/* ================= page-products ================= */

.page-products {
  --prod-step-shift: 2.4%;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: 12px 8px;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: -160px -18% -70px;
  z-index: -1;
  background-image:
    repeating-linear-gradient(to right, rgba(29, 58, 95, 0.6) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to bottom, rgba(29, 58, 95, 0.6) 0 1px, transparent 1px 76px);
  -webkit-mask-image: radial-gradient(ellipse 74% 66% at 74% 32%, #000 0%, transparent 76%);
  mask-image: radial-gradient(ellipse 74% 66% at 74% 32%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 86% 4%, rgba(34, 230, 211, 0.16) 0%, transparent 44%),
    radial-gradient(circle at 4% 96%, rgba(255, 93, 58, 0.14) 0%, transparent 42%);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-products .prod-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 7.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--foam);
}

.page-products .prod-brand {
  display: block;
  color: var(--coral);
}

.page-products .prod-hero__title-sub {
  display: block;
}

.page-products .prod-hero__lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--blueprint);
  list-style: none;
}

.page-products .prod-stat {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-products .prod-stat__num {
  order: -1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 22px);
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-products .prod-stat__label {
  margin: 6px 0 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--steel);
}

.page-products .prod-hero__fig {
  margin: 0;
}

.page-products .prod-hero__fig .fig__frame {
  aspect-ratio: 3 / 2;
  border: 2px solid var(--blueprint);
  box-shadow: 12px 14px 0 var(--hull);
}

/* ---------- 业务板块 ---------- */

.page-products .prod-boards {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-products .prod-board {
  position: relative;
  border: 2px solid var(--blueprint);
  background: linear-gradient(180deg, rgba(16, 31, 58, 0.96), rgba(10, 24, 48, 0.96));
  padding: 26px 20px 20px;
  box-shadow: 7px 8px 0 var(--hull);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.page-products .prod-board::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 46px;
  height: 3px;
  background: var(--coral);
}

.page-products .prod-board:nth-child(2)::before { background: var(--cyan); }
.page-products .prod-board:nth-child(3)::before { background: var(--lime); }
.page-products .prod-board:nth-child(4)::before { background: var(--cyan); }
.page-products .prod-board:nth-child(5)::before { background: var(--coral); }

.page-products .prod-board:hover {
  transform: translateY(-6px);
  border-color: var(--coral);
  box-shadow: 11px 13px 0 rgba(255, 93, 58, 0.22);
}

.page-products .prod-board__idx {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-products .prod-board__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--foam);
}

.page-products .prod-board__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .prod-board__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-board__keys li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border: 1px solid rgba(34, 230, 211, 0.4);
  padding: 3px 8px;
}

/* ---------- 移动端能力 ---------- */

.page-products .prod-mobile__grid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-products .prod-mobile__fig {
  margin: 0;
}

.page-products .prod-mobile__fig .fig__frame {
  aspect-ratio: 10 / 7;
  border: 2px solid var(--blueprint);
  box-shadow: 10px 12px 0 var(--hull);
}

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

.page-products .prod-cap {
  border: 1px solid var(--blueprint);
  border-left: 3px solid var(--cyan);
  background: rgba(16, 31, 58, 0.72);
  padding: 16px 18px;
  transition: border-left-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.page-products .prod-cap:hover {
  border-left-color: var(--coral);
  background: rgba(16, 31, 58, 0.96);
  transform: translateX(4px);
}

.page-products .prod-cap__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.page-products .prod-cap__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--foam);
}

.page-products .prod-cap__val {
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--lime);
  white-space: nowrap;
}

.page-products .prod-cap__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 步骤轨道 ---------- */

.page-products .prod-steps__fig {
  margin: 0 0 30px;
}

.page-products .prod-steps__fig .fig__frame {
  aspect-ratio: 14 / 5;
  border: 2px solid var(--blueprint);
  box-shadow: 10px 12px 0 var(--hull);
}

.page-products .prod-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-steps .steps__body p {
  margin: 0;
}

/* ---------- 版本日志 ---------- */

.page-products .prod-ver__grid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-products .prod-ver__fig {
  margin: 0;
}

