.page-faq {
  --faq-toc-w: 210px;
  --faq-gap: clamp(1.6rem, 4vw, 3rem);
  background: var(--kit-paper);
  color: var(--kit-ink);
  font-family: var(--kit-sans);
  overflow-x: clip;
}

.page-faq .kit-crumb {
  margin-bottom: 1.1rem;
  font-family: var(--kit-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--kit-ink-soft);
}

.page-faq .kit-crumb a {
  color: var(--kit-ink-soft);
  text-decoration: none;
}

.page-faq .kit-crumb a:hover,
.page-faq .kit-crumb a:focus-visible {
  color: var(--kit-orange);
}

.page-faq .kit-crumb__sep {
  margin: 0 0.45em;
  color: var(--kit-rule);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.6rem) 0 clamp(1.6rem, 4vw, 2.8rem);
  background:
    radial-gradient(circle at 92% 6%, var(--kit-orange-mist) 0%, rgba(255, 227, 214, 0) 54%),
    radial-gradient(circle at 4% 96%, var(--kit-teal-mist) 0%, rgba(214, 247, 242, 0) 48%),
    linear-gradient(180deg, var(--kit-paper) 0%, var(--kit-card) 100%);
  border-bottom: 1px solid var(--kit-rule-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--kit-rule-soft) 0 1px, transparent 1px 96px);
  opacity: 0.5;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}

.page-faq .faq-hero > .kit-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .kit-eyebrow {
  font-family: var(--kit-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--kit-orange);
  margin: 0 0 0.7rem;
}

.page-faq .faq-h1 {
  font-family: var(--kit-round);
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  max-width: 20em;
  text-wrap: balance;
}

.page-faq .faq-lead {
  font-size: clamp(1rem, 2.1vw, 1.125rem);
  line-height: 1.78;
  color: var(--kit-ink-soft);
  max-width: 62ch;
  margin: 0 0 1.5rem;
}

.page-faq .faq-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 章节标题组 ---------- */
.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 0.85rem;
  align-items: start;
  margin-bottom: 1.4rem;
}

.page-faq .faq-head__num {
  font-family: var(--kit-mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--kit-orange);
  letter-spacing: -0.02em;
}

.page-faq .faq-head h2 {
  font-family: var(--kit-serif);
  font-size: clamp(1.35rem, 3.3vw, 2rem);
  font-weight: 700;
  line-height: 1.24;
  margin: 0;
}

.page-faq .faq-head__sub {
  grid-column: 2;
  margin: 0.45rem 0 0;
  font-size: 0.975rem;
  line-height: 1.72;
  color: var(--kit-ink-soft);
  max-width: 60ch;
}

/* ---------- 三步准备 ---------- */
.page-faq .faq-prep {
  padding: clamp(1.8rem, 4.5vw, 3rem) 0 clamp(0.6rem, 2vw, 1rem);
}

.page-faq .faq-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-faq .faq-prep__card {
  position: relative;
  background: var(--kit-card);
  border: 1px solid var(--kit-rule);
  border-radius: var(--kit-radius);
  padding: 1.15rem 1.1rem 1.2rem;
  box-shadow: var(--kit-shadow);
}

.page-faq .faq-prep__card--orange { border-top: 4px solid var(--kit-orange); }
.page-faq .faq-prep__card--blue { border-top: 4px solid var(--kit-blue); }
.page-faq .faq-prep__card--teal { border-top: 4px solid var(--kit-teal); }

.page-faq .faq-prep__no {
  display: inline-block;
  font-family: var(--kit-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--kit-ink);
  margin-bottom: 0.55rem;
}

.page-faq .faq-prep__card--orange .faq-prep__no { color: var(--kit-orange); }
.page-faq .faq-prep__card--blue .faq-prep__no { color: var(--kit-blue); }
.page-faq .faq-prep__card--teal .faq-prep__no { color: var(--kit-teal); }

.page-faq .faq-prep__title {
  font-family: var(--kit-round);
  font-size: 1.06rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
}

.page-faq .faq-prep__card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--kit-ink-soft);
}

