.page-faq {
  --fx-edge: 5px;
  --fx-card-shadow: 0 1px 0 rgba(13, 27, 42, .04), 0 18px 34px -28px rgba(13, 27, 42, .55);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  margin: 22px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .fx-hero {
  padding: 12px 0 34px;
}

.page-faq .fx-hero-grid {
  display: grid;
  gap: 26px;
}

.page-faq .fx-hero-copy h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--c-navy);
}

.page-faq .fx-hero-copy .lead {
  max-width: 60ch;
  color: var(--ink-soft);
}

.page-faq .fx-hero-stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}

.page-faq .fx-stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 16px 18px;
  background: #fff;
  border: var(--rule);
  border-left: var(--fx-edge) solid var(--c-red);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-red);
}

.page-faq .fx-stat-unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.page-faq .fx-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.page-faq .fx-stat:nth-child(2) {
  border-left-color: var(--c-orange);
}

.page-faq .fx-stat:nth-child(2) .fx-stat-num {
  color: var(--c-orange);
}

.page-faq .fx-stat:nth-child(3) {
  border-left-color: var(--c-teal);
}

.page-faq .fx-stat:nth-child(3) .fx-stat-num {
  color: var(--c-teal);
}

/* ---------- 分类跳转轨道 ---------- */
.page-faq .fx-track {
  padding: 16px 0;
  background: var(--c-navy);
}

.page-faq .fx-chip-row {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .fx-chip-row li {
  list-style: none;
  flex: 0 0 auto;
}

.page-faq .fx-track .chip {
  display: inline-block;
  white-space: nowrap;
  background: transparent;
  border-color: rgba(247, 244, 238, .3);
  color: var(--c-paper);
  text-decoration: none;
  transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
}

.page-faq .fx-track .chip:hover,
.page-faq .fx-track .chip:focus-visible {
  border-color: var(--c-teal);
  color: var(--c-teal);
  background: rgba(20, 198, 164, .08);
}

/* ---------- 通用段落节奏 ---------- */
.page-faq .fx-sec {
  padding: 52px 0;
}

.page-faq .fx-head {
  max-width: 68ch;
  margin-bottom: 28px;
}

.page-faq .fx-head h2,
.page-faq .fx-steps-copy h2,
.page-faq .fx-report-copy h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.2vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--c-navy);
}

.page-faq .fx-p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 三步排查 ---------- */
.page-faq .fx-sec--steps {
  padding-top: 46px;
}

.page-faq .fx-steps-grid {
  display: grid;
  gap: 32px;
}

.page-faq .fx-flow {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .fx-flow-item {
  position: relative;
  padding: 18px 20px 18px 68px;
  background: #fff;
  border: var(--rule);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-flow-item::before {
  content: "";
  position: absolute;
  left: 33px;
  top: 52px;
  bottom: -18px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-red), rgba(226, 56, 44, 0));
}

.page-faq .fx-flow-item:last-child::before {
  display: none;
}

.page-faq .fx-flow-no {
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--c-red);
}

.page-faq .fx-flow-h {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-faq .fx-flow-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .fx-flow-fig {
  position: relative;
  align-self: start;
  padding: 12px;
  background: #fff;
  border: var(--rule);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-flow-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(140deg, rgba(226, 56, 44, .1), rgba(20, 198, 164, .12));
}

.page-faq .fx-fig-tag {
  position: absolute;
  top: 24px;
  left: 24px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-paper);
  background: var(--c-navy);
}

.page-faq .fx-flow-fig .figure-caption {
  margin-top: 10px;
}

/* ---------- 展签手风琴 ---------- */
.page-faq .fx-slips {
  display: grid;
  gap: 14px;
}

.page-faq .fx-slip {
  background: #fff;
  border: var(--rule);
  border-left: var(--fx-edge) solid var(--c-red);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-slip > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .fx-slip > summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-red);
}

.page-faq .fx-slip[open] > summary::after {
  content: "–";
}

.page-faq .fx-slip-no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-red);
}

.page-faq .fx-slip-q {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-navy);
}

.page-faq .fx-slip-body {
  padding: 0 18px 20px;
  border-top: 1px solid var(--c-fog);
  margin-top: 2px;
}

.page-faq .fx-actions {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .fx-actions li::marker {
  font-family: var(--font-mono);
  color: var(--c-red);
}

/* 地图分区：深底白卡 */
.page-faq .fx-sec--map {
  background: var(--c-navy);
}

.page-faq .fx-sec--map .fx-head h2 {
  color: var(--c-paper);
}

.page-faq .fx-sec--map .fx-head .fx-p {
  color: rgba(247, 244, 238, .74);
}

.page-faq .fx-sec--map .eyebrow {
  color: var(--c-teal);
}

.page-faq .fx-sec--map .fx-slip {
  border-color: var(--c-fog);
  border-left-color: var(--c-teal);
}

.page-faq .fx-sec--map .fx-slip-no,
.page-faq .fx-sec--map .fx-slip > summary::after {
  color: var(--c-teal);
}

