.page-products {
  --pp-gap: clamp(20px, 3vw, 40px);
  --pp-radius: 2px;
}

/* 面包屑（页面内微调） */
.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 18px 0 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-products .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-products .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.page-products .pp-hero {
  padding-top: clamp(24px, 4vw, 56px);
}
.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  align-items: start;
}
.page-products .pp-hero__copy h1 {
  margin: 14px 0 20px;
  font-size: clamp(2rem, 6.4vw, 4.2rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--fg-strong);
}
.page-products .pp-hero__copy .lede {
  max-width: 46ch;
  color: var(--fg);
}
.page-products .pp-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.page-products .pp-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  margin: 36px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 2px solid var(--edge-soft);
}
.page-products .pp-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-products .pp-hero__facts span {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 300;
  letter-spacing: .02em;
  color: var(--cyan);
}
.page-products .pp-hero__viz {
  position: relative;
  padding: 12px;
}
.page-products .pp-hero__viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 55% at 60% 35%, rgba(47, 230, 200, .16), transparent 70%);
  pointer-events: none;
}
.page-products .pp-hero__viz svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 440px;
  margin: 0 auto;
}

/* 通用章节头 */
.page-products .pp-head {
  margin-bottom: clamp(28px, 4vw, 52px);
}
.page-products .pp-head h2 {
  margin: 10px 0 12px;
  font-size: var(--fs-h2);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--fg-strong);
}
.page-products .pp-head__sub {
  max-width: 62ch;
  margin: 0;
  color: var(--fg);
  font-size: var(--fs-body);
  line-height: 1.75;
}

/* 回到顶部 */
.page-products .back-top {
  margin: clamp(30px, 4vw, 48px) 0 0;
  text-align: right;
}
.page-products .back-top a {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-products .back-top a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 三条产品线 */
.page-products .pp-lines__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .line-card {
  position: relative;
  padding: 26px 24px 24px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  background: var(--surface);
  box-shadow: var(--shadow-hard);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.page-products .line-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 12px 12px 0 var(--shadow-c);
}
.page-products .line-card__tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-products .line-card h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .line-card p {
  margin: 0;
  color: var(--fg);
  line-height: 1.75;
}
.page-products .line-card__go {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-products .line-card__go:hover {
  border-bottom-color: var(--coral);
  color: var(--coral);
}

/* 面板能力 */
.page-products .pp-cap {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .pp-cap__list {
  display: grid;
  gap: 22px;
}
.page-products .cap-item {
  padding-left: 18px;
  border-left: 2px solid var(--edge-soft);
  transition: border-color var(--ease);
}
.page-products .cap-item:hover {
  border-left-color: var(--coral);
}
.page-products .cap-item__no {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
  margin-bottom: 8px;
}
.page-products .cap-item h3 {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .cap-item p {
  margin: 0;
  color: var(--fg);
  line-height: 1.75;
}
.page-products .pp-cap__fig {
  margin: 0;
}
.page-products .pp-cap__fig figcaption,
.page-products .pp-detail figcaption,
.page-products .pp-cmp__fig figcaption,
.page-products .pp-arc__fig figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pp-cap__fig img,
.page-products .pp-detail img,
.page-products .pp-cmp__fig img,
.page-products .pp-arc__fig img,
.page-products .pp-setup__fig img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pp-detail {
  margin: clamp(32px, 4vw, 56px) 0 0;
}

