.page-faq {
  --faq-card: #241E2E;
  --faq-line: #8E5B9E;
  --faq-dim: #C9A8D7;
  --faq-bright: #F5EFF7;
  --faq-cyan: #00D4FF;
  --faq-green: #39FF14;
  background: #2B0F3B;
  color: #F5EFF7;
}

/* 顶部横幅 */
.page-faq .faq-hero {
  padding: 28px 16px 24px;
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.07) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(315deg, rgba(57, 255, 20, 0.05) 25%, transparent 25%) 0 0 / 22px 22px,
    #2B0F3B;
  border-bottom: 2px solid var(--faq-line);
}
.page-faq .faq-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}
.page-faq .faq-hero__lead {
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-dim);
  margin: 12px 0 0;
  max-width: 720px;
}
.page-faq .faq-hero__tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-hero__tags .tag {
  font-size: 13px;
  padding: 4px 12px;
}
.page-faq .faq-hero__visual {
  border: 1px solid var(--faq-line);
  background: #1C0A29;
  overflow: hidden;
}
.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 本页快速导航 */
.page-faq .faq-toc {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #241E2E;
  border: 1px solid var(--faq-line);
  color: var(--faq-bright);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-color: var(--faq-cyan);
  color: var(--faq-cyan);
  background: #1C0A29;
}

/* 区块通用 */
.page-faq .section {
  padding: 28px 16px;
}
.page-faq .section--a {
  border-top: 2px solid var(--faq-green);
  border-bottom: 2px solid var(--faq-green);
}
.page-faq .section--b {
  border-top: 2px solid var(--faq-cyan);
  border-bottom: 2px solid var(--faq-cyan);
}
.page-faq .section-kicker {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--faq-green);
  margin: 0 0 6px;
  text-transform: uppercase;
}
.page-faq .section-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-dim);
  margin: 10px 0 0;
}

/* 快速入门 */
.page-faq .quick-start {
  background: #1C0A29;
  border-top: 2px solid var(--faq-line);
  border-bottom: 2px solid var(--faq-line);
}
.page-faq .quick-start__header {
  max-width: 1200px;
  margin: 0 auto 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.page-faq .quick-start__layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.page-faq .quick-steps__grid {
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-faq .step-card {
  position: relative;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--faq-cyan);
  padding: 18px 16px 16px;
  margin: 0;
  min-height: 180px;
}
.page-faq .step-card:nth-child(2) {
  border-left-color: var(--faq-green);
}
.page-faq .step-card:nth-child(3) {
  border-left-color: #FF8C00;
}
.page-faq .step-card:nth-child(4) {
  border-left-color: #FFC300;
}
.page-faq .step-card__num {
  display: block;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-cyan);
  margin-bottom: 10px;
}
.page-faq .step-card:nth-child(2) .step-card__num {
  color: var(--faq-green);
}
.page-faq .step-card:nth-child(3) .step-card__num {
  color: #FF8C00;
}
.page-faq .step-card:nth-child(4) .step-card__num {
  color: #FFC300;
}
.page-faq .step-card .card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-bright);
  margin: 0 0 8px;
}
.page-faq .step-card__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--faq-dim);
  margin: 0 0 12px;
}
.page-faq .step-card__desc a {
  color: var(--faq-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .step-card .status-badge {
  margin-top: auto;
}
.page-faq .quick-start__figure {
  order: 2;
  margin: 0;
  border: 1px solid var(--faq-line);
  background: #241E2E;
}
.page-faq .quick-start__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* FAQ 搜索区与问答 */
.page-faq .faq-search-zone {
  background: #2B0F3B;
}
.page-faq .faq-section__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
  align-items: start;
}
.page-faq .faq-section__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-faq .faq-section__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-cyan);
}
.page-faq .faq-item[open] {
  border-left-color: var(--faq-green);
}
.page-faq .faq-item__summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--faq-bright);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-cyan);
}
.page-faq .faq-item[open] .faq-item__summary::after {
  content: "–";
  color: var(--faq-green);
}
.page-faq .faq-item__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-dim);
}
.page-faq .faq-item__body p {
  margin: 0;
}
.page-faq .faq-item__body a {
  color: var(--faq-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-search-empty {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
  font-size: 14px;
  color: var(--faq-dim);
  text-align: center;
  border: 1px dashed var(--faq-line);
}