.page-faq .fx-sec--map .fx-slip[open] {
  border-left-color: var(--c-teal);
}

.page-faq .fx-sec--map .fx-slip-body {
  border-top-color: var(--c-fog);
}

/* 通知分区：青绿侧条 */
.page-faq .fx-slips--alert .fx-slip {
  border-left-color: var(--c-grass);
}

.page-faq .fx-slips--alert .fx-slip-no,
.page-faq .fx-slips--alert .fx-slip > summary::after {
  color: var(--c-grass);
}

.page-faq .fx-slips--alert .fx-actions li::marker {
  color: var(--c-grass);
}

/* 设备分区：紫色侧条 */
.page-faq .fx-slips--device .fx-slip {
  border-left-color: var(--c-violet);
}

.page-faq .fx-slips--device .fx-slip-no,
.page-faq .fx-slips--device .fx-slip > summary::after {
  color: var(--c-violet);
}

.page-faq .fx-slips--device .fx-actions li::marker {
  color: var(--c-violet);
}

/* ---------- 比分差异分区 ---------- */
.page-faq .fx-sec--data {
  background: linear-gradient(180deg, rgba(106, 75, 240, .06), rgba(106, 75, 240, 0) 70%), var(--c-paper);
}

.page-faq .fx-data-grid {
  display: grid;
  gap: 16px;
}

.page-faq .fx-note {
  padding: 22px 22px 24px;
  background: #fff;
  border: var(--rule);
  border-top: 4px solid var(--c-amber);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-note--list {
  border-top-color: var(--c-violet);
}

.page-faq .fx-note-h {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-faq .fx-note p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .fx-note p:last-child {
  margin-bottom: 0;
}

.page-faq .fx-check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .fx-check-list li {
  display: grid;
  gap: 2px;
  padding-left: 16px;
  border-left: 2px solid rgba(106, 75, 240, .35);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .fx-check-k {
  font-weight: 700;
  color: var(--c-navy);
}

.page-faq .fx-check-v {
  color: var(--ink-soft);
}

.page-faq .fx-meter {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 18px;
  padding: 16px 20px;
  background: var(--c-navy);
  color: var(--c-paper);
}

.page-faq .fx-meter-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-teal);
}

.page-faq .fx-meter-text {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(247, 244, 238, .82);
}

/* ---------- 提交反馈 ---------- */
.page-faq .fx-report-grid {
  display: grid;
  gap: 30px;
}

.page-faq .fx-required {
  margin-top: 22px;
  padding: 18px 20px;
  background: #fff;
  border: var(--rule);
  border-left: var(--fx-edge) solid var(--c-orange);
}

.page-faq .fx-required-h {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-faq .fx-required-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .fx-required-list li::marker {
  color: var(--c-orange);
}

.page-faq .fx-tpl {
  margin-top: 20px;
  border: var(--rule);
  background: #fff;
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-tpl-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-fog);
}

.page-faq .fx-tpl-hint {
  font-size: 13px;
  color: var(--ink-faint);
}

.page-faq .fx-tpl-body {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-graphite);
  background: linear-gradient(180deg, rgba(226, 56, 44, .04), rgba(242, 112, 26, .05));
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

.page-faq .fx-report-foot {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .fx-report-foot a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .fx-report-fig {
  align-self: start;
  padding: 12px;
  background: #fff;
  border: var(--rule);
  box-shadow: var(--fx-card-shadow);
}

.page-faq .fx-report-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(160deg, rgba(242, 112, 26, .12), rgba(13, 27, 42, .08));
}

.page-faq .fx-report-fig .figure-caption {
  margin-top: 10px;
}

/* ---------- 相关入口 ---------- */
.page-faq .fx-sec--links {
  padding-top: 34px;
  border-top: 1px solid var(--c-fog);
}

.page-faq .fx-links-h {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  color: var(--c-navy);
}

.page-faq .fx-links {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .fx-links li {
  list-style: none;
}

.page-faq .fx-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: #fff;
  border: var(--rule);
  border-bottom: 3px solid var(--c-navy);
  text-decoration: none;
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-faq .fx-links a:hover,
.page-faq .fx-links a:focus-visible {
  border-bottom-color: var(--c-red);
  transform: translateY(-2px);
}

.page-faq .fx-link-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-navy);
}

.page-faq .fx-link-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .fx-hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .fx-data-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .fx-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .fx-hero {
    padding-top: 26px;
  }

  .page-faq .fx-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
    gap: 46px;
  }

  .page-faq .fx-hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .fx-hero-stats .fx-stat:first-child {
    grid-row: span 2;
  }

  .page-faq .fx-steps-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .fx-flow-fig {
    position: sticky;
    top: 28px;
  }

  .page-faq .fx-report-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .fx-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .fx-sec {
    padding: 72px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fx-links a {
    transition: none;
  }

  .page-faq .fx-links a:hover,
  .page-faq .fx-links a:focus-visible {
    transform: none;
  }
}