.page-products {
  --pp-line: rgba(31, 224, 200, 0.24);
  --pp-line-soft: rgba(157, 176, 203, 0.14);
  --pp-cut: 16px;
  color: var(--text);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(44px, 6vw, 80px);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(860px 520px at 84% 14%, rgba(31, 224, 200, 0.14), transparent 62%),
    radial-gradient(680px 460px at 4% 96%, rgba(51, 214, 255, 0.10), transparent 60%);
  pointer-events: none;
}

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

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(32px, 6.2vw, 72px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .pp-hero__copy h1 em {
  font-style: normal;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .pp-hero__copy .lead {
  margin: 22px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
  max-width: 60ch;
}

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

.page-products .pp-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-hero__facts li {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .pp-num {
  font-family: var(--font-geo);
  font-size: 24px;
  font-weight: 600;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  margin-right: 6px;
}

.page-products .pp-hero__viz {
  position: relative;
  min-height: 220px;
}

.page-products .pp-hero__viz svg {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: 0 auto;
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-sec {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-products .pp-sec + .pp-sec {
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-sec__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-products .pp-sec__num {
  font-family: var(--font-geo);
  font-size: clamp(38px, 6vw, 62px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
}

.page-products .pp-sec__num--inline {
  display: block;
  margin-bottom: 16px;
}

.page-products .pp-sec__title {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pp-sec__sub {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-products .pp-sec__head {
    grid-template-columns: 112px minmax(0, 1fr);
    column-gap: 38px;
  }
  .page-products .pp-sec__num {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .page-products .pp-sec__title {
    grid-column: 2;
    grid-row: 1;
  }
  .page-products .pp-sec__sub {
    grid-column: 2;
    grid-row: 2;
  }
}

/* ---------- 三步定位 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 0 0 clamp(30px, 4vw, 46px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line-soft);
}

.page-products .pp-flow li {
  background: var(--panel);
  padding: 22px 22px 24px;
}

.page-products .pp-flow__n {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-products .pp-flow p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

@media (min-width: 780px) {
  .page-products .pp-flow {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 功能矩阵 ---------- */
.page-products .pp-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-matrix__item {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--pp-line-soft);
  padding: 24px 22px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), background 0.32s var(--ease);
}

.page-products .pp-matrix__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height 0.32s var(--ease);
}

.page-products .pp-matrix__item:hover {
  transform: translateY(-5px);
  border-color: var(--pp-line);
  background: var(--layer);
}

.page-products .pp-matrix__item:hover::after {
  height: 100%;
}

.page-products .pp-matrix__n {
  font-family: var(--font-geo);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-matrix__item h3 {
  margin: 12px 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.page-products .pp-matrix__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pp-matrix__foot {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--orange);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 640px) {
  .page-products .pp-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1020px) {
  .page-products .pp-matrix {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 图文容器 ---------- */
.page-products .pp-shot {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--pp-line-soft);
  background: var(--panel);
}

.page-products .pp-shot img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .media-frame__cap {
  display: block;
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--dim);
  border-top: 1px solid var(--pp-line-soft);
}

/* ---------- 导航结构 ---------- */
.page-products .pp-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-products .pp-two__main h3 {
  margin: 26px 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan-hi);
}

.page-products .pp-two__main h3:first-child {
  margin-top: 0;
}

.page-products .pp-two__main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

.page-products .pp-rail {
  border-left: 1px solid var(--pp-line);
  padding: 4px 0 4px 20px;
}

.page-products .pp-rail__k {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pp-rail p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-products .pp-two {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 46px;
  }
}

/* ---------- 步骤轨道 ---------- */
.page-products .pp-band {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--pp-line-soft);
  overflow: hidden;
}

.page-products .pp-band img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0 0 clamp(34px, 5vw, 54px);
  padding: 0;
}

.page-products .pp-steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px dashed var(--pp-line-soft);
}

.page-products .pp-steps li:first-child {
  border-top: 1px dashed var(--pp-line-soft);
}

.page-products .pp-steps__n {
  font-family: var(--font-geo);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-steps__t {
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--text);
}

/* ---------- 终端切换 ---------- */
.page-products .pp-devtabs {
  position: relative;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pp-devtabs input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  top: 0;
  left: 0;
}

.page-products .pp-devtabs__bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pp-devtabs__tab {
  display: block;
  padding: 13px 8px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--pp-line-soft);
  cursor: pointer;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pp-devtabs__tab:hover {
  color: var(--text);
  border-color: var(--pp-line);
}

