.page-faq {
  --faq-hair: 1px solid var(--line-soft);
  --faq-hair-faint: 1px solid var(--line-faint);
  --faq-off: clamp(18px, 2.4vw, 28px);
  position: relative;
}

/* ---------- 面包屑间距 ---------- */
.page-faq .crumb {
  padding-block: 18px 0;
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-block: 22px clamp(30px, 5vw, 54px);
}

.page-faq .faq-hero__in {
  display: grid;
  gap: 26px;
  align-items: end;
}

.page-faq .faq-hero__text {
  max-width: 40ch;
}

.page-faq .faq-hero__text .label-mono {
  display: inline-block;
  color: var(--index);
  letter-spacing: .22em;
  font-size: 11px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(30px, 7.6vw, 60px);
  line-height: 1.04;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 36ch;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--index);
}

.page-faq .faq-hero__frame {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: 10px 10px 0 rgba(7, 11, 14, .55);
  background: var(--leyu-2);
}

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

/* ---------- 顶部跳转条 ---------- */
.page-faq .faq-filter__in {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 13px;
  overflow-x: auto;
  border-top: var(--faq-hair);
  border-bottom: var(--faq-hair);
  scrollbar-width: none;
}

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

.page-faq .faq-filter__keys {
  flex: none;
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--index);
  padding-right: 8px;
  border-right: var(--faq-hair-faint);
  margin-right: 4px;
}

.page-faq .faq-filter .tag {
  flex: none;
  text-decoration: none;
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  color: var(--paper);
  background: var(--leyu-2);
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.page-faq .faq-filter .tag:hover,
.page-faq .faq-filter .tag:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding-block: clamp(40px, 6.4vw, 72px);
}

.page-faq .faq-block--alt {
  background: linear-gradient(180deg, rgba(18, 86, 107, .34) 0%, rgba(18, 86, 107, 0) 78%);
}

.page-faq .faq-block__head {
  max-width: 48ch;
  margin-bottom: clamp(20px, 3vw, 30px);
  padding-left: 16px;
  border-left: 3px solid var(--signal);
}

.page-faq .faq-block__head .label-mono {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--index);
}

.page-faq .faq-block h2 {
  margin: 10px 0 8px;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.24;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-block__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--index);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: var(--faq-hair);
}

.page-faq .qa {
  border-bottom: var(--faq-hair);
  border-left: 3px solid transparent;
  background: transparent;
  transition: border-color .24s ease, background-color .24s ease;
}

.page-faq .qa[open] {
  border-left-color: var(--signal);
  background: rgba(18, 86, 107, .38);
}

.page-faq .qa:hover {
  background: rgba(18, 86, 107, .2);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 18px 14px 18px 12px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__idx {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--index);
  padding-top: 4px;
  transition: color .24s ease;
}

.page-faq .qa[open] .qa__idx {
  color: var(--signal);
}

.page-faq .qa__text {
  font-size: clamp(15px, 2.1vw, 18px);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--signal);
  transform: translate(-50%, -50%);
  transition: transform .24s ease, opacity .24s ease;
}

.page-faq .qa__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 20px 22px 12px;
  animation: faq-slide .3s ease both;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 244, 241, .84);
}

@keyframes faq-slide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 图文块 ---------- */
.page-faq .faq-figure {
  margin: 0;
  padding-block: clamp(6px, 2vw, 18px) clamp(30px, 4vw, 48px);
}

.page-faq .faq-figure__frame {
  border: 2px solid var(--line);
  box-shadow: -10px 10px 0 rgba(7, 11, 14, .55);
  background: var(--leyu-2);
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
}

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

.page-faq .faq-figure .frame__cap {
  display: block;
  max-width: 900px;
  margin: 14px auto 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--index);
  padding-left: 12px;
  border-left: 2px solid var(--pulse);
}

/* ---------- 求助面板 ---------- */
.page-faq .faq-help {
  padding-block: clamp(40px, 6vw, 76px) clamp(56px, 8vw, 104px);
}

.page-faq .faq-help__panel {
  position: relative;
  border: 2px solid var(--line);
  background: linear-gradient(140deg, #070B0E 0%, #0B3B4A 62%, #12566B 100%);
  box-shadow: 12px 12px 0 rgba(7, 11, 14, .6);
  padding: clamp(24px, 4vw, 44px);
  overflow: hidden;
}

.page-faq .faq-help__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 47, .3) 0%, rgba(255, 122, 47, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-help__head .label-mono {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--index);
}

.page-faq .faq-help h2 {
  margin: 12px 0 0;
  max-width: 24ch;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -.025em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-help__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 244, 241, .82);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 60ch;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
  padding-bottom: 10px;
  border-bottom: var(--faq-hair-faint);
}

.page-faq .faq-help__list .label-mono {
  flex: none;
  font-size: 11px;
  color: var(--pulse);
  letter-spacing: .12em;
}

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

.page-faq .faq-help__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__q {
    padding: 22px 20px 22px 20px;
    gap: 18px;
  }

  .page-faq .qa__a {
    padding: 0 40px 26px 56px;
  }

  .page-faq .faq-block__head {
    padding-left: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__in {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(28px, 4vw, 54px);
  }

  .page-faq .faq-hero__frame {
    margin-bottom: 6px;
  }

  .page-faq .qa__q {
    grid-template-columns: 62px minmax(0, 1fr) auto;
    padding: 24px 28px;
  }

  .page-faq .qa__a {
    padding: 0 88px 30px 90px;
  }

  .page-faq .qa__idx {
    padding-top: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__idx,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }

  .page-faq .qa__a {
    animation: none;
  }
}