.page-products {
  --pk-r: 14px;
  --pk-idx-w: 236px;
  --pk-row-hover: #182252;
  --pk-row-hover-strong: #1B2560;
  color: var(--paper);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-products .crumbs {
  padding: 18px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pk-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pk-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 5vw, 46px);
  line-height: 1.16;
  margin: 10px 0 18px;
  max-width: 24ch;
}

.page-products .pk-hero .lead {
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--paper);
}

.page-products .pk-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
  overflow: hidden;
}

.page-products .pk-hero__stats li {
  background: var(--ink-850);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pk-stat__n {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-products .pk-stat__l {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 索引与主体 ---------- */
.page-products .pk-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-products .pk-index {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 14px;
}

.page-products .pk-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .pk-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pk-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .pk-index__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pk-index__list a:hover {
  color: var(--paper);
}

.page-products .pk-index__list a.is-current {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 区块节奏 ---------- */
.page-products .pk-sec {
  padding: clamp(32px, 5vw, 58px) 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-products .pk-sec h2 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.25;
  margin: 10px 0 16px;
  max-width: 26ch;
}

.page-products .pk-sec h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-products .pk-text {
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  margin: 0 0 18px;
}

.page-products .pk-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-products .pk-note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-products .pk-figure {
  margin: 0 0 22px;
}

.page-products .figure__frame {
  overflow: hidden;
  border-radius: var(--pk-r);
}

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

.page-products .pk-closing {
  margin: clamp(28px, 4vw, 52px) 0 0;
}

/* ---------- 对比矩阵 ---------- */
.page-products .pk-matrix-wrap {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
  background: var(--ink-800);
}

.page-products .pk-matrix-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 52px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(20, 27, 69, 0) 0%, rgba(10, 15, 44, 0.92) 100%);
  border-radius: 0 var(--pk-r) var(--pk-r) 0;
}

.page-products .pk-matrix {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pk-matrix__cap,
.page-products .pk-diff__cap {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .pk-matrix th,
.page-products .pk-matrix td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pk-matrix thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-700);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-products .pk-matrix thead th:first-child {
  left: 0;
  z-index: 3;
}

.page-products .pk-matrix tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ink-850);
  font-weight: 600;
  color: var(--paper);
}

.page-products .pk-matrix tbody td {
  color: var(--muted);
}

.page-products .pk-matrix tbody tr:hover td {
  background: var(--pk-row-hover);
}

.page-products .pk-matrix tbody tr:hover th {
  background: var(--pk-row-hover-strong);
}

.page-products .pk-matrix tbody tr:last-child th,
.page-products .pk-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pk-team {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-start;
}

.page-products .pk-team__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 14px;
}

.page-products .pk-matrix .tag {
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-products .pk-up {
  color: var(--home);
}

.page-products .pk-down {
  color: var(--away);
}

.page-products .pk-seq {
  color: var(--cyan);
  font-size: 12.5px;
}

/* ---------- 六个维度说明 ---------- */
.page-products .pk-dims {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
  overflow: hidden;
}

.page-products .pk-dims > div {
  background: var(--ink-850);
  padding: 15px 18px;
}

.page-products .pk-dims dt {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}

.page-products .pk-dims__no {
  color: var(--cyan);
  font-size: 12px;
}

.page-products .pk-dims dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 主客场区间 ---------- */
.page-products .pk-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .pk-ranges {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
  background: var(--ink-850);
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
}

.page-products .pk-range__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .pk-range__team {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 14px;
}

.page-products .pk-range__val {
  font-size: 12px;
  color: var(--muted);
}

.page-products .pk-range__line {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.page-products .pk-range__label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-products .pk-range__track {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: var(--ink-700);
  overflow: hidden;
}

.page-products .pk-range__fill {
  display: block;
  height: 100%;
  width: var(--pk-w, 50%);
  border-radius: 999px;
  transition: filter 180ms var(--ease);
}

.page-products .pk-range__fill--home {
  background: linear-gradient(90deg, rgba(111, 227, 176, 0.45) 0%, var(--home) 100%);
}

.page-products .pk-range__fill--away {
  background: linear-gradient(90deg, rgba(124, 155, 255, 0.4) 0%, var(--away) 100%);
}

.page-products .pk-range:hover .pk-range__fill {
  filter: brightness(1.18);
}

/* ---------- 走势 ---------- */
.page-products .pk-trend {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
  margin-bottom: 20px;
  padding: 18px;
  background: var(--ink-850);
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
}

.page-products .pk-spark {
  width: 100%;
  height: auto;
  display: block;
}

.page-products .pk-spark__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-products .pk-spark__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-products .pk-spark__dots circle {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .pk-spark__labels text {
  fill: var(--muted);
  font-size: 15px;
  font-family: var(--font-body);
  text-anchor: middle;
}

.page-products .pk-trend .pk-figure {
  margin: 0;
}

/* ---------- 折叠区 ---------- */
.page-products .pk-more {
  margin: 0 0 24px;
  padding: 0 16px;
  background: var(--ink-850);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-products .pk-more summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--paper);
  list-style: none;
}

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

.page-products .pk-more summary::after {
  content: "展开";
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-weight: 400;
}

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

.page-products .pk-more ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

/* ---------- 版本对照 ---------- */
.page-products .pk-diff-wrap {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
  background: var(--ink-800);
  margin-bottom: 22px;
}

.page-products .pk-diff {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pk-diff th,
.page-products .pk-diff td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .pk-diff thead th {
  background: var(--ink-700);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-products .pk-diff tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .pk-diff tbody tr:last-child th,
.page-products .pk-diff tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pk-diff .pk-old {
  color: var(--muted);
}

.page-products .pk-diff .pk-new {
  color: var(--paper);
  background: rgba(47, 230, 200, 0.07);
  box-shadow: inset 2px 0 0 var(--cyan);
}

/* ---------- 更新节奏 ---------- */
.page-products .pk-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pk-r);
  overflow: hidden;
}

.page-products .pk-facts li {
  position: relative;
  background: var(--ink-850);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pk-facts li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-products .pk-facts__n {
  font-size: 30px;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-products .pk-facts__t {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--cyan);
}

.page-products .pk-facts__d {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 使用场景 ---------- */
.page-products .pk-users {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-products .pk-users li {
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--home);
  border-radius: var(--r-md);
}

.page-products .pk-users li:nth-child(2) {
  border-left-color: var(--away);
}

.page-products .pk-users li:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-products .pk-users li:nth-child(4) {
  border-left-color: var(--orange);
}

.page-products .pk-users p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三步开始 ---------- */
.page-products .pk-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-products .pk-steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--ink-850);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.page-products .pk-steps__no {
  font-size: 20px;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .pk-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pk-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 700px) {
  .page-products .pk-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

  .page-products .pk-steps li {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (min-width: 960px) {
  .page-products .pk-layout {
    grid-template-columns: var(--pk-idx-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pk-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
    padding: 0 0 0 12px;
  }

  .page-products .pk-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .pk-index__list a {
    white-space: normal;
    padding: 9px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
  }

  .page-products .pk-index__list a.is-current {
    background: rgba(47, 230, 200, 0.08);
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }

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

  .page-products .pk-trend {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

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

  .page-products .pk-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .pk-sec {
    padding: clamp(44px, 5vw, 72px) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pk-index__list a,
  .page-products .pk-range__fill {
    transition: none;
  }
}

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