.page-products {
  --pp-edge: 1px solid var(--stroke);
  --pp-cut: 12px;
  display: block;
  background: var(--night);
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumb {
  padding-top: 20px;
}

.page-products .pp-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--dim);
}

.page-products .pp-crumb .breadcrumb__item {
  color: inherit;
  text-decoration: none;
}

.page-products .pp-crumb a.breadcrumb__item:hover {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(24px, 5vw, 48px) 0 clamp(36px, 6vw, 72px);
}

.page-products .pp-hero__frame {
  position: relative;
  border: var(--pp-edge);
  border-top: 3px solid var(--green);
  padding: clamp(24px, 4.4vw, 56px);
  background:
    radial-gradient(130% 100% at 92% 0%, rgba(255, 123, 51, 0.13), transparent 55%),
    radial-gradient(90% 120% at 0% 100%, rgba(53, 196, 111, 0.1), transparent 60%),
    var(--panel);
  overflow: hidden;
}

.page-products .pp-hero__frame::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 88px;
  height: 88px;
  background: linear-gradient(225deg, rgba(255, 123, 51, 0.55) 0 1px, transparent 1px 12px), repeating-linear-gradient(225deg, rgba(255, 198, 75, 0.35) 0 1px, transparent 1px 12px);
  pointer-events: none;
}

.page-products .pp-hero__eyebrow {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .pp-hero__title {
  margin: 16px 0 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pp-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-products .pp-hero__lede {
  margin: 20px 0 0;
  max-width: 38em;
  font-family: var(--f-body);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--dim);
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  border: var(--pp-edge);
  background: var(--stroke);
}

.page-products .pp-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--night);
}

.page-products .pp-hero__stat dd {
  order: -1;
  margin: 0;
  font-size: 26px;
  font-weight: 500;
  color: var(--green);
}

.page-products .pp-hero__stat dt {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--dim);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding: clamp(40px, 7vw, 92px) 0;
}

.page-products .pp-section--tight {
  padding: clamp(28px, 4vw, 56px) 0;
}

.page-products .pp-section--band {
  background: linear-gradient(180deg, rgba(23, 34, 46, 0.85), rgba(14, 22, 32, 0));
  border-top: var(--pp-edge);
  border-bottom: var(--pp-edge);
}

.page-products .pp-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 44px);
  max-width: 62ch;
}

.page-products .pp-head__eyebrow {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-products .pp-head__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pp-head__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .pp-body {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--dim);
  max-width: 38em;
}

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

/* ---------- 功能模块 ---------- */
.page-products .pp-mods {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-mod {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--panel);
  border: var(--pp-edge);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-mod:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  background: #1a2734;
}

.page-products .pp-mod__no {
  display: block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-products .pp-mod__name {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .pp-mod__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .pp-mod__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--stroke);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .pp-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: var(--pp-edge);
  background: var(--panel);
  overflow: hidden;
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-products .pp-figure__cap {
  padding: 12px 18px;
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--dim);
  border-top: var(--pp-edge);
}

/* ---------- 不对称双栏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.page-products .pp-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pp-edge);
}

.page-products .pp-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: var(--pp-edge);
}

.page-products .pp-list__k {
  flex: 0 0 96px;
  font-size: 14px;
  color: var(--green);
}

.page-products .pp-list__v {
  flex: 1 1 12em;
  font-size: 14.5px;
  color: var(--dim);
}

.page-products .pp-note-box {
  padding: 22px;
  border: var(--pp-edge);
  border-left: 3px solid var(--amber);
  background: var(--panel);
}

.page-products .pp-note-box__title {
  margin: 0;
  font-family: var(--f-serif);
  font-size: 16px;
  color: var(--white);
}

.page-products .pp-note-box__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 手机截屏框 ---------- */
.page-products .pp-phone {
  position: relative;
  margin: 0;
  padding: 14px;
  border: var(--pp-edge);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .pp-phone::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  transform: translateX(-50%);
  width: 54px;
  height: 3px;
  border-radius: 2px;
  background: var(--stroke);
}

.page-products .pp-phone img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--stroke);
  filter: saturate(0.9) contrast(1.05);
}

.page-products .pp-phone__cap {
  margin-top: 12px;
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--dim);
}

