.page-faq {
  padding-bottom: 104px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 42px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--cyan) 58%, rgba(77, 216, 255, 0));
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  max-width: 22ch;
  font-size: clamp(28px, 5.2vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero h1 em {
  font-style: normal;
  color: var(--neon);
}

.page-faq .faq-hero-lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: #c3d2e8;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px 30px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-facts li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-faq .faq-facts .num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-facts li:nth-child(2) .num {
  color: var(--neon);
}

.page-faq .faq-facts li:nth-child(3) .num {
  color: var(--flare);
}

.page-faq .faq-facts li:nth-child(4) .num {
  color: var(--text);
}

.page-faq .faq-facts li > span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 36px;
  margin-top: 40px;
}

.page-faq .faq-toc,
.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 侧边目录 ---------- */
.page-faq .faq-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.page-faq .faq-toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-faq .faq-toc a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  margin-left: -1px;
  padding: 9px 14px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

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

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--text);
  border-left-color: var(--neon);
  background: rgba(57, 255, 136, 0.06);
}

.page-faq .faq-toc a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .faq-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-backtop:hover,
.page-faq .faq-backtop:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 116px;
}

.page-faq .faq-group-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--cyan));
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(19px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.2;
}

.page-faq .faq-group-desc {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  max-width: 560px;
  margin: 26px 0 8px;
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 20px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  transition: color 0.18s ease;
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--neon);
}

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

.page-faq .faq-q-num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-faq .faq-mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

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

.page-faq .faq-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 1.6px;
}

.page-faq .faq-mark::after {
  left: 7px;
  top: 0;
  width: 1.6px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: scaleY(0);
}

.page-faq .faq-item[open] .faq-mark::before {
  background: var(--neon);
}

.page-faq .faq-answer {
  max-width: 68ch;
  padding: 0 2px 24px 50px;
  font-size: 15px;
  line-height: 1.78;
  color: #c3d2e8;
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
}

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

.page-faq .faq-path {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(77, 216, 255, 0.08);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  vertical-align: middle;
}

/* ---------- 分隔条 ---------- */
.page-faq .faq-rule {
  display: block;
  height: 1px;
  margin: 60px 0;
  border: 0;
  background: linear-gradient(90deg, var(--neon), rgba(57, 255, 136, 0.1) 26%, rgba(30, 58, 92, 0) 72%);
  opacity: 0.6;
}

/* ---------- 联系分组强调底 ---------- */
.page-faq .faq-group--support {
  padding: 26px 20px 4px;
  border: 1px solid rgba(201, 162, 75, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(58, 14, 30, 0.55), rgba(58, 14, 30, 0.12));
}

.page-faq .faq-group--support .faq-item:last-child {
  border-bottom: 0;
}

/* ---------- 收尾入口 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: 72px;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(27, 20, 64, 0.88), rgba(14, 42, 58, 0.55));
  box-shadow: var(--shadow-1);
}

.page-faq .faq-cta h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .faq-cta p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: #c3d2e8;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 639px) {
  .page-faq .faq-hero {
    padding: 20px 0 34px;
  }

  .page-faq .faq-item > summary {
    grid-template-columns: 28px minmax(0, 1fr) 14px;
    gap: 8px;
    font-size: 15px;
  }

  .page-faq .faq-answer {
    padding-left: 36px;
  }

  .page-faq .faq-rule {
    margin: 44px 0;
  }

  .page-faq .faq-group--support {
    padding: 22px 14px 4px;
  }

  .page-faq .faq-cta {
    padding: 24px 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding: 40px 0 52px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    margin-top: 52px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-faq .faq-group--support {
    padding: 30px 28px 6px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 36px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc a,
  .page-faq .faq-backtop,
  .page-faq .faq-item > summary,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after {
    transition: none;
  }
}
<<<END>>>