.page-products {
  --prod-cut: -6deg;
  --prod-measure: 34em;
  display: block;
}

/* ---------- 首屏功能带 ---------- */
.page-products .hero-band {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(91,75,214,.20), transparent 62%),
    linear-gradient(160deg, var(--ice) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-products .hero-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 56%;
  background-image: repeating-linear-gradient(
    90deg, rgba(232,220,200,.05) 0 1px, transparent 1px 44px);
  pointer-events: none;
}
.page-products .hero-band__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 54px);
  padding: clamp(56px, 9vw, 108px) 0 clamp(40px, 6vw, 72px);
}
.page-products .hero-band__kicker {
  margin: 0 0 18px;
  color: var(--lava);
  letter-spacing: .14em;
}
.page-products .hero-band h1 {
  margin: 0 0 22px;
  max-width: 15em;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--frost);
}
.page-products .hero-band__lede {
  max-width: var(--prod-measure);
  margin: 0;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.85;
}
.page-products .endpoint-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .endpoint {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: rgba(27,53,80,.42);
  transition: transform .22s ease, background-color .22s ease;
}
.page-products .endpoint:hover,
.page-products .endpoint:focus-within {
  transform: translateY(-4px);
  background: rgba(27,53,80,.72);
}
.page-products .endpoint--desk { min-height: 96px; }
.page-products .endpoint--mobile { min-height: 74px; }
.page-products .endpoint__badge {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--electric);
}
.page-products .endpoint--mobile .endpoint__badge { color: var(--silver); }
.page-products .endpoint__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--frost);
}
.page-products .endpoint__meta {
  font-size: 12px;
  color: var(--silver);
}
.page-products .hero-band__visual {
  margin: 0;
}
.page-products .hero-band__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  background: var(--steel);
}
.page-products .hero-band__visual figcaption {
  margin-top: 12px;
}

/* ---------- 斜切色带 ---------- */
.page-products .cut-band {
  position: relative;
  margin-top: -18px;
  padding: 14px 0;
  background: var(--lava);
  transform: skewY(var(--prod-cut));
  overflow: hidden;
}
.page-products .cut-band__text {
  display: block;
  transform: skewY(calc(var(--prod-cut) * -1));
  padding: 0 var(--gutter);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 章节头 ---------- */
.page-products .chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 3vw, 30px);
  align-items: start;
  margin-bottom: clamp(28px, 4vw, 46px);
}
.page-products .chapter-head .chapter-no {
  font-size: clamp(30px, 5vw, 54px);
  line-height: .92;
  color: var(--lava);
}
.page-products .chapter-head--ink .chapter-no { color: var(--lava-deep); }
.page-products .chapter-head__title {
  margin: 0 0 14px;
  max-width: 20em;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--frost);
}
.page-products .chapter-head--ink .chapter-head__title { color: var(--ice); }
.page-products .chapter-head__lede {
  max-width: 40em;
  margin: 0;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.85;
}
.page-products .chapter-head--ink .chapter-head__lede { color: var(--steel); }
.page-products .sub-head {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.35;
  color: var(--frost);
}
.page-products .sub-head--ink { color: var(--ice); }

/* ---------- 01 系统要求 ---------- */
.page-products .device-strip {
  margin: 0 0 clamp(26px, 4vw, 40px);
}
.page-products .device-strip img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  background: var(--steel);
}
.page-products .req-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(27,53,80,.32);
}
.page-products .req-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-products .req-table caption {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .req-table th,
.page-products .req-table td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  color: var(--frost);
  vertical-align: top;
}
.page-products .req-table thead th {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--lava);
  background: rgba(6,20,32,.66);
}
.page-products .req-table tbody th {
  font-weight: 700;
  color: var(--frost);
  border-left: 3px solid var(--lava);
}
.page-products .req-table tbody tr:hover {
  background: rgba(53,224,208,.06);
}
.page-products .req-table td.mono { color: var(--electric); }
.page-products .req-foot {
  max-width: var(--prod-measure);
  margin: 20px 0 0;
}

