.page-faq {
  --faq-acc: var(--gold);
  --faq-acc-green: var(--green);
  --faq-acc-gold: var(--gold);
  --faq-acc-orange: var(--orange);
  --faq-acc-blue: #5AA9FF;
  --faq-acc-purple: #B98CFF;
  --faq-acc-cyan: #6EE7F0;
  --faq-sticky: calc(var(--header-h) + 8px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(20px, 3.5vw, 40px) clamp(24px, 4vw, 52px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  right: -12%;
  width: min(720px, 92vw);
  height: min(720px, 92vw);
  background: radial-gradient(circle at 50% 50%, rgba(18, 229, 160, .17), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-hero__fact {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-mute);
}

.page-faq .faq-hero__media {
  margin: 0;
  min-width: 0;
}

/* ---------- 分类跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--faq-sticky);
  z-index: 6;
  border-block: 1px solid var(--line);
  background: rgba(4, 11, 22, .93);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.page-faq .faq-jump__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-jump__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--text);
  border-color: var(--chip-acc, var(--gold));
  background: rgba(255, 255, 255, .05);
}

.page-faq .faq-chip--green { --chip-acc: var(--faq-acc-green); }
.page-faq .faq-chip--gold { --chip-acc: var(--faq-acc-gold); }
.page-faq .faq-chip--orange { --chip-acc: var(--faq-acc-orange); }
.page-faq .faq-chip--purple { --chip-acc: var(--faq-acc-purple); }
.page-faq .faq-chip--blue { --chip-acc: var(--faq-acc-blue); }
.page-faq .faq-chip--cyan { --chip-acc: var(--faq-acc-cyan); }

/* ---------- 主体栅格 ---------- */
.page-faq .faq-body {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

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

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

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 4.5vw, 54px);
  scroll-margin-top: calc(var(--faq-sticky) + 96px);
}

.page-faq .faq-group--green { --faq-acc: var(--faq-acc-green); }
.page-faq .faq-group--gold { --faq-acc: var(--faq-acc-gold); }
.page-faq .faq-group--orange { --faq-acc: var(--faq-acc-orange); }
.page-faq .faq-group--purple { --faq-acc: var(--faq-acc-purple); }
.page-faq .faq-group--blue { --faq-acc: var(--faq-acc-blue); }
.page-faq .faq-group--cyan { --faq-acc: var(--faq-acc-cyan); }

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 2px;
  border-bottom: 2px solid var(--faq-acc);
}

.page-faq .faq-group__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--faq-acc);
  box-shadow: 0 0 18px var(--faq-acc);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 25px);
  letter-spacing: .01em;
  color: var(--text);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-mute);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 17px 4px 17px 0;
  list-style: none;
  cursor: pointer;
  transition: color .2s ease;
}

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

.page-faq .qa__q:hover .qa__text,
.page-faq .qa__q:focus-visible .qa__text {
  color: var(--faq-acc);
}

.page-faq .qa__idx {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--faq-acc);
  opacity: .85;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.55vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
  transition: color .2s ease;
}

.page-faq .qa__chev {
  flex: none;
  align-self: center;
  width: 9px;
  height: 9px;
  margin-left: 8px;
  border-right: 2px solid var(--faq-acc);
  border-bottom: 2px solid var(--faq-acc);
  transform: rotate(45deg);
  transition: transform .28s cubic-bezier(.4, 0, .2, 1);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(-135deg);
}

.page-faq .qa__a {
  padding: 0 0 20px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-faq .qa__a a {
  color: var(--gold-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 196, 85, .45);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--gold-2);
}

.page-faq .faq-push__media {
  margin: 22px 0 0;
  min-width: 0;
}

/* ---------- 侧边目录 ---------- */
.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-faq .faq-side__toc .toc-link {
  display: block;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-mute);
  text-decoration: none;
  transition: color .2s ease;
}

.page-faq .faq-side__toc .toc-link:hover,
.page-faq .faq-side__toc .toc-link[aria-current="location"] {
  color: var(--gold);
}

/* ---------- 底部求助 ---------- */
.page-faq .faq-help {
  padding-top: clamp(8px, 2vw, 20px);
}

.page-faq .faq-help__box {
  position: relative;
  padding: clamp(24px, 4vw, 44px);
  overflow: hidden;
}

.page-faq .faq-help__box::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -70%;
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  background: radial-gradient(circle, rgba(242, 196, 85, .16), transparent 65%);
  pointer-events: none;
}

.page-faq .faq-help__title {
  position: relative;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-help__text {
  position: relative;
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-help__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__a {
    padding-left: clamp(28px, 5vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-faq .qa__a {
    padding-left: clamp(56px, 8vw, 104px);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-side {
    display: block;
    position: sticky;
    top: calc(var(--faq-sticky) + 72px);
    align-self: start;
  }

  .page-faq .qa__q {
    padding-block: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__chev,
  .page-faq .qa__text,
  .page-faq .faq-chip {
    transition: none;
  }
}
<<<END>>>