.page-products {
  --prod-radius: 2px;
  --prod-pad: clamp(18px, 3vw, 36px);
  --prod-gap: clamp(20px, 3vw, 34px);
}

.page-products .prod-section {
  margin-top: clamp(56px, 8vw, 108px);
}

.page-products .prod-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .prod-head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .prod-head__sub {
  margin: 0;
  color: var(--steel);
  font-size: 1rem;
  line-height: 1.75;
}

/* ---------- 首屏：工具轨道 + 面板 ---------- */
.page-products .prod-hero {
  display: grid;
  gap: var(--prod-gap);
  padding-top: clamp(24px, 4vw, 48px);
}

.page-products .prod-hero__rail {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-products .prod-hero__hint {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-products .prod-switch {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 10px;
}

.page-products .prod-switch__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  color: var(--ice);
  text-decoration: none;
  font-size: 0.94rem;
  transition: border-color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.page-products .prod-switch__link:hover,
.page-products .prod-switch__link:focus-visible {
  border-left-color: var(--electric);
  background: rgba(53, 224, 242, 0.08);
  transform: translateX(2px);
}

.page-products .prod-switch__num {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--electric);
}

.page-products .prod-hero__stage {
  position: relative;
  overflow: hidden;
  padding: var(--prod-pad);
  border: 1px solid var(--line);
  border-radius: var(--prod-radius);
  background:
    linear-gradient(135deg, rgba(53, 224, 242, 0.10), transparent 44%),
    linear-gradient(315deg, rgba(232, 180, 92, 0.10), transparent 38%),
    var(--midnight);
}

.page-products .prod-hero__stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.35;
  pointer-events: none;
}

.page-products .prod-hero__stage > * {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__stage h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ice);
}

.page-products .prod-hero__stage .lead {
  margin: 0 0 24px;
  max-width: 56ch;
  color: var(--ice);
  opacity: 0.88;
}

.page-products .prod-readout {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products .prod-readout__item {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--electric);
  background: rgba(4, 24, 38, 0.62);
}

.page-products .prod-readout__key {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .prod-readout__val {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--electric);
}

.page-products .prod-readout__unit {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: var(--steel);
}

.page-products .prod-readout__note {
  font-size: 0.8rem;
  color: var(--steel);
}

.page-products .prod-hero__shot {
  margin: 0;
  border: 1px solid var(--line-accent);
}

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

/* ---------- 仪表板卡片 ---------- */
.page-products .prod-dash {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .prod-card {
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
  border-radius: var(--prod-radius);
}

.page-products .prod-card__top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .prod-card__state {
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .prod-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-products .prod-card__body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .prod-card__meta {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
}

.page-products .prod-card__meta div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.82rem;
}

.page-products .prod-card__meta dt {
  color: var(--electric);
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.page-products .prod-card__meta dd {
  margin: 0;
  color: var(--ice);
  opacity: 0.85;
}

/* ---------- V3 章节 ---------- */
.page-products .prod-v3__grid {
  display: grid;
  gap: var(--prod-gap);
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--electric);
  background:
    linear-gradient(180deg, rgba(53, 224, 242, 0.06), transparent 30%),
    var(--deep-sea);
  border-radius: var(--prod-radius);
}

.page-products .prod-v3__main h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .prod-v3__main p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .prod-points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--electric);
  transform: rotate(45deg);
}

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

.page-products .prod-v3__action {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-products .prod-fold {
  border: 1px solid var(--line);
  border-radius: var(--prod-radius);
  background: rgba(10, 39, 66, 0.72);
  padding: 0 14px;
  margin-bottom: 10px;
}

.page-products .prod-fold summary {
  cursor: pointer;
  padding: 13px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ice);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.page-products .prod-fold summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 1rem;
  color: var(--electric);
}

.page-products .prod-fold[open] summary::after {
  content: "–";
}

.page-products .prod-fold p {
  margin: 0 0 14px;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--steel);
}

/* ---------- 球迷追踪 ---------- */
.page-products .prod-trace {
  display: grid;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-trace__media figure {
  margin: 0;
  border: 1px solid var(--line-accent);
}

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

.page-products .prod-trace__body h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .prod-trace__body > p {
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .prod-trace__cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-products .prod-tile {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--neon);
  background: rgba(10, 39, 66, 0.66);
  border-radius: var(--prod-radius);
  transition: transform var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.page-products .prod-tile:hover {
  transform: translateY(-2px);
  border-color: var(--line-accent);
  border-left-color: var(--neon);
}

.page-products .prod-tile__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ice);
}

.page-products .prod-tile p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .prod-trace__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--steel);
}

/* ---------- 阵容面板 ---------- */
.page-products .prod-lineup__grid {
  display: grid;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-lineup__shot {
  margin: 0;
  border: 1px solid var(--line);
}

