.page-products {
  background: var(--abyss-navy);
  color: var(--text-on-dark);
  font-family: var(--font-display);
  padding-block: clamp(18px, 3vw, 32px) clamp(56px, 8vw, 104px);
}

.page-products .prod-flow {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-products .prod-flow > .breadcrumb { order: -1; }
.page-products .prod-flow > .prod-hero { order: 0; }
.page-products .prod-flow > #overview { order: 1; }
.page-products .prod-flow > #screen-small { order: 2; }
.page-products .prod-flow > #filters { order: 3; }
.page-products .prod-flow > #download { order: 4; }
.page-products .prod-flow > #scenarios { order: 5; }
.page-products .prod-flow > #versions { order: 6; }
.page-products .prod-flow > #cooperation { order: 7; }

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--slate-line);
}

.page-products .breadcrumb__item a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb__item a:hover {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
}

.page-products .breadcrumb__item[aria-current="page"] {
  color: var(--scoreboard-ivory);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .prod-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--scoreboard-ivory);
}

.page-products .prod-hero__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist-cyan);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 40px);
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 14px;
  border-left: 1px solid var(--slate-line);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

.page-products .prod-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.1;
  color: var(--neon-cyan);
  letter-spacing: -0.01em;
}

/* ---------- 索引面板 ---------- */
.page-products .prod-jump {
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  padding: clamp(16px, 2.6vw, 22px);
  background: linear-gradient(158deg, var(--deep-teal), var(--abyss-navy) 82%);
  box-shadow: var(--shadow-panel);
}

.page-products .prod-jump__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-products .prod-jump__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--scoreboard-ivory);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .prod-jump__list a:hover,
.page-products .prod-jump__list a:focus-visible {
  background: rgba(57, 230, 242, 0.1);
  border-color: var(--slate-line);
}

.page-products .prod-jump__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric-aqua);
}

/* ---------- 通用区块 ---------- */
.page-products .prod-section {
  margin-top: clamp(48px, 8vw, 96px);
  min-width: 0;
}

.page-products .prod-section__head {
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .prod-section__head h2 {
  margin: 10px 0;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--scoreboard-ivory);
}

.page-products .prod-section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-cyan);
}

/* ---------- 媒体 ---------- */
.page-products .media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background: linear-gradient(150deg, var(--midnight-indigo), var(--abyss-navy));
}

.page-products .prod-media--wide { aspect-ratio: 16 / 9; }
.page-products .prod-media--card { aspect-ratio: 3 / 2; }
.page-products .prod-media--tall { aspect-ratio: 3 / 4; }

.page-products .media__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px 12px;
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--mist-cyan);
  background: linear-gradient(to top, rgba(6, 26, 43, 0.94), rgba(6, 26, 43, 0));
}

/* ---------- 能力画板 ---------- */
.page-products .prod-overview {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

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

.page-products .prod-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background: linear-gradient(165deg, var(--deep-teal), var(--abyss-navy) 86%);
  box-shadow: var(--shadow-panel);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-products .prod-card:hover,
.page-products .prod-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-lift);
}

.page-products .prod-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--electric-aqua);
}

.page-products .prod-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--scoreboard-ivory);
}

.page-products .prod-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-cyan);
}

/* ---------- 分栏 ---------- */
.page-products .prod-split {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

.page-products .prod-split__body {
  min-width: 0;
}

/* ---------- 步骤 ---------- */
.page-products .prod-steps {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--slate-line);
}

.page-products .prod-steps li:last-child {
  border-bottom: 1px solid var(--slate-line);
}

.page-products .prod-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--electric-aqua);
  padding-top: 2px;
}

.page-products .prod-steps h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 800;
  color: var(--scoreboard-ivory);
}

.page-products .prod-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-cyan);
}

.page-products .prod-inline-link {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-products .prod-inline-link a {
  color: var(--electric-aqua);
  text-decoration: none;
  border-bottom: 1px solid var(--slate-line);
}

.page-products .prod-inline-link a:hover {
  border-bottom-color: var(--neon-cyan);
  color: var(--scoreboard-ivory);
}

/* ---------- 筛选画板 ---------- */
.page-products .prod-filterboard {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  padding: clamp(16px, 3vw, 28px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(120% 110% at 0% 0%, rgba(27, 27, 75, 0.92), rgba(27, 27, 75, 0) 62%),
    linear-gradient(150deg, var(--deep-teal), var(--abyss-navy));
  box-shadow: var(--shadow-panel);
}

