.page-products {
  --pp-cut: 20px;
  --pp-line: linear-gradient(90deg, var(--signal), var(--amber));
  display: block;
}

/* 面包屑 */
.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  padding: 1rem 0 .5rem;
  font-size: .875rem;
  color: var(--ink-soft);
}
.page-products .crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}
.page-products .crumbs [aria-current="page"] {
  color: var(--ink);
}

/* 首屏 */
.page-products .hub-hero {
  position: relative;
  margin: .5rem 0 clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.75rem, 5vw, 3.25rem) clamp(1.25rem, 4vw, 3rem) clamp(1.5rem, 4vw, 2.5rem);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(43, 232, 165, .16), transparent 58%),
    linear-gradient(155deg, var(--field) 0%, var(--night) 64%);
  clip-path: polygon(0 0,
      calc(100% - var(--pp-cut)) 0,
      100% var(--pp-cut),
      100% 100%,
      var(--pp-cut) 100%,
      0 calc(100% - var(--pp-cut)));
}
.page-products .hub-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(240px, 45%);
  height: 3px;
  background: var(--pp-line);
}
.page-products .hub-kicker {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .18em;
  color: var(--signal);
}
.page-products .hub-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 18ch;
}
.page-products .hub-lead {
  margin: 0 0 1.75rem;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-products .hub-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.page-products .hub-stats > div {
  background: rgba(20, 58, 46, .78);
  padding: .875rem 1rem;
}
.page-products .hub-stats dt {
  margin: 0 0 .35rem;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--ink-soft);
}
.page-products .hub-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.page-products .hub-stats dd .num {
  color: var(--signal);
}

/* 目录 */
.page-products .hub-index {
  margin: 0 0 clamp(2.5rem, 6vw, 4rem);
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}
.page-products .hub-index-title {
  margin: 0 0 .875rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--ink-soft);
}
.page-products .hub-index-list {
  display: grid;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .hub-index-list a {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .75rem 1rem;
  color: var(--ink);
  text-decoration: none;
  background: rgba(15, 42, 34, .82);
  border-left: 3px solid var(--signal-dim);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.page-products .hub-index-list a:hover,
.page-products .hub-index-list a:focus-visible {
  background: var(--stand);
  border-left-color: var(--amber);
  transform: translateX(3px);
}
.page-products .hub-index-list .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--signal);
}

/* 章节 */
.page-products .board {
  position: relative;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid var(--rule);
}
.page-products .board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(60px, 18vw, 150px);
  height: 3px;
  background: var(--pp-line);
}
.page-products .board-head {
  display: flex;
  gap: clamp(.75rem, 3vw, 1.5rem);
  align-items: baseline;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.page-products .board-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--signal-dim);
}
.page-products .board-headings h2 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .board-sub {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .board-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.page-products .board-flows {
  min-width: 0;
}
.page-products .flow + .flow {
  margin-top: 1.5rem;
}
.page-products .flow h3 {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--signal);
}
.page-products .flow h3::before {
  content: "";
  flex: none;
  width: 10px;
  height: 2px;
  background: var(--amber);
}
.page-products .flow p {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-products .flow p a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-dim);
}
.page-products .flow p a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-products .flow-list {
  display: grid;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .flow-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-products .flow-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .42rem;
  height: .42rem;
  background: var(--signal);
  transform: rotate(45deg);
}

/* 胶囊筛选项 */
.page-products .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.page-products .pill {
  padding: .35rem .8rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--ink-soft);
  background: rgba(20, 58, 46, .55);
  border: 1px solid var(--rule);
  border-radius: 999px;
}
.page-products .pill--on {
  color: var(--signal);
  background: rgba(43, 232, 165, .14);
  border-color: var(--signal);
}

/* 图 */
.page-products .pp-fig {
  margin: 0;
}
.page-products .pp-fig-frame {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--field);
  clip-path: polygon(0 var(--pp-cut),
      var(--pp-cut) 0,
      100% 0,
      100% calc(100% - var(--pp-cut)),
      calc(100% - var(--pp-cut)) 100%,
      0 100%);
}
.page-products .pp-fig-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(10, 27, 22, .82), transparent);
  pointer-events: none;
}
.page-products .pp-fig-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-products .pp-fig--wide .pp-fig-frame {
  aspect-ratio: 12 / 5;
}
.page-products .pp-cap {
  margin-top: .65rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 迷你示例条 */
.page-products .mini {
  margin-top: 1rem;
  padding: .85rem 1rem;
  background: rgba(15, 42, 34, .88);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-products .mini-row {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr) 2.5rem 2.5rem;
  align-items: center;
  gap: .6rem;
  padding: .32rem 0;
}
.page-products .mini-row + .mini-row {
  border-top: 1px dashed var(--rule);
}
.page-products .mini-rank {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-soft);
}
.page-products .mini-track {
  position: relative;
  height: 6px;
  overflow: hidden;
  background: rgba(40, 80, 63, .55);
}
.page-products .mini-track i {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  display: block;
  background: var(--signal-dim);
}
.page-products .mini--board .mini-row:nth-child(1) .mini-track i {
  width: 94%;
  background: var(--signal);
}
.page-products .mini--board .mini-row:nth-child(2) .mini-track i {
  width: 88%;
  background: var(--signal);
}
.page-products .mini--board .mini-row:nth-child(3) .mini-track i {
  width: 76%;
}
.page-products .mini--board .mini-row:nth-child(4) .mini-track i {
  width: 62%;
}
.page-products .mini-val {
  font-family: var(--font-mono);
  font-size: .85rem;
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.page-products .mini-up,
.page-products .mini-down {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  text-align: right;
}
.page-products .mini-up {
  color: var(--amber);
}
.page-products .mini-down {
  color: var(--ink-soft);
}
.page-products .mini-cap {
  margin: .6rem 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 时间线示例 */
.page-products .mini--timeline {
  display: grid;
  gap: 0;
}
.page-products .tl-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .38rem 0;
}
.page-products .tl-item + .tl-item {
  border-top: 1px dashed var(--rule);
}
.page-products .tl-min {
  flex: none;
  width: 2.5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--signal);
}
.page-products .tl-dot {
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--amber);
  transform: rotate(45deg);
}
.page-products .tl-dot--dim {
  background: var(--signal-dim);
}
.page-products .tl-txt {
  font-size: .875rem;
  color: var(--ink-soft);
}

