.page-products {
  --pp-line: rgba(185, 205, 214, .18);
  --pp-line-strong: rgba(24, 224, 200, .36);
  --pp-card: rgba(10, 42, 66, .6);
  --pp-card-deep: rgba(4, 18, 31, .7);
  --pp-gap: clamp(22px, 4vw, 56px);
  --pp-pad: clamp(18px, 3vw, 34px);
  --pp-radius: 20px;

  background: var(--ink-950);
  color: var(--mist-050);
  font-family: var(--font-cn);
  line-height: 1.75;
  overflow-x: clip;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-cn);
  font-weight: 750;
  letter-spacing: -.02em;
  color: var(--mist-050);
}

.page-products h1 {
  margin: .3em 0 0;
  font-size: clamp(32px, 6vw, 72px);
  line-height: 1.06;
  font-weight: 800;
}

.page-products h2 {
  margin: .32em 0 0;
  font-size: clamp(23px, 3.2vw, 40px);
  line-height: 1.18;
}

.page-products h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.36;
  letter-spacing: -.01em;
}

.page-products p {
  margin: 0;
  color: var(--slate-300);
  font-size: clamp(15px, 1.1vw, 16.5px);
}

.page-products a {
  color: var(--cyan-200);
  text-decoration-color: rgba(24, 224, 200, .4);
  text-underline-offset: 3px;
}

/* ---------- 通用块 ---------- */
.page-products .pp-section {
  position: relative;
  padding-block: clamp(38px, 5.2vw, 78px);
}

.page-products .pp-section + .pp-section {
  border-top: 1px solid rgba(185, 205, 214, .08);
}

.page-products .pp-split__body > p:first-of-type,
.page-products .pp-navmap__head > p,
.page-products .pp-device__head > p,
.page-products .pp-evolve__side > p:first-of-type {
  margin-top: 16px;
  max-width: 36em;
}

.page-products .media__frame {
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(19, 91, 120, .38), rgba(4, 18, 31, .82));
}

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

.page-products .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate-300);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-block: clamp(22px, 3vw, 40px) clamp(38px, 5.4vw, 76px);
  background:
    radial-gradient(118% 88% at 8% -14%, rgba(19, 91, 120, .6), transparent 62%),
    radial-gradient(78% 68% at 96% 4%, rgba(24, 224, 200, .15), transparent 60%);
}

.page-products .pp-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3.4vw, 44px);
}

.page-products .pp-hero__text {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 34em;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-hero__aside {
  display: grid;
  gap: 14px;
  align-content: end;
}

.page-products .pp-status-card {
  padding: var(--pp-pad);
  border: 1px solid var(--pp-line-strong);
  border-radius: var(--pp-radius);
  background: linear-gradient(158deg, rgba(24, 224, 200, .13), rgba(10, 42, 66, .72) 52%, rgba(4, 18, 31, .82));
  box-shadow: var(--shadow-soft);
}

.page-products .pp-status-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .pp-status-card__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber-500);
}

.page-products .pp-status-card__line {
  margin-top: 14px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-050);
}

.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  border: 1px solid var(--pp-line);
  border-radius: 14px;
  background: var(--pp-line);
  overflow: hidden;
}

.page-products .pp-stats__cell {
  padding: 12px 10px;
  background: rgba(4, 18, 31, .78);
}

.page-products .pp-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.9vw, 22px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--cyan-200);
}

.page-products .pp-stats__label {
  display: block;
  margin-top: 5px;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--slate-300);
}

/* ---------- 左右分栏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .pp-split__media {
  margin: 0;
}

/* ---------- 清单与步骤 ---------- */
.page-products .pp-checklist {
  list-style: none;
  margin: clamp(18px, 2.2vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-checklist--tight {
  margin-top: 16px;
  gap: 10px;
}

.page-products .pp-checklist li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate-300);
}

.page-products .pp-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan-500);
  box-shadow: 0 0 0 3px rgba(24, 224, 200, .13);
}

.page-products .pp-steps {
  list-style: none;
  counter-reset: ppstep;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-steps > li {
  counter-increment: ppstep;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  border: 1px solid var(--pp-line);
  border-radius: 14px;
  background: var(--pp-card-deep);
}

.page-products .pp-steps > li::before {
  content: counter(ppstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--amber-500);
  line-height: 1.95;
}

.page-products .pp-steps > li p {
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .pp-steps strong {
  color: var(--mist-050);
  font-weight: 650;
}

/* ---------- 入口导航与更新对照 ---------- */
.page-products .pp-navmap__intro {
  max-width: 36em;
}

.page-products .pp-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-products .pp-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  background: var(--pp-card);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-products .pp-card__figure {
  margin: 0;
}

