.page-faq {
  --faq-gap: clamp(52px, 8vw, 100px);
  background: var(--grass-900);
  color: var(--paper);
  font-family: var(--font);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4.5vw, 52px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 106, 19, 0.22), transparent 56%),
    linear-gradient(166deg, var(--grass-800), var(--grass-900) 72%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__window {
  position: relative;
  margin-top: 26px;
  padding: clamp(24px, 4.4vw, 54px) clamp(20px, 4vw, 52px);
  border: 1px solid rgba(255, 106, 19, 0.42);
  background: rgba(255, 255, 255, 0.04);
}

.page-faq .faq-hero__window::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--orange) 0 1px, transparent 1px 24px);
  opacity: 0.65;
}

.page-faq .faq-hero__window::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 8px;
  background-image: repeating-linear-gradient(180deg, rgba(255, 106, 19, 0.7) 0 1px, transparent 1px 24px);
  opacity: 0.65;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: rgba(244, 241, 234, 0.7);
}

.page-faq .faq-hero__facts .mono {
  display: inline-block;
  margin-right: 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--neon);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump__link .mono {
  font-size: 11px;
  color: var(--orange);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--orange);
  color: var(--neon);
  background: rgba(255, 106, 19, 0.1);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding: var(--faq-gap) 0 calc(var(--faq-gap) * 0.8);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  border-left: 2px solid transparent;
  color: rgba(244, 241, 234, 0.72);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc__link .mono {
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--orange);
}

.page-faq .faq-toc__link[aria-current] {
  color: var(--neon);
  border-left-color: var(--orange);
  background: rgba(255, 106, 19, 0.08);
}

.page-faq .faq-toc__link[aria-current] .mono {
  color: var(--neon);
}

/* ---------- 章节画板 ---------- */
.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 7vw, 88px);
  min-width: 0;
}

.page-faq .faq-chapter {
  --q-ink: var(--paper);
  --q-body: rgba(244, 241, 234, 0.82);
  --q-muted: rgba(244, 241, 234, 0.55);
  --q-line: var(--line);
  --q-mark: var(--neon);
  scroll-margin-top: calc(var(--strip) + 28px);
  padding: clamp(26px, 4vw, 46px) clamp(18px, 3.2vw, 42px);
  color: var(--q-ink);
}

.page-faq .faq-chapter--paper {
  --q-ink: var(--ink);
  --q-body: rgba(11, 13, 12, 0.78);
  --q-muted: rgba(11, 13, 12, 0.52);
  --q-line: rgba(11, 13, 12, 0.14);
  --q-mark: var(--grass-700);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-chapter--glass {
  background: var(--glass);
  border: 1px solid var(--line);
}

.page-faq .faq-chapter--blue {
  background: linear-gradient(156deg, var(--blue-a), var(--blue-b));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-chapter--grass {
  background: linear-gradient(168deg, var(--grass-700), var(--grass-800));
  border: 1px solid var(--line);
}

.page-faq .faq-chapter--ask {
  background: linear-gradient(140deg, var(--blue-b), var(--blue-a) 62%);
  border: 1px solid rgba(255, 106, 19, 0.5);
}

.page-faq .faq-chapter .section-label {
  color: var(--orange);
}

.page-faq .faq-chapter--paper .section-label {
  color: var(--grass-700);
}

.page-faq .faq-chapter__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3vw, 33px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--q-ink);
  max-width: 24ch;
}

.page-faq .faq-chapter__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--q-body);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--q-line);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--q-line);
}

.page-faq .faq-item > details {
  grid-column: 1;
  min-width: 0;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 0 14px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--q-ink);
}

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

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

.page-faq .faq-item__mark {
  flex: none;
  padding-left: 6px;
  border-left: 3px solid var(--q-mark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--q-mark);
}

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

.page-faq .faq-item__a {
  padding: 0 0 22px 18px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--q-body);
}

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

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

.page-faq .faq-chapter--paper .faq-item__a a {
  color: var(--grass-700);
}

.page-faq .faq-item__a code {
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.12);
  font-family: var(--mono);
  font-size: 0.92em;
}

.page-faq .faq-chapter--paper .faq-item__a code {
  background: rgba(11, 13, 12, 0.08);
}

.page-faq .faq-item__note {
  display: none;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item details[open] .faq-item__a {
  animation: faq-open 340ms var(--ease) both;
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 36px) 0 0;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--q-line);
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--q-muted);
}

/* ---------- 结尾咨询 ---------- */
.page-faq .faq-ask__list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ask__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 241, 234, 0.86);
}

.page-faq .faq-ask__list li::before {
  content: "";
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-ask__actions .btn {
  text-decoration: none;
}

.page-faq .faq-ask__note {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(244, 241, 234, 0.7);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 22px;
  }

  .page-faq .faq-item__note {
    display: block;
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    padding-top: 22px;
    writing-mode: vertical-rl;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--q-muted);
  }

  .page-faq .faq-item__a {
    max-width: 66ch;
    padding-left: 26px;
  }

  .page-faq .faq-ask__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--strip) + 28px);
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item details[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-jump__link,
  .page-faq .faq-toc__link {
    transition: none;
  }
}
<<<END>>>