/* ---------- 02 比分浏览器 ---------- */
.page-products .window-panel {
  border: 1px solid var(--line);
  background: rgba(6,20,32,.55);
}
.page-products .window-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  border-bottom: 1px solid var(--line);
}
.page-products .window-tab {
  flex: 1 1 140px;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--silver);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.page-products .window-tab:hover { color: var(--frost); background: rgba(27,53,80,.5); }
.page-products .window-tab.is-active {
  color: var(--lava);
  border-bottom-color: var(--lava);
  background: rgba(255,90,31,.08);
}
.page-products .window-tab:focus-visible {
  outline: 2px solid var(--lava);
  outline-offset: -3px;
}
.page-products .window-pane {
  padding: clamp(18px, 3vw, 30px);
}
.page-products .window-pane__lead {
  max-width: 42em;
  margin: 0 0 20px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.8;
}
.page-products .trend-svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .trend-svg .axis-line {
  stroke: var(--line-strong);
  stroke-width: 1;
}
.page-products .trend-svg .grid-lines line {
  stroke: var(--line-soft);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}
.page-products .trend-svg .trace {
  fill: none;
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.page-products .trend-svg .trace--turf { stroke: var(--electric); }
.page-products .trend-svg .trace--lava { stroke: var(--lava); }
.page-products .trend-svg .dot--turf { fill: var(--electric); }
.page-products .trend-svg .dot--lava { fill: var(--lava); }
.page-products .trend-svg .svg-label {
  font-size: 15px;
  fill: var(--frost);
}
.page-products .trend-svg .svg-tick {
  font-size: 12px;
  fill: var(--silver);
}
.page-products .usage-list {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}
.page-products .usage-item {
  padding: 20px 18px;
  background: rgba(27,53,80,.4);
  border-left: 2px solid transparent;
  transition: border-color .2s ease, background-color .2s ease;
}
.page-products .usage-item:hover {
  border-left-color: var(--lava);
  background: rgba(27,53,80,.7);
}
.page-products .usage-item__title {
  margin: 8px 0 8px;
  font-size: 18px;
  color: var(--frost);
}
.page-products .usage-item p {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.78;
}
.page-products .usage-item .index-label { color: var(--electric); }

/* ---------- 03 球队档案 ---------- */
.page-products .archive-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-products .archive-grid__text {
  max-width: var(--prod-measure);
  margin: 0 0 24px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
}
.page-products .archive-grid__figure { margin: 0; }
.page-products .archive-grid__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--steel);
}
.page-products .compare-bar {
  padding: 22px 18px;
  border: 1px solid var(--line);
  background: rgba(27,53,80,.34);
}
.page-products .compare-side {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
}
.page-products .compare-side__name {
  font-size: 15px;
  color: var(--frost);
}
.page-products .compare-side__value {
  font-size: 15px;
  color: var(--frost);
}
.page-products .compare-side__fill {
  grid-column: 1 / -1;
  display: block;
  height: 12px;
  width: var(--fill, 50%);
  background: var(--silver);
}
.page-products .compare-side--turf .compare-side__fill { background: var(--electric); }
.page-products .compare-side--lava .compare-side__fill { background: var(--lava); }
.page-products .compare-slider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.page-products .compare-slider__btn {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  font: inherit;
  font-size: 20px;
  line-height: 1;
  color: var(--frost);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.page-products .compare-slider__btn:hover {
  color: var(--lava);
  border-color: var(--lava);
}
.page-products .compare-slider__track {
  position: relative;
  flex: 1 1 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--electric), var(--lava));
}
.page-products .compare-slider__track:focus-visible {
  outline: 2px solid var(--lava);
  outline-offset: 3px;
}
.page-products .compare-slider__grip {
  position: absolute;
  top: 50%;
  left: 60%;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
  background: var(--frost);
  border: 2px solid var(--lava);
}
.page-products .compare-bar__note { margin: 14px 0 0; }
.page-products .field-list {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
}
.page-products .field-item {
  display: grid;
  gap: 6px;
  padding: 18px;
  background: rgba(6,20,32,.5);
}
.page-products .field-item__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lava);
}
.page-products .field-item__val {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 04 青训档案（霜白底） ---------- */
.page-products .youth-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-products .youth-grid__figure { margin: 0; }
.page-products .youth-grid__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(167,180,194,.5);
}
.page-products .youth-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.page-products .youth-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid rgba(167,180,194,.4);
  color: var(--steel);
  font-size: 15px;
  line-height: 1.7;
}
.page-products .youth-list__tag {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--turf-deep);
  padding-top: 3px;
}
.page-products .alert-card {
  border: 1px solid rgba(47,191,113,.5);
  border-left: 4px solid var(--turf-deep);
  padding: 20px 18px;
  background: rgba(47,191,113,.08);
}
.page-products .alert-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--ice);
}
.page-products .alert-card__text {
  max-width: var(--prod-measure);
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.8;
}
.page-products .alert-card__note {
  margin: 12px 0 0;
  color: var(--steel);
}

