faq .faq-body {
    padding: 60px 0 96px;
  }

  .page-faq .step {
    grid-template-columns: 52px 1fr;
    gap: 20px;
    padding: 22px 24px;
  }

  .page-faq .step__no {
    width: 52px;
    height: 52px;
    font-size: 22px;
  }

  .page-faq .qa-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }

  .page-faq .qa-wall > .qa:nth-child(even) {
    margin-top: 30px;
  }

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

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

  .page-faq .field-row {
    grid-template-columns: 150px 1fr;
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .guide-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-top: 0;
    align-self: start;
  }
}
<<<END>>>