.page-products {
  --pp-accent: var(--cyan);
  --pp-grid-line: rgba(138, 148, 166, 0.1);
  --pp-scope-gap: 24px;
  padding-bottom: 40px;
}

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

.page-products .pp-hero {
  position: relative;
  padding: 22px 0 52px;
  border-bottom: 1px solid var(--line);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--pp-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 76% 26%, rgba(53, 224, 214, 0.11), transparent 58%);
}

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

.page-products .pp-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 30px;
}

.page-products .pp-hero__lead {
  min-width: 0;
}

.page-products .pp-hero h1 {
  margin: 12px 0 16px;
  max-width: 16ch;
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-products .pp-hero__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-products .pp-hero__board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-stat {
  min-width: 0;
  padding: 18px 16px 20px;
  background: var(--ink-800);
}

.page-products .pp-stat--wide {
  grid-column: 1 / -1;
  background: var(--ink-700);
  border-left: 3px solid var(--cyan);
}

.page-products .pp-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-products .pp-stat--wide .pp-stat__num {
  font-size: 36px;
}

.page-products .pp-stat__label {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .pp-block {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-block:last-of-type {
  border-bottom: none;
}

.page-products .pp-h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.2vw, 32px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--text-strong);
}

.page-products .pp-rail-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pp-lead {
  margin: 0;
  max-width: 66ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-products .pp-split__main {
  min-width: 0;
}

/* 平台一览 */
.page-products .pp-overview__grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-cap {
  position: relative;
  padding: 26px 22px 30px;
  background: var(--ink-800);
}

.page-products .pp-cap::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 3px;
  background: var(--pp-accent);
}

.page-products .pp-cap--schedule { --pp-accent: var(--orange); }
.page-products .pp-cap--cases { --pp-accent: var(--violet); }
.page-products .pp-cap--files { --pp-accent: var(--cyan); }

.page-products .pp-cap__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pp-accent);
}

.page-products .pp-cap__title {
  margin: 12px 0 12px;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-strong);
}

.page-products .pp-cap__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pp-cap__facts {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line-strong);
  list-style: none;
}

.page-products .pp-cap__facts li {
  position: relative;
  margin-bottom: 7px;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .pp-cap__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--pp-accent);
}

/* 改动对照 */
.page-products .pp-compare {
  display: grid;
  gap: 1px;
  margin: 24px 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-compare__col {
  padding: 18px 20px 20px;
  background: var(--ink-800);
}

.page-products .pp-compare__col--now {
  background: var(--ink-700);
  border-left: 3px solid var(--cyan);
}

.page-products .pp-compare__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-products .pp-compare__col--now .pp-compare__tag {
  color: var(--cyan);
}

.page-products .pp-compare__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ppstep;
}

.page-products .pp-compare__steps li {
  position: relative;
  padding: 5px 0 5px 26px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  counter-increment: ppstep;
}

.page-products .pp-compare__steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.page-products .pp-compare__col--now .pp-compare__steps li::before {
  color: var(--cyan);
}

.page-products .pp-compare__aside {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 跨端路径 */
.page-products .pp-path {
  display: grid;
  gap: 1px;
  margin: 24px 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-path__card {
  padding: 22px 20px 24px;
  background: var(--ink-800);
}

.page-products .pp-path__card--mobile {
  background: var(--ink-700);
}

.page-products .pp-path__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pp-path__line {
  margin: 12px 0 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--violet);
  background: var(--ink-900);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-strong);
}

.page-products .pp-path__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-path__list li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--mist);
}

/* 资源下载区 */
.page-products .pp-resources__layout {
  display: grid;
  gap: 30px;
}

.page-products .pp-index {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .pp-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-products .pp-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-index__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-strong);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-products .pp-index__link:hover,
.page-products .pp-index__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pp-index__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
}

.page-products .pp-index__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-resources__list {
  min-width: 0;
  display: grid;
  gap: 34px;
}

