.page-products {
  --local-scan: repeating-linear-gradient(135deg, rgba(212, 175, 55, 0.07) 0, rgba(212, 175, 55, 0.07) 2px, transparent 2px, transparent 8px);
  --local-gold-rule: 1px solid rgba(212, 175, 55, 0.5);
  --local-soft-card: 0 10px 30px rgba(10, 25, 20, 0.1);
  --local-deep-block: linear-gradient(145deg, #0B3D2E 0%, #0E4A37 55%, #0B3D2E 100%);
  --local-grid-guide: linear-gradient(rgba(212, 175, 55, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(212, 175, 55, 0.05) 1px, transparent 1px);
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
  background: var(--cream);
  color: var(--green-950);
}

/* 面包屑 */
.page-products .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
  color: var(--moss);
}
.page-products .breadcrumb a {
  color: var(--green-800);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  transition: color 0.22s;
}
.page-products .breadcrumb a:hover {
  color: var(--orange);
}
.page-products .breadcrumb-sep {
  margin-inline: var(--space-2);
  color: var(--gold-brown);
}

/* 版本状态横栏 */
.page-products .version-strip {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--local-deep-block);
  border: var(--local-gold-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.page-products .version-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--local-scan);
  pointer-events: none;
}
.page-products .version-strip::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(135deg, transparent 49.5%, rgba(212, 175, 55, 0.12) 50%, transparent 50.5%);
  pointer-events: none;
}
.page-products .version-block {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.page-products .version-label {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.page-products .version-number {
  font-family: var(--font-mono);
  font-size: clamp(52px, 10vw, 76px);
  font-weight: 500;
  line-height: 0.9;
  color: var(--gold);
  text-shadow: 0 0 28px rgba(212, 175, 55, 0.32);
}
.page-products .version-suffix {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: rgba(247, 241, 229, 0.78);
  border-left: 1px solid rgba(212, 175, 55, 0.4);
  padding-left: var(--space-3);
}
.page-products .version-note {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.page-products .version-note p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.6;
  color: rgba(247, 241, 229, 0.86);
  max-width: 34ch;
}
.page-products .version-link {
  align-self: flex-start;
}

/* ===== 首屏封面 ===== */
.page-products .hero-diagonal {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  background: var(--cream);
  border: var(--local-gold-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.page-products .hero-diagonal::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background: linear-gradient(120deg, transparent 49.4%, rgba(11, 61, 46, 0.05) 50%, transparent 50.6%);
  pointer-events: none;
}
.page-products .hero-copy {
  position: relative;
  z-index: 1;
}
.page-products .hero-copy .eyebrow-tag {
  margin-bottom: var(--space-3);
}
.page-products .hero-copy h1 {
  margin: 0 0 var(--space-3);
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.06;
  color: var(--green-950);
  max-width: 10ch;
}
.page-products .hero-lead {
  margin: 0 0 var(--space-3);
  font-size: var(--font-body-size);
  line-height: 1.65;
  color: var(--green-800);
  max-width: 52ch;
}
.page-products .hero-lead strong {
  color: var(--green-950);
  font-weight: 600;
  border-bottom: 2px solid var(--gold);
}
.page-products .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.06em;
  color: var(--moss);
}
.page-products .hero-meta-dot {
  color: var(--gold-brown);
}
.page-products .hero-visual {
  position: relative;
  z-index: 1;
  max-width: 460px;
  width: 100%;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.page-products .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* ===== 入口三卡 ===== */
.page-products .entry-gateways {
  position: relative;
  background: var(--cream-bright);
  border: var(--border-1);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-1);
}
.page-products .section-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-title);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.15;
  color: var(--green-950);
  position: relative;
  padding-left: var(--space-4);
}
.page-products .section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 3px;
  background: var(--gold);
  border-radius: 99px;
}
.page-products .gateway-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.page-products .gateway-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--white);
  border: 1px solid rgba(11, 61, 46, 0.12);
  border-left: 4px solid var(--green-700);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: transform 0.25s var(--nav-transition), box-shadow 0.25s;
}
.page-products .gateway-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-left-color: var(--gold);
}
.page-products .gateway-card.is-featured {
  border-left-color: var(--orange);
  background: linear-gradient(160deg, var(--white) 0%, var(--cream-bright) 100%);
}
.page-products .gateway-index {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--gold-brown);
  letter-spacing: 0.12em;
}
.page-products .gateway-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: var(--font-xl);
  color: var(--green-950);
  line-height: 1.2;
}
.page-products .gateway-card p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.6;
  color: var(--green-800);
  flex: 1;
}
.page-products .gateway-btn {
  align-self: flex-start;
  margin-top: var(--space-2);
}
.page-products .gateway-icon {
  margin: var(--space-5) auto 0;
  max-width: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0.9;
}

