.page-products {
  --pd-cut: 22px;
  --pd-tilt-a: -1.3deg;
  --pd-tilt-b: 1deg;
  --pd-glow: 0 0 0 1px var(--sn-cyan-line), 0 18px 44px rgba(0, 0, 0, 0.55);
  --pd-panel: rgba(11, 21, 38, 0.86);
  position: relative;
}

/* ============ 首屏 ============ */
.page-products .pd-hero {
  position: relative;
  overflow: clip;
  padding-top: clamp(24px, 5vw, 56px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 18%, rgba(43, 232, 192, 0.14), transparent 58%),
    radial-gradient(circle at 10% 88%, rgba(255, 90, 43, 0.1), transparent 52%);
}

.page-products .pd-hero > .sn-container {
  position: relative;
  z-index: 1;
}

.page-products .pd-crumb {
  margin-bottom: 22px;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .pd-crumb a {
  color: var(--sn-cold);
  text-decoration: none;
}

.page-products .pd-crumb a:hover {
  color: var(--sn-cyan);
}

.page-products .pd-hero__kicker {
  margin: 0 0 10px;
}

.page-products .pd-hero__title {
  margin: 0;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(36px, 8.4vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.015em;
  color: var(--sn-mist);
  text-wrap: balance;
}

.page-products .pd-hero__lede {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--sn-text-soft);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* ============ 骨架网格 ============ */
.page-products .pd-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

@media (min-width: 1024px) {
  .page-products .pd-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ============ 索引 ============ */
.page-products .pd-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 10px;
  margin: 0;
  scrollbar-width: none;
  position: static;
}

.page-products .pd-index::-webkit-scrollbar {
  display: none;
}

.page-products .pd-index .sn-index__title {
  display: none;
}

.page-products .pd-index .sn-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  color: var(--sn-cold);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .pd-index__num {
  font-size: 11px;
  color: var(--sn-cyan);
  opacity: 0.7;
}

@media (min-width: 1024px) {
  .page-products .pd-index {
    position: sticky;
    top: calc(var(--sn-status-h) + 24px);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pd-index .sn-index__title {
    display: block;
    margin: 0 0 12px;
    font-family: var(--sn-font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--sn-cold);
    text-transform: uppercase;
  }

  .page-products .pd-index .sn-index__link {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--sn-line);
    border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
    padding: 8px 12px 8px 14px;
    background: transparent;
    font-size: 14px;
  }

  .page-products .pd-index .sn-index__link:hover {
    border-left-color: var(--sn-cyan-line);
    background: var(--sn-cyan-veil);
    color: var(--sn-mist);
  }

  .page-products .pd-index .sn-index__link[aria-current="true"] {
    border-left-color: var(--sn-cyan);
    background: var(--sn-cyan-veil);
    color: var(--sn-cyan);
  }
}

.page-products .pd-index__link:focus-visible {
  outline: 2px solid var(--sn-cyan);
  outline-offset: 2px;
}

/* ============ 内容块 ============ */
.page-products .pd-flow {
  min-width: 0;
}

.page-products .pd-block {
  position: relative;
  padding: clamp(30px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--sn-line);
}

.page-products .pd-block:first-child {
  border-top: 0;
  padding-top: clamp(8px, 2vw, 18px);
}

.page-products .pd-block__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.page-products .pd-block__headText {
  min-width: 0;
}

.page-products .pd-block__num {
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: clamp(42px, 7vw, 72px);
  line-height: 0.82;
  color: transparent;
  -webkit-text-stroke: 1px var(--sn-line-strong);
  letter-spacing: -0.02em;
}

.page-products .sn-section__title {
  margin: 6px 0 0;
  font-size: clamp(23px, 3.3vw, 36px);
  line-height: 1.2;
  color: var(--sn-mist);
  text-wrap: balance;
}

.page-products .pd-text {
  max-width: 62ch;
  margin: 0 0 18px;
  color: var(--sn-text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.page-products .pd-text--tight {
  margin-bottom: 0;
}

.page-products .pd-text a {
  color: var(--sn-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--sn-cyan-line);
}

.page-products .pd-text a:hover {
  border-bottom-color: var(--sn-cyan);
}

/* ============ 图片容器 ============ */
.page-products .pd-figure {
  position: relative;
  margin: 24px 0 28px;
  border: 2px solid var(--sn-line);
  border-radius: var(--sn-r-lg);
  overflow: hidden;
  background: var(--sn-midnight);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.55);
  transition: transform 0.45s ease, border-color 0.45s ease, box-shadow 0.45s ease;
  transform: rotate(var(--pd-tilt-b));
}

.page-products .pd-figure--tilt-l {
  transform: rotate(var(--pd-tilt-a));
}

.page-products .pd-figure:hover {
  transform: rotate(0deg);
  border-color: var(--sn-cyan-line);
  box-shadow: var(--pd-glow);
}

