.page-faq {
  --faq-aside: clamp(200px, 26%, 300px);
  --faq-tone: var(--wine);
  padding-bottom: clamp(52px, 9vw, 104px);
}

.page-faq [data-tone="wine"] { --faq-tone: var(--wine); }
.page-faq [data-tone="ink"] { --faq-tone: var(--ink-blue); }
.page-faq [data-tone="gold"] { --faq-tone: var(--gold); }
.page-faq [data-tone="celadon"] { --faq-tone: var(--celadon); }
.page-faq [data-tone="mist"] { --faq-tone: var(--mist); }
.page-faq [data-tone="deep"] { --faq-tone: var(--wine-deep); }

.page-faq .breadcrumb {
  margin-bottom: 16px;
}

/* ---------- 首屏区 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 6vw, 52px) 0 clamp(24px, 4vw, 38px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(26px, 5vw, 46px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-light), rgba(233, 201, 107, 0) 72%);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(27px, 7.2vw, 48px);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--wine-deep);
  margin: 10px 0 16px;
  max-width: 21ch;
}

.page-faq .faq-hero .lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 4vw, 30px);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .55);
  color: var(--ink-blue);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: background .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease), transform .24s var(--ease);
}

.page-faq .faq-jump a b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--faq-tone);
  transition: color .24s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--cream);
  transform: translateY(-2px);
}

.page-faq .faq-jump a:hover b,
.page-faq .faq-jump a:focus-visible b {
  color: var(--gold-light);
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  margin-bottom: clamp(34px, 6vw, 60px);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 8px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  border-radius: 2px;
  background: var(--faq-tone);
}

.page-faq .faq-group__num {
  align-self: center;
  padding: 4px 11px 3px;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .16em;
  color: var(--faq-tone);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(19px, 4.6vw, 26px);
  line-height: 1.38;
  letter-spacing: -.005em;
  color: var(--ink-blue);
}

.page-faq .faq-group__hint {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- 问答条目 ---------- */

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--ink);
  transition: color .22s var(--ease);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 10px;
}

.page-faq .qa__q-text {
  flex: 1 1 auto;
  font-size: clamp(15px, 3.8vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
}

.page-faq .qa__q:hover .qa__q-text {
  color: var(--wine);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  transition: background .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--faq-tone);
  transform: translate(-50%, -50%);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .qa__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .qa[open] .qa__mark {
  background: var(--faq-tone);
  border-color: var(--faq-tone);
}

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

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

/* ---------- 答案 ---------- */

.page-faq .qa__a {
  padding: 0 2px 20px;
}

.page-faq .qa__lead {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.72;
  color: var(--ink-blue);
}

.page-faq .qa__points {
  counter-reset: pt;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .qa__points li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  column-gap: 9px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-faq .qa__points li::before {
  counter-increment: pt;
  content: counter(pt, decimal-leading-zero);
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--faq-tone);
}

.page-faq .qa__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 15px;
}

/* ---------- 图片 ---------- */

.page-faq .faq-media {
  margin: 18px 0 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--sand);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-media figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, .6);
  font-size: 13px;
  line-height: 1.62;
  color: var(--text-mute);
}

.page-faq .faq-banner {
  margin: 18px 0 18px;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--sand);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: .88;
}

/* ---------- 桌面端：左右分栏问答墙 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-group__head {
    column-gap: 14px;
    padding-bottom: 16px;
  }

  .page-faq .qa {
    display: grid;
    grid-template-columns: var(--faq-aside) minmax(0, 1fr);
    column-gap: clamp(24px, 3.6vw, 52px);
    align-items: start;
  }

  .page-faq .qa:not([open]) .qa__q {
    grid-column: 1 / -1;
  }

  .page-faq .qa__q {
    padding: 20px 2px;
  }

  .page-faq .qa[open] .qa__q {
    padding-right: 16px;
  }

  .page-faq .qa__a {
    margin: 8px 0 16px;
    padding: 18px 20px 22px;
    border-radius: 14px;
    background: rgba(239, 230, 214, .58);
  }

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

@media (min-width: 1160px) {
  .page-faq .faq-hero {
    padding-left: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible {
    transform: none;
  }
}