.page-products .pp-card__figure .media__frame {
  border: 0;
  border-bottom: 1px solid var(--pp-line);
  border-radius: 0;
}

.page-products .pp-card__body {
  padding: var(--pp-pad);
}

.page-products .pp-card__body > p {
  margin-top: 10px;
}

/* ---------- 设备适配 ---------- */
.page-products .pp-device__head > p {
  max-width: 34em;
}

.page-products .pp-device__figure {
  margin: clamp(22px, 3vw, 36px) 0 0;
}

.page-products .pp-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: var(--pp-gap);
}

.page-products .pp-device {
  padding: var(--pp-pad);
  border: 1px solid var(--pp-line);
  border-radius: 18px;
  background: linear-gradient(168deg, rgba(19, 91, 120, .34), rgba(4, 18, 31, .66));
}

.page-products .pp-device__icon {
  width: 30px;
  height: 30px;
  color: var(--cyan-500);
  margin-bottom: 12px;
}

.page-products .pp-device h3 {
  margin-bottom: 6px;
}

.page-products .pp-device p {
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .pp-flow {
  margin-top: clamp(28px, 3.6vw, 46px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px dashed rgba(185, 205, 214, .2);
}

/* ---------- 能力演进 ---------- */
.page-products .pp-evolve__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .pp-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--pp-line);
  border-radius: 14px;
  background: var(--pp-line);
  overflow: hidden;
}

.page-products .pp-metric {
  padding: 14px 10px;
  background: rgba(4, 18, 31, .76);
}

.page-products .pp-metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.2;
  color: var(--amber-500);
}

.page-products .pp-metric__label {
  display: block;
  margin-top: 5px;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--slate-300);
}

.page-products .pp-acc {
  display: grid;
  gap: 10px;
}

.page-products .pp-acc__item {
  border: 1px solid var(--pp-line);
  border-radius: 14px;
  background: var(--pp-card-deep);
  overflow: hidden;
}

.page-products .pp-acc__item[open] {
  border-color: var(--pp-line-strong);
}

.page-products .pp-acc__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 620;
  color: var(--mist-050);
}

.page-products .pp-acc__head::-webkit-details-marker {
  display: none;
}

.page-products .pp-acc__head:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: -2px;
}

.page-products .pp-acc__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--amber-500);
  border: 1px solid rgba(255, 180, 74, .34);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

.page-products .pp-acc__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--slate-300);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .pp-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pp-pad);
  border: 1px solid var(--pp-line);
  border-radius: 18px;
  background: var(--pp-card);
}

.page-products .pp-scene__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan-500);
}

.page-products .pp-scene h3 {
  margin: 0;
}

.page-products .pp-scene p {
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .pp-scene .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 结尾 ---------- */
.page-products .pp-cta__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 36px);
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--pp-line-strong);
  border-radius: var(--pp-radius);
  background:
    radial-gradient(96% 130% at 100% 0%, rgba(24, 224, 200, .18), transparent 58%),
    linear-gradient(150deg, rgba(10, 42, 66, .9), rgba(4, 18, 31, .9));
}

.page-products .pp-cta__text {
  flex: 1 1 260px;
  min-width: 0;
}

.page-products .pp-cta__text p {
  margin-top: 10px;
  max-width: 32em;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-devices {
    grid-template-columns: 1.14fr .96fr .9fr;
    align-items: start;
  }

  .page-products .pp-devices > :nth-child(2) {
    margin-top: 22px;
  }

  .page-products .pp-devices > :nth-child(3) {
    margin-top: 10px;
  }

  .page-products .pp-scenes {
    grid-template-columns: 1.16fr .92fr;
  }

  .page-products .pp-scenes > :nth-child(2),
  .page-products .pp-scenes > :nth-child(4) {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
  }

  .page-products .pp-split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.34fr);
  }

  .page-products .pp-split--flip .pp-split__media {
    order: -1;
  }

  .page-products .pp-split__media {
    margin-top: clamp(0px, 2.4vw, 30px);
  }

  .page-products .pp-split--flip .pp-split__media {
    margin-top: 0;
    margin-bottom: clamp(0px, 2.4vw, 30px);
  }

  .page-products .pp-duo {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-products .pp-duo > :first-child {
    margin-top: clamp(0px, 3vw, 42px);
  }

  .page-products .pp-duo > :last-child {
    margin-bottom: clamp(0px, 3vw, 42px);
  }

  .page-products .pp-evolve__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

@media (max-width: 400px) {
  .page-products .pp-stats__label,
  .page-products .pp-metric__label {
    font-size: 10.5px;
  }

  .page-products .pp-acc__head {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-card,
  .page-products .pp-scene,
  .page-products .pp-device {
    transition: none;
  }
}