.page-faq {
  --faq-panel: #0E2130;
  --faq-edge: #1C3A50;
  --faq-soft: rgba(0, 229, 255, .055);
  --faq-gap: clamp(22px, 3.6vw, 44px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(36px, 6.4vw, 88px) 0 clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero::before,
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.page-faq .faq-hero::before {
  top: -26%;
  left: -14%;
  width: min(580px, 72vw);
  height: 340px;
  background: radial-gradient(58% 58% at 42% 42%, rgba(0, 229, 255, .24), rgba(0, 229, 255, 0) 72%);
}

.page-faq .faq-hero::after {
  right: -20%;
  bottom: -46%;
  width: min(540px, 66vw);
  height: 320px;
  background: radial-gradient(58% 58% at 50% 50%, rgba(255, 107, 53, .18), rgba(255, 107, 53, 0) 74%);
}

.page-faq .faq-hero__in {
  position: relative;
  max-width: 74ch;
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--narrow);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 60px);
  line-height: 1.1;
  letter-spacing: .005em;
  color: var(--ink);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--cyan);
  padding-bottom: 2px;
  border-bottom: 3px solid rgba(255, 107, 53, .85);
}

.page-faq .faq-hero__lede {
  margin: 0;
  font-size: clamp(14.5px, 1.55vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .07em;
  color: var(--cyan);
}

.page-faq .faq-hero__meta li {
  position: relative;
  padding-left: 15px;
}

.page-faq .faq-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 2px;
  background: var(--orange);
  transform: translateY(-50%);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(14, 33, 48, .82), rgba(11, 5, 24, .82));
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: rgba(0, 229, 255, .8);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 0 9px 14px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  transition: color .22s var(--ease), border-color .22s var(--ease), padding-left .22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan);
  padding-left: 18px;
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(255, 107, 53, .9);
}

.page-faq .faq-index__cta {
  align-self: stretch;
  text-align: center;
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 96px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(40px, 5.4vw, 72px);
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  row-gap: 4px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__idx {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--narrow);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .faq-block__note {
  grid-column: 2;
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 图片框 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0 0 22px;
  border: 1px solid var(--faq-edge);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--deep);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 2 / 1;
}

.page-faq .faq-figure__cap {
  padding: 11px 16px;
  border-top: 1px solid var(--faq-edge);
  background: rgba(11, 5, 24, .8);
  font-size: 12.5px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-item {
  border: 1px solid var(--faq-edge);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(18, 42, 58, .7), rgba(11, 5, 24, .7));
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 229, 255, .42);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 229, 255, .62);
  background: linear-gradient(180deg, rgba(18, 42, 58, .94), rgba(11, 5, 24, .88));
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: clamp(14.5px, 1.5vw, 16px);
  font-weight: 600;
  line-height: 1.65;
}

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

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

.page-faq .faq-item__num {
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(0, 229, 255, .78);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--faq-edge);
  border-radius: 50%;
  transition: border-color .26s var(--ease), background .26s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1.6px;
  background: var(--muted);
  transform: translateY(-50%);
  transition: background .26s var(--ease), opacity .26s var(--ease);
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .12);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  margin: 0 16px 18px;
  padding: 13px 16px;
  border-left: 2px solid rgba(0, 229, 255, .62);
  border-radius: 2px var(--r-xs) var(--r-xs) 2px;
  background: var(--faq-soft);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .45);
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--orange);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: clamp(22px, 3.2vw, 38px);
  border: 1px solid var(--faq-edge);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-md);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(124, 77, 255, .18), rgba(124, 77, 255, 0) 58%),
    linear-gradient(180deg, rgba(14, 33, 48, .9), rgba(11, 5, 24, .9));
}

.page-faq .faq-cta__title {
  margin: 10px 0 10px;
  font-family: var(--narrow);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.28;
  color: var(--ink);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-item__q {
    padding: 17px 20px;
    gap: 16px;
  }

  .page-faq .faq-item__a {
    margin: 0 20px 20px;
    padding: 15px 20px;
  }

  .page-faq .faq-block__note {
    font-size: 13.5px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(206px, 262px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 62px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-figure {
    margin-bottom: 26px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: 32px;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}
<<<END>>>