.page-faq {
  --faq-index-w: 232px;
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-line: rgba(43, 90, 73, 0.62);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq__top {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-faq .ng-crumbs {
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .ng-crumbs span[aria-current] {
  color: var(--sage-gray);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(18px, 3vw, 34px);
  padding: clamp(30px, 6vw, 68px) 0 clamp(24px, 5vw, 48px);
  overflow: hidden;
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(61, 255, 193, 0.13), transparent 62%),
    radial-gradient(90% 120% at 100% 100%, rgba(255, 155, 74, 0.09), transparent 58%),
    linear-gradient(180deg, rgba(10, 36, 28, 0.94), rgba(4, 20, 15, 0.62));
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(61, 255, 193, 0.07) 0 1px, transparent 1px 128px);
  opacity: 0.85;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 20px;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-faq .faq-hero__lead {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage-gray);
}

.page-faq .faq-hero__index {
  display: grid;
  gap: 0;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line);
  color: var(--sage-gray);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .faq-hero__index a:hover,
.page-faq .faq-hero__index a:focus-visible {
  color: var(--signal-mint);
  border-bottom-color: var(--signal-mint);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal-mint-deep);
}

/* ---------- 主体：窄索引 + 宽问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-index {
  padding: 18px 16px;
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: var(--glass-moss);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-faq .faq-index__head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sage-gray);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 8px;
  color: var(--chalk);
  font-size: 13.5px;
  text-decoration: none;
  transition: background var(--dur) ease, color var(--dur) ease;
}

.page-faq .faq-index__link span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal-mint-deep);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--mint-soft);
  color: var(--signal-mint);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--sage-gray);
}

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

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-mint);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-faq .faq-group__desc {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 60ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage-gray);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 10px;
}

.page-faq .faq-figure .ng-figure__frame {
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: 12px;
}

.page-faq .faq-figure .ng-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .ng-figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--sage-gray);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: 4px;
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--chalk);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 500;
  line-height: 1.55;
  transition: color var(--dur) ease;
}

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

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 2px;
  align-self: stretch;
  min-height: 20px;
  border-radius: 2px;
  background: transparent;
  transition: background var(--dur) ease;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--signal-mint-deep);
  transition: color var(--dur) ease;
}

.page-faq .faq-item summary:hover {
  color: var(--signal-mint);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--signal-mint);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .faq-item[open] summary {
  color: var(--signal-mint);
}

.page-faq .faq-item[open] summary::before {
  background: var(--signal-mint);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--signal-mint);
}

.page-faq .faq-answer {
  padding: 0 0 20px 22px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage-gray);
}

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

.page-faq .faq-answer p + p {
  margin-top: 10px;
}

.page-faq .faq-answer .ng-link {
  color: var(--signal-mint);
}

/* ---------- 底部通道 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--faq-line);
  background: linear-gradient(160deg, rgba(10, 36, 28, 0.96), rgba(4, 20, 15, 0.92));
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 26px;
  padding: clamp(30px, 6vw, 64px) 0;
}

.page-faq .faq-cta__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.2;
  color: var(--chalk);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 50ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sage-gray);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-cta__contact {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-cta__row dt {
  flex: 0 0 auto;
  min-width: 76px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--sage-gray);
}

.page-faq .faq-cta__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-hero__index a {
    padding: 14px 12px 14px 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 1200px) {
  .page-faq {
    --faq-index-w: 264px;
  }

  .page-faq .faq-answer {
    padding-left: 26px;
  }
}

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