.page-products {
  --pp-gap: clamp(20px, 3vw, 34px);
  --pp-mono-line: 1.35;
}

.page-products .section__head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-products h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .body-text {
  margin: 0;
  max-width: 40ch;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- 首屏 ---------- */
.page-products .app-hero {
  padding-block: clamp(24px, 4vw, 52px) clamp(28px, 4vw, 56px);
}

.page-products .hero-grid {
  display: grid;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .hero-title {
  margin: 10px 0 18px;
  font-size: clamp(36px, 7.2vw, 76px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.025em;
}

.page-products .hero-title em {
  font-style: normal;
  color: var(--cyan);
}

.page-products .hero-lead {
  margin: 0 0 24px;
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.page-products .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 3px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .hero-status {
  margin-top: 20px;
}

.page-products .hero-status .status-strip__item {
  font-size: 12px;
}

.page-products .device__frame {
  padding: 10px;
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  transform: rotate(-1.5deg);
}

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

.page-products .device__caption {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-products .slash-band {
  height: 12px;
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
  background: repeating-linear-gradient(45deg, var(--line) 0 6px, transparent 6px 15px);
  margin-block: clamp(18px, 3vw, 34px);
}

/* ---------- 平台与版本 ---------- */
.page-products .platform-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .segmented {
  margin-bottom: 20px;
}

.page-products [data-segmented-panel][hidden] {
  display: none;
}

.page-products .segmented__panel + .segmented__panel {
  margin-top: 24px;
}

.page-products .spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .spec-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .spec-table th,
.page-products .spec-table td {
  padding: 13px 10px 13px 0;
  border-bottom: 2px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.page-products .spec-table th {
  width: 38%;
  font-weight: 500;
  color: var(--ink-soft);
}

.page-products .spec-table td {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  line-height: var(--pp-mono-line);
}

.page-products .version-card {
  padding: 22px;
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .version-card__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-products .version-card__num {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 5vw, 54px);
  line-height: 1;
  color: var(--cyan);
}

.page-products .version-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-products .version-list > div {
  padding-top: 10px;
  border-top: 2px solid var(--line);
}

.page-products .version-list dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-products .version-list dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.page-products .version-card__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

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

/* ---------- 三步路径 ---------- */
.page-products .step-links {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .step-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .step-link:hover,
.page-products .step-link:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--line);
}

.page-products .step-link__num {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--cyan);
}

.page-products .step-shots {
  display: grid;
  gap: 18px;
}

.page-products .step-shot {
  margin: 0;
  padding: 10px;
  border: 3px solid var(--line);
  background: var(--panel);
  scroll-margin-top: 96px;
}

.page-products .step-shot:target {
  border-color: var(--cyan);
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .step-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(200px, 32vw, 300px);
  object-fit: cover;
  object-position: top center;
}

.page-products .step-shot figcaption {
  padding: 12px 2px 2px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ---------- 收藏与提醒 ---------- */
.page-products .remind-grid {
  display: grid;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .remind-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

.page-products .remind-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding-top: 14px;
  border-top: 3px solid var(--line);
}

.page-products .remind-item__num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--orange);
}

.page-products .remind-item h3 {
  margin: 0 0 5px;
  font-size: 18px;
  font-weight: 800;
}

.page-products .remind-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 跨设备通栏 ---------- */
.page-products .sync-band {
  padding-block: clamp(28px, 5vw, 60px);
}

.page-products .sync-title {
  margin: 0 0 clamp(16px, 2.5vw, 26px);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .sync-band figure {
  margin: 0;
}

.page-products .sync-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-products .sync-band figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ---------- 新版通道 ---------- */
.page-products .channel-grid {
  display: grid;
  gap: var(--pp-gap);
  align-items: center;
}

.page-products .channel-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 14px;
  margin: 22px 0 22px;
}

.page-products .stat {
  padding: 16px;
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard-sm);
}

.page-products .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-products .stat__num small {
  margin-left: 3px;
  font-size: 0.42em;
  color: var(--ink-soft);
}

.page-products .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .channel-chart img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

/* ---------- 权限反白带 ---------- */
.page-products .perm-band {
  margin-block: clamp(24px, 4vw, 56px);
  padding-block: clamp(34px, 5vw, 68px);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
  background: var(--light);
  color: var(--panel);
}

.page-products .perm-band .eyebrow {
  color: var(--panel);
  letter-spacing: 0.2em;
}

.page-products .perm-band h2 {
  color: var(--panel);
}

.page-products .perm-band .body-text,
.page-products .perm-lead {
  color: rgba(11, 27, 58, 0.78);
}

.page-products .perm-grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-products .perm-item {
  padding-top: 14px;
  border-top: 3px solid var(--panel);
}

.page-products .perm-item h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--panel);
}

.page-products .perm-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(11, 27, 58, 0.78);
}

/* ---------- 自查清单 ---------- */
.page-products .checks {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .check {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 3px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-products .check:hover {
  border-color: var(--cyan-deep);
}

.page-products .check input {
  appearance: none;
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin: 2px 0 0;
  border: 3px solid var(--cyan);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-products .check input:checked {
  background: var(--cyan);
  box-shadow: inset 0 0 0 4px var(--panel);
}

.page-products .check input:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products .check strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .check span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 收尾行动带 ---------- */
.page-products .closing {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-block: clamp(28px, 5vw, 64px);
  padding: clamp(20px, 3vw, 30px);
  border: 3px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .closing p {
  margin: 0;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.4;
}

.page-products .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-products .step-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .perm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 32px;
  }

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

  .page-products .closing {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .closing p {
    max-width: 26ch;
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .platform-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .version-card {
    position: sticky;
    top: 24px;
  }

  .page-products .remind-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .channel-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1200px) {
  .page-products .device__frame {
    transform: rotate(-2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step-link,
  .page-products .check,
  .page-products .check input {
    transition: none;
  }

  .page-products .device__frame {
    transform: none;
  }
}