.page-products {
  padding-bottom: 120px;
  color: var(--paper);
}

.page-products .px-crumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-products .px-crumb-link:hover,
.page-products .px-crumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ── 首屏 ───────────────────────────────────── */
.page-products .px-intro {
  padding-top: 48px;
  max-width: 860px;
}

.page-products .px-eyebrow {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-products .px-intro h1 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 48px);
  line-height: 1.24;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--paper);
  max-width: 17ch;
}

.page-products .px-lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 28px;
  color: var(--muted);
}

.page-products .px-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .px-stat {
  position: relative;
  padding: 16px 0 16px 18px;
  border-left: 3px solid var(--rc, var(--line-scale));
  background: linear-gradient(90deg, var(--glass), transparent 70%);
}

.page-products .px-stat-num {
  display: block;
  font-size: 28px;
  line-height: 32px;
  letter-spacing: 0;
  color: var(--paper);
}

.page-products .px-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 22px;
  color: var(--muted);
}

.page-products .px-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* ── 章节骨架 ───────────────────────────────── */
.page-products .px-section {
  margin-top: 96px;
  scroll-margin-top: 96px;
}

.page-products .px-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.page-products .px-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-products .px-head h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .px-sub {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 27px;
  color: var(--muted);
}

.page-products .divider-ranges {
  margin-top: 88px;
}

/* ── 资源包 ─────────────────────────────────── */
.page-products .px-pack-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products .px-pack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .px-pack {
  padding: 24px 22px;
  border: 1px solid var(--line-scale);
  border-left: 4px solid var(--rc, var(--line-scale));
  background: var(--ink-cabin);
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.page-products .px-pack:hover,
.page-products .px-pack:focus-within {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 0 1px var(--rc, var(--cyan)), 0 0 18px rgba(0, 229, 255, 0.14);
}

.page-products .px-pack-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .px-pack-head h3 {
  margin: 0;
  font-size: 20px;
  line-height: 30px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .px-badge {
  flex: none;
  padding: 3px 9px;
  font-size: 12px;
  line-height: 18px;
  letter-spacing: 0.06em;
  color: var(--amber);
  border: 1px solid rgba(255, 194, 75, 0.45);
  border-radius: 2px;
  white-space: nowrap;
}

.page-products .px-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 16px 0 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-scale);
  border-bottom: 1px solid var(--line-scale);
}

.page-products .px-meta-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .px-meta dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .px-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--paper);
}

.page-products .px-pack p {
  margin: 0;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

.page-products .px-pack-fig {
  margin: 0;
}

/* ── 逐档说明 ───────────────────────────────── */
.page-products .px-range-fig {
  margin: 0 0 44px;
}

.page-products .px-range-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .px-range-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 20px 18px 20px 0;
  border-left: 4px solid var(--rc, var(--line-scale));
  background: linear-gradient(90deg, var(--glass), transparent 78%);
  scroll-margin-top: 96px;
}

.page-products .px-range-id {
  margin: 0;
  padding-left: 16px;
  font-size: 22px;
  line-height: 30px;
  letter-spacing: 0;
  color: var(--rc, var(--paper));
}

.page-products .px-range-body h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 28px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .px-range-read {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 22px;
  letter-spacing: 0;
  color: var(--rc, var(--muted));
}

.page-products .px-range-body p:last-child {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

/* ── 两条活动线 ─────────────────────────────── */
.page-products .px-track {
  padding: 28px 22px;
  border: 1px solid var(--line-scale);
  background: var(--ink-cabin);
}

.page-products .px-track--weekly {
  border-top: 3px solid var(--cyan);
}

.page-products .px-track--monthly {
  border-top: 3px solid var(--magenta);
}

.page-products .px-track-head {
  max-width: 44em;
  margin-bottom: 28px;
}

.page-products .px-track-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  font-size: 11px;
  line-height: 18px;
  letter-spacing: 0.16em;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.page-products .px-track--weekly .px-track-tag {
  color: var(--cyan);
}

.page-products .px-track--monthly .px-track-tag {
  color: var(--magenta);
}

.page-products .px-track-head h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 32px;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .px-track-head p {
  margin: 0;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

.page-products .px-track-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .px-track-node {
  position: relative;
  padding: 0 0 24px 26px;
  border-left: 1px solid var(--line-scale);
}

.page-products .px-track-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .px-track-dot {
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-abyss);
  border: 2px solid var(--line-scale);
}

.page-products .px-track--weekly .px-track-dot {
  border-color: var(--cyan);
}

.page-products .px-track--monthly .px-track-dot {
  border-color: var(--magenta);
}

