.page-faq {
  --fq-tone: var(--c-lime);
  --fq-tone-soft: rgba(184, 255, 60, .10);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(20px, 4vw, 44px);
  padding-bottom: clamp(22px, 3.6vw, 40px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% auto -18%;
  height: 175%;
  z-index: -1;
  pointer-events: none;
  background:
    repeating-linear-gradient(115deg, rgba(63, 216, 255, .09) 0 1px, transparent 1px 48px),
    radial-gradient(120% 95% at 10% 0%, rgba(184, 255, 60, .14), transparent 58%),
    radial-gradient(95% 80% at 92% 100%, rgba(255, 106, 43, .12), transparent 62%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: end;
}

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

.page-faq .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 26px);
  font-size: .8125rem;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.05;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  color: var(--c-white);
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  display: inline-block;
  color: var(--c-space);
  background: var(--c-lime);
  padding: 0 .16em;
  transform: skewX(-5deg);
}

.page-faq .faq-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(.9375rem, 1.35vw, 1.0625rem);
  line-height: 1.8;
  color: var(--c-white);
  opacity: .86;
}

.page-faq .faq-hero__meter {
  border: 1px solid var(--line);
  border-top: 3px solid var(--c-orange);
  background: rgba(5, 11, 26, .58);
  padding: 16px 18px 18px;
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-hero__meter-head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--c-lime);
}

.page-faq .faq-hero__meter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-hero__meter-list li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: .875rem;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-faq .faq-hero__meter-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-hero__k {
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-white);
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-jump {
  padding-bottom: clamp(18px, 2.8vw, 30px);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 11, 26, .5);
  color: var(--c-white);
  font-size: .875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-chip .mono {
  font-size: .75rem;
  color: var(--c-lime);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--c-orange);
  background: rgba(255, 106, 43, .12);
  transform: translateY(-2px);
}

.page-faq .faq-chip:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

/* ---------- 分组容器 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(30px, 4.6vw, 56px);
}

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

.page-faq .fg--calendar { --fq-tone: var(--c-cyan); --fq-tone-soft: rgba(63, 216, 255, .11); }
.page-faq .fg--records  { --fq-tone: var(--c-amber); --fq-tone-soft: rgba(255, 197, 61, .11); }
.page-faq .fg--member   { --fq-tone: var(--c-lime); --fq-tone-soft: rgba(184, 255, 60, .11); }
.page-faq .fg--android  { --fq-tone: var(--c-orange); --fq-tone-soft: rgba(255, 106, 43, .12); }
.page-faq .fg--biz      { --fq-tone: var(--c-cyan); --fq-tone-soft: rgba(63, 216, 255, .11); }
.page-faq .fg--help     { --fq-tone: var(--c-lime); --fq-tone-soft: rgba(184, 255, 60, .11); }

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-left: 4px solid var(--fq-tone);
  background: linear-gradient(90deg, var(--fq-tone-soft), transparent 74%);
  margin-bottom: 4px;
}

.page-faq .faq-group__idx {
  flex: 0 0 auto;
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--fq-tone);
  border: 1px solid currentColor;
  padding: 1px 7px;
  line-height: 1.4;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  color: var(--c-white);
  min-width: 0;
}

.page-faq .faq-group__count {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--c-mist);
}

.page-faq .faq-group__body {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  min-width: 0;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-soft);
  min-width: 0;
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 4px 17px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.005em;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.5;
  color: var(--c-white);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--fq-tone);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 3px;
}

.page-faq .qa__q-text {
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--fq-tone);
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .qa__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
}

.page-faq .qa[open] .qa__q {
  color: var(--fq-tone);
}

.page-faq .qa__a {
  max-width: 66ch;
  padding: 0 4px 20px 2px;
  color: var(--c-mist);
  font-size: .9375rem;
  line-height: 1.8;
  animation: faqFadeIn .26s var(--ease) both;
}

@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: none; }
}

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

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

.page-faq .qa__a strong {
  color: var(--c-white);
  font-weight: 700;
}

.page-faq .qa__a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 216, 255, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 步骤列表 ---------- */
.page-faq .qa__steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 12px;
}

.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .qa__step-idx {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  font-size: .75rem;
  color: var(--fq-tone);
  border: 1px solid var(--fq-tone);
}

.page-faq .qa__steps p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
  width: 100%;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-figure--square {
  aspect-ratio: 1 / 1;
}

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

/* ---------- 联系引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 14px;
  justify-items: start;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--c-orange);
  background: linear-gradient(115deg, rgba(255, 106, 43, .12), rgba(5, 11, 26, .5) 62%);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--c-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-jump__inner {
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(250px, .72fr);
  }

  .page-faq .faq-group__head {
    padding: 12px 20px;
  }

  .page-faq .qa__q {
    padding: 20px 6px 20px 2px;
  }

  .page-faq .qa__a {
    padding: 0 6px 24px 2px;
  }

  .page-faq .faq-group--android .faq-group__body {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 268px);
    align-items: start;
  }

  .page-faq .faq-group--android .faq-figure--square {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: start;
    gap: 20px;
    padding: 24px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

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