.page-faq {
  --faq-cut: 14px;
  --faq-cut-lg: 22px;
  --faq-rail: 208px;
  padding-bottom: 80px;
}

.page-faq .faq-hero {
  position: relative;
  padding-top: 28px;
  padding-bottom: 34px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(122, 43, 255, .55) 48%, rgba(255, 61, 139, .25) 70%, transparent);
}

.page-faq .faq-hero__idx {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-size: clamp(31px, 7.4vw, 66px);
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-hero__title-main {
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 布局骨架 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-top: 30px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  position: relative;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-index__item a {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: 54px;
  min-width: 0;
}

.page-faq .faq-sec {
  min-width: 0;
  scroll-margin-top: 84px;
}

.page-faq .faq-sec__head {
  position: relative;
  padding-top: 18px;
  margin-bottom: 24px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec__head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-sec__no {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-faq .faq-sec__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-sec__note {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-sec__more {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-sec__more a,
.page-faq .faq-human__more a,
.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .38);
}

.page-faq .faq-sec__more a:hover,
.page-faq .faq-human__more a:hover,
.page-faq .faq-item__a a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 步骤 ---------- */

.page-faq .faq-steps {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .faq-step__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 5px;
  border: 1px solid rgba(233, 180, 92, .45);
  background: rgba(233, 180, 92, .13);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-faq .faq-step p {
  margin: 0;
  padding-top: 3px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper);
}

.page-faq .faq-step p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .38);
}

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

/* ---------- 对照表 ---------- */

.page-faq .faq-panel {
  margin-bottom: 22px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-panel__cap {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--cyan);
  border-bottom-color: var(--line);
}

.page-faq .faq-table tbody th {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  white-space: nowrap;
}

.page-faq .faq-table td {
  color: var(--mist);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.page-faq .faq-copy__fmt {
  padding: 6px 10px;
  border: 1px dashed rgba(34, 224, 214, .35);
  background: rgba(34, 224, 214, .08);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 4px 0 24px;
}

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

.page-faq .faq-figure--square {
  max-width: 460px;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: border-color var(--ease);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--paper);
}

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

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

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__mod {
  flex: 0 0 auto;
  align-self: center;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--gold);
  white-space: nowrap;
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--gold);
}

.page-faq .faq-item__a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

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

/* ---------- 人工协助 ---------- */

.page-faq .faq-human {
  padding: 24px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(34, 224, 214, .11), rgba(122, 43, 255, .17) 55%, rgba(255, 61, 139, .10));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut-lg)), calc(100% - var(--faq-cut-lg)) 100%, 0 100%);
}

.page-faq .faq-human__lead {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--paper);
}

.page-faq .faq-human__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .faq-human__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-human__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-human__list .mono-label {
  flex: 0 0 80px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-human__val {
  font-size: 15px;
  color: var(--paper);
}

.page-faq .faq-human__more {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-top-wrap {
  margin: 26px 0 0;
}

.page-faq .faq-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--ease);
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  color: var(--cyan);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: 44px;
    padding-bottom: 48px;
  }

  .page-faq .faq-figure--square {
    max-width: 420px;
    margin-left: 48px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    justify-content: center;
    gap: 64px;
    max-width: 1040px;
    margin: 0 auto;
    padding-top: 44px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-faq .faq-index__title {
    margin-bottom: 18px;
  }

  .page-faq .faq-index__list {
    display: block;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: var(--line);
  }

  .page-faq .faq-index__item a {
    display: block;
    padding: 9px 0 9px 20px;
    border: 0;
    font-size: 14px;
    white-space: normal;
  }

  .page-faq .faq-index__item a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 17px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--line);
    transition: background var(--ease);
  }

  .page-faq .faq-index__item a::after {
    content: "";
    position: absolute;
    left: 0;
    top: 24px;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--ease);
  }

  .page-faq .faq-index__item a:hover::before,
  .page-faq .faq-index__item a:focus-visible::before {
    background: var(--gold);
  }

  .page-faq .faq-index__item a:hover::after,
  .page-faq .faq-index__item a:focus-visible::after {
    width: 16px;
  }

  .page-faq .faq-body {
    gap: 64px;
  }

  .page-faq .faq-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item a,
  .page-faq .faq-index__item a::before,
  .page-faq .faq-index__item a::after,
  .page-faq .faq-item,
  .page-faq .faq-top {
    transition: none;
  }
}