.page-faq {
  --faq-gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-top: calc(var(--header-h) + 1rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  background: var(--ink-900);
  color: var(--ice);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 7vw, 4rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0.7rem 0 0;
  color: var(--ice);
}

.page-faq h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0.55rem 0 0;
  color: var(--ice);
}

.page-faq h3 {
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  font-weight: 700;
  line-height: 1.4;
  margin: 0.45rem 0 0.5rem;
  color: var(--ice);
}

.page-faq p {
  margin: 0;
}

.page-faq .lede {
  margin-top: 0.9rem;
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.8;
}

.page-faq .eyebrow {
  color: var(--sand);
  letter-spacing: 0.14em;
  font-size: 0.74rem;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1rem, 3vw, 2rem) clamp(2.75rem, 6vw, 4.25rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -12% -15% auto -15%;
  height: 360px;
  background: radial-gradient(58% 100% at 22% 0%, rgba(255, 106, 42, 0.16), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__figure figcaption {
  padding: 0.7rem 0.35rem 0.2rem;
  color: var(--mist);
  font-size: 0.8rem;
  line-height: 1.65;
}

.page-faq .faq-hero__paths {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

.page-faq .faq-path {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  transform: skewX(-4deg);
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), color 150ms var(--ease);
}

.page-faq .faq-path > span {
  display: inline-block;
  transform: skewX(4deg);
}

.page-faq .faq-path__num {
  color: var(--orange);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  border-color: var(--sand);
  background: var(--sand-soft);
  color: var(--sand);
}

.page-faq .faq-path:hover .faq-path__num,
.page-faq .faq-path:focus-visible .faq-path__num {
  color: var(--sand);
}

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

/* ---------- 分区骨架 ---------- */

.page-faq .faq-section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.page-faq .faq-head {
  max-width: 70ch;
}

/* ---------- 三步排查 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-step {
  padding: 1.4rem 1.15rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-top-color: var(--line);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-faq .faq-step--net { border-top-color: var(--mint); }
.page-faq .faq-step--entry { border-top-color: var(--sand); }
.page-faq .faq-step--support { border-top-color: var(--orange); }

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-step p {
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.78;
}

/* ---------- 订阅问答 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

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

.page-faq .faq-disclosure {
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  background: var(--ink-800);
  transition: border-color 150ms var(--ease);
}

.page-faq .faq-disclosure + .faq-disclosure {
  margin-top: 0.65rem;
}

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

.page-faq .faq-disclosure summary {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
  font-weight: 700;
  font-size: 0.96rem;
  line-height: 1.5;
}

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

.page-faq .faq-disclosure summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--sand);
}

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

.page-faq .faq-disclosure summary:hover {
  color: var(--sand);
}

.page-faq .faq-disclosure summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .faq-disclosure__body {
  padding: 0 1.1rem 1.1rem;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.8;
}

.page-faq .faq-figure {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 0.7rem 0.35rem 0.2rem;
  color: var(--mist);
  font-size: 0.8rem;
  line-height: 1.65;
}

/* ---------- 设备迁移 ---------- */

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.9rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-faq .faq-stat {
  padding: 1.2rem 1rem 1.3rem;
  background: var(--ink-800);
  border-left: 2px solid var(--sand);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--sand);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 0.55rem;
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.6;
}

.page-faq .faq-prose {
  display: grid;
  gap: 1rem;
  max-width: 68ch;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-prose p {
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.85;
}

/* ---------- 内容目录 ---------- */

.page-faq .faq-cats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-cat {
  padding: 1.15rem 1.05rem 1.3rem;
  background: var(--ink-900);
  transition: background-color 150ms var(--ease);
}

.page-faq .faq-cat:hover {
  background: var(--card);
}

.page-faq .faq-cat h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--sand);
}

.page-faq .faq-cat p {
  color: var(--mist);
  font-size: 0.85rem;
  line-height: 1.72;
}

/* ---------- 客服准备 ---------- */

.page-faq .faq-section--calm {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  background: var(--ink-800);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-checklist h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.page-faq .faq-checklist p {
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.75;
}

.page-faq .faq-check {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border: 1px solid var(--mint);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
}

.page-faq .faq-contact-strip {
  display: grid;
  gap: 0.85rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: var(--card);
}

.page-faq .faq-contact-strip p {
  color: var(--ice);
  font-size: 0.92rem;
  line-height: 1.85;
}

.page-faq .faq-contact-strip strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--sand);
  word-break: break-word;
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

/* ---------- 响应式 ---------- */

@media (min-width: 780px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.05rem;
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.75rem, 3.5vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-path,
  .page-faq .faq-cat,
  .page-faq .faq-disclosure {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>