/* ---------- 统计胶囊 ---------- */
.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-products .pp-chip {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border: 1px solid var(--stroke);
  background: rgba(53, 196, 111, 0.06);
  color: var(--white);
  cursor: default;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-chip:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(53, 196, 111, 0.12);
}

.page-products .pp-chip__note {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-family: var(--f-body);
  font-size: 12px;
  letter-spacing: 0;
  line-height: 1.6;
  color: var(--dim);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease);
}

.page-products .pp-chip:hover .pp-chip__note,
.page-products .pp-chip:focus-within .pp-chip__note {
  max-height: 60px;
  opacity: 1;
  margin-top: 6px;
}

/* ---------- 版本对照 ---------- */
.page-products .pp-ver-wrap {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: var(--pp-edge);
  background: var(--night);
  overflow: hidden;
}

.page-products .pp-ver__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

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

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

.page-products .pp-ver__radio,
.page-products .pp-scene__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-ver__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
}

.page-products .pp-ver__tab {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  padding: 9px 16px;
  border: 1px solid var(--stroke);
  color: var(--dim);
  background: rgba(14, 22, 32, 0.7);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-ver__tab:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-products #pp-ver-v1:checked ~ .pp-ver__tabs .pp-ver__tab--1,
.page-products #pp-ver-v2:checked ~ .pp-ver__tabs .pp-ver__tab--2,
.page-products #pp-ver-v3:checked ~ .pp-ver__tabs .pp-ver__tab--3 {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--night);
}

.page-products .pp-ver__stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.page-products .pp-ver__col {
  position: relative;
  padding: 22px 20px 26px;
  border: var(--pp-edge);
  background: rgba(23, 34, 46, 0.92);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), padding var(--dur) var(--ease);
}

.page-products .pp-ver__col-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.page-products .pp-ver__col-name {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 21px;
  color: var(--white);
}

.page-products .pp-ver__col-lede {
  margin: 8px 0 0;
  font-family: var(--f-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.page-products .pp-ver__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-ver__list li {
  position: relative;
  padding: 8px 0 8px 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
  border-top: 1px solid rgba(42, 57, 71, 0.6);
}

.page-products .pp-ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 1px;
  background: var(--stroke);
}

.page-products #pp-ver-v1:checked ~ .pp-ver__stage .pp-ver__col--1,
.page-products #pp-ver-v2:checked ~ .pp-ver__stage .pp-ver__col--2,
.page-products #pp-ver-v3:checked ~ .pp-ver__stage .pp-ver__col--3 {
  border-color: var(--orange);
  background: linear-gradient(180deg, rgba(255, 123, 51, 0.14), rgba(23, 34, 46, 0.96) 52%);
  padding-bottom: 74px;
}

.page-products #pp-ver-v1:checked ~ .pp-ver__stage .pp-ver__col--1 .pp-ver__col-no,
.page-products #pp-ver-v2:checked ~ .pp-ver__stage .pp-ver__col--2 .pp-ver__col-no,
.page-products #pp-ver-v3:checked ~ .pp-ver__stage .pp-ver__col--3 .pp-ver__col-no {
  color: var(--orange);
}

.page-products #pp-ver-v1:checked ~ .pp-ver__stage .pp-ver__col--1::after,
.page-products #pp-ver-v2:checked ~ .pp-ver__stage .pp-ver__col--2::after,
.page-products #pp-ver-v3:checked ~ .pp-ver__stage .pp-ver__col--3::after {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  right: -1px;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 123, 51, 0.15));
}

.page-products #pp-ver-v1:checked ~ .pp-ver__stage .pp-ver__col--1 .pp-ver__list li::before,
.page-products #pp-ver-v2:checked ~ .pp-ver__stage .pp-ver__col--2 .pp-ver__list li::before,
.page-products #pp-ver-v3:checked ~ .pp-ver__stage .pp-ver__col--3 .pp-ver__list li::before {
  background: var(--orange);
}

/* ---------- 两条路径 ---------- */
.page-products .pp-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-path {
  padding: 24px 22px 26px;
  border: var(--pp-edge);
  background: var(--panel);
}

.page-products .pp-path--old {
  border-left: 3px solid var(--green);
}

.page-products .pp-path--new {
  border-left: 3px solid var(--orange);
}

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

.page-products .pp-path--new .pp-path__tag {
  color: var(--orange);
}

.page-products .pp-path--old .pp-path__tag {
  color: var(--green);
}

.page-products .pp-path__name {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.3;
  color: var(--white);
}

