.page-products {
  --pp-line: var(--line);
  --pp-pad: clamp(20px, 5vw, 40px);
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
}

.page-products .breadcrumbs {
  padding-block: 18px 0;
}

.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-products .breadcrumbs__list a {
  color: var(--ash);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-products .breadcrumbs__list a:hover,
.page-products .breadcrumbs__list a:focus-visible {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 6vw, 56px) clamp(36px, 7vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 84% 10%, rgba(255, 106, 26, 0.16), transparent 46%),
    radial-gradient(circle at 6% 78%, rgba(76, 224, 210, 0.1), transparent 54%),
    var(--ink);
}

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

.page-products .hero__title {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 9vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--fog);
  transform: rotate(-2deg);
  transform-origin: 0 0;
}

.page-products .hero__lead {
  max-width: 62ch;
  margin: clamp(20px, 4vw, 32px) 0 0;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.75;
  color: var(--ash);
}

.page-products .hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-products .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .hero__stat-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1;
  color: var(--fog);
}

.page-products .hero__stat:nth-child(3) .hero__stat-num {
  color: var(--orange);
}

.page-products .hero__stat-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

/* ---------- 章节公共 ---------- */
.page-products .section {
  padding-block: clamp(48px, 9vw, 96px);
}

.page-products .section__title {
  margin-top: 12px;
}

/* ---------- 三端协同 ---------- */
.page-products .ability {
  background: var(--ink);
}

.page-products .ability__grid {
  align-items: start;
  row-gap: 32px;
}

.page-products .ability__media {
  margin-top: 4px;
}

.page-products .flowline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .flowline__node {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--fog);
  background: var(--ink-2);
}

.page-products .flowline__idx {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--orange);
}

/* ---------- 版本树 ---------- */
.page-products .versions {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

.page-products .verwrap {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: clamp(28px, 5vw, 44px);
}

.page-products .verradio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .vertree__label {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .vertree__body {
  position: relative;
  padding-left: 4px;
}

.page-products .vertree__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  pointer-events: none;
}

.page-products .vertree__list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .vertree__item {
  min-height: 62px;
  display: flex;
  align-items: center;
}

.page-products .vnode {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--ash);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .vnode:hover {
  border-color: var(--orange-soft);
  color: var(--fog);
  transform: translateX(3px);
}

.page-products .vnode__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-products .vnode__meta {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products #ver-demo:checked ~ .vertree .vnode--demo,
.page-products #ver-pro:checked ~ .vertree .vnode--pro,
.page-products #ver-screen:checked ~ .vertree .vnode--screen {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-products #ver-demo:checked ~ .vertree .vnode--demo .vnode__name,
.page-products #ver-pro:checked ~ .vertree .vnode--pro .vnode__name,
.page-products #ver-screen:checked ~ .vertree .vnode--screen .vnode__name {
  color: var(--ink);
}

.page-products #ver-demo:focus-visible ~ .vertree .vnode--demo,
.page-products #ver-pro:focus-visible ~ .vertree .vnode--pro,
.page-products #ver-screen:focus-visible ~ .vertree .vnode--screen {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .verpanels {
  min-height: 320px;
  border: 1px solid var(--line);
  background: var(--ink);
  padding: clamp(20px, 4vw, 32px);
}

.page-products .verpanel {
  display: none;
}

.page-products #ver-demo:checked ~ .verpanels .verpanel--demo,
.page-products #ver-pro:checked ~ .verpanels .verpanel--pro,
.page-products #ver-screen:checked ~ .verpanels .verpanel--screen {
  display: block;
  animation: pp-fade var(--dur) var(--ease) both;
}

@keyframes pp-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-products .verpanel__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
}

.page-products .verpanel__cycle {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .verpanel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .verpanel__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

.page-products .vspec {
  margin: 22px 0;
  border-top: 1px solid var(--line);
}

.page-products .vspec__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .vspec__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .vspec__row dd {
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--fog);
}

/* ---------- 版本对照表 ---------- */
.page-products .compare-wrap {
  margin-top: clamp(32px, 6vw, 56px);
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.page-products .compare {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .compare__caption {
  padding: 14px 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-products .compare thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 14px 12px;
  text-align: left;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fog);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-products .compare tbody th {
  padding: 14px 12px;
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ash);
  border-bottom: 1px solid var(--line);
}

.page-products .compare tbody td {
  padding: 14px 12px;
  color: var(--fog);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .compare tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.page-products .compare tbody tr:hover {
  background: rgba(255, 106, 26, 0.08);
}

.page-products .compare tbody tr:hover th,
.page-products .compare tbody tr:hover td {
  color: var(--fog);
}

/* ---------- 价格 ---------- */
.page-products .price {
  background: var(--ink);
}

.page-products .price__grid {
  row-gap: 36px;
}

.page-products .price__figure {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 26px 0 18px;
  padding: 18px 0 20px;
  border-block: 1px solid var(--line);
}

