.page-products {
  --pr-cut: 26px;
  --pr-gap: clamp(16px, 2.4vw, 28px);
  color: var(--text-ice);
  background-color: var(--ink-void);
  padding-bottom: clamp(56px, 9vw, 112px);
  overflow-x: clip;
}

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

.page-products .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-mist);
}

.page-products .breadcrumb a {
  color: var(--text-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  margin-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(34, 48, 74, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 48, 74, .55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding-top: clamp(18px, 3vw, 38px);
}

.page-products .pr-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.page-products .pr-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text-ice);
}

.page-products .pr-hero__lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.2vw, 16px);
  line-height: 1.85;
  color: var(--text-mist);
}

.page-products .pr-hero__stats {
  display: grid;
  gap: 16px;
  padding-left: clamp(16px, 2vw, 26px);
  border-left: 1px solid var(--line-steel);
}

.page-products .pr-stat {
  display: grid;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pr-stat__k {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mist);
}

.page-products .pr-stat__v {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--accent-cyan);
}

.page-products .pr-stat--accent .pr-stat__v {
  color: var(--accent-orange);
}

.page-products .pr-stat__n {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-mist);
}

/* ---------- 章节头 ---------- */
.page-products .pr-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3.5vw, 40px);
  max-width: 76ch;
}

.page-products .pr-sec-head__num {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--accent-cyan);
}

.page-products .pr-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--text-ice);
}

.page-products .pr-sec-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-mist);
}

/* ---------- 产品线轨道 ---------- */
.page-products .pr-lines {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-products .pr-lines__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pr-index__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-mist);
}

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

.page-products .pr-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 12px 12px 14px;
  border-left: 2px solid var(--line-steel);
  color: var(--text-ice);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.55;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pr-index__link:hover,
.page-products .pr-index__link:focus-visible {
  border-left-color: var(--accent-cyan);
  background: rgba(56, 242, 224, .07);
  color: var(--accent-cyan);
}

.page-products .pr-index__num {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--accent-cyan);
}

.page-products .pr-index__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-mist);
}

@media (max-width: 1023px) {
  .page-products .pr-index__list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 599px) {
  .page-products .pr-index__list {
    grid-template-columns: 1fr;
  }
}

/* ---------- 产品面板 ---------- */
.page-products .pr-panel {
  position: relative;
  margin-bottom: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 40px);
  background: linear-gradient(158deg, var(--ink-console) 0%, var(--ink-panel) 100%);
  border: 1px solid var(--line-steel);
  scroll-margin-top: 96px;
}

.page-products .pr-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--pr-cut);
  height: var(--pr-cut);
  background: linear-gradient(225deg, var(--ink-void) 50%, transparent 50%);
  pointer-events: none;
}

.page-products .pr-panel:last-child {
  margin-bottom: 0;
}

.page-products .pr-panel__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .pr-panel__num {
  padding-right: 12px;
  border-right: 1px solid var(--line-steel);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent-cyan);
}

.page-products .pr-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.32;
  color: var(--text-ice);
}

.page-products .pr-panel__lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-mist);
}

.page-products .pr-panel .media-frame {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-products .pr-panel__next {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-steel);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-mist);
}

.page-products .pr-panel__next a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .45);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pr-panel__next a:hover,
.page-products .pr-panel__next a:focus-visible {
  border-bottom-color: var(--accent-cyan);
}

/* ---------- 事实列表 ---------- */
.page-products .pr-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-facts li {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-steel);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-products .pr-facts__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.page-products .pr-facts__v {
  color: var(--text-ice);
}

/* ---------- 回放时间轴 ---------- */
.page-products .pr-timeline {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 16px 18px;
  background: rgba(123, 97, 255, .08);
  border: 1px solid rgba(123, 97, 255, .34);
}

.page-products .pr-timeline__track {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-violet) 100%);
  opacity: .9;
}

.page-products .pr-timeline__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-mist);
}

/* ---------- 导出速度 ---------- */
.page-products .pr-speed {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-products .pr-speed__row {
  display: grid;
  gap: 6px;
}

.page-products .pr-speed__k {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-mist);
}

.page-products .pr-speed__bar {
  display: flex;
  align-items: center;
  min-width: 140px;
  height: 34px;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-ice);
  transition: filter var(--dur) var(--ease);
}

.page-products .pr-speed__bar--before {
  width: 100%;
  background: rgba(142, 160, 184, .16);
  border-left: 2px solid var(--text-mist);
}

.page-products .pr-speed__bar--after {
  width: 60%;
  background: rgba(255, 122, 26, .22);
  border-left: 2px solid var(--accent-orange);
}

.page-products .pr-speed__row:hover .pr-speed__bar,
.page-products .pr-speed__row:focus-within .pr-speed__bar {
  filter: brightness(1.3);
}

@media (max-width: 520px) {
  .page-products .pr-speed__bar--after {
    width: 72%;
  }
}

