.page-products {
  --pr-edge: 3px;
  --pr-gap: clamp(20px, 3.4vw, 44px);
  --pr-soft: rgba(0, 245, 212, 0.08);
  background: var(--jb-night);
  color: var(--jb-mist);
  font-family: var(--jb-body);
  overflow-x: clip;
}

.page-products * {
  box-sizing: border-box;
}

/* ---------- 面包屑与首屏 ---------- */

.page-products .jb-crumbs {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-products .pr-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 52px) clamp(20px, 4vw, 52px) clamp(30px, 4.5vw, 56px);
  border: var(--pr-edge) solid var(--jb-cyan);
  background:
    repeating-linear-gradient(0deg, rgba(216, 222, 217, 0.05) 0 1px, transparent 1px 5px),
    radial-gradient(120% 100% at 100% 0, rgba(0, 245, 212, 0.14), transparent 58%),
    var(--jb-deep);
  box-shadow: var(--jb-shadow);
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-top: 2px solid var(--jb-amber);
  border-right: 2px solid var(--jb-amber);
}

.page-products .pr-hero h1 {
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0.32em 0 0.5em;
  color: var(--jb-paper);
  max-width: 18ch;
}

.page-products .pr-hero__lead {
  max-width: 64ch;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.75;
  color: var(--jb-dim);
}

.page-products .pr-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  padding: 0;
  background: var(--jb-hair);
  border: 1px solid var(--jb-hair);
}

.page-products .pr-stats__item {
  background: var(--jb-night);
  padding: 14px 16px;
}

.page-products .pr-stats dt {
  margin: 0 0 6px;
  font-family: var(--jb-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--jb-line);
}

.page-products .pr-stats dd {
  margin: 0;
  font-family: var(--jb-mono);
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  color: var(--jb-cyan);
}

.page-products .pr-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 区块通用 ---------- */

.page-products .pr-map,
.page-products .pr-branch,
.page-products .pr-devices,
.page-products .pr-scenes,
.page-products .pr-cadence,
.page-products .pr-next {
  margin-top: clamp(56px, 8vw, 110px);
}

.page-products .pr-sec-head {
  max-width: 74ch;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-products .pr-sec-head h2,
.page-products .pr-branch__body h2,
.page-products .pr-next h2 {
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.12;
  margin: 0.3em 0 0.45em;
  color: var(--jb-paper);
}

.page-products .pr-sec-head__lead {
  margin: 0;
  color: var(--jb-dim);
  line-height: 1.75;
}

/* ---------- 图片容器 ---------- */

.page-products .pr-shot {
  margin: 0;
  border: var(--pr-edge) solid var(--jb-line);
  background: var(--jb-deep);
  box-shadow: var(--jb-shadow);
  overflow: hidden;
}

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

.page-products .pr-shot figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--jb-hair);
  font-family: var(--jb-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--jb-line);
}

.page-products .pr-shot--wide {
  margin-bottom: clamp(26px, 4vw, 46px);
}

/* ---------- 技能树主干 ---------- */

.page-products .pr-trunk {
  position: relative;
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
}

.page-products .pr-trunk::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 40px;
  left: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--jb-cyan), rgba(0, 245, 212, 0.1));
}

.page-products .pr-trunk__item {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 40px) 46px;
}

.page-products .pr-trunk__item::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 18px;
  height: 18px;
  background: var(--jb-deep);
  border: 3px solid var(--jb-cyan);
}

.page-products .pr-trunk__item:last-child {
  padding-bottom: 0;
}

.page-products .pr-trunk__idx {
  display: block;
  margin-bottom: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--jb-amber);
}

.page-products .pr-trunk__item h3 {
  margin: 0 0 8px;
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  color: var(--jb-paper);
}

.page-products .pr-trunk__item p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.72;
  color: var(--jb-dim);
}

/* ---------- 分支模块 ---------- */

.page-products .pr-branch {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pr-branch__body p {
  max-width: 62ch;
  line-height: 1.75;
  color: var(--jb-dim);
}

.page-products .pr-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-list li {
  position: relative;
  padding-left: 22px;
  line-height: 1.72;
  color: var(--jb-mist);
}

.page-products .pr-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--jb-cyan);
}

.page-products .pr-list strong {
  color: var(--jb-paper);
  font-weight: 700;
}

.page-products .pr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-products .pr-fold {
  margin-top: 18px;
  border: 2px solid var(--jb-hair);
  background: rgba(7, 26, 31, 0.66);
}

.page-products .pr-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--jb-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--jb-cyan);
}

.page-products .pr-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-fold summary::after {
  content: "+";
  font-size: 1.05rem;
  color: var(--jb-amber);
}

.page-products .pr-fold[open] summary::after {
  content: "–";
}

.page-products .pr-fold__body {
  padding: 0 18px 18px;
  color: var(--jb-dim);
  line-height: 1.75;
}

.page-products .pr-fold__body p {
  margin: 0 0 10px;
}

.page-products .pr-fold__body p:last-child {
  margin-bottom: 0;
}

.page-products .pr-link {
  color: var(--jb-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 跨端对比 ---------- */

