.page-products {
  --pk-gutter: clamp(1.1rem, 4vw, 2.5rem);
  --pk-card: #ffffff;
  background: var(--k8-paper);
  color: var(--k8-graphite);
  font-family: var(--k8-body);
  line-height: 1.72;
  overflow-x: hidden;
}

.page-products a {
  color: var(--k8-cyan-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products a:hover {
  color: var(--k8-violet);
}

.page-products .pk-top {
  padding: 1.1rem var(--pk-gutter) 0.6rem;
  background: var(--k8-paper);
}

.page-products .pk-top .k8-shell {
  padding-left: 0;
  padding-right: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pk-hero {
  position: relative;
  background: var(--k8-ink-900);
  color: var(--k8-paper);
  padding: clamp(2rem, 5vw, 3.8rem) 0 clamp(2rem, 4.5vw, 3.2rem);
  overflow: hidden;
}

.page-products .pk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(143, 163, 184, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 163, 184, 0.15) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: linear-gradient(115deg, #000 15%, transparent 82%);
  mask-image: linear-gradient(115deg, #000 15%, transparent 82%);
  pointer-events: none;
}

.page-products .pk-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--k8-cyan) 0%, var(--k8-cyan) 34%, var(--k8-orange) 34%, var(--k8-orange) 46%, transparent 46%);
}

.page-products .pk-hero > .k8-shell {
  position: relative;
  z-index: 1;
}

.page-products .pk-hero .k8-eyebrow {
  color: var(--k8-cyan);
}

.page-products .pk-hero h1 {
  font-family: var(--k8-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.75rem, 5vw, 3.1rem);
  line-height: 1.14;
  margin: 0.6rem 0 0;
  color: #ffffff;
  max-width: 18em;
}

.page-products .pk-hero__lead {
  margin: 1rem 0 0;
  max-width: 42rem;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  color: rgba(242, 245, 247, 0.82);
}

.page-products .pk-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(143, 163, 184, 0.3);
  border: 1px solid rgba(143, 163, 184, 0.3);
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-products .pk-stat {
  background: var(--k8-ink-900);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-products .pk-stat__num {
  font-family: var(--k8-mono);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  line-height: 1.1;
  color: var(--k8-cyan);
  letter-spacing: -0.02em;
}

.page-products .pk-stat__label {
  font-family: var(--k8-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--k8-line);
}

/* ---------- 侧轨 + 主内容 ---------- */
.page-products .pk-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-left: var(--pk-gutter);
  padding-right: var(--pk-gutter);
  padding-top: 0;
  padding-bottom: 0;
}

.page-products .pk-rail {
  padding: 1.4rem 0 0.4rem;
  border-top: 2px solid var(--k8-cyan);
  margin-top: 1.4rem;
}

.page-products .pk-rail__head {
  font-family: var(--k8-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--k8-cyan-dark);
  margin: 0 0 0.7rem;
  text-transform: uppercase;
}

.page-products .pk-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.2rem 1rem;
}

.page-products .pk-rail__node {
  position: relative;
  padding: 0.45rem 0 0.45rem 1rem;
  border-left: 1px solid var(--k8-mist);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.page-products .pk-rail__node::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 0.95rem;
  width: 6px;
  height: 6px;
  background: var(--k8-cyan);
}

.page-products .pk-rail__year {
  font-family: var(--k8-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--k8-ink-800);
}

.page-products .pk-rail__label {
  font-size: 0.78rem;
  line-height: 1.5;
  color: #5c6a7c;
}

.page-products .pk-flow {
  padding-bottom: clamp(1.5rem, 4vw, 3rem);
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .pk-sec {
  padding: clamp(1.9rem, 4vw, 3.2rem) 0;
  border-top: 1px solid var(--k8-mist);
}

.page-products .pk-sec:first-child {
  border-top: 0;
  padding-top: clamp(1.5rem, 3vw, 2.2rem);
}

.page-products .pk-sec .k8-eyebrow {
  color: var(--k8-cyan-dark);
}

.page-products .pk-sec h2 {
  font-family: var(--k8-display);
  font-weight: 800;
  letter-spacing: -0.015em;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.28;
  margin: 0.35rem 0 0.8rem;
  color: var(--k8-ink-900);
}

.page-products .pk-sec h3 {
  font-family: var(--k8-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.4;
  margin: 0;
  color: var(--k8-ink-900);
}

.page-products .pk-sec p {
  max-width: var(--k8-measure);
  margin: 0 0 0.95rem;
  font-size: 0.98rem;
}

.page-products .pk-lead {
  font-size: 1rem;
  color: #33404f;
}

/* ---------- 图片 ---------- */
.page-products .pk-figure {
  margin: 1.4rem 0 0;
  border: 1px solid var(--k8-mist);
  background: var(--pk-card);
}