/* ---------- 历史版本 ---------- */
.page-products .pr-versions {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-products .pr-versions__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .pr-vlist {
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-vrow {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-vrow__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--accent-cyan);
}

.page-products .pr-vrow__v {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-ice);
}

.page-products .pr-versions__media .media-frame {
  margin-bottom: 16px;
}

/* ---------- 适用场景 ---------- */
.page-products .pr-scenes {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-products .pr-scene-grid {
  display: grid;
  gap: 14px;
}

.page-products .pr-scene {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-console);
  border: 1px solid var(--line-steel);
  border-top: 2px solid var(--accent-cyan);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pr-scene:nth-child(2) {
  border-top-color: var(--accent-violet);
}

.page-products .pr-scene:nth-child(3) {
  border-top-color: var(--accent-orange);
}

.page-products .pr-scene:nth-child(4) {
  border-top-color: var(--state-green);
}

.page-products .pr-scene:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.page-products .pr-scene__who {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--text-mist);
}

.page-products .pr-scene h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.38;
  color: var(--text-ice);
}

.page-products .pr-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mist);
}

.page-products .pr-scene__first {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--accent-cyan);
}

.page-products .pr-scenes__media {
  margin-top: clamp(18px, 2.6vw, 28px);
}

/* ---------- 获取方式 ---------- */
.page-products .pr-start {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-products .pr-start__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-products .pr-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-step:first-child {
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-step__num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--accent-orange);
}

.page-products .pr-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.42;
  color: var(--text-ice);
}

.page-products .pr-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mist);
}

.page-products .pr-start__card {
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(155deg, rgba(56, 242, 224, .1) 0%, rgba(11, 18, 32, .92) 58%);
  border: 1px solid var(--line-steel);
}

.page-products .pr-start__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--text-ice);
}

.page-products .pr-start__card > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mist);
}

.page-products .pr-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

.page-products .pr-start__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-steel);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-mist);
}

.page-products .pr-start__meta a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .45);
}

.page-products .pr-start__meta a:hover,
.page-products .pr-start__meta a:focus-visible {
  border-bottom-color: var(--accent-cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pr-facts li {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .pr-scene-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .pr-start__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .75fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-products .pr-lines__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pr-index {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 1ms !important;
    animation: none !important;
  }
}

.page-products {
  --pr-cut: 26px;
  --pr-gap: clamp(16px, 2.4vw, 28px);
}

/* 顶栏小标 */
.page-products .pr-kicker {
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin: 0 0 14px;
}

/* 首屏 */
.page-products .pr-hero {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(36px, 5vw, 64px);
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background-image:
    linear-gradient(to right, rgba(34, 48, 74, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 48, 74, .55) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: end;
}

.page-products .pr-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--text-ice);
  max-width: 16ch;
}

.page-products .pr-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mist);
  max-width: 46ch;
}

.page-products .pr-hero__stats {
  display: grid;
  gap: 16px;
  border-left: 1px solid var(--line-steel);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-products .pr-stat {
  display: grid;
  gap: 4px;
}

.page-products .pr-stat__k {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-mist);
}

.page-products .pr-stat__v {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  color: var(--accent-cyan);
}

.page-products .pr-stat--accent .pr-stat__v {
  color: var(--accent-orange);
}

.page-products .pr-stat__n {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-mist);
}

/* 章节头 */
.page-products .pr-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 36px);
  max-width: 62ch;
}

.page-products .pr-sec-head__num {
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin: 0;
}

.page-products .pr-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-ice);
}

.page-products .pr-sec-head__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mist);
}

/* 产品线三轨 */
.page-products .pr-lines {
  padding: clamp(40px, 6vw, 80px) 0 0;
}

.page-products .pr-lines__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pr-index {
  border: 1px solid var(--line-steel);
  background: var(--ink-console);
  padding: 18px 16px;
  align-self: start;
}

.page-products .pr-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mist);
}

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

.page-products .pr-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid transparent;
  color: var(--text-ice);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pr-index__link:hover,
.page-products .pr-index__link:focus-visible {
  border-left-color: var(--accent-cyan);
  background: rgba(56, 242, 224, .06);
  color: var(--accent-cyan);
}

.page-products .pr-index__num {
  font-size: 11px;
  color: var(--accent-cyan);
  letter-spacing: .06em;
}

.page-products .pr-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-steel);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-mist);
}

/* 面板 */
.page-products .pr-panel {
  position: relative;
  margin: 0 0 20px;
  padding: clamp(20px, 3vw, 36px);
  background: linear-gradient(160deg, var(--ink-console), var(--ink-panel));
  border: 1px solid var(--line-steel);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.page-products .pr-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--pr-cut);
  height: var(--pr-cut);
  background: linear-gradient(225deg, var(--ink-void) 50%, transparent 50%);
  pointer-events: none;
}

.page-products .pr-panel__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-products .pr-panel__num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent-cyan);
  padding-right: 12px;
  border-right: 1px solid var(--line-steel);
}

.page-products .pr-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  color: var(--text-ice);
}

