.page-faq {
  --faq-line: rgba(55, 230, 212, 0.16);
  --faq-line-soft: rgba(124, 140, 150, 0.2);
  --faq-panel: rgba(11, 42, 69, 0.62);
  --faq-ink-soft: rgba(242, 247, 247, 0.78);
  padding-bottom: 96px;
}

.page-faq .breadcrumb {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 8px;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(18, 63, 94, 0.9) 0%, rgba(6, 24, 38, 0) 62%),
    linear-gradient(180deg, rgba(11, 42, 69, 0.45) 0%, rgba(6, 24, 38, 0) 100%);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero-text h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 6.4vw, 58px);
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--salt);
}

.page-faq .faq-hero-lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero-meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-faq .faq-hero-media {
  margin: 0;
}

.page-faq .faq-hero-media .media-frame {
  border: 1px solid var(--faq-line);
}

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

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 40px;
  margin-top: 52px;
}

/* ---------- 左侧仪表盘 ---------- */
.page-faq .faq-side-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-faq .faq-side-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-side-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 4px 12px 12px;
  border-bottom: 1px solid var(--faq-line-soft);
  border-left: 1px solid transparent;
  color: var(--faq-ink-soft);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-side-num {
  font-size: 11px;
  color: var(--rock);
  letter-spacing: 0.08em;
}

.page-faq .faq-side-name {
  flex: 1;
}

.page-faq .faq-side-count {
  font-size: 11px;
  color: var(--rock);
}

.page-faq .faq-side-link:hover,
.page-faq .faq-side-link:focus-visible {
  color: var(--mist);
  border-left-color: var(--cyan);
  background-color: rgba(55, 230, 212, 0.06);
}

.page-faq .faq-side-card {
  margin-top: 24px;
  padding: 18px 16px;
  background: var(--faq-panel);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-side-card-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-faq .faq-side-card-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
}

.page-faq .faq-side-card-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 问答画布 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group-index {
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1;
  color: rgba(55, 230, 212, 0.32);
  letter-spacing: 0.04em;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(19px, 2.6vw, 25px);
  letter-spacing: 0.06em;
  color: var(--salt);
}

.page-faq .faq-group-count {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
  white-space: nowrap;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item[open] {
  border-bottom-color: var(--faq-line);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 40px 18px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--salt);
  transition: color 0.18s ease;
}

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

.page-faq .faq-q:hover .faq-q-text,
.page-faq .faq-item[open] .faq-q-text {
  color: var(--mist);
}

.page-faq .faq-q-num {
  flex: none;
  min-width: 22px;
  padding-top: 3px;
  font-size: 11px;
  color: var(--rock);
  letter-spacing: 0.06em;
}

.page-faq .faq-q-text {
  flex: 1;
  font-weight: 500;
  transition: color 0.18s ease;
}

.page-faq .faq-q-icon {
  position: absolute;
  right: 6px;
  top: 26px;
  width: 12px;
  height: 12px;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q-icon::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 1px;
}

.page-faq .faq-q-icon::after {
  left: 5px;
  top: 0;
  width: 1px;
  height: 12px;
}

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

.page-faq .faq-a {
  padding: 0 4px 22px 32px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-a .faq-a-lead {
  color: var(--mist);
  margin-bottom: 8px;
}

.page-faq .faq-inline-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(167, 243, 234, 0.4);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-figure {
  margin: 22px 0 0;
}

.page-faq .faq-figure .media-frame {
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-figure-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-help {
  margin-top: 64px;
  padding: 28px 20px;
  background:
    linear-gradient(148deg, rgba(18, 63, 94, 0.92) 0%, rgba(11, 42, 69, 0.55) 78%),
    repeating-linear-gradient(115deg, rgba(55, 230, 212, 0.05) 0 1px, transparent 1px 26px);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-help-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-help-index {
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1;
  color: rgba(255, 122, 89, 0.5);
  letter-spacing: 0.04em;
}

.page-faq .faq-help-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: 0.06em;
  color: var(--salt);
}

.page-faq .faq-help-lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-help-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .faq-help-list li {
  padding-left: 12px;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-help-key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-help-val {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-help-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-help-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-faq .faq-help-mail {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.4vw, 22px);
  color: var(--salt);
  word-break: break-all;
}

.page-faq .faq-help-note {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .faq-help-legal {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 焦点可见 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-a {
    padding-left: 34px;
  }

  .page-faq .faq-help {
    padding: 36px 32px;
  }

  .page-faq .faq-help-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-help-contact {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 40px 0 12px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 52px;
  }

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

  .page-faq .faq-layout {
    margin-top: 64px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-a {
    padding-right: 48px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side-link,
  .page-faq .faq-q,
  .page-faq .faq-q-text,
  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after {
    transition: none;
  }
}
<<<END>>>