.page-faq {
  --faq-ans-bg: rgba(237, 233, 223, .055);
  --faq-q-hover: rgba(237, 233, 223, .032);
  --faq-gutter: clamp(16px, 4vw, 22px);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(63, 75, 69, .16) 0 1px, transparent 1px 72px),
    linear-gradient(158deg, #123A31 0%, #0E2A24 58%, #0E2A24 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -90px;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(200, 52, 43, .18), rgba(227, 166, 28, .10));
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(22px, 3.5vw, 36px);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 14px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(237, 233, 223, .74);
}

.page-faq .faq-hero__band {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(120px, 22vw, 250px);
  object-fit: cover;
  opacity: .6;
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  background: var(--coal);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-jump ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 6px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-jump a:hover {
  color: var(--ivory);
  border-color: var(--teal);
}

.page-faq .faq-jump a[aria-current="true"] {
  color: var(--coal);
  background: var(--warn);
  border-color: var(--warn);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: clamp(38px, 6vw, 68px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6.5vw, 82px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group__head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-faq .faq-group__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--stone);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: 34px 1fr 16px;
  align-items: start;
  gap: 10px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  transition: background .2s var(--ease);
}

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

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

.page-faq .qa__q:hover {
  background: var(--faq-q-hover);
}

.page-faq .qa__id {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.6;
  padding-top: 3px;
  color: var(--stone);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] .qa__id {
  color: var(--teal);
}

.page-faq .qa__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ivory);
}

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  justify-self: end;
}

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

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

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

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

.page-faq .qa__a {
  margin: 0 0 4px;
  padding: 14px 16px 16px;
  background: var(--faq-ans-bg);
  border-left: 2px solid var(--teal);
  border-radius: 0 2px 2px 0;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(237, 233, 223, .78);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__a a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 联系复制行 ---------- */
.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .copy-row + .copy-row {
  margin-top: 10px;
  padding-top: 0;
  border-top: 0;
}

/* ---------- 信息图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  padding: 0;
  max-width: 720px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--warn);
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin: clamp(40px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-more__text {
  margin: 0;
  font-size: 14px;
  color: var(--stone);
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
}

.page-faq .faq-more__links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--teal);
  border-radius: 2px;
  font-size: 13.5px;
  color: var(--ivory);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-more__links a:hover {
  background: var(--teal);
  color: var(--coal);
}

/* ---------- 返回顶部 ---------- */
.page-faq .to-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 30;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .qa__q {
    grid-template-columns: 54px 1fr 20px;
    gap: 14px;
    padding: 20px 6px;
  }

  .page-faq .qa__id {
    font-size: 12.5px;
  }

  .page-faq .qa__text {
    font-size: 17px;
  }

  .page-faq .qa__a {
    margin-left: 68px;
    padding: 16px 20px 18px;
  }

  .page-faq .qa__a p {
    font-size: 16px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-jump ul {
    padding: 14px 0;
  }

  .page-faq .faq-group__head {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    column-gap: 24px;
  }

  .page-faq .faq-group__note {
    margin: 0;
    text-align: right;
    max-width: 30ch;
  }

  .page-faq .faq-figure {
    margin-left: 68px;
  }
}