.page-products {
  --pp-width: 1160px;
  --pp-gutter: 16px;
  padding-bottom: 72px;
  background: var(--cream);
}

.page-products .pp-wrap {
  width: calc(100% - var(--pp-gutter) * 2);
  max-width: var(--pp-width);
  margin: 0 auto;
}

.page-products .breadcrumb {
  padding-top: 18px;
  margin-bottom: 10px;
}

/* ---------- 首屏框景 ---------- */
.page-products .app-hero {
  position: relative;
  width: calc(100% - var(--pp-gutter) * 2);
  max-width: var(--pp-width);
  margin: 6px auto 34px;
  padding: 26px 20px 30px;
  overflow: hidden;
  background:
    radial-gradient(120% 105% at 100% 0%, var(--red-soft) 0%, rgba(251, 247, 240, 0) 62%),
    var(--cream);
}

.page-products .app-hero-grid {
  display: grid;
  gap: 26px;
}

.page-products .app-hero-copy h1 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .app-hero-copy .lede {
  max-width: 620px;
  font-size: 18px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .app-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .app-hero-actions .btn {
  min-height: 52px;
  font-size: 20px;
}

.page-products .app-hero-hand {
  margin-top: 18px;
  font-size: 18px;
  color: var(--red-deep);
  transform: rotate(-1.6deg);
}

.page-products .qr-figure {
  margin: 0;
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.page-products .qr-figure img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-products .qr-figure .media-caption {
  margin-top: 10px;
  text-align: center;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* 复制反馈 */
.page-products .copy-btn[data-copied]::after {
  content: "已复制";
}
.page-products .copy-btn[data-copied] .copy-label {
  display: none;
}

/* ---------- 索引带 ---------- */
.page-products .index-band {
  margin-bottom: 30px;
}

/* ---------- 章节 ---------- */
.page-products .chapter {
  position: relative;
  margin-bottom: 26px;
  padding: 30px 20px 34px;
  border-radius: var(--radius-lg);
}

.page-products .chapter-num {
  position: absolute;
  top: 10px;
  right: 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(64px, 16vw, 120px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--red-soft);
  opacity: 0.75;
  pointer-events: none;
}

.page-products .chapter-title {
  position: relative;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 5.2vw, 36px);
  line-height: 1.3;
  color: var(--ink);
  max-width: 760px;
}

.page-products .chapter-lead {
  max-width: 720px;
  margin-top: 14px;
  font-size: 18px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 01 设备适配 ---------- */
.page-products .adapt-grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .adapt-photo {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--line);
}

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

.page-products .adapt-photo .media-caption {
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: #fff;
}

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

.page-products .adapt-list li {
  position: relative;
  padding: 14px 16px 14px 40px;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .adapt-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}

.page-products .adapt-list strong {
  display: block;
  font-weight: 900;
  color: var(--red-deep);
  margin-bottom: 2px;
}

.page-products .note {
  margin-top: 16px;
  padding: 12px 16px;
  border-left: 5px solid var(--gold);
  border-radius: var(--radius-sm);
  background: var(--gold-soft);
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 02 版本刻度带 ---------- */
.page-products .version-band {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0 2px 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .version-node {
  position: relative;
  flex: 0 0 80%;
  scroll-snap-align: start;
  padding: 20px 16px 18px;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.page-products .version-node::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 999px 999px 0 0;
  background: var(--teal-soft);
}

.page-products .version-node--current {
  background: linear-gradient(180deg, #fff 0%, var(--red-soft) 180%);
  border-color: var(--red);
}

.page-products .version-node--current::before {
  background: var(--red);
}

.page-products .version-flag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 15px;
  font-weight: 700;
}

.page-products .version-node--current .version-flag {
  background: var(--red-soft);
  color: var(--red-deep);
}

.page-products .version-no {
  display: block;
  margin: 10px 0 2px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 46px);
  line-height: 1.05;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-products .version-time {
  display: block;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-products .version-node p {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .version-foot {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-products .version-photo {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--line);
  background: #fff;
}

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

.page-products .version-photo .media-caption {
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .version-note {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--teal-soft);
}

.page-products .version-note p {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 03 同页分栏 ---------- */
.page-products .split-grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-products .phone-mock {
  max-width: 292px;
  margin: 0 auto;
  padding: 11px;
  border: 3px solid var(--ink);
  border-radius: 38px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.page-products .phone-mock img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 27px;
  object-fit: cover;
}

