.page-faq {
  --faq-card: rgba(22, 22, 31, 0.72);
  --faq-card-strong: rgba(24, 24, 36, 0.94);
  --faq-dash: rgba(138, 43, 226, 0.45);
  position: relative;
  overflow-x: clip;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 52px;
}

.page-faq .faq-hero__glow {
  position: absolute;
  top: -180px;
  right: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.34), rgba(138, 43, 226, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  align-items: center;
  gap: 32px 40px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  max-width: 58ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 229, 255, 0.2);
  box-shadow: 0 18px 44px rgba(5, 5, 12, 0.62);
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 问题类型索引 ---------- */
.page-faq .faq-index {
  padding: 12px 0 8px;
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  margin-bottom: 22px;
}

.page-faq .faq-index__head h2 {
  margin: 0;
  font-size: 26px;
}

.page-faq .faq-index__headnote {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .faq-index__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-index__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(22, 22, 31, 0.94), rgba(10, 10, 18, 0.88));
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-index__card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  opacity: 0.4;
  transition: opacity 0.18s ease;
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.55);
  box-shadow: 0 12px 30px rgba(0, 229, 255, 0.14);
}

.page-faq .faq-index__card:hover::after,
.page-faq .faq-index__card:focus-visible::after {
  opacity: 1;
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-index__title {
  display: block;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-faq .faq-index__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .faq-index__count {
  display: block;
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--magenta);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  padding: 44px 0 16px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 52px;
  padding-top: 52px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 18px;
  align-items: start;
  margin-bottom: 24px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(0, 229, 255, 0.42);
}

.page-faq .faq-group__titles {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-faq .faq-group__badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--pill);
  border: 1px solid rgba(0, 229, 255, 0.35);
  background: rgba(0, 229, 255, 0.07);
  color: var(--cyan);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .accordion-item {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--faq-card);
  overflow: hidden;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .accordion-item[data-open="true"] {
  border-color: rgba(138, 43, 226, 0.55);
  background: var(--faq-card-strong);
  box-shadow: 0 10px 28px rgba(5, 5, 12, 0.6);
}

.page-faq .accordion-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px;
  border: 0;
  background: transparent;
  color: var(--ice);
  font-family: inherit;
  font-size: 15.5px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .accordion-index {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .accordion-title {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 600;
}

.page-faq .accordion-icon {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.42);
  transition: border-color 0.18s ease;
}

.page-faq .accordion-icon::before,
.page-faq .accordion-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 1.5px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .accordion-item[data-open="true"] .accordion-icon {
  border-color: rgba(255, 45, 155, 0.7);
}

.page-faq .accordion-item[data-open="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.page-faq .accordion-body {
  padding: 0 16px 20px 16px;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
}

.page-faq .accordion-body p {
  margin: 0;
}

.page-faq .accordion-body a {
  color: var(--cyan);
}

/* ---------- 分组人工入口 ---------- */
.page-faq .faq-grouphelp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  margin: 18px 0 0;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px dashed var(--faq-dash);
  background: rgba(138, 43, 226, 0.08);
  font-size: 14px;
  color: var(--cool);
}

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

.page-faq .faq-grouphelp a {
  color: var(--cyan);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
}

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

/* ---------- 人工支持收尾 ---------- */
.page-faq .faq-outro {
  margin-top: 56px;
  padding: 56px 0 72px;
  border-top: 1px solid rgba(138, 43, 226, 0.35);
  background: linear-gradient(180deg, rgba(138, 43, 226, 0.1), rgba(10, 10, 18, 0) 72%);
}

.page-faq .faq-outro__grid {
  align-items: center;
  gap: 30px 40px;
}

.page-faq .faq-outro__frame {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 43, 226, 0.32);
  box-shadow: 0 18px 44px rgba(5, 5, 12, 0.62);
}

.page-faq .faq-outro__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-outro__lede {
  margin: 16px 0 0;
  max-width: 58ch;
}

.page-faq .faq-outro__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-outro__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice);
}

.page-faq .faq-outro__list .k {
  flex: none;
  min-width: 82px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-outro__links {
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .accordion-trigger {
    padding: 18px 20px;
    gap: 14px;
    font-size: 16px;
  }

  .page-faq .accordion-body {
    padding: 0 20px 22px 58px;
  }

  .page-faq .faq-group__num {
    font-size: 34px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero {
    padding: 32px 0 68px;
  }

  .page-faq .faq-hero__glow {
    width: 560px;
    height: 560px;
  }

  .page-faq .faq-group__head {
    gap: 16px 22px;
  }

  .page-faq .faq-group__title {
    font-size: 26px;
  }
}

@media (max-width: 519px) {
  .page-faq .faq-outro__list li {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-outro__list .k {
    min-width: 0;
    padding-top: 0;
  }

  .page-faq .faq-hero h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__card,
  .page-faq .accordion-item,
  .page-faq .accordion-icon,
  .page-faq .accordion-icon::before,
  .page-faq .accordion-icon::after {
    transition: none;
  }

  .page-faq .faq-index__card:hover,
  .page-faq .faq-index__card:focus-visible {
    transform: none;
  }
}