/* 跟队标签组 */
.page-products .follow-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}

/* 索引备注 */
.page-products .index-note {
  margin: 1rem 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-products .index-note a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-dim);
}
.page-products .index-note a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 更新节奏 */
.page-products .rhythm {
  background: rgba(15, 42, 34, .72);
  border: 1px solid var(--rule);
}
.page-products .rhythm-row {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--rule);
}
.page-products .rhythm-row:last-child {
  border-bottom: 0;
}
.page-products .rhythm-name {
  padding: .875rem 1rem .5rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  background: rgba(20, 58, 46, .6);
  border-left: 3px solid var(--signal);
}
.page-products .rhythm-cell {
  padding: .75rem 1rem;
  border-top: 1px dashed var(--rule);
}
.page-products .rhythm-cell p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-products .rhythm-phase {
  display: block;
  margin-bottom: .3rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--amber);
}
.page-products .rhythm-row--head {
  display: none;
}

/* 密度条 */
.page-products .density {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  align-items: end;
  gap: 4px;
  height: 56px;
  margin-top: 1.5rem;
  padding: 0 .25rem;
  border-bottom: 1px solid var(--rule);
}
.page-products .density span {
  display: block;
  min-height: 4px;
  background: linear-gradient(to top, var(--signal-dim), var(--signal));
}
.page-products .density span:nth-child(1) { height: 18%; }
.page-products .density span:nth-child(2) { height: 42%; }
.page-products .density span:nth-child(3) { height: 26%; }
.page-products .density span:nth-child(4) { height: 68%; }
.page-products .density span:nth-child(5) { height: 34%; }
.page-products .density span:nth-child(6) { height: 88%; background: linear-gradient(to top, var(--amber-dim), var(--amber)); }
.page-products .density span:nth-child(7) { height: 54%; }
.page-products .density span:nth-child(8) { height: 22%; }
.page-products .density span:nth-child(9) { height: 46%; }
.page-products .density span:nth-child(10) { height: 74%; background: linear-gradient(to top, var(--amber-dim), var(--amber)); }
.page-products .density span:nth-child(11) { height: 30%; }
.page-products .density span:nth-child(12) { height: 58%; }
.page-products .density span:nth-child(13) { height: 40%; }
.page-products .density span:nth-child(14) { height: 16%; }

/* 收尾 */
.page-products .pick {
  margin: clamp(2rem, 5vw, 3rem) 0 1rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: linear-gradient(140deg, var(--field), var(--night) 78%);
  clip-path: polygon(var(--pp-cut) 0,
      100% 0,
      100% calc(100% - var(--pp-cut)),
      calc(100% - var(--pp-cut)) 100%,
      0 100%,
      0 var(--pp-cut));
}
.page-products .pick h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pick-list {
  display: grid;
  gap: .5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}
.page-products .pick-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--rule);
}
.page-products .pick-goal {
  font-size: .9375rem;
  color: var(--ink-soft);
}
.page-products .pick-list a {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-dim);
  white-space: nowrap;
}
.page-products .pick-list a:hover,
.page-products .pick-list a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-products .pick-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* 桌面布局 */
@media (min-width: 760px) {
  .page-products .rhythm-row {
    grid-template-columns: 1.1fr 1fr 1fr 1fr;
  }
  .page-products .rhythm-row--head {
    display: grid;
    background: rgba(20, 58, 46, .85);
  }
  .page-products .rhythm-row--head span {
    padding: .7rem 1rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    letter-spacing: .12em;
    color: var(--signal);
  }
  .page-products .rhythm-name {
    padding: .875rem 1rem;
    border-left: 3px solid var(--signal);
  }
  .page-products .rhythm-cell {
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
  .page-products .rhythm-phase {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-products .board-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .board-grid--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }
  .page-products .board-grid--flip .board-flows {
    order: 2;
  }
  .page-products .board-grid--flip .board-media {
    order: 1;
  }
  .page-products .board-media {
    position: sticky;
    top: 6rem;
  }
  .page-products .hub-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .hub-index-list a,
  .page-products .flow p a,
  .page-products .pick-list a {
    transition: none;
  }
  .page-products .hub-index-list a:hover,
  .page-products .hub-index-list a:focus-visible {
    transform: none;
  }
}
</main>