.page-products .pd-figure .sn-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-figure .sn-media__caption {
  padding: 12px 18px 16px;
  margin: 0;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sn-cold);
  border-top: 1px solid var(--sn-line);
}

/* ============ 要点列表 ============ */
.page-products .pd-points {
  margin: 0;
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pd-points li {
  position: relative;
  padding: 12px 16px 12px 30px;
  background: var(--pd-panel);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  font-size: 15px;
  line-height: 1.75;
  color: var(--sn-text-soft);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-products .pd-points li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  width: 8px;
  height: 2px;
  background: var(--sn-cyan);
  box-shadow: 0 0 10px rgba(43, 232, 192, 0.7);
}

.page-products .pd-points li:hover {
  border-color: var(--sn-cyan-line);
  transform: translateX(3px);
}

.page-products .pd-points strong {
  color: var(--sn-cyan);
  font-weight: 600;
}

/* ============ 字段列表 ============ */
.page-products .pd-fields {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pd-fields li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  background: linear-gradient(120deg, var(--sn-midnight), rgba(28, 37, 54, 0.55));
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  font-size: 15px;
  line-height: 1.72;
  color: var(--sn-text-soft);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .pd-fields li:hover {
  border-color: var(--sn-flame-line);
  box-shadow: inset 3px 0 0 var(--sn-flame);
}

@media (min-width: 640px) {
  .page-products .pd-fields li {
    grid-template-columns: 7.2em minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

.page-products .pd-fields__key {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sn-cyan);
  text-transform: uppercase;
}

/* ============ Tabs ============ */
.page-products .pd-tabs {
  margin: 8px 0 22px;
  padding: 16px 16px 20px;
  background: var(--pd-panel);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-lg);
}

.page-products .pd-tabnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sn-line);
}

.page-products .pd-tabnav .sn-tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--sn-cold);
  font-family: var(--sn-font-body);
  font-size: 14px;
  line-height: 1;
  padding: 9px 16px;
  border-radius: var(--sn-r-pill);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-products .pd-tabnav .sn-tab:hover {
  color: var(--sn-mist);
  border-color: var(--sn-line-strong);
}

.page-products .pd-tabnav .sn-tab[aria-selected="true"],
.page-products .pd-tabnav .sn-tab.is-active {
  color: var(--sn-black);
  background: var(--sn-cyan);
  border-color: var(--sn-cyan);
  font-weight: 700;
}

.page-products .pd-tabnav .sn-tab:focus-visible {
  outline: 2px solid var(--sn-cyan);
  outline-offset: 3px;
}

/* ============ 折叠 ============ */
.page-products .pd-fold {
  margin-top: 6px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(5, 7, 12, 0.6);
  overflow: hidden;
}

.page-products .pd-fold .sn-fold__summary {
  padding: 14px 18px;
  font-size: 15px;
  color: var(--sn-gold);
  cursor: pointer;
}

.page-products .pd-fold .sn-fold__body {
  padding: 0 18px 18px;
}

.page-products .pd-fold[open] {
  border-color: var(--sn-gold-veil);
}

/* ============ 赛程推进条 ============ */
.page-products .pd-rounds {
  margin: 22px 0 26px;
  padding: 16px 18px 20px;
  background:
    linear-gradient(90deg, var(--sn-cyan-veil), transparent 72%),
    var(--sn-black);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
}

.page-products .pd-rounds__label {
  display: block;
  margin-bottom: 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sn-cold);
  text-transform: uppercase;
}

.page-products .pd-rounds__track {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.page-products .pd-rounds__track::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--sn-cyan-line) 0 6px, transparent 6px 12px);
}

.page-products .pd-rounds__dot {
  position: relative;
  z-index: 1;
  padding: 6px 12px;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sn-text-soft);
  background: var(--sn-black);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  white-space: nowrap;
}

.page-products .pd-rounds__dot--hot {
  color: var(--sn-flame);
  border-color: var(--sn-flame-line);
  background: var(--sn-flame-veil);
}

/* ============ 回放时间轴 ============ */
.page-products .pd-timeline {
  position: relative;
  height: 62px;
  margin: 22px 0 8px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  background: linear-gradient(90deg, rgba(43, 232, 192, 0.08), rgba(255, 90, 43, 0.08));
  overflow: hidden;
}

.page-products .pd-timeline__line {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 50%;
  height: 3px;
  transform: translateY(-50%);
  border-radius: var(--sn-r-pill);
  background: linear-gradient(90deg, var(--sn-cyan), var(--sn-flame));
  opacity: 0.45;
}

.page-products .pd-timeline__pin {
  position: absolute;
  top: 50%;
  width: 11px;
  height: 11px;
  margin: -5.5px 0 0 -5.5px;
  border-radius: 50%;
  background: var(--sn-flame);
  box-shadow: 0 0 14px rgba(255, 90, 43, 0.85);
}