/* ---------- 05 版本演进 ---------- */
.page-products .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-products .version-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 3vw, 34px);
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .22s ease, padding-left .22s ease;
}
.page-products .version-item:hover,
.page-products .version-item:focus-within {
  background: rgba(53,224,208,.05);
  padding-left: 10px;
}
.page-products .version-item__no {
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1;
  color: var(--silver);
  transition: color .22s ease;
}
.page-products .version-item:hover .version-item__no,
.page-products .version-item:focus-within .version-item__no {
  color: var(--lava);
}
.page-products .version-item__name {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--frost);
}
.page-products .version-item__desc {
  margin: 0;
  max-width: 40em;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.75;
}
.page-products .version-item__details {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--electric);
  font-size: 14px;
  line-height: 1.7;
  transition: max-height .28s ease, opacity .28s ease, margin-top .28s ease;
}
.page-products .version-item:hover .version-item__details,
.page-products .version-item:focus-within .version-item__details {
  max-height: 6em;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 06 安装步骤 ---------- */
.page-products .step-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  background: var(--line-soft);
}
.page-products .step-item {
  position: relative;
  padding: 22px 18px 22px 22px;
  background: rgba(27,53,80,.4);
  border-left: 3px solid var(--line-strong);
  transition: border-color .22s ease, background-color .22s ease;
}
.page-products .step-item:hover,
.page-products .step-item:focus-within {
  border-left-color: var(--lava);
  background: rgba(27,53,80,.72);
}
.page-products .step-item__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lava);
}
.page-products .step-item__title {
  margin: 8px 0 8px;
  font-size: 19px;
  color: var(--frost);
}
.page-products .step-item p {
  max-width: 40em;
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.78;
}
.page-products .install-help {
  margin-top: clamp(28px, 4vw, 40px);
  padding: 26px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--electric);
  background: rgba(6,20,32,.55);
}
.page-products .install-help__text {
  max-width: 42em;
  margin: 0 0 22px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
}
.page-products .install-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 07 合作席位 ---------- */
.page-products .out-band {
  background:
    linear-gradient(120deg, rgba(255,90,31,.10), transparent 58%),
    linear-gradient(180deg, var(--ice), var(--ink));
  border-top: 1px solid var(--line);
}
.page-products .out-band__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-products .out-band__copy .chapter-no {
  display: block;
  font-size: clamp(28px, 4.6vw, 46px);
  color: var(--lava);
  margin-bottom: 14px;
}
.page-products .out-band__title {
  margin: 0 0 16px;
  max-width: 18em;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.22;
  color: var(--frost);
}
.page-products .out-band__text {
  max-width: 44em;
  margin: 0 0 24px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
}
.page-products .out-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.page-products .out-link {
  color: var(--electric);
}
.page-products .out-band__aside {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(27,53,80,.34);
}
.page-products .out-band__aside .index-label { color: var(--silver); }
.page-products .out-band__aside-text {
  max-width: 34em;
  margin: 14px 0 12px;
  color: var(--frost);
  font-size: 15px;
  line-height: 1.78;
}
.page-products .out-band__aside .note { margin: 0; }

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .endpoint-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .usage-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .field-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .step-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .page-products .hero-band__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
  }
  .page-products .hero-band__visual { align-self: center; }
  .page-products .archive-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-products .youth-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-products .out-band__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-products .version-item {
    grid-template-columns: minmax(96px, 130px) 1fr;
  }
}

@media (max-width: 719px) {
  .page-products .cut-band { margin-top: -12px; padding: 11px 0; }
  .page-products .chapter-head { grid-template-columns: 1fr; gap: 10px; }
  .page-products .compare-slider__track { min-width: 0; }
  .page-products .req-table { min-width: 560px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .endpoint,
  .page-products .version-item,
  .page-products .version-item__details,
  .page-products .step-item,
  .page-products .usage-item,
  .page-products .window-tab,
  .page-products .compare-slider__btn {
    transition: none;
  }
  .page-products .endpoint:hover { transform: none; }
}

.page-products {
  --fill: currentColor;
}