.page-products {
  --pr-line: var(--cv-grid);
  --pr-gap: clamp(1.25rem, 3vw, 2.5rem);
  color: var(--cv-ink);
}

.page-products .crumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--pr-line);
  position: relative;
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(64px, 14vw, 180px);
  height: 2px;
  background: linear-gradient(90deg, var(--cv-cyan), var(--cv-violet));
}

.page-products .pr-hero__rail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.page-products .pr-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--cv-cyan);
  text-transform: uppercase;
}

.page-products .pr-hero__meta {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cv-muted);
}

.page-products .pr-copy {
  font-size: 0.8rem;
  padding: 0.5rem 0.9rem;
}

.page-products .pr-hero__body h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.6vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-products .pr-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--cv-muted);
}

.page-products .pr-hero__stats {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-stat {
  background: var(--cv-night);
  padding: 0.9rem 1rem;
}

.page-products .pr-stat dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cv-dim);
  margin-bottom: 0.35rem;
}

.page-products .pr-stat dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--cv-ink);
}

.page-products .pr-stat__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cv-cyan);
  margin-right: 0.15rem;
}

/* ---------- 路径图 ---------- */
.page-products .pr-path {
  margin-top: clamp(2.25rem, 5vw, 3.75rem);
}

.page-products .pr-path__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cv-violet);
}

.page-products .pr-path__title {
  margin: 0.5rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 600;
  line-height: 1.2;
}

.page-products .pr-path__sub {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  color: var(--cv-muted);
}

.page-products .pr-path__fig {
  margin: 0 0 0;
}

.page-products .pr-path__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pr-line);
  background: var(--cv-night);
  object-fit: cover;
}

.page-products .pr-branches {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
  border-top: 0;
}

.page-products .pr-branch {
  background: var(--cv-night);
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  transition: background 0.25s var(--ease);
}

.page-products .pr-branch::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--cv-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.page-products .pr-branch:hover::before,
.page-products .pr-branch:focus-within::before {
  transform: scaleX(1);
}

.page-products .pr-branch:hover {
  background: var(--cv-panel);
}

.page-products .pr-branch--violet::before { background: var(--cv-violet); }
.page-products .pr-branch--cyan::before { background: var(--cv-cyan); }
.page-products .pr-branch--lime::before { background: var(--cv-lime); }

.page-products .pr-branch__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cv-dim);
}

.page-products .pr-branch__name {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-products .pr-branch__txt {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--cv-muted);
  flex: 1;
}

.page-products .pr-branch__go {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cv-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 232, 0.4);
  padding-bottom: 2px;
}

.page-products .pr-branch__go:hover,
.page-products .pr-branch__go:focus-visible {
  color: var(--cv-lime);
  border-bottom-color: var(--cv-lime);
}

/* ---------- 外壳与目录 ---------- */
.page-products .pr-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.page-products .pr-toc {
  border-left: 2px solid var(--pr-line);
  padding-left: 1rem;
}

.page-products .pr-toc__list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.page-products .pr-toc__list a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cv-muted);
  text-decoration: none;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  display: inline-block;
}

.page-products .pr-toc__list a:hover,
.page-products .pr-toc__list a:focus-visible {
  color: var(--cv-cyan);
}

.page-products .pr-toc__list a.is-current {
  color: var(--cv-cyan);
  border-bottom-color: var(--cv-cyan);
}

/* ---------- 章节 ---------- */
.page-products .pr-sec {
  border-top: 1px solid var(--pr-line);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-products .pr-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--cv-lime);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--cv-muted);
}

.page-products .pr-note--inline {
  margin-top: 1rem;
}

/* ---------- 订阅步骤 ---------- */
.page-products .pr-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
  margin-top: 1.5rem;
}

.page-products .pr-step {
  background: var(--cv-night);
  padding: 1.35rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
}

.page-products .pr-step--active {
  background: var(--cv-panel);
}

.page-products .pr-step--active::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cv-lime);
  box-shadow: 0 0 0 5px rgba(183, 245, 71, 0.16);
}

.page-products .pr-step__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cv-cyan);
}

.page-products .pr-step__name {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 600;
}

.page-products .pr-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--cv-muted);
}

.page-products .pr-step__note {
  font-size: 0.84rem !important;
  color: var(--cv-dim) !important;
}

.page-products .pr-step__btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

/* ---------- 图片容器 ---------- */
.page-products .pr-fig {
  margin: 1.75rem 0 0;
}

.page-products .pr-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--pr-line);
  background: var(--cv-night);
  object-fit: cover;
}

.page-products .pr-fig figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cv-dim);
  letter-spacing: 0.04em;
}

