.page-products {
  --prod-muted: rgba(232, 243, 238, 0.66);
  --prod-dim: rgba(232, 243, 238, 0.42);
  --prod-surface: rgba(18, 69, 47, 0.42);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  color: var(--mist);
  background:
    radial-gradient(900px 540px at 10% -8%, rgba(53, 242, 196, 0.1), transparent 62%),
    radial-gradient(760px 480px at 92% 2%, rgba(47, 107, 255, 0.1), transparent 60%),
    var(--deep);
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(30, 74, 58, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 74, 58, 0.55) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 42%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 42%);
}

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

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  padding: clamp(1.75rem, 4.5vw, 3.25rem) 0 clamp(2rem, 5.5vw, 3.75rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-hero__inner {
  max-width: 1040px;
}

.page-products .breadcrumb {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--prod-dim);
  margin-bottom: 1.4rem;
}

.page-products .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  text-decoration: underline;
}

.page-products .breadcrumb span[aria-hidden] {
  margin: 0 0.5rem;
  color: var(--gridline);
}

.page-products .prod-hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin: 0.55rem 0 1rem;
  max-width: 20ch;
}

.page-products .prod-hero .lede {
  font-size: clamp(1rem, 1.5vw, 1.0938rem);
  line-height: 1.78;
  color: var(--prod-muted);
  max-width: 66ch;
  margin: 0;
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-products .prod-stat {
  background: var(--deep-lift);
  padding: 1rem 1.1rem 1.15rem;
}

.page-products .prod-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.55rem, 4vw, 2.25rem);
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-stat__num em {
  font-style: normal;
  font-size: 0.58em;
  color: var(--gold);
  margin-left: 0.1em;
}

.page-products .prod-stat__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--prod-muted);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.4rem, 3.5vw, 2rem);
}

/* ---------- 主体骨架 ---------- */

.page-products .prod-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-products .prod-rail {
  border: 1px solid var(--line-soft);
  background: var(--prod-surface);
  padding: 0.75rem;
  border-radius: var(--radius);
}

.page-products .prod-rail__title {
  margin: 0 0 0.6rem;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--prod-dim);
}

.page-products .prod-rail__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .prod-rail__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-rail__list li {
  flex: 0 0 auto;
}

.page-products .prod-rail__list a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.875rem;
  color: var(--prod-muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .prod-rail__list a:hover,
.page-products .prod-rail__list a:focus-visible {
  color: var(--mist);
  border-color: var(--line);
  background: rgba(53, 242, 196, 0.06);
}

.page-products .prod-rail__no {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .prod-rail__cta {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.8125rem;
  color: var(--gold);
  text-decoration: none;
}

.page-products .prod-rail__cta:hover {
  text-decoration: underline;
}

/* ---------- 章节通用 ---------- */

.page-products .prod-flow > .prod-section {
  padding-bottom: clamp(2.25rem, 5.5vw, 3.75rem);
  margin-bottom: clamp(2.25rem, 5.5vw, 3.75rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-sechead {
  max-width: 74ch;
  margin-bottom: clamp(1.1rem, 3vw, 1.9rem);
}

.page-products .prod-sechead h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.125rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin: 0.5rem 0 0.7rem;
}

.page-products .prod-sechead .lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--prod-muted);
  max-width: 66ch;
}

.page-products .prod-figure {
  margin: 0 0 clamp(1.4rem, 3.2vw, 2.1rem);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--deep-mid);
}

.page-products .prod-figure--wide img {
  aspect-ratio: 16 / 9;
}

.page-products .prod-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .prod-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-products .prod-figure--band img {
  aspect-ratio: 2 / 1;
}

.page-products .prod-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--prod-dim);
}

.page-products .prod-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 0.15rem;
}

/* ---------- 功能矩阵 ---------- */

.page-products .prod-filter {
  position: relative;
}

.page-products .prod-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prod-filter__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.page-products .prod-filter__tabs label {
  cursor: pointer;
  padding: 0.42rem 0.9rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--prod-muted);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  user-select: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .prod-filter__tabs label:hover {
  color: var(--mist);
  border-color: var(--line);
}

.page-products #fx-all:checked ~ .prod-filter__tabs label[for="fx-all"],
.page-products #fx-live:checked ~ .prod-filter__tabs label[for="fx-live"],
.page-products #fx-track:checked ~ .prod-filter__tabs label[for="fx-track"],
.page-products #fx-read:checked ~ .prod-filter__tabs label[for="fx-read"] {
  color: var(--deep);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products #fx-live:checked ~ .prod-matrix .prod-row:not(.is-live),
.page-products #fx-track:checked ~ .prod-matrix .prod-row:not(.is-track),
.page-products #fx-read:checked ~ .prod-matrix .prod-row:not(.is-read) {
  display: none;
}

.page-products .prod-matrix {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
  padding: 1.05rem 0.9rem;
  border-bottom: 1px solid var(--line-soft);
  transition: background 160ms var(--ease);
}

.page-products .prod-row:hover {
  background: rgba(53, 242, 196, 0.05);
}

.page-products .prod-row__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .prod-row__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.35;
  color: #ffffff;
}

.page-products .prod-row__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--prod-muted);
}

.page-products .prod-row__cadence,
.page-products .prod-row__fit {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--prod-muted);
}

.page-products .prod-row__k {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 2px;
}

/* ---------- 球衣号码指南 ---------- */

.page-products .prod-jersey {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.25rem);
  margin-bottom: clamp(1.4rem, 3.2vw, 2.1rem);
}

.page-products .prod-jersey__wheel {
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 50%, rgba(53, 242, 196, 0.12), transparent 62%),
    var(--deep-mid);
}

