.page-faq {
  --faq-soft: #D6D2C8;
  --faq-rail: 208px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
  padding-block: clamp(28px, 5vw, 64px) clamp(32px, 5vw, 68px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--mist);
  margin: 18px 0 0;
}

.page-faq .faq-hero__lede {
  margin-top: clamp(18px, 3vw, 28px);
  color: var(--faq-soft);
  max-width: 58ch;
}

.page-faq .faq-hero__meta {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
  line-height: 1.9;
}

.page-faq .faq-hero__media {
  position: relative;
  border: 1px solid var(--line-hair);
  background: var(--char);
  overflow: hidden;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(198, 161, 91, 0.22);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.62) brightness(0.82);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.72fr);
    gap: clamp(36px, 5vw, 76px);
  }
}

/* ---------- 章节标题 ---------- */
.page-faq .faq-sec-head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-sec-head h2,
.page-faq .faq-cats__title,
.page-faq .faq-help h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.25;
  color: var(--mist);
  margin: 0;
}

.page-faq .faq-sec-head__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

/* ---------- 置顶三条 ---------- */
.page-faq .faq-pinned {
  border-top: 1px solid var(--line-hair);
  padding-block: clamp(36px, 5vw, 68px);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border-left: 3px solid transparent;
  transition: border-color 0.24s var(--ease);
}

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

.page-faq .faq-item > summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  background: var(--glass);
  border: 1px solid var(--line-hair);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--gold);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--gold-hi);
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  border-color: var(--gold);
  background: rgba(198, 161, 91, 0.09);
}

.page-faq .faq-item[open] > summary {
  background: var(--char);
  border-color: var(--line-deep);
  border-bottom-color: transparent;
}

.page-faq .faq-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(0.98rem, 1.5vw, 1.05rem);
  line-height: 1.55;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-item__body {
  padding: 18px 18px 22px;
  background: var(--char);
  border: 1px solid var(--line-deep);
  border-top: 0;
  color: var(--faq-soft);
  font-size: 0.98rem;
  line-height: 1.78;
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  max-width: 62ch;
}

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

.page-faq .faq-item__body ol,
.page-faq .faq-item__body ul {
  margin: 0 0 14px;
  padding-left: 1.25em;
}

.page-faq .faq-item__body li {
  margin-bottom: 6px;
}

.page-faq .faq-item__body li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.85em;
}

.page-faq .faq-item__body a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-item__body a:hover {
  border-bottom-color: var(--gold-hi);
}

/* ---------- 主体：类别栏 + 问答流 ---------- */
.page-faq .faq-main {
  border-top: 1px solid var(--line-hair);
  padding-block: clamp(36px, 5vw, 68px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-cats {
  display: grid;
  gap: 12px;
}

.page-faq .faq-cats__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
}

.page-faq .faq-cats__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-faq .faq-cats__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-cat {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line-hair);
  border-radius: 999px;
  background: var(--glass);
  color: var(--mist);
  font-family: var(--font-head);
  font-size: 0.9rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--gold);
  background: rgba(198, 161, 91, 0.12);
  color: var(--gold-hi);
}

.page-faq .faq-cat__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 分组 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5vw, 60px);
}

.page-faq .faq-group__head {
  position: relative;
  margin-bottom: 18px;
  padding: 0 0 12px 14px;
  border-bottom: 1px solid var(--line-deep);
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 15px;
  width: 3px;
  background: var(--gold);
}

.page-faq .faq-group__head h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-group--search .faq-group__head::before,
.page-faq .faq-group--download .faq-group__head::before {
  background: var(--ochre);
}

.page-faq .faq-group--search .faq-group__head h3,
.page-faq .faq-group--download .faq-group__head h3 {
  color: #C97B52;
}

.page-faq .faq-group--subscribe .faq-group__head::before {
  background: var(--blue);
}

.page-faq .faq-group--subscribe .faq-group__head h3 {
  color: #7FA9C7;
}

.page-faq .faq-media {
  margin-bottom: 20px;
  border: 1px solid var(--line-hair);
  background: var(--char);
  overflow: hidden;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.8);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  border-top: 1px solid var(--line-hair);
  padding-block: clamp(40px, 6vw, 84px);
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-help__text h2 {
  margin-top: 10px;
}

.page-faq .faq-help__text > p {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--faq-soft);
  line-height: 1.78;
}

.page-faq .faq-help__list {
  margin: 18px 0 0;
  padding-left: 1.25em;
  color: var(--faq-soft);
  line-height: 1.9;
}

.page-faq .faq-help__list li::marker {
  color: var(--gold);
}

.page-faq .faq-help__note {
  font-size: 0.9rem;
  color: var(--stone);
}

.page-faq .faq-help .btn {
  margin-top: 22px;
  display: inline-block;
  text-decoration: none;
}

.page-faq .faq-help__panel {
  padding: clamp(20px, 3vw, 30px);
  background: var(--char);
  border: 1px solid var(--line-deep);
}

.page-faq .faq-help__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-help__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2vw, 1.05rem);
  letter-spacing: 0.01em;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-faq .faq-help__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--mist);
  line-height: 1.7;
}

.page-faq .faq-help__panel .rule {
  margin: 18px 0;
  height: 1px;
  background: var(--line-deep);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-cats {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-faq .faq-cats__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-cat {
    border-radius: 2px;
    justify-content: flex-start;
    width: 100%;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-cat {
    transition: none;
  }
}
<<<END>>>