.page-products {
  --prod-soft: #EFE4D2;
  --prod-gap: clamp(20px, 3vw, 34px);
  --prod-r: 20px;
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-products .prod-lede {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding-top: clamp(16px, 2.5vw, 30px);
  padding-bottom: clamp(36px, 5.5vw, 68px);
  align-items: center;
}

.page-products .prod-hero__text::before {
  content: "";
  display: block;
  width: 68px;
  height: 6px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--season), var(--season-soft));
  margin-bottom: 20px;
}

.page-products .prod-hero h1 {
  font-size: clamp(2rem, 6.2vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: 0.03em;
  font-weight: 800;
  margin: 0.16em 0 0.5em;
  color: var(--ink);
}

.page-products .prod-hero .lede {
  max-width: 46ch;
  margin: 0;
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.page-products .prod-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .prod-hero__facts .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  text-align: left;
  margin: 0;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 18px 42px -30px rgba(21, 18, 14, 0.55);
}

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

@media (min-width: 920px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
}

/* ---------- 对照表 ---------- */

.page-products .prod-tables {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

@media (min-width: 1040px) {
  .page-products .prod-tables {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

.page-products .prod-table-wrap {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 430px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
}

.page-products .prod-table .col-fixture { width: 27%; }
.page-products .prod-table .col-type { width: 19%; }
.page-products .prod-table .col-time { width: 19%; }
.page-products .prod-table .col-code { width: 35%; }

.page-products .prod-table caption {
  caption-side: top;
  text-align: left;
  padding: 16px 18px 12px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 13px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .prod-table thead th {
  background: var(--paper-raised);
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .prod-table tbody th {
  background: var(--paper-raised);
  color: var(--ink);
  font-weight: 600;
}

.page-products .prod-table tbody tr:last-child th,
.page-products .prod-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .prod-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink);
}

.page-products .prod-table th:first-child,
.page-products .prod-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  box-shadow: 1px 0 0 var(--line);
}

/* ---------- 字段说明 ---------- */

.page-products .prod-fields {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

@media (min-width: 700px) {
  .page-products .prod-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-products .prod-fields {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }
}

.page-products .prod-field {
  padding: 22px 20px 24px;
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
}

.page-products .prod-field__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--brand);
  margin-bottom: 12px;
}

.page-products .prod-field h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .prod-field p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .prod-field__media {
  margin: 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  grid-column: 1 / -1;
}

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

/* ---------- 版本与差异 ---------- */

.page-products .prod-segmented {
  margin: clamp(22px, 3vw, 32px) 0 0;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border-radius: var(--pill);
  background: var(--paper-raised);
  border: 1px solid var(--line);
}

.page-products .prod-segmented button {
  appearance: none;
  border: 0;
  border-radius: var(--pill);
  padding: 10px 22px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .prod-segmented button[aria-selected="true"] {
  background: var(--paper);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-products .prod-segmented button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.page-products .prod-version {
  margin-top: 20px;
  padding: 22px 22px 24px;
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 4px solid var(--season);
}

.page-products .prod-version__note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-products .prod-version__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.page-products .prod-version__list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
}

.page-products .prod-diff {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(24px, 3.5vw, 40px);
}

@media (min-width: 960px) {
  .page-products .prod-diff {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-products .prod-diff__items {
  display: grid;
  gap: 12px;
}

.page-products .prod-diff__item {
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 16px 18px;
}

.page-products .prod-diff__item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--ink);
}

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

.page-products .prod-diff__item summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-products .prod-diff__q {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-products .prod-diff__item p {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .diff-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-products .diff-chip--add { border-color: var(--card-yellow); color: #7a5c00; }
.page-products .diff-chip--drop { border-color: var(--card-red); color: #8d1226; }
.page-products .diff-chip--time { border-color: var(--season); color: var(--ink); }

.page-products .prod-diff__media {
  margin: 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

