.page-products {
  --prod-panel: #0F131A;
  --prod-text-soft: #C9CFD8;
  --prod-chip-bg: rgba(11, 13, 16, .6);
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

/* ---------- 面包屑与六入口回归条 ---------- */
.page-products .breadcrumbs {
  padding-top: 22px;
  font-size: 13px;
  color: var(--mist);
}
.page-products .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-products .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.page-products .breadcrumbs a:hover { color: var(--silver); }
.page-products .breadcrumbs [aria-current="page"] { color: var(--silver); }

.page-products .rail {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-products .rail::-webkit-scrollbar { display: none; }
.page-products .rail-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--graphite);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.page-products .rail-item:hover,
.page-products .rail-item:focus-visible {
  color: var(--silver);
  border-color: #3A4150;
  transform: translateY(-2px);
}
.page-products .rail-item:focus-visible { outline: 2px solid var(--blue-text); outline-offset: 2px; }
.page-products .rail-item.is-current {
  color: var(--silver);
  border-color: rgba(47, 107, 255, .65);
  box-shadow: inset 0 0 0 1px rgba(47, 107, 255, .22);
}
.page-products .rail-ico {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero { padding-top: 44px; }
.page-products .hero-head { max-width: 780px; }
.page-products .eyebrow {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue-text);
}
.page-products h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--silver);
}
.page-products .lead {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .btn { text-decoration: none; }

.page-products .hero-grid {
  display: grid;
  gap: 16px;
  margin-top: 34px;
  grid-template-columns: 1fr;
}

/* 筛选面板 */
.page-products .hero-filter {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(27, 22, 64, .6), rgba(16, 20, 25, .92));
}
.page-products .filter-title {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .filter-group + .filter-group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.page-products .filter-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-products .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--prod-chip-bg);
  color: var(--silver);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.page-products .chip:hover,
.page-products .chip:focus-visible {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--glow-blue);
}
.page-products .chip:focus-visible { outline: 2px solid var(--blue-text); outline-offset: 2px; }
.page-products .chip--num {
  min-width: 42px;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue-text);
}
.page-products .filter-note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 目录树预览 */
.page-products .hero-tree {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--graphite-deep);
}
.page-products .tree-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
}
.page-products .tree-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-products .tree-mini { padding: 18px 20px 22px; }
.page-products .tree-mini-head {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .tree-mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.page-products .tree-mini-item {
  border-left: 2px solid var(--line);
  padding-left: 12px;
}
.page-products .tree-mini-item--open { border-left-color: var(--blue); }
.page-products .tree-mini-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  color: var(--silver);
  font-size: 14.5px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.page-products .tree-mini-link .mono {
  font-size: 11.5px;
  color: var(--blue-text);
}
.page-products .tree-mini-link:hover,
.page-products .tree-mini-link:focus-visible { color: var(--blue-text); }
.page-products .tree-mini-link:focus-visible { outline: 2px solid var(--blue-text); outline-offset: 2px; }
.page-products .tree-mini-sub {
  margin: 0 0 10px;
  padding: 0 0 0 2px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.page-products .tree-mini-sub li {
  font-size: 12.5px;
  color: var(--mist);
  position: relative;
  padding-left: 10px;
}
.page-products .tree-mini-sub li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 4px;
  height: 1px;
  background: var(--line);
}
.page-products .tree-mini-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--blue-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 180, 255, .32);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-products .tree-mini-more:hover,
.page-products .tree-mini-more:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--blue);
}

/* ---------- 下载聚合条 ---------- */
.page-products .dl-bar {
  margin-top: 52px;
  border-block: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(47, 107, 255, .16) 0%, rgba(139, 92, 246, .11) 52%, rgba(255, 184, 107, .09) 100%),
    var(--graphite-deep);
}
.page-products .dl-bar-inner {
  display: grid;
  gap: 18px;
  padding: 26px 0;
  grid-template-columns: 1fr;
}
.page-products .dl-bar-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.page-products .dl-bar-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-products .dl-bar-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-products .dl-bar-body h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--silver);
}
.page-products .dl-bar-body p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .dl-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .dl-bar-cta { justify-self: start; }