.page-products .pk-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pk-figure__cap {
  font-family: var(--k8-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: #5c6a7c;
  padding: 0.6rem 0.85rem;
  border-top: 1px solid var(--k8-mist);
  margin: 0;
  max-width: none;
}

/* ---------- 双版本分屏 ---------- */
.page-products .pk-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 1.6rem;
  background: var(--k8-mist);
  border: 1px solid var(--k8-mist);
}

.page-products .pk-half {
  padding: 1.2rem 1.15rem 1.35rem;
}

.page-products .pk-half--classic {
  background: var(--k8-ink-900);
  color: var(--k8-paper);
}

.page-products .pk-half--upgrade {
  background: var(--pk-card);
  border-top: 3px solid var(--k8-orange);
}

.page-products .pk-half__kicker {
  font-family: var(--k8-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: var(--k8-cyan);
}

.page-products .pk-half--upgrade .pk-half__kicker {
  color: var(--k8-orange);
}

.page-products .pk-half__num {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0 0 0.8rem;
  font-family: var(--k8-mono);
}

.page-products .pk-half__num b {
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--k8-cyan);
  font-weight: 700;
}

.page-products .pk-half--upgrade .pk-half__num b {
  color: var(--k8-orange);
}

.page-products .pk-half__num span {
  font-size: 0.82rem;
  color: var(--k8-line);
  letter-spacing: 0.06em;
}

.page-products .pk-half__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.page-products .pk-half__list li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(242, 245, 247, 0.8);
}

.page-products .pk-half--upgrade .pk-half__list li {
  color: #45516300;
  color: #455163;
}

.page-products .pk-half__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--k8-cyan-dark);
}

.page-products .pk-half--upgrade .pk-half__list li::before {
  background: var(--k8-orange);
}

/* ---------- 栏目矩阵 ---------- */
.page-products .pk-cats {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--k8-mist);
  border: 1px solid var(--k8-mist);
}

.page-products .pk-cats__item {
  background: var(--pk-card);
  padding: 1.05rem 1.05rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-products .pk-cats__idx {
  font-family: var(--k8-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--k8-cyan-dark);
}

.page-products .pk-cats__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.62;
  color: #4c5a6b;
  max-width: none;
}

.page-products .pk-cats__count {
  margin: 0.2rem 0 0;
  font-family: var(--k8-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: #6c7a8c;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
  max-width: none;
}

.page-products .pk-cats__count b {
  font-size: 1.16rem;
  color: var(--k8-ink-900);
  letter-spacing: -0.01em;
}

.page-products .pk-cats__plus {
  margin-left: auto;
  color: var(--k8-orange);
  background: var(--k8-orange-pale);
  padding: 0.1rem 0.42rem;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

/* ---------- 等级图例 ---------- */
.page-products .pk-legend {
  list-style: none;
  margin: 1.3rem 0 1.2rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--k8-mist);
  border: 1px solid var(--k8-mist);
}

.page-products .pk-legend__row {
  background: var(--pk-card);
  padding: 0.85rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
}

.page-products .pk-legend__chip {
  font-family: var(--k8-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.16rem 0.5rem;
  border: 1px solid currentColor;
  white-space: nowrap;
  flex: none;
}

.page-products .pk-legend__chip--major {
  color: var(--k8-orange);
  background: var(--k8-orange-pale);
  border-color: var(--k8-orange);
}

.page-products .pk-legend__chip--minor {
  color: var(--k8-cyan-dark);
  border-color: var(--k8-cyan-dark);
}

.page-products .pk-legend__chip--fix {
  color: #5c6a7c;
  border-color: var(--k8-line);
}

.page-products .pk-legend__desc {
  margin: 0;
  flex: 1 1 14rem;
  min-width: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #455163;
  max-width: none;
}

/* ---------- 筛选条 ---------- */
.page-products .pk-filter {
  margin-top: 1.2rem;
}

/* ---------- 变更条目 ---------- */
.page-products .pk-entries {
  margin-top: 1rem;
  border-top: 1px solid var(--k8-mist);
}

.page-products .pk-entry {
  border-bottom: 1px solid var(--k8-mist);
  background: var(--pk-card);
}

.page-products .pk-entry--new {
  background: #fffaf6;
}

.page-products .pk-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.6rem;
  padding: 0.85rem 0.9rem;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pk-entry__head:focus-visible {
  outline: 2px solid var(--k8-violet);
  outline-offset: -2px;
}

.page-products .pk-entry__title {
  flex: 1 1 12rem;
  min-width: 0;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--k8-ink-900);
}

.page-products .pk-entry__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
  margin-left: auto;
}

.page-products .pk-entry__mark::before,
.page-products .pk-entry__mark::after {
  content: "";
  position: absolute;
  background: var(--k8-cyan-dark);
}

