.page-products {
  --pp-shadow: 0 18px 46px -28px rgba(10, 29, 48, .38);
}

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

.page-products .frost-frame__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-products .app-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-products .app-hero__glow {
  position: absolute;
  top: -160px;
  right: -170px;
  width: min(640px, 112vw);
  height: min(640px, 112vw);
  background:
    radial-gradient(circle at 34% 34%, rgba(33, 216, 206, .30), transparent 60%),
    radial-gradient(circle at 66% 62%, rgba(108, 75, 255, .20), transparent 64%);
  pointer-events: none;
  z-index: 0;
}

.page-products .app-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}

.page-products .app-hero__title {
  margin: 14px 0 0;
  font-size: clamp(36px, 6.6vw, 78px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--c-navy);
}

.page-products .app-hero__mark {
  color: var(--c-violet);
  text-shadow: 1px 0 0 rgba(244, 247, 251, .9), -1px 1px 0 rgba(33, 216, 206, .38);
}

.page-products .app-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-navy);
}

.page-products .app-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .app-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--c-line-soft);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--c-slate);
}

.page-products .app-hero__meta-num {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-glacier);
}

.page-products .app-hero__visual {
  margin: 0 auto;
  max-width: 400px;
  width: 100%;
}

@media (min-width: 920px) {
  .page-products .app-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-products .app-hero__visual {
    margin: 0;
    max-width: 420px;
    justify-self: end;
  }
}

/* ---------- 01 安装 ---------- */
.page-products .steps {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  position: relative;
  padding: 30px 24px 28px;
  background: linear-gradient(160deg, #ffffff, var(--c-mist));
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-lg) var(--r-md) var(--r-lg) var(--r-md);
  box-shadow: var(--pp-shadow);
}

.page-products .step:nth-child(2) {
  border-radius: var(--r-md) var(--r-lg) var(--r-md) var(--r-lg);
}

.page-products .step:nth-child(3) {
  border-radius: var(--r-lg) var(--r-lg) var(--r-sm) var(--r-md);
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  width: 46px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--c-cyan);
}

.page-products .step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-glacier);
}

.page-products .step__title {
  margin: 12px 0 10px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-navy);
}

.page-products .step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-slate);
}

@media (min-width: 840px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .install-note {
  margin: 30px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--c-glacier);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(222, 234, 248, .58);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-navy);
}

/* ---------- 02 八个栏目 ---------- */
.page-products .columns-layout {
  display: grid;
  gap: 32px;
}

.page-products .columns-layout__figure {
  margin: 0;
}

.page-products .entries {
  border-top: 1px solid var(--c-line);
}

.page-products .entry {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-products .entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-sm);
  transition: background var(--dur) var(--ease);
}

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

.page-products .entry__head:hover {
  background: rgba(222, 234, 248, .55);
}

.page-products .entry__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--c-glacier);
  border: 1px solid var(--c-line);
  border-radius: 9px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .entry[open] .entry__num {
  color: var(--c-frost);
  background: var(--c-violet);
  border-color: var(--c-violet);
}

.page-products .entry__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .entry__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--c-navy);
}

.page-products .entry__freq {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  white-space: nowrap;
  color: var(--c-deep-ice);
  border: 1px solid rgba(78, 155, 224, .5);
  border-radius: 999px;
}

.page-products .entry__desc {
  display: block;
  margin-top: 5px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-products .entry__panel {
  padding: 2px 6px 22px clamp(0px, 4vw, 48px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-navy);
}

.page-products .entry__panel ul {
  margin: 0;
  padding-left: 20px;
}

.page-products .entry__panel li + li {
  margin-top: 6px;
}

@media (min-width: 960px) {
  .page-products .columns-layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 48px;
  }

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

/* ---------- 03 两套入口 ---------- */
.page-products .pair .segmented {
  margin-top: 6px;
}

.page-products .pair__panel {
  margin-top: 26px;
}

.page-products .pair__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pair__list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-navy);
}

.page-products .pair__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 10px;
  background: var(--c-glacier);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products .pair__figure {
  margin: 42px 0 0;
}

