.page-faq {
  --faq-card: #FFFFFF;
  --faq-muted: #4E625A;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 3.5rem;
}

.page-faq .faq-wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

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

.page-faq .breadcrumb {
  margin: 1.25rem 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.page-faq .breadcrumb a {
  color: var(--celadon);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 1.4rem;
  padding: 1.6rem 1.15rem 1.35rem;
  border-radius: var(--radius-xl);
  background: var(--green-deep);
  background-image: radial-gradient(circle at 88% 8%, rgba(201, 166, 91, 0.24), transparent 58%),
    radial-gradient(circle at 4% 92%, rgba(95, 145, 140, 0.3), transparent 54%);
  color: var(--ivory);
  margin-bottom: 2.2rem;
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold-light);
}

.page-faq .faq-hero h1 {
  margin: 0.55rem 0 0.9rem;
  font-family: var(--font-head);
  font-size: clamp(1.72rem, 6.4vw, 3rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ivory);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 0 0 1.15rem;
  max-width: 48ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(231, 206, 148, 0.34);
}

.page-faq .faq-hero__caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 2.4rem;
    padding: 2.6rem 2.4rem;
  }
}

/* ---------- 章节头 ---------- */
.page-faq .faq-sec {
  margin-top: 2.6rem;
}

.page-faq .faq-head {
  margin-bottom: 1.25rem;
}

.page-faq .faq-head h2 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-head);
  font-size: clamp(1.38rem, 4.4vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--green-deep);
  text-wrap: balance;
}

.page-faq .faq-head__lede {
  margin: 0;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--faq-muted);
}

/* ---------- 问答墙 ---------- */
.page-faq .qa-wall {
  display: grid;
  gap: 1.2rem;
}

.page-faq .qa-index {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--green-deep);
  background-image: radial-gradient(circle at 84% 12%, rgba(201, 166, 91, 0.2), transparent 62%);
}

.page-faq .qa-index__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.16em;
  color: var(--gold-light);
}

.page-faq .qa-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.page-faq .qa-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.42rem;
  padding: 0.4rem 0.72rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(169, 196, 191, 0.28);
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .qa-index a:hover,
.page-faq .qa-index a:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--green-deep);
  transform: translateY(-2px);
}

.page-faq .qa-index__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--gold-light);
}

.page-faq .qa-index a:hover .qa-index__num,
.page-faq .qa-index a:focus-visible .qa-index__num {
  color: var(--green-deep);
}

.page-faq .qa-list {
  display: grid;
  gap: 0.7rem;
}

.page-faq .qa {
  padding: 0 1rem;
  border: 1px solid var(--sand);
  border-radius: var(--radius-lg);
  background: var(--faq-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-faq .qa:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .qa[open] {
  border-color: var(--gold);
  box-shadow: var(--shadow-soft);
}

.page-faq .qa > summary {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1.01rem;
  line-height: 1.5;
  color: var(--green-deep);
  transition: color 0.2s ease;
}

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

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

.page-faq .qa > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--vermillion);
}

.page-faq .qa[open] > summary::after {
  content: "−";
}

.page-faq .qa__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--vermillion);
}

.page-faq .qa__q {
  flex: 1 1 auto;
}

.page-faq .qa__body {
  padding: 0 0 1rem;
  margin-top: 0;
  border-top: 1px dashed var(--sand);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--green-ink);
}

.page-faq .qa__body p {
  margin: 0.85rem 0 0;
}

.page-faq .qa__body a {
  color: var(--vermillion-dark);
  text-underline-offset: 3px;
}

.page-faq .qa__body a:hover {
  color: var(--vermillion);
}

.page-faq .qa:target {
  border-color: var(--vermillion);
}

.page-faq .qa:target > summary {
  color: var(--vermillion-dark);
}

@media (min-width: 900px) {
  .page-faq .qa-wall {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-faq .qa-index {
    position: sticky;
    top: 6.5rem;
    padding: 1.1rem 1rem;
  }

  .page-faq .qa-index ol {
    display: grid;
    gap: 0.2rem;
  }

  .page-faq .qa-index a {
    display: flex;
    padding: 0.46rem 0.55rem;
    border-color: transparent;
    border-radius: var(--radius-md);
  }
}

/* ---------- 订阅与收藏 ---------- */
.page-faq .sub-grid {
  display: grid;
  gap: 1rem;
}

