.page-products {
  --pp-shift: 6px;
}

/* ---------- 面包屑留白 ---------- */
.page-products .breadcrumbs {
  margin: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  padding: clamp(20px, 4vw, 42px) 0 clamp(30px, 5.5vw, 68px);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(880px 400px at 6% -12%, rgba(255, 90, 31, 0.2), transparent 62%),
    radial-gradient(760px 420px at 98% 4%, rgba(22, 224, 210, 0.15), transparent 60%);
}

.page-products .hero__grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
}

.page-products .hero__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--data);
  margin: 0 0 14px;
}

.page-products .hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--warm);
  margin: 0 0 18px;
}

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

.page-products .hero__text {
  font-size: clamp(0.94rem, 1.5vw, 1.04rem);
  line-height: 1.78;
  color: var(--cream);
  max-width: 48ch;
  margin: 0 0 24px;
}

/* ---------- 版本切换器（CSS-only tabs） ---------- */
.page-products .version-switch {
  border: 2px solid var(--line-strong);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: 14px 16px 16px;
}

.page-products .vs-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
  margin: 0 0 12px;
}

.page-products .vs-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .vs-input:focus-visible ~ .vs-tabs {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.page-products .vs-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .vs-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
  border: 1px solid var(--line-strong);
  padding: 7px 14px;
  cursor: pointer;
  transition: color var(--t), border-color var(--t), background-color var(--t);
}

.page-products .vs-tab:hover {
  color: var(--warm);
  border-color: var(--brand);
}

.page-products #vs-ios:checked ~ .vs-tabs [for="vs-ios"],
.page-products #vs-android:checked ~ .vs-tabs [for="vs-android"],
.page-products #vs-desktop:checked ~ .vs-tabs [for="vs-desktop"] {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--ink-950);
  font-weight: 700;
}

.page-products .vs-panel {
  display: none;
}

.page-products #vs-ios:checked ~ .vs-panels .vs-panel--ios,
.page-products #vs-android:checked ~ .vs-panels .vs-panel--android,
.page-products #vs-desktop:checked ~ .vs-panels .vs-panel--desktop {
  display: block;
}

.page-products .vs-spec {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  margin: 0 0 12px;
}

.page-products .vs-spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--data);
  padding-top: 4px;
}

.page-products .vs-spec dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--cream);
}

.page-products .vs-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.5);
  padding-bottom: 2px;
  transition: color var(--t), border-color var(--t);
}

.page-products .vs-link:hover {
  color: var(--warm);
  border-color: var(--warm);
}

/* ---------- 首屏右侧错落卡片 ---------- */
.page-products .hero__rack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-content: start;
}

.page-products .rack-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 104px;
  padding: 14px 16px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}

.page-products .rack-card:hover,
.page-products .rack-card:focus-within {
  border-color: var(--brand);
  transform: translate(calc(-1 * var(--pp-shift)), calc(-1 * var(--pp-shift)));
  box-shadow: var(--shadow-hard);
}

.page-products .rack-card--brand {
  background: linear-gradient(140deg, rgba(255, 90, 31, 0.24), rgba(255, 138, 61, 0.05));
  border-color: rgba(255, 90, 31, 0.5);
}

.page-products .rack-card--data {
  background: linear-gradient(140deg, rgba(22, 224, 210, 0.18), rgba(11, 124, 120, 0.05));
  border-color: rgba(22, 224, 210, 0.45);
}

.page-products .rack-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ash);
}

.page-products .rack-card__name {
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--warm);
  margin: 0;
}

.page-products .rack-card__meta {
  font-size: 0.79rem;
  line-height: 1.55;
  color: var(--ash);
  margin: 0;
}

/* ---------- 通用区块与标题 ---------- */
.page-products .pp-block {
  padding: clamp(38px, 6vw, 78px) 0;
  border-top: 2px solid var(--line);
}

.page-products .pp-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-products .pp-head__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--brand);
}

.page-products .pp-head__title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.06;
  color: var(--warm);
  margin: 0;
}

.page-products .pp-head__lead {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ash);
}

.page-products .lead-p {
  font-size: clamp(0.94rem, 1.4vw, 1.02rem);
  line-height: 1.8;
  color: var(--cream);
  margin: 0 0 16px;
}

.page-products .note-line {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--brand);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ash);
}

/* ---------- 版本总览卡片 ---------- */
.page-products .ver-grid {
  display: grid;
  gap: var(--gap);
}

.page-products .ver-card {
  border: 2px solid var(--line);
  background: var(--ink-800);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}

.page-products .ver-card:hover {
  border-color: var(--line-strong);
  transform: translate(calc(-1 * var(--pp-shift)), calc(-1 * var(--pp-shift)));
  box-shadow: var(--shadow-hard);
}

.page-products .ver-card--brand {
  border-top: 4px solid var(--brand);
}

.page-products .ver-card--data {
  border-top: 4px solid var(--data);
}

.page-products .ver-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
  margin: 0;
}

.page-products .ver-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--warm);
  margin: 0;
}

.page-products .ver-card__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .ver-card__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ash);
}

.page-products .ver-card__stat strong {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--data);
  letter-spacing: 0.02em;
}

.page-products .ver-card--brand .ver-card__stat strong {
  color: var(--brand-soft);
}

/* ---------- 分栏布局 ---------- */
.page-products .split {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

