.page-products {
  --pp-line: rgba(182, 255, 61, 0.24);
  --pp-line-soft: rgba(255, 255, 255, 0.12);
  --pp-card: #123A2E;
  --pp-r: 22px;
  --pp-r-s: 14px;
  background: linear-gradient(180deg, #0B2A21 0%, #0B2A21 30%, #071A14 100%);
  color: var(--white);
  overflow-x: clip;
}

.page-products .pp-sec {
  padding: 52px 0;
}

.page-products .pp-sec--tight {
  padding: 32px 0;
}

.page-products .pp-sec__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--steel-soft);
}

.page-products .pp-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

/* ---------- 首屏框景 ---------- */

.page-products .pp-hero {
  padding: 22px 0 46px;
}

.page-products .pp-hero__frame {
  position: relative;
  margin-top: 16px;
  padding: 30px 20px 28px;
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-r);
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(182, 255, 61, 0.14), transparent 58%),
    linear-gradient(158deg, #0B2A21 0%, #071A14 82%);
  overflow: hidden;
}

.page-products .pp-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(182, 255, 61, 0.16) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.5;
  pointer-events: none;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--lime);
  pointer-events: none;
}

.page-products .pp-corner--tl {
  top: 10px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: 6px;
}

.page-products .pp-corner--tr {
  top: 10px;
  right: 10px;
  border-left: 0;
  border-bottom: 0;
  border-top-right-radius: 6px;
}

.page-products .pp-corner--bl {
  bottom: 10px;
  left: 10px;
  border-right: 0;
  border-top: 0;
  border-bottom-left-radius: 6px;
}

.page-products .pp-corner--br {
  bottom: 10px;
  right: 10px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: 6px;
}

.page-products .pp-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-products .pp-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: #CFE0D8;
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px dashed var(--pp-line-soft);
}

.page-products .pp-unit {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel-soft);
}

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

/* ---------- 步骤区 ---------- */

.page-products .pp-split {
  display: grid;
  gap: 22px;
}

.page-products .pp-steps__rail {
  display: none;
}

.page-products .pp-steps__rail-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--steel-soft);
}

.page-products .pp-steps__ticks {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid rgba(255, 255, 255, 0.12);
}

.page-products .pp-steps__ticks li {
  padding: 0 0 30px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .pp-steps__ticks li.is-on {
  color: var(--lime);
  border-left: 3px solid var(--lime);
  margin-left: -2.5px;
}

.page-products .pp-steps__rail-note {
  margin: 22px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--steel-soft);
}

.page-products .pp-steps__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 18px;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--pp-r-s);
  background: linear-gradient(150deg, rgba(18, 58, 46, 0.9), rgba(7, 26, 20, 0.85));
}

.page-products .pp-step__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-products .pp-step h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
}

.page-products .pp-step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: #C6D8D0;
}

/* ---------- 图片容器 ---------- */

.page-products .pp-shot {
  margin: 24px 0 0;
}

.page-products .pp-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--pp-r-s);
  border: 1px solid var(--pp-line-soft);
  object-fit: cover;
  background: #0B2A21;
}

.page-products .pp-shot__cap,
.page-products .pp-shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel-soft);
}

/* ---------- 视图切换 ---------- */

.page-products .pp-versus {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .pp-view {
  padding: 22px 20px;
  border-radius: var(--pp-r-s);
  border: 1px solid var(--pp-line-soft);
  background: var(--pp-card);
}

.page-products .pp-view--cn {
  background: linear-gradient(155deg, #123A2E 0%, #0B2A21 100%);
}

.page-products .pp-view--fan {
  background: linear-gradient(155deg, #0B2A21 0%, #071A14 100%);
  border-color: rgba(255, 77, 28, 0.34);
}

.page-products .pp-view__head h3 {
  margin: 12px 0 0;
  font-size: 20px;
  line-height: 1.35;
}

.page-products .pp-view__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-view__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: #C6D8D0;
}

.page-products .pp-view__list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
}

.page-products .pp-view--fan .pp-view__list li::before {
  background: var(--flare);
}

.page-products .pp-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--flare);
  font-size: 15px;
  line-height: 1.8;
  color: #C6D8D0;
}

/* ---------- 分布图演示板 ---------- */

.page-products .pp-sec--chart {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(182, 255, 61, 0.08), transparent 58%),
    #071A14;
}

.page-products .pp-board {
  margin-top: 26px;
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-r);
  background: linear-gradient(170deg, #0B2A21 0%, #071A14 100%);
  overflow: hidden;
}

.page-products .pp-board__head {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-board__dims,
.page-products .pp-board__shapes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-board__dims li,
.page-products .pp-board__shapes li {
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  border-radius: 999px;
  border: 1px solid var(--pp-line-soft);
  color: var(--steel-soft);
}

.page-products .pp-board__dims li.is-on {
  background: var(--lime);
  border-color: var(--lime);
  color: #071A14;
  font-weight: 700;
}

.page-products .pp-board__shapes li.is-on {
  background: rgba(255, 77, 28, 0.16);
  border-color: var(--flare);
  color: var(--flare-soft);
  font-weight: 700;
}

.page-products .pp-board__grid {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.page-products .pp-heatmap,
.page-products .pp-bars {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-board__side {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 14px;
  border-radius: var(--pp-r-s);
  background: rgba(18, 58, 46, 0.6);
}

.page-products .pp-legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--steel-soft);
}

.page-products .pp-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .pp-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: none;
}

