.page-faq {
  --faq-line: rgba(212, 175, 55, .26);
  --faq-hair: rgba(0, 229, 255, .22);
  --faq-soft: rgba(234, 242, 255, .06);
  --faq-body-color: rgba(234, 242, 255, .82);
  background: var(--ink-800);
  color: var(--mist);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 5vw, 52px) 0 clamp(30px, 4.5vw, 58px);
  background:
    radial-gradient(120% 85% at 88% -12%, rgba(0, 229, 255, .17), transparent 62%),
    radial-gradient(85% 70% at -8% 112%, rgba(122, 31, 61, .42), transparent 66%),
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--violet) 145%);
  border-bottom: var(--rule);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 46%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan) 48%, var(--gold));
  opacity: .72;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-faq .faq-title {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.035em;
  color: var(--mist);
}

.page-faq .faq-title__line {
  display: block;
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(0, 229, 255, .28);
}

.page-faq .faq-lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.72;
  color: var(--faq-body-color);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: var(--hair);
  border-radius: var(--radius-pod);
  background: rgba(6, 18, 38, .62);
  color: var(--mist);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  transition: border-color .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-jump__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(32px, 5vw, 68px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .faq-index {
  padding: 18px 18px 20px;
  border: var(--rule);
  border-left: 3px solid var(--gold);
  border-radius: 0 14px 14px 0;
  background: linear-gradient(150deg, rgba(59, 42, 107, .42), rgba(6, 18, 38, .72));
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-index__meta {
  margin: 6px 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(234, 242, 255, .6);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 8px;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(0, 229, 255, .1);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

.page-faq .faq-index__n {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(234, 242, 255, .5);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--hair);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(234, 242, 255, .58);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-main {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: 6px;
  border-bottom: var(--rule);
}

.page-faq .faq-group__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.03em;
  color: var(--mist);
}

.page-faq .faq-group__desc {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(234, 242, 255, .64);
}

/* ---------- 手风琴 ---------- */

.page-faq .q-item {
  border-bottom: var(--hair);
}

.page-faq .q-item__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

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

.page-faq .q-item__head:hover .q-text,
.page-faq .q-item[open] .q-text {
  color: var(--cyan);
}

.page-faq .q-item__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .q-num {
  flex: 0 0 38px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-faq .q-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
  transition: color .2s var(--ease);
}

.page-faq .q-icon {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-left: 4px;
  margin-top: 2px;
  border: 1px solid rgba(212, 175, 55, .5);
  border-radius: 50%;
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq .q-icon::before,
.page-faq .q-icon::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

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

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

.page-faq .q-item[open] .q-icon::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .q-body {
  padding: 0 2px 20px;
}

.page-faq .q-body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body-color);
}

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

.page-faq .q-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .42);
  transition: border-color .2s var(--ease);
}

.page-faq .q-body a:hover,
.page-faq .q-body a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-faq .q-steps {
  margin: 12px 0 14px;
  padding: 14px 16px 14px 32px;
  list-style: decimal;
  border-left: 3px solid var(--cyan);
  border-radius: 0 12px 12px 0;
  background: var(--paper);
  color: #16233a;
  font-size: 14px;
  line-height: 1.72;
}

.page-faq .q-steps li + li {
  margin-top: 6px;
}

.page-faq .q-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 255, .7);
}

/* ---------- 安装章节图文 ---------- */

.page-faq .faq-install-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 8px;
}

.page-faq .faq-figure {
  margin: 0;
  border: var(--rule);
  border-radius: 14px;
  overflow: hidden;
  background: var(--ink-900);
}

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

.page-faq .faq-figure--support img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure .figure__cap {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(234, 242, 255, .62);
  border-top: var(--hair);
}

/* ---------- 客服章节 ---------- */

.page-faq .faq-group--support .faq-group__head {
  border-bottom-color: rgba(255, 107, 26, .38);
}

.page-faq .faq-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

.page-faq .faq-support__card {
  padding: clamp(20px, 3vw, 32px);
  border: var(--rule);
  border-radius: 16px;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 107, 26, .16), transparent 62%),
    linear-gradient(160deg, rgba(59, 42, 107, .5), rgba(6, 18, 38, .82));
}

.page-faq .faq-support__card .contact-list {
  display: grid;
  gap: 0;
}

.page-faq .faq-support__card .contact-row {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-bottom: var(--hair);
}

.page-faq .faq-support__card .contact-row__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-support__card .contact-row__value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-support__card .contact-row__value--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
}

.page-faq .faq-support__hint {
  margin: 18px 0 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(234, 242, 255, .68);
}

.page-faq .faq-support__card .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-pod);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

/* ---------- 桌面 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-body {
    grid-template-columns: 246px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .q-item__head {
    padding: 18px 2px;
    gap: 16px;
  }

  .page-faq .q-text {
    font-size: 16px;
  }

  .page-faq .q-num {
    flex-basis: 44px;
  }

  .page-faq .q-body {
    padding: 0 2px 22px 60px;
  }

  .page-faq .faq-install-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-install-layout .faq-figure {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body {
    grid-template-columns: 286px minmax(0, 1fr);
    gap: 72px;
  }

  .page-faq .q-item__head {
    padding: 20px 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .q-icon,
  .page-faq .q-icon::before,
  .page-faq .q-icon::after,
  .page-faq .q-text {
    transition: none;
  }

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