.page-products {
  --page-glow-pro: 0 0 0 1px rgba(198, 255, 0, 0.34), 0 0 42px rgba(198, 255, 0, 0.14);
  --page-cut: 14px;
  --page-cut-lg: 22px;
  --plan-lite-tf: none;
  --plan-std-tf: none;
  --plan-pro-tf: none;
  position: relative;
}

/* ===== 首屏 Hero ===== */
.page-products .product-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  overflow: hidden;
}
.page-products .product-hero__head {
  max-width: 1080px;
}
.page-products .product-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.6rem);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0.75rem 0 0;
}
.page-products .product-hero__kicker {
  display: inline-block;
  color: var(--clr-primary);
  font-family: var(--font-numeric);
  font-size: 0.6em;
  font-weight: 500;
  margin-left: 0.3em;
  vertical-align: middle;
}
.page-products .product-hero__lead {
  margin-top: 1.25rem;
  max-width: 70ch;
  color: var(--clr-muted);
  font-size: 1rem;
  line-height: 1.8;
}
.page-products .product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ===== 订阅方案卡片 ===== */
.page-products .plan-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
}
.page-products .plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--clr-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-card);
  clip-path: polygon(var(--page-cut) 0, 100% 0, 100% calc(100% - var(--page-cut)), calc(100% - var(--page-cut)) 100%, 0 100%, 0 var(--page-cut));
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.page-products .plan-card:hover {
  border-color: rgba(198, 255, 0, 0.45);
  box-shadow: var(--shadow-raised);
}
.page-products .plan-card__tag {
  align-self: flex-start;
  margin-bottom: 0.85rem;
}
.page-products .plan-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
}
.page-products .plan-card__desc {
  color: var(--clr-muted);
  font-size: 0.925rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.page-products .plan-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.6rem;
}
.page-products .plan-card__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  color: var(--clr-text);
  line-height: 1.5;
}
.page-products .plan-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 2px;
  background: var(--clr-primary);
}
.page-products .plan-card__action {
  margin-top: auto;
  align-self: flex-start;
}
.page-products .plan-card--pro {
  border-color: rgba(198, 255, 0, 0.5);
  box-shadow: var(--page-glow-pro);
  background:
    linear-gradient(160deg, rgba(198, 255, 0, 0.09), transparent 42%),
    var(--clr-panel);
}
.page-products .plan-card--pro .plan-card__name {
  color: var(--clr-primary);
}
.page-products .plan-card--pro:hover {
  box-shadow: var(--page-glow-pro), var(--shadow-raised);
}

/* ===== 功能链路 ===== */
.page-products .overview-chain {
  display: grid;
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
}
.page-products .overview-chain__step {
  position: relative;
  background: var(--clr-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.375rem 1.5rem 1.5rem;
  overflow: hidden;
}
.page-products .overview-chain__num {
  font-family: var(--font-numeric);
  font-size: 0.875rem;
  color: var(--clr-primary);
  letter-spacing: 0.08em;
}
.page-products .overview-chain__step h3 {
  margin: 0.5rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-products .overview-chain__step p {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}
.page-products .overview-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-products .overview-stats .stat {
  background: rgba(17, 21, 26, 0.7);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: grid;
  gap: 0.25rem;
}
.page-products .overview-more {
  margin-top: 1.5rem;
  display: flex;
}

/* ===== 方案对比 ===== */
.page-products .compare-layout {
  display: grid;
  gap: 2rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
  align-items: start;
}
.page-products .compare-layout__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
  background: var(--clr-panel);
  object-fit: cover;
}
.page-products .compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-panel);
  box-shadow: var(--shadow-card);
}
.page-products .compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.page-products .compare-table th,
.page-products .compare-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--clr-border);
  vertical-align: top;
}
.page-products .compare-table thead th {
  background: var(--clr-input);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}
.page-products .compare-table thead a {
  color: var(--clr-text);
  text-decoration: none;
}
.page-products .compare-table thead a:hover {
  color: var(--clr-primary);
}
.page-products .compare-table tbody th {
  font-weight: 500;
  color: var(--clr-muted);
}
.page-products .compare-table tbody th:nth-child(2),
.page-products .compare-table tbody td:nth-child(2) {
  background: rgba(198, 255, 0, 0.04);
}
.page-products .compare-table tbody th:nth-child(3),
.page-products .compare-table tbody td:nth-child(3) {
  background: rgba(0, 236, 210, 0.035);
}
.page-products .compare-table tbody th:nth-child(4),
.page-products .compare-table tbody td:nth-child(4) {
  background: rgba(255, 107, 0, 0.045);
}
.page-products .compare-table tbody tr.compare-table__highlight th,
.page-products .compare-table tbody tr.compare-table__highlight td {
  background: rgba(255, 107, 0, 0.14);
  border-top: 1px solid rgba(255, 107, 0, 0.45);
  border-bottom: 1px solid rgba(255, 107, 0, 0.45);
}
.page-products .compare-table tbody tr.compare-table__highlight th {
  color: var(--clr-accent);
}

