.page-products {
  --pp-gap: clamp(16px, 2.6vw, 26px);
  --pp-radius: var(--r-lg);
  --pp-shadow: 0 20px 50px rgba(3, 8, 18, .55);
}

.page-products .section {
  padding-block: clamp(52px, 8vw, 104px);
  position: relative;
}

.page-products .section--blueprint {
  background:
    linear-gradient(180deg, rgba(14, 26, 48, .72), rgba(14, 26, 48, .35)),
    repeating-linear-gradient(0deg, var(--line-faint) 0 1px, transparent 1px var(--bp-cell)),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px var(--bp-cell));
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -22%;
  width: min(680px, 92vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 35% 35%, rgba(38, 242, 208, .18), rgba(38, 242, 208, 0) 66%);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  bottom: 12%;
  left: -14%;
  width: min(420px, 70vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(255, 122, 26, .16), rgba(255, 122, 26, 0) 68%);
  pointer-events: none;
}

.page-products .prod-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4.5vw, 52px);
  margin-block-start: clamp(18px, 3vw, 34px);
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 0;
}

.page-products .prod-hero h1 em {
  font-style: normal;
  color: var(--cyan);
  display: block;
}

.page-products .prod-hero .lede {
  margin-block-start: clamp(16px, 2.4vw, 24px);
  max-width: 62ch;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: clamp(22px, 3vw, 34px);
}

.page-products .prod-hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .prod-hero-stats li {
  background: var(--panel);
  padding: clamp(14px, 2.2vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-products .prod-hero-stats .num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.2vw, 2.35rem);
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-hero-stats li:nth-child(2) .num,
.page-products .prod-hero-stats li:nth-child(3) .num {
  color: var(--orange);
}

.page-products .prod-hero-stats .label {
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 章节通用 ---------- */

.page-products .chapter .lede {
  margin-block-start: 16px;
  max-width: 70ch;
}

.page-products .chapter-title {
  word-break: break-word;
}

/* ---------- 图片容器微调 ---------- */

.page-products .media--hero {
  margin: clamp(30px, 4.5vw, 56px) 0 0;
}

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

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

.page-products .media-caption {
  margin-block-start: 10px;
  color: var(--muted);
  font-size: .875rem;
}

/* ---------- 模块卡片 ---------- */

.page-products .module-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--pp-gap);
}

.page-products .module-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  padding: clamp(20px, 3vw, 32px);
  overflow: hidden;
  isolation: isolate;
  min-width: 0;
}

.page-products .module-card::before {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -62px;
  width: 190px;
  height: 190px;
  background: var(--organic);
  border-radius: 46% 54% 62% 38% / 54% 42% 58% 46%;
  opacity: .6;
  z-index: -1;
}

.page-products .module-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 68px;
  background: linear-gradient(180deg, var(--cyan), rgba(38, 242, 208, 0));
}

.page-products .module-card--wide::after {
  background: linear-gradient(180deg, var(--orange), rgba(255, 122, 26, 0));
}

.page-products .module-index {
  display: block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  color: var(--line);
  letter-spacing: .04em;
}

.page-products .module-title {
  margin: 8px 0 0;
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  color: var(--ink);
  letter-spacing: .01em;
}

.page-products .module-copy {
  margin-block-start: 12px;
  color: var(--muted);
  line-height: 1.75;
}

.page-products .module-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .module-points li {
  position: relative;
  padding-inline-start: 20px;
  color: var(--ink);
  font-size: .95rem;
  line-height: 1.65;
}

.page-products .module-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
}

.page-products .module-foot {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 两步路径 ---------- */

.page-products .step-layout {
  margin-block-start: clamp(24px, 3vw, 38px);
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .path {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  position: relative;
  min-width: 0;
}

.page-products .path-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding-inline-start: 4px;
  min-width: 0;
}

.page-products .path-node {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
  background: var(--blueprint);
  color: var(--cyan);
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 1.35rem;
  flex: none;
}

