.page-products {
  --svc-gap: clamp(52px, 7vw, 96px);
  --svc-edge: clamp(20px, 6vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-products .svc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(38px, 6vw, 64px)) var(--edge) clamp(48px, 7vw, 84px);
  border-bottom: 1px solid var(--ink-700);
}

.page-products .svc-hero__track {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-products .svc-hero__track .svc-trk {
  fill: none;
  stroke: var(--volt-green);
  stroke-width: 1;
  opacity: 0.32;
}

.page-products .svc-hero__track .svc-trk-line {
  fill: none;
  stroke: var(--ink-700);
  stroke-width: 1;
}

.page-products .svc-hero__track .svc-trk-dot {
  fill: var(--volt-orange);
}

.page-products .svc-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-products .svc-hero .breadcrumbs {
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-products .svc-hero h1 {
  margin: 16px 0 0;
  color: var(--white);
  max-width: 14ch;
}

.page-products .svc-hero .lede {
  margin-top: 24px;
  max-width: 58ch;
  color: var(--gray-400);
}

.page-products .svc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-products .svc-stats {
  list-style: none;
  margin: clamp(36px, 6vw, 64px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
  max-width: 780px;
}

.page-products .svc-stats li {
  background: var(--ink-900);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .svc-stats .num {
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--volt-green);
}

.page-products .svc-stats__k {
  font-size: 13px;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}

/* ---------- 骨架 ---------- */
.page-products .svc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-products .svc-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
  padding: 10px 0;
  scroll-snap-type: x proximity;
}

.page-products .svc-index__title {
  display: none;
}

.page-products .svc-index a {
  flex: 0 0 auto;
  scroll-snap-align: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid var(--ink-700);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .svc-index a:hover,
.page-products .svc-index a:focus-visible,
.page-products .svc-index a[data-active] {
  color: var(--volt-green);
  border-color: var(--volt-green);
  outline: none;
}

.page-products .svc-body {
  min-width: 0;
}

.page-products .svc-sec {
  padding-bottom: var(--svc-gap);
}

.page-products .svc-sec + .svc-sec {
  border-top: 1px solid var(--ink-700);
  padding-top: var(--svc-gap);
}

.page-products .svc-sec h2 {
  margin: 14px 0 0;
  max-width: 18ch;
  color: var(--white);
}

.page-products .svc-sec .lede {
  margin-top: 20px;
  max-width: 62ch;
  color: var(--gray-400);
}

.page-products .svc-sec h3.title-md {
  margin: 0 0 8px;
  font-size: 19px;
  color: var(--white);
}

.page-products .svc-sec p {
  max-width: 62ch;
}

.page-products .svc-sec p + p {
  margin-top: 12px;
}

/* ---------- 01 三块 ---------- */
.page-products .svc-trio {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .svc-block {
  padding: 22px 20px 18px;
  background: var(--ink-800);
}

.page-products .svc-block__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--volt-green);
  margin-bottom: 10px;
}

.page-products .svc-block p {
  font-size: 15px;
  color: var(--gray-400);
}

.page-products .svc-block .note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--ink-700);
}

/* ---------- 图文分栏 ---------- */
.page-products .svc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-products .svc-split__figure {
  margin: 0;
}

.page-products .svc-figure {
  margin: 0;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-products .svc-figure figcaption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--gray-400);
  padding: 10px 14px;
  border-top: 1px solid var(--ink-700);
}

.page-products .svc-figure--wide {
  margin-top: clamp(26px, 4vw, 40px);
}

/* ---------- 02 联赛带 ---------- */
.page-products .svc-band-title {
  margin: clamp(32px, 5vw, 52px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--volt-orange);
  text-transform: uppercase;
}

.page-products .svc-leagues {
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 14px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .svc-league {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 148px;
  padding: 14px 16px;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--dur) var(--ease);
}

.page-products .svc-league:hover {
  border-color: var(--volt-green);
}

.page-products .svc-league__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-products .svc-league__meta {
  font-size: 12px;
  color: var(--gray-400);
  letter-spacing: 0.04em;
}

/* ---------- 03 桌面端 ---------- */
.page-products .svc-desktop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-products .svc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
  counter-reset: step;
}

.page-products .svc-steps li {
  position: relative;
  padding-left: 44px;
}

.page-products .svc-steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--volt-green);
  border-top: 2px solid var(--volt-green);
  padding-top: 6px;
}

.page-products .svc-steps p {
  font-size: 15px;
  color: var(--gray-400);
}

.page-products .svc-keylist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink-700);
}

.page-products .svc-keylist li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-700);
  font-size: 14px;
  color: var(--gray-400);
}

.page-products .svc-keylist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--volt-orange);
}

/* ---------- 04 阵容变动 ---------- */
.page-products .svc-changes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .svc-chg {
  border: 1px solid var(--ink-700);
  border-left-width: 4px;
  background: var(--ink-800);
  padding: 16px 18px;
  cursor: default;
  transition: background var(--dur) var(--ease);
  outline: none;
}

