/* ============ page-products 专属样式 ============ */

.page-products {
  background: var(--ink-900);
  color: var(--paper-50);
  --pb-rail-w: 300px;
  --pb-edge: var(--ink-700);
  --pb-node-1: var(--turf-500);
  --pb-node-2: var(--signal-500);
  --pb-node-3: hsl(200, 58%, 62%);
  --pb-node-4: hsl(320, 58%, 62%);
}

.page-products .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */

.page-products .pb-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 64px;
  background:
    radial-gradient(130% 100% at 88% 2%, rgba(31, 163, 107, 0.18), transparent 58%),
    linear-gradient(168deg, var(--ink-800) 0%, var(--ink-900) 58%, var(--ink-900) 100%);
}

.page-products .pb-hero-cut {
  position: absolute;
  top: 0;
  right: 0;
  width: min(62vw, 760px);
  height: 100%;
  pointer-events: none;
  background: linear-gradient(212deg, rgba(255, 107, 44, 0.16), rgba(255, 107, 44, 0) 62%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pb-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 46px;
  background: var(--ink-900);
  clip-path: polygon(0 100%, 100% 34%, 100% 100%);
  pointer-events: none;
}

.page-products .pb-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-products .pb-hero-copy {
  max-width: 640px;
}

.page-products .pb-hero .breadcrumb {
  margin-bottom: 18px;
  font-size: var(--step-1);
}

.page-products .pb-hero .breadcrumb a,
.page-products .pb-hero .breadcrumb li {
  color: var(--grey-400);
}

.page-products .pb-hero .breadcrumb a:hover {
  color: var(--turf-300);
}

.page-products .pb-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-products .pb-lede {
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.82);
  margin: 18px 0 0;
  max-width: 34em;
}

.page-products .pb-hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--pb-edge);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
}

.page-products .pb-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .pb-stat-num {
  font-family: var(--font-data);
  font-size: clamp(20px, 3vw, 28px);
  font-variant-numeric: tabular-nums;
  color: var(--signal-500);
  line-height: 1.1;
}

.page-products .pb-stat-label {
  font-family: var(--font-panel);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--grey-400);
}

.page-products .pb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 首屏三面板剖面 ---------- */

.page-products .pb-rig {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 2px;
  background: var(--pb-edge);
  border: 1px solid var(--pb-edge);
  box-shadow: 3px 3px 0 rgba(27, 50, 67, 0.9);
}

.page-products .pb-rig-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 132px;
  padding: 14px 14px 16px;
  background: var(--ink-800);
}

.page-products .pb-rig-col--report {
  background: #0E1C2A;
}

.page-products .pb-rig-col--fixture {
  background: #0C1926;
}

.page-products .pb-rig-tab {
  font-family: var(--font-panel);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--turf-300);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pb-edge);
}

.page-products .pb-rig-col--report .pb-rig-tab {
  color: var(--signal-200);
}

.page-products .pb-rig-col--fixture .pb-rig-tab {
  color: var(--grey-400);
}

.page-products .pb-rig-bars,
.page-products .pb-rig-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  flex: 1;
}

.page-products .pb-rig-bars li {
  position: relative;
  height: 8px;
  background: var(--pb-edge);
}

.page-products .pb-rig-bars li::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--turf-500);
  opacity: 0.85;
}

.page-products .pb-rig-bars li:nth-child(1)::after { width: 88%; }
.page-products .pb-rig-bars li:nth-child(2)::after { width: 71%; }
.page-products .pb-rig-bars li:nth-child(3)::after { width: 93%; }
.page-products .pb-rig-bars li:nth-child(4)::after { width: 54%; }
.page-products .pb-rig-bars li:nth-child(5)::after { width: 66%; }

.page-products .pb-rig-lines li {
  height: 6px;
  background: var(--pb-edge);
}

.page-products .pb-rig-col--report .pb-rig-lines li:nth-child(1) { width: 84%; }
.page-products .pb-rig-col--report .pb-rig-lines li:nth-child(2) { width: 62%; }
.page-products .pb-rig-col--report .pb-rig-lines li:nth-child(3) { width: 74%; }

.page-products .pb-rig-col--fixture .pb-rig-lines li:nth-child(1) { width: 70%; }
.page-products .pb-rig-col--fixture .pb-rig-lines li:nth-child(2) { width: 88%; }
.page-products .pb-rig-col--fixture .pb-rig-lines li:nth-child(3) { width: 56%; }

.page-products .pb-rig-foot {
  font-family: var(--font-data);
  font-size: var(--step-1);
  color: var(--grey-400);
  letter-spacing: 0.04em;
}

/* ---------- 通用章节 ---------- */

.page-products .pb-section {
  position: relative;
  padding: 60px 0;
  background: var(--ink-900);
}

.page-products .pb-section--alt {
  background: linear-gradient(180deg, var(--ink-900) 0%, #0D1A27 50%, var(--ink-900) 100%);
}

.page-products .pb-section--hoops {
  background: linear-gradient(140deg, var(--ink-800) 0%, var(--ink-900) 46%, var(--ink-900) 100%);
  border-top: 1px solid var(--pb-edge);
  border-bottom: 1px solid var(--pb-edge);
}

