.page-products {
  --pp-sticky-top: calc(var(--header-h) + 20px);
  --pp-price: var(--c-cyan);
  --pp-version: var(--c-amber);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 8vw, 104px) 0 clamp(28px, 5vw, 60px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(33, 230, 208, 0.13), transparent 62%),
    radial-gradient(90% 80% at 4% 12%, rgba(255, 138, 60, 0.12), transparent 58%),
    var(--c-space);
}

.page-products .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--c-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--c-line) 1px, transparent 1px);
  background-size: clamp(64px, 10vw, 148px) clamp(64px, 10vw, 148px);
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(78% 68% at 22% 34%, #000 18%, transparent 76%);
  mask-image: radial-gradient(78% 68% at 22% 34%, #000 18%, transparent 76%);
  pointer-events: none;
}

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

.page-products .hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 6.4vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--c-mist);
}

.page-products .hero__lede {
  max-width: var(--w-text);
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.75;
  color: var(--c-mist);
  opacity: 0.82;
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(30px, 4.5vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
  border-left: 1px solid var(--c-line);
}

.page-products .kpi {
  padding: 14px 16px 16px;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-products .kpi__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.2;
  color: var(--pp-price);
  letter-spacing: -0.01em;
}

.page-products .kpi--amber .kpi__num {
  color: var(--pp-version);
}

.page-products .kpi__label {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--c-cold);
}

/* ---------- 区块通用 ---------- */
.page-products .section {
  padding: clamp(46px, 7vw, 96px) 0;
  border-top: 1px solid var(--c-line);
}

.page-products .section:first-of-type {
  border-top: 0;
}

.page-products .section__head {
  display: flex;
  gap: clamp(12px, 2vw, 28px);
  align-items: flex-start;
  margin-bottom: clamp(24px, 3.6vw, 46px);
}

.page-products .index-num {
  flex: none;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--pp-price);
  opacity: 0.75;
}

.page-products .section__title {
  margin: 8px 0 0;
  max-width: 30ch;
  font-size: var(--fs-h2);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-mist);
}

.page-products .section__intro {
  margin: 14px 0 0;
  max-width: var(--w-text);
  color: var(--c-cold);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.page-products .link-ink {
  color: var(--c-cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 208, 0.4);
  padding-bottom: 1px;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .link-ink:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 刻度条 ---------- */
.page-products .ticker {
  display: grid;
  gap: 0;
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}

.page-products .ticker__item {
  position: relative;
  padding: 16px 0 18px 26px;
  border-left: 2px solid var(--c-line);
}

.page-products .ticker__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pp-version);
  box-shadow: 0 0 0 4px rgba(255, 138, 60, 0.14);
}

.page-products .ticker__name {
  display: block;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-mist);
  letter-spacing: -0.01em;
}

.page-products .ticker__note {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-small);
  color: var(--c-cold);
  line-height: 1.6;
}

.page-products .ticker__price {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  color: var(--pp-price);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图 ---------- */
.page-products .figure {
  margin: 0;
}

.page-products .figure__frame {
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: linear-gradient(140deg, var(--c-midnight), var(--c-space) 60%, rgba(33, 230, 208, 0.08));
}

.page-products .figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .figure__caption {
  margin-top: 10px;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--c-cold);
}

.page-products .figure--21x9,
.page-products .figure--16x9,
.page-products .figure--4x3 {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

/* ---------- 版本卡片 ---------- */
.page-products .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-products .channel-card {
  position: relative;
  padding: 22px 20px 20px;
  overflow: hidden;
}

.page-products .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pp-version), rgba(255, 138, 60, 0));
}

.page-products .channel-card--lts::before {
  background: linear-gradient(90deg, var(--pp-price), rgba(33, 230, 208, 0));
}

.page-products .channel-card__name {
  margin: 12px 0 14px;
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-products .channel-card__rows {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-products .channel-card__row {
  display: grid;
  gap: 4px;
}

.page-products .channel-card__row dt {
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--c-cold);
}

.page-products .channel-card__row dd {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.68;
  color: var(--c-mist);
  opacity: 0.88;
}

/* ---------- 五端 ---------- */
.page-products .ends {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-products .ends__figure {
  margin-bottom: 0;
}

.page-products .ends__body .section__title {
  margin-top: 8px;
}

.page-products .ends__body .prose {
  margin: 16px 0 0;
  color: var(--c-mist);
  opacity: 0.84;
}

.page-products .ends__list {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .ends__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--c-line);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-mist);
  opacity: 0.88;
}

.page-products .ends__list li:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-products .ends__k {
  color: var(--pp-price);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

/* ---------- 图例 ---------- */
.page-products .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: var(--fs-small);
  color: var(--c-cold);
}

.page-products .legend__item {
  display: inline-flex;
  align-items: center;
}

.page-products .legend__sw {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 1px;
}

.page-products .legend__sw--cyan {
  background: var(--pp-price);
}

.page-products .legend__sw--amber {
  background: var(--pp-version);
}

.page-products .legend__sw--glow {
  background: var(--c-glow);
}

/* ---------- 双栏：表格 + 建议 ---------- */
.page-products .split {
  display: grid;
  gap: clamp(24px, 3.4vw, 38px);
}

