.page-products {
  --pp-sticky-top: 72px;
  --pp-glow: rgba(53, 242, 200, 0.14);
  --pp-row: rgba(255, 255, 255, 0.025);
}

@media (min-width: 960px) {
  .page-products {
    --pp-sticky-top: 112px;
  }
}

.page-products .section-head {
  max-width: 720px;
}

.page-products .section-head .lede,
.page-products .ios-copy > p,
.page-products .collect-copy > p,
.page-products .closing > p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-products .version-hero {
  position: relative;
  overflow: hidden;
  padding-block: 44px 52px;
  background:
    radial-gradient(900px 400px at 8% -14%, var(--pp-glow), transparent 60%),
    radial-gradient(640px 320px at 96% 4%, rgba(21, 127, 107, 0.28), transparent 66%);
}

.page-products .version-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(53, 242, 200, 0.45), transparent);
}

.page-products .hero-split {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-products .hero-split {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 56px;
    align-items: end;
  }
}

.page-products .hero-copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 34px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

@media (min-width: 900px) {
  .page-products .hero-copy h1 {
    font-size: 52px;
  }
}

.page-products .hero-copy .lede {
  margin-top: 18px;
  max-width: 34em;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .hero-panel {
  padding: 22px 20px 20px;
  display: grid;
  gap: 14px;
}

.page-products .panel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .preview-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .preview-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 13px;
  border-radius: var(--radius-soft);
  background: var(--pp-row);
  transition: transform var(--ease), background var(--ease);
}

.page-products .preview-row:hover {
  transform: translateY(-2px);
  background: rgba(53, 242, 200, 0.08);
}

.page-products .preview-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .preview-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .preview-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 正式版专区 ---------- */

.page-products .official-grid {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

@media (min-width: 960px) {
  .page-products .official-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 56px;
    align-items: start;
  }
}

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

.page-products .feature-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

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

.page-products .feature-index {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: var(--text-dim);
  padding-top: 4px;
}

.page-products .feature-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .feature-text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- iOS 端 ---------- */

.page-products .ios-split {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-products .ios-split {
    grid-template-columns: minmax(200px, 268px) minmax(0, 1fr);
    gap: 64px;
    align-items: center;
  }
}

.page-products .ios-device {
  justify-self: center;
  width: min(268px, 66vw);
  padding: 10px;
  border-radius: 42px;
  background: linear-gradient(160deg, rgba(53, 242, 200, 0.24), rgba(10, 31, 26, 0.92) 46%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-products .ios-device:hover {
  transform: translateY(-2px);
  box-shadow: 0 32px 74px rgba(0, 0, 0, 0.62);
}

.page-products .ios-device .media-frame {
  border-radius: 34px;
}

.page-products .ios-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

@media (min-width: 900px) {
  .page-products .ios-copy h2 {
    font-size: 40px;
  }
}

.page-products .ios-copy > p {
  margin-top: 16px;
  max-width: 34em;
}

.page-products .clip-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .clip-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--pp-row);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-products .clip-item:hover {
  transform: translateY(-2px);
  border-color: rgba(53, 242, 200, 0.45);
  background: rgba(53, 242, 200, 0.08);
}

.page-products .clip-name {
  font-size: 14.5px;
  color: var(--text);
}

.page-products .clip-time {
  font-size: 13px;
  color: var(--text-dim);
  opacity: 0.6;
  transition: opacity var(--ease), color var(--ease);
}

.page-products .clip-item:hover .clip-time {
  opacity: 1;
  color: var(--cyan);
}

.page-products .clip-note {
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.75;
  max-width: 36em;
}

/* ---------- 版本对照 ---------- */

.page-products .table-scroll {
  margin-top: 34px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .version-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}

.page-products .version-table th,
.page-products .version-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}

.page-products .version-table thead th {
  position: sticky;
  top: var(--pp-sticky-top);
  z-index: 2;
  background: var(--bg-raise);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
  white-space: nowrap;
}

.page-products .version-table tbody th {
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

.page-products .version-table td {
  color: var(--text);
}

.page-products .version-table:has(td[data-col="web"]:hover) :is(th, td)[data-col="web"],
.page-products .version-table:has(td[data-col="ios"]:hover) :is(th, td)[data-col="ios"],
.page-products .version-table:has(td[data-col="lite"]:hover) :is(th, td)[data-col="lite"] {
  background: rgba(53, 242, 200, 0.09);
}

@media (min-width: 960px) {
  .page-products .table-scroll {
    overflow: visible;
  }
}

.page-products .detail-stack {
  margin-top: 30px;
  display: grid;
  gap: 12px;
}

.page-products .detail-card {
  border-radius: var(--radius-soft);
  border: 1px solid var(--line);
  background: var(--pp-row);
  padding: 0 20px;
}

.page-products .detail-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--white);
}

.page-products .detail-card summary::-webkit-details-marker {
  display: none;
}

.page-products .detail-card summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-products .detail-card[open] summary::after {
  content: "–";
}

.page-products .detail-card p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
  max-width: 40em;
}

/* ---------- 收藏与快捷入口 ---------- */

.page-products .collect-split {
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-products .collect-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: center;
  }
}

.page-products .collect-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

@media (min-width: 900px) {
  .page-products .collect-copy h2 {
    font-size: 38px;
  }
}

.page-products .collect-copy > p {
  margin-top: 16px;
  max-width: 34em;
}

.page-products .collect-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-soft);
  background: rgba(255, 255, 255, 0.03);
}

.page-products .step-num {
  font-size: 13px;
  color: var(--amber);
  padding-top: 2px;
}

.page-products .step-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .collect-copy .muted {
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.75;
  max-width: 36em;
}

/* ---------- 版本迭代 ---------- */

.page-products .roadmap {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

@media (min-width: 860px) {
  .page-products .roadmap {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .roadmap-item {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--radius-panel);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(53, 242, 200, 0.1), rgba(10, 31, 26, 0.6) 58%);
  transition: transform var(--ease), border-color var(--ease);
}

.page-products .roadmap-item:hover {
  transform: translateY(-2px);
  border-color: rgba(53, 242, 200, 0.4);
}

.page-products .roadmap-item::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 34px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  transform: translateY(-50%);
}

.page-products .roadmap-item--next::before {
  background: var(--amber);
}

.page-products .roadmap-stage {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-products .roadmap-item--next .roadmap-stage {
  color: var(--amber);
}

.page-products .roadmap-name {
  margin: 12px 0 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .roadmap-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .roadmap + .media-frame {
  margin-top: 32px;
}

/* ---------- 收尾 ---------- */

.page-products .closing h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

@media (min-width: 900px) {
  .page-products .closing h2 {
    font-size: 34px;
  }
}

.page-products .closing > p {
  margin-top: 16px;
  max-width: 36em;
}

.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 媒体容器 ---------- */

.page-products .media-frame {
  border-radius: var(--radius-soft);
  overflow: hidden;
}

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

.page-products .ratio-1-2 {
  aspect-ratio: 1 / 2;
}

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

.page-products .ratio-7-4 {
  aspect-ratio: 7 / 4;
}

.page-products .ratio-12-7 {
  aspect-ratio: 12 / 7;
}

.page-products .media-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}
<<<END>>>