/* ===== 页面作用域：产品与功能 ===== */
.page-products {
  --pt-cut: 18px 6px 18px 6px;
  --pt-soft: rgba(46, 139, 255, 0.08);
}

.page-products .pt-sec {
  padding: 44px 0;
}

.page-products .pt-hero {
  position: relative;
  padding: 26px 0 6px;
  overflow: hidden;
}

.page-products .pt-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at 45% 45%, rgba(46, 139, 255, 0.32), rgba(46, 139, 255, 0) 68%);
  pointer-events: none;
}

.page-products .pt-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

.page-products .pt-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 8.2vw, 4rem);
  line-height: 1.07;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bone);
  max-width: 15em;
}

.page-products .pt-hero .lede {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--mist);
  font-size: 1.0625rem;
  line-height: 1.78;
}

.page-products .pt-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pt-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-products .pt-stat {
  position: relative;
  padding: 20px 18px 18px;
  border-radius: var(--pt-cut);
  background: linear-gradient(152deg, var(--night-2), var(--night));
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .pt-stat::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -34px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 227, 122, 0.22), rgba(91, 227, 122, 0) 70%);
}

.page-products .pt-stat .stat-num {
  display: block;
  font-size: clamp(1.85rem, 5.4vw, 2.5rem);
  line-height: 1;
}

.page-products .pt-stat__label {
  display: block;
  margin-top: 9px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-products .pt-stripe {
  margin-top: 32px;
  height: 5px;
  border-radius: 999px;
  background: repeating-linear-gradient(
    90deg,
    var(--electric) 0 44px,
    var(--lime) 44px 58px,
    transparent 58px 78px
  );
  opacity: 0.75;
}

/* --- 区块通用头部 --- */
.page-products .pt-board__head,
.page-products .pt-archive__head,
.page-products .pt-start__head,
.page-products .pt-ver__head {
  max-width: 48em;
}

.page-products .pt-board__head .section-title,
.page-products .pt-archive__head .section-title,
.page-products .pt-start__head .section-title,
.page-products .pt-ver__head .section-title {
  margin: 10px 0 0;
}

.page-products .pt-lead {
  margin: 14px 0 0;
  max-width: 40em;
  color: var(--mist);
  line-height: 1.82;
}

/* --- 赛事板块 --- */
.page-products .pt-board__figure {
  margin: 26px 0 0;
}

.page-products .pt-board__figure img,
.page-products .pt-archive__fig img,
.page-products .pt-viz__fig img,
.page-products .pt-app__phone img,
.page-products .pt-scenes__bg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pt-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-products .pt-dims {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-products .pt-dim {
  padding: 22px 20px 20px;
  border-radius: var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);
  background: var(--night);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--electric);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-products .pt-dim:nth-child(2) {
  border-left-color: var(--lime);
}

.page-products .pt-dim:nth-child(3) {
  border-left-color: var(--clay);
}

.page-products .pt-dim:nth-child(4) {
  border-left-color: var(--pulse);
}

.page-products .pt-dim:hover {
  transform: translateY(-4px);
  background: var(--night-2);
}

.page-products .pt-dim h3 {
  margin: 10px 0 0;
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-dim p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pt-scroll {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--night);
}

.page-products .pt-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-products .pt-table__cap {
  caption-side: top;
  padding: 18px 20px 6px;
  text-align: left;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pt-table th,
.page-products .pt-table td {
  padding: 15px 20px;
  text-align: left;
  border-top: 1px solid var(--line-dim);
  line-height: 1.62;
}

.page-products .pt-table thead th {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--electric);
  background: rgba(46, 139, 255, 0.06);
}

.page-products .pt-table tbody th {
  font-weight: 600;
  color: var(--bone);
  white-space: nowrap;
}

.page-products .pt-table tbody td {
  color: var(--mist);
}

.page-products .pt-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .pt-table tbody tr:hover {
  background: rgba(46, 139, 255, 0.12);
}

.page-products .pt-note {
  margin: 16px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

/* --- 客户端 --- */
.page-products .pt-app__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-products .pt-app__phone {
  margin: 0 auto;
  width: 100%;
  max-width: 320px;
  padding: 10px 10px 0;
  border-radius: 36px;
  background: linear-gradient(165deg, var(--night-2), var(--arena));
  border: 1px solid var(--line);
  box-shadow: 0 34px 70px -36px rgba(0, 0, 0, 0.92);
}

