.page-products {
  --pp-hair: rgba(159, 184, 174, 0.24);
  --pp-card: rgba(47, 93, 74, 0.28);
  --pp-card-strong: rgba(47, 93, 74, 0.46);
  --pp-deep: rgba(7, 21, 18, 0.55);
  background: var(--c-deep);
  color: var(--c-paper);
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 80px);
}

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

.page-products .breadcrumbs {
  padding-top: clamp(14px, 2.6vw, 24px);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(16px, 3vw, 28px) clamp(34px, 6vw, 60px);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: center;
}

.page-products h1 {
  margin: 10px 0 16px;
  font-family: var(--f-display);
  font-size: clamp(30px, 6.6vw, 50px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-products .lede {
  max-width: 48ch;
  color: var(--c-mist);
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.78;
}

.page-products .pp-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .pp-facts__num {
  font-size: clamp(20px, 4vw, 26px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-orange);
}

.page-products .pp-facts__label {
  font-size: 13px;
  color: var(--c-mist);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-products .pp-hero__figure {
  position: relative;
  transform: rotate(-1.6deg);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-panel);
}

.page-products .pp-hero__figure::after {
  content: "";
  position: absolute;
  inset: auto -6% -8% 12%;
  height: 42%;
  background: linear-gradient(120deg, rgba(57, 242, 208, 0.16), transparent 70%);
  border-radius: var(--r-xl);
  z-index: -1;
  pointer-events: none;
}

/* ---------- 章节通用 ---------- */
.page-products .pp-sec {
  padding-block: clamp(36px, 6.4vw, 66px);
  border-top: 1px solid var(--pp-hair);
}

.page-products .pp-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-products .pp-head__note {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 项目矩阵 ---------- */
.page-products .pp-matrix {
  display: grid;
  gap: 12px;
}

.page-products .pp-proj {
  background: var(--pp-card);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-proj:hover {
  border-color: rgba(57, 242, 208, 0.34);
}

.page-products .pp-proj[open] {
  background: var(--pp-card-strong);
  border-color: rgba(57, 242, 208, 0.42);
}

.page-products .pp-proj summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-proj summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-proj__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-products .pp-proj__meta {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-mist);
  text-align: right;
}

.page-products .pp-proj summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-products .pp-proj[open] summary::after {
  content: "–";
  color: var(--c-orange);
}

.page-products .pp-proj__body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--pp-hair);
}

.page-products .pp-proj__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-products .pp-proj__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 赛程横向轨道 ---------- */
.page-products .pp-track {
  display: flex;
  gap: 14px;
  margin-top: clamp(22px, 3.6vw, 34px);
  padding: 4px 2px 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pp-track__item {
  flex: 0 0 84%;
  scroll-snap-align: start;
  background: var(--pp-deep);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  padding: 18px;
}

.page-products .pp-track__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-products .pp-track__item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-products .pp-track__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 三级标签树 ---------- */
.page-products .pp-tree {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-products .pp-tree__figure {
  border-radius: var(--r-lg);
  box-shadow: var(--sh-panel);
}

.page-products .pp-tree__levels {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .pp-tree__levels li {
  position: relative;
  padding: 0 0 26px 42px;
}

.page-products .pp-tree__levels li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(57, 242, 208, 0.7), rgba(57, 242, 208, 0.08));
}

.page-products .pp-tree__levels li:last-child {
  padding-bottom: 0;
}

.page-products .pp-tree__levels li:last-child::before {
  display: none;
}

.page-products .pp-tree__levels li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--c-cyan);
  background: var(--c-deep);
}

.page-products .pp-tree__levels li:nth-child(2)::after {
  border-color: var(--c-clay);
}

.page-products .pp-tree__levels li:nth-child(3)::after {
  border-color: var(--c-orange);
}

.page-products .pp-lv {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  margin-right: 10px;
}

.page-products .pp-tree__levels strong {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-products .pp-tree__levels p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-mist);
}

/* ---------- 数据维度 ---------- */
.page-products .pp-dims {
  display: grid;
  gap: 12px;
}

.page-products .pp-dims__group {
  background: var(--pp-card);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  padding: 18px;
}

.page-products .pp-dims__group h3 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-paper);
}

.page-products .pp-dims__group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-dims__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--c-orange);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
  max-width: 64ch;
}

