.page-faq {
  --faq-shadow: 6px 6px 0 rgba(31, 26, 23, 0.16);
  --faq-border: 2px solid var(--color-border);
  position: relative;
}

.page-faq .container {
  width: min(1240px, 100% - 32px);
  margin-inline: auto;
}

/* ===== Hero 区 ===== */
.page-faq .faq-hero {
  color: var(--color-text-light);
  padding: 28px 0 36px;
  border-bottom: 4px solid var(--color-border);
}

.page-faq .faq-hero .breadcrumbs {
  color: rgba(255, 250, 243, 0.78);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--color-accent-yellow);
  text-decoration: none;
  font-weight: 700;
}

.page-faq .faq-hero .breadcrumbs .sep {
  margin: 0 8px;
  opacity: 0.7;
  font-family: var(--font-mono);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 24px;
  align-items: end;
}

.page-faq .faq-hero-text .section-kicker {
  color: var(--color-accent-yellow);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.12em;
}

.page-faq .faq-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  color: var(--color-text-light);
}

.page-faq .faq-lede {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 250, 243, 0.84);
  max-width: 56ch;
  margin: 0;
}

.page-faq .faq-hero-side {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 250, 243, 0.22);
  padding: 14px 16px;
}

.page-faq .faq-hero-tags-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent-yellow);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero-tags .tag {
  border: 1px solid currentColor;
  border-radius: 0;
  font-size: 12px;
  padding: 4px 10px;
}

/* ===== 双栏布局 ===== */
.page-faq .faq-shell {
  display: grid;
  gap: 24px;
  padding-block: 32px 56px;
}

/* ===== 左栏目录 ===== */
.page-faq .faq-toc {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .toc-card {
  background: var(--color-card-cream);
  border: var(--faq-border);
  box-shadow: var(--faq-shadow);
  padding: 20px 18px;
}

.page-faq .toc-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-section-purple);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 8px;
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .toc-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  color: var(--color-text-dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border-left: 4px solid transparent;
  transition: 0.2s ease;
}

.page-faq .toc-list a:hover {
  border-left-color: var(--color-accent-teal);
  background: var(--color-card-pink);
}

.page-faq .toc-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 24px;
  background: var(--color-section-purple);
  color: var(--color-accent-yellow);
  font-size: 12px;
  font-weight: 700;
  padding-inline: 4px;
}

.page-faq .toc-internal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .toc-internal {
  display: inline-block;
  padding: 6px 8px;
  color: var(--color-text-dark);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-card-pink);
  transition: 0.2s ease;
}

.page-faq .toc-internal:hover {
  background: var(--color-accent-teal);
  color: var(--color-text-light);
}

.page-faq .toc-stats {
  background: var(--color-section-purple);
  border-color: var(--color-border);
}

.page-faq .toc-stats .toc-title {
  color: var(--color-accent-yellow);
  border-bottom-color: rgba(255, 250, 243, 0.3);
}

.page-faq .toc-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .toc-stat-list li {
  color: var(--color-text-light);
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .toc-stat-num {
  color: var(--color-accent-yellow);
  font-weight: 700;
  font-size: 15px;
  min-width: 52px;
  display: inline-block;
}

/* ===== 右栏内容 ===== */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}

.page-faq .faq-section {
  border: var(--faq-border);
  box-shadow: var(--faq-shadow);
  padding: 24px 20px;
  background: var(--color-card-cream);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 14px;
}

.page-faq .faq-section-head .section-index {
  background: var(--color-section-purple);
  color: var(--color-accent-yellow);
  font-weight: 700;
  padding: 4px 10px;
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-section-head .section-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
  margin-bottom: 4px;
}

.page-faq .faq-section-head .section-title {
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1.2;
  margin: 0;
  color: var(--color-text-dark);
}

/* ===== 快速上手 ===== */
.page-faq .quickstart-grid {
  display: grid;
  gap: 20px;
}

