.page-faq {
  background: var(--c-night);
  color: var(--c-ivory);
  --qa-accent: var(--c-orange);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-night);
}

.page-faq .faq-hero__inner {
  position: relative;
  padding-block: clamp(2rem, 5vw, 3.25rem) clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-hero__inner::after {
  content: "";
  position: absolute;
  top: -6rem;
  right: -9rem;
  width: 26rem;
  height: 26rem;
  background: linear-gradient(
    135deg,
    rgba(255, 106, 31, 0.18),
    rgba(61, 220, 151, 0.06) 55%,
    transparent 72%
  );
  transform: rotate(18deg);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero .index-mark {
  display: block;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 0.9rem;
}

.page-faq .faq-hero h1 {
  margin: 0;
  color: var(--c-ivory);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero .lede {
  max-width: 40rem;
  margin: 1.25rem 0 0;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.75rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(200, 210, 221, 0.24);
}

.page-faq .faq-stat {
  display: grid;
  gap: 0.3rem;
  min-width: 7rem;
}

.page-faq .faq-stat__value {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 2.8vw, 1.7rem);
  font-weight: 500;
  color: var(--c-orange);
  line-height: 1.1;
}

.page-faq .faq-stat__label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--c-steel);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .faq-tags__item {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--c-ivory);
  text-decoration: none;
  background: rgba(200, 210, 221, 0.06);
  border: 2px solid var(--c-silver);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-tags__item:hover,
.page-faq .faq-tags__item:focus-visible {
  color: var(--c-orange);
  background: rgba(255, 106, 31, 0.08);
  transform: translate(-3px, -3px);
  box-shadow: var(--hard-shadow-hot);
}

/* ---------- 分区 ---------- */

.page-faq .faq-block {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem);
  scroll-margin-top: 7rem;
}

.page-faq .faq-block--night {
  background: var(--c-night);
  color: var(--c-ivory);
}

.page-faq .faq-block--deep {
  background: var(--c-deep);
  color: var(--c-ivory);
  --qa-accent: var(--c-green);
}

.page-faq .faq-block--violet {
  background: var(--c-violet);
  color: var(--c-ivory);
  --qa-accent: var(--c-orange);
}

.page-faq .faq-block--wine {
  background: var(--c-wine);
  color: var(--c-ivory);
  --qa-accent: var(--c-green);
}

.page-faq .faq-block--ivory {
  background: var(--c-ivory);
  color: var(--c-night);
  --qa-accent: var(--c-orange);
}

.page-faq .faq-block--deep,
.page-faq .faq-block--violet,
.page-faq .faq-block--wine {
  clip-path: polygon(0 0, 100% 1.6rem, 100% 100%, 0 100%);
  padding-top: clamp(4rem, 8vw, 7rem);
}

.page-faq .faq-block--last {
  padding-bottom: clamp(4rem, 9vw, 7.5rem);
}

/* ---------- 区块抬头 ---------- */

.page-faq .faq-block__head {
  display: grid;
  gap: 0.7rem;
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-steel);
}

.page-faq .faq-block--ivory .faq-block__note {
  color: rgba(10, 26, 47, 0.66);
}

/* ---------- 问答列表 ---------- */

.page-faq .faq-block__body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-list {
  display: grid;
  min-width: 0;
}

.page-faq .qa {
  border-top: 1px solid rgba(200, 210, 221, 0.26);
}

.page-faq .qa:last-child {
  border-bottom: 1px solid rgba(200, 210, 221, 0.26);
}

.page-faq .faq-block--ivory .qa,
.page-faq .faq-block--ivory .qa:last-child {
  border-color: rgba(10, 26, 47, 0.18);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.5rem 0.9rem;
  padding-block: clamp(0.95rem, 2vw, 1.4rem);
  list-style: none;
  cursor: pointer;
  transition: color 0.22s var(--ease);
}

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

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

.page-faq .qa:hover > .qa__q,
.page-faq .qa[open] > .qa__q {
  color: var(--qa-accent, var(--c-orange));
}

.page-faq .qa__no {
  padding-top: 0.4rem;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--qa-accent, var(--c-orange));
}

.page-faq .qa__text {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  line-height: 1.38;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.page-faq .qa__chev {
  align-self: center;
  width: 0.62rem;
  height: 0.62rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.28s var(--ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-faq .qa__a {
  display: grid;
  gap: 0.7rem;
  max-width: 38rem;
  padding-block: 0 1.6rem;
  animation: faq-reveal 0.3s var(--ease) both;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-faq .faq-block--ivory .qa__a p {
  color: rgba(10, 26, 47, 0.78);
}

.page-faq .qa__more a {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 1px;
}

.page-faq .faq-block--wine .qa__more a,
.page-faq .faq-block--violet .qa__more a {
  color: var(--c-ivory);
  border-bottom-color: var(--c-green);
}

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

/* ---------- 配图 ---------- */

.page-faq .faq-shot {
  align-self: start;
  max-width: 20rem;
  margin: 0 auto;
}

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

/* ---------- 人工支持 ---------- */

.page-faq .faq-help {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

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

.page-faq .faq-help__lede {
  max-width: 36rem;
  margin: 1.25rem 0 0;
  font-size: 1.03rem;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .faq-help__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.85rem;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
  color: var(--c-ivory);
}

.page-faq .faq-help__list .index-mark {
  min-width: 4.5rem;
  color: var(--c-green);
}

.page-faq .faq-help__actions {
  margin: 1.9rem 0 0;
}

.page-faq .faq-help__frame {
  margin: 0;
  min-width: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .qa__a {
    padding-inline-start: 3.4rem;
  }

  .page-faq .faq-shot {
    margin: 0;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-block__body--split {
    grid-template-columns: minmax(0, 1fr) 19rem;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-shot {
    position: sticky;
    top: 7rem;
    max-width: none;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1fr) minmax(0, 26rem);
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero .lede {
    font-size: 1.15rem;
  }
}