.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-sec-space: clamp(48px, 7vw, 96px);
  color: var(--cp-mist);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -80px 0 auto 0;
  height: 380px;
  background:
    radial-gradient(58% 100% at 80% 0%, rgba(31, 216, 164, 0.16), transparent 72%),
    radial-gradient(42% 82% at 6% 6%, rgba(255, 106, 77, 0.1), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-size: clamp(32px, 7.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.75;
  color: var(--cp-mist);
}

.page-faq .faq-hero__meta {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-faq .faq-hero__metatext {
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cp-steel);
  text-transform: uppercase;
}

.page-faq .faq-hero__aside {
  border-left: 2px solid var(--cp-sand);
  padding-left: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-faq .faq-hero__asidebody {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cp-steel);
  max-width: 22em;
}

.page-faq .faq-hero__figure {
  position: relative;
  z-index: 1;
  margin: clamp(28px, 4.5vw, 52px) 0 0;
}

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

/* ---------- 区块与标题 ---------- */
.page-faq .faq-sec {
  padding-top: var(--faq-sec-space);
  scroll-margin-top: 140px;
}

.page-faq .faq-sec--ink {
  margin-top: var(--faq-sec-space);
  padding-top: var(--faq-sec-space);
  padding-bottom: var(--faq-sec-space);
  background: linear-gradient(180deg, rgba(20, 41, 63, 0.85), rgba(11, 27, 43, 0.2));
  border-top: 1px solid var(--cp-line);
  border-bottom: 1px solid var(--cp-line);
}

.page-faq .faq-head {
  max-width: 40em;
}

.page-faq .faq-h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.page-faq .faq-h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.35;
  font-weight: 700;
}

.page-faq .faq-head__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cp-steel);
  max-width: 34em;
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-track {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

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

.page-faq .faq-track__link {
  position: relative;
  display: block;
  padding: 22px 16px 24px;
  border-top: 2px solid var(--cp-line);
  text-decoration: none;
  color: inherit;
  background: rgba(20, 41, 63, 0.35);
  transition: border-color 0.3s var(--cp-ease), background-color 0.3s var(--cp-ease);
}

.page-faq .faq-track__link::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cp-jade);
  box-shadow: 0 0 0 4px rgba(11, 27, 43, 1);
}

.page-faq .faq-track__item:nth-child(2) .faq-track__link::before {
  background: var(--cp-sand);
}

.page-faq .faq-track__item:nth-child(3) .faq-track__link::before {
  background: var(--cp-coral);
}

.page-faq .faq-track__link:hover,
.page-faq .faq-track__link:focus-visible {
  border-color: var(--cp-jade);
  background: rgba(31, 216, 164, 0.08);
  outline: none;
}

.page-faq .faq-track__code {
  display: block;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cp-sand);
}

.page-faq .faq-track__title {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .faq-track__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cp-steel);
}

.page-faq .faq-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-detail__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 24px;
  padding-bottom: clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--cp-line);
  scroll-margin-top: 150px;
}

.page-faq .faq-detail__num {
  font-family: var(--cp-font-mono);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--cp-jade);
  line-height: 1;
}

.page-faq .faq-detail__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  max-width: 34em;
}

.page-faq .faq-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  max-width: 36em;
}

.page-faq .faq-list li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cp-mist);
  border-top: 1px dashed rgba(51, 70, 92, 0.8);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--cp-coral);
}

/* ---------- 两档处理 ---------- */
.page-faq .faq-versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-faq .faq-version {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: var(--cp-ink-2);
  border: 1px solid var(--cp-line);
  outline: 1px solid rgba(51, 70, 92, 0.55);
  outline-offset: -7px;
  min-width: 0;
}

.page-faq .faq-version--new {
  border-top: 3px solid var(--cp-jade);
}

.page-faq .faq-version--old {
  border-top: 3px solid var(--cp-sand);
}

.page-faq .faq-version__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cp-steel);
}

.page-faq .faq-version__steps {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
}

.page-faq .faq-version__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid rgba(51, 70, 92, 0.7);
  align-items: start;
}

.page-faq .faq-version__n {
  font-family: var(--cp-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--cp-jade);
}

.page-faq .faq-version--old .faq-version__n {
  color: var(--cp-sand);
}

.page-faq .faq-version__steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cp-mist);
}

/* ---------- 设备兼容 ---------- */
.page-faq .faq-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-devices__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-device {
  padding: 18px 18px 20px;
  background: rgba(20, 41, 63, 0.6);
  border: 1px solid var(--cp-line);
  border-left: 2px solid var(--cp-jade);
  color: var(--cp-jade);
  min-width: 0;
}