.page-faq .quickstart-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.page-faq .quickstep-link {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-card-pink);
  border: 1px solid var(--color-border);
  padding: 14px 12px;
  text-decoration: none;
  color: var(--color-text-dark);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .quickstep-link:hover,
.page-faq .quickstep-link:focus-visible {
  background: var(--color-accent-yellow);
  box-shadow: 4px 4px 0 var(--color-border);
  transform: translate(-2px, -2px);
}

.page-faq .quickstep-no {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-yellow);
  border: 2px solid var(--color-border);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-dark);
  line-height: 1;
}

.page-faq .quickstep-link:hover .quickstep-no {
  background: var(--color-section-purple);
  color: var(--color-accent-yellow);
}

.page-faq .quickstep-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .quickstep-name {
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.3;
}

.page-faq .quickstep-desc {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(31, 26, 23, 0.82);
}

.page-faq .quickstart-figure {
  margin: 0;
  border: var(--faq-border);
  background: var(--color-text-dark);
  box-shadow: var(--faq-shadow);
}

.page-faq .quickstart-img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.92;
  border-bottom: 2px solid var(--color-border);
}

.page-faq .quickstart-caption {
  padding: 10px 14px;
  color: var(--color-text-light);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

/* ===== 订阅面板说明 ===== */
.page-faq .faq-panel-section {
  background: var(--color-section-orange);
  border-color: var(--color-border);
  position: relative;
}

.page-faq .faq-panel-section::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(255, 250, 243, 0.32);
  pointer-events: none;
}

.page-faq .faq-panel-section > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-panel-section .section-head {
  border-bottom-color: rgba(255, 250, 243, 0.35);
}

.page-faq .faq-panel-section .section-index {
  background: var(--color-accent-yellow);
  color: var(--color-text-dark);
}

.page-faq .faq-panel-section .section-kicker {
  color: var(--color-accent-yellow);
}

.page-faq .faq-panel-section .section-title {
  color: var(--color-text-light);
}

.page-faq .faq-panel-intro {
  color: rgba(255, 250, 243, 0.9);
  font-size: 14px;
  line-height: 1.65;
  margin: 0 0 22px;
  max-width: 65ch;
}

.page-faq .panel-demo-grid {
  display: grid;
  gap: 22px;
}

.page-faq .panel-figure {
  margin: 0;
  border: var(--faq-border);
  background: var(--color-page-bg);
  box-shadow: var(--faq-shadow);
  padding: 12px;
}

.page-faq .panel-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-inline: auto;
  background: var(--color-card-pink);
}

.page-faq .panel-caption {
  text-align: center;
  padding: 8px 0 2px;
  font-size: 12px;
  color: var(--color-text-dark);
  letter-spacing: 0.04em;
}

.page-faq .panel-demo {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .panel-sim {
  background: var(--color-card-cream);
  border: 3px solid var(--color-border);
  box-shadow: var(--faq-shadow);
  padding: 18px;
  position: relative;
}

.page-faq .panel-sim-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

.page-faq .panel-sim-title {
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--color-text-dark);
}

.page-faq .panel-sim-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .panel-sim-row,
.page-faq .panel-sim-batch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(74, 43, 26, 0.35);
  padding: 10px 12px;
}

.page-faq .panel-sim-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-dark);
  opacity: 0.75;
  letter-spacing: 0.04em;
}

.page-faq .panel-sim-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-section-purple);
  white-space: nowrap;
}

.page-faq .panel-sim-batch .panel-sim-value {
  color: var(--color-accent-teal);
  font-size: 22px;
}

.page-faq .panel-sim-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  padding-top: 8px;
  font-size: 12px;
  color: var(--color-text-dark);
}

.page-faq .panel-dot {
  width: 12px;
  height: 12px;
  display: inline-block;
  margin-right: 4px;
  border: 1px solid var(--color-border);
}

.page-faq .dot-teal {
  background: var(--color-accent-teal);
}

.page-faq .dot-yellow {
  background: var(--color-accent-yellow);
}

.page-faq .panel-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-card-pink);
  border: 2px solid var(--color-border);
  padding: 16px 14px;
}

.page-faq .panel-points li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-dark);
}

