.page-faq {
  --faq-accent-blue: var(--cat-blue);
  --faq-accent-orange: var(--cat-orange);
  --faq-accent-violet: var(--cat-violet);
  --faq-accent-live: var(--live-blue);
  --faq-hero-line: var(--hot-yellow);
  --faq-section-radius: 24px;
  background: var(--page-bg);
  color: var(--text-main);
}

/* 顶部标题带 */
.page-faq .faq-hero {
  background: var(--page-bg-cool);
  padding: 16px 16px 24px;
  border-bottom: 4px solid var(--faq-hero-line);
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-second);
}

.page-faq .faq-breadcrumb a {
  color: var(--faq-accent-live);
  text-decoration: none;
}

.page-faq .faq-breadcrumb .indexline-divider {
  color: var(--border-soft);
}

.page-faq .faq-hero h1 {
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
}

.page-faq .faq-lead {
  margin: 8px 0 0;
  color: var(--text-second);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 主体布局 */
.page-faq .faq-layout {
  padding: 16px;
}

/* 侧边问题分类 */
.page-faq .faq-side-index {
  background: var(--dark-bg);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 20px;
}

.page-faq .faq-index-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.page-faq .faq-index-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-faq .faq-index-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--neon-magenta);
  color: #fff;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-index-list a {
  display: block;
  padding: 10px 14px;
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  transition: background var(--transition), color var(--transition);
}

.page-faq .faq-index-list a:hover {
  background: rgba(0, 255, 255, 0.15);
  color: var(--neon-cyan);
}

.page-faq .faq-side-extra {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-side-extra-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-green);
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.page-faq .faq-quick-link {
  display: block;
  padding: 8px 12px;
  color: #fff;
  text-decoration: none;
  font-size: 0.88rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition), color var(--transition);
}

.page-faq .faq-quick-link:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.page-faq .faq-index-foot {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 右侧内容 */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  background: var(--surface);
  border-radius: var(--faq-section-radius);
  padding: 24px 16px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-section-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.page-faq .faq-section-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--faq-accent-violet);
  line-height: 1;
  background: rgba(138, 43, 226, 0.1);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-faq .faq-section-head h2 {
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0;
  line-height: 1.3;
}

.page-faq .faq-section-desc {
  margin: 6px 0 0;
  color: var(--text-second);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 56ch;
}

/* 步骤条 */
.page-faq .faq-steps-img {
  display: block;
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: var(--radius-md);
  margin: 0 0 16px;
}

.page-faq .faq-step-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.page-faq .faq-step-card {
  background: var(--page-bg-cool);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--border-soft);
}

.page-faq .faq-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--faq-accent-blue);
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 10px;
}

.page-faq .faq-step-card:last-child .faq-step-num {
  background: var(--faq-accent-orange);
}

.page-faq .faq-step-card h3 {
  font-size: 1.05rem;
  margin: 0 0 6px;
}

.page-faq .faq-step-card p {
  margin: 0;
  color: var(--text-second);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-faq .faq-step-arrow {
  display: flex;
  justify-content: center;
  color: var(--hot-coral);
  font-size: 1.4rem;
  line-height: 1;
  transform: rotate(90deg);
  margin: 2px 0;
}

.page-faq .faq-tip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 清晰度 */
.page-faq .faq-quality-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-faq .faq-quality-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius-md);
}

.page-faq .faq-quality-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-quality-table th {
  background: var(--dark-bg);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  padding: 12px 10px;
  text-align: left;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
}

.page-faq .faq-quality-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-main);
}

.page-faq .faq-quality-table tbody tr:nth-child(even) td {
  background: var(--page-bg-cool);
}

.page-faq .faq-q-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--quality-orange);
}

.page-faq .faq-q-360 {
  background: #8a8f98;
}

.page-faq .faq-q-480 {
  background: #6b8e23;
}

.page-faq .faq-q-720 {
  background: #1e90ff;
}

.page-faq .faq-q-1080 {
  background: #8a2be2;
}

.page-faq .faq-q-1080plus {
  background: #ff8c00;
}

.page-faq .faq-quality-note {
  margin: 16px 0 0;
  color: var(--text-second);
  font-size: 0.88rem;
  line-height: 1.6;
  border-left: 4px solid var(--quality-orange);
  padding-left: 12px;
}

/* 回放查找路径 */
.page-faq .faq-path-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  background: var(--dark-bg);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.page-faq .faq-path-node {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-green);
  background: rgba(173, 255, 47, 0.1);
  border: 1px solid rgba(173, 255, 47, 0.3);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.page-faq .faq-path-arrow {
  color: var(--neon-magenta);
  font-size: 0.9rem;
}

/* Q&A 卡片 */
.page-faq .faq-qa-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--faq-accent-live);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.page-faq .faq-qa-card summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 700;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

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

.page-faq .faq-qa-card summary:hover {
  background: rgba(0, 128, 255, 0.04);
}

.page-faq .faq-qa-card summary::after {
  content: "−";
  margin-left: auto;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--faq-accent-live);
}

.page-faq .faq-qa-card[open] summary::after {
  color: var(--faq-accent-orange);
}

.page-faq .faq-qa-body {
  padding: 0 16px 14px;
  color: var(--text-second);
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-faq .faq-qa-body p {
  margin: 0 0 8px;
}

.page-faq .faq-qa-body a {
  color: var(--faq-accent-live);
  text-decoration: none;
  border-bottom: 1px solid var(--border-soft);
}

.page-faq .faq-qa-timeline {
  border-left-color: var(--quality-orange);
}

.page-faq .faq-qa-track {
  border-left-color: var(--success-green);
}

.page-faq .faq-qa-free {
  border-left-color: var(--neon-green);
}

.page-faq .faq-qa-error {
  border-left-color: var(--hot-coral);
}

.page-faq .faq-qa-feedback {
  border-left-color: var(--hot-yellow);
}

/* 投屏与终端 */
.page-faq .faq-device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-device-card {
  background: var(--page-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px;
}

.page-faq .faq-device-card h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  display: inline-block;
  padding: 2px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 191, 255, 0.12);
  color: var(--text-main);
}

.page-faq .faq-device-card p {
  margin: 0;
  color: var(--text-second);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-faq .faq-device-card-highlight {
  border: 2px solid var(--hot-yellow);
  background: var(--surface);
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 18px 40px 28px;
  }

  .page-faq .faq-hero h1 {
    font-size: 1.9rem;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 24px 40px 48px;
  }

  .page-faq .faq-side-index {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
    padding: 20px;
  }

  .page-faq .faq-index-list a {
    padding: 12px 16px;
  }

  .page-faq .faq-section {
    padding: 32px 28px;
    margin-bottom: 24px;
  }

  .page-faq .faq-step-row {
    flex-direction: row;
    align-items: center;
    gap: 14px;
  }

  .page-faq .faq-step-card {
    flex: 1;
  }

  .page-faq .faq-step-arrow {
    transform: none;
    font-size: 1.8rem;
    margin: 0;
    padding: 0 4px;
  }

  .page-faq .faq-quality-wrap {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-faq .faq-quality-table {
    flex: 1;
  }

  .page-faq .faq-device-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}