.page-products .pp-path__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .pp-path__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pp-edge);
}

.page-products .pp-path__list li {
  padding: 10px 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
  border-bottom: var(--pp-edge);
}

/* ---------- 设备 ---------- */
.page-products .pp-device {
  margin: 0;
  border: var(--pp-edge);
  background: var(--panel);
  overflow: hidden;
}

.page-products .pp-device img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-products .pp-device__cap {
  padding: 12px 18px;
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--dim);
  border-top: var(--pp-edge);
}

/* ---------- 场景 ---------- */
.page-products .pp-scene {
  position: relative;
}

.page-products .pp-scene__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-products .pp-scene__btn {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  padding: 8px 15px;
  border: 1px solid var(--stroke);
  color: var(--dim);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-scene__btn:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-products #pp-scene-all:checked ~ .pp-scene__filters [for="pp-scene-all"],
.page-products #pp-scene-1:checked ~ .pp-scene__filters [for="pp-scene-1"],
.page-products #pp-scene-2:checked ~ .pp-scene__filters [for="pp-scene-2"],
.page-products #pp-scene-3:checked ~ .pp-scene__filters [for="pp-scene-3"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--night);
}

.page-products .pp-scene__stage {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pp-scene__card {
  padding: 22px 20px 24px;
  border: var(--pp-edge);
  border-top: 2px solid var(--stroke);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-scene__card:hover {
  border-color: var(--green);
  border-top-color: var(--green);
  transform: translateY(-2px);
}

.page-products .pp-scene__card--1 {
  flex: 5 1 260px;
}

.page-products .pp-scene__card--2 {
  flex: 4 1 240px;
}

.page-products .pp-scene__card--3 {
  flex: 3 1 220px;
}

.page-products #pp-scene-1:checked ~ .pp-scene__stage .pp-scene__card:not(.pp-scene__card--1),
.page-products #pp-scene-2:checked ~ .pp-scene__stage .pp-scene__card:not(.pp-scene__card--2),
.page-products #pp-scene-3:checked ~ .pp-scene__stage .pp-scene__card:not(.pp-scene__card--3) {
  display: none;
}

.page-products .pp-scene__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .pp-scene__name {
  margin: 10px 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--white);
}

.page-products .pp-scene__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dim);
}

.page-products .pp-scene__path {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--stroke);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--green);
}

/* ---------- 全宽图 ---------- */
.page-products .pp-wide {
  position: relative;
  margin: 0;
  border-top: var(--pp-edge);
  border-bottom: var(--pp-edge);
  overflow: hidden;
  background: var(--ink);
}

.page-products .pp-wide img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.08);
}

.page-products .pp-wide figcaption {
  position: absolute;
  left: clamp(16px, 4vw, 48px);
  bottom: clamp(16px, 4vw, 40px);
  padding: 8px 14px;
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--white);
  background: rgba(7, 12, 17, 0.74);
  border-left: 3px solid var(--green);
}

/* ---------- 结尾 ---------- */
.page-products .pp-next {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3.4vw, 38px);
  border: var(--pp-edge);
  border-top: 3px solid var(--green);
  background: var(--panel);
}

.page-products .pp-next__line {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 28px);
  color: var(--white);
}

.page-products .pp-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-next__link {
  padding: 10px 16px;
  border: 1px solid var(--stroke);
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-next__link:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(53, 196, 111, 0.08);
}

.page-products .pp-next__link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pp-mod--wide {
    grid-column: span 2;
  }

  .page-products .pp-paths {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-products .pp-split--alt {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-ver__stage {
    grid-template-columns: minmax(0, 4fr) minmax(0, 4fr) minmax(0, 5fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-mods {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pp-mod--wide {
    grid-column: span 3;
  }

  .page-products .pp-mod--narrow {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-mod,
  .page-products .pp-scene__card,
  .page-products .pp-chip,
  .page-products .pp-chip__note,
  .page-products .pp-ver__tab,
  .page-products .pp-ver__col,
  .page-products .pp-scene__btn,
  .page-products .pp-next__link {
    transition: none;
  }

  .page-products .pp-mod:hover,
  .page-products .pp-scene__card:hover {
    transform: none;
  }
}