.page-products .price__amount {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(48px, 12vw, 84px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-products .price__unit {
  font-size: 16px;
  color: var(--ash);
}

.page-products .bullets {
  margin: 24px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .bullets__item {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 14px;
  color: var(--ash);
  border-bottom: 1px solid var(--line);
}

.page-products .bullets__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 9px;
  height: 1px;
  background: var(--orange);
}

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

/* ---------- 大屏版 ---------- */
.page-products .screen {
  background: var(--ink-2);
  border-block: 1px solid var(--line);
}

.page-products .screen__grid {
  row-gap: 32px;
  align-items: start;
}

.page-products .vspec--wide dd {
  color: var(--cyan);
}

/* ---------- 导出与接口 ---------- */
.page-products .export {
  background: var(--ink);
}

.page-products .export__grid {
  row-gap: 32px;
  margin-top: clamp(28px, 5vw, 44px);
}

.page-products .exptabs {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

.page-products .exptabs__bar {
  display: flex;
  border-bottom: 1px solid var(--line);
}

.page-products .exptabs__tab {
  flex: 1 1 0;
  padding: 14px 12px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ash);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-products .exptabs__tab:hover {
  color: var(--fog);
  background: rgba(255, 255, 255, 0.03);
}

.page-products #exp-csv:checked ~ .exptabs__bar .exptabs__tab[for="exp-csv"],
.page-products #exp-img:checked ~ .exptabs__bar .exptabs__tab[for="exp-img"] {
  color: var(--ink);
  background: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products #exp-csv:focus-visible ~ .exptabs__bar .exptabs__tab[for="exp-csv"],
.page-products #exp-img:focus-visible ~ .exptabs__bar .exptabs__tab[for="exp-img"] {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .exptabs__panels {
  padding: clamp(18px, 4vw, 26px);
}

.page-products .exptabs__panel {
  display: none;
}

.page-products #exp-csv:checked ~ .exptabs__panels .exptabs__panel--csv,
.page-products #exp-img:checked ~ .exptabs__panels .exptabs__panel--img {
  display: block;
}

.page-products .exptabs__panel p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .exptabs__note {
  font-size: 13px !important;
  color: var(--ash) !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-products .export__media {
  margin-top: 4px;
}

.page-products .apiwrap {
  margin-top: clamp(40px, 7vw, 64px);
  padding-top: clamp(28px, 5vw, 40px);
  border-top: 1px solid var(--line);
  row-gap: 28px;
}

.page-products .apiwrap__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  color: var(--fog);
}

.page-products .apiwrap .prose p {
  margin: 0 0 1.2em;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

.page-products .apiwrap .u-accent {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-soft);
}

.page-products .apiwrap .u-accent:hover {
  color: var(--orange-soft);
}

/* ---------- 开通路径 ---------- */
.page-products .path {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
}

.page-products .pathlist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .path__step {
  border: 1px solid var(--line);
  background: var(--ink);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .path__step:hover,
.page-products .path__step:focus-within {
  border-color: var(--orange-soft);
  background: rgba(255, 106, 26, 0.06);
}

.page-products .path__summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .path__summary::-webkit-details-marker {
  display: none;
}

.page-products .path__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--orange);
}

.page-products .path__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-products .path__list {
  margin: 0;
  padding: 0 18px 18px 18px;
  list-style: none;
}

.page-products .path__list li {
  position: relative;
  padding: 7px 0 7px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash);
  border-top: 1px solid var(--line);
}

.page-products .path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 收尾 ---------- */
.page-products .closing {
  background: var(--ink);
  border-top: 1px solid var(--line);
  padding-block: clamp(44px, 8vw, 80px);
}

.page-products .closing__inner {
  display: grid;
  gap: 24px;
}

.page-products .closing__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-products .closing__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

.page-products .closing__lead .u-accent {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-soft);
}

.page-products .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pathlist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 880px) {
  .page-products .verwrap {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 40px;
  }

  .page-products .pathlist {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .path__step {
    border: 0;
    border-left: 1px dashed var(--line);
    background: transparent;
  }

  .page-products .path__step:first-child {
    border-left: 0;
  }

  .page-products .path__step:hover,
  .page-products .path__step:focus-within {
    background: transparent;
    border-left-color: var(--orange);
  }

  .page-products .path__summary {
    flex-direction: column;
    gap: 6px;
    padding: 16px 16px 8px;
  }

  .page-products .path__list {
    padding: 0 16px 16px;
  }

  .page-products .price__media,
  .page-products .screen__media,
  .page-products .export__media {
    margin-top: 0;
  }

  .page-products .price__media {
    transform: translateY(28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .hero__title {
    transform: none;
  }

  .page-products .vnode:hover {
    transform: none;
  }

  .page-products #ver-demo:checked ~ .verpanels .verpanel--demo,
  .page-products #ver-pro:checked ~ .verpanels .verpanel--pro,
  .page-products #ver-screen:checked ~ .verpanels .verpanel--screen {
    animation: none;
  }
}