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

.page-products .prod-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.page-products .prod-filter {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.page-products .prod-filter--on {
  border-color: var(--electric);
  color: var(--electric);
  background: rgba(53, 224, 242, 0.09);
}

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

.page-products .prod-lineup__list li {
  display: grid;
  grid-template-columns: 12px 5em 1fr;
  align-items: start;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(10, 39, 66, 0.6);
  border-radius: var(--prod-radius);
  font-size: 0.88rem;
  line-height: 1.6;
}

.page-products .prod-lineup__list .dot {
  margin-top: 0.5em;
}

.page-products .prod-lineup__label {
  color: var(--ice);
  font-weight: 500;
}

.page-products .prod-lineup__desc {
  color: var(--steel);
}

.page-products .prod-lineup__tip {
  margin: 16px 0 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 复盘与榜单 ---------- */
.page-products .prod-board {
  display: grid;
  gap: var(--prod-gap);
  align-items: center;
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(232, 180, 92, 0.11), transparent 46%),
    var(--midnight);
  border-radius: var(--prod-radius);
}

.page-products .prod-board__body h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .prod-board__body > p {
  margin: 0 0 18px;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .prod-board__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-board__list li {
  display: grid;
  grid-template-columns: 4.4em 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.66;
  color: var(--steel);
}

.page-products .prod-board__key {
  color: var(--gold);
  font-size: 1.05rem;
}

.page-products .prod-board__action {
  margin: 0;
}

.page-products .prod-board__shot {
  margin: 0;
  border: 1px solid var(--line-accent);
}

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

/* ---------- 四步流程 ---------- */
.page-products .prod-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: prod-step;
}

.page-products .prod-step {
  position: relative;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--electric);
  background: rgba(10, 39, 66, 0.55);
  border-radius: var(--prod-radius);
  transition: transform var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.page-products .prod-step:hover {
  transform: translateY(-2px);
  border-color: var(--line-accent);
  border-top-color: var(--electric);
}

.page-products .prod-step__num {
  display: block;
  font-size: 1.5rem;
  color: var(--electric);
  opacity: 0.8;
  margin-bottom: 6px;
}

.page-products .prod-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--ice);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .prod-steps__action {
  margin: 24px 0 0;
}

/* ---------- 版本与兼容 ---------- */
.page-products .prod-compat__grid {
  display: grid;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-compat__table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--prod-radius);
  background: rgba(10, 39, 66, 0.6);
}

.page-products .prod-compat__table table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.page-products .prod-compat__table th,
.page-products .prod-compat__table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

.page-products .prod-compat__table thead th {
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  color: var(--electric);
  background: rgba(4, 24, 38, 0.7);
  white-space: nowrap;
}

.page-products .prod-compat__table tbody th {
  color: var(--ice);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .prod-compat__table tbody td {
  color: var(--steel);
}

.page-products .prod-compat__table tbody tr:last-child th,
.page-products .prod-compat__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .prod-compat__side figure {
  margin: 0 0 16px;
  border: 1px solid var(--line);
}

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

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

.page-products .prod-devices li {
  display: grid;
  grid-template-columns: 4em auto;
  gap: 4px 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-accent);
  border-radius: var(--prod-radius);
}

.page-products .prod-devices__name {
  color: var(--ice);
  font-weight: 500;
  font-size: 0.92rem;
}

.page-products .prod-devices__spec {
  color: var(--electric);
  font-size: 0.8rem;
  align-self: center;
}

.page-products .prod-devices__desc {
  grid-column: 1 / -1;
  font-size: 0.84rem;
  line-height: 1.66;
  color: var(--steel);
}

/* ---------- 行动入口 ---------- */
.page-products .prod-cta__inner {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.6vw, 40px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background:
    linear-gradient(115deg, rgba(53, 224, 242, 0.09), transparent 55%),
    var(--midnight);
  border-radius: var(--prod-radius);
}

.page-products .prod-cta__inner h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-products .prod-cta__inner p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.76;
  color: var(--steel);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .prod-readout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-hero__rail {
    position: sticky;
    top: 88px;
  }

  .page-products .prod-v3__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-products .prod-trace {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(24px, 4vw, 46px);
  }

  .page-products .prod-lineup__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(24px, 4vw, 44px);
  }

  .page-products .prod-board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: clamp(24px, 4vw, 44px);
  }

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

  .page-products .prod-compat__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 44px);
  }

  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .prod-cta__actions {
    justify-content: flex-end;
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-switch__link,
  .page-products .prod-tile,
  .page-products .prod-step {
    transition: none;
  }

  .page-products .prod-switch__link:hover,
  .page-products .prod-tile:hover,
  .page-products .prod-step:hover {
    transform: none;
  }
}
<<<END>>>