.page-faq {
  --faq-line: rgba(201, 255, 61, .18);
  --faq-soft-line: rgba(201, 255, 61, .1);
  --faq-rail-w: 264px;
  --faq-card-line: rgba(6, 18, 14, .14);
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background:
    radial-gradient(110% 85% at 8% -12%, rgba(201, 255, 61, .17), transparent 58%),
    radial-gradient(85% 95% at 100% 0%, rgba(47, 125, 80, .55), transparent 62%),
    linear-gradient(180deg, #0C241A 0%, #06120E 100%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 255, 61, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 255, 61, .07) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .92), transparent 90%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .92), transparent 90%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.page-faq .faq-hero__eyebrow {
  margin-top: clamp(20px, 4vw, 36px);
  color: var(--neon);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(33px, 6.6vw, 74px);
  line-height: 1;
  letter-spacing: -.005em;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-hero__stat {
  background: rgba(6, 18, 14, .74);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-faq .faq-hero__stat b {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--neon);
}

.page-faq .faq-hero__stat span {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  opacity: .78;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

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

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

.page-faq .faq-rail__panel {
  background: var(--ink-2);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  padding: 16px 14px;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  padding-left: 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .toc {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .toc__link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: block;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--faq-soft-line);
  border-radius: 999px;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-faq .toc__link:hover,
.page-faq .toc__link:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
  background: rgba(201, 255, 61, .08);
  outline: none;
}

.page-faq .toc__link[aria-current="location"] {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
  font-weight: 700;
}

.page-faq .faq-rail__cta {
  margin: 16px 0 0;
  padding: 14px 14px 15px;
  border: 1px dashed rgba(201, 255, 61, .3);
  border-radius: var(--r);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

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

/* ---------- 问答区块 ---------- */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(44px, 6vw, 74px);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-section__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--neon);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.06;
  letter-spacing: .005em;
  color: var(--cream);
}

.page-faq .faq-section__lede {
  margin: 15px 0 20px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: .86;
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .img-frame {
  margin: 0 0 22px;
}

.page-faq .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r);
}

.page-faq .img-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  opacity: .7;
}

/* ---------- 问答卡 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-card {
  background: var(--cream);
  color: var(--ink-text);
  border: 1px solid var(--faq-card-line);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-card:nth-child(even) {
  background: var(--paper);
}

.page-faq .faq-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .3);
}

.page-faq .faq-card__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16.5px, 2.1vw, 21px);
  line-height: 1.32;
  color: var(--ink);
  transition: background .16s var(--ease);
}

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

.page-faq .faq-card__q:hover {
  background: rgba(201, 255, 61, .18);
}

.page-faq .faq-card__q:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -3px;
}

.page-faq .faq-card__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--turf-2);
  transition: color .18s var(--ease);
}

.page-faq .faq-card[open] .faq-card__q::after {
  content: "\2013";
  color: var(--orange);
}

.page-faq .faq-card__a {
  margin: 0 18px 18px;
  padding-top: 13px;
  border-top: 1px dashed rgba(6, 18, 14, .2);
  font-size: 15px;
  line-height: 1.75;
  color: #23302A;
}

.page-faq .faq-card__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-card__a a {
  color: var(--turf);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-card__a a:hover {
  color: var(--red);
}

/* ---------- 对比步骤 ---------- */
.page-faq .faq-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin: 6px 0 26px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 20px;
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 30px;
  bottom: -2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(47, 125, 80, .9), rgba(47, 125, 80, 0));
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps li:last-child::before {
  display: none;
}

.page-faq .faq-steps__n {
  position: relative;
  z-index: 1;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--turf);
  border: 1px solid rgba(201, 255, 61, .34);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon);
}

.page-faq .faq-steps__t strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-steps__t span {
  display: block;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
  opacity: .84;
}

.page-faq .faq-compare__fig {
  margin: 0;
  border: 1px solid var(--faq-soft-line);
  border-radius: var(--r);
  padding: 10px;
  background: rgba(12, 36, 26, .6);
}

.page-faq .faq-compare__fig .img-frame__caption {
  margin: 10px 2px 2px;
}

/* ---------- 尾部去向 ---------- */
.page-faq .faq-next {
  margin-top: clamp(44px, 6vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-next__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  color: var(--mist);
  text-decoration: none;
  transition: background .18s var(--ease);
}

.page-faq .faq-next__cell:hover,
.page-faq .faq-next__cell:focus-visible {
  background: var(--turf);
  outline: none;
}

.page-faq .faq-next__cell i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--neon);
}

.page-faq .faq-next__cell b {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-next__cell span {
  font-size: 13.5px;
  line-height: 1.65;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
    gap: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-rail__panel {
    padding: 18px 16px 20px;
    background: rgba(12, 36, 26, .86);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
  }

  .page-faq .toc {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    scroll-snap-type: none;
  }

  .page-faq .toc__link {
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    white-space: normal;
    font-size: 12.5px;
    line-height: 1.45;
  }

  .page-faq .toc__link:hover,
  .page-faq .toc__link:focus-visible {
    background: rgba(201, 255, 61, .1);
    border-left-color: var(--neon);
  }

  .page-faq .toc__link[aria-current="location"] {
    background: rgba(201, 255, 61, .14);
    border-left-color: var(--neon);
    color: var(--neon);
    font-weight: 700;
  }

  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }
}
<<<END>>>