.page-products .prod-ver__fig .fig__frame {
  aspect-ratio: 3 / 2;
  border: 2px solid var(--blueprint);
  box-shadow: 10px 12px 0 var(--hull);
}

.page-products .prod-log {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--blueprint);
}

.page-products .prod-log__item {
  position: relative;
  padding: 0 0 26px;
}

.page-products .prod-log__item:last-child {
  padding-bottom: 0;
}

.page-products .prod-log__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 7px;
  width: 10px;
  height: 10px;
  background: var(--deep);
  border: 2px solid var(--coral);
}

.page-products .prod-log__item:nth-child(2)::before { border-color: var(--cyan); }
.page-products .prod-log__item:nth-child(3)::before { border-color: var(--lime); }

.page-products .prod-log__ver {
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.page-products .prod-log__item .tag {
  margin-left: 10px;
  vertical-align: 3px;
}

.page-products .prod-log__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 适用场景 ---------- */

.page-products .prod-scene__grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-products .prod-scene {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--blueprint);
  background: var(--buoy);
  padding: 22px 18px;
  box-shadow: 7px 8px 0 var(--hull);
}

.page-products .prod-scene::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 96px;
  height: 96px;
  border: 2px solid rgba(34, 230, 211, 0.32);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .prod-scene__time {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .prod-scene__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  color: var(--foam);
}

.page-products .prod-scene__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .prod-scene__fig {
  margin: 24px 0 0;
}

.page-products .prod-scene__fig .fig__frame {
  aspect-ratio: 2 / 1;
  border: 2px solid var(--blueprint);
  box-shadow: 10px 12px 0 var(--hull);
}

.page-products .prod-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--blueprint);
  list-style: none;
}

.page-products .prod-figure {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-products .prod-figure__num {
  font-size: clamp(17px, 4.4vw, 22px);
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-products .prod-figure__label {
  margin-top: 5px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--steel);
}

/* ---------- 下一步 ---------- */

.page-products .prod-next__panel {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--coral);
  background:
    linear-gradient(135deg, rgba(255, 93, 58, 0.12), transparent 58%),
    var(--buoy);
  padding: 30px 22px;
  box-shadow: 12px 14px 0 var(--hull);
}

.page-products .prod-next__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(34, 230, 211, 0.26);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-products .prod-next__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 5.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.page-products .prod-next__text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-products .prod-next__note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-products .prod-next__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .prod-boards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .prod-board:nth-child(even) {
    margin-top: 40px;
  }

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }

  .page-products .prod-boards {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px;
    margin-top: 36px;
  }

  .page-products .prod-board {
    grid-column: span 3;
  }

  .page-products .prod-board:nth-child(even) {
    margin-top: 56px;
  }

  .page-products .prod-board:nth-child(5) {
    grid-column: 2 / span 4;
    margin-top: 8px;
  }

  .page-products .prod-mobile__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .prod-ver__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .prod-scene__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .prod-scene:nth-child(2) {
    transform: translateY(-14px);
  }

  .page-products .prod-figures {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .prod-next__panel {
    padding: 42px 40px;
  }

  /* 斜向步骤轨道：逐级右移，形成下潜感 */
  .page-products .prod-steps .steps__item:nth-child(2) { margin-left: var(--prod-step-shift); }
  .page-products .prod-steps .steps__item:nth-child(3) { margin-left: calc(var(--prod-step-shift) * 2); }
  .page-products .prod-steps .steps__item:nth-child(4) { margin-left: calc(var(--prod-step-shift) * 3); }
  .page-products .prod-steps .steps__item:nth-child(5) { margin-left: calc(var(--prod-step-shift) * 4); }
  .page-products .prod-steps .steps__item:nth-child(6) { margin-left: calc(var(--prod-step-shift) * 5); }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-board,
  .page-products .prod-cap,
  .page-products .prod-scene,
  .page-products .prod-stat {
    transition: none;
    transform: none;
  }

  .page-products .prod-board:hover,
  .page-products .prod-cap:hover {
    transform: none;
  }

  .page-products .prod-scene:nth-child(2) {
    transform: none;
  }
}