.page-products .split__label {
  margin: 0 0 10px;
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  color: var(--c-cold);
  text-transform: none;
}

.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  background: var(--c-midnight);
  -webkit-overflow-scrolling: touch;
}

.page-products .table-wrap:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-products .price-table {
  width: 100%;
  min-width: 660px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-small);
}

.page-products .price-table th,
.page-products .price-table td {
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--c-line);
}

.page-products .price-table thead th {
  background: var(--c-abyss);
  color: var(--c-cold);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-products .price-table tbody tr:nth-child(even) {
  background: var(--c-abyss);
}

.page-products .price-table tbody tr:last-child th,
.page-products .price-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .price-table .col-channel {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 132px;
  background: var(--c-midnight);
  border-right: 1px solid var(--c-line);
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .price-table thead .col-channel,
.page-products .price-table tbody tr:nth-child(even) .col-channel {
  background: var(--c-abyss);
}

.page-products .price-table td.mono {
  color: var(--c-mist);
  opacity: 0.8;
  font-variant-numeric: tabular-nums;
}

.page-products .price-copy {
  display: inline-block;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--pp-price);
  background: rgba(33, 230, 208, 0.07);
  border: 1px solid rgba(33, 230, 208, 0.34);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-products .price-copy:hover {
  border-color: var(--c-cyan);
  background: rgba(33, 230, 208, 0.14);
}

.page-products .price-copy[data-copied] {
  border-color: var(--pp-version);
  box-shadow: 0 0 0 2px rgba(255, 138, 60, 0.26);
}

.page-products .split__foot {
  margin: 14px 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-cold);
}

/* ---------- 建议卡片 ---------- */
.page-products .advice {
  padding: 22px 20px;
}

.page-products .advice__title {
  margin: 10px 0 0;
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-products .advice__list {
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .advice__list li {
  padding-left: 14px;
  border-left: 2px solid var(--pp-version);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-mist);
  opacity: 0.88;
}

.page-products .advice__meter {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-products .advice__meter-label {
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--c-glow);
}

.page-products .advice__meter-note {
  font-size: var(--fs-label);
  color: var(--c-cold);
}

.page-products .meter {
  display: block;
  width: 100%;
  height: 8px;
  background: var(--c-space);
  border: 1px solid var(--c-line);
}

.page-products .meter__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-glow), var(--pp-version));
}

/* ---------- 费用构成 ---------- */
.page-products .included {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-products .included .figure {
  margin-bottom: 0;
}

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

.page-products .included__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
}

.page-products .included__item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-products .included__num {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--pp-price);
  padding-top: 4px;
}

.page-products .included__name {
  margin: 0 0 6px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .included__item p {
  margin: 0;
  max-width: 54ch;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-cold);
}

/* ---------- 场景 ---------- */
.page-products .scenes__figure {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .scenarios {
  display: grid;
  gap: 0;
}

.page-products .scenario {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--c-line);
}

.page-products .scenario:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-products .scenario__name {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-products .scenario__desc {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: var(--c-cold);
}

.page-products .scenario__pick {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-products .scenario__link {
  font-size: var(--fs-small);
  color: var(--c-cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 208, 0.36);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .scenario__link:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 路径 ---------- */
.page-products .path {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-products .path__figure {
  margin-bottom: 0;
}

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

.page-products .step {
  position: relative;
  padding: 16px 0 18px 56px;
  border-top: 1px solid var(--c-line);
}

.page-products .step:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-products .step__num {
  position: absolute;
  left: 0;
  top: 16px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-line);
  color: var(--pp-version);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-products .step__name {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .step p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-cold);
}

.page-products .collect {
  padding: 20px;
  border: 1px solid var(--c-line);
  background: var(--c-midnight);
}

.page-products .collect__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 16px;
}

.page-products .collect__meter {
  margin-bottom: 12px;
}

.page-products .collect__note {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-cold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .ticker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .ticker__item {
    padding: 26px 22px 0 0;
    border-left: 0;
    border-top: 2px solid var(--c-line);
  }

  .page-products .ticker__item:last-child {
    border-top-color: transparent;
    background-image: linear-gradient(90deg, var(--c-line), rgba(30, 44, 87, 0));
    background-size: 100% 2px;
    background-repeat: no-repeat;
    background-position: top left;
  }

  .page-products .ticker__item::before {
    left: 0;
    top: -7px;
  }

  .page-products .scenario {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.3fr) auto;
    align-items: center;
    gap: 24px;
    padding: 26px 0;
  }

  .page-products .scenario__desc {
    margin: 0;
  }
}

@media (min-width: 980px) {
  .page-products .section__head {
    margin-bottom: clamp(30px, 4vw, 52px);
  }

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

  .page-products .ends {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.85fr);
    align-items: start;
  }

  .page-products .split__aside {
    position: sticky;
    top: var(--pp-sticky-top);
  }

  .page-products .included {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-products .path {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    grid-template-areas:
      "figure steps"
      "collect collect";
    align-items: start;
  }

  .page-products .path__figure {
    grid-area: figure;
  }

  .page-products .steps {
    grid-area: steps;
  }

  .page-products .collect {
    grid-area: collect;
  }
}

@media (min-width: 1180px) {
  .page-products .hero__title {
    max-width: 18ch;
  }
}