.page-products {
  --pp-space: clamp(18px, 3vw, 34px);
  --pp-radius-cut: 34px;
  background: var(--ink-void);
  color: var(--frost);
  overflow-x: hidden;
}

.page-products .shell {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-products__hero {
  position: relative;
  padding: clamp(40px, 6vw, 78px) 0 clamp(44px, 6vw, 82px);
  background:
    radial-gradient(circle at 80% 12%, rgba(58, 231, 223, 0.13), transparent 48%),
    radial-gradient(circle at 8% 88%, rgba(27, 34, 96, 0.65), transparent 55%),
    var(--ink-void);
  overflow: hidden;
}

.page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
  pointer-events: none;
}

.page-products__hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-products__hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.2vw, 4.35rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-products__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(0.98rem, 1.5vw, 1.075rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-products__fact {
  padding: 14px 16px;
  background: rgba(6, 10, 28, 0.82);
}

.page-products__fact dt {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products__fact dd {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 0.94rem;
  color: var(--frost);
}

.page-products__fact .num {
  font-size: 1.35rem;
  margin-right: 3px;
}

.page-products__hero-figure {
  display: flex;
  justify-content: center;
}

.page-products__orbit {
  width: min(100%, 460px);
  height: auto;
  filter: drop-shadow(0 0 26px rgba(58, 231, 223, 0.16));
}

.page-products__orbit path {
  stroke-dasharray: 8 8;
  animation: pp-drift 9s linear infinite;
}

@keyframes pp-drift {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -160; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__orbit path { animation: none; }
}

/* ---------- 主体骨架 ---------- */

.page-products__body {
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-products__rail {
  display: none;
}

.page-products__content {
  min-width: 0;
}

.page-products__sec {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-top: clamp(44px, 6vw, 76px);
  border-top: 1px solid var(--line-soft);
}

.page-products__sec:first-child {
  border-top: 0;
  padding-top: clamp(28px, 4vw, 48px);
}

.page-products__sec h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--frost);
}

.page-products__sec h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.9vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-products__sec h4 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--frost);
}

.page-products__lead {
  margin: 16px 0 0;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products__note {
  margin: 18px 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 媒体框微调 ---------- */

.page-products__wide-media,
.page-products__entry-media {
  margin: clamp(26px, 3.5vw, 42px) 0 0;
}

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

/* ---------- 轨道卡片 ---------- */

.page-products__tracks {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-space);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products__track {
  position: relative;
  overflow: hidden;
}

.page-products__track::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon), transparent 72%);
  opacity: 0.75;
}

.page-products__track--wine::before {
  background: linear-gradient(90deg, var(--gold), transparent 72%);
}

.page-products__track-index {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products__track h3 {
  margin-top: 10px;
}

.page-products__track > p:not(.page-products__track-index) {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products__meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
}

.page-products__meta div {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-products__meta dt {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products__meta dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--frost);
}

/* ---------- 入口栏：分栏 ---------- */

.page-products__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-space);
  margin-top: clamp(26px, 3.5vw, 40px);
}

.page-products__steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line-soft);
  border-left: 2px solid var(--neon-dim);
}

.page-products__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 18px 18px 16px;
  background: var(--ink-deep);
}

.page-products__step-num {
  font-size: 1.05rem;
}

.page-products__step p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products__split-side {
  align-self: start;
}

.page-products__side-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products__split-side p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products__side-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-dim);
  padding-bottom: 2px;
}

.page-products__side-link:hover,
.page-products__side-link:focus-visible {
  border-bottom-color: var(--neon);
}

/* ---------- 中心栏：两步 ---------- */

.page-products__two-step {
  margin-top: clamp(26px, 3.5vw, 40px);
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(150deg, rgba(8, 64, 62, 0.55), rgba(14, 26, 68, 0.35) 62%, transparent);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), var(--cut) 100%, 0 100%);
}

.page-products__two-step-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-products__tick {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--neon);
  padding: 4px 10px;
  border: 1px solid var(--neon-dim);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.page-products__tick--gold {
  color: var(--gold);
  border-color: var(--gold-soft);
  background: var(--gold-soft);
}

.page-products__tick-line {
  flex: 1 1 60px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}

.page-products__two-step-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-space);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products__two-card {
  min-width: 0;
}

.page-products__two-card p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products__two-card--confirm {
  border-color: var(--neon-dim);
  box-shadow: inset 0 0 0 1px rgba(58, 231, 223, 0.08);
}

.page-products__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products__list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--frost);
}

.page-products__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

/* ---------- 下载栏 ---------- */

.page-products__download {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-space);
  margin-top: clamp(26px, 3.5vw, 40px);
}