/* ===== 兼容矩阵 ===== */
.page-products .matrix-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  background: var(--local-deep-block);
  border: var(--local-gold-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-2);
}
.page-products .matrix-intro {
  position: relative;
  z-index: 1;
}
.page-products .matrix-intro .eyebrow-tag {
  margin-bottom: var(--space-3);
}
.page-products .matrix-intro h2 {
  margin: 0 0 var(--space-3);
  color: var(--cream);
}
.page-products .matrix-intro p {
  margin: 0 0 var(--space-4);
  font-size: var(--font-sm);
  line-height: 1.65;
  color: rgba(247, 241, 229, 0.82);
}
.page-products .matrix-texture {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
  max-width: 420px;
}
.page-products .matrix-panel {
  position: relative;
  z-index: 1;
  background: rgba(247, 241, 229, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  overflow-x: auto;
}
.page-products .matrix-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--font-sm);
  background: transparent;
}
.page-products .matrix-table th {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid rgba(212, 175, 55, 0.4);
}
.page-products .matrix-table td {
  padding: var(--space-3);
  color: var(--cream);
  border-bottom: 1px solid rgba(247, 241, 229, 0.1);
  vertical-align: middle;
  line-height: 1.4;
}
.page-products .matrix-row {
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.page-products .matrix-row:hover {
  background: rgba(212, 175, 55, 0.12);
}
.page-products .matrix-row.row-selected {
  background: var(--orange);
  color: var(--green-950);
}
.page-products .matrix-row.row-selected td {
  color: var(--green-950);
}
.page-products .version-cell {
  white-space: nowrap;
}
.page-products .version-cell strong {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--font-lg);
  color: var(--gold);
}
.page-products .matrix-row.row-selected .version-cell strong {
  color: var(--green-950);
}
.page-products .matrix-row-btn {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--gold);
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 99px;
  padding: 4px 12px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.page-products .matrix-row-btn:hover {
  background: rgba(212, 175, 55, 0.2);
}
.page-products .matrix-row.row-selected .matrix-row-btn {
  border-color: rgba(11, 61, 46, 0.6);
  color: var(--green-950);
}
.page-products .ios-notes {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.page-products .ios-note {
  background: rgba(247, 241, 229, 0.1);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
}
.page-products .ios-note h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.page-products .ios-note p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.6;
  color: rgba(247, 241, 229, 0.82);
}

/* ===== 核对清单 ===== */
.page-products .checklist-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  background: var(--cream);
  border: var(--local-gold-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-1);
}
.page-products .checklist-visual {
  max-width: 420px;
  margin-inline: auto;
}
.page-products .checklist-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: var(--shadow-1);
}
.page-products .checklist-content .eyebrow-tag {
  margin-bottom: var(--space-3);
}
.page-products .checklist-content h2 {
  margin: 0 0 var(--space-3);
  color: var(--green-950);
}
.page-products .checklist-content > p {
  margin: 0 0 var(--space-4);
  font-size: var(--font-sm);
  color: var(--green-800);
  line-height: 1.65;
}
.page-products .checklist-accordion {
  display: grid;
  gap: var(--space-2);
}
.page-products .check-item {
  background: var(--white);
  border: 1px solid rgba(11, 61, 46, 0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.22s, box-shadow 0.22s;
}
.page-products .check-item:hover {
  border-color: rgba(212, 175, 55, 0.6);
}
.page-products .check-item[open] {
  border-color: rgba(212, 175, 55, 0.7);
  box-shadow: var(--shadow-1);
}
.page-products .check-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--font-sm);
  color: var(--green-950);
  user-select: none;
}
.page-products .check-item summary::-webkit-details-marker {
  display: none;
}
.page-products .check-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--gold-brown);
  font-size: 20px;
  line-height: 1;
  transition: transform 0.22s;
}
.page-products .check-item[open] summary::after {
  transform: rotate(45deg);
}
.page-products .check-body {
  padding: 0 16px 16px;
}
.page-products .check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-sm);
  color: var(--green-700);
  margin-bottom: var(--space-2);
  cursor: pointer;
}
.page-products .check-label input[type="checkbox"] {
  accent-color: var(--orange);
  width: 16px;
  height: 16px;
}
.page-products .check-body p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.6;
  color: var(--moss);
}
.page-products .check-body a {
  color: var(--green-950);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}
.page-products .checklist-progress {
  display: flex;
  gap: 6px;
  margin-top: var(--space-4);
}
.page-products .pg-seg {
  flex: 1;
  height: 6px;
  border-radius: 99px;
  background: rgba(11, 61, 46, 0.12);
}
.page-products .pg-seg:first-child {
  background: var(--gold);
}

