.page-faq {
  --faq-soft: rgba(242, 240, 230, .78);
  --faq-tint: rgba(63, 240, 200, .08);
  --faq-gap: 20px;
  display: block;
  background: var(--bg);
  color: var(--ink);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 44px;
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(90deg, rgba(36, 65, 58, .55) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(36, 65, 58, .55) 0 1px, transparent 1px 72px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -130px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at center, rgba(63, 240, 200, .16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__here {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
  align-items: end;
  margin-top: 26px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero__copy {
  margin-top: 16px;
  max-width: 40em;
  color: var(--faq-soft);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .faq-hero__stat {
  background: var(--panel);
  padding: 14px 15px 13px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
}

.page-faq .faq-num__u {
  font-size: 12px;
  margin-left: 2px;
  color: var(--muted);
}

.page-faq .faq-num__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 主体 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: 30px;
  padding-top: 44px;
}

.page-faq .faq-index {
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  padding: 18px 16px 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 10px 11px;
  border-left: 2px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--faq-tint);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange);
}

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

.page-faq .faq-index__count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-index__item--tail {
  margin-top: 8px;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

.page-faq .faq-index__link--tail {
  color: var(--cyan);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-index__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 200, .45);
}

.page-faq .faq-groups {
  display: grid;
  gap: 52px;
  min-width: 0;
}

/* ---------- 问题分组 ---------- */

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
  padding-top: 6px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-group__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding: 0 14px;
  transition: background .22s var(--ease), border-color .22s var(--ease);
}

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: center;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--cyan);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-item__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--clay);
}

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

.page-faq .faq-item__mark {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: end;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 0 20px 32px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 .85em;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 200, .4);
}

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

.page-faq .faq-item__anchor {
  margin-top: 14px;
}

.page-faq .faq-item__anchor a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
}

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

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 18px 0 4px;
  border: 1px solid var(--line);
  background: var(--bg);
  clip-path: var(--cut-sm);
  overflow: hidden;
}

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

.page-faq .faq-figure .media-frame__cap {
  margin: 0;
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 收束 ---------- */

.page-faq .faq-outro {
  display: grid;
  gap: 24px;
  padding: 28px 20px;
  background:
    linear-gradient(135deg, rgba(180, 101, 63, .16), rgba(11, 31, 26, 0) 62%),
    var(--panel-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  clip-path: var(--cut);
}

.page-faq .faq-outro__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-outro__copy {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-outro__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-outro__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 200, .4);
}

.page-faq .faq-outro__ways {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
}

.page-faq .faq-way {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  background: var(--panel);
}

.page-faq .faq-way__k {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-faq .faq-way__v {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-way__tip {
  margin: 0;
  padding: 13px 15px;
  background: var(--panel);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--clay);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 52px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-groups {
    gap: 62px;
  }

  .page-faq .faq-outro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: 34px;
    padding: 34px 28px;
  }
}

@media (min-width: 1000px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-item__a {
    padding-left: 44px;
    padding-right: 24px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-index {
    padding: 22px 18px 18px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}