/* ---------- 区块标题通用 ---------- */
.page-products .index-block,
.page-products .dl-block,
.page-products .version-log,
.page-products .path-block,
.page-products .scene-block,
.page-products .help-block { padding-top: 64px; }
.page-products .block-head { max-width: 720px; }
.page-products .block-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--silver);
}
.page-products .block-lead {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 栏目索引 ---------- */
.page-products .color-band {
  margin: 28px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.page-products .color-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 1;
  object-fit: cover;
}
.page-products .freq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 22px;
  padding: 14px 0;
  border-block: 1px solid var(--line);
}
.page-products .freq-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}
.page-products .freq-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.page-products .freq-dot--w { background: var(--amber); }
.page-products .freq-dot--b { background: var(--blue); }
.page-products .freq-dot--m { background: var(--violet); }

.page-products .index-grid {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-products .part {
  padding: 20px;
  background: var(--ink);
  transition: background var(--dur) var(--ease);
}
.page-products .part:hover,
.page-products .part:focus-within { background: var(--graphite); }
.page-products .part-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
}
.page-products .part-no {
  font-size: 12px;
  color: var(--blue-text);
}
.page-products .part-head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--silver);
}
.page-products .part-scene {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .part-list {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--prod-text-soft);
}
.page-products .part-list li {
  position: relative;
  padding-left: 12px;
}
.page-products .part-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 4px;
  height: 1px;
  background: var(--line);
}
.page-products .part-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--blue-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 180, 255, .3);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-products .part-link:hover,
.page-products .part-link:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--blue);
}

/* ---------- 下载通道 ---------- */
.page-products .channel-switch {
  position: relative;
  margin-top: 28px;
}
.page-products .channel-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-products .channel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .channel-tab {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--graphite);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .channel-tab-name {
  font-size: 14.5px;
  color: var(--silver);
}
.page-products .channel-tab .mono {
  font-size: 11.5px;
  color: var(--mist);
}
.page-products .channel-tab:hover { border-color: #3A4150; }

.page-products #dl-stable:checked ~ .channel-tabs [for="dl-stable"],
.page-products #dl-beta:checked ~ .channel-tabs [for="dl-beta"],
.page-products #dl-history:checked ~ .channel-tabs [for="dl-history"] {
  border-color: rgba(47, 107, 255, .8);
  background: linear-gradient(150deg, rgba(47, 107, 255, .24), rgba(139, 92, 246, .14));
  box-shadow: var(--glow-blue);
}
.page-products #dl-stable:focus-visible ~ .channel-tabs [for="dl-stable"],
.page-products #dl-beta:focus-visible ~ .channel-tabs [for="dl-beta"],
.page-products #dl-history:focus-visible ~ .channel-tabs [for="dl-history"] {
  outline: 2px solid var(--blue-text);
  outline-offset: 2px;
}

.page-products .channel-panels { margin-top: 18px; }
.page-products .channel-panel { display: none; }
.page-products #dl-stable:checked ~ .channel-panels .channel-panel--stable,
.page-products #dl-beta:checked ~ .channel-panels .channel-panel--beta,
.page-products #dl-history:checked ~ .channel-panels .channel-panel--history { display: block; }

.page-products .channel-panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--graphite-deep);
}
.page-products .panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-products .ver-num {
  font-family: var(--font-mono);
  font-size: clamp(23px, 4vw, 33px);
  letter-spacing: -.01em;
  color: var(--silver);
}
.page-products .copy-btn {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-products .copy-btn:hover,
.page-products .copy-btn:focus-visible {
  color: var(--silver);
  border-color: var(--blue);
}
.page-products .copy-btn:focus-visible { outline: 2px solid var(--blue-text); outline-offset: 2px; }