.page-products .pb-head {
  position: relative;
  max-width: 760px;
  padding-left: 0;
  margin-bottom: 32px;
}

.page-products .pb-head .chapter-no {
  display: inline-block;
  margin-bottom: 10px;
}

.page-products .pb-head .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.24;
  margin: 0;
  color: var(--paper-50);
}

.page-products .pb-sub {
  margin: 12px 0 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--grey-400);
  max-width: 40em;
}

.page-products .pb-block-title {
  font-family: var(--font-panel);
  font-size: var(--step-3);
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  color: var(--paper-100);
}

/* ---------- 01 面板走向 ---------- */

.page-products .pb-wide-figure {
  margin: 0 0 32px;
  border: 1px solid var(--pb-edge);
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pb-wide-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .pb-route {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pb-edge);
  border: 1px solid var(--pb-edge);
}

.page-products .pb-route-card {
  background: var(--ink-800);
  padding: 20px 18px 22px;
  position: relative;
}

.page-products .pb-route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--turf-500);
  opacity: 0.65;
}

.page-products .pb-route-no {
  font-family: var(--font-data);
  font-size: var(--step-1);
  letter-spacing: 0.18em;
  color: var(--signal-500);
}

.page-products .pb-route-title {
  font-family: var(--font-panel);
  font-size: var(--step-3);
  letter-spacing: 0.05em;
  margin: 8px 0 8px;
  color: var(--paper-50);
}

.page-products .pb-route-card p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.72);
}

/* ---------- 02 筛选与排序 ---------- */

.page-products .pb-filters-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-products .pb-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pb-edge);
}

.page-products .pb-filter-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pb-edge);
}

.page-products .pb-filter-name {
  font-family: var(--font-data);
  font-size: var(--step-2);
  color: var(--turf-300);
  letter-spacing: 0.04em;
}

.page-products .pb-filter-desc {
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pb-sort-block {
  margin-top: 28px;
}

.page-products .pb-sort-block p {
  margin: 0 0 16px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pb-sort-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pb-sort-state {
  font-family: var(--font-panel);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  padding: 6px 12px;
  border: 1px solid var(--pb-edge);
  color: var(--grey-400);
  background: var(--ink-800);
}

.page-products .pb-sort-state.is-on {
  border-color: var(--turf-500);
  color: var(--turf-300);
  transform: translateY(-2px);
}

.page-products .pb-sort-arrow {
  font-family: var(--font-data);
  color: var(--ink-700);
}

.page-products .pb-filters-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .pb-rail-figure {
  margin: 0;
  border: 1px solid var(--pb-edge);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .pb-rail-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pb-rail-note {
  border: 1px solid var(--pb-edge);
  border-left: 3px solid var(--signal-500);
  background: var(--ink-800);
  padding: 18px 16px 20px;
}

.page-products .pb-rail-title {
  font-family: var(--font-panel);
  font-size: var(--step-3);
  letter-spacing: 0.06em;
  margin: 0 0 10px;
  color: var(--paper-50);
}

.page-products .pb-rail-note p {
  margin: 0 0 14px;
  font-size: var(--step-2);
  line-height: 1.72;
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pb-rail-link {
  font-family: var(--font-panel);
  font-size: var(--step-1);
  letter-spacing: 0.12em;
  color: var(--turf-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 217, 166, 0.4);
  padding-bottom: 2px;
}

.page-products .pb-rail-link:hover {
  color: var(--signal-200);
  border-bottom-color: var(--signal-200);
}

/* ---------- 03 字段词典 ---------- */

.page-products .pb-field-book {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--paper-50);
  color: var(--ink-900);
  border: 1px solid var(--paper-100);
  padding: 22px 18px 26px;
}

.page-products .pb-field-tex {
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  margin: 0;
  overflow: hidden;
  opacity: 0.14;
  pointer-events: none;
}

.page-products .pb-field-tex img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pb-field-index {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-products .pb-field {
  border-bottom: 1px solid var(--paper-100);
}

.page-products .pb-field summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pb-field summary::-webkit-details-marker {
  display: none;
}

.page-products .pb-field-name {
  font-family: var(--font-body);
  font-size: var(--step-3);
  font-weight: 500;
  color: var(--ink-900);
}

.page-products .pb-field-key {
  font-family: var(--font-data);
  font-size: var(--step-1);
  letter-spacing: 0.04em;
  color: #7B8792;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .pb-field[open] .pb-field-name {
  color: var(--turf-500);
}

.page-products .pb-field p {
  margin: 0 0 16px;
  font-size: var(--step-2);
  line-height: 1.78;
  color: #33404C;
  max-width: 42em;
}

/* ---------- 04 篮球名单 ---------- */

.page-products .pb-hoops-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-products .pb-hoops-copy .chapter-no {
  display: inline-block;
  margin-bottom: 10px;
}

.page-products .pb-hoops-copy .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.24;
  margin: 0 0 16px;
  color: var(--paper-50);
}

.page-products .pb-hoops-copy > p {
  margin: 0 0 22px;
  font-size: var(--step-3);
  line-height: 1.78;
  color: rgba(246, 243, 236, 0.78);
  max-width: 34em;
}

