.page-products {
  --pp-line: rgba(174, 185, 181, .28);
  --pp-lime-soft: rgba(198, 242, 78, .14);
  --pp-orange-soft: rgba(255, 106, 42, .16);
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  border: 2px solid var(--c-lime);
  background: var(--grad-band);
  box-shadow: var(--shadow-hard-lg);
  padding: 4px;
}

.page-products .prod-hero__frame {
  position: relative;
  border: 1px solid var(--c-line-strong);
  padding: 32px 20px 28px;
  overflow: hidden;
}

.page-products .prod-hero__scale {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  padding: 0 4px;
  pointer-events: none;
}

.page-products .prod-hero__scale span {
  width: 1px;
  height: 10px;
  background: var(--c-lime-dim);
  opacity: .7;
}

.page-products .prod-hero__kicker {
  color: var(--c-lime);
  margin-bottom: 14px;
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 6vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: .01em;
  text-transform: none;
  color: var(--c-paper);
  max-width: 20ch;
  margin-bottom: 18px;
}

.page-products .prod-hero__lead {
  color: var(--c-silver);
  max-width: 44ch;
  font-size: .98rem;
  line-height: 1.8;
  margin-bottom: 26px;
}

.page-products .prod-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-products .prod-fact {
  border-left: 2px solid var(--c-lime);
  padding: 6px 0 6px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .prod-fact .stat__num {
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-fact--orange {
  border-left-color: var(--c-orange);
}

.page-products .prod-fact .stat__num--orange {
  color: var(--c-orange);
}

.page-products .prod-fact .stat__label {
  font-size: .78rem;
  color: var(--c-silver-dim);
  letter-spacing: .06em;
}

/* ---------- 三端产品线 ---------- */
.page-products .prod-band {
  margin: 0 0 26px;
}

.page-products .prod-band__frame {
  box-shadow: var(--shadow-hard);
}

.page-products .prod-lines {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 18px;
}

.page-products .prod-line {
  position: relative;
  background: var(--c-panel);
  border: 2px solid var(--c-line-strong);
  box-shadow: var(--shadow-hard);
  padding: 22px 18px 20px;
}

.page-products .prod-line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--c-lime);
}

.page-products .prod-line--mobile::before {
  background: var(--c-orange);
}

.page-products .prod-line--desk::before {
  background: var(--c-silver);
}

.page-products .prod-line__tag {
  color: var(--c-lime);
  margin-bottom: 8px;
}

.page-products .prod-line--mobile .prod-line__tag {
  color: var(--c-orange);
}

.page-products .prod-line--desk .prod-line__tag {
  color: var(--c-silver);
}

.page-products .prod-line__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-paper);
  margin-bottom: 10px;
}

.page-products .prod-line__desc {
  color: var(--c-silver);
  font-size: .9rem;
  line-height: 1.78;
  margin-bottom: 16px;
}

.page-products .prod-line__spec {
  margin: 0;
  border-top: 1px solid var(--pp-line);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.page-products .prod-line__spec > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.page-products .prod-line__spec dt {
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--c-silver-dim);
}

.page-products .prod-line__spec dd {
  margin: 0;
  font-size: .82rem;
  color: var(--c-paper);
  text-align: right;
}

.page-products .prod-line__spec dd.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: var(--c-lime);
}

.page-products .prod-note {
  color: var(--c-silver-dim);
  line-height: 1.75;
  border-left: 2px solid var(--c-line-strong);
  padding-left: 12px;
}

/* ---------- 功能控制台 ---------- */
.page-products .prod-console {
  display: grid;
  gap: 0;
  border: 2px solid var(--c-line-strong);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard-lg);
}

.page-products .prod-console__rail {
  border-bottom: 2px solid var(--c-line-strong);
  background: var(--c-panel-2);
  padding: 14px 12px;
  display: grid;
  gap: 8px;
}

.page-products .prod-console__rail-cap {
  color: var(--c-silver-dim);
  padding-left: 4px;
}

.page-products .prod-console__tab {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--pp-line);
  background: var(--c-panel);
  cursor: pointer;
  transition: border-color var(--dur), background-color var(--dur), transform var(--dur);
}

.page-products .prod-console__tab:hover {
  border-color: var(--c-lime-dim);
  transform: translateX(2px);
}

.page-products .prod-console__code {
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-num);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-silver-dim);
  letter-spacing: .04em;
}

.page-products .prod-console__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-paper);
  letter-spacing: .01em;
}

.page-products .prod-console__hint {
  font-size: .72rem;
  color: var(--c-silver-dim);
  letter-spacing: .04em;
}

.page-products .prod-console__stage {
  background: var(--grad-band);
  padding: 20px 16px 24px;
}

.page-products .prod-pane {
  display: none;
}

.page-products #pfn-goal:checked ~ .prod-console__rail label[for="pfn-goal"],
.page-products #pfn-offside:checked ~ .prod-console__rail label[for="pfn-offside"],
.page-products #pfn-lineup:checked ~ .prod-console__rail label[for="pfn-lineup"] {
  border-color: var(--c-lime);
  background: #0E2A26;
  box-shadow: inset 3px 0 0 var(--c-lime);
}