.page-faq a {
  color: var(--kit-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

.page-faq .faq-prep__card a {
  font-weight: 600;
}

/* ---------- 主体两列 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: clamp(1.8rem, 4.5vw, 3rem);
  padding-bottom: clamp(2.4rem, 6vw, 4rem);
}

.page-faq .faq-toc {
  order: -1;
}

.page-faq .faq-toc__label {
  margin: 0 0 0.5rem;
  font-family: var(--kit-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kit-ink-soft);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--kit-rule);
  border-radius: 999px;
  background: var(--kit-card);
  font-size: 0.85rem;
  color: var(--kit-ink);
  text-decoration: none;
  white-space: nowrap;
}

.page-faq .faq-toc__list a span {
  font-family: var(--kit-mono);
  font-size: 0.72rem;
  color: var(--kit-orange);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-color: var(--kit-orange);
  background: var(--kit-orange-mist);
  color: var(--kit-ink);
}

.page-faq .faq-body > .faq-sec + .faq-sec {
  margin-top: clamp(2.4rem, 6vw, 3.8rem);
}

.page-faq .faq-sec {
  scroll-margin-top: 96px;
}

/* ---------- 安装三步 ---------- */
.page-faq .faq-isteps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-istep {
  position: relative;
  background: var(--kit-card);
  border: 1px solid var(--kit-rule);
  border-left: 4px solid var(--kit-blue);
  border-radius: var(--kit-radius);
  padding: 1rem 1.05rem 1.1rem;
}

.page-faq .faq-istep__no {
  display: block;
  font-family: var(--kit-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--kit-blue);
  margin-bottom: 0.55rem;
}

.page-faq .faq-istep__title {
  font-family: var(--kit-round);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.page-faq .faq-istep p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--kit-ink-soft);
}

.page-faq .faq-figure {
  margin: 0 0 1.4rem;
}

.page-faq .kit-figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--kit-rule);
  border-radius: var(--kit-radius);
  background:
    linear-gradient(135deg, var(--kit-blue-mist) 0%, var(--kit-card) 58%, var(--kit-teal-mist) 100%);
  box-shadow: var(--kit-shadow);
}

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

.page-faq .kit-figure__cap {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--kit-ink-soft);
}

.page-faq .faq-note-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.2rem;
  padding: 1rem 1.1rem;
  border-radius: var(--kit-radius);
  background: var(--kit-blue-mist);
  border: 1px solid var(--kit-rule-soft);
}

.page-faq .faq-note-row p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
}

/* ---------- 12 步 ---------- */
.page-faq .faq-stages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  align-items: start;
}

.page-faq .faq-stage {
  border: 1px solid var(--kit-rule);
  border-radius: var(--kit-radius);
  padding: 1rem 1.05rem 1.05rem;
}

.page-faq .faq-stage--prep { background: var(--kit-orange-mist); }
.page-faq .faq-stage--config { background: var(--kit-blue-mist); }
.page-faq .faq-stage--check { background: var(--kit-teal-mist); }

.page-faq .faq-stage__title {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--kit-round);
  font-size: 1.06rem;
  font-weight: 700;
  margin: 0 0 0.7rem;
}

.page-faq .faq-stage__title span {
  font-family: var(--kit-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--kit-ink-soft);
}

.page-faq .faq-stage__list {
  margin: 0 0 0.85rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stage__list li {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 0.55rem;
  padding: 0.5rem 0;
  font-size: 0.93rem;
  line-height: 1.6;
  border-bottom: 1px dashed var(--kit-rule-soft);
}

.page-faq .faq-stage__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-stage__no {
  font-family: var(--kit-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding-top: 0.14rem;
  color: var(--kit-ink);
  opacity: 0.72;
}

.page-faq .faq-stage__more .kit-disclosure__btn {
  width: 100%;
  background: rgba(255, 253, 249, 0.72);
  border: 1px solid var(--kit-rule);
  font-size: 0.88rem;
  font-weight: 700;
}

.page-faq .faq-stage__more .kit-disclosure__panel ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--kit-ink);
}

