.page-products {
  --p-border: 2px solid var(--line);
  --p-shadow: 8px 8px 0 var(--ink-deep);
  --p-shadow-sm: 5px 5px 0 var(--ink-deep);
  padding: 20px 0 72px;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(55, 226, 198, 0.045) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(36, 84, 70, 0.1) 0 1px, transparent 1px 84px);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .section {
  margin-bottom: 56px;
}

.page-products .chapter {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 0 14px;
}

.page-products .chapter-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 0.86;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
}

.page-products .chapter-title {
  margin: 3px 0 0;
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .chapter-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .lede {
  max-width: 62ch;
  margin: 0 0 18px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-products .muted {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-products a {
  color: var(--cyan);
}

/* ---------- 首屏框景 ---------- */
.page-products .apps-hero {
  position: relative;
  margin-bottom: 44px;
  border: var(--p-border);
  background: var(--panel-2);
  box-shadow: var(--p-shadow);
}

.page-products .apps-hero::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}

.page-products .apps-hero-top {
  position: relative;
  z-index: 1;
  padding: 26px 20px 20px;
  border-bottom: 1px solid var(--line);
}

.page-products .apps-hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-products .apps-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 29px;
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-products .apps-hero h1 em {
  font-style: normal;
  color: var(--cyan);
  background: linear-gradient(180deg, transparent 64%, rgba(55, 226, 198, 0.22) 64%);
}

.page-products .apps-hero-top .lede {
  margin: 0;
  font-size: 15px;
}

.page-products .apps-hero-bottom {
  position: relative;
  z-index: 1;
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .apps-hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 10px;
}

.page-products .apps-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 10px;
  border-left: 2px solid var(--line);
}

.page-products .apps-stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-products .apps-stat-label {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-products .apps-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .apps-hero-actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* ---------- 筛选条 ---------- */
.page-products .apps-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-products .apps-filter .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 三端入口卡 ---------- */
.page-products .device-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.page-products .device-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: var(--p-border);
  background: var(--panel);
  box-shadow: var(--p-shadow-sm);
}

.page-products .device-card--focus {
  border-color: var(--cyan-deep);
  background: linear-gradient(180deg, rgba(55, 226, 198, 0.09), var(--panel) 62%);
}

.page-products .device-screen {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  padding: 12px 10px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background:
    linear-gradient(155deg, rgba(55, 226, 198, 0.14), rgba(7, 22, 18, 0.94) 62%),
    var(--ink-deep);
}

.page-products .device-screen .slot {
  display: block;
  flex: 1;
  height: 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(36, 84, 70, 0.35);
}

.page-products .device-screen .slot--1 {
  flex: 0 0 22%;
  height: 44px;
}

.page-products .device-screen .slot--focus {
  border-color: var(--cyan);
  background: rgba(55, 226, 198, 0.32);
  box-shadow: 0 0 0 2px rgba(55, 226, 198, 0.18);
  height: 28px;
}

.page-products .device-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .device-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .device-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .device-tags,
.page-products .zone-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .device-tags .tag,
.page-products .zone-tags .tag {
  font-size: 11px;
}

.page-products .map-figure,
.page-products .zone-figure,
.page-products .tablet-media,
.page-products .step-figure,
.page-products .release-figure {
  margin: 0;
}

.page-products .map-figure .media,
.page-products .zone-figure .media,
.page-products .step-figure .media,
.page-products .release-figure .media,
.page-products .tablet-media .media {
  border: var(--p-border);
  box-shadow: var(--p-shadow-sm);
  background: var(--ink-deep);
}

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

.page-products .media-cap {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 10px;
  border-left: 2px solid var(--line);
}

/* ---------- 分区网格 ---------- */
.page-products .zone-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .zone-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: var(--panel-2);
  transition: border-left-color 120ms var(--ease), transform 120ms var(--ease);
}

.page-products .zone-card:hover,
.page-products .zone-card:focus-within {
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.page-products .zone-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .zone-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 平板图解 ---------- */
.page-products .tablet-figure {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .tablet-steps > p:first-child {
  margin-top: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .insight-list {
  list-style: none;
  counter-reset: insight;
  margin: 18px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .insight-list li {
  position: relative;
  padding-left: 46px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .insight-list li::before {
  counter-increment: insight;
  content: counter(insight, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 3px 6px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  line-height: 1;
}