/* 数字条 */
.page-products .pp-stat-row {
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: clamp(32px, 4vw, 56px);
  border: 2px solid var(--edge);
  background: var(--edge);
}
.page-products .stat-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 18px;
  background: var(--surface);
}
.page-products .stat-num {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 300;
  letter-spacing: .02em;
  color: var(--cyan);
}
.page-products .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* 版本对照 */
.page-products .pp-cmp__fig {
  margin: 0 0 clamp(32px, 4vw, 48px);
}
.page-products .cmp-panel {
  position: relative;
}
.page-products .cmp-flag {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}
.page-products .cmp-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 16px;
}
.page-products .cmp-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mist);
  background: rgba(6, 23, 38, .35);
  cursor: pointer;
  user-select: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-products .cmp-switch__box {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
}
.page-products .cmp-switch__box::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--ease);
}
.page-products .cmp-flag:checked ~ .cmp-toolbar .cmp-switch {
  background: var(--coral);
  border-color: var(--coral);
  color: #061726;
}
.page-products .cmp-flag:checked ~ .cmp-toolbar .cmp-switch__box::after {
  opacity: 1;
}
.page-products .cmp-flag:focus-visible ~ .cmp-toolbar .cmp-switch {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-products .cmp-hint {
  font-size: 13px;
  color: var(--muted);
}
.page-products .cmp-scroll {
  overflow-x: auto;
  border: 2px solid var(--edge);
  background: var(--bg);
  -webkit-overflow-scrolling: touch;
}
.page-products .cmp-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}
.page-products .cmp-table caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
  border-bottom: 1px solid var(--edge-soft);
}
.page-products .cmp-table thead th {
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--mist);
  background: var(--surface);
  border-bottom: 2px solid var(--edge);
}
.page-products .cmp-table tbody th {
  padding: 13px 18px;
  text-align: left;
  font-weight: 400;
  white-space: nowrap;
  color: var(--fg-strong);
  background: var(--surface-2);
  border-right: 2px solid var(--edge-soft);
  border-bottom: 1px solid var(--edge-soft);
}
.page-products .cmp-table tbody td {
  padding: 13px 18px;
  vertical-align: top;
  color: var(--fg);
  border-bottom: 1px solid var(--edge-soft);
}
.page-products .cmp-table tbody tr:hover td {
  background: rgba(47, 230, 200, .07);
}
.page-products .cmp-table tr.cmp-diff th[scope="row"] {
  box-shadow: inset 4px 0 0 var(--coral);
}
.page-products .cmp-table tr.cmp-diff td:first-of-type::before {
  content: "差异";
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  font-size: 10px;
  letter-spacing: .12em;
  color: #061726;
  background: var(--coral);
  vertical-align: 1px;
}
.page-products .cmp-table tr.cmp-same td:first-of-type::before {
  content: "一致";
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--mist);
  border: 1px solid var(--edge-soft);
  vertical-align: 1px;
}
.page-products .cmp-table tr.cmp-group th {
  position: static;
  padding: 11px 18px;
  font-size: 12px;
  letter-spacing: .16em;
  font-weight: 400;
  color: var(--cyan);
  background: rgba(47, 230, 200, .09);
  border-top: 2px solid var(--edge);
  border-bottom: 1px solid var(--edge-soft);
  border-right: 0;
  box-shadow: none;
}
.page-products .cmp-flag:checked ~ .cmp-scroll .cmp-same {
  display: none;
}

/* 资源归档 */
.page-products .pp-arc__fig {
  margin: 0 0 clamp(30px, 4vw, 46px);
}
.page-products .arc-axis {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 14px;
  margin-bottom: clamp(28px, 4vw, 44px);
  -webkit-overflow-scrolling: touch;
}
.page-products .arc-tick {
  flex: 1 0 48px;
  height: 62px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 9px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
  text-decoration: none;
  background: linear-gradient(to top, rgba(47, 230, 200, .22), rgba(47, 230, 200, 0));
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}
.page-products .arc-tick:hover {
  border-color: var(--coral);
  color: var(--coral);
  background: linear-gradient(to top, rgba(255, 107, 74, .28), rgba(255, 107, 74, 0));
}
.page-products .arc-cards {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .arc-card {
  padding: 24px 22px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  background: rgba(6, 23, 38, .45);
  box-shadow: var(--shadow-soft);
  transition: transform var(--ease), border-color var(--ease);
}
.page-products .arc-card:hover {
  transform: translateY(-4px);
  border-color: var(--coral);
}
.page-products .arc-card__span {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}
.page-products .arc-card h3 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .arc-card p {
  margin: 0;
  color: var(--fg);
  line-height: 1.75;
}
.page-products .arc-card__meta {
  margin-top: 16px !important;
  padding-top: 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--edge-soft);
}
.page-products .arc-channels {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(30px, 4vw, 48px);
}
.page-products .channel {
  padding: 24px 22px;
  border: 2px solid var(--edge);
  border-left: 6px solid var(--cyan);
  background: rgba(6, 23, 38, .3);
}
.page-products .channel--pre {
  border-left-color: var(--coral);
}
.page-products .channel__badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: #061726;
  background: var(--cyan);
}
.page-products .channel--pre .channel__badge {
  background: var(--coral);
}
.page-products .channel h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .channel p {
  margin: 0;
  color: var(--fg);
  line-height: 1.75;
}

