.page-faq {
  --accent: var(--summer);
  display: block;
}

.page-faq .breadcrumb {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
}
.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .3s var(--ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 4px 0 0;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero-copy .display {
  font-size: clamp(34px, 9.5vw, 82px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 900;
  margin: 14px 0 18px;
  color: var(--mist);
}

.page-faq .faq-hero-copy .lead {
  max-width: 40ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

.page-faq .faq-chips {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  font-size: 14px;
  color: var(--muted);
}
.page-faq .faq-chip b {
  font-family: var(--font-mono);
  font-size: 1.1em;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent, var(--mist));
}

.page-faq .faq-hero-media {
  margin: 0;
}
.page-faq .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}
.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 34px;
  margin-top: 46px;
  padding-bottom: 72px;
}

/* 问题索引 */
.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0 2px 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-index-list > li {
  flex: none;
}

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--accent);
  color: var(--pure);
}

.page-faq .faq-index-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.page-faq .faq-index-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 枝干 ---------- */
.page-faq .faq-branches {
  min-width: 0;
}

.page-faq .faq-branch {
  margin-top: 52px;
  scroll-margin-top: 26px;
}
.page-faq .faq-branch:first-of-type {
  margin-top: 0;
}

.page-faq .faq-branch-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.page-faq .faq-branch-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--accent);
}
.page-faq .faq-branch-head .section-title {
  margin: 0;
  font-size: clamp(21px, 4.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}
.page-faq .faq-branch-head::after {
  content: "";
  flex: 1 1 auto;
  min-width: 20px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: .45;
}

.page-faq .faq-branch-lead {
  margin: -6px 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46ch;
}

/* 问答卡片 */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.page-faq .faq-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.page-faq .faq-item[open] {
  border-color: var(--accent);
}
.page-faq .faq-item[open] .faq-q {
  color: var(--pure);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q::marker {
  content: "";
}
.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-faq .faq-q-dot {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.page-faq .faq-q-sign {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
  margin-top: 5px;
}
.page-faq .faq-q-sign::before,
.page-faq .faq-q-sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--muted);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.page-faq .faq-q-sign::after {
  transform: rotate(90deg);
}
.page-faq .faq-item[open] .faq-q-sign::before {
  background: var(--accent);
}
.page-faq .faq-item[open] .faq-q-sign::after {
  transform: rotate(0deg);
  background: var(--accent);
}

.page-faq .faq-a {
  padding: 0 18px 19px 39px;
}
.page-faq .faq-a p {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-faq .faq-a b {
  color: var(--mist);
  font-family: var(--font-mono);
  font-weight: 700;
}
.page-faq .faq-a a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.page-faq .faq-a a:hover {
  color: var(--pure);
  border-bottom-color: var(--pure);
}

/* 反馈闭环图 */
.page-faq .faq-flow {
  margin: 22px 0 0;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-ask {
  position: relative;
  overflow: hidden;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}
.page-faq .faq-ask::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grow);
}
.page-faq .faq-ask-text {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-ask-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.page-faq .faq-ask-meta {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
  word-break: break-word;
}

.page-faq .copy-btn {
  position: relative;
}
.page-faq .copy-hint {
  margin-left: 8px;
  font-size: 12px;
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.page-faq .copy-btn.is-copied .copy-hint {
  opacity: 1;
}

/* ---------- 收尾枝条 ---------- */
.page-faq .faq-tail {
  margin-top: 42px;
}
.page-faq .faq-tail svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 44px;
  }
  .page-faq .faq-q {
    font-size: 17px;
    padding: 19px 22px;
  }
  .page-faq .faq-a {
    padding: 0 22px 21px 43px;
  }
  .page-faq .faq-ask {
    padding: 32px 30px 28px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    margin-top: 58px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 40px;
    align-self: start;
  }
  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }
  .page-faq .faq-index-link {
    width: 100%;
    padding: 11px 12px;
    border-color: transparent;
    border-radius: var(--r-sm);
    background: transparent;
    white-space: normal;
    box-shadow: inset 3px 0 0 transparent;
  }
  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    background: var(--ink-2);
    border-color: transparent;
    box-shadow: inset 3px 0 0 var(--accent);
  }
  .page-faq .faq-index-count {
    margin-left: auto;
  }
  .page-faq .faq-branch {
    margin-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index-link,
  .page-faq .faq-q-sign::before,
  .page-faq .faq-q-sign::after,
  .page-faq .copy-hint {
    transition: none;
  }
  .page-faq .faq-item:hover {
    transform: none;
  }
}
<<<END>>>