.page-products {
  --pp-gap: clamp(20px, 3.6vw, 44px);
  --pp-card: rgba(21, 28, 56, 0.72);
  display: block;
  background: var(--ink);
  color: var(--ivory);
}

/* ── 首屏 ───────────────────────────────────────── */
.page-products .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 5.6vw, 84px) 0 clamp(30px, 4vw, 56px);
}

.page-products .pp-hero::before,
.page-products .pp-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.page-products .pp-hero::before {
  width: min(560px, 92vw);
  height: min(560px, 92vw);
  top: -30%;
  right: -16%;
  background: radial-gradient(circle, rgba(108, 75, 255, 0.46), rgba(108, 75, 255, 0) 66%);
}

.page-products .pp-hero::after {
  width: min(420px, 72vw);
  height: min(420px, 72vw);
  bottom: -38%;
  left: -14%;
  background: radial-gradient(circle, rgba(53, 230, 210, 0.22), rgba(53, 230, 210, 0) 68%);
}

.page-products .pp-hero__inner {
  position: relative;
}

.page-products .pp-hero__title {
  margin: 18px 0 20px;
  max-width: 20ch;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.85rem);
  line-height: 1.14;
  letter-spacing: 0.005em;
  color: var(--ivory);
}

.page-products .pp-hero__lede {
  max-width: 60ch;
  color: var(--mist);
}

.page-products .pp-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--ember);
}

.page-products .pp-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ember);
  border-radius: 999px;
  background: rgba(21, 28, 56, 0.6);
  color: var(--mist);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-jump a:hover,
.page-products .pp-jump a:focus-visible {
  color: var(--ivory);
  border-color: var(--haze);
  background: rgba(108, 75, 255, 0.2);
  transform: translateY(-2px);
  outline: none;
}

.page-products .pp-jump a:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

/* ── 通用区块与正文 ─────────────────────────────── */
.page-products .pp-block {
  padding: clamp(46px, 6.4vw, 92px) 0;
}

.page-products .pp-split {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-text {
  max-width: 60ch;
  margin: 0 0 18px;
  color: var(--ivory);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-products .pp-text--wide {
  max-width: 66ch;
}

.page-products .pp-note {
  max-width: 58ch;
  margin: 4px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--ember);
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-products .pp-split__media,
.page-products .media-frame img {
  width: 100%;
  height: auto;
}

.page-products .media-frame img {
  display: block;
  border-radius: var(--radius-md);
}

.page-products .media-frame__caption {
  margin-top: 12px;
  color: var(--mist);
  font-size: var(--fs-12);
  line-height: 1.7;
}

/* ── 步骤列表 ───────────────────────────────────── */
.page-products .pp-steps {
  list-style: none;
  margin: 26px 0 22px;
  padding: 0;
  counter-reset: ppstep;
}

.page-products .pp-steps li {
  position: relative;
  padding: 0 0 0 46px;
  margin: 0 0 18px;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-products .pp-steps li:last-child {
  margin-bottom: 0;
}

.page-products .pp-steps li::before {
  counter-increment: ppstep;
  content: "0" counter(ppstep);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pp-steps li strong {
  color: var(--ivory);
  font-weight: 600;
}

/* ── 要点列表 ───────────────────────────────────── */
.page-products .pp-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-points li {
  position: relative;
  padding-left: 22px;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-products .pp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* ── 分类网格 ───────────────────────────────────── */
.page-products .pp-genres {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-genre {
  padding: 20px 20px 22px;
  border: 1px solid var(--ember);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(21, 28, 56, 0.9), rgba(11, 18, 38, 0.9));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-products .pp-genre:hover {
  border-color: var(--haze);
  background: linear-gradient(155deg, rgba(108, 75, 255, 0.2), rgba(11, 18, 38, 0.94));
  transform: translateY(-3px);
}

.page-products .pp-genre__num {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pp-genre__name {
  margin: 8px 0 6px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pp-genre__desc {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-products .pp-genre-note {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(36px, 5vw, 64px);
}

.page-products .pp-genre-note__title,
.page-products .pp-gains__title {
  margin: 0 0 14px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

/* ── 三端 ───────────────────────────────────────── */
.page-products .pp-devices {
  display: grid;
  gap: 16px;
  margin-top: 30px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-device {
  padding: 24px 22px 26px;
  border-radius: var(--radius-md);
  border-top: 2px solid var(--cyan);
  background: var(--pp-card);
}