.page-products .prod-filterboard__controls {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-products .prod-filtergroup {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.page-products .prod-filtergroup__label {
  margin: 0;
  padding-inline: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric-aqua);
}

.page-products .prod-rail {
  display: flex;
  gap: 8px;
  padding: 6px 2px 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--slate-line) transparent;
}

.page-products .prod-rail > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .prod-rail:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.page-products .prod-board {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(14px, 2.4vw, 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(6, 26, 43, 0.72);
}

.page-products .prod-board__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-products .prod-board__combo {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--slate-line);
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--scoreboard-ivory);
  word-break: break-word;
}

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

.page-products .prod-board__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.page-products .prod-board .status-pill {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 下载 ---------- */
.page-products .prod-devices {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-device {
  padding: 16px;
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-sm);
  background: rgba(11, 59, 74, 0.55);
}

.page-products .prod-device h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
}

.page-products .prod-device p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-cyan);
}

.page-products .prod-guide {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(20px, 3.4vw, 32px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background: linear-gradient(150deg, var(--wine-red), var(--midnight-indigo) 88%);
}

.page-products .prod-guide__head h3 {
  margin: 10px 0 8px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--scoreboard-ivory);
}

.page-products .prod-guide__head p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-cyan);
}

.page-products .prod-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.page-products .prod-topics li {
  padding: 7px 13px;
  border: 1px solid rgba(201, 244, 242, 0.32);
  border-radius: var(--radius-pill);
  background: rgba(6, 26, 43, 0.42);
  font-size: 13px;
  line-height: 1.4;
  color: var(--scoreboard-ivory);
}

/* ---------- 场景 ---------- */
.page-products .prod-scenes {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-scene {
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--slate-line);
  transition: border-color 0.22s var(--ease);
}

.page-products .prod-scene:hover {
  border-left-color: var(--neon-cyan);
}

.page-products .prod-scene__tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warning-amber);
}

.page-products .prod-scene h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--scoreboard-ivory);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-cyan);
}

/* ---------- 版本时间线 ---------- */
.page-products .prod-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-timeline li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--slate-line);
}

.page-products .prod-timeline li:last-child {
  border-bottom: 1px solid var(--slate-line);
}

.page-products .prod-timeline__year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--neon-cyan);
  letter-spacing: 0.02em;
}

.page-products .prod-timeline p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-cyan);
}

.page-products .prod-devicenote {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background: rgba(11, 59, 74, 0.5);
}

.page-products .prod-devicenote h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 800;
  color: var(--scoreboard-ivory);
}

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

.page-products .prod-devicenote li {
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-cyan);
}

.page-products .prod-devicenote strong {
  color: var(--scoreboard-ivory);
  font-weight: 700;
}

/* ---------- 合作 ---------- */
.page-products .prod-coop {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(90, 31, 53, 0.9), rgba(90, 31, 53, 0) 60%),
    linear-gradient(150deg, var(--deep-teal), var(--abyss-navy));
}

.page-products .prod-coop__body h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.22;
  color: var(--scoreboard-ivory);
}

.page-products .prod-coop__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-cyan);
}

.page-products .prod-coop__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-products .prod-coop__meta {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-products .prod-coop__meta a {
  color: var(--electric-aqua);
  text-decoration: none;
  border-bottom: 1px solid var(--slate-line);
}

.page-products .prod-coop__meta a:hover {
  border-bottom-color: var(--neon-cyan);
  color: var(--scoreboard-ivory);
}

.page-products .prod-coop__side {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--slate-line);
  border-radius: var(--radius-sm);
  background: rgba(6, 26, 43, 0.72);
}

.page-products .prod-coop__side h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--scoreboard-ivory);
}

.page-products .prod-coop__side p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-cyan);
}

.page-products .copy-feedback {
  min-height: 20px;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric-aqua);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.8fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .prod-jump {
    position: sticky;
    top: 96px;
  }

  .page-products .prod-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-products .prod-split--reverse {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-products .prod-filterboard {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .prod-guide {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .prod-coop {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .prod-cards > li:nth-child(2),
  .page-products .prod-cards > li:nth-child(5) {
    margin-top: 26px;
  }

  .page-products .prod-flow > #screen-small { order: 3; }
  .page-products .prod-flow > #filters { order: 2; }
}
<<<END>>>