/* ---------- 历史数据 ---------- */
.page-products .pp-history {
  display: grid;
  gap: clamp(18px, 3.4vw, 28px);
  align-items: start;
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  background: var(--pp-deep);
}

.page-products table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
}

.page-products .pp-table__caption {
  padding: 14px 16px 6px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-products th,
.page-products td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--pp-hair);
  white-space: nowrap;
}

.page-products th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-products td {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--c-paper);
}

.page-products td:first-child {
  font-family: var(--f-body);
  font-size: 14px;
}

.page-products tbody tr:nth-child(even) {
  background: rgba(47, 93, 74, 0.2);
}

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

.page-products .pp-chart-panel {
  background: var(--pp-deep);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  padding: 18px 16px 14px;
}

.page-products .pp-chart {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.page-products .pp-chart__grid line {
  stroke: rgba(159, 184, 174, 0.16);
  stroke-width: 1;
}

.page-products .pp-chart__axis {
  fill: var(--c-mist);
  font-size: 11px;
  font-family: var(--f-mono);
}

.page-products .pp-chart__area {
  fill: url(#ppArea);
}

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

.page-products .pp-chart__pt circle {
  fill: var(--c-deep);
  stroke: var(--c-orange);
  stroke-width: 2.5;
  transition: fill var(--dur) var(--ease);
}

.page-products .pp-chart__pt:hover circle {
  fill: var(--c-orange);
}

.page-products .pp-chart__val {
  fill: var(--c-orange);
  font-family: var(--f-mono);
  font-size: 11px;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-products .pp-chart__pt:hover .pp-chart__val {
  opacity: 1;
}

.page-products .pp-chart-panel__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .pp-history__figure {
  margin-top: clamp(18px, 3.2vw, 28px);
  border-radius: var(--r-lg);
}

.page-products .pp-history__text {
  margin: clamp(16px, 2.8vw, 24px) 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 收藏同步 ---------- */
.page-products .pp-sync {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-products .pp-sync__figure {
  border-radius: var(--r-lg);
  box-shadow: var(--sh-panel);
}

.page-products .pp-sync__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-sync__steps li {
  display: flex;
  gap: 14px;
  background: var(--pp-card);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-md);
  padding: 16px 18px;
}

.page-products .pp-sync__num {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(57, 242, 208, 0.55);
  color: var(--c-cyan);
  font-size: 13px;
}

.page-products .pp-sync__steps strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-products .pp-sync__steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-products .pp-sync__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-mist);
}

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

/* ---------- 词表更新 ---------- */
.page-products .pp-updates {
  display: grid;
  gap: 12px;
}

.page-products .pp-update {
  background: var(--pp-card);
  border: 1px solid var(--pp-hair);
  border-radius: var(--r-lg);
  padding: 18px;
}

.page-products .pp-update__tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-products .pp-update h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-products .pp-update p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-mist);
}

.page-products .pp-code-block {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--r-lg);
  background: rgba(7, 21, 18, 0.62);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-code-block__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-products .pp-code {
  display: block;
  overflow-x: auto;
  white-space: pre;
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--c-paper);
  background: rgba(47, 93, 74, 0.28);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--r-sm);
  padding: 14px 16px;
}

.page-products .pp-code-block__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-mist);
}

.page-products .pp-code-block__note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 尾部 CTA ---------- */
.page-products .pp-cta {
  display: grid;
  gap: clamp(20px, 3.6vw, 32px);
  align-items: center;
  padding: clamp(20px, 3.6vw, 34px);
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, rgba(47, 93, 74, 0.42), rgba(7, 21, 18, 0.75));
  border: 1px solid var(--pp-hair);
  box-shadow: var(--sh-lift);
}

.page-products .pp-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-products .pp-cta__copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .pp-cta__figure {
  border-radius: var(--r-lg);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-track__item {
    flex-basis: 54%;
  }

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

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

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 1.04fr 0.96fr;
  }

  .page-products .pp-tree {
    grid-template-columns: 1fr 0.92fr;
  }

  .page-products .pp-history {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-products .pp-sync {
    grid-template-columns: 0.78fr 1.22fr;
  }

  .page-products .pp-cta {
    grid-template-columns: 1fr 0.86fr;
  }
}

@media (min-width: 1020px) {
  .page-products .pp-matrix {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-track__item {
    flex-basis: 31%;
  }

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

  .page-products .pp-updates {
    grid-template-columns: repeat(3, 1fr);
  }
}
<<<END>>>