.page-products .pr-panel__lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mist);
  max-width: 62ch;
}

.page-products .pr-panel__next {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-steel);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-mist);
}

.page-products .pr-panel__next a,
.page-products .pr-start__meta a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .35);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pr-panel__next a:hover,
.page-products .pr-panel__next a:focus-visible,
.page-products .pr-start__meta a:hover,
.page-products .pr-start__meta a:focus-visible {
  border-bottom-color: var(--accent-cyan);
}

/* 数据行 */
.page-products .pr-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-facts li {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-facts__k {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.page-products .pr-facts__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-ice);
}

/* 图片容器 */
.page-products .media-frame {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  background: var(--ink-void);
  border: 1px solid var(--line-steel);
  position: relative;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--accent-cyan);
  background: rgba(5, 7, 13, .82);
  border-top: 1px solid var(--line-steel);
  border-right: 1px solid var(--line-steel);
}

/* 回放时间刻度 */
.page-products .pr-timeline {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 16px 18px 14px;
  background: rgba(123, 97, 255, .07);
  border: 1px solid rgba(123, 97, 255, .3);
}

.page-products .pr-timeline__track {
  height: 6px;
  background: linear-gradient(90deg, rgba(56, 242, 224, .85), rgba(123, 97, 255, .9));
}

.page-products .pr-timeline__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--text-mist);
}

/* 导出速度条 */
.page-products .pr-speed {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-products .pr-speed__row {
  display: grid;
  gap: 6px;
}

.page-products .pr-speed__k {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-mist);
}

.page-products .pr-speed__bar {
  display: flex;
  align-items: center;
  min-width: 136px;
  height: 34px;
  padding-left: 12px;
  font-size: 12.5px;
  color: var(--text-ice);
  transition: filter var(--dur) var(--ease);
}

.page-products .pr-speed__row:hover .pr-speed__bar {
  filter: brightness(1.25);
}

.page-products .pr-speed__bar--before {
  width: 100%;
  background: rgba(142, 160, 184, .18);
  border-left: 2px solid var(--text-mist);
}

.page-products .pr-speed__bar--after {
  width: 60%;
  background: rgba(255, 122, 26, .26);
  border-left: 2px solid var(--accent-orange);
}

/* 历史版本 */
.page-products .pr-versions {
  padding: clamp(40px, 6vw, 80px) 0 0;
}

.page-products .pr-versions__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-products .pr-vlist {
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-vrow {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-vrow__k {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.page-products .pr-vrow__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-ice);
}

/* 场景卡片 */
.page-products .pr-scenes {
  padding: clamp(40px, 6vw, 80px) 0 0;
}

.page-products .pr-scene-grid {
  display: grid;
  gap: 14px;
}

.page-products .pr-scene {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-console);
  border: 1px solid var(--line-steel);
  border-top: 2px solid var(--accent-cyan);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pr-scene:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.page-products .pr-scene:nth-child(2) {
  border-top-color: var(--accent-violet);
}

.page-products .pr-scene:nth-child(3) {
  border-top-color: var(--accent-orange);
}

.page-products .pr-scene:nth-child(4) {
  border-top-color: var(--state-green);
}

.page-products .pr-scene__who {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-mist);
  margin-bottom: 8px;
}

.page-products .pr-scene h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--text-ice);
}

.page-products .pr-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mist);
}

.page-products .pr-scene__first {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--accent-cyan);
}

.page-products .pr-scenes__media {
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-products .pr-scenes__media .media-frame {
  margin-bottom: 0;
}

/* 获取方式 */
.page-products .pr-start {
  padding: clamp(40px, 6vw, 80px) 0 0;
}

.page-products .pr-start__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .pr-steps {
  display: grid;
}

.page-products .pr-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-steel);
}

.page-products .pr-step:first-child {
  border-top: 1px solid var(--line-steel);
}

.page-products .pr-step__num {
  font-size: 12px;
  color: var(--accent-orange);
  padding-top: 3px;
}

.page-products .pr-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--text-ice);
}

.page-products .pr-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mist);
}

.page-products .pr-start__card {
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(165deg, rgba(56, 242, 224, .1), var(--ink-console) 62%);
  border: 1px solid var(--line-steel);
  align-self: start;
}

.page-products .pr-start__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--text-ice);
}

.page-products .pr-start__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mist);
}

.page-products .pr-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-products .pr-start__meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-steel);
  font-size: 12.5px;
  line-height: 1.7;
}

/* 断点 */
@media (min-width: 720px) {
  .page-products .pr-facts li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-products .pr-vrow {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-products .pr-scene-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, .7fr);
  }

  .page-products .pr-versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    align-items: start;
  }

  .page-products .pr-start__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .pr-lines__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pr-index {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-index__link,
  .page-products .pr-scene,
  .page-products .pr-speed__bar,
  .page-products .pr-panel__next a,
  .page-products .pr-start__meta a {
    transition: none;
  }

  .page-products .pr-scene:hover {
    transform: none;
  }
}
<<<END>>>