.page-products .pr-compare {
  display: grid;
  gap: 1px;
  background: var(--jb-hair);
  border: 1px solid var(--jb-hair);
}

.page-products .pr-compare__row {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--jb-night);
  transition: background 0.25s ease;
}

.page-products .pr-compare__row:hover,
.page-products .pr-compare__row:focus-within {
  background: var(--pr-soft);
}

.page-products .pr-compare__row h3 {
  margin: 0 0 4px;
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--jb-paper);
}

.page-products .pr-compare__sub {
  margin: 0;
  font-family: var(--jb-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--jb-line);
}

.page-products .pr-compare__note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--jb-dim);
}

.page-products .pr-bar {
  position: relative;
  height: 8px;
  background: rgba(138, 154, 145, 0.2);
  overflow: hidden;
}

.page-products .pr-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--jb-cyan), var(--jb-amber));
}

.page-products .pr-bar__fill--apple {
  width: 92%;
}

.page-products .pr-bar__fill--android {
  width: 74%;
}

.page-products .pr-bar__fill--desktop {
  width: 100%;
}

.page-products .pr-slotwrap {
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-products .pr-slotwrap__label {
  margin: 0;
  font-family: var(--jb-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--jb-amber);
}

.page-products .pr-slots {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  max-width: 420px;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .pr-slots__cell {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border: 2px dashed var(--jb-hair);
  font-size: 0.78rem;
  color: var(--jb-line);
}

.page-products .pr-slots__cell.is-on {
  border-style: solid;
  border-color: var(--jb-cyan);
  background: var(--pr-soft);
  color: var(--jb-cyan);
}

.page-products .pr-devices__media {
  margin-top: clamp(24px, 3.4vw, 40px);
  max-width: 520px;
}

/* ---------- 场景 ---------- */

.page-products .pr-scenes__grid {
  display: grid;
  gap: 1px;
  background: var(--jb-hair);
  border: 1px solid var(--jb-hair);
}

.page-products .pr-scene {
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--jb-night);
}

.page-products .pr-scene h3 {
  margin: 0 0 8px;
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--jb-paper);
}

.page-products .pr-scene__path {
  margin: 0 0 10px;
  font-family: var(--jb-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--jb-amber);
}

.page-products .pr-scene p:last-child {
  margin: 0;
  line-height: 1.72;
  color: var(--jb-dim);
}

/* ---------- 更新节奏 ---------- */

.page-products .pr-timeline {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--jb-hair);
  border: 1px solid var(--jb-hair);
}

.page-products .pr-timeline li {
  position: relative;
  padding: clamp(20px, 2.8vw, 28px);
  background: var(--jb-deep);
}

.page-products .pr-timeline li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--jb-cyan);
}

.page-products .pr-timeline li:nth-child(2)::before {
  background: var(--jb-amber);
}

.page-products .pr-timeline li:nth-child(3)::before {
  background: var(--jb-red);
}

.page-products .pr-timeline h3 {
  margin: 0 0 8px;
  font-family: var(--jb-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--jb-paper);
}

.page-products .pr-timeline p {
  margin: 0;
  line-height: 1.72;
  color: var(--jb-dim);
}

.page-products .pr-cadence__more {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 66ch;
  line-height: 1.78;
  color: var(--jb-dim);
}

/* ---------- 收尾 ---------- */

.page-products .pr-next {
  padding: clamp(26px, 4vw, 46px);
  border: var(--pr-edge) solid var(--jb-amber);
  background:
    repeating-linear-gradient(0deg, rgba(216, 222, 217, 0.05) 0 1px, transparent 1px 5px),
    var(--jb-deep);
  box-shadow: var(--jb-shadow);
  margin-bottom: clamp(40px, 6vw, 80px);
}

.page-products .pr-next p {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 62ch;
  line-height: 1.75;
  color: var(--jb-dim);
}

.page-products .pr-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-products .pr-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pr-slots {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-products .pr-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pr-compare__row {
    grid-template-columns: minmax(160px, 0.8fr) minmax(0, 1.2fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 920px) {
  .page-products .pr-branch {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-products .pr-branch--flip .pr-branch__media {
    order: -1;
  }
}

@media (min-width: 1000px) {
  .page-products .pr-trunk {
    max-width: 1120px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-products .pr-trunk::before {
    left: 50%;
    margin-left: -1px;
    bottom: 30px;
  }

  .page-products .pr-trunk__item {
    width: calc(50% - 44px);
    padding-bottom: clamp(30px, 4vw, 52px);
  }

  .page-products .pr-trunk__item:nth-child(odd) {
    padding-left: 0;
    padding-right: 0;
    text-align: right;
  }

  .page-products .pr-trunk__item:nth-child(odd) p {
    margin-left: auto;
  }

  .page-products .pr-trunk__item:nth-child(odd)::after {
    left: auto;
    right: -53px;
  }

  .page-products .pr-trunk__item:nth-child(even) {
    margin-left: calc(50% + 44px);
    padding-left: 0;
  }

  .page-products .pr-trunk__item:nth-child(even)::after {
    left: -53px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-compare__row {
    transition: none;
  }
}