.page-faq {
  position: relative;
  padding-bottom: 72px;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding: 22px 0 6px;
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .02em;
  color: var(--text-dim);
}
.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid);
}
.page-faq .crumbs a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .crumbs a:hover {
  color: var(--accent);
  border-bottom-color: rgba(47, 240, 208, .5);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 22px 0 52px;
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -160px;
  width: min(720px, 92vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 32% 32%, rgba(47, 240, 208, .17), rgba(47, 240, 208, 0) 62%),
    radial-gradient(circle at 70% 72%, rgba(255, 122, 47, .13), rgba(255, 122, 47, 0) 60%);
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--grid) 26%, rgba(30, 58, 95, 0) 76%);
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}
.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 6.4vw, var(--fs-6));
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .faq-hero .section-lead {
  max-width: 40em;
  margin: 0 0 24px;
  color: var(--text-dim);
  font-size: var(--fs-3);
  line-height: 1.78;
}
.page-faq .faq-jump {
  margin-bottom: 4px;
}
.page-faq .chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--grid);
  background: rgba(18, 42, 74, .55);
  color: var(--text-dim);
  font-size: var(--fs-2);
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-faq .chip:hover,
.page-faq .chip:focus-visible {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(47, 240, 208, .1);
  transform: translateY(-1px);
}

/* 首屏图 */
.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--grid);
  background: linear-gradient(155deg, var(--deep), var(--void));
  overflow: hidden;
}
.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(122deg, rgba(47, 240, 208, .14) 0%, rgba(47, 240, 208, 0) 42%);
  pointer-events: none;
}
.page-faq .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}
.page-faq .media__caption {
  display: block;
  padding: 10px 16px;
  border-top: 1px solid var(--grid);
  background: rgba(5, 11, 26, .68);
  color: var(--text-dim);
  font-size: var(--fs-1);
  font-family: var(--font-mono);
  letter-spacing: .02em;
  line-height: 1.6;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  position: relative;
  padding-top: 8px;
}

.page-faq .faq-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 34px 0 30px;
  border-top: 1px solid var(--grid);
}
.page-faq .faq-group:first-of-type {
  border-top: 0;
  padding-top: 26px;
}
.page-faq .faq-group__marker {
  display: flex;
  align-items: center;
}
.page-faq .faq-group__marker span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  border: 1px solid var(--grid);
  background: linear-gradient(160deg, var(--track), var(--deep));
  color: var(--amber);
  font-size: var(--fs-2);
  letter-spacing: .06em;
}
.page-faq .faq-group__main {
  min-width: 0;
}
.page-faq .faq-group .section-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.6vw, var(--fs-5));
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
}
.page-faq .faq-group__hint {
  margin: 0 0 22px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--text-dim);
}
.page-faq .faq-group__list {
  display: grid;
  gap: 12px;
}

/* ---------- 可展开问答 ---------- */
.page-faq .faq-q {
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(10, 23, 48, .92), rgba(5, 11, 26, .92));
  transition: border-color var(--dur) var(--ease);
}
.page-faq .faq-q:hover {
  border-color: rgba(47, 240, 208, .42);
}
.page-faq .faq-q[open] {
  border-color: rgba(47, 240, 208, .68);
  background: linear-gradient(180deg, rgba(18, 42, 74, .94), rgba(5, 11, 26, .94));
}
.page-faq .faq-q__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: var(--fs-3);
  font-weight: 600;
  line-height: 1.55;
}
.page-faq .faq-q__sum::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q__sum:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-radius: var(--r-md);
}
.page-faq .fold__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .02em;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease);
}
.page-faq .faq-q[open] .fold__idx {
  color: var(--accent);
}
.page-faq .faq-q__text {
  min-width: 0;
}
.page-faq .faq-q__mark {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: var(--r-pill);
  border: 1px solid var(--grid);
  flex: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-q__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translate(-58%, -58%) rotate(-45deg);
}
.page-faq .faq-q[open] .faq-q__mark {
  transform: rotate(90deg);
  border-color: var(--accent);
}
.page-faq .faq-q__body {
  margin: 0 16px 0 16px;
  padding: 4px 2px 18px 16px;
  border-left: 1px solid rgba(47, 240, 208, .55);
  color: var(--text-dim);
  font-size: var(--fs-3);
  line-height: 1.78;
}
.page-faq .faq-q[open] .faq-q__body {
  animation: faq-rise .3s var(--ease) both;
}
.page-faq .faq-q__body p {
  margin: 0 0 10px;
  max-width: 46em;
}
.page-faq .faq-q__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-q__body a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 246, 228, .38);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-q__body a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
@keyframes faq-rise {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 终端区块配图 */
.page-faq .faq-term-media {
  position: relative;
  margin: 22px 0 0;
  border-radius: var(--r-md);
  border: 1px solid var(--grid);
  background: linear-gradient(150deg, var(--deep), var(--void));
  overflow: hidden;
}

/* ---------- 收尾三入口 ---------- */
.page-faq .faq-more {
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--grid);
}
.page-faq .faq-more .section-title {
  margin: 10px 0 22px;
  font-size: clamp(20px, 3.2vw, var(--fs-4));
  font-weight: 800;
  color: var(--text);
}
.page-faq .faq-more__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-faq .faq-more__card {
  display: block;
  position: relative;
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--grid);
  background: linear-gradient(140deg, rgba(18, 42, 74, .9), rgba(5, 11, 26, .9));
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-faq .faq-more__card::after {
  content: "";
  position: absolute;
  left: -30%;
  top: -60%;
  width: 60%;
  height: 220%;
  background: linear-gradient(100deg, rgba(47, 240, 208, 0) 0%, rgba(47, 240, 208, .16) 52%, rgba(47, 240, 208, 0) 100%);
  transform: translateX(-120%) rotate(8deg);
  transition: transform .5s var(--ease);
  pointer-events: none;
}
.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.page-faq .faq-more__card:hover::after,
.page-faq .faq-more__card:focus-visible::after {
  transform: translateX(360%) rotate(8deg);
}
.page-faq .faq-more__num {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: var(--fs-1);
  letter-spacing: .06em;
}
.page-faq .faq-more__title {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-4);
  font-weight: 800;
  line-height: 1.35;
}
.page-faq .faq-more__desc {
  display: block;
  color: var(--text-dim);
  font-size: var(--fs-2);
  line-height: 1.72;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 30px 0 64px;
  }
  .page-faq .faq-group {
    padding: 40px 0 34px;
  }
  .page-faq .faq-q__sum {
    padding: 18px 22px;
    gap: 16px;
  }
  .page-faq .faq-q__body {
    margin: 0 22px 0 22px;
    padding: 4px 4px 20px 20px;
  }
  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-faq .faq-term-media {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 52px;
  }
  .page-faq .faq-group {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 30px;
    padding: 46px 0 38px;
  }
  .page-faq .faq-group__marker {
    align-items: flex-start;
    padding-top: 4px;
  }
  .page-faq .faq-group__marker span {
    position: sticky;
    top: 104px;
  }
  .page-faq .faq-hero h1 {
    max-width: 15em;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__inner {
    gap: 68px;
  }
  .page-faq .faq-group {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .chip,
  .page-faq .faq-q,
  .page-faq .faq-q__mark,
  .page-faq .faq-more__card,
  .page-faq .faq-more__card::after {
    transition: none;
  }
  .page-faq .faq-q[open] .faq-q__body {
    animation: none;
  }
}
<<<END>>>