.page-faq {
  --faq-dim: rgba(244, 237, 222, .68);
  --faq-faint: rgba(198, 186, 166, .55);
  background-color: var(--night);
  background-image: repeating-linear-gradient(180deg, rgba(198, 186, 166, .042) 0 1px, rgba(0, 0, 0, 0) 1px 9px);
  color: var(--paper);
  font-family: var(--font-sans);
  padding: clamp(1.1rem, 3vw, 2.25rem) 0 clamp(3rem, 8vw, 6rem);
  overflow-x: clip;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 面包屑 */
.page-faq .faq-crumbs {
  padding-bottom: clamp(.9rem, 2vw, 1.4rem);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--faq-faint);
}

.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-crumbs li + li::before {
  content: "/";
  margin-right: .55rem;
  color: var(--line);
}

.page-faq .faq-crumbs a {
  color: var(--ash);
  text-decoration: none;
  transition: color .22s var(--ease);
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--violet);
}

.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--odds);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(1.75rem, 4.5vw, 3.25rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    align-items: center;
  }
}

.page-faq .faq-hero__body {
  display: grid;
  gap: clamp(.9rem, 2.4vw, 1.5rem);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-faq .faq-kicker::before {
  content: "";
  display: block;
  width: 1.7rem;
  height: 2px;
  background: var(--odds);
}

.page-faq h1 {
  margin: 0;
  max-width: 17ch;
  font-size: clamp(2.05rem, 6.4vw, 4.5rem);
  line-height: .96;
  letter-spacing: -.03em;
  font-weight: 800;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(.98rem, 1.6vw, 1.09rem);
  line-height: 1.78;
  color: var(--faq-dim);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(.9rem, 3vw, 2.25rem);
  margin: 0;
  padding: clamp(.8rem, 2vw, 1.1rem) 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-meta div {
  display: grid;
  gap: .25rem;
}

.page-faq .faq-meta dt {
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--faq-faint);
}

.page-faq .faq-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--odds);
}

.page-faq .faq-meta div:nth-child(3) dd {
  color: var(--turf);
}

.page-faq .faq-meta div:nth-child(4) dd {
  color: var(--amber);
  font-size: clamp(.95rem, 2vw, 1.1rem);
}

.page-faq .faq-hero__art {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 420px;
  justify-self: center;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 22% 8%, rgba(123, 92, 255, .38), transparent 62%),
    linear-gradient(158deg, var(--violet-deep), var(--board) 62%, var(--night));
  overflow: hidden;
  transform: rotate(-1.1deg);
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .95;
  filter: saturate(.95) contrast(1.06);
}

/* 分组 */
.page-faq .faq-group {
  padding-top: clamp(2.25rem, 5.5vw, 3.5rem);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 clamp(.9rem, 2.6vw, 1.75rem);
  align-items: start;
  padding-bottom: clamp(1rem, 2.4vw, 1.6rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--violet);
  opacity: .78;
}

.page-faq .faq-group__head h2 {
  margin: 0 0 .5rem;
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.14;
  letter-spacing: -.022em;
  font-weight: 800;
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 46em;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--faq-faint);
}

/* 折叠条目 */
.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 6rem;
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: clamp(.95rem, 2.2vw, 1.3rem) 0;
  font-size: clamp(1.01rem, 2.1vw, 1.26rem);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -.012em;
  color: var(--paper);
  transition: color .22s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--violet);
}

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

.page-faq .faq-item__sign {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--violet);
  transition: transform .32s var(--ease), opacity .32s var(--ease), background-color .32s var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-item__sign::after {
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--amber);
}

.page-faq .faq-item__a {
  margin: 0 0 clamp(1rem, 2.2vw, 1.5rem) .2rem;
  padding: .12rem 0 .2rem 1.05rem;
  border-left: 2px solid var(--violet-deep);
  max-width: 46em;
  font-size: clamp(.91rem, 1.6vw, .985rem);
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-item__a p {
  margin: 0 0 .7rem;
}

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

.page-faq .faq-item__a a {
  color: var(--violet);
  text-decoration: underline;
  text-underline-offset: .22em;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--amber);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-open .32s var(--ease) both;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 宽幅图形 */
.page-faq .faq-banner {
  position: relative;
  margin: clamp(2.5rem, 6.5vw, 4.25rem) 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--board);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.92) brightness(.9);
}

.page-faq .faq-banner__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .6rem 1rem;
  background: rgba(13, 10, 24, .82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--ash);
}

/* 快速跳转标签 */
.page-faq .faq-tags {
  padding-top: clamp(2.25rem, 5.5vw, 3.5rem);
}

.page-faq .faq-tags__title {
  margin: 0 0 clamp(.9rem, 2.2vw, 1.35rem);
  font-size: clamp(1.05rem, 2.3vw, 1.45rem);
  letter-spacing: -.015em;
  font-weight: 800;
}

.page-faq .faq-tags__list {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  padding: .48rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--board);
  font-size: .83rem;
  line-height: 1.3;
  color: var(--ash);
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  color: var(--night);
  background: var(--violet);
  border-color: var(--violet);
}

/* 联系通道 */
.page-faq .faq-help {
  display: grid;
  gap: clamp(1.35rem, 3.5vw, 2.25rem);
  margin-top: clamp(2.25rem, 5.5vw, 3.5rem);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(47, 199, 122, .16), transparent 58%),
    linear-gradient(152deg, rgba(58, 42, 122, .58), rgba(22, 17, 42, .96));
}

@media (min-width: 860px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

.page-faq .faq-help__intro {
  display: grid;
  gap: .85rem;
}

.page-faq .faq-help__intro h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.1vw, 2.05rem);
  line-height: 1.14;
  letter-spacing: -.022em;
  font-weight: 800;
}

.page-faq .faq-help__intro p {
  margin: 0;
  max-width: 36em;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--faq-dim);
}

.page-faq .faq-help__more {
  justify-self: start;
  margin-top: .3rem;
  padding-bottom: .18rem;
  border-bottom: 1px solid var(--odds);
  font-size: .88rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-help__more:hover,
.page-faq .faq-help__more:focus-visible {
  color: var(--odds);
  border-color: var(--amber);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-help__list li {
  display: grid;
  gap: .3rem;
  padding: .95rem 1.1rem;
  background: rgba(13, 10, 24, .74);
}

.page-faq .faq-help__chn {
  font-size: .72rem;
  letter-spacing: .13em;
  color: var(--turf);
}

.page-faq .faq-help__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.9rem, 1.9vw, 1.03rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-fineprint {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--faq-faint);
}

.page-faq .faq-fineprint a {
  color: var(--ash);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.page-faq .faq-fineprint a:hover,
.page-faq .faq-fineprint a:focus-visible {
  color: var(--violet);
}

/* 窄屏收敛 */
@media (max-width: 620px) {
  .page-faq .faq-hero__art {
    transform: none;
    max-width: 320px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1fr);
    gap: .55rem;
  }

  .page-faq .faq-item > summary {
    gap: .75rem;
  }

  .page-faq .faq-item__a {
    padding-left: .8rem;
  }

  .page-faq .faq-banner__cap {
    position: static;
    border-right: none;
    border-top: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-item > summary,
  .page-faq .faq-tag {
    transition: none;
  }
}