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

.page-products .split__body {
  min-width: 0;
}

/* ---------- 图片容器 ---------- */
.page-products .shot {
  position: relative;
  border: 2px solid var(--line-strong);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
  background:
    repeating-linear-gradient(45deg, rgba(255, 248, 238, 0.045) 0 10px, transparent 10px 20px),
    var(--ink-800);
  border-bottom: 3px solid var(--brand);
}

.page-products .shot--data {
  border-bottom-color: var(--data);
}

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

.page-products .shot--tall {
  aspect-ratio: 9 / 16;
  max-width: 320px;
}

.page-products .shot--wide {
  aspect-ratio: 14 / 9;
}

.page-products .shot--classic {
  aspect-ratio: 3 / 2;
}

.page-products .shot__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--ash);
}

/* ---------- 要点列表 ---------- */
.page-products .marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .marks li {
  position: relative;
  padding-left: 26px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 13px;
  height: 3px;
  background: var(--brand);
}

.page-products .marks--data li::before {
  background: var(--data);
}

/* ---------- 电脑版横向看板 ---------- */
.page-products .board {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 16px;
  margin-top: clamp(24px, 4vw, 44px);
  -webkit-overflow-scrolling: touch;
}

.page-products .board::-webkit-scrollbar {
  height: 6px;
}

.page-products .board::-webkit-scrollbar-track {
  background: var(--ink-800);
}

.page-products .board::-webkit-scrollbar-thumb {
  background: var(--brand);
}

.page-products .board__item {
  flex: 0 0 min(78vw, 288px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}

.page-products .board__item:hover {
  border-color: var(--data);
  transform: translate(calc(-1 * var(--pp-shift)), calc(-1 * var(--pp-shift)));
  box-shadow: 6px 6px 0 rgba(22, 224, 210, 0.22);
}

.page-products .board__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--brand);
}

.page-products .board__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--warm);
  margin: 0;
}

.page-products .board__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-products .board__fig {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 同源数据 ---------- */
.page-products .sync-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-products .sync-media {
  margin: 0;
}

/* ---------- 设备与网络 ---------- */
.page-products .dev-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-products .dev-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .dev-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dev-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-products .dev-list__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--data);
}

.page-products .dev-list__val {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .dev-media {
  margin: 0;
}

/* ---------- 企业客户 ---------- */
.page-products .ent-grid {
  display: grid;
  gap: var(--gap);
}

.page-products .ent-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}

.page-products .ent-cell--lead {
  background: linear-gradient(150deg, rgba(255, 90, 31, 0.16), rgba(21, 25, 29, 0.2));
  border-color: rgba(255, 90, 31, 0.45);
}

.page-products .ent-cell:hover,
.page-products .ent-cell:focus-within {
  border-color: var(--brand);
  transform: translate(calc(-1 * var(--pp-shift)), calc(-1 * var(--pp-shift)));
  box-shadow: var(--shadow-hard);
}

.page-products .ent-cell__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--brand);
}

.page-products .ent-cell__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--warm);
  margin: 0;
}

.page-products .ent-cell__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-products .ent-mail {
  align-self: flex-start;
  margin-top: 8px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--warm);
  border: 1px solid var(--line-strong);
  padding: 9px 16px;
  opacity: 0.6;
  transform: translateY(4px);
  transition: opacity var(--t), transform var(--t), color var(--t), background-color var(--t), border-color var(--t);
}

.page-products .ent-cell--lead:hover .ent-mail,
.page-products .ent-cell--lead:focus-within .ent-mail {
  opacity: 1;
  transform: none;
  background: var(--brand);
  border-color: var(--brand);
  color: var(--ink-950);
}

.page-products .ent-figure {
  margin: 0;
}

.page-products .ent-note {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 14px 18px;
  border: 2px dashed var(--line-strong);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cream);
}

/* ---------- 收尾 CTA ---------- */
.page-products .pp-cta {
  padding: 0 0 clamp(44px, 6vw, 84px);
}

.page-products .cta-box {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 38px);
  border: 2px solid var(--line-strong);
  background:
    linear-gradient(120deg, rgba(255, 90, 31, 0.14), transparent 55%),
    var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .cta-box__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--warm);
  margin: 0 0 10px;
}

.page-products .cta-box__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ash);
  max-width: 46ch;
}

.page-products .cta-box__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

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

  .page-products .ent-cell--lead,
  .page-products .ent-figure {
    grid-column: span 2;
  }

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

@media (min-width: 760px) {
  .page-products .hero__rack {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .rack-card:nth-child(1) {
    grid-column: span 7;
  }

  .page-products .rack-card:nth-child(2) {
    grid-column: span 5;
  }

  .page-products .rack-card:nth-child(3),
  .page-products .rack-card:nth-child(4),
  .page-products .rack-card:nth-child(5) {
    grid-column: span 4;
  }

  .page-products .pp-head {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 30ch);
    align-items: baseline;
    gap: 22px;
  }

  .page-products .sync-grid,
  .page-products .dev-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .split {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-products .split--reverse {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  }

  .page-products .split--reverse .split__media {
    order: 2;
  }

  .page-products .split--reverse .split__body {
    order: 1;
  }
}

@media (min-width: 1020px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

@media (hover: none) {
  .page-products .ent-mail {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .rack-card,
  .page-products .ver-card,
  .page-products .board__item,
  .page-products .ent-cell,
  .page-products .ent-mail,
  .page-products .vs-tab,
  .page-products .vs-link {
    transition: none;
  }

  .page-products .rack-card:hover,
  .page-products .ver-card:hover,
  .page-products .board__item:hover,
  .page-products .ent-cell:hover,
  .page-products .ent-cell:focus-within {
    transform: none;
  }
}