.page-faq {
  --faq-rail: 236px;
  --faq-ink-soft: rgba(207, 230, 223, 0.78);
  --faq-paper-text: #0C2A24;
  --faq-body-gap: clamp(38px, 6vw, 68px);
  display: block;
  background: var(--ink);
  color: var(--ice);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__inner {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(34, 245, 200, 0.11), transparent 56%),
    radial-gradient(90% 120% at 4% 100%, rgba(255, 106, 43, 0.09), transparent 60%),
    linear-gradient(160deg, rgba(11, 36, 32, 0.94), rgba(5, 9, 11, 0.78));
  padding: clamp(22px, 3.6vw, 44px) clamp(18px, 3.4vw, 40px);
  padding-left: clamp(30px, 5vw, 62px);
  overflow: hidden;
}

.page-faq .faq-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background-image: repeating-linear-gradient(to bottom, var(--cyan) 0 1px, transparent 1px 16px);
  opacity: 0.5;
}

.page-faq .faq-hero__inner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(34, 245, 200, 0) 46%);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0 0 26px;
  max-width: 660px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--ice);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-hero__stats li {
  background: rgba(5, 9, 11, 0.74);
  padding: 13px 15px;
}

.page-faq .faq-hero__stats b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-faq .faq-hero__stats span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--idx);
}

/* ---------- 通栏图 ---------- */
.page-faq .faq-banner-wrap {
  padding-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-banner {
  position: relative;
  margin: 0;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(1.05) contrast(1.03);
}

.page-faq .faq-banner figcaption {
  margin-top: 10px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--faq-body-gap);
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-toc {
  min-width: 0;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--idx);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 13px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--ice);
  text-decoration: none;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: var(--glass);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(34, 245, 200, 0.08);
  outline: none;
}

.page-faq .faq-toc__list a:focus-visible {
  box-shadow: 0 0 0 1px var(--cyan) inset;
}

.page-faq .faq-toc__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--idx);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 112px;
  min-width: 0;
}

.page-faq .faq-group__head {
  position: relative;
  padding-left: 56px;
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  position: absolute;
  left: 0;
  top: 2px;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid rgba(34, 245, 200, 0.4);
  background: rgba(34, 245, 200, 0.06);
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

/* ---------- 问题手风琴 ---------- */
.page-faq .faq-group__items {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 52, 45, 0.3), rgba(5, 9, 11, 0.12));
  transition: background-color 0.2s var(--ease);
}

.page-faq .qa[open] {
  background: linear-gradient(180deg, rgba(18, 52, 45, 0.55), rgba(5, 9, 11, 0.28));
}

.page-faq .qa__sum {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 17px clamp(14px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s var(--ease);
}

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

.page-faq .qa__sum::marker {
  content: "";
}

.page-faq .qa__sum:hover {
  background: rgba(34, 245, 200, 0.06);
}

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

.page-faq .qa__num {
  flex: 0 0 auto;
  min-width: 26px;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

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

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 1.5px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--orange);
}

.page-faq .qa__body {
  background: var(--paper);
  color: var(--faq-paper-text);
  padding: 18px clamp(16px, 3vw, 28px) 22px;
  border-left: 3px solid var(--orange);
  animation: faq-unfold 0.26s var(--ease);
}

.page-faq .qa__body::before {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin: 0 0 14px;
  background-image: repeating-linear-gradient(to right, var(--orange) 0 3px, transparent 3px 7px);
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 700px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-paper-text);
}

.page-faq .qa__body p + p {
  margin-top: 12px;
}

.page-faq .qa__body a {
  color: #0A6353;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.16s var(--ease);
}

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: #B8471A;
}

@keyframes faq-unfold {
  from {
    opacity: 0;
    transform: translateY(-7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 组内插图 ---------- */
.page-faq .faq-inline-fig {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-faq .faq-inline-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-inline-fig figcaption {
  margin-top: 10px;
}

/* ---------- 联系方式通道 ---------- */
.page-faq .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .channel__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--idx);
}

.page-faq .channel__val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-faq .channel__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

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

.page-faq .channel__desc a:hover,
.page-faq .channel__desc a:focus-visible {
  color: var(--orange);
}

.page-faq .faq-help__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--idx);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .channel {
    grid-template-columns: 104px minmax(0, 250px) minmax(0, 1fr);
    align-items: baseline;
    gap: 0 22px;
  }

  .page-faq .channel__tag {
    padding-top: 3px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

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

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-toc__list li {
    flex: 1 1 auto;
  }

  .page-faq .faq-toc__list a {
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(34, 245, 200, 0.07);
  }

  .page-faq .faq-group__head {
    padding-left: 66px;
  }

  .page-faq .qa__sum {
    padding: 19px 24px;
  }

  .page-faq .qa__body {
    padding: 22px 34px 26px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-banner img {
    aspect-ratio: 21 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body {
    animation: none;
  }

  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__sum,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>