.page-products .pd-timeline__pin:nth-child(2) { left: 14%; }
.page-products .pd-timeline__pin:nth-child(3) { left: 31%; }
.page-products .pd-timeline__pin:nth-child(4) { left: 45%; }
.page-products .pd-timeline__pin:nth-child(5) { left: 63%; }
.page-products .pd-timeline__pin:nth-child(6) { left: 79%; }
.page-products .pd-timeline__pin:nth-child(7) { left: 92%; }

/* ============ 数据卡片 ============ */
.page-products .pd-charts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 20px 0 26px;
}

@media (min-width: 760px) {
  .page-products .pd-charts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pd-chart {
  position: relative;
  padding: 20px 18px 22px;
  background: linear-gradient(165deg, var(--sn-steel), var(--sn-midnight) 62%);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
  box-shadow: 0 0 0 1px var(--sn-line), 0 14px 30px rgba(0, 0, 0, 0.45);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-products .pd-chart:nth-child(1) { transform: rotate(-0.8deg); }
.page-products .pd-chart:nth-child(2) { transform: translateY(8px); }
.page-products .pd-chart:nth-child(3) { transform: rotate(0.9deg); }

.page-products .pd-chart:hover {
  transform: translateY(-4px) rotate(0deg);
  box-shadow: 0 0 0 1px var(--sn-flame-line), 0 20px 40px rgba(0, 0, 0, 0.6);
}

.page-products .pd-chart--hot {
  background: linear-gradient(165deg, rgba(43, 232, 192, 0.16), var(--sn-midnight) 60%);
}

.page-products .pd-chart__tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--sn-cyan);
}

.page-products .pd-chart--hot .pd-chart__tag {
  color: var(--sn-gold);
}

.page-products .pd-chart__title {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.35;
  color: var(--sn-mist);
}

.page-products .pd-chart__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}

/* ============ 人群路径 ============ */
.page-products .pd-paths {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--sn-line);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-lg);
  overflow: hidden;
}

.page-products .pd-path {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  background: var(--sn-black);
  transition: background 0.28s ease, box-shadow 0.28s ease;
}

.page-products .pd-path:hover {
  background: linear-gradient(90deg, var(--sn-cyan-veil), var(--sn-black) 70%);
  box-shadow: inset 3px 0 0 var(--sn-cyan);
}

.page-products .pd-path__idx {
  font-size: 13px;
  color: var(--sn-gold);
  padding-top: 4px;
}

.page-products .pd-path__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--sn-mist);
}

.page-products .pd-path__body {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sn-text-soft);
}

/* ============ 版本对比双栏 ============ */
.page-products .pd-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 22px 0 20px;
}

@media (min-width: 720px) {
  .page-products .pd-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pd-split__pane {
  padding: 18px 18px 20px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: var(--pd-panel);
}

.page-products .pd-split__pane--old {
  border-style: dashed;
}

.page-products .pd-split__pane--new {
  border-color: var(--sn-cyan-line);
  background: linear-gradient(160deg, var(--sn-cyan-veil), var(--sn-midnight) 72%);
}

.page-products .pd-split__tag {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sn-cold);
  text-transform: uppercase;
}

.page-products .pd-split__pane--new .pd-split__tag {
  color: var(--sn-cyan);
}

.page-products .pd-split__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pd-split__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sn-text-soft);
}

.page-products .pd-split__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--sn-cold);
}

.page-products .pd-split__pane--new .pd-split__list li::before {
  background: var(--sn-cyan);
  box-shadow: 0 0 8px rgba(43, 232, 192, 0.6);
}

/* ============ 结尾行动区 ============ */
.page-products .pd-cta {
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(28px, 5vw, 52px) clamp(20px, 4vw, 44px);
  border: 1px solid var(--sn-cyan-line);
  border-radius: var(--sn-r-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 90, 43, 0.14), transparent 56%),
    linear-gradient(150deg, rgba(43, 232, 192, 0.1), var(--sn-midnight) 62%);
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--sn-mist);
}

.page-products .pd-cta__body {
  margin: 0 0 24px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 639px) {
  .page-products .pd-figure {
    border-radius: var(--sn-r-md);
    transform: none;
  }

  .page-products .pd-chart,
  .page-products .pd-chart:nth-child(1),
  .page-products .pd-chart:nth-child(2),
  .page-products .pd-chart:nth-child(3) {
    transform: none;
  }

  .page-products .pd-rounds__track {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-products .pd-rounds__track::before {
    display: none;
  }

  .page-products .pd-block__num {
    font-size: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-figure,
  .page-products .pd-chart,
  .page-products .pd-points li,
  .page-products .pd-path {
    transition: none;
    transform: none;
  }
}
</main>