.page-products {
  --rail-top: calc(var(--header-h) + 24px);
}

/* ---------- 页面头部 ---------- */
.page-products .catalog-head {
  padding: clamp(20px, 4vw, 48px) 0 clamp(24px, 4vw, 44px);
  border-bottom: var(--line);
}

.page-products .catalog-lede {
  max-width: 64ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.82;
  color: var(--c-ink);
}

.page-products .catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-products .head-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  background: var(--c-line);
  border: var(--line);
}

.page-products .head-fact {
  background: var(--c-panel);
  padding: 14px 16px;
}

.page-products .head-fact dt {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-products .head-fact dd {
  margin: 6px 0 0;
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--c-accent);
}

.page-products .head-fact--wide dd {
  font-size: var(--fs-20);
  color: var(--c-ink);
}

/* ---------- 栅格与侧栏 ---------- */
.page-products .grid-12 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .col-rail,
.page-products .col-main {
  min-width: 0;
}

.page-products .rail {
  border: var(--line);
  background: var(--c-panel);
  padding: 18px 16px;
}

.page-products .rail-label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-products .rail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .rail-nav {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .rail-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid transparent;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .rail-nav a:hover,
.page-products .rail-nav a:focus-visible {
  color: var(--c-ink);
  border-left-color: var(--c-accent);
  background: var(--c-panel-deep);
}

.page-products .rail-nav .mono {
  font-size: var(--fs-12);
  color: var(--c-accent);
}

.page-products .rail-note {
  margin-top: 16px;
}

.page-products .rail-note-key {
  margin: 10px 0 2px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-products .rail-note-val {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--c-ink);
}

/* ---------- 章节通用 ---------- */
.page-products .section {
  padding: clamp(36px, 6vw, 72px) 0;
  border-top: var(--line);
}

.page-products .col-main > .section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .chapter {
  margin-bottom: 24px;
}

.page-products .chapter-note {
  max-width: 58ch;
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-muted);
}

.page-products .media-frame {
  margin: 0 0 24px;
}

/* ---------- 01 索引卡片 ---------- */
.page-products .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: var(--line);
}

.page-products .index-card {
  display: grid;
  gap: 6px;
  padding: 22px 20px;
  background: var(--c-panel);
  color: inherit;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .index-card:hover,
.page-products .index-card:focus-visible {
  background: var(--c-panel-deep);
  border-left-color: var(--c-accent);
}

.page-products .index-num {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-accent);
}

.page-products .index-title {
  font-family: var(--ff-serif);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--c-ink);
}

.page-products .index-meta {
  font-size: var(--fs-12);
  color: var(--c-amber-soft);
  letter-spacing: 0.04em;
}

.page-products .index-desc {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-muted);
}

.page-products .index-go {
  margin-top: 4px;
  font-size: var(--fs-14);
  color: var(--c-accent);
}

/* ---------- 左右分栏（图文） ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.page-products .split-text p {
  margin: 0 0 14px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-products .split-text p:last-child {
  margin-bottom: 0;
}

.page-products .split .media-frame {
  margin: 0;
}

/* ---------- 卡片（可展开） ---------- */
.page-products .card {
  border: var(--line);
  background: var(--c-panel);
}

.page-products .card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  border-left: 2px solid var(--c-accent);
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-products .card-head:hover,
.page-products .card-head:focus-visible {
  background: var(--c-panel-deep);
}

.page-products .card-title {
  font-family: var(--ff-serif);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--c-ink);
}

.page-products .card-meta {
  font-size: var(--fs-12);
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

.page-products .card-meta.amber-text {
  color: var(--c-amber-soft);
}

.page-products .card-arrow {
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--c-accent);
  transition: transform var(--dur) var(--ease);
}

.page-products .card[data-open="true"] .card-arrow {
  transform: rotate(45deg);
}

.page-products .card-panel {
  border-top: var(--line);
}

.page-products .card-panel-inner {
  padding: 20px 18px 22px;
}

/* ---------- 字段表 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .field-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-products .field-table th,
.page-products .field-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

.page-products .field-table thead th {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-muted);
  border-bottom: 1px solid var(--c-dim);
}

.page-products .field-table td:first-child {
  color: var(--c-accent);
  font-size: var(--fs-14);
  white-space: nowrap;
}

.page-products .field-table td:nth-child(2) {
  color: var(--c-ink);
}

.page-products .field-table td:nth-child(3) {
  color: var(--c-muted);
}

/* ---------- 03 进失球分布 ---------- */
.page-products .dist-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: var(--line);
  margin-bottom: 24px;
}