.page-products .spec-grid {
  display: grid;
  gap: 16px;
  margin-top: 20px;
  grid-template-columns: 1fr;
}
.page-products .spec {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.page-products .spec-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .spec-v {
  display: block;
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
}
.page-products .install-steps {
  counter-reset: step;
  display: grid;
  gap: 11px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .install-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--prod-text-soft);
}
.page-products .install-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}
.page-products .panel-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .dl-matrix {
  margin: 28px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.page-products .dl-matrix img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 版本表 ---------- */
.page-products .vtable-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--graphite-deep);
}
.page-products .vtable {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.page-products .vtable th {
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
  background: rgba(11, 13, 16, .7);
  border-bottom: 1px solid var(--line);
}
.page-products .vtable td {
  padding: 13px 14px;
  vertical-align: top;
  line-height: 1.65;
  color: var(--prod-text-soft);
  border-bottom: 1px solid var(--line);
}
.page-products .vtable tbody tr:last-child td { border-bottom: 0; }
.page-products .vtable tbody tr:hover td { background: rgba(47, 107, 255, .07); }
.page-products .vtable td.mono {
  color: var(--silver);
  white-space: nowrap;
}

/* ---------- 三步路径 ---------- */
.page-products .steps-flow {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-products .flow-item {
  padding: 22px 20px;
  background: var(--ink);
}
.page-products .flow-no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}
.page-products .flow-item h3 {
  margin: 12px 0 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--silver);
}
.page-products .flow-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .path-figure {
  margin: 24px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.page-products .path-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 场景列表 ---------- */
.page-products .scene-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}
.page-products .scene-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 1fr;
}
.page-products .scene-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--silver);
}
.page-products .scene-path {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-products .scene-link {
  justify-self: start;
  font-size: 13px;
  color: var(--blue-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 180, 255, .3);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-products .scene-link:hover,
.page-products .scene-link:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--blue);
}

/* ---------- 帮助入口 ---------- */
.page-products .help-grid {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-products .help-card {
  padding: 24px 20px;
  background: var(--graphite-deep);
}
.page-products .help-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--silver);
}
.page-products .help-card .mono {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-text);
}
.page-products .help-card p:not(.mono) {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .index-grid { grid-template-columns: repeat(2, 1fr); }
  .page-products .spec-grid { grid-template-columns: repeat(3, 1fr); }
  .page-products .channel-panel { padding: 26px 24px; }
}

@media (min-width: 780px) {
  .page-products .dl-bar-inner {
    grid-template-columns: 210px 1fr;
    align-items: center;
    gap: 28px;
    padding: 30px 0;
  }
  .page-products .dl-bar-cta {
    grid-column: 1 / -1;
    justify-self: start;
  }
  .page-products .steps-flow { grid-template-columns: repeat(3, 1fr); }
  .page-products .help-grid { grid-template-columns: repeat(3, 1fr); }
  .page-products .scene-row {
    grid-template-columns: 190px 1fr auto;
    align-items: center;
    gap: 22px;
  }
  .page-products .scene-link { justify-self: end; }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(300px, 380px) 1fr;
    align-items: start;
    gap: 26px;
  }
  .page-products .cat-hero { padding-top: 54px; }
  .page-products .index-block,
  .page-products .dl-block,
  .page-products .version-log,
  .page-products .path-block,
  .page-products .scene-block,
  .page-products .help-block { padding-top: 78px; }
}

@media (min-width: 1024px) {
  .page-products .index-grid { grid-template-columns: repeat(3, 1fr); }
  .page-products .part { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .rail-item,
  .page-products .chip,
  .page-products .part,
  .page-products .channel-tab,
  .page-products .copy-btn,
  .page-products .part-link,
  .page-products .scene-link,
  .page-products .tree-mini-more {
    transition: none;
  }
  .page-products .rail-item:hover,
  .page-products .chip:hover { transform: none; }
}
<<<PAGE_CSS_END>>>