.page-products .pr-fig--flush {
  margin-top: 0;
}

/* ---------- 球队库 ---------- */
.page-products .pr-teamlib {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-products .pr-teamlib__txt p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--cv-muted);
}

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

.page-products .pr-kpis {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-kpis li {
  background: var(--cv-panel);
  padding: 0.85rem 0.75rem;
  text-align: center;
}

.page-products .pr-kpis__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cv-lime);
  line-height: 1.2;
}

.page-products .pr-kpis__lbl {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--cv-dim);
}

/* ---------- 大屏切换 ---------- */
.page-products .pr-screen {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-products .pr-screen__txt p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--cv-muted);
}

.page-products .pr-screen__list {
  margin: 0;
  padding: 0 0 0 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-products .pr-screen__list li {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cv-ink);
  position: relative;
}

.page-products .pr-screen__list li::marker {
  color: var(--cv-cyan);
  font-family: var(--font-mono);
}

/* ---------- 案例合集 ---------- */
.page-products .pr-filters {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .pr-fig--wide {
  margin-top: 1.5rem;
}

.page-products .pr-cases {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-case {
  background: var(--cv-night);
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .pr-case:hover {
  border-left-color: var(--cv-cyan);
  background: var(--cv-panel);
}

.page-products .pr-case h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .pr-case p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cv-muted);
}

.page-products .pr-case__meta {
  font-family: var(--font-mono);
  font-size: 0.74rem !important;
  color: var(--cv-dim) !important;
  letter-spacing: 0.06em;
}

/* ---------- 版本分级 ---------- */
.page-products .pr-levels {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .pr-level {
  background: var(--cv-night);
  border: 1px solid var(--pr-line);
  border-top: 3px solid var(--cv-cyan);
  padding: 1.2rem 1.2rem 1.4rem;
  clip-path: var(--cut-poly);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-products .pr-level--season {
  border-top-color: var(--cv-violet);
}

.page-products .pr-level--archive {
  border-top-color: var(--cv-lime);
}

.page-products .pr-level__code {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--cv-cyan);
}

.page-products .pr-level--season .pr-level__code { color: var(--cv-violet); }
.page-products .pr-level--archive .pr-level__code { color: var(--cv-lime); }

.page-products .pr-level h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .pr-level p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cv-muted);
}

.page-products .pr-level__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  color: var(--cv-dim) !important;
  padding-top: 0.5rem;
  border-top: 1px solid var(--pr-line);
}

/* ---------- 跨设备与场景 ---------- */
.page-products .pr-sync {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .pr-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-scenes li {
  background: var(--cv-night);
  padding: 1.05rem 1.15rem 1.2rem;
}

.page-products .pr-scenes h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--cv-cyan);
}

.page-products .pr-scenes p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cv-muted);
}

.page-products .pr-sync__side {
  background: linear-gradient(160deg, rgba(138, 92, 255, 0.18), rgba(47, 212, 232, 0.08));
  border: 1px solid var(--pr-line);
  padding: 1.35rem 1.3rem 1.5rem;
  clip-path: var(--cut-poly);
  align-self: start;
}

.page-products .pr-sync__lead {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-products .pr-sync__side p {
  margin: 0 0 1.1rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cv-muted);
}

/* ---------- 下一步 ---------- */
.page-products .pr-next {
  border-top: 1px solid var(--pr-line);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pr-next__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 600;
}

.page-products .pr-next__sub {
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  color: var(--cv-muted);
}

.page-products .pr-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-nextlink {
  background: var(--cv-night);
  padding: 1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--cv-ink);
  transition: background 0.25s var(--ease);
}

.page-products .pr-nextlink:hover,
.page-products .pr-nextlink:focus-visible {
  background: var(--cv-panel);
}

.page-products .pr-nextlink__idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cv-lime);
  border: 1px solid var(--cv-lime);
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.page-products .pr-nextlink__txt {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 900px) {
  .page-products .pr-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
    align-items: start;
  }

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

  .page-products .pr-teamlib {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-products .pr-teamlib .pr-fig--flush {
    order: 0;
  }

  .page-products .pr-screen {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

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

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

  .page-products .pr-sync {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }
}

@media (min-width: 1024px) {
  .page-products .pr-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-products .pr-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 1.5rem);
    align-self: start;
    max-height: calc(100vh - var(--topbar-h) - 3rem);
    overflow: auto;
  }

  .page-products .pr-toc__list {
    flex-direction: column;
    gap: 0.45rem;
  }

  .page-products .pr-toc__list li {
    border-bottom: 1px solid rgba(29, 60, 97, 0.55);
    padding-bottom: 0.35rem;
  }
}

@media (max-width: 419px) {
  .page-products .pr-kpis {
    grid-template-columns: 1fr;
  }

  .page-products .pr-hero__meta {
    font-size: 0.8rem;
  }
}