/* 使用场景 */
.page-products .scene-grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .scene-card {
  padding: 24px 22px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  background: var(--surface);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.page-products .scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}
.page-products .scene-card__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-products .scene-card h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--fg-strong);
}
.page-products .scene-card p {
  margin: 0;
  color: var(--fg);
  line-height: 1.75;
}
.page-products .scene-card__go {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-products .scene-card__go:hover {
  border-bottom-color: var(--coral);
  color: var(--coral);
}

/* 接入流程 */
.page-products .pp-setup__grid {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-products .step {
  position: relative;
  padding: 0 0 26px 44px;
  border-left: 2px solid var(--edge-soft);
  margin-left: 15px;
}
.page-products .step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-products .step__no {
  position: absolute;
  left: -16px;
  top: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #061726;
  background: var(--cyan);
  border: 2px solid var(--deep);
}
.page-products .step h3 {
  margin: 2px 0 8px;
  font-size: 1.02rem;
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .step p {
  margin: 0;
  color: var(--fg);
  line-height: 1.7;
}
.page-products .setup-note {
  padding: 26px 22px;
  border: 2px solid var(--edge);
  border-radius: var(--pp-radius);
  background: var(--surface);
  box-shadow: var(--shadow-hard);
}
.page-products .setup-note h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--fg-strong);
}
.page-products .setup-note ul {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-products .setup-note li {
  padding-left: 14px;
  border-left: 2px solid var(--coral);
  color: var(--fg);
  line-height: 1.7;
}
.page-products .setup-note strong {
  color: var(--fg-strong);
  font-weight: 400;
}
.page-products .pp-setup__fig {
  margin: clamp(32px, 4vw, 52px) 0 0;
  opacity: .5;
}

/* 服务与支持 */
.page-products .support-grid {
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(2, 1fr);
  border: 2px solid rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .26);
}
.page-products .support-cell {
  padding: 24px 20px;
  background: rgba(6, 23, 38, .34);
}
.page-products .support-cell__num {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  font-weight: 300;
  letter-spacing: .02em;
  color: #FFD9CE;
}
.page-products .support-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .86);
}
.page-products .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 40px);
}
.page-products .support-note {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding-top: 20px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
  border-top: 1px solid rgba(255, 255, 255, .24);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .pp-lines__grid,
  .page-products .scene-grid,
  .page-products .arc-channels {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .pp-stat-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .support-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 64px;
  }
  .page-products .pp-hero__viz {
    margin-top: 64px;
  }
  .page-products .pp-lines__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pp-cap {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pp-cap__list {
    gap: 28px;
  }
  .page-products .arc-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .pp-setup__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .cmp-scroll {
    overflow: visible;
  }
  .page-products .cmp-table {
    min-width: 0;
  }
  .page-products .cmp-table thead th {
    position: sticky;
    top: 0;
    z-index: 3;
  }
  .page-products .cmp-table tbody th[scope="row"] {
    position: sticky;
    left: 0;
    z-index: 2;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-cap {
    grid-template-columns: 6fr 6fr;
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .line-card,
  .page-products .arc-card,
  .page-products .scene-card,
  .page-products .cmp-switch,
  .page-products .arc-tick {
    transition: none;
  }
  .page-products .line-card:hover,
  .page-products .arc-card:hover,
  .page-products .scene-card:hover {
    transform: none;
  }
}
<<<END>>>