.page-products .pp-res-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .pp-res-group__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-products .pp-res-group__grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-res {
  padding: 20px 18px 22px;
  background: var(--ink-800);
  transition: background 0.18s ease, transform 0.18s ease;
}

.page-products .pp-res:hover,
.page-products .pp-res:focus-within {
  background: var(--ink-600);
  transform: translateY(-2px);
}

.page-products .pp-res__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pp-res__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-products .pp-res__title {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--text-strong);
}

.page-products .pp-res__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pp-res__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
}

.page-products .pp-res__meta div {
  min-width: 0;
}

.page-products .pp-res__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-products .pp-res__meta dd {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .pp-res-figure {
  margin: 34px 0 0;
}

.page-products .pp-res-covers {
  margin: 22px 0 0;
}

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

.page-products .pp-flow__step {
  position: relative;
  padding: 26px 20px 28px;
  background: var(--ink-800);
}

.page-products .pp-flow__step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 30px;
  height: 3px;
  background: var(--cyan);
}

.page-products .pp-flow__step:nth-child(2)::before { background: var(--violet); }
.page-products .pp-flow__step:nth-child(3)::before { background: var(--orange); }
.page-products .pp-flow__step:nth-child(4)::before { background: var(--yellow); }

.page-products .pp-flow__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-flow__step:nth-child(2) .pp-flow__num { color: var(--violet); }
.page-products .pp-flow__step:nth-child(3) .pp-flow__num { color: var(--orange); }
.page-products .pp-flow__step:nth-child(4) .pp-flow__num { color: var(--yellow); }

.page-products .pp-flow__title {
  margin: 14px 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: var(--text-strong);
}

.page-products .pp-flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pp-flow-figure {
  margin: 28px 0 0;
}

/* 版本记录 */
.page-products .pp-versions {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-version {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-version__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-dim);
}

.page-products .pp-version--current .pp-version__tag {
  color: var(--cyan);
}

.page-products .pp-version__name {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 900;
  color: var(--text-strong);
}

.page-products .pp-version__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pp-version__env {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* 使用场景 */
.page-products .pp-scenes {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-scene {
  padding: 26px 22px 28px;
  background: var(--ink-800);
}

.page-products .pp-scene__tag {
  margin: 0;
  display: inline-block;
  padding: 4px 9px;
  border: 1px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pp-scene__title {
  margin: 16px 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--text-strong);
}

.page-products .pp-scene__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pp-scene__pick {
  margin: 18px 0 0;
  padding: 11px 13px;
  border-left: 3px solid var(--yellow);
  background: var(--ink-900);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-strong);
}

/* 下一步 */
.page-products .pp-next__grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pp-next__item {
  display: block;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}

.page-products .pp-next__item:hover,
.page-products .pp-next__item:focus-visible {
  background: var(--ink-600);
  transform: translateY(-2px);
}

.page-products .pp-next__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pp-next__title {
  margin: 12px 0 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--text-strong);
}

@media (min-width: 720px) {
  .page-products .pp-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .pp-version {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 12px 24px;
    align-items: start;
  }

  .page-products .pp-version__env {
    grid-column: 2;
  }

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

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding: 26px 0 64px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-products .pp-block {
    padding: 72px 0;
  }

  .page-products .pp-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pp-version {
    grid-template-columns: 88px minmax(0, 1fr) 220px;
  }

  .page-products .pp-version__env {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-split {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pp-split__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .pp-overview__grid {
    grid-template-columns: 1.08fr 0.94fr 1.14fr;
  }

  .page-products .pp-resources__layout {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 42px;
    align-items: start;
  }

  .page-products .pp-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-res,
  .page-products .pp-next__item,
  .page-products .pp-index__link {
    transition: none;
  }

  .page-products .pp-res:hover,
  .page-products .pp-res:focus-within,
  .page-products .pp-next__item:hover,
  .page-products .pp-next__item:focus-visible {
    transform: none;
  }
}