.page-products .insight-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
}

/* ---------- 四步配置 ---------- */
.page-products .step-figure {
  margin-bottom: 22px;
}

.page-products .step-tree {
  display: flex;
  flex-direction: column;
}

.page-products .step-node {
  position: relative;
  margin-left: 8px;
  padding-left: 24px;
  border-left: 2px solid var(--line);
}

.page-products .step-node:last-child {
  border-left-color: transparent;
}

.page-products .step-node::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 19px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
  z-index: 1;
}

.page-products .step-node[open]::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(55, 226, 198, 0.16);
}

.page-products .step-node > summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .step-node > summary::-webkit-details-marker {
  display: none;
}

.page-products .step-node > summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
}

.page-products .step-node[open] > summary::after {
  content: "–";
}

.page-products .step-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .step-name {
  flex: 1 1 auto;
}

.page-products .step-node .fold-body {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .step-node .fold-body p {
  margin: 0 0 10px;
  max-width: 62ch;
}

.page-products .step-done {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid var(--cyan);
  background: rgba(55, 226, 198, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

/* ---------- 版本记录 ---------- */
.page-products .release-figure {
  margin-bottom: 22px;
}

.page-products .release-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-products .release-item {
  position: relative;
  padding: 14px 14px 14px 20px;
  border-left: 1px solid var(--line);
}

.page-products .release-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-products .release-item--current {
  border-left: 3px solid var(--cyan);
  background: rgba(55, 226, 198, 0.07);
}

.page-products .release-item--current::before {
  background: var(--cyan);
}

.page-products .release-title {
  margin: 8px 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .release-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 60ch;
}

/* ---------- 自查 ---------- */
.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .check-list li {
  display: flex;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-products .check-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--coral);
  padding: 2px 6px;
  border: 1px solid rgba(226, 104, 79, 0.5);
  line-height: 1.2;
  height: fit-content;
}

.page-products .check-list h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .check-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */
.page-products .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: var(--p-border);
  background: var(--panel);
  box-shadow: var(--p-shadow-sm);
  text-decoration: none;
  transition: transform 120ms var(--ease), box-shadow 120ms var(--ease), border-color 120ms var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink-deep);
  border-color: var(--cyan-deep);
}

.page-products .next-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .next-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .next-body {
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .next-go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products {
    padding-top: 28px;
  }

  .page-products .apps-hero-top {
    padding: 32px 28px 24px;
  }

  .page-products .apps-hero-bottom {
    padding: 22px 28px 28px;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .page-products .apps-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    flex: 1 1 auto;
  }

  .page-products .apps-hero-actions {
    flex: 0 0 auto;
  }

  .page-products .apps-hero-actions .btn {
    flex: 0 0 auto;
  }

  .page-products .apps-hero h1 {
    font-size: 34px;
  }

  .page-products .chapter-num {
    font-size: 52px;
  }

  .page-products .chapter-title {
    font-size: 26px;
  }

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

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

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

@media (min-width: 960px) {
  .page-products {
    padding: 36px 0 96px;
  }

  .page-products .apps-hero {
    margin-bottom: 64px;
  }

  .page-products .apps-hero h1 {
    font-size: 42px;
    max-width: 24ch;
  }

  .page-products .apps-hero-top .lede {
    font-size: 16px;
    max-width: 56ch;
  }

  .page-products .section {
    margin-bottom: 76px;
  }

  .page-products .chapter-num {
    font-size: 72px;
  }

  .page-products .chapter-title {
    font-size: 32px;
  }

  .page-products .device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .zone-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .tablet-figure {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-products .step-tree {
    margin-left: 0;
    padding-left: 8px;
  }

  .page-products .step-node {
    padding-left: 30px;
  }

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

  .page-products .release-list {
    padding-left: 6px;
  }

  .page-products .apps-hero-stats li {
    padding-left: 14px;
  }
}

@media (min-width: 1200px) {
  .page-products .apps-hero-top {
    padding: 44px 36px 30px;
  }

  .page-products .apps-hero-bottom {
    padding: 26px 36px 32px;
  }

  .page-products .apps-hero h1 {
    font-size: 48px;
  }

  .page-products .apps-stat-num {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .zone-card,
  .page-products .next-card {
    transition: none;
  }

  .page-products .zone-card:hover,
  .page-products .zone-card:focus-within,
  .page-products .next-card:hover,
  .page-products .next-card:focus-visible {
    transform: none;
  }
}