.page-faq .panel-points strong {
  color: var(--color-section-purple);
  font-size: 12px;
  letter-spacing: 0.05em;
  border-right: 2px solid var(--color-border);
  padding-right: 8px;
}

/* ===== 常见问题 ===== */
.page-faq .faq-qa-section {
  background: var(--color-card-pink);
}

.page-faq .faq-details-group {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.page-faq .faq-subgroup-title {
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.2;
  margin: 0 0 12px;
  padding: 8px 12px;
  background: var(--color-section-purple);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: 0.04em;
}

.page-faq .faq-item {
  border: 1px solid var(--color-border);
  background: var(--color-card-cream);
  margin: 0 0 8px;
  box-shadow: 3px 3px 0 rgba(31, 26, 23, 0.18);
}

.page-faq .faq-item + .faq-item {
  margin-top: 8px;
}

.page-faq .faq-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-card-cream);
  transition: background 0.2s ease;
  position: relative;
}

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

.page-faq .faq-summary::after {
  content: "+";
  margin-left: auto;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
  color: var(--color-accent-teal);
  padding-left: 12px;
  transition: transform 0.25s ease, color 0.25s ease;
}

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

.page-faq .faq-summary:hover {
  background: var(--color-card-pink);
}

.page-faq .faq-q-no {
  flex: 0 0 auto;
  width: 34px;
  height: 24px;
  background: var(--color-accent-teal);
  color: var(--color-text-light);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.page-faq .faq-q-text {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-dark);
  flex: 1;
  min-width: 0;
}

.page-faq .faq-answer {
  padding: 14px 16px 16px;
  border-top: 1px dashed var(--color-border);
  margin-left: 46px;
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text-dark);
}

/* ===== 处理时效 ===== */
.page-faq .faq-table-wrap {
  overflow-x: auto;
}

.page-faq .data-table {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--color-border);
  background: var(--color-card-cream);
  font-size: 13px;
  min-width: 480px;
}

.page-faq .data-table th {
  background: var(--color-section-purple);
  color: var(--color-text-light);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid rgba(255, 250, 243, 0.2);
}

.page-faq .data-table td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  line-height: 1.55;
  vertical-align: top;
}

.page-faq .data-table tbody tr:nth-child(even) td {
  background: var(--color-card-pink);
}

.page-faq .data-table tbody tr:hover td {
  background: var(--color-accent-yellow);
}

.page-faq .data-table td:first-child {
  font-weight: 700;
  color: var(--color-section-purple);
}

.page-faq .data-table .mono {
  color: var(--color-text-dark);
  font-weight: 700;
  word-break: break-all;
}

.page-faq .faq-time-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-time-note .tag {
  border: 1px solid var(--color-border);
  font-size: 13px;
  border-radius: 0;
}

/* ===== 桌面端断点 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 44px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1fr 340px;
    gap: 36px;
    align-items: end;
  }

  .page-faq .faq-shell {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 32px;
    padding-block: 40px 64px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 18px;
  }

  .page-faq .faq-content {
    gap: 36px;
  }

  .page-faq .faq-section {
    padding: 30px 28px;
  }

  .page-faq .quickstart-grid {
    grid-template-columns: 1fr 400px;
    gap: 24px;
  }

  .page-faq .quickstart-figure {
    align-self: start;
  }

  .page-faq .panel-demo-grid {
    grid-template-columns: 300px 1fr;
    gap: 26px;
  }

  .page-faq .panel-points {
    padding: 20px 18px;
  }

  .page-faq .panel-points li {
    grid-template-columns: 100px 1fr;
  }

  .page-faq .faq-subgroup-title {
    font-size: 17px;
  }

  .page-faq .faq-q-text {
    font-size: 15px;
  }

  .page-faq .faq-answer p {
    font-size: 14px;
  }

  .page-faq .data-table {
    font-size: 14px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-panel-section {
    padding: 36px 32px;
  }

  .page-faq .panel-demo-grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 34px;
  }

  .page-faq .panel-sim {
    padding: 24px 22px;
  }
}