.page-faq .faq-stage__more .kit-disclosure__panel li + li {
  margin-top: 0.4rem;
}

.page-faq .faq-stages__foot {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--kit-ink-soft);
}

/* ---------- 订阅 ---------- */
.page-faq .faq-sub {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--kit-rule);
  border-radius: var(--kit-radius);
  background:
    radial-gradient(circle at 96% 0%, var(--kit-teal-mist) 0%, rgba(214, 247, 242, 0) 62%),
    var(--kit-card);
  box-shadow: var(--kit-shadow);
}

.page-faq .faq-sub__main h2 {
  font-family: var(--kit-serif);
  font-size: clamp(1.35rem, 3.3vw, 2rem);
  line-height: 1.24;
  margin: 0 0 0.6rem;
}

.page-faq .faq-sub__main > p {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--kit-ink-soft);
  max-width: 52ch;
}

.page-faq .faq-sub__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-sub__steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.55rem;
  align-items: baseline;
  padding: 0.45rem 0;
  font-size: 0.93rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--kit-rule-soft);
}

.page-faq .faq-sub__steps li:last-child {
  border-bottom: 0;
}

.page-faq .faq-sub__no {
  font-family: var(--kit-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--kit-teal);
}

.page-faq .faq-sub__side {
  border-top: 3px solid var(--kit-teal);
  border-radius: 4px 4px var(--kit-radius) var(--kit-radius);
  background: var(--kit-card);
  padding: 1rem 1.05rem 1.1rem;
  border-right: 1px solid var(--kit-rule-soft);
  border-bottom: 1px solid var(--kit-rule-soft);
  border-left: 1px solid var(--kit-rule-soft);
}

.page-faq .faq-sub__kicker {
  margin: 0 0 0.25rem;
  font-family: var(--kit-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kit-ink-soft);
}

.page-faq .faq-sub__big {
  margin: 0 0 0.4rem;
  font-family: var(--kit-round);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.15;
}

.page-faq .faq-sub__meta {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--kit-ink-soft);
}

.page-faq .faq-sub__fine {
  margin: 0.8rem 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--kit-ink-soft);
}

/* ---------- 设备切换 ---------- */
.page-faq .faq-device {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  align-items: start;
}

.page-faq .faq-device__list {
  background: var(--kit-card);
  border: 1px solid var(--kit-rule);
  border-radius: var(--kit-radius);
  padding: 1rem 1.05rem 1.15rem;
  box-shadow: var(--kit-shadow);
}

.page-faq .faq-device__hint {
  margin: 0 0 0.7rem;
  font-family: var(--kit-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--kit-ink-soft);
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--kit-rule-soft);
  cursor: pointer;
}

.page-faq .faq-check:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-check__box {
  position: relative;
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.16rem;
  border: 2px solid var(--kit-rule);
  border-radius: 5px;
  background: var(--kit-paper);
  transition: background-color 120ms var(--kit-ease), border-color 120ms var(--kit-ease), transform 120ms var(--kit-ease);
}

.page-faq .faq-check__box::after {
  content: "";
  position: absolute;
  left: 0.33rem;
  top: 0.1rem;
  width: 0.3rem;
  height: 0.6rem;
  border-right: 2px solid var(--kit-card);
  border-bottom: 2px solid var(--kit-card);
  transform: rotate(45deg) scale(0);
  transform-origin: center;
  transition: transform 120ms var(--kit-ease);
}

.page-faq .faq-check__input:checked + .faq-check__box {
  background: var(--kit-teal);
  border-color: var(--kit-teal);
  transform: scale(1.04);
}

.page-faq .faq-check__input:checked + .faq-check__box::after {
  transform: rotate(45deg) scale(1);
}

.page-faq .faq-check__input:focus-visible + .faq-check__box {
  outline: 2px solid var(--kit-blue);
  outline-offset: 2px;
}

.page-faq .faq-check__input:checked ~ .faq-check__label {
  color: var(--kit-ink-soft);
}

