.page-faq {
  display: block;
  background-color: var(--jb-night);
  color: var(--jb-mist);
  font-family: var(--jb-body);
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(56px, 9vw, 132px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 52px) 0 clamp(22px, 3.4vw, 40px);
  border-bottom: 1px solid var(--jb-hair);
}

.page-faq .faq-hero__title {
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  max-width: 22ch;
  color: var(--jb-paper);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(0.9688rem, 1.5vw, 1.0938rem);
  line-height: 1.78;
  color: var(--jb-dim);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 11px;
  border-left: 2px solid var(--jb-amber);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--jb-dim);
}

.page-faq .faq-hero__facts .jb-num {
  color: var(--jb-cyan);
  font-size: 0.875rem;
}

.page-faq .faq-hero__ticks {
  margin-top: 28px;
  height: 10px;
  opacity: 0.55;
  border-bottom: 1px solid var(--jb-hair);
  background-image: repeating-linear-gradient(
    to right,
    var(--jb-line) 0 1px,
    transparent 1px 26px
  );
}

/* ---------- 两栏轨道 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(30px, 4.6vw, 60px);
}

.page-faq .faq-rail {
  border: 2px solid var(--jb-hair);
  background-color: var(--jb-deep);
  box-shadow: var(--jb-shadow);
  padding: 16px 16px 18px;
}

.page-faq .faq-rail__figure {
  margin: 0 0 16px;
}

.page-faq .faq-rail__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-rail__label {
  font-family: var(--jb-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--jb-amber);
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--jb-hair);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-rail__list li + li {
  border-top: 1px solid var(--jb-hair-soft);
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 4px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--jb-mist);
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--jb-cyan);
  transform: translateX(4px);
  outline: none;
}

.page-faq .faq-rail__no {
  flex: 0 0 auto;
  font-size: 0.75rem;
  color: var(--jb-line);
}

.page-faq .faq-rail__list a:hover .faq-rail__no,
.page-faq .faq-rail__list a:focus-visible .faq-rail__no {
  color: var(--jb-amber);
}

/* ---------- 答案画布 ---------- */
.page-faq .faq-canvas {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5.6vw, 72px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 14px;
  padding-bottom: 13px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--jb-cyan);
}

.page-faq .faq-group__no {
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--jb-cyan);
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--jb-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.9375rem);
  line-height: 1.22;
  color: var(--jb-paper);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--jb-hair);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 4px;
  list-style: none;
  cursor: pointer;
  transition: color 0.18s ease;
}

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

.page-faq .faq-item__qt {
  margin: 0;
  font-family: var(--jb-body);
  font-weight: 600;
  font-size: clamp(0.9688rem, 1.6vw, 1.0625rem);
  line-height: 1.55;
  color: var(--jb-paper);
  transition: color 0.18s ease;
}

.page-faq .faq-item__q:hover .faq-item__qt,
.page-faq .faq-item__q:focus-visible .faq-item__qt {
  color: var(--jb-cyan);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--jb-cyan);
  outline-offset: 3px;
}

.page-faq .faq-item__sign {
  flex: 0 0 auto;
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1.5px solid var(--jb-line);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background-color: var(--jb-cyan);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-faq .faq-item__sign::before {
  left: 50%;
  top: 5px;
  bottom: 5px;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-item__sign::after {
  top: 50%;
  left: 5px;
  right: 5px;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--jb-cyan);
  background-color: rgba(0, 245, 212, 0.08);
}

.page-faq .faq-item[open] .faq-item__sign::before {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__qt {
  color: var(--jb-cyan);
}

.page-faq .faq-item__a {
  padding: 0 4px 20px;
  max-width: 68ch;
}

.page-faq .faq-item__a p {
  margin: 0 0 11px;
  font-size: 0.9688rem;
  line-height: 1.82;
  color: var(--jb-dim);
}

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

.page-faq .faq-item__a strong {
  color: var(--jb-amber);
  font-weight: 600;
}

.page-faq .faq-item__a a {
  color: var(--jb-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--jb-amber);
}

/* ---------- 联系信息小表 ---------- */
.page-faq .faq-contact {
  margin: 4px 0 14px;
  border-top: 1px solid var(--jb-hair-soft);
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--jb-hair-soft);
}

.page-faq .faq-contact__k {
  font-family: var(--jb-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--jb-line);
}

.page-faq .faq-contact__v {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--jb-paper);
  word-break: break-word;
}

/* ---------- 中段提示带 ---------- */
.page-faq .faq-banner {
  margin: clamp(40px, 6vw, 82px) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: clamp(20px, 3.2vw, 34px);
  border: 2px solid var(--jb-cyan);
  border-left-width: 8px;
  background-image: linear-gradient(
    118deg,
    rgba(0, 245, 212, 0.1),
    rgba(255, 183, 3, 0.07) 58%,
    rgba(5, 46, 36, 0) 100%
  );
  background-color: var(--jb-deep);
  box-shadow: var(--jb-shadow);
}

.page-faq .faq-banner__title {
  margin: 8px 0 0;
  font-family: var(--jb-head);
  font-weight: 700;
  font-size: clamp(1.25rem, 3.2vw, 1.9375rem);
  line-height: 1.22;
  color: var(--jb-paper);
}

.page-faq .faq-banner__desc {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--jb-dim);
}

.page-faq .faq-banner .jb-btn {
  justify-self: start;
}

/* ---------- 跨端图 ---------- */
.page-faq .faq-cross-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-faq .faq-cross-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 动效 ---------- */
@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq [data-reveal] {
    animation: faq-rise 0.55s cubic-bezier(0.22, 0.7, 0.3, 1) both;
  }

  .page-faq .faq-group:nth-of-type(2) [data-reveal],
  .page-faq .faq-canvas > [data-reveal]:nth-child(2) {
    animation-delay: 70ms;
  }

  .page-faq .faq-canvas > [data-reveal]:nth-child(3) {
    animation-delay: 140ms;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-contact__row {
    grid-template-columns: minmax(96px, 130px) minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-faq .faq-banner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-faq .faq-banner .jb-btn {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 288px) minmax(0, 1fr);
    gap: clamp(36px, 4.4vw, 68px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 22px;
    max-height: calc(100vh - 44px);
    overflow-y: auto;
  }

  .page-faq .faq-group__head {
    flex-wrap: nowrap;
  }
}
<<<END>>>