.page-faq .faq-device__name {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cp-mist);
}

.page-faq .faq-device p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cp-steel);
}

.page-faq .faq-device__res {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cp-sand);
  border: 1px solid rgba(232, 196, 138, 0.5);
  padding: 3px 8px;
}

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

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

/* ---------- 更新时点 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-timeline li {
  position: relative;
  padding-top: 22px;
  border-top: 2px solid var(--cp-line);
  min-width: 0;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cp-jade);
}

.page-faq .faq-timeline li:nth-child(2)::before {
  background: var(--cp-coral);
}

.page-faq .faq-timeline li:nth-child(3)::before {
  background: var(--cp-sand);
}

.page-faq .faq-timeline__time {
  display: block;
  font-family: var(--cp-font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cp-sand);
}

.page-faq .faq-timeline__name {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 700;
}

.page-faq .faq-timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--cp-steel);
}

.page-faq .faq-note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--cp-coral);
  background: rgba(11, 27, 43, 0.6);
  font-size: 15px;
  line-height: 1.76;
  color: var(--cp-mist);
  max-width: 46em;
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa-group {
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-qa-group__title {
  margin: 0 0 6px;
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cp-sand);
  font-weight: 500;
}

.page-faq .faq-qa {
  border-left: 2px solid var(--cp-line);
  padding-left: 18px;
  margin-top: 12px;
  transition: border-color 0.3s var(--cp-ease);
}

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

.page-faq .faq-qa summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cp-mist);
}

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

.page-faq .faq-qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--cp-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cp-jade);
  flex: none;
}

.page-faq .faq-qa[open] summary::after {
  content: "−";
}

.page-faq .faq-qa summary:hover {
  color: var(--cp-jade);
}

.page-faq .faq-qa__code {
  font-family: var(--cp-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cp-steel);
  flex: none;
}

.page-faq .faq-qa__body {
  padding: 0 0 16px 0;
}

.page-faq .faq-qa__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cp-steel);
  max-width: 40em;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(22px, 3.5vw, 42px);
  background: var(--cp-paper);
  color: var(--cp-ink);
  border: 1px solid var(--cp-line);
  outline: 1px solid rgba(51, 70, 92, 0.35);
  outline-offset: 6px;
}

.page-faq .faq-contact .cp-eyebrow {
  color: var(--cp-jade-deep);
}

.page-faq .faq-contact .faq-h2 {
  color: var(--cp-ink);
  max-width: 16em;
}

.page-faq .faq-contact__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: #3B4C5E;
  max-width: 32em;
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-faq .faq-checklist li {
  padding: 12px 0;
  border-top: 1px dashed rgba(51, 70, 92, 0.4);
  font-size: 14px;
  line-height: 1.72;
  color: #3B4C5E;
}

.page-faq .faq-checklist__k {
  display: inline-block;
  margin-right: 10px;
  font-weight: 700;
  color: var(--cp-ink);
}

.page-faq .faq-contact__side {
  border-top: 2px solid var(--cp-ink);
  padding-top: 18px;
}

.page-faq .faq-contact__label {
  margin: 0;
  font-family: var(--cp-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #5C6C7C;
}

.page-faq .faq-contact__value {
  margin: 6px 0 16px;
  font-family: var(--cp-font-mono);
  font-size: clamp(17px, 2.6vw, 21px);
  letter-spacing: 0.02em;
  color: var(--cp-ink);
  word-break: break-all;
}

.page-faq .faq-contact__value--mail {
  font-size: clamp(14px, 2.2vw, 17px);
}

.page-faq .faq-contact__note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.72;
  color: #3B4C5E;
}

.page-faq .faq-contact__more {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #3B4C5E;
}

.page-faq .faq-contact__more a {
  color: var(--cp-jade-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }

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

@media (min-width: 760px) {
  .page-faq .faq-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-track__item + .faq-track__item .faq-track__link {
    border-left: 1px solid rgba(51, 70, 92, 0.6);
  }

  .page-faq .faq-detail__row {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .faq-hero__aside {
    margin-top: 34px;
  }

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

  .page-faq .faq-devices {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(28px, 4vw, 54px);
  }

  .page-faq .faq-contact__side {
    border-top: none;
    border-left: 2px solid var(--cp-ink);
    padding-top: 0;
    padding-left: 24px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    font-size: clamp(52px, 5.4vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-track__link,
  .page-faq .faq-qa {
    transition-duration: 0.01ms;
  }
}
<<<END>>>