/* ===== 正式版回看集锦 ===== */
.page-products .highlight-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-products .highlight-grid__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
  background: var(--clr-panel);
  object-fit: cover;
}
.page-products .highlight-list,
.page-products .channel-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}
.page-products .highlight-list li,
.page-products .channel-list li {
  position: relative;
  padding-left: 1.35rem;
  line-height: 1.6;
  color: var(--clr-text);
}
.page-products .highlight-list li::before,
.page-products .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.75rem;
  height: 2px;
  background: var(--clr-accent);
}

/* ===== 订阅读赛通道 ===== */
.page-products .channel-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-products .channel-grid__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
  background: var(--clr-panel);
  object-fit: cover;
}

/* ===== 客户端版本矩阵 ===== */
.page-products .version-matrix {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
}
.page-products .version-card {
  display: flex;
  flex-direction: column;
  background: var(--clr-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.page-products .version-card:hover {
  border-color: rgba(198, 255, 0, 0.35);
  box-shadow: var(--shadow-raised);
}
.page-products .version-card__window {
  border: 1px solid var(--clr-border);
  border-radius: calc(var(--radius-md) - 4px);
  background: var(--clr-input);
  padding: 0.75rem;
  position: relative;
}
.page-products .version-card__window::before {
  content: "";
  display: block;
  width: 44px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--clr-primary) 0 10px, var(--clr-border) 10px 44px);
  margin-bottom: 0.75rem;
}
.page-products .version-card__screen {
  height: 130px;
  border-radius: 6px;
  background:
    linear-gradient(180deg, transparent 36%, var(--clr-border) 36%, var(--clr-border) 37%, transparent 37%),
    linear-gradient(120deg, rgba(198, 255, 0, 0.26) 0 4px, transparent 4px),
    linear-gradient(90deg, transparent 0 calc(100% - 2.2rem), var(--clr-border) calc(100% - 2.2rem) calc(100% - 2rem), transparent calc(100% - 2rem));
}
.page-products .version-card__name {
  margin: 1rem 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-products .version-card__ver {
  font-family: var(--font-numeric);
  color: var(--clr-primary);
  font-size: 0.875rem;
  margin: 0 0 0.5rem;
}
.page-products .version-card__desc {
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0.875rem;
}
.page-products .version-card__log {
  margin-top: auto;
  border-top: 1px dashed var(--clr-border);
  padding-top: 0.75rem;
}
.page-products .version-card__log summary {
  cursor: pointer;
  color: var(--clr-text);
  font-size: 0.875rem;
  font-weight: 500;
}
.page-products .version-card__log ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: var(--clr-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  display: grid;
  gap: 0.3rem;
}
.page-products .version-matrix__figure {
  margin: 2rem auto 0;
  max-width: 480px;
}
.page-products .version-matrix__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
  background: var(--clr-panel);
}

/* ===== 如何开始 ===== */
.page-products .start-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-products .start-layout__media img {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-inline: auto;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-raised);
  background: var(--clr-panel);
  object-fit: cover;
}
.page-products .start-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
}
.page-products .start-steps li {
  counter-increment: step;
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 3.75rem;
  background: var(--clr-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.page-products .start-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  font-family: var(--font-numeric);
  font-size: 1rem;
  color: var(--clr-primary);
}
.page-products .start-steps strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}
.page-products .start-steps p {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-products .start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ===== 中等屏幕：双列 / 四列节奏 ===== */
@media (min-width: 640px) {
  .page-products .overview-chain {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .overview-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .version-matrix {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

/* ===== 桌面端：斜切卡片与分栏 ===== */
@media (min-width: 1024px) {
  .page-products .plan-cards {
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
    gap: 1.75rem;
  }
  .page-products .plan-card {
    flex: 1;
    max-width: 360px;
  }
  .page-products .plan-card--lite {
    --plan-lite-tf: rotate(-1.4deg) translateY(-6px);
    transform: var(--plan-lite-tf);
  }
  .page-products .plan-card--std {
    --plan-std-tf: rotate(0.8deg) translateY(-18px) scale(1.02);
    transform: var(--plan-std-tf);
  }
  .page-products .plan-card--pro {
    --plan-pro-tf: rotate(-0.4deg) translateY(-42px) scale(1.05);
    transform: var(--plan-pro-tf);
  }
  .page-products .plan-card--lite:hover,
  .page-products .plan-card--std:hover,
  .page-products .plan-card--pro:hover {
    transform: var(--plan-lite-tf);
  }
  .page-products .plan-card--std:hover {
    transform: var(--plan-std-tf);
  }
  .page-products .plan-card--pro:hover {
    transform: var(--plan-pro-tf);
  }

  .page-products .overview-chain {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .compare-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
  .page-products .highlight-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
  .page-products .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-products .start-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}