.page-products .pp-device__tag {
  margin: 0;
  color: var(--cyan);
}

.page-products .pp-device__title {
  margin: 10px 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pp-device__text {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-products .pp-devices__media {
  margin-top: clamp(30px, 4vw, 52px);
}

/* ── 接入四步 ───────────────────────────────────── */
.page-products .pp-steps4 {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-steps4 > li {
  padding: 22px 20px 24px;
  border-radius: var(--radius-md);
  border-left: 2px solid var(--neon);
  background: linear-gradient(160deg, rgba(21, 28, 56, 0.94), rgba(5, 6, 14, 0.9));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-steps4 > li:hover {
  border-left-color: var(--cyan);
  transform: translateY(-4px);
}

.page-products .pp-steps4__num {
  margin: 0;
  color: var(--gold);
}

.page-products .pp-steps4__title {
  margin: 10px 0 8px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pp-steps4__text {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-products .pp-gains {
  display: grid;
  gap: 20px;
  margin-top: clamp(34px, 4.6vw, 56px);
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(108, 75, 255, 0.2), rgba(11, 18, 38, 0.92) 62%);
}

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

.page-products .pp-onboard__media {
  margin-top: clamp(30px, 4vw, 52px);
}

/* ── 更新节奏刻度 ───────────────────────────────── */
.page-products .pp-ruler {
  display: grid;
  gap: 0;
  margin-top: 34px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-ruler__item {
  position: relative;
  padding: 22px 8px 26px 24px;
  border-left: 1px solid var(--ember);
}

.page-products .pp-ruler__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 210, 0.14);
}

.page-products .pp-ruler__label {
  margin: 0;
  color: var(--haze);
}

.page-products .pp-ruler__title {
  margin: 10px 0 8px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pp-ruler__text {
  margin: 0;
  max-width: 34ch;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ── 场景选择 ───────────────────────────────────── */
.page-products .pp-scene__grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pp-scene__item {
  display: block;
  padding: 24px 22px 26px;
  border: 1px solid var(--ember);
  border-radius: var(--radius-md);
  background: rgba(11, 18, 38, 0.9);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-products .pp-scene__item:hover,
.page-products .pp-scene__item:focus-visible {
  border-color: var(--haze);
  background: rgba(108, 75, 255, 0.16);
  transform: translateY(-3px);
  outline: none;
}

.page-products .pp-scene__item:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-products .pp-scene__q {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pp-scene__a {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ── 收尾行动 ───────────────────────────────────── */
.page-products .pp-cta {
  padding: clamp(46px, 6vw, 84px) 0 clamp(56px, 7vw, 100px);
  border-top: 1px solid var(--ember);
}

.page-products .pp-cta__inner {
  display: grid;
  gap: 26px;
}

.page-products .pp-cta__text .pp-text {
  margin-bottom: 0;
  color: var(--mist);
}

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

/* ── 响应式 ─────────────────────────────────────── */
@media (min-width: 620px) {
  .page-products .pp-genres {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-products .pp-ruler {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
  }

  .page-products .pp-split--media-first .pp-split__media {
    order: 2;
  }

  .page-products .pp-genre-note {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-products .pp-gains {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pp-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pp-steps4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-bottom: 64px;
  }

  .page-products .pp-steps4 > li:nth-child(2) {
    transform: translateY(21px);
  }

  .page-products .pp-steps4 > li:nth-child(3) {
    transform: translateY(42px);
  }

  .page-products .pp-steps4 > li:nth-child(4) {
    transform: translateY(63px);
  }

  .page-products .pp-steps4 > li:nth-child(2):hover {
    transform: translateY(17px);
  }

  .page-products .pp-steps4 > li:nth-child(3):hover {
    transform: translateY(38px);
  }

  .page-products .pp-steps4 > li:nth-child(4):hover {
    transform: translateY(59px);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-genres {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-jump a,
  .page-products .pp-genre,
  .page-products .pp-steps4 > li,
  .page-products .pp-scene__item {
    transition: opacity var(--dur) var(--ease);
  }

  .page-products .pp-jump a:hover,
  .page-products .pp-jump a:focus-visible,
  .page-products .pp-genre:hover,
  .page-products .pp-scene__item:hover,
  .page-products .pp-scene__item:focus-visible,
  .page-products .pp-steps4 > li:hover,
  .page-products .pp-steps4 > li:nth-child(2):hover,
  .page-products .pp-steps4 > li:nth-child(3):hover,
  .page-products .pp-steps4 > li:nth-child(4):hover {
    transform: none;
  }
}