.page-products__download-main {
  min-width: 0;
}

.page-products__version {
  margin: 8px 0 0;
  font-family: var(--font-data);
  line-height: 0.92;
  color: var(--gold);
  font-size: clamp(3.2rem, 11vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.page-products__download-sub {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--mist);
}

.page-products__confirm {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 0;
  padding: 12px 14px;
  border: 1px dashed var(--line);
  background: rgba(6, 10, 28, 0.6);
}

.page-products__confirm-dot {
  width: 11px;
  height: 11px;
  flex: none;
  background: var(--neon);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: pp-pulse 4s ease-in-out infinite;
}

@keyframes pp-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

.page-products__confirm-bar {
  flex: 1 1 auto;
  height: 4px;
  min-width: 40px;
  background: linear-gradient(90deg, var(--neon), rgba(243, 182, 60, 0.85));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-products__confirm-label {
  flex: none;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

@media (prefers-reduced-motion: reduce) {
  .page-products__confirm-dot { animation: none; }
}

.page-products__download-copy {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products__download-side {
  display: grid;
  gap: 2px;
  background: var(--line-soft);
  align-content: start;
}

.page-products__mini {
  padding: 20px 18px;
  background: var(--ink-deep);
  border-left: 2px solid var(--jewel-wine);
}

.page-products__mini p {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收藏迁移与同步 ---------- */

.page-products__sync {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  margin-top: clamp(26px, 3.5vw, 40px);
  align-items: start;
}

.page-products__sync-media {
  margin: 0;
}

.page-products__sync-copy h3 {
  margin-top: 24px;
}

.page-products__sync-copy h3:first-child {
  margin-top: 0;
}

.page-products__sync-copy p {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products__inline-btn {
  margin-top: 24px;
}

/* ---------- 场景 ---------- */

.page-products__scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: clamp(26px, 3.5vw, 40px);
  background: var(--line-soft);
}

.page-products__scene {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
}

.page-products__scene-tag {
  display: inline-block;
  margin: 0;
}

.page-products__scene h3 {
  margin-top: 14px;
  font-size: clamp(1.02rem, 1.7vw, 1.18rem);
}

.page-products__scene p:not(.page-products__scene-tag):not(.page-products__scene-go) {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.91rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products__scene-go {
  margin: 16px 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 版本记录 ---------- */

.page-products__release {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 40px);
  margin-top: clamp(26px, 3.5vw, 40px);
  align-items: start;
}

.page-products__release-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-products__release-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0 20px 18px;
  position: relative;
}

.page-products__release-item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 28px;
  width: 8px;
  height: 8px;
  background: var(--jewel-wine);
  border: 1px solid var(--gold);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-products__release-ver {
  font-size: 1.22rem;
  line-height: 1.2;
}

.page-products__release-item p {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products__release-side {
  align-self: start;
}

.page-products__release-side p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */

.page-products__closing {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(26px, 4vw, 46px);
  background:
    radial-gradient(circle at 88% 14%, rgba(58, 231, 223, 0.14), transparent 52%),
    linear-gradient(140deg, var(--jewel-indigo), var(--ink-void) 72%);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-products__closing h2 {
  margin-top: 12px;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
}

.page-products__closing p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products__closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 平板 ---------- */

@media (min-width: 700px) {
  .page-products__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products__two-step-body {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products__download {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

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

  .page-products__closing {
    padding-right: clamp(130px, 18vw, 240px);
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1080px) {
  .page-products__hero-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  }

  .page-products__hero-figure {
    justify-content: flex-end;
  }

  .page-products__body {
    display: grid;
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-products__rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding-right: 18px;
    border-right: 1px solid var(--line-soft);
  }

  .page-products__rail-nav {
    display: grid;
    gap: 2px;
    margin-top: 14px;
  }

  .page-products__rail-nav a {
    display: flex;
    gap: 10px;
    align-items: baseline;
    padding: 9px 10px 9px 12px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--mist);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color 180ms linear, border-color 180ms linear, background-color 180ms linear;
  }

  .page-products__rail-nav a .mono {
    font-size: 0.72rem;
    color: var(--gold);
  }

  .page-products__rail-nav a:hover,
  .page-products__rail-nav a:focus-visible {
    color: var(--frost);
    background: rgba(58, 231, 223, 0.06);
  }

  .page-products__rail-nav a[aria-current="true"] {
    color: var(--frost);
    border-left-color: var(--neon);
    background: rgba(58, 231, 223, 0.08);
  }

  .page-products__split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-products__sync {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-products__release {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

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

/* ---------- 超宽 ---------- */

@media (min-width: 1340px) {
  .page-products__sec {
    padding-top: clamp(56px, 5vw, 88px);
  }

  .page-products__scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>