/* 标签云 */
.page-faq .faq-demo-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--faq-line);
  background: rgba(36, 30, 46, 0.5);
}
.page-faq .faq-demo-cloud .tag {
  font-size: 13px;
  padding: 5px 12px;
}

/* 移动端适配 */
.page-faq .mobile-section__header {
  max-width: 1200px;
  margin: 0 auto 20px;
}
.page-faq .mobile-compare {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.page-faq .compare-table__wrap {
  overflow-x: auto;
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
}
.page-faq .compare-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
}
.page-faq .compare-table th,
.page-faq .compare-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--faq-line);
  border-right: 1px solid rgba(142, 91, 158, 0.35);
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
}
.page-faq .compare-table th {
  background: #1C0A29;
  color: var(--faq-bright);
  font-weight: 700;
  white-space: nowrap;
}
.page-faq .compare-table td:first-child {
  font-weight: 700;
  color: var(--faq-cyan);
  white-space: nowrap;
}
.page-faq .compare-table tbody tr:last-child td {
  border-bottom: none;
}
.page-faq .compare-table tbody tr:nth-child(even) td {
  background: rgba(0, 212, 255, 0.04);
}
.page-faq .mobile-section__figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: #1C0A29;
}
.page-faq .mobile-section__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .sync-notice {
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #0F3A2E;
  border: 1px solid rgba(57, 255, 20, 0.45);
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-dim);
}
.page-faq .sync-notice strong {
  color: var(--faq-bright);
}
.page-faq .sync-notice__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--faq-green);
  box-shadow: 0 0 8px var(--faq-green);
}

/* 反馈与帮助 */
.page-faq .feedback-section__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.page-faq .feedback-copy {
  margin-bottom: 20px;
}
.page-faq .feedback-copy a {
  color: var(--faq-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-faq .contact-card {
  background: rgba(74, 16, 24, 0.72);
  border: 1px solid var(--faq-line);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 4px solid var(--faq-cyan);
}
.page-faq .contact-card--link {
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.page-faq .contact-card--link:hover,
.page-faq .contact-card--link:focus-visible {
  border-color: var(--faq-green);
  background: rgba(57, 255, 20, 0.08);
}
.page-faq .contact-card--note {
  border-left-color: var(--faq-green);
}
.page-faq .contact-card__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faq-dim);
}
.page-faq .contact-card__value {
  font-size: 16px;
  font-weight: 700;
  color: var(--faq-bright);
  word-break: break-all;
}
.page-faq .contact-card__scope {
  font-size: 12px;
  color: var(--faq-dim);
  margin-top: 2px;
}
.page-faq .feedback-visual {
  margin-top: 20px;
  border: 1px solid var(--faq-line);
  overflow: hidden;
  background: #1C0A29;
}
.page-faq .feedback-visual__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 页面底部信息 */
.page-faq .faq-footnote {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
  font-size: 12px;
  color: var(--faq-dim);
  text-align: center;
}

/* 桌面端布局 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 40px 32px 32px;
  }
  .page-faq .faq-hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
  .page-faq .faq-hero__lead {
    font-size: 15px;
  }
  .page-faq .faq-toc {
    padding: 20px 32px;
  }
  .page-faq .section {
    padding: 44px 32px;
  }
  .page-faq .quick-start__layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
  }
  .page-faq .quick-steps__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .quick-start__figure {
    order: unset;
  }
  .page-faq .faq-section__inner {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 40px;
  }
  .page-faq .faq-section__side {
    position: sticky;
    top: 20px;
  }
  .page-faq .mobile-compare {
    grid-template-columns: minmax(0, 1fr) 520px;
    align-items: start;
  }
  .page-faq .contact-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .contact-card {
    min-height: 140px;
  }
}