/* ---------- 覆盖范围 ---------- */

.page-products .prod-coverage__grid {
  display: grid;
  gap: 1px;
  list-style: none;
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 0;
  border-radius: var(--prod-r);
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 620px) {
  .page-products .prod-coverage__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .prod-coverage__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .prod-coverage__cell {
  padding: 26px 22px 28px;
  background: var(--paper);
}

.page-products .prod-coverage__cell:nth-child(even) {
  background: var(--paper-raised);
}

.page-products .prod-coverage__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--brand);
  text-align: left;
  margin-bottom: 14px;
}

.page-products .prod-coverage__cell h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .prod-coverage__cell p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 订阅 ---------- */

.page-products .prod-subscribe__panels {
  margin-top: 20px;
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 24px 22px;
}

.page-products .prod-subscribe__panels [role="tabpanel"] h3 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .prod-subscribe__panels [role="tabpanel"] p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.74;
  color: var(--ink-soft);
  max-width: 60ch;
}

.page-products .prod-subscribe__panels [role="tabpanel"][hidden] {
  display: none;
}

.page-products .prod-timeline {
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: clamp(18px, 3vw, 30px) clamp(12px, 2vw, 26px) clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-products .prod-timeline__svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: var(--font-sans);
}

.page-products .tl-rail {
  stroke: var(--line-strong);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-products .tl-tick {
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .tl-dot {
  fill: var(--season);
}

.page-products .tl-dot--hollow {
  fill: var(--paper);
  stroke: var(--season);
  stroke-width: 3;
}

.page-products .tl-label {
  fill: var(--ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-anchor: middle;
}

.page-products .tl-sub {
  fill: var(--ink-muted);
  font-size: 13px;
  text-anchor: middle;
}

.page-products .prod-timeline figcaption {
  margin-top: 14px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-muted);
  text-align: center;
  max-width: 58ch;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 专题季 ---------- */

.page-products .prod-seasons__rail {
  list-style: none;
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 4px 2px 18px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-seasons__rail > li {
  flex: 0 0 min(286px, 76vw);
  scroll-snap-align: start;
}

.page-products .prod-season {
  height: 100%;
  padding: 24px 22px 26px;
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 6px solid var(--line-strong);
}

.page-products .prod-season--spring { border-top-color: var(--spring); }
.page-products .prod-season--summer { border-top-color: var(--summer); }
.page-products .prod-season--autumn { border-top-color: var(--autumn); }
.page-products .prod-season--winter { border-top-color: var(--winter); }

.page-products .prod-season__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--pill);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.page-products .prod-season h3 {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .prod-season p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .prod-seasons__foot {
  margin: 18px 0 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.page-products .prod-seasons__foot a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 场景 ---------- */

.page-products .prod-scenes__grid {
  display: grid;
  gap: var(--prod-gap);
  margin-top: clamp(24px, 3.5vw, 38px);
}

@media (min-width: 700px) {
  .page-products .prod-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .prod-scene {
  padding: 24px 22px 26px;
  border-radius: var(--prod-r);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--season-soft);
}

.page-products .prod-scene h3 {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-products .prod-scenes__media {
  margin: clamp(22px, 3.5vw, 38px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* ---------- 开始使用 ---------- */

.page-products .prod-start {
  padding-top: clamp(8px, 1.6vw, 18px);
}

.page-products .prod-start__steps {
  list-style: none;
  counter-reset: none;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--prod-gap);
}

@media (min-width: 760px) {
  .page-products .prod-start__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-start__steps li {
  position: relative;
  padding: 26px 22px 28px;
  border-radius: var(--prod-r);
  background: var(--paper-raised);
  border: 1px solid var(--line);
}

.page-products .prod-start__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--pill);
  background: var(--brand);
  color: var(--paper);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.page-products .prod-start__steps h3 {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .prod-start__steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-products .prod-start__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

@media (max-width: 480px) {
  .page-products .prod-hero__actions .btn,
  .page-products .prod-start__links .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-products .prod-segmented button {
    padding: 9px 16px;
    font-size: 0.86rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-segmented button {
    transition: none;
  }
}