.page-products {
  --pp-gap: clamp(20px, 3.5vw, 40px);
  --pp-panel-bg: rgba(28, 18, 54, 0.72);
  --pp-line-soft: rgba(42, 27, 77, 0.9);
  --pp-veil: rgba(8, 6, 15, 0.6);
  --pp-radius: 2px;
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 58px);
  background:
    radial-gradient(1100px 480px at 78% -12%, rgba(109, 59, 245, 0.32), transparent 62%),
    radial-gradient(620px 380px at 4% 108%, rgba(55, 230, 217, 0.1), transparent 66%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border-bottom: 1px solid var(--line);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(109, 59, 245, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 59, 245, 0.07) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

.page-products .pp-hero .shell {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: var(--fs-display);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-products .pp-hero__text {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
}

.page-products .pp-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-800);
}

.page-products .pp-metric__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.3rem);
  line-height: 1;
  color: var(--white);
  text-shadow: 0 0 22px rgba(109, 59, 245, 0.5);
}

.page-products .pp-metric__unit {
  margin-left: 2px;
  font-size: 0.5em;
  color: var(--neon-soft);
}

.page-products .pp-metric__label {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 步骤条 ---------- */
.page-products .pp-steps {
  position: relative;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-steps__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.page-products .pp-steps__inner::-webkit-scrollbar {
  display: none;
}

.page-products .pp-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(28, 18, 54, 0.6);
  color: var(--text);
  font-size: 0.85rem;
  text-decoration: none;
  transition: border-color 120ms var(--ease), color 120ms var(--ease), background 120ms var(--ease);
}

.page-products .pp-step:hover,
.page-products .pp-step:focus-visible {
  border-color: var(--neon);
  background: rgba(109, 59, 245, 0.18);
  color: var(--white);
}

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .pp-step__text {
  white-space: nowrap;
}

/* ---------- 右侧进度刻度 ---------- */
.page-products .pp-rail {
  display: none;
}

/* ---------- 区块基线 ---------- */
.page-products .pp-section {
  padding: clamp(44px, 7vw, 88px) 0;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-section--alt {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-products .pp-section .section__desc {
  max-width: 60ch;
}

.page-products .pp-section .rule {
  margin-top: clamp(20px, 3vw, 32px);
}

/* ---------- 常驻通道 ---------- */
.page-products .pp-channel-layout {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-channels {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .pp-channel {
  position: relative;
  padding: 20px 18px 20px 22px;
  background: var(--ink-800);
  transition: background 140ms var(--ease);
}

.page-products .pp-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 140ms var(--ease);
}

.page-products .pp-channel:hover::before {
  background: var(--cyan);
}

.page-products .pp-channel:hover {
  background: var(--ink-700);
}

.page-products .pp-channel__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--neon-soft);
  text-shadow: 0 0 12px rgba(169, 123, 255, 0.45);
}

.page-products .pp-channel__name {
  margin: 8px 0 8px;
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--white);
}

.page-products .pp-channel__text {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pp-channel .tag {
  display: inline-block;
}

/* ---------- 图片框 ---------- */
.page-products .pp-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-products .pp-figure--tall img {
  aspect-ratio: 3 / 2;
}

.page-products .pp-figure--wide img {
  aspect-ratio: 7 / 4;
}

.page-products .pp-figure--band img {
  aspect-ratio: 14 / 9;
}

.page-products .pp-figure--glow {
  box-shadow: var(--glow-neon);
}

.page-products .pp-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-label);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- 直达路径 ---------- */
.page-products .pp-path {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-path__svgwrap {
  padding: 12px;
  background: var(--pp-panel-bg);
  border: 1px solid var(--line);
}

.page-products .pp-tree__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-tree__line {
  fill: none;
  stroke: rgba(109, 59, 245, 0.55);
  stroke-width: 1.6;
}

.page-products .pp-tree__node circle {
  fill: rgba(28, 18, 54, 0.95);
  stroke: var(--neon);
  stroke-width: 1.6;
}

.page-products .pp-tree__node--root circle {
  fill: rgba(109, 59, 245, 0.9);
  stroke: var(--neon-soft);
}

.page-products .pp-tree__node text {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  fill: var(--white);
  text-anchor: middle;
}

.page-products .pp-tree__side {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: var(--cyan);
  opacity: 0.85;
}

.page-products .pp-path__sub {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--white);
}

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

.page-products .pp-path__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-products .pp-path__k {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-path__note {
  margin: 18px 0 22px;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(55, 230, 217, 0.07);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 屏幕适配 ---------- */
.page-products .pp-screens {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--pp-gap);
  align-items: end;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-screen {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  outline: none;
}

.page-products .pp-screen__glow {
  position: absolute;
  left: 12%;
  right: 12%;
  top: -14px;
  height: 26px;
  background: radial-gradient(closest-side, rgba(109, 59, 245, 0.55), transparent);
  filter: blur(8px);
  opacity: 0.7;
  transition: opacity 160ms var(--ease);
}

.page-products .pp-screen__frame {
  display: flex;
  gap: 5px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: linear-gradient(180deg, var(--ink-700), var(--ink-850));
  box-shadow: inset 0 0 22px rgba(109, 59, 245, 0.14);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-screen--wide .pp-screen__frame {
  aspect-ratio: 16 / 9;
}