/* ===== 同步说明 ===== */
.page-products .sync-section {
  position: relative;
  background: var(--cream-bright);
  border: var(--border-1);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.page-products .sync-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: var(--local-grid-guide);
  background-size: 18px 18px;
  opacity: 0.6;
  pointer-events: none;
}
.page-products .sync-inner {
  position: relative;
  z-index: 1;
}
.page-products .sync-section .eyebrow-tag {
  margin-bottom: var(--space-3);
}
.page-products .sync-section h2 {
  margin: 0 0 var(--space-4);
  color: var(--green-950);
  max-width: 18ch;
}
.page-products .sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  max-width: 72ch;
}
.page-products .sync-grid p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.7;
  color: var(--green-800);
}
.page-products .sync-grid strong {
  color: var(--green-950);
}
.page-products .sync-grid a {
  color: var(--green-950);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}
.page-products .sync-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.page-products .stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.06em;
  color: var(--green-700);
  background: var(--white);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  min-width: 120px;
}
.page-products .stat-item strong {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--gold-brown);
  line-height: 1;
}

/* ===== 下载步骤 ===== */
.page-products .steps-section {
  background: var(--cream);
  border: var(--local-gold-rule);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-1);
}
.page-products .steps-section h2 {
  margin: 0 0 var(--space-4);
  color: var(--green-950);
}
.page-products .steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
  counter-reset: step-counter;
}
.page-products .steps-list li {
  counter-increment: step-counter;
  position: relative;
  background: var(--white);
  border: 1px solid rgba(11, 61, 46, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-4) var(--space-4) 64px;
  transition: transform 0.22s, box-shadow 0.22s;
}
.page-products .steps-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(212, 175, 55, 0.5);
}
.page-products .steps-list li::before {
  content: counter(step-counter);
  position: absolute;
  left: 16px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  color: var(--orange);
  line-height: 1;
}
.page-products .steps-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: var(--font-lg);
  color: var(--green-950);
  line-height: 1.2;
}
.page-products .steps-list p {
  margin: 0;
  font-size: var(--font-sm);
  line-height: 1.6;
  color: var(--green-800);
}
.page-products .steps-list a {
  color: var(--green-950);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}
.page-products .note-box {
  margin-top: var(--space-4);
  background: var(--cream-bright);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-size: var(--font-sm);
  color: var(--green-950);
  line-height: 1.7;
}

/* ===== 底部时间轴 ===== */
.page-products .timeline-footer {
  text-align: center;
}
.page-products .timeline-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.45);
  box-shadow: var(--shadow-2);
  margin-bottom: var(--space-3);
}
.page-products .timeline-footer p {
  margin: 0;
  font-size: var(--font-sm);
  color: var(--moss);
}
.page-products .timeline-footer a {
  color: var(--green-950);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

/* ===== 图片基础 ===== */
.page-products .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 平板 ===== */
@media (min-width: 768px) {
  .page-products .version-strip {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-products .version-number {
    font-size: clamp(60px, 7vw, 88px);
  }
  .page-products .hero-diagonal {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
  .page-products .hero-visual {
    margin-inline: 0;
  }
  .page-products .gateway-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .gateway-card.is-featured {
    grid-column: span 2;
  }
  .page-products .matrix-section {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-products .checklist-section {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-products .sync-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .sync-grid p:first-child {
    grid-column: span 2;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1024px) {
  .page-products {
    padding-inline: var(--space-6);
    padding-top: var(--space-6);
  }
  .page-products .gateway-grid {
    grid-template-columns: 1.1fr 1fr 1fr;
  }
  .page-products .gateway-card.is-featured {
    grid-column: auto;
  }
  .page-products .matrix-section {
    padding: var(--space-6) var(--space-6);
  }
  .page-products .checklist-section,
  .page-products .steps-section,
  .page-products .sync-section,
  .page-products .entry-gateways {
    padding: var(--space-6) var(--space-6);
  }
  .page-products .ios-notes {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .steps-list {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .page-products .steps-list li:last-child {
    grid-column: span 2;
  }
}