.page-faq {
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq [id] {
  scroll-margin-top: 120px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding: 24px 0 56px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--violet-soft);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--bg-2);
}

.page-faq .faq-fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-faq .faq-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

/* ---------- 区块节奏 ---------- */
.page-faq .section {
  padding: 64px 0;
}

.page-faq .section--tight {
  padding: 48px 0;
}

/* ---------- 01 手册下载 ---------- */
.page-faq .faq-manual-grid {
  row-gap: 40px;
}

.page-faq .faq-manual-visual figure {
  margin: 0;
}

.page-faq .faq-manual-body .section-head {
  margin-bottom: 20px;
}

.page-faq .manual-meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .manual-meta li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .manual-meta .mono {
  flex: 0 0 56px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-faq .manual-accordion {
  margin-top: 32px;
}

.page-faq .faq-manual-body .note {
  margin-top: 24px;
}

/* ---------- 02 问答 ---------- */
.page-faq .faq-search .section-head {
  margin-bottom: 0;
}

.page-faq .faq-layout {
  display: grid;
  gap: 40px;
  margin-top: 48px;
}

.page-faq .faq-cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 15px;
  color: var(--violet-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .faq-cat-link .mono {
  font-size: 12px;
  color: var(--violet);
}

.page-faq .faq-cat-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--violet);
}

.page-faq .faq-cat-link:hover,
.page-faq .faq-cat-link:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan-soft);
}

.page-faq .faq-cat-link[aria-current="true"] {
  color: var(--ink);
  background: var(--bg-2);
  border-left-color: var(--amber);
}

.page-faq .faq-cat-link[aria-current="true"] .mono {
  color: var(--amber);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: 56px;
}

.page-faq .faq-cat-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cat-index {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-cat-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}

.page-faq .faq-cat-total {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet);
}

.page-faq .faq-list .accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 44px;
  padding: 16px 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.page-faq .faq-list .accordion-trigger:hover {
  color: var(--cyan-soft);
}

.page-faq .faq-list .accordion-trigger::after {
  content: "";
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease);
}

.page-faq .faq-list .accordion-item[data-open] .accordion-trigger::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-faq .faq-list .accordion-body p {
  margin: 0 0 12px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--violet-soft);
}

.page-faq .faq-list .accordion-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 03 流程对照 ---------- */
.page-faq .faq-compare-grid {
  row-gap: 48px;
}

.page-faq .segmented {
  display: inline-flex;
  margin: 28px 0 20px;
  border: 1px solid var(--line);
}

.page-faq .segment {
  min-height: 44px;
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--violet);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .segment:last-child {
  border-right: 0;
}

.page-faq .segment:hover {
  color: var(--ink);
}

.page-faq .segment[data-active] {
  color: var(--ink-deep);
  background: var(--amber);
}

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

.page-faq .seg-panel[data-active] {
  display: block;
}

.page-faq .seg-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .seg-steps li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .seg-steps .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .seg-steps--muted li {
  color: var(--violet-soft);
}

.page-faq .seg-steps--muted .mono {
  color: var(--violet);
}

.page-faq .faq-compare-visual figure {
  margin: 0;
}

.page-faq .compare-wrap {
  margin-top: 56px;
  overflow-x: auto;
}

.page-faq .compare-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .compare-table caption {
  padding-bottom: 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-faq .compare-table th {
  padding: 12px 16px 12px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan);
}

.page-faq .compare-table td {
  padding: 14px 16px 14px 0;
  vertical-align: top;
  line-height: 1.65;
  color: var(--violet-soft);
  border-bottom: 1px solid var(--line);
}

.page-faq .compare-table td:first-child {
  width: 40%;
}

.page-faq .compare-table td:last-child {
  padding-right: 0;
  color: var(--ink);
}

.page-faq .compare-total td {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber-soft);
  border-bottom: 1px solid var(--amber);
}

/* ---------- 04 同栏说明 ---------- */
.page-faq .faq-column-note {
  display: grid;
  gap: 20px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-column-note .section-number {
  font-size: 40px;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  line-height: 1;
}

.page-faq .faq-column-body .section-title {
  margin: 0 0 16px;
}

.page-faq .column-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .column-points li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--bg);
  font-size: 15px;
  line-height: 1.65;
  color: var(--violet-soft);
}

.page-faq .column-points .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 05 转人工 ---------- */
.page-faq .handoff-card {
  padding: 32px 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
}

.page-faq .handoff-card .section-title {
  margin: 12px 0 16px;
}

.page-faq .handoff-card .prose {
  max-width: 34em;
}

.page-faq .handoff-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .handoff-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .handoff-list .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .handoff-actions {
  margin: 28px 0 0;
}

.page-faq .handoff-card .note {
  margin-top: 22px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .section {
    padding: 80px 0;
  }

  .page-faq .section--tight {
    padding: 64px 0;
  }

  .page-faq .faq-column-note {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 40px;
    padding-left: 0;
    border-left: 0;
  }

  .page-faq .faq-column-body {
    padding-left: 32px;
    border-left: 1px solid var(--line);
  }

  .page-faq .column-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .handoff-card {
    padding: 48px 56px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 64px;
    padding-bottom: 72px;
  }

  .page-faq .section {
    padding: 96px 0;
  }

  .page-faq .section--tight {
    padding: 72px 0;
  }

  .page-faq .faq-manual-grid {
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 64px;
    margin-top: 64px;
  }

  .page-faq .faq-cats {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-cat-list {
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-cat-list li {
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-compare-grid {
    align-items: start;
  }

  .page-faq .faq-compare-visual {
    padding-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-list .accordion-trigger::after,
  .page-faq .segment,
  .page-faq .faq-cat-link {
    transition: none;
  }
}