.page-products {
  --pd-gap: 14px;
  --pd-rule: 1px solid var(--line-2);
}

.page-products [id] {
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

/* ---------- 首屏 ---------- */
.page-products .crumb-nav {
  margin-bottom: 14px;
}

.page-products .hero {
  position: relative;
  padding-block: 22px 30px;
  border-bottom: var(--pd-rule);
}

.page-products .hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 76px;
  height: 3px;
  background: var(--cyan);
}

.page-products .hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 30px;
  width: 118px;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 12px);
  opacity: .9;
  pointer-events: none;
}

.page-products .hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  font-size: clamp(28px, 7.2vw, 52px);
  margin: 8px 0 14px;
  max-width: 22ch;
  text-wrap: balance;
}

.page-products .hero .lead {
  max-width: 64ch;
  margin: 0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .hero-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-2);
  border: var(--pd-rule);
}

.page-products .hero-stats .stat {
  background: var(--ink-800);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .hero-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- 章节标题 ---------- */
.page-products .section-head {
  margin-bottom: 24px;
}

.page-products .section-head h2,
.page-products .board-text h2,
.page-products .closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.22;
  font-size: clamp(22px, 4.6vw, 33px);
  margin: 6px 0 12px;
  text-wrap: balance;
}

.page-products .section-head .lead {
  max-width: 62ch;
  margin: 0;
}

/* ---------- 版本矩阵 ---------- */
.page-products .matrix-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .matrix-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .matrix-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-products .specs {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .spec-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--line-2);
}

.page-products .spec-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .spec-row dt {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.7;
}

.page-products .spec-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .matrix-figure {
  margin: 0;
}

.page-products .matrix-col--mobile .figure {
  margin: 0;
  max-height: 268px;
  overflow: hidden;
}

.page-products .matrix-col--mobile .figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .figure-cap {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .board-figure {
  margin: 0 0 22px;
}

/* ---------- 大屏模拟区 ---------- */
.page-products .sim-wrap {
  display: grid;
  gap: var(--pd-gap);
  margin-bottom: 22px;
}

.page-products .sim-panel {
  border: var(--pd-rule);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .sim-panel--dark {
  background: var(--ink-900);
}

.page-products .sim-panel--light {
  background: var(--stack);
  color: #16211E;
}

.page-products .sim-cap {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-products .sim-panel--light .sim-cap {
  color: #5A6B66;
}

.page-products .sim-scorebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
}

.page-products .sim-panel--light .sim-scorebar {
  border-color: rgba(0, 0, 0, .2);
}

.page-products .sim-side {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .sim-panel--light .sim-side {
  color: #47584F;
}

.page-products .sim-score {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .sim-panel--light .sim-score {
  color: #16211E;
}

.page-products .sim-inj {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .sim-inj li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  line-height: 1.5;
}

.page-products .sim-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 6px;
  border: 1px solid var(--line);
  color: var(--amber);
  font-weight: 700;
  font-size: 13px;
}

.page-products .sim-panel--light .sim-no {
  border-color: rgba(0, 0, 0, .22);
  color: #8A5C00;
}

.page-products .tune-panel {
  padding: 18px;
}

.page-products .tune-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: tune;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.page-products .tune-list li {
  counter-increment: tune;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
}

.page-products .tune-list li::before {
  content: counter(tune, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 3px 0;
  text-align: center;
}

/* ---------- 数据导出 ---------- */
.page-products .export-main {
  padding: 18px;
}

.page-products .fmt-row {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .fmt-tag {
  flex: 1 1 168px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-products .fmt-tag .mono {
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .fmt-note {
  font-size: 13px;
  line-height: 1.62;
  color: var(--muted);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .field-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .field-caption {
  text-align: left;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  padding-bottom: 8px;
}

.page-products .field-table th,
.page-products .field-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: top;
}

.page-products .field-table thead th {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  border-bottom-color: var(--line);
}

.page-products .field-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-soft);
  white-space: nowrap;
}

.page-products .field-desc {
  color: var(--paper);
  line-height: 1.65;
}

.page-products .field-row:hover {
  background: rgba(53, 255, 208, .06);
}

.page-products .export-side {
  display: flex;
  flex-direction: column;
  gap: var(--pd-gap);
}

.page-products .export-side .figure {
  margin: 0;
}

.page-products .fail-panel {
  padding: 18px;
}

.page-products .fail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .fail-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .fail-no {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: .06em;
  padding-top: 3px;
}

/* ---------- 战术白板 ---------- */
.page-products .board-text p {
  font-size: 15px;
  line-height: 1.85;
  max-width: 60ch;
}

.page-products .board-list,
.page-products .tool-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .board-list li {
  border: 1px solid var(--line);
  padding: 4px 10px;
  font-size: 13px;
  color: var(--cyan-soft);
}

.page-products .tool-list li {
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--amber);
  padding: 4px 10px;
  font-size: 13px;
  color: var(--paper);
}

.page-products .board-text .text-muted {
  font-size: 13.5px;
  line-height: 1.8;
  max-width: 58ch;
  margin-top: 18px;
}

.page-products .figure--3x2.cell-5 {
  margin: 0;
}

/* ---------- 登录通道 ---------- */
.page-products .channel-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .channel-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-products .channel-col--beta {
  border-style: dashed;
}

.page-products .callout {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  padding: 13px 15px;
  border-left: 3px solid var(--line);
  background: var(--ink-800);
  color: var(--muted);
}

.page-products .callout--amber {
  border-left-color: var(--amber);
  color: var(--paper);
}

/* ---------- 安装流程 ---------- */
.page-products .step-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .step-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: var(--pd-rule);
}

.page-products .step-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .step-num {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .step-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- 自查清单 ---------- */
.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line-2);
  border: var(--pd-rule);
}

.page-products .check-item {
  position: relative;
  background: var(--ink-800);
  transition: background .2s var(--ease);
}

.page-products .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .check-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 15px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .check-mark {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line);
  background: var(--ink-900);
  position: relative;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .check-input:checked + .check-label {
  background: rgba(255, 176, 32, .07);
}

.page-products .check-input:checked + .check-label .check-mark {
  border-color: var(--amber);
  background: rgba(255, 176, 32, .16);
}

.page-products .check-input:checked + .check-label .check-mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--amber);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-products .check-input:checked + .check-label .check-text {
  color: var(--muted);
}

.page-products .check-input:focus-visible + .check-label {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

/* ---------- 收尾 ---------- */
.page-products .paper-link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  text-decoration: none;
  color: inherit;
  padding: 18px;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-products .paper-link:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .paper-link-t {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .paper-link-d {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .paper-link-go {
  font-size: 16px;
  color: var(--cyan);
  margin-top: 4px;
}

.page-products .closing-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .sim-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .section-head h2,
  .page-products .board-text h2,
  .page-products .closing h2 {
    max-width: 26ch;
  }
}

@media (min-width: 1024px) {
  .page-products .hero {
    padding-block: 34px 44px;
  }

  .page-products .hero h1 {
    margin-bottom: 18px;
  }

  .page-products .matrix-col {
    gap: 14px;
  }

  .page-products .board-text {
    padding-right: 18px;
  }

  .page-products .export-main {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .paper-link,
  .page-products .check-mark,
  .page-products .check-item {
    transition: none;
  }

  .page-products .paper-link:hover {
    transform: none;
  }
}