.page-products .pp-devtabs #dev-phone:checked ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(1),
.page-products .pp-devtabs #dev-pad:checked ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(2),
.page-products .pp-devtabs #dev-desktop:checked ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(3),
.page-products .pp-devtabs #dev-tv:checked ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(4) {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pp-devtabs #dev-phone:focus-visible ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(1),
.page-products .pp-devtabs #dev-pad:focus-visible ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(2),
.page-products .pp-devtabs #dev-desktop:focus-visible ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(3),
.page-products .pp-devtabs #dev-tv:focus-visible ~ .pp-devtabs__bar .pp-devtabs__tab:nth-child(4) {
  outline: 2px solid var(--cyan-hi);
  outline-offset: 2px;
}

.page-products .pp-devtabs__panel {
  display: none;
  background: var(--panel);
  border: 1px solid var(--pp-line);
  padding: 20px 22px 12px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .pp-devtabs #dev-phone:checked ~ .pp-devtabs__panels .pp-devtabs__panel:nth-child(1),
.page-products .pp-devtabs #dev-pad:checked ~ .pp-devtabs__panels .pp-devtabs__panel:nth-child(2),
.page-products .pp-devtabs #dev-desktop:checked ~ .pp-devtabs__panels .pp-devtabs__panel:nth-child(3),
.page-products .pp-devtabs #dev-tv:checked ~ .pp-devtabs__panels .pp-devtabs__panel:nth-child(4) {
  display: block;
}

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

.page-products .pp-devlist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px dashed var(--pp-line-soft);
}

.page-products .pp-devlist li:last-child {
  border-bottom: 0;
}

.page-products .pp-devlist p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-products .pp-devtabs__bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 版本记录 ---------- */
.page-products .pp-verlayout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

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

.page-products .pp-vgroup {
  background: var(--panel);
  border: 1px solid var(--pp-line-soft);
  transition: border-color 0.3s var(--ease);
}

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

.page-products .pp-vgroup summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

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

.page-products .pp-vgroup summary::after {
  content: "展开";
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-vgroup[open] summary::after {
  content: "收起";
}

.page-products .pp-versions__rows {
  padding: 0 20px 10px;
}

.page-products .pp-vrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-vrow__id {
  font-family: var(--font-geo);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--blue);
}

.page-products .pp-vrow__st {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--orange-soft);
}

.page-products .pp-vrow__ds {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-products .pp-vrow {
    grid-template-columns: 168px 88px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-products .pp-verlayout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 46px;
  }
}

/* ---------- 订阅 ---------- */
.page-products .pp-sub {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-products .pp-sub__copy .pp-sec__title {
  margin-bottom: 16px;
}

.page-products .pp-sub__copy .pp-sec__sub {
  margin-bottom: 22px;
}

.page-products .pp-sub__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-sub__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-sub__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-shot--sub {
  margin-bottom: 0;
}

@media (min-width: 920px) {
  .page-products .pp-sub {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 性能数据 ---------- */
.page-products .pp-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line-soft);
}

.page-products .pp-stat {
  background: var(--panel);
  padding: 26px 20px 24px;
}

.page-products .pp-stat__v {
  margin: 0;
  font-family: var(--font-geo);
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-hi);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-stat__v small {
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-left: 4px;
  color: var(--muted);
}

.page-products .pp-stat__l {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pp-scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--pp-line-soft);
  border-top: 2px solid var(--cyan);
  padding: 26px 22px 24px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .pp-scene:hover {
  transform: translateY(-4px);
  background: var(--layer);
}

.page-products .pp-scene h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.page-products .pp-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

.page-products .pp-scene__use {
  padding-top: 12px;
  border-top: 1px dashed var(--pp-line-soft);
  font-size: 13px !important;
  letter-spacing: 0.04em;
  color: var(--dim) !important;
}

.page-products .pp-scene__go {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-products .pp-scene__go:hover {
  color: var(--cyan-hi);
  border-bottom-color: var(--cyan-hi);
}

@media (min-width: 900px) {
  .page-products .pp-scenes {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 结尾行动区 ---------- */
.page-products .pp-sec--last {
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-cta {
  background:
    linear-gradient(135deg, rgba(31, 224, 200, 0.12), rgba(51, 214, 255, 0.05) 60%, rgba(255, 138, 61, 0.06));
  border: 1px solid var(--pp-line);
  padding: clamp(30px, 5vw, 56px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-products .pp-cta h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pp-cta p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-matrix__item,
  .page-products .pp-scene,
  .page-products .pp-devtabs__tab,
  .page-products .pp-scene__go {
    transition: none;
  }
  .page-products .pp-matrix__item:hover,
  .page-products .pp-scene:hover {
    transform: none;
  }
}