.page-products .pp-screen--tab .pp-screen__frame {
  aspect-ratio: 4 / 3;
}

.page-products .pp-screen--phone .pp-screen__frame {
  aspect-ratio: 9 / 16;
  max-width: 132px;
  width: 100%;
  margin: 0 auto;
}

.page-products .pp-screen__col {
  flex: 0 0 22%;
  border-radius: 1px;
  background: linear-gradient(180deg, rgba(109, 59, 245, 0.85), rgba(109, 59, 245, 0.28));
}

.page-products .pp-screen__wall {
  flex: 1 1 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-content: flex-start;
}

.page-products .pp-screen__wall i {
  flex: 0 0 calc(25% - 4px);
  height: 16%;
  min-height: 8px;
  border-radius: 1px;
  background: rgba(201, 196, 216, 0.22);
}

.page-products .pp-screen__wall i:nth-child(2n) {
  background: rgba(55, 230, 217, 0.28);
}

.page-products .pp-screen__wall i:nth-child(3n) {
  background: rgba(109, 59, 245, 0.4);
}

.page-products .pp-screen--phone .pp-screen__wall i {
  flex: 0 0 calc(50% - 4px);
}

.page-products .pp-screen__name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--white);
}

.page-products .pp-screen__hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-dim);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 240ms var(--ease), opacity 240ms var(--ease);
}

.page-products .pp-screen:hover .pp-screen__frame,
.page-products .pp-screen:focus-visible .pp-screen__frame {
  transform: translateY(-4px);
  border-color: var(--neon);
}

.page-products .pp-screen:hover .pp-screen__glow,
.page-products .pp-screen:focus-visible .pp-screen__glow {
  opacity: 1;
}

.page-products .pp-screen:hover .pp-screen__hint,
.page-products .pp-screen:focus-visible .pp-screen__hint {
  max-height: 80px;
  opacity: 1;
}

.page-products .pp-screens + .pp-figure {
  margin-top: var(--pp-gap);
}

/* ---------- 跨设备 ---------- */
.page-products .pp-split {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-split__body .section__desc {
  max-width: 56ch;
}

.page-products .pp-resume__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-resume__list li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-800);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-products .pp-resume__k {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--neon-soft);
}

.page-products .pp-resume__tip {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--neon);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 活动规则 ---------- */
.page-products .pp-rules {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-rule {
  position: relative;
  padding: 20px 18px 20px 58px;
  background: var(--ink-800);
  transition: background 140ms var(--ease);
}

.page-products .pp-rule:hover {
  background: var(--ink-700);
}

.page-products .pp-rule__num {
  position: absolute;
  left: 18px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-rule__name {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--white);
}

.page-products .pp-rule__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pp-rules__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
}

.page-products .pp-rules__text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-scene {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--pp-panel-bg);
  overflow: hidden;
}

.page-products .pp-scene::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--cyan));
  opacity: 0.7;
}

.page-products .pp-scene__tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: rgba(55, 230, 217, 0.08);
}

.page-products .pp-scene__title {
  margin: 14px 0 10px;
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-products .pp-scene__text {
  margin: 0 0 18px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-scene__do {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-scene__do span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .pp-scenes + .pp-figure {
  margin-top: var(--pp-gap);
}

/* ---------- 结尾行动 ---------- */
.page-products .pp-cta {
  display: grid;
  gap: 20px;
  margin-top: var(--pp-gap);
  padding: 26px 22px;
  background:
    radial-gradient(520px 240px at 88% 0%, rgba(109, 59, 245, 0.3), transparent 70%),
    var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
}

.page-products .pp-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--white);
}

.page-products .pp-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 700px) {
  .page-products .pp-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pp-cta {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
    padding: 30px 28px;
  }

  .page-products .pp-path__list li {
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    gap: 12px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 980px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-products .pp-hero__metrics {
    grid-template-columns: 1fr;
  }

  .page-products .pp-metric {
    flex-direction: row;
    align-items: baseline;
    gap: 14px;
    padding: 16px 18px;
  }

  .page-products .pp-metric__label {
    margin-left: auto;
    text-align: right;
  }

  .page-products .pp-channel-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-products .pp-path {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }

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

/* ---------- 宽屏：右侧纵向刻度 ---------- */
@media (min-width: 1180px) {
  .page-products .pp-rail {
    position: fixed;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 14px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(12, 9, 24, 0.82);
    backdrop-filter: blur(6px);
  }

  .page-products .pp-rail::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 22px;
    bottom: 22px;
    width: 1px;
    transform: translateX(-50%);
    background: var(--line);
  }

  .page-products .pp-rail__dot {
    position: relative;
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--ink-800);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition: color 120ms var(--ease), border-color 120ms var(--ease), box-shadow 120ms var(--ease);
  }

  .page-products .pp-rail__dot:hover,
  .page-products .pp-rail__dot:focus-visible {
    color: var(--white);
    border-color: var(--neon);
    box-shadow: var(--glow-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-products .pp-screen:hover .pp-screen__frame,
  .page-products .pp-screen:focus-visible .pp-screen__frame {
    transform: none;
  }
}
<<<END>>>