.page-faq {
  --faq-card: rgba(245, 247, 250, 0.06);
  --faq-card-open: rgba(245, 247, 250, 0.13);
  --faq-hair: rgba(245, 247, 250, 0.14);
  --faq-orange-soft: rgba(255, 106, 26, 0.45);
  --faq-orange-tint: rgba(255, 106, 26, 0.14);
  --faq-sticky: calc(var(--header-h) + 14px);

  display: block;
  color: var(--paper);
  background-color: var(--deep);
  background-image:
    radial-gradient(760px 420px at 8% -6%, rgba(36, 224, 176, 0.10), transparent 62%),
    radial-gradient(700px 460px at 96% 2%, rgba(255, 106, 26, 0.14), transparent 60%);
  background-repeat: no-repeat;
  padding-bottom: 80px;
  overflow-wrap: break-word;
}

.page-faq .breadcrumb {
  margin: 20px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  max-width: 42ch;
  color: rgba(245, 247, 250, 0.78);
}

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

/* ---------- 图片占位容器 ---------- */
.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--faq-card);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-shot__cap {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--gray);
  border-top: 1px solid rgba(245, 247, 250, 0.08);
}

.page-faq .faq-shot--hero {
  box-shadow: var(--shadow);
}

/* ---------- 分组跳转胶囊条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--faq-sticky);
  z-index: 5;
  display: flex;
  gap: 6px;
  margin: 34px 0 0;
  padding: 7px;
  overflow-x: auto;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: rgba(7, 11, 18, 0.74);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  scrollbar-width: none;
}

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

.page-faq .faq-jump a {
  flex: 0 0 auto;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  text-decoration: none;
  white-space: nowrap;
  transition: color 140ms var(--ease), background 140ms var(--ease), border-color 140ms var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--paper);
  border-color: var(--faq-hair);
  background: rgba(245, 247, 250, 0.08);
}

.page-faq .faq-jump a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: 62px;
  scroll-margin-top: calc(var(--header-h) + 92px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(245, 247, 250, 0.08);
}

.page-faq .faq-group__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-faq .faq-group__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__intro {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.7);
}

.page-faq .faq-group__intro a,
.page-faq .qa__a a {
  color: var(--orange-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 143, 67, 0.5);
}

.page-faq .faq-group__intro a:hover,
.page-faq .qa__a a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 12px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--faq-card);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--faq-orange-soft);
}

.page-faq .qa[open] {
  background: var(--faq-card-open);
  border-color: var(--faq-orange-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color 140ms var(--ease);
}

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

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

.page-faq .qa__q:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: var(--r-md);
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-faq .qa__text {
  flex: 1 1 auto;
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .qa__a {
  padding: 0 18px 20px;
}

/* ---------- 步骤列表 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .steps > li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.88);
}

.page-faq .steps__n {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 106, 26, 0.4);
  background: var(--faq-orange-tint);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .qa__note {
  margin: 16px 0 0;
  padding: 11px 14px;
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-sm);
  background: rgba(36, 224, 176, 0.08);
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(245, 247, 250, 0.84);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding-top: 72px;
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 26px 22px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  background:
    linear-gradient(120deg, rgba(255, 106, 26, 0.16), rgba(36, 224, 176, 0.08) 68%, transparent),
    rgba(245, 247, 250, 0.05);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.2vw, 27px);
  line-height: 1.32;
}

.page-faq .faq-cta__desc {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.76);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: center;
}

.page-faq .faq-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-links a {
  display: block;
  padding: 13px 16px;
  border: 1px solid rgba(245, 247, 250, 0.1);
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 247, 250, 0.84);
  text-decoration: none;
  transition: border-color 140ms var(--ease), color 140ms var(--ease), transform 140ms var(--ease);
}

.page-faq .faq-links a:hover {
  color: var(--paper);
  border-color: var(--faq-orange-soft);
  transform: translateY(-2px);
}

.page-faq .faq-links a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    padding: 32px 30px;
  }

  .page-faq .qa__q {
    padding: 20px 22px;
  }

  .page-faq .qa__a {
    padding: 0 22px 22px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 46px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
    gap: 34px;
  }

  .page-faq .qa[open] {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-faq .qa[open] .qa__q {
    padding-right: 10px;
  }

  .page-faq .qa[open] .qa__a {
    padding: 22px 22px 24px 26px;
    border-left: 1px solid rgba(245, 247, 250, 0.12);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero h1 {
    max-width: 20ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark,
  .page-faq .faq-jump a,
  .page-faq .faq-links a {
    transition: none;
  }

  .page-faq .faq-links a:hover {
    transform: none;
  }
}