.page-products .split-hand {
  margin-top: 14px;
  text-align: center;
  font-size: 17px;
  color: var(--teal);
  transform: rotate(1.4deg);
}

.page-products .split-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.page-products .split-chip {
  padding: 10px 20px;
  border-radius: var(--pill);
  border: 2px solid var(--line);
  background: #fff;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-soft);
}

.page-products .split-chip--on {
  border-color: var(--red);
  background: var(--red);
  color: #fff;
}

.page-products .split-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .split-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 18px;
  line-height: 1.74;
  color: var(--ink);
}

.page-products .split-dot {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--teal);
}

.page-products .split-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-products .split-actions .btn {
  min-height: 52px;
  font-size: 20px;
}

/* ---------- 04 项目清单 ---------- */
.page-products .check-groups {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .check-group {
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.page-products .check-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 900;
  color: var(--ink);
}

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

.page-products .check-item {
  border-radius: var(--radius-sm);
}

.page-products .check-item label {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--cream);
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
}

.page-products .check-item input {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  accent-color: var(--teal);
  cursor: pointer;
}

.page-products .check-item:has(input:checked) label {
  background: var(--red-soft);
  color: var(--red-deep);
  font-weight: 700;
}

.page-products .check-note {
  border-left-color: var(--teal);
  background: var(--teal-soft);
}

/* ---------- 05 安装三步 ---------- */
.page-products .steps {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .step-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.page-products .step-card:nth-child(2) {
  border-color: var(--teal);
}

.page-products .step-card:nth-child(3) {
  border-color: var(--gold);
}

.page-products .step-num {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(48px, 12vw, 68px);
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--red);
}

.page-products .step-card:nth-child(2) .step-num {
  color: var(--teal);
}

.page-products .step-card:nth-child(3) .step-num {
  color: #B8791A;
}

.page-products .step-title {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  color: var(--ink);
}

.page-products .step-text {
  margin: 0;
  font-size: 18px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 06 运行环境 ---------- */
.page-products .env-grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-products .env-block {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--paper);
}

.page-products .env-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 21px;
  color: var(--ink);
}

.page-products .env-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .env-list li {
  position: relative;
  padding-left: 26px;
  font-size: 17px;
  line-height: 1.72;
  color: var(--ink);
}

.page-products .env-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--teal);
}

.page-products .env-photo {
  margin: 24px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--line);
  background: #fff;
}

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

.page-products .env-photo .media-caption {
  padding: 10px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .env-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .env-links .btn {
  min-height: 52px;
  font-size: 20px;
}

/* ---------- 状态面板与收尾 ---------- */
.page-products .status-panel {
  margin-top: 6px;
  padding: 22px 20px;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}

.page-products .status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  border-bottom: 1px dashed var(--line);
  font-size: 18px;
}

.page-products .status-row:last-of-type {
  border-bottom: 0;
}

.page-products .status-label {
  color: var(--ink);
}

.page-products .status-value {
  margin-left: auto;
  font-weight: 700;
  color: var(--teal);
}

.page-products .status-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.page-products .status-actions .btn {
  min-height: 52px;
  font-size: 20px;
}

.page-products .closing-hand {
  margin: 26px 0 0;
  text-align: center;
  font-family: var(--font-accent);
  font-size: 22px;
  color: var(--red-deep);
  transform: rotate(-1.2deg);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products {
    --pp-gutter: 24px;
  }

  .page-products .app-hero {
    padding: 34px 30px 38px;
  }

  .page-products .chapter {
    padding: 36px 30px 40px;
  }

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

  .page-products .env-grid,
  .page-products .version-foot {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .app-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 34px;
  }

  .page-products .adapt-grid {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .page-products .split-grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
    gap: 34px;
  }

  .page-products .phone-mock {
    max-width: 320px;
  }

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

  .page-products .check-group:first-child {
    grid-column: 1 / -1;
  }

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

  .page-products .step-card:nth-child(2) {
    transform: translateY(-18px);
  }

  .page-products .version-band {
    overflow: visible;
    gap: 18px;
    padding-bottom: 0;
  }

  .page-products .version-node {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .app-hero-hand,
  .page-products .split-hand,
  .page-products .closing-hand,
  .page-products .step-card {
    transform: none;
  }
}
<<<END>>>