.page-products .dist-block {
  padding: 20px 18px;
  background: var(--c-panel);
}

.page-products .dist-key {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-accent);
}

.page-products .dist-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-products .league-band {
  border: var(--line);
  border-top: 3px solid var(--c-accent);
  background: var(--c-panel-deep);
  padding: 18px;
}

.page-products .league-band-label {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-products .league-band-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-products .league-band-note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--c-muted);
}

.page-products .inline-link {
  margin: 24px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-muted);
}

.page-products .inline-link a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--c-dim);
}

.page-products .inline-link a:hover,
.page-products .inline-link a:focus-visible {
  color: var(--c-accent-soft);
  border-bottom-color: var(--c-accent);
}

/* ---------- 04 对比卡 ---------- */
.page-products .compare-slots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: var(--line);
}

.page-products .compare-slot {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  background: var(--c-panel);
}

.page-products .compare-slot--open {
  background: var(--c-panel-deep);
  border: 1px dashed var(--c-dim);
}

.page-products .compare-slot-key {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.04em;
}

.page-products .compare-slot--open .compare-slot-key {
  color: var(--c-dim);
}

.page-products .compare-slot-name {
  margin: 0;
  font-family: var(--ff-serif);
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--c-ink);
}

.page-products .compare-slot--open .compare-slot-name {
  color: var(--c-muted);
  font-weight: 400;
}

.page-products .compare-fields {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-products .compare-fields li {
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--c-muted);
  padding-left: 12px;
  position: relative;
}

.page-products .compare-fields li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--c-accent);
}

.page-products .compare-slot-hint {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 05 入口状态 ---------- */
.page-products .status-header {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-products .status-chip {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  align-self: start;
  padding: 10px 16px;
  border: var(--line);
  border-left: 3px solid var(--c-accent);
  background: var(--c-panel-deep);
}

.page-products .status-chip[data-status="changed"] {
  border-left-color: var(--c-amber);
}

.page-products .status-chip-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 10px var(--c-accent);
}

.page-products .status-chip[data-status="changed"] .status-chip-dot {
  background: var(--c-amber);
  box-shadow: 0 0 10px var(--c-amber);
}

.page-products .status-chip-key {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-products .status-chip-val {
  font-family: var(--ff-mono);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-accent);
}

.page-products .status-chip[data-status="changed"] .status-chip-val {
  color: var(--c-amber-soft);
}

.page-products .status-header-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 62ch;
}

.page-products .entry-timeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: var(--line);
}

.page-products .entry-node {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: var(--c-panel);
  position: relative;
}

.page-products .entry-node-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent);
}

.page-products .entry-node--changed {
  background: var(--c-panel-deep);
  border-left: 3px solid var(--c-amber);
}

.page-products .entry-node--changed .entry-node-dot {
  background: var(--c-amber);
  box-shadow: 0 0 12px var(--c-amber);
}

.page-products .entry-node-label {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-products .entry-node-text {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-ink);
}

.page-products .entry-node--changed .entry-node-text {
  color: var(--c-amber-soft);
}

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

.page-products .steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-ink);
}

.page-products .steps-num {
  font-size: var(--fs-12);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

.page-products .steps a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--c-dim);
}

.page-products .steps a:hover,
.page-products .steps a:focus-visible {
  color: var(--c-accent-soft);
  border-bottom-color: var(--c-accent);
}

/* ---------- 06 路径 ---------- */
.page-products .path-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: var(--line);
}

.page-products .path-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px;
  background: var(--c-panel);
  border-top: 3px solid var(--c-accent);
}

.page-products .path-card--amber {
  border-top-color: var(--c-amber);
}

.page-products .path-card-tag {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-products .path-card-title {
  margin: 0;
  font-family: var(--ff-serif);
  font-size: var(--fs-20);
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-products .path-card-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .path-card .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 焦点可见性 ---------- */
.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .head-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

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

@media (min-width: 1024px) {
  .page-products .grid-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 40px;
  }

  .page-products .col-rail {
    grid-column: 1 / 4;
  }

  .page-products .col-main {
    grid-column: 4 / 13;
  }

  .page-products .rail {
    position: sticky;
    top: var(--rail-top);
    max-height: calc(100vh - var(--rail-top) - 24px);
    overflow-y: auto;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 36px;
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-products .split--reverse .split-text {
    order: 2;
  }

  .page-products .split--reverse .media-frame {
    order: 1;
  }

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

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

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