.page-products .path-step[data-path-step].is-active .path-node {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 0 6px var(--cyan-dim);
}

.page-products .path-body {
  min-width: 0;
  padding-bottom: clamp(14px, 2vw, 22px);
}

.page-products .path-title {
  margin: 6px 0 0;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  color: var(--ink);
}

.page-products .path-text {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .path-trigger {
  margin-block-start: 12px;
  cursor: pointer;
}

.page-products .path-panel {
  margin-block-start: 12px;
  padding: 14px 16px;
  border-inline-start: 2px solid var(--cyan);
  background: rgba(38, 242, 208, .06);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--ink);
  font-size: .94rem;
  line-height: 1.75;
}

.page-products .path-panel p {
  margin: 0;
}

.page-products .path-step[data-path-step]:not(.is-active) .path-panel {
  display: none;
}

.page-products .path-line {
  position: absolute;
  left: 26px;
  top: 52px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line-soft) 70%, transparent 100%);
}

.page-products .path-step:last-child .path-line {
  display: none;
}

.page-products .media--step {
  margin: 0;
  align-self: start;
}

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

/* ---------- iOS 存档 ---------- */

.page-products .ios-layout {
  margin-block-start: clamp(24px, 3vw, 38px);
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-products .media--portrait {
  margin: 0;
  max-width: 420px;
}

.page-products .media--portrait .media-frame {
  overflow: hidden;
  border-radius: var(--pp-radius);
  position: relative;
}

.page-products .media--portrait .media-frame::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 2px solid var(--orange);
  background: rgba(255, 122, 26, .18);
}

.page-products .ios-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .ios-step {
  background: var(--blueprint);
  padding: clamp(18px, 2.6vw, 26px);
  min-width: 0;
}

.page-products .ios-step-num {
  display: block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--orange);
  letter-spacing: .08em;
}

.page-products .ios-step h3 {
  margin: 8px 0 0;
  font-size: 1.08rem;
  color: var(--ink);
}

.page-products .ios-step p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: .95rem;
}

/* ---------- 会员同步 ---------- */

.page-products .sync-layout {
  margin-block-start: clamp(24px, 3vw, 38px);
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .sync-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .sync-point {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: clamp(16px, 2.4vw, 24px);
  border-left: 3px solid var(--cyan);
  min-width: 0;
}

.page-products .sync-point:nth-child(2) {
  border-left-color: var(--orange);
}

.page-products .sync-point h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink);
}

.page-products .sync-point p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: .95rem;
}

.page-products .sync-note {
  margin-block-start: 18px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.8;
}

.page-products .sync-note a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

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

/* ---------- 统计表格 ---------- */

.page-products .table-scroll {
  margin-block-start: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  background: var(--blueprint);
}

.page-products .table-caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 0;
  color: var(--muted);
  font-size: .85rem;
  letter-spacing: .06em;
}

.page-products .data-table {
  min-width: 640px;
  width: 100%;
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  font-size: .93rem;
}

.page-products .data-table thead th {
  color: var(--cyan);
  letter-spacing: .06em;
  font-size: .82rem;
  text-transform: uppercase;
}

.page-products .data-table tbody th[scope="row"] {
  color: var(--orange-soft);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .data-table tbody td {
  color: var(--muted);
}

.page-products .fold {
  margin-block-start: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
}

.page-products .fold-summary {
  cursor: pointer;
  padding: 15px 18px;
  color: var(--cyan-soft);
  font-weight: 600;
  font-size: .95rem;
  list-style: none;
}

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

.page-products .fold-summary::before {
  content: "＋";
  display: inline-block;
  margin-inline-end: 10px;
  color: var(--cyan);
  font-weight: 700;
}

.page-products .fold[open] .fold-summary::before {
  content: "－";
}

.page-products .fold-body {
  padding: 0 18px 20px;
  color: var(--muted);
  line-height: 1.8;
  font-size: .95rem;
}

.page-products .fold-body p {
  margin: 0;
}

.page-products .fold-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .fold-list li {
  padding-inline-start: 18px;
  position: relative;
}