.page-products .svc-chg.is-green { border-left-color: var(--volt-green); }
.page-products .svc-chg.is-red { border-left-color: var(--alert-red); }
.page-products .svc-chg.is-orange { border-left-color: var(--volt-orange); }
.page-products .svc-chg.is-gray { border-left-color: var(--gray-400); }

.page-products .svc-chg:hover,
.page-products .svc-chg:focus-visible {
  background: var(--ink-900);
}

.page-products .svc-chg__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-products .svc-chg__lead {
  font-size: 15px;
  color: var(--white);
  margin: 0;
}

.page-products .svc-chg__more {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-400);
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease), opacity 220ms var(--ease), margin-top 300ms var(--ease);
}

.page-products .svc-chg:hover .svc-chg__more,
.page-products .svc-chg:focus-visible .svc-chg__more,
.page-products .svc-chg:focus-within .svc-chg__more {
  max-height: 140px;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 05 提醒节点 ---------- */
.page-products .svc-nodes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-products .svc-node {
  border-top: 2px solid var(--ink-700);
  padding-top: 16px;
}

.page-products .svc-node__t {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--volt-green);
  margin-bottom: 8px;
}

.page-products .svc-node p {
  font-size: 15px;
  color: var(--gray-400);
  margin: 0;
}

.page-products .svc-sec .note {
  margin-top: 22px;
  max-width: 62ch;
}

/* ---------- 06 同步 ---------- */
.page-products .svc-sync {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  margin-top: clamp(26px, 4vw, 40px);
  align-items: center;
}

.page-products .svc-sync__text p {
  font-size: 15px;
  color: var(--gray-400);
}

/* ---------- 07 版本面板 ---------- */
.page-products .svc-release {
  padding: clamp(26px, 4vw, 48px) clamp(20px, 3.4vw, 44px);
  color: var(--on-paper);
}

.page-products .svc-release .eyebrow {
  color: rgba(20, 24, 31, 0.62);
}

.page-products .svc-release h2,
.page-products .svc-release h3 {
  color: var(--on-paper);
}

.page-products .svc-release .lede {
  color: rgba(20, 24, 31, 0.78);
}

.page-products .svc-release__list {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px 32px;
}

.page-products .svc-release__list li {
  border-top: 1px solid rgba(20, 24, 31, 0.18);
  padding-top: 14px;
}

.page-products .svc-release__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(20, 24, 31, 0.5);
  margin-bottom: 6px;
}

.page-products .svc-release__list p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(20, 24, 31, 0.78);
  margin: 0;
}

.page-products .svc-release__cta {
  margin-top: clamp(26px, 4vw, 38px);
}

/* ---------- 08 场景卡 ---------- */
.page-products .svc-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .svc-scene {
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  padding: 18px 20px;
  transition: border-color var(--dur) var(--ease);
}

.page-products .svc-scene[open],
.page-products .svc-scene:hover {
  border-color: rgba(183, 255, 60, 0.5);
}

.page-products .svc-scene summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-products .svc-scene summary::-webkit-details-marker {
  display: none;
}

.page-products .svc-scene summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--volt-green);
}

.page-products .svc-scene[open] summary::after {
  content: "−";
}

.page-products .svc-scene p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-400);
  margin: 14px 0 0;
}

/* ---------- 收尾 ---------- */
.page-products .svc-outro {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(40px, 6vw, 80px) 0 0;
  border-top: 1px solid var(--ink-700);
}

.page-products .svc-outro h2 {
  margin: 0;
  max-width: 16ch;
  color: var(--white);
}

.page-products .svc-outro .lede {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--gray-400);
}

.page-products .svc-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .svc-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .svc-nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-products .svc-keylist li {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

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

@media (min-width: 860px) {
  .page-products .svc-trio {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-products .svc-trio > :nth-child(2) {
    margin-top: 38px;
  }

  .page-products .svc-trio > :nth-child(3) {
    margin-top: 76px;
  }

  .page-products .svc-split {
    grid-template-columns: 1.02fr 0.98fr;
  }

  .page-products .svc-split--reverse .svc-split__text {
    order: 1;
  }

  .page-products .svc-split__figure {
    margin-top: 24px;
  }

  .page-products .svc-desktop {
    grid-template-columns: 1.12fr 0.88fr;
  }

  .page-products .svc-sync {
    grid-template-columns: 0.92fr 1.08fr;
  }

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

@media (min-width: 1000px) {
  .page-products .svc-shell {
    grid-template-columns: 162px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-products .svc-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border: 0;
    border-left: 1px solid var(--ink-700);
    padding: 0 0 0 16px;
    scroll-snap-type: none;
  }

  .page-products .svc-index__title {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--gray-400);
  }

  .page-products .svc-index a {
    border: 0;
    padding: 9px 0;
    white-space: normal;
    font-size: 12.5px;
    line-height: 1.4;
  }

  .page-products .svc-index a[data-active] {
    border-left: 2px solid var(--volt-green);
    padding-left: 10px;
    margin-left: -16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-chg__more,
  .page-products .svc-chg,
  .page-products .svc-league,
  .page-products .svc-scene,
  .page-products .svc-index a {
    transition: none;
  }
}
<<<END>>>