.page-faq {
  position: relative;
  padding-bottom: clamp(56px, 9vw, 130px);
  background-image:
    radial-gradient(880px 460px at 10% 0%, rgba(255, 122, 26, 0.075), transparent 66%),
    radial-gradient(760px 420px at 96% 28%, rgba(245, 197, 66, 0.055), transparent 70%);
  background-repeat: no-repeat;
}

.page-faq .faq-crumb {
  padding-top: calc(var(--ky-header-h) + clamp(14px, 3.5vw, 34px));
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(20px, 3.2vw, 42px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 3.6vw, 50px);
  align-items: center;
}

.page-faq .faq-hero__inner > *,
.page-faq .faq-body__grid > * {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.65rem);
  line-height: 1.04;
  letter-spacing: 0.005em;
  color: var(--ky-white);
  max-width: 17ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  color: var(--ky-warm);
  font-size: clamp(0.96rem, 1.15vw, 1.06rem);
  line-height: 1.82;
}

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

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ky-line);
}

.page-faq .faq-hero__stats li {
  padding: 14px 14px 2px 0;
  border-right: 1px solid var(--ky-line-soft);
}

.page-faq .faq-hero__stats li:last-child {
  border-right: 0;
}

.page-faq .faq-stat__v {
  display: block;
  font-family: var(--ky-font-mono);
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--ky-signal);
}

.page-faq .faq-stat__l {
  display: block;
  margin-top: 5px;
  font-size: 0.79rem;
  line-height: 1.5;
  color: rgba(214, 210, 196, 0.7);
}

.page-faq .faq-hero__fig,
.page-faq .faq-fig {
  margin: 0;
}

.page-faq .faq-shot {
  position: relative;
  border: 1px solid var(--ky-line);
  background-color: #0A1526;
  background-image:
    repeating-linear-gradient(90deg, rgba(214, 210, 196, 0.055) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(214, 210, 196, 0.055) 0 1px, transparent 1px 72px);
  overflow: hidden;
}

.page-faq .faq-shot--hero {
  aspect-ratio: 2 / 1;
}

.page-faq .faq-shot--matrix {
  aspect-ratio: 10 / 7;
}

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

.page-faq .faq-fig__cap {
  margin-top: 12px;
  font-size: 0.81rem;
  line-height: 1.6;
  color: rgba(214, 210, 196, 0.6);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(48px, 7vw, 96px);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 1040px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 索引轨道 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--ky-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ky-orange);
}

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

@media (max-width: 1039px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
    gap: 6px 8px;
  }
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 12px;
  border-left: 2px solid var(--ky-line);
  color: var(--ky-warm);
  text-decoration: none;
  font-size: 0.89rem;
  line-height: 1.5;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--ky-orange);
  background-color: rgba(255, 122, 26, 0.07);
  color: var(--ky-white);
  outline: none;
}

.page-faq .faq-index__num {
  flex: 0 0 auto;
  font-family: var(--ky-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255, 122, 26, 0.9);
}

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

@media (min-width: 1040px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--ky-header-h) + 24px);
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-answers {
  display: grid;
  gap: clamp(46px, 6vw, 84px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--ky-header-h) + 26px);
}

.page-faq .faq-group__head {
  border-top: 1px solid var(--ky-line-strong);
  padding-top: 18px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-group__num {
  display: inline-block;
  font-family: var(--ky-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--ky-orange);
}

.page-faq .faq-group__title {
  margin: 10px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(1.32rem, 2.8vw, 1.95rem);
  line-height: 1.16;
  color: var(--ky-white);
  max-width: 26ch;
}

.page-faq .faq-group__note {
  margin: 11px 0 0;
  max-width: 58ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: rgba(214, 210, 196, 0.78);
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--ky-line);
  background: linear-gradient(180deg, rgba(28, 36, 34, 0.82), rgba(10, 21, 38, 0.6));
  transition: border-color 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--ky-line-strong);
}

.page-faq .faq-item[open] {
  border-color: rgba(245, 197, 66, 0.45);
  background: linear-gradient(180deg, rgba(28, 36, 34, 0.95), rgba(10, 21, 38, 0.72));
}

.page-faq .faq-item__q {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 17px clamp(16px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  color: var(--ky-white);
  font-weight: 600;
  font-size: clamp(0.94rem, 1.1vw, 1.01rem);
  line-height: 1.6;
}

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

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

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

.page-faq .faq-item__q::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-left: auto;
  margin-top: 6px;
  border-right: 1px solid var(--ky-orange);
  border-bottom: 1px solid var(--ky-orange);
  transform: rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
  border-color: var(--ky-signal);
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--ky-font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  color: rgba(255, 122, 26, 0.9);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--ky-signal);
}

.page-faq .faq-item__a {
  padding: 16px clamp(16px, 2vw, 22px) 20px;
  border-top: 1px solid var(--ky-line-soft);
  color: var(--ky-warm);
  font-size: 0.925rem;
  line-height: 1.78;
}

.page-faq .faq-item__a > :first-child {
  margin-top: 0;
}

.page-faq .faq-item__a > :last-child {
  margin-bottom: 0;
}

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

.page-faq .faq-item__a ol,
.page-faq .faq-item__a ul {
  margin: 10px 0 0;
  padding-left: 1.15em;
}

.page-faq .faq-item__a li {
  margin-bottom: 7px;
}

.page-faq .faq-item__a li:last-child {
  margin-bottom: 0;
}

/* ---------- 兼容矩阵 ---------- */
.page-faq .faq-fig {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-matrix {
  display: grid;
  gap: 1px;
  margin-top: clamp(16px, 2vw, 24px);
  border: 1px solid var(--ky-line);
  background-color: var(--ky-line);
}

@media (min-width: 760px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-matrix__cell {
  background-color: rgba(11, 31, 26, 0.9);
  padding: clamp(18px, 2.2vw, 26px);
}

.page-faq .faq-matrix__k {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  color: var(--ky-orange);
}

.page-faq .faq-matrix__v {
  margin: 12px 0 0;
  color: var(--ky-warm);
  font-size: 0.9rem;
  line-height: 1.76;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contactgrid {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 760px) {
  .page-faq .faq-contactgrid {
    grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
  }
}

.page-faq .faq-contactcard {
  border: 1px solid var(--ky-line);
  border-top: 2px solid var(--ky-signal);
  background-color: rgba(28, 36, 34, 0.72);
  padding: clamp(18px, 2.2vw, 24px);
}

.page-faq .faq-contactcard--soft {
  border-top-color: var(--ky-mint);
}

.page-faq .faq-contactcard--warm {
  border-top-color: var(--ky-yellow);
}

.page-faq .faq-contact__v {
  margin: 14px 0 0;
  font-family: var(--ky-font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ky-white);
  word-break: break-word;
}

.page-faq .faq-contact__d {
  margin: 10px 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(214, 210, 196, 0.72);
}

.page-faq .faq-contact__hint {
  margin: 20px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(214, 210, 196, 0.72);
}

.page-faq .faq-contact__hint a {
  color: var(--ky-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__hint a:hover,
.page-faq .faq-contact__hint a:focus-visible {
  color: var(--ky-signal);
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}