.page-products .pair__note {
  margin: 34px 0 0;
  padding: 26px;
  border-radius: var(--r-lg) var(--r-md) var(--r-lg) var(--r-md);
  background: linear-gradient(135deg, rgba(108, 75, 255, .09), rgba(33, 216, 206, .12));
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-navy);
}

/* ---------- 04 三种浏览方式 ---------- */
.page-products .ways {
  display: grid;
  gap: 20px;
  margin-bottom: 42px;
}

.page-products .way {
  padding: 28px 24px;
  background: var(--c-frost);
  border: 1px solid var(--c-line-soft);
}

.page-products .way--list {
  border-left: 3px solid var(--c-glacier);
  border-radius: 2px var(--r-lg) 2px var(--r-lg);
}

.page-products .way--topic {
  border-left: 3px solid var(--c-violet);
  border-radius: var(--r-lg);
}

.page-products .way--album {
  border-left: 3px solid var(--c-deep-ice);
  border-radius: var(--r-lg) 2px var(--r-lg) 2px;
}

.page-products .way__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-products .way__title {
  margin: 12px 0 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--c-navy);
}

.page-products .way p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
}

@media (min-width: 880px) {
  .page-products .ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 05 使用场景 ---------- */
.page-products .scenes {
  display: grid;
  gap: 18px;
}

.page-products .scene {
  padding: 26px 22px 28px;
  background: linear-gradient(180deg, #ffffff, var(--c-frost));
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
}

.page-products .scene:nth-child(even) {
  background: linear-gradient(180deg, var(--c-mist), var(--c-frost));
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
}

.page-products .scene__tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-deep-ice);
  background: rgba(33, 216, 206, .16);
  border-radius: 999px;
}

.page-products .scene__title {
  margin: 14px 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-navy);
}

.page-products .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
}

@media (min-width: 720px) {
  .page-products .scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

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

  .page-products .scene:nth-child(2),
  .page-products .scene:nth-child(4) {
    transform: translateY(20px);
  }
}

/* ---------- 06 版本更新 ---------- */
.page-products .slabs {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 4px 2px 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .slab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 22px 18px 24px;
  background: linear-gradient(180deg, var(--c-mist), var(--c-frost));
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .slab:nth-child(1) { width: clamp(132px, 34vw, 176px); }
.page-products .slab:nth-child(2) { width: clamp(148px, 40vw, 214px); }
.page-products .slab:nth-child(3) { width: clamp(168px, 46vw, 256px); }
.page-products .slab:nth-child(4) { width: clamp(188px, 52vw, 296px); }

.page-products .slab:hover,
.page-products .slab[data-active] {
  transform: translateY(-4px);
  border-color: var(--c-cyan);
}

.page-products .slab__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-navy);
}

.page-products .slab__name {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-deep-ice);
}

.page-products .slab__note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-products .version-note {
  margin-top: 20px;
  padding: 26px 24px;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md) var(--r-lg) var(--r-md) var(--r-lg);
  background: rgba(222, 234, 248, .42);
}

.page-products .version-note p {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-navy);
}

.page-products .version-note p + p {
  margin-top: 14px;
}

.page-products .version-note a {
  color: var(--c-navy);
  text-decoration: none;
  border-bottom: 2px solid var(--c-glacier);
  padding-bottom: 1px;
}

.page-products .version-note + .frost-frame {
  margin-top: 40px;
}

/* ---------- 延伸阅读 ---------- */
.page-products .pp-more__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--c-navy);
}

.page-products .pp-more__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-products .pp-more__link {
  display: block;
  padding: 24px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-navy);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-more__link:hover {
  border-color: var(--c-glacier);
  transform: translateY(-3px);
}

.page-products .pp-more__link span {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--c-slate);
}

.page-products .pp-more__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

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

/* ---------- 图片容器小修 ---------- */
.page-products .frost-frame {
  margin: 0;
}

.page-products .pair__figure,
.page-products .ways + .frost-frame,
.page-products .version-note + .frost-frame {
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step,
  .page-products .slab,
  .page-products .pp-more__link,
  .page-products .scene {
    transition: none;
    transform: none;
  }
}