.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-rail: 248px;
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(0, 229, 255, 0.1), transparent 62%),
    radial-gradient(760px 420px at 4% 22%, rgba(255, 46, 136, 0.07), transparent 66%);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-faq .crumbs__item a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .crumbs__item a:hover,
.page-faq .crumbs__item a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-faq .crumbs__item[aria-current="page"] {
  color: var(--ice);
}

.page-faq .crumbs__sep {
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 7.2vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--ice);
  text-wrap: balance;
}

.page-faq .faq-hero__title span {
  display: inline-block;
  color: var(--cyan);
  background: linear-gradient(transparent 76%, rgba(255, 46, 136, 0.42) 76%);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(0.95rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 24, 36, 0.72);
  color: var(--text);
  font-size: 0.83rem;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  border-color: var(--magenta);
  color: var(--ice);
  transform: translateY(-2px);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-cyan);
  background: var(--graphite);
}

.page-faq .faq-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 高频问题索引 ---------- */
.page-faq .faq-index {
  margin-top: clamp(8px, 2vw, 20px);
  padding: clamp(22px, 4vw, 34px) 0 clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: 20px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.2vw, 1.85rem);
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-faq .faq-index__note {
  margin: 0;
  font-size: 0.86rem;
  color: var(--silver);
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(30, 39, 53, 0.92), rgba(18, 24, 36, 0.96));
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-within {
  border-left-color: var(--magenta);
  box-shadow: 0 0 0 1px rgba(255, 46, 136, 0.25), 0 14px 30px -22px rgba(0, 229, 255, 0.6);
  transform: translateY(-3px);
}

.page-faq .faq-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-faq .faq-card__q {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ice);
}

.page-faq .faq-card__go {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  padding-bottom: 2px;
}

.page-faq .faq-card__go:hover,
.page-faq .faq-card__go:focus-visible {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* ---------- 主体：侧栏 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-faq .faq-side__inner {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-side__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-side__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--silver);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible,
.page-faq .faq-side__link[aria-current="true"] {
  background: rgba(0, 229, 255, 0.08);
  border-left-color: var(--cyan);
  color: var(--ice);
}

.page-faq .faq-side__link[aria-current="true"] .faq-side__num {
  color: var(--cyan);
}

.page-faq .faq-side__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .faq-main {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 92px;
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section__head {
  display: grid;
  gap: 8px;
}

.page-faq .faq-section__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--magenta);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-faq .faq-section__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .qa__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--graphite);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .qa__item[open] {
  border-color: var(--line-cyan);
  background:
    linear-gradient(180deg, rgba(0, 229, 255, 0.07), rgba(0, 229, 255, 0) 70%),
    var(--graphite);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ice);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa__item[open] .qa__q::after {
  content: "−";
  color: var(--magenta);
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .qa__item:focus-within {
  border-color: var(--line-cyan);
}

.page-faq .qa__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  padding-top: 14px;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
}

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

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

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

.page-faq .qa__aside {
  border-left: 2px solid var(--amber);
  background: rgba(255, 176, 32, 0.07);
  padding: 10px 12px;
  font-size: 0.86rem;
  color: var(--silver);
}

.page-faq .qa__aside span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

/* ---------- 下载与小屏图文 ---------- */
.page-faq .faq-download {
  display: grid;
  gap: var(--faq-gap);
  margin-top: 4px;
}

.page-faq .faq-download__media {
  order: -1;
  margin: 0;
  border: 1px solid var(--line-cyan);
  background: var(--teal);
  max-width: 320px;
}

.page-faq .faq-download__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 联系支持收束 ---------- */
.page-faq .faq-cta {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--line-rock);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(123, 97, 255, 0.14), rgba(0, 229, 255, 0.07) 60%, transparent);
  display: grid;
  gap: 14px;
}

.page-faq .faq-cta__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ice);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 22px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }

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

  .page-faq .faq-download {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-faq .faq-download__media {
    order: 0;
    max-width: none;
    margin-top: 18px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__link,
  .page-faq .faq-card {
    transition: none;
  }

  .page-faq .faq-quick__link:hover,
  .page-faq .faq-quick__link:focus-visible,
  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-within {
    transform: none;
  }
}
<<<END>>>