.page-products .px-track-time {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 20px;
  letter-spacing: 0;
  color: var(--muted);
}

.page-products .px-track-node h4 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 26px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .px-track-node p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 24px;
  color: var(--muted);
}

.page-products .px-dual-fig {
  margin: 36px 0;
}

/* ── 积分比率 ───────────────────────────────── */
.page-products .px-points-fig {
  margin: 0 0 32px;
}

.page-products .px-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-scale);
  background: var(--ink-cabin);
  -webkit-overflow-scrolling: touch;
}

.page-products .px-table {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .px-table-cap {
  padding: 14px 18px 0;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .px-table th,
.page-products .px-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line-scale);
  background: var(--ink-cabin);
  white-space: nowrap;
}

.page-products .px-table thead th {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-weight: 500;
}

.page-products .px-table tbody tr:last-child th,
.page-products .px-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .px-table th:first-child,
.page-products .px-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  box-shadow: 1px 0 0 var(--line-scale);
}

.page-products .px-table tbody td:first-child {
  color: var(--paper);
}

.page-products .px-table tbody tr:hover td {
  background: rgba(0, 229, 255, 0.05);
}

.page-products .px-cell-range {
  color: var(--rc, var(--paper));
  letter-spacing: 0.08em;
}

.page-products .px-steps {
  margin-top: 36px;
  padding: 24px 22px;
  border: 1px solid var(--line-scale);
  border-left: 4px solid var(--amber);
  background: var(--ink-cabin);
}

.page-products .px-steps h3 {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 28px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

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

.page-products .px-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

.page-products .px-steps li .mono {
  font-size: 13px;
  color: var(--amber);
}

/* ── 下载说明 ───────────────────────────────── */
.page-products .px-dl-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

.page-products .px-dl-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-scale);
}

.page-products .px-dl-list li:first-child {
  border-top: 1px solid var(--line-scale);
}

.page-products .px-dl-key {
  font-size: 11px;
  line-height: 18px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .px-dl-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 27px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .px-dl-list p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

.page-products .px-dl-fig {
  margin: 0;
}

/* ── 扩展档 ─────────────────────────────────── */
.page-products .px-extend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .px-extend-card {
  padding: 24px 22px;
  border: 1px solid var(--line-scale);
  border-top: 3px solid var(--rc, var(--line-scale));
  background: var(--glass);
}

.page-products .px-extend-card h3 {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 28px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .px-extend-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .px-extend-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 25px;
  color: var(--muted);
}

.page-products .px-extend-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rc, var(--muted));
  opacity: 0.85;
}

/* ── 收尾 ───────────────────────────────────── */
.page-products .px-outro {
  margin-top: 96px;
  padding-top: 40px;
  border-top: 1px solid var(--line-scale);
}

.page-products .px-outro h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 40px;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-products .px-outro p {
  margin: 0 0 28px;
  max-width: 44em;
  font-size: 15px;
  line-height: 27px;
  color: var(--muted);
}

.page-products .px-outro-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-products .px-outro-link {
  display: block;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 24px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line-scale);
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), color 180ms var(--ease-out);
}

.page-products .px-outro-link .mono {
  color: var(--cyan);
  margin-right: 10px;
}

.page-products .px-outro-link:hover,
.page-products .px-outro-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.18);
}

/* ── 图片容器 ───────────────────────────────── */
.page-products .figure-img img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ── 响应式 ─────────────────────────────────── */
@media (min-width: 640px) {
  .page-products .px-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

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

  .page-products .px-range-item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
  }

  .page-products .px-dl-list li {
    grid-template-columns: 96px 1fr;
    gap: 20px;
    align-items: start;
  }

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

  .page-products .px-outro-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}

@media (min-width: 900px) {
  .page-products .px-section {
    margin-top: 120px;
  }

  .page-products .divider-ranges {
    margin-top: 112px;
  }

  .page-products .px-pack-wrap {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
  }

  .page-products .px-pack-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-products .px-range-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 28px;
  }

  .page-products .px-track {
    padding: 34px 32px;
  }

  .page-products .px-track-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 20px;
  }

  .page-products .px-track-node {
    padding: 26px 20px 0 0;
    border-left: none;
    border-top: 1px solid var(--line-scale);
  }

  .page-products .px-track-node:last-child {
    padding-bottom: 0;
  }

  .page-products .px-track-dot {
    left: 0;
    top: -5px;
  }

  .page-products .px-dl-wrap {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .px-outro-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-products .px-intro {
    padding-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}