.page-products .prod-jersey__wheel svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
}

.page-products .jw-ring {
  fill: none;
  stroke: var(--gridline);
  stroke-width: 1;
}

.page-products .jw-ring--inner {
  stroke-dasharray: 3 5;
}

.page-products .jw-dot {
  fill: rgba(10, 43, 34, 0.92);
  stroke: var(--line);
  stroke-width: 1;
}

.page-products .jw-dot:first-of-type {
  stroke: var(--cyan);
  stroke-width: 1.5;
}

.page-products .jw-num {
  fill: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
}

.page-products .jw-center {
  fill: #ffffff;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  text-anchor: middle;
}

.page-products .jw-center-sub {
  fill: var(--prod-dim);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-anchor: middle;
}

.page-products .prod-jersey__paths {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-jersey__paths li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-products .prod-jersey__paths h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.35;
  color: #ffffff;
}

.page-products .prod-jersey__paths p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--prod-muted);
}

/* ---------- 数据专栏 ---------- */

.page-products .prod-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.25rem);
}

.page-products .prod-columns__aside {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  background: var(--prod-surface);
  padding: 1.1rem 1.15rem 1.25rem;
  border-radius: var(--radius);
}

.page-products .prod-columns__k {
  margin: 0 0 0.7rem;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--prod-dim);
}

.page-products .prod-columns__rules {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-columns__rules li {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--prod-muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-columns__rules strong {
  display: inline-block;
  min-width: 3.2rem;
  color: var(--cyan);
  font-weight: 700;
}

.page-products .prod-columns__stat {
  margin: 0.9rem 0 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--prod-muted);
}

.page-products .prod-columns__stat span {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gold);
  margin-right: 0.35rem;
}

.page-products .prod-columns__link {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.8125rem;
  color: var(--blue);
  text-decoration: none;
}

.page-products .prod-columns__link:hover {
  text-decoration: underline;
}

.page-products .prod-archive {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-case {
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 69, 47, 0.62), rgba(10, 43, 34, 0.62));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .prod-case:hover {
  transform: translateY(-3px);
  border-color: var(--line);
}

.page-products .prod-case__no {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--prod-dim);
}

.page-products .prod-case h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: #ffffff;
}

.page-products .prod-case p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.66;
  color: var(--prod-muted);
}

.page-products .prod-case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

/* ---------- 多端看板 ---------- */

.page-products .prod-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.25rem);
}

.page-products .prod-plain {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-plain li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-products .prod-plain h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.35;
  color: #ffffff;
}

.page-products .prod-plain p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--prod-muted);
}

.page-products .prod-devices__note {
  margin: 1.1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--prod-dim);
}

.page-products .prod-devices__note a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .prod-devices__note a:hover {
  text-decoration: underline;
}

/* ---------- 更新节奏 ---------- */

.page-products .prod-timeline {
  overflow-x: auto;
  margin-bottom: clamp(1.4rem, 3.2vw, 2.1rem);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-products .prod-timeline:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .prod-timeline__track {
  position: relative;
  display: flex;
  margin: 0;
  padding: 0 0 1.4rem;
  list-style: none;
  min-width: min-content;
}

.page-products .prod-timeline__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 26px;
  height: 1px;
  background: var(--gridline);
}

.page-products .prod-timeline__node {
  position: relative;
  flex: 0 0 min(230px, 64vw);
  padding: 62px 1.3rem 0 1.25rem;
  scroll-snap-align: start;
}

.page-products .prod-timeline__node::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 196, 0.14);
}

.page-products .prod-timeline__time {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .prod-timeline__node h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: #ffffff;
}

.page-products .prod-timeline__node p:last-child {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.68;
  color: var(--prod-muted);
}

/* ---------- 收尾 ---------- */

.page-products .prod-cta {
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(53, 242, 196, 0.14), rgba(47, 107, 255, 0.12)),
    var(--deep-mid);
}

.page-products .prod-cta h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.25;
  color: #ffffff;
}

.page-products .prod-cta p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--prod-muted);
  max-width: 62ch;
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

/* ---------- 显现动效 ---------- */

.page-products [data-reveal].is-in {
  animation: prodRise 360ms var(--ease) both;
}

@keyframes prodRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal].is-in {
    animation: none;
  }
  .page-products .prod-case:hover {
    transform: none;
  }
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 720px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .prod-jersey {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-devices {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    align-items: start;
  }

  .page-products .prod-devices .prod-figure {
    margin-bottom: 0;
  }

  .page-products .prod-row {
    grid-template-columns: 3rem minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.5rem 1.1rem;
    align-items: start;
    padding: 1.15rem 0.9rem;
  }

  .page-products .prod-row__title {
    font-size: 1.125rem;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-shell {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .page-products .prod-rail {
    position: sticky;
    top: 6.5rem;
    align-self: start;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    padding: 1rem 1.1rem 1.2rem;
  }

  .page-products .prod-rail__list {
    display: block;
    overflow: visible;
  }

  .page-products .prod-rail__list li + li {
    border-top: 1px solid var(--line-soft);
  }

  .page-products .prod-rail__list a {
    padding: 0.7rem 0.2rem;
    border: 0;
    border-radius: 0;
    white-space: normal;
  }

  .page-products .prod-columns {
    grid-template-columns: minmax(0, 268px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-products .prod-figure figcaption,
  .page-products .prod-row__desc,
  .page-products .prod-jersey__paths p,
  .page-products .prod-plain p,
  .page-products .prod-case p {
    font-size: 0.845rem;
  }
}