.page-faq .sub-card {
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--sand);
  border-left: 4px solid var(--celadon);
  border-radius: var(--radius-lg);
  background: var(--faq-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-faq .sub-card:nth-child(2) {
  border-left-color: var(--gold);
}

.page-faq .sub-card:hover {
  transform: translateY(-2px);
  border-color: var(--celadon);
}

.page-faq .sub-card__num {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--vermillion);
}

.page-faq .sub-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-head);
  font-size: 1.14rem;
  line-height: 1.4;
  color: var(--green-deep);
}

.page-faq .sub-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--faq-muted);
}

.page-faq .sub-demo {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg);
  background: var(--green-ink);
  background-image: linear-gradient(115deg, rgba(95, 145, 140, 0.28), transparent 58%);
  color: var(--ivory);
}

.page-faq .sub-demo__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .sub-demo__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 760px) {
  .page-faq .sub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .sub-demo {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.05rem 1.4rem;
  }
}

/* ---------- 使用记录 ---------- */
.page-faq .record {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--sand);
  border-radius: var(--radius-xl);
  background: var(--faq-card);
}

.page-faq .record-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-content: start;
}

.page-faq .record-switch__item {
  display: block;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--sand);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--green-deep);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .record-switch__item:hover,
.page-faq .record-switch__item:focus-visible {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ivory);
}

.page-faq .record-panel {
  display: none;
}

.page-faq .record-panels .record-panel:first-child {
  display: block;
}

.page-faq .record-panels:has(.record-panel:target:not(:first-child)) .record-panel:first-child {
  display: none;
}

.page-faq .record-panels .record-panel:target {
  display: block;
}

.page-faq .record-panel h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--green-deep);
}

.page-faq .record-panel > p {
  margin: 0 0 0.9rem;
  font-size: 0.91rem;
  line-height: 1.82;
  color: var(--faq-muted);
}

.page-faq .record-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-faq .record-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.8rem;
  align-items: baseline;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--celadon);
  background: rgba(95, 145, 140, 0.11);
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-faq .record-list span {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-faq .record-list strong {
  font-weight: 500;
  color: var(--green-deep);
}

.page-faq .record-figure {
  margin: 1.1rem 0 0;
}

.page-faq .record-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--sand);
}

.page-faq .record-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.04em;
  color: var(--faq-muted);
}

@media (min-width: 900px) {
  .page-faq .record {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 1.6rem;
    padding: 1.5rem;
    align-items: start;
  }

  .page-faq .record-switch {
    flex-direction: column;
    gap: 0.3rem;
  }
}

/* ---------- 设备与访问 ---------- */
.page-faq .device-grid {
  display: grid;
  gap: 1rem;
}

.page-faq .device-card {
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--sand);
  border-radius: var(--radius-lg);
  background: var(--faq-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-faq .device-card:hover {
  transform: translateY(-2px);
  border-color: var(--celadon);
}

.page-faq .device-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--green-deep);
}

.page-faq .device-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--faq-muted);
}

@media (min-width: 760px) {
  .page-faq .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 联系支持 ---------- */
.page-faq .support-grid {
  display: grid;
  gap: 1rem;
}

.page-faq .support-main {
  padding: 1.4rem 1.2rem;
  border-radius: var(--radius-xl);
  background: var(--green-deep);
  background-image: radial-gradient(circle at 90% 6%, rgba(201, 166, 91, 0.22), transparent 60%);
  color: var(--ivory);
}

.page-faq .support-main h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-head);
  font-size: 1.18rem;
  line-height: 1.4;
  color: var(--ivory);
}

.page-faq .support-main p {
  margin: 0 0 1.1rem;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .support-list {
  margin: 0;
  padding: 0;
  border: 1px solid var(--sand);
  border-radius: var(--radius-xl);
  background: var(--faq-card);
  overflow: hidden;
}

.page-faq .support-list > div {
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid var(--sand);
}

.page-faq .support-list > div:last-child {
  border-bottom: 0;
}

.page-faq .support-list dt {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-faq .support-list dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--green-deep);
  word-break: break-word;
}

@media (min-width: 860px) {
  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .sub-card,
  .page-faq .device-card,
  .page-faq .qa-index a {
    transition: none;
  }

  .page-faq .qa:hover,
  .page-faq .sub-card:hover,
  .page-faq .device-card:hover,
  .page-faq .qa-index a:hover {
    transform: none;
  }
}