.page-faq {
  --faq-accent-soft: rgba(34, 245, 227, .08);
  --faq-edge: 1px solid rgba(28, 51, 80, .95);
  --faq-edge-soft: 1px solid rgba(145, 167, 196, .18);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) 0 clamp(24px, 4vw, 44px);
  border-bottom: var(--faq-edge);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(28, 51, 80, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 51, 80, .55) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 123, 255, .18), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
  transform: skewX(-2deg);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--steel);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-versions {
  align-self: end;
  padding: 18px;
  border: var(--faq-edge);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(13, 23, 40, .96), rgba(7, 10, 18, .92));
}

.page-faq .faq-versions__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--white);
}

.page-faq .faq-versions__title .mono {
  color: var(--cyan);
}

.page-faq .faq-versions__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-versions__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-versions__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 14px;
  border: var(--faq-edge-soft);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--steel);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-faq .faq-versions__row:hover,
.page-faq .faq-versions__row:focus-visible {
  color: var(--white);
  border-color: rgba(34, 245, 227, .45);
  background: var(--faq-accent-soft);
}

.page-faq .faq-versions__row.is-current {
  border-color: transparent;
  background: var(--reverse);
  color: var(--void);
  font-weight: 600;
}

.page-faq .faq-versions__row.is-current .mono {
  color: var(--void);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  color: var(--steel);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: var(--faq-edge-soft);
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  color: var(--steel);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-faq .faq-rail__list a .mono {
  color: var(--cyan);
  font-size: 12px;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--white);
  border-color: rgba(34, 245, 227, .45);
  background: var(--faq-accent-soft);
}

.page-faq .faq-block {
  --faq-block-accent: var(--cyan);
  position: relative;
  margin-bottom: clamp(16px, 2.6vw, 26px);
  padding: clamp(18px, 3vw, 30px);
  border: var(--faq-edge);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(13, 23, 40, .92), rgba(7, 10, 18, .94));
  scroll-margin-top: 96px;
}

.page-faq .faq-block:last-child {
  margin-bottom: 0;
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(18px, 3vw, 30px);
  width: 54px;
  height: 2px;
  background: var(--faq-block-accent);
}

.page-faq .faq-block--violet { --faq-block-accent: var(--violet); }
.page-faq .faq-block--orange { --faq-block-accent: var(--orange); }
.page-faq .faq-block--lime { --faq-block-accent: var(--lime); }
.page-faq .faq-block--steel { --faq-block-accent: var(--steel); }

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 18px);
}

.page-faq .faq-block__num {
  flex: none;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: .95;
  color: var(--faq-block-accent);
  letter-spacing: -.02em;
}

.page-faq .faq-block__intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-faq .faq-block__intro p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-figure {
  margin: clamp(16px, 2.6vw, 24px) 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--faq-edge);
  border-radius: var(--radius-md);
  background: var(--blueprint);
  object-fit: cover;
}

.page-faq .faq-figure__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--faq-edge-soft);
  border-left: 3px solid rgba(28, 51, 80, .95);
  border-radius: var(--radius-md);
  background: rgba(7, 10, 18, .55);
  overflow: hidden;
  transition: border-color .18s ease, background .18s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-block-accent);
  background: rgba(13, 23, 40, .92);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--faq-block-accent);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
}

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

.page-faq .faq-item__body {
  padding: 0 16px 15px;
}

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

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--white);
}

.page-faq .faq-links {
  display: grid;
  gap: 12px;
}

.page-faq .faq-link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: var(--faq-edge);
  border-radius: var(--radius-md);
  background: rgba(7, 10, 18, .6);
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  border-color: rgba(34, 245, 227, .5);
  background: rgba(34, 245, 227, .07);
  transform: translateY(-2px);
}

.page-faq .faq-link__tag {
  font-size: 12px;
  color: var(--violet);
  letter-spacing: .12em;
}

.page-faq .faq-link__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-link__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}

.page-faq .faq-contact {
  margin-top: clamp(16px, 2.6vw, 22px);
  padding: clamp(16px, 2.4vw, 20px);
  border: 1px solid rgba(34, 245, 227, .28);
  border-radius: var(--radius-md);
  background: rgba(34, 245, 227, .06);
}

.page-faq .faq-contact h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-contact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

.page-faq .faq-contact__label {
  flex: none;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
}

@media (min-width: 640px) {
  .page-faq .faq-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-faq .faq-body {
    grid-template-columns: 258px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-rail__list a {
    border-radius: 12px;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-link {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-link,
  .page-faq .faq-item,
  .page-faq .faq-versions__row,
  .page-faq .faq-rail__list a {
    transition: none;
  }

  .page-faq .faq-link:hover {
    transform: none;
  }
}

已在上方输出，此处不再重复。