.page-products .fold-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 9px;
  height: 1.5px;
  background: var(--orange);
}

/* ---------- 格式标签 ---------- */

.page-products .format-block {
  margin-block-start: clamp(30px, 4vw, 48px);
}

.page-products .format-heading {
  margin: 0 0 14px;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--ink);
}

.page-products .format-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: var(--pp-gap);
}

.page-products .format-item {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: clamp(16px, 2.4vw, 24px);
  min-width: 0;
}

.page-products .format-name {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: .06em;
  color: var(--cyan);
  padding: 4px 12px;
  border: 1px solid var(--cyan-dim);
  border-radius: 999px;
  background: rgba(38, 242, 208, .07);
}

.page-products .format-item:nth-child(2) .format-name {
  color: var(--orange);
  border-color: rgba(255, 122, 26, .28);
  background: rgba(255, 122, 26, .08);
}

.page-products .format-item p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: .95rem;
}

.page-products .media--stats {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

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

/* ---------- 版本与场景 ---------- */

.page-products .version-strip {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  overflow: hidden;
}

.page-products .version-item {
  background: var(--blueprint);
  padding: clamp(18px, 2.6vw, 26px);
  display: grid;
  gap: 8px;
  min-width: 0;
  border-top: 2px solid transparent;
}

.page-products .version-item--current {
  background: var(--panel);
  border-top-color: var(--orange);
}

.page-products .version-year {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  color: var(--line);
  line-height: 1;
}

.page-products .version-item--current .version-year {
  color: var(--orange);
}

.page-products .version-name {
  color: var(--ink);
  font-size: .98rem;
}

.page-products .fit-layout {
  margin-block-start: clamp(26px, 3.6vw, 44px);
  display: grid;
  gap: var(--pp-gap);
}

.page-products .fit-block {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-radius);
  padding: clamp(20px, 3vw, 30px);
  min-width: 0;
}

.page-products .fit-block--accent {
  background: linear-gradient(160deg, var(--organic), var(--panel) 78%);
  border-color: var(--line);
}

.page-products .fit-heading {
  margin: 0;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--ink);
}

.page-products .fit-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .fit-list li {
  color: var(--muted);
  line-height: 1.75;
  font-size: .95rem;
  padding-inline-start: 18px;
  position: relative;
}

.page-products .fit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .fit-list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-products .metric-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .metric-list li {
  background: rgba(7, 13, 26, .55);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-products .metric-num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--cyan);
  line-height: 1;
}

.page-products .metric-list li:nth-child(even) .metric-num {
  color: var(--orange);
}

.page-products .metric-label {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.6;
}

/* ---------- 页面尾部行动 ---------- */

.page-products .prod-cta {
  margin-block-start: clamp(28px, 4vw, 48px);
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(22px, 3.4vw, 38px);
  border-radius: var(--pp-radius);
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(120deg, rgba(38, 242, 208, .09), rgba(255, 122, 26, .07) 60%, transparent),
    var(--panel);
}

.page-products .prod-cta-copy h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  color: var(--ink);
  line-height: 1.35;
}

.page-products .prod-cta-copy p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: .96rem;
}

.page-products .prod-cta-copy a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .ios-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 860px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr);
    align-items: end;
  }

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

  .page-products .step-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-products .ios-layout {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .sync-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-products .fit-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

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

@media (min-width: 1080px) {
  .page-products .module-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

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

  .page-products .module-card:nth-child(2) {
    grid-column: 8 / span 5;
    margin-block-start: 34px;
  }

  .page-products .module-card:nth-child(3) {
    grid-column: 1 / span 5;
    margin-block-start: -14px;
  }

  .page-products .module-card:nth-child(4) {
    grid-column: 6 / span 7;
  }

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

  .page-products .prod-cta-copy p {
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .module-card,
  .page-products .path-panel,
  .page-products .format-item {
    transition: none !important;
    animation: none !important;
  }
}