.page-products #pfn-goal:checked ~ .prod-console__rail label[for="pfn-goal"] .prod-console__code,
.page-products #pfn-offside:checked ~ .prod-console__rail label[for="pfn-offside"] .prod-console__code,
.page-products #pfn-lineup:checked ~ .prod-console__rail label[for="pfn-lineup"] .prod-console__code {
  color: var(--c-lime);
}

.page-products #pfn-goal:checked ~ .prod-console__stage .prod-pane[data-pane="goal"],
.page-products #pfn-offside:checked ~ .prod-console__stage .prod-pane[data-pane="offside"],
.page-products #pfn-lineup:checked ~ .prod-console__stage .prod-pane[data-pane="lineup"] {
  display: block;
}

.page-products .prod-pane__head {
  margin-bottom: 16px;
}

.page-products .prod-pane__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-paper);
  margin-bottom: 6px;
}

.page-products .prod-pane__head .annot {
  color: var(--c-silver-dim);
}

.page-products .prod-pane__fig {
  margin: 0 0 18px;
}

.page-products .prod-pane__fig .frame {
  box-shadow: var(--shadow-hard);
}

.page-products .prod-pane__body p {
  color: var(--c-silver);
  line-height: 1.82;
  font-size: .92rem;
  margin-bottom: 14px;
}

.page-products .prod-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 18px;
  color: var(--c-silver);
  font-size: .88rem;
  line-height: 1.78;
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--c-lime);
}

.page-products .prod-points strong {
  color: var(--c-paper);
  font-weight: 600;
}

/* ---------- 区间筛选器 ---------- */
.page-products .prod-range {
  border: 2px solid var(--c-line-strong);
  background: var(--c-panel);
  padding: 14px 14px 16px;
  margin: 0 0 18px;
}

.page-products .prod-range legend {
  padding: 0 8px;
  color: var(--c-silver-dim);
}

.page-products .prod-range__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-products .prod-range__opt {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  border: 2px solid var(--pp-line);
  background: var(--c-panel-2);
  color: var(--c-silver);
  padding: 6px 14px;
  font-size: .82rem;
  cursor: pointer;
  transition: border-color var(--dur), color var(--dur), background-color var(--dur);
}

.page-products .prod-range__opt .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--c-paper);
}

.page-products .prod-range__opt:hover {
  border-color: var(--c-lime-dim);
  color: var(--c-paper);
}

.page-products #pr-3:checked ~ .prod-range__opts label[for="pr-3"],
.page-products #pr-5:checked ~ .prod-range__opts label[for="pr-5"],
.page-products #pr-10:checked ~ .prod-range__opts label[for="pr-10"] {
  border-color: var(--c-lime);
  background: var(--pp-lime-soft);
  color: var(--c-paper);
}

.page-products #pr-3:checked ~ .prod-range__opts label[for="pr-3"] .num,
.page-products #pr-5:checked ~ .prod-range__opts label[for="pr-5"] .num,
.page-products #pr-10:checked ~ .prod-range__opts label[for="pr-10"] .num {
  color: var(--c-lime);
}

.page-products .prod-range__out {
  margin: 0;
  color: var(--c-silver);
  font-size: .86rem;
  line-height: 1.7;
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

.page-products .prod-range__out span {
  display: none;
}

.page-products #pr-3:checked ~ .prod-range__out [data-range-3],
.page-products #pr-5:checked ~ .prod-range__out [data-range-5],
.page-products #pr-10:checked ~ .prod-range__out [data-range-10] {
  display: inline;
}

/* ---------- 双色条示意 ---------- */
.page-products .prod-bars {
  border: 2px solid var(--c-line-strong);
  background: var(--c-panel);
  padding: 16px 14px 10px;
  margin-bottom: 18px;
}

.page-products .prod-bar {
  position: relative;
  height: 22px;
  background: #0A1714;
  margin-bottom: 8px;
}

.page-products .prod-bar--sub {
  height: 14px;
}

.page-products .prod-bar__seg {
  position: absolute;
  left: calc(var(--a) * 1%);
  width: calc((var(--b) - var(--a)) * 1%);
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .06em;
  color: #0A1F1A;
  font-weight: 700;
  transition: filter var(--dur);
}

.page-products .prod-bar--start .prod-bar__seg {
  background: var(--c-lime);
}

.page-products .prod-bar--sub .prod-bar__seg {
  background: var(--c-orange);
}

.page-products .prod-bar__seg:hover {
  filter: brightness(1.12);
}

.page-products .prod-bars__axis {
  display: flex;
  justify-content: space-between;
  margin: 0;
  font-family: var(--font-num);
  font-size: .7rem;
  color: var(--c-silver-dim);
  letter-spacing: .06em;
  border-top: 1px solid var(--pp-line);
  padding-top: 6px;
}