.page-products .pb-diff-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pb-edge);
}

.page-products .pb-diff-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pb-edge);
}

.page-products .pb-diff-key {
  font-family: var(--font-panel);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--signal-200);
}

.page-products .pb-diff-val {
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pb-hoops-figure {
  margin: 0;
  border: 1px solid var(--pb-edge);
  overflow: hidden;
  background: var(--ink-900);
}

.page-products .pb-hoops-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 05 视图与设备 ---------- */

.page-products .pb-views-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .pb-views-main {
  display: grid;
  gap: 1px;
  background: var(--pb-edge);
  border: 1px solid var(--pb-edge);
}

.page-products .pb-view-card {
  background: var(--ink-800);
  padding: 22px 18px 24px;
}

.page-products .pb-view-title {
  font-family: var(--font-panel);
  font-size: var(--step-4);
  letter-spacing: 0.05em;
  margin: 0 0 10px;
  color: var(--turf-300);
}

.page-products .pb-view-cond {
  margin: 0 0 16px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.78);
}

.page-products .pb-view-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pb-view-points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--grey-400);
}

.page-products .pb-view-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  background: var(--signal-500);
}

.page-products .pb-views-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pb-rail-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .pb-rail-caption {
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--grey-400);
  border-left: 2px solid var(--pb-edge);
  padding-left: 12px;
}

/* ---------- 06 版本演进 ---------- */

.page-products .pb-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-products .pb-tl {
  position: relative;
  padding-top: 26px;
  padding-right: 16px;
}

.page-products .pb-tl::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pb-edge);
}

.page-products .pb-tl::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--pb-node-1);
}

.page-products .pb-tl:nth-child(2)::after { background: var(--pb-node-2); }
.page-products .pb-tl:nth-child(3)::after { background: var(--pb-node-3); }
.page-products .pb-tl:nth-child(4)::after { background: var(--pb-node-4); }

.page-products .pb-tl-ver {
  display: block;
  font-family: var(--font-data);
  font-size: var(--step-3);
  color: var(--paper-50);
  letter-spacing: 0.04em;
}

.page-products .pb-tl-name {
  display: block;
  margin-top: 6px;
  font-family: var(--font-panel);
  font-size: var(--step-2);
  letter-spacing: 0.12em;
  color: var(--turf-300);
}

.page-products .pb-tl-desc {
  margin: 10px 0 0;
  font-size: var(--step-2);
  line-height: 1.74;
  color: rgba(246, 243, 236, 0.72);
  max-width: 30em;
}

/* ---------- 07 获取与安装 ---------- */

.page-products .pb-section--get {
  padding-bottom: 88px;
}

.page-products .pb-get-card {
  position: relative;
  border: 1px solid var(--pb-edge);
  border-top: 3px solid var(--turf-500);
  background: var(--ink-800);
  padding: 28px 20px 30px;
}

.page-products .pb-get-card .chapter-no {
  display: inline-block;
  margin-bottom: 10px;
}

.page-products .pb-get-card .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.24;
  margin: 0;
  color: var(--paper-50);
}

.page-products .pb-get-lede {
  margin: 16px 0 28px;
  font-size: var(--step-3);
  line-height: 1.78;
  color: rgba(246, 243, 236, 0.78);
  max-width: 44em;
}

.page-products .pb-get-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pb-edge);
  border: 1px solid var(--pb-edge);
}

.page-products .pb-get-block {
  background: #0E1C2A;
  padding: 20px 16px 22px;
}

.page-products .pb-get-title {
  font-family: var(--font-panel);
  font-size: var(--step-3);
  letter-spacing: 0.06em;
  margin: 0 0 10px;
  color: var(--signal-200);
}

.page-products .pb-get-block p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(246, 243, 236, 0.74);
}

.page-products .pb-get-foot {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--pb-edge);
  display: grid;
  gap: 20px;
}

.page-products .pb-get-contact {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.78;
  color: var(--grey-400);
  max-width: 44em;
}

.page-products .pb-get-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pb-rig {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

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

  .page-products .pb-filter-list li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-products .pb-diff-list li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-products .pb-section {
    padding: 76px 0;
  }

  .page-products .pb-views-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 40px;
    align-items: start;
  }

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

  .page-products .pb-field-book {
    padding: 30px 28px 34px;
  }

  .page-products .pb-field-tex {
    width: 200px;
    height: 200px;
  }
}

@media (min-width: 1000px) {
  .page-products .pb-hero {
    padding: calc(var(--header-h) + 56px) 0 96px;
  }

  .page-products .pb-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
  }

  .page-products .pb-filters-grid {
    grid-template-columns: minmax(0, 1fr) var(--pb-rail-w);
    gap: 44px;
    align-items: start;
  }

  .page-products .pb-hoops-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 44px;
  }

  .page-products .pb-get-card {
    padding: 38px 32px 40px;
  }
}

@media (min-width: 1200px) {
  .page-products .pb-field-book {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pb-field-tex {
    right: 28px;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pb-sort-state.is-on {
    transform: none;
  }
}
</main>