.page-products .pp-legend__dot--lime {
  background: var(--lime);
}

.page-products .pp-legend__dot--flare {
  background: var(--flare);
}

.page-products .pp-legend__dot--soft {
  background: var(--flare-soft);
}

.page-products .pp-board__foot {
  padding: 14px 18px 18px;
  border-top: 1px dashed var(--pp-line-soft);
}

.page-products .pp-board__foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #C6D8D0;
}

.page-products .pp-dims {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pp-dim {
  padding: 18px;
  border-radius: var(--pp-r-s);
  border: 1px solid var(--pp-line-soft);
  background: rgba(18, 58, 46, 0.55);
}

.page-products .pp-dim h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--lime);
}

.page-products .pp-dim p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #C6D8D0;
}

.page-products .pp-export {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 18px;
  border-radius: var(--pp-r-s);
  border: 1px solid rgba(255, 77, 28, 0.32);
  background: linear-gradient(120deg, rgba(255, 77, 28, 0.14), rgba(11, 42, 33, 0.9) 70%);
}

.page-products .pp-export__text {
  margin: 0;
  flex: 1 1 240px;
  font-size: 15px;
  line-height: 1.75;
  color: #F0E3DC;
}

/* ---------- 订阅流程 ---------- */

.page-products .pp-sub {
  display: grid;
  gap: 22px;
}

.page-products .pp-flow {
  position: relative;
  margin: 26px 0 0;
  padding: 0 0 0 24px;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .pp-flow::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 2px;
  background-image: linear-gradient(to bottom, var(--lime) 0 6px, transparent 6px 14px);
  background-size: 2px 14px;
  background-repeat: repeat-y;
  opacity: 0.75;
}

.page-products .pp-flow__node {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-products .pp-flow__idx {
  position: absolute;
  top: 2px;
  left: -24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--lime);
  font-size: 0;
}

.page-products .pp-flow__node h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pp-flow__node p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #C6D8D0;
}

/* ---------- 会员档位 ---------- */

.page-products .pp-sec--light {
  background: var(--panel);
  color: var(--ink-800);
}

.page-products .pp-sec--light .eyebrow {
  color: #3F6357;
}

.page-products .pp-sec--light .section-title h2 {
  color: var(--ink-800);
}

.page-products .pp-sec--light .pp-sec__lead {
  color: #3F5A52;
}

.page-products .pp-shot--member {
  margin-top: 22px;
}

.page-products .pp-tiers {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-products .pp-tier {
  padding: 22px 20px;
  border-radius: var(--pp-r-s);
  border: 1px solid rgba(11, 42, 33, 0.14);
  background: var(--white);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-products .pp-tier:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(11, 42, 33, 0.14);
}

.page-products .pp-tier.is-feature {
  border-color: var(--lime-deep);
  box-shadow: 0 0 0 2px rgba(124, 209, 10, 0.34);
}

.page-products .pp-tier__head h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ink-800);
}

.page-products .pp-tier__sub {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: #547064;
}

.page-products .pp-tier.is-feature .pp-tier__sub {
  color: #4C6B2A;
  font-weight: 600;
}

.page-products .pp-tier__feats {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-products .pp-tier__feats li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-products .pp-tier__feats li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-800);
}

.page-products .pp-tier.is-feature .pp-tier__feats li::before {
  background: var(--lime-deep);
}

.page-products .pp-tier__for {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 42, 33, 0.16);
  font-size: 14px;
  line-height: 1.7;
  color: #547064;
}

.page-products .pp-note--light {
  margin-top: 22px;
  border-left-color: var(--lime-deep);
  color: #3F5A52;
}

/* ---------- 设备与条件 ---------- */

.page-products .pp-facts {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--pp-r-s);
  overflow: hidden;
  background: var(--pp-line-soft);
}

.page-products .pp-fact {
  padding: 18px;
  background: #0E3128;
}

.page-products .pp-fact h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--lime);
}

.page-products .pp-fact p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: #C6D8D0;
}

.page-products .pp-cta {
  margin-top: 26px;
  padding: 22px 20px;
  border-radius: var(--pp-r-s);
  border: 1px solid var(--pp-line);
  background: linear-gradient(140deg, rgba(182, 255, 61, 0.12), rgba(7, 26, 20, 0.9) 62%);
}

.page-products .pp-cta__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: #DDECE5;
}

.page-products .pp-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-products .pp-tail {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel-soft);
}

.page-products .pp-tail a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pp-hero__frame {
    padding: 38px 32px 34px;
  }

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

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

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

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

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

@media (min-width: 900px) {
  .page-products .pp-sec {
    padding: 72px 0;
  }

  .page-products .pp-hero {
    padding: 28px 0 60px;
  }

  .page-products .pp-board__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 18px;
    padding: 22px;
  }

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

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

  .page-products .pp-fact:nth-child(2n) {
    background: #0B2A21;
  }

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

  .page-products .pp-tier.is-feature {
    transform: translateY(-8px);
  }

  .page-products .pp-tier.is-feature:hover {
    transform: translateY(-12px);
  }
}

@media (min-width: 980px) {
  .page-products .pp-split {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .pp-steps__rail {
    display: block;
    position: sticky;
    top: 132px;
    align-self: start;
    padding-top: 8px;
  }

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

  .page-products .pp-step:nth-child(3) {
    grid-column: 1 / -1;
  }

  .page-products .pp-sub {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-shot--tall {
    margin-top: 26px;
  }
}

@media (min-width: 1180px) {
  .page-products .pp-step:nth-child(3) {
    grid-column: auto;
  }

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

  .page-products .pp-step {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .page-products .pp-steps__rail {
    grid-column: 1;
  }
}