.page-faq .faq-check__label {
  font-size: 0.93rem;
  line-height: 1.65;
}

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

/* ---------- 常见问题手风琴 ---------- */
.page-faq .faq-faq {
  border-top: 1px solid var(--kit-rule);
}

.page-faq .faq-faq__item {
  border-bottom: 1px solid var(--kit-rule);
}

.page-faq .faq-faq__q {
  margin: 0;
  font-size: 1rem;
  font-weight: inherit;
}

.page-faq .faq-faq__btn {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) 1.6rem;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 1rem 0.35rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  text-align: left;
  color: var(--kit-ink);
  cursor: pointer;
  transition: background-color 160ms var(--kit-ease);
}

.page-faq .faq-faq__btn:hover,
.page-faq .faq-faq__btn:focus-visible {
  background: var(--kit-orange-mist);
}

.page-faq .faq-faq__btn:focus-visible {
  outline: 2px solid var(--kit-orange);
  outline-offset: -2px;
}

.page-faq .faq-faq__no {
  font-family: var(--kit-mono);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  color: var(--kit-orange);
  letter-spacing: -0.02em;
}

.page-faq .faq-faq__text {
  font-family: var(--kit-round);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-faq__panel {
  padding: 0 0.35rem 1.1rem 3.65rem;
}

.page-faq .faq-faq__panel p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--kit-ink-soft);
}

.page-faq .faq-faq__item:has(.faq-faq__btn[aria-expanded="true"]) {
  background: linear-gradient(90deg, var(--kit-orange-mist) 0%, transparent 78%);
}

/* ---------- 结尾提问条 ---------- */
.page-faq .faq-ask {
  margin-top: 1.8rem;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: var(--kit-radius);
  border: 1px solid var(--kit-rule);
  background: var(--kit-ink);
  color: var(--kit-on-dark);
  display: grid;
  gap: 1rem;
}

.page-faq .faq-ask__text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  max-width: 56ch;
  color: rgba(250, 247, 242, 0.92);
}

.page-faq .faq-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-ask .kit-btn--ghost {
  color: var(--kit-paper);
  border-color: rgba(250, 247, 242, 0.45);
  background: transparent;
}

.page-faq .faq-ask .kit-btn--ghost:hover,
.page-faq .faq-ask .kit-btn--ghost:focus-visible {
  background: rgba(250, 247, 242, 0.12);
  color: var(--kit-paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-prep__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-sub {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 1.6rem;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: 2.6rem;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0.35rem;
  }

  .page-faq .faq-toc__list a {
    display: grid;
    grid-template-columns: 1.9rem minmax(0, 1fr);
    align-items: baseline;
    border: 0;
    border-left: 2px solid var(--kit-rule);
    border-radius: 0;
    background: transparent;
    padding: 0.4rem 0.5rem;
    white-space: normal;
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--kit-orange);
    background: var(--kit-orange-mist);
  }

  .page-faq .faq-faq__btn {
    padding: 1.15rem 0.5rem;
    grid-template-columns: 3.2rem minmax(0, 1fr) 1.6rem;
    gap: 1rem;
  }

  .page-faq .faq-faq__no {
    font-size: 1.5rem;
  }

  .page-faq .faq-faq__text {
    font-size: 1.1rem;
  }

  .page-faq .faq-faq__panel {
    padding-left: 4.7rem;
    padding-right: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-check__box,
  .page-faq .faq-check__box::after,
  .page-faq .faq-faq__btn {
    transition: none;
  }

  .page-faq .faq-check__input:checked + .faq-check__box {
    transform: none;
  }
}

@media print {
  .page-faq .faq-toc,
  .page-faq .faq-ask__actions,
  .page-faq .faq-hero__links {
    display: none;
  }

  .page-faq .faq-stage,
  .page-faq .faq-device__list {
    break-inside: avoid;
    box-shadow: none;
  }
}
</style>
<<<END>>>

等等——输出格式要求只包含两个标记块，不要额外 style 标签。修正：PAGE_CSS 块内只放 CSS，不含 <style>。

（最终输出如下）