.page-faq {
  --faq-line-tight: 1px solid var(--line);
  --faq-pad: clamp(18px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 42px 0 56px;
  background-image: linear-gradient(158deg, rgba(232, 178, 58, 0.11) 0 27%, rgba(232, 178, 58, 0) 27.4%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.page-faq .faq-hero__copy {
  min-width: 0;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .display {
  margin: 14px 0 18px;
}

.page-faq .faq-hero .lead {
  max-width: 58ch;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: var(--faq-line-tight);
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-hero__facts .num {
  display: inline-block;
  margin-right: 6px;
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-hero__media {
  margin: 0;
  width: 100%;
  max-width: 420px;
  justify-self: start;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

@media (min-width: 920px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 54px;
    padding: 64px 0 84px;
  }

  .page-faq .faq-hero__media {
    justify-self: end;
  }
}

/* ---------- 索引墙 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

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

.page-faq .faq-index__col--main .h2 {
  margin-bottom: 12px;
}

.page-faq .faq-index__group {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 28px 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-faq .faq-index__group .num {
  font-size: 13px;
  color: inherit;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--faq-line-tight);
}

.page-faq .faq-index__list li {
  border-bottom: var(--faq-line-tight);
}

.page-faq .faq-index__list a {
  display: block;
  padding: 11px 6px 11px 0;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.55;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cyan);
  background: rgba(43, 231, 208, 0.05);
  padding-left: 8px;
  outline: none;
}

@media (min-width: 920px) {
  .page-faq .faq-index {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
  }

  .page-faq .faq-index__col--side {
    padding-top: 62px;
  }
}

/* ---------- 筛选与主体 ---------- */
.page-faq .faq-hub {
  padding-bottom: 24px;
}

.page-faq .faq-hub .filter-bar {
  margin-bottom: clamp(38px, 6vw, 64px);
}

/* ---------- 通栏图 ---------- */
.page-faq .faq-banner {
  margin: 0 0 clamp(46px, 7vw, 78px);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 560;
  object-fit: cover;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin: 0 0 clamp(58px, 9vw, 104px);
  scroll-margin-top: 90px;
}

.page-faq .faq-group:last-of-type {
  margin-bottom: clamp(40px, 7vw, 72px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: var(--faq-line-tight);
}

.page-faq .faq-group__idx {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  padding: 0 8px;
  border: 1px solid var(--line);
  color: var(--gold);
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__head .h2 {
  margin: 6px 0 4px;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-group__lead {
  margin: 24px 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-group__list {
  margin-top: 10px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-left: 2px solid var(--gold);
  border-bottom: var(--faq-line-tight);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 10px 18px 18px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

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

.page-faq .qa__q:hover {
  background: rgba(242, 240, 234, 0.035);
}

.page-faq .qa__q:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: -1px;
}

.page-faq .qa__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 7px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--gold);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa__mark::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__mark::before,
.page-faq .qa[open] .qa__mark::after {
  background: var(--cyan);
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 16px 24px 18px;
  animation: faq-drop var(--dur) var(--ease);
}

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .qa__a p {
  margin: 0 0 12px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

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

.page-faq .qa__a a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .qa__src {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-faq .source-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--jade);
  color: var(--jade);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: help;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .source-tag:hover {
  background: rgba(31, 191, 156, 0.12);
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-faq .qa__a {
    padding-left: 58px;
    padding-right: 28px;
  }
}

/* ---------- 页尾引导 ---------- */
.page-faq .faq-tail {
  padding: 26px 0 8px;
  border-top: 2px solid var(--gold);
}

.page-faq .faq-tail__text {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-tail__text a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-tail__text a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

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