/* ---------- 版本记录 ---------- */
.page-products .prod-vers {
  position: relative;
  border: 2px solid var(--c-line-strong);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
  padding: 18px 14px 20px;
}

.page-products .prod-vers__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
  opacity: .12;
  pointer-events: none;
}

.page-products .prod-vers__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .prod-vers__list {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-products .prod-ver {
  border: 1px solid var(--pp-line);
  background: rgba(10, 31, 26, .78);
  transition: border-color var(--dur);
}

.page-products .prod-ver[open] {
  border-color: var(--c-lime-dim);
  background: rgba(14, 42, 38, .92);
}

.page-products .prod-ver summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 12px;
  cursor: pointer;
  list-style: none;
}

.page-products .prod-ver summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-ver__no {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: .92rem;
  font-weight: 700;
  color: var(--c-lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.page-products .prod-ver__line {
  color: var(--c-paper);
  font-size: .86rem;
  line-height: 1.5;
}

.page-products .prod-ver p {
  margin: 0;
  padding: 0 12px 12px 12px;
  color: var(--c-silver);
  font-size: .84rem;
  line-height: 1.75;
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

.page-products .prod-ver summary:hover .prod-ver__line {
  color: var(--c-lime);
}

/* ---------- 安装与兼容 ---------- */
.page-products .prod-install {
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
}

.page-products .prod-install__card {
  padding: 22px 18px;
}

.page-products .prod-install__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-paper);
  letter-spacing: .02em;
  margin-bottom: 10px;
}

.page-products .prod-install__desc {
  color: var(--c-silver);
  font-size: .88rem;
  line-height: 1.78;
  margin-bottom: 16px;
}

.page-products .prod-install__spec {
  margin: 0;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--pp-line);
  padding-top: 12px;
}

.page-products .prod-install__spec > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-products .prod-install__spec dt {
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--c-silver-dim);
}

.page-products .prod-install__spec dd {
  margin: 0;
  font-size: .84rem;
  color: var(--c-paper);
  line-height: 1.6;
}

.page-products .prod-install__spec dd.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: var(--c-lime);
}

.page-products .prod-install__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: step;
}

.page-products .prod-install__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  color: var(--c-silver);
  font-size: .86rem;
  line-height: 1.7;
  border-left: 2px solid var(--c-line-strong);
  padding-left: 10px;
}

.page-products .prod-install__steps .num {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-install__sync {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-install__sync li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--c-silver);
  font-size: .86rem;
  line-height: 1.7;
}

.page-products .prod-install__foot {
  color: var(--c-silver-dim);
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

/* ---------- 跳转条 ---------- */
.page-products .prod-jump {
  border: 2px solid var(--c-lime);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
  padding: 20px 18px;
  display: grid;
  gap: 14px;
}

.page-products .prod-jump__text {
  margin: 0;
  color: var(--c-silver);
  font-size: .9rem;
  line-height: 1.78;
}

.page-products .prod-jump__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .prod-hero__frame {
    padding: 48px 42px 40px;
  }

  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .prod-lines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prod-line {
    display: flex;
    flex-direction: column;
    padding: 24px 20px 22px;
  }

  .page-products .prod-line__spec {
    margin-top: auto;
  }

  .page-products .prod-line__spec > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .page-products .prod-line__spec dd {
    text-align: left;
  }

  .page-products .prod-console {
    grid-template-columns: 268px 1fr;
  }

  .page-products .prod-console__rail {
    border-bottom: 0;
    border-right: 2px solid var(--c-line-strong);
    padding: 18px 14px;
  }

  .page-products .prod-console__stage {
    padding: 28px 26px 32px;
  }

  .page-products .prod-vers {
    padding: 22px 20px 24px;
  }

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

  .page-products .prod-install__card--sync {
    grid-column: 1 / -1;
  }

  .page-products .prod-jump {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 22px 24px;
  }

  .page-products .prod-jump__text {
    max-width: 52ch;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1040px) {
  .page-products .prod-hero__frame {
    padding: 58px 56px 48px;
  }

  .page-products .prod-hero h1 {
    max-width: 16ch;
  }

  .page-products .prod-hero__lead {
    max-width: 56ch;
    font-size: 1.02rem;
  }

  .page-products .prod-console {
    grid-template-columns: 300px 1fr;
  }

  .page-products .prod-console__stage {
    padding: 34px 34px 38px;
  }

  .page-products .prod-pane__fig .frame {
    box-shadow: var(--shadow-hard-lg);
  }

  .page-products .prod-vers__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 14px;
    align-items: start;
  }

  .page-products .prod-install {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-products .prod-install__card--sync {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-console__tab,
  .page-products .prod-range__opt,
  .page-products .prod-bar__seg,
  .page-products .prod-ver {
    transition: none;
  }
}

.page-products {
  --a: 1rem;
  --b: 1rem;
}