.page-products .pt-app__phone img {
  border-radius: 28px 28px 0 0;
}

.page-products .pt-app__cap {
  padding: 14px 8px 18px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
  text-align: center;
}

.page-products .pt-app__copy p {
  margin: 14px 0 0;
  color: var(--mist);
  line-height: 1.82;
}

.page-products .pt-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pt-list li {
  position: relative;
  padding-left: 24px;
  color: var(--mist);
  line-height: 1.72;
  font-size: 0.9375rem;
}

.page-products .pt-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-products .pt-app__copy .btn {
  margin-top: 26px;
}

/* --- 轮次回溯 --- */
.page-products .pt-rounds {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 34px;
}

.page-products .pt-rounds::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(rgba(46, 139, 255, 0.7), rgba(91, 227, 122, 0.35), rgba(46, 139, 255, 0));
}

.page-products .pt-round {
  position: relative;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line-dim);
}

.page-products .pt-round:last-child {
  border-bottom: 0;
}

.page-products .pt-round::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 24px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--night-2);
  border: 2px solid var(--electric);
}

.page-products .pt-round__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pulse);
}

.page-products .pt-round h3 {
  margin: 8px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-round p {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pt-archive__fig {
  margin: 30px 0 0;
}

/* --- 数据面板与可视化 --- */
.page-products .pt-viz__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-products .pt-viz__fig img {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
}

.page-products .pt-viz__cap {
  margin-top: 12px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pt-viz__cards .section-title {
  margin: 10px 0 6px;
}

.page-products .pt-view {
  margin-top: 20px;
  padding: 20px 20px 20px 22px;
  border-radius: var(--r-sm) var(--r-md) var(--r-sm) var(--r-md);
  background: var(--night);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--moss);
}

.page-products .pt-view:nth-of-type(2) {
  border-top-color: var(--electric);
}

.page-products .pt-view:nth-of-type(3) {
  border-top-color: var(--clay);
}

.page-products .pt-view h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-view p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.74;
  color: var(--mist);
}

/* --- 适用场景 --- */
.page-products .pt-scenes {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: var(--arena);
  border: 1px solid var(--line-soft);
}

.page-products .pt-scenes__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-products .pt-scenes__body {
  position: relative;
  padding: clamp(28px, 5vw, 52px);
}

.page-products .pt-scenes__body .section-title {
  margin: 10px 0 0;
}

.page-products .pt-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pt-scene {
  padding: 22px 20px;
  border-radius: 16px;
  background: rgba(14, 20, 32, 0.76);
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(2px);
}

.page-products .pt-scene h3 {
  margin: 12px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-scene p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.74;
  color: var(--mist);
}

/* --- 开始使用 --- */
.page-products .pt-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: pt-step;
}

.page-products .pt-step {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--r-md);
  background: linear-gradient(150deg, var(--night-2), var(--night));
  border: 1px solid var(--line-soft);
}

.page-products .pt-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pulse);
}

.page-products .pt-step h3 {
  margin: 12px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-step p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mist);
}

/* --- 版本迭代 --- */
.page-products .pt-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-products .pt-ver {
  padding: 22px 20px;
  border-radius: var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);
  background: var(--night);
  border: 1px solid var(--line-soft);
}

.page-products .pt-ver h3 {
  margin: 12px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pt-ver p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mist);
}

/* --- 结尾 --- */
.page-products .pt-outro__box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(26px, 4vw, 40px);
  border-radius: 24px;
  background: linear-gradient(128deg, rgba(46, 139, 255, 0.16), rgba(91, 227, 122, 0.08) 55%, transparent);
  border: 1px solid var(--line);
}

.page-products .pt-outro__copy p {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--mist);
  line-height: 1.8;
}

.page-products .pt-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* --- 响应式 --- */
@media (min-width: 640px) {
  .page-products .pt-app__cap {
    text-align: left;
    padding-left: 12px;
  }

  .page-products .pt-ver,
  .page-products .pt-scene {
    padding: 24px;
  }
}

@media (min-width: 720px) {
  .page-products .pt-sec {
    padding: 62px 0;
  }

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

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

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

  .page-products .pt-outro__box {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pt-sec {
    padding: 76px 0;
  }

  .page-products .pt-hero {
    padding: 44px 0 8px;
  }

  .page-products .pt-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 52px;
  }

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

  .page-products .pt-app__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
  }

  .page-products .pt-viz__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .pt-board__head,
  .page-products .pt-archive__head {
    max-width: 52em;
  }
}

@media (min-width: 1160px) {
  .page-products .pt-dims {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .pt-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}