.page-products .pk-entry__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-products .pk-entry__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform 180ms ease;
}

.page-products .pk-entry[open] .pk-entry__mark::after {
  transform: scaleY(0);
}

.page-products .pk-entry__body {
  padding: 0 0.9rem 0.95rem;
  border-top: 1px dashed var(--k8-mist);
}

.page-products .pk-entry__body p {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  line-height: 1.68;
  color: #455163;
}

.page-products .pk-entry__path {
  font-family: var(--k8-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--k8-cyan-dark);
  max-width: none;
}

.page-products .pk-tag {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem;
  border: 1px solid currentColor;
  white-space: nowrap;
  flex: none;
}

.page-products .pk-tag--major {
  color: var(--k8-orange);
  border-color: var(--k8-orange);
  background: var(--k8-orange-pale);
}

.page-products .pk-tag--minor {
  color: var(--k8-cyan-dark);
  border-color: var(--k8-cyan-dark);
}

.page-products .pk-tag--fix {
  color: #5c6a7c;
  border-color: var(--k8-line);
}

.page-products .pk-entry__ver {
  font-family: var(--k8-mono);
  letter-spacing: 0.04em;
}

/* ---------- 新增分布条 ---------- */
.page-products .pk-dist {
  margin: 1.3rem 0 1.4rem;
  border: 1px solid var(--k8-mist);
  background: var(--pk-card);
}

.page-products .pk-dist__row {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) 3.2rem;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.85rem;
  border-top: 1px solid var(--k8-mist);
}

.page-products .pk-dist__row:first-child {
  border-top: 0;
}

.page-products .pk-dist__name {
  font-size: 0.85rem;
  color: var(--k8-ink-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .pk-dist__bar {
  display: block;
  height: 6px;
  background: #f0e2d6;
  position: relative;
}

.page-products .pk-bar {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--pk-w, 0%);
  background: var(--k8-orange);
}

.page-products .pk-dist__num {
  font-family: var(--k8-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--k8-orange);
  text-align: right;
}

/* ---------- 三级路径 ---------- */
.page-products .pk-path {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--k8-mist);
  border: 1px solid var(--k8-mist);
}

.page-products .pk-path__step {
  background: var(--k8-ink-800);
  color: var(--k8-paper);
  padding: 0.9rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.page-products .pk-path__no {
  font-family: var(--k8-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--k8-cyan);
  flex: none;
  padding-top: 0.1rem;
}

.page-products .pk-path__txt {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.62;
  color: rgba(242, 245, 247, 0.84);
  max-width: none;
}

/* ---------- 结尾动作 ---------- */
.page-products .pk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.page-products .pk-actions .k8-btn {
  text-decoration: none;
}

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

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

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

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

  .page-products .pk-path__step {
    flex-direction: column;
    gap: 0.35rem;
  }
}

/* ---------- 桌面：固定侧轨 ---------- */
@media (min-width: 960px) {
  .page-products .pk-frame {
    grid-template-columns: 208px minmax(0, 1fr);
    column-gap: clamp(1.8rem, 4vw, 3.6rem);
  }

  .page-products .pk-rail {
    position: sticky;
    top: 82px;
    align-self: start;
    margin-top: clamp(2rem, 3vw, 2.6rem);
    padding: 0.9rem 0 0;
  }

  .page-products .pk-rail__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-products .pk-rail__node {
    padding: 0.55rem 0 0.55rem 1.05rem;
    border-left: 1px solid var(--k8-mist);
  }

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

  .page-products .pk-cats__item:nth-child(3n + 2) {
    transform: translateY(0.9rem);
  }

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

  .page-products .pk-figure--wide {
    margin-top: 2.4rem;
  }

  .page-products .pk-figure--square {
    max-width: 26rem;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-products .pk-top,
  .page-products .pk-rail,
  .page-products .pk-filter,
  .page-products .pk-actions,
  .page-products .pk-entry__mark {
    display: none;
  }

  .page-products {
    background: #ffffff;
  }

  .page-products .pk-hero {
    background: none;
    color: #000000;
    padding: 0 0 1rem;
  }

  .page-products .pk-hero::before,
  .page-products .pk-hero::after {
    display: none;
  }

  .page-products .pk-hero h1,
  .page-products .pk-hero__lead {
    color: #000000;
  }

  .page-products .pk-stat {
    background: none;
  }

  .page-products .pk-stat__num {
    color: #000000;
  }

  .page-products .pk-entry__body {
    display: block;
  }

  .page-products .pk-frame {
    grid-template-columns: minmax(0, 1fr);
    padding-left: 0;
    padding-right: 0;
  }
}
<<<END>>>

.page-products {
  --pk-w: 1rem;
}