.page-faq {
  background: var(--ink);
  color: var(--body);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 26px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.page-faq .breadcrumb-link {
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-faq .breadcrumb-link:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}
.page-faq .breadcrumb-sep {
  color: var(--line);
}
.page-faq .breadcrumb-current {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-mast {
  position: relative;
  padding: clamp(34px, 5vw, 64px) 0 clamp(30px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-mast::before {
  content: "";
  position: absolute;
  top: clamp(34px, 5vw, 64px);
  left: 0;
  width: 1px;
  height: clamp(80px, 12vw, 140px);
  background: linear-gradient(180deg, var(--gold), transparent);
}
.page-faq .faq-mast .eyebrow {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--celadon);
  padding-left: 22px;
  position: relative;
}
.page-faq .faq-mast .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-h1 {
  margin: 0 0 22px;
  padding-left: clamp(14px, 3vw, 26px);
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.18;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  padding-left: clamp(14px, 3vw, 26px);
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-left: clamp(14px, 3vw, 26px);
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--celadon);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(200, 160, 60, 0.08);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 5vw, 66px) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-group-head {
  margin-bottom: 26px;
}
.page-faq .faq-group-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-faq .faq-group-title {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 33px);
  line-height: 1.32;
  letter-spacing: 0.05em;
  color: var(--paper);
}
.page-faq .faq-group-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 1px;
  margin-top: 16px;
  background: var(--line);
}
.page-faq .faq-group-desc {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--celadon);
}

/* ---------- 条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease);
}
.page-faq .faq-item[open] {
  background: rgba(20, 43, 63, 0.55);
}
.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 18px 40px 18px 16px;
  position: relative;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary::marker {
  content: "";
}
.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 16px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
  transition: color var(--ease);
}
.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--gold-soft);
}

.page-faq .faq-num {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
  white-space: nowrap;
}
.page-faq .faq-q {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--paper);
  transition: color var(--ease);
}
.page-faq .faq-item > summary:hover .faq-q {
  color: var(--gold-soft);
}

.page-faq .faq-a {
  padding: 0 40px 22px 16px;
}
.page-faq .faq-a p {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 14.8px;
  line-height: 1.9;
  color: var(--body);
}
.page-faq .faq-a p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--gold-soft);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}
.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  border-color: var(--gold);
  background: rgba(200, 160, 60, 0.12);
  color: var(--paper);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.page-faq .faq-figure img {
  width: 100%;
  object-fit: cover;
}
.page-faq .faq-figcap {
  margin: 10px 4px 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--celadon);
}

/* ---------- 分辨率刻度 ---------- */
.page-faq .res-svg {
  display: block;
  width: 100%;
  max-width: 700px;
  height: auto;
  margin: 14px 0 4px;
}

/* ---------- 尾部 ---------- */
.page-faq .faq-tail {
  padding-top: clamp(32px, 4vw, 52px);
}
.page-faq .faq-tail-title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--celadon);
}
.page-faq .faq-tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-tail-links a {
  display: inline-flex;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}
.page-faq .faq-tail-links a:hover,
.page-faq .faq-tail-links a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(200, 160, 60, 0.08);
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-group {
    display: grid;
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }
  .page-faq .faq-group-head {
    position: sticky;
    top: 100px;
    margin-bottom: 0;
  }
  .page-faq .faq-group-desc {
    max-width: 20em;
  }
  .page-faq .faq-item > summary {
    padding: 22px 44px 22px 20px;
  }
  .page-faq .faq-a {
    padding: 0 44px 26px 20px;
  }
  .page-faq .faq-figure {
    grid-column: 2;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-lead {
    font-size: 17px;
  }
  .page-faq .faq-q {
    font-size: 16.5px;
  }
  .page-faq .faq-a p {
    font-size: 15.3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>