.page-products {
  --prod-shadow: 0 18px 48px rgba(0, 0, 0, .45);
  --prod-gold-soft: rgba(201, 162, 39, .22);
  --prod-slot-morning: var(--gold-bright);
  --prod-slot-afternoon: var(--orange);
  --prod-slot-night: var(--violet);
  --prod-slot-late: var(--cyan);
  overflow-x: hidden;
}

.page-products .prod-head-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-products .prod-hero-copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .prod-hero-copy .lede {
  max-width: 36em;
  color: var(--paper);
  opacity: .86;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 14px 18px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .prod-hero-facts div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-products .prod-hero-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .prod-hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold-bright);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图框 ---------- */
.page-products .prod-figure {
  position: relative;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: linear-gradient(152deg, rgba(22, 51, 42, .9), rgba(7, 19, 15, .96));
  box-shadow: var(--prod-shadow);
}

.page-products .prod-figure::after {
  content: "";
  position: absolute;
  inset: 8px;
  pointer-events: none;
  background: radial-gradient(120% 80% at 100% 0%, rgba(79, 227, 210, .12), transparent 62%);
}

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

.page-products .prod-caption {
  position: relative;
  padding: 10px 4px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .prod-slots-banner {
  margin: 0 auto 30px;
  max-width: 760px;
}

/* ---------- 时段分段控件 ---------- */
.page-products .prod-period-tabs {
  display: flex;
  gap: 6px;
  margin: 0 0 26px;
  padding-bottom: 14px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-period-tabs::-webkit-scrollbar {
  display: none;
}

.page-products .tab.prod-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(14, 33, 27, .65);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .prod-tab--morning { --tab-tone: var(--prod-slot-morning); }
.page-products .prod-tab--afternoon { --tab-tone: var(--prod-slot-afternoon); }
.page-products .prod-tab--night { --tab-tone: var(--prod-slot-night); }
.page-products .prod-tab--late { --tab-tone: var(--prod-slot-late); }

.page-products .prod-tab .prod-tab-time {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.page-products .tab.prod-tab:hover:not([aria-selected="true"]) {
  border-color: var(--tab-tone, var(--cyan));
  color: var(--tab-tone, var(--cyan));
}

.page-products .tab.prod-tab[aria-selected="true"] {
  background: var(--tab-tone, var(--gold-bright));
  border-color: var(--tab-tone, var(--gold-bright));
  color: var(--ink-900);
}

.page-products .tab.prod-tab[aria-selected="true"] .prod-tab-time {
  color: rgba(7, 19, 15, .72);
}

.page-products .tab.prod-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 时段面板与表格 ---------- */
.page-products .prod-panel--morning { --panel-tone: var(--prod-slot-morning); }
.page-products .prod-panel--afternoon { --panel-tone: var(--prod-slot-afternoon); }
.page-products .prod-panel--night { --panel-tone: var(--prod-slot-night); }
.page-products .prod-panel--late { --panel-tone: var(--prod-slot-late); }

.page-products .prod-panel + .prod-panel {
  margin-top: 46px;
  padding-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 14px;
  padding: 6px 0 6px 14px;
  border-left: 3px solid var(--panel-tone);
}

.page-products .prod-panel-head h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .prod-panel-window {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--panel-tone);
}

.page-products .prod-panel-note {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  background: rgba(7, 19, 15, .55);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .prod-table th {
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--gold-bright);
  background: var(--felt);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-table td {
  padding: 14px;
  vertical-align: top;
  line-height: 1.65;
  color: var(--paper);
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-products .prod-table tbody tr:hover td {
  background: rgba(79, 227, 210, .055);
}

.page-products .prod-table tbody tr:hover td:first-child {
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .prod-table td:first-child {
  font-weight: 500;
  color: var(--gold-bright);
  white-space: nowrap;
}

.page-products .prod-table .prod-spec {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: -.01em;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .prod-table--versions {
  min-width: 700px;
}

.page-products .prod-table--versions td:nth-child(3),
.page-products .prod-table--versions td:nth-child(4) {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .prod-versions-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-versions-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 210, .4);
}

/* ---------- 四时段对比 ---------- */
.page-products .prod-slotgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .prod-slotcard {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--slot-tone, var(--gold));
  background: linear-gradient(172deg, rgba(22, 51, 42, .78), rgba(7, 19, 15, .9));
  overflow: hidden;
}

.page-products .prod-slotcard::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--slot-tone, var(--gold)), transparent 68%);
  opacity: .16;
  pointer-events: none;
}

.page-products .prod-slotcard--morning { --slot-tone: var(--prod-slot-morning); }
.page-products .prod-slotcard--afternoon { --slot-tone: var(--prod-slot-afternoon); }
.page-products .prod-slotcard--night { --slot-tone: var(--prod-slot-night); }
.page-products .prod-slotcard--late { --slot-tone: var(--prod-slot-late); }

.page-products .prod-slotcard h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .prod-slot-window {
  margin: 6px 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--slot-tone, var(--gold));
  font-variant-numeric: tabular-nums;
}

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

.page-products .prod-slot-list div {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-slot-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prod-slot-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .prod-slot-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .prod-diff-media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 38px;
}

/* ---------- 安装步骤 ---------- */
.page-products .prod-install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .prod-install-grid .prose {
  margin: 0 0 16px;
  color: var(--paper);
  opacity: .84;
}

.page-products .prod-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .prod-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 13px;
  height: 2px;
  background: var(--cyan);
}

.page-products .prod-steps {
  counter-reset: prodstep;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-steps li {
  counter-increment: prodstep;
  position: relative;
  padding: 20px 0 20px 54px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

.page-products .prod-steps li::before {
  content: counter(prodstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 打印版 ---------- */
.page-products .prod-print-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-products .prod-print-grid .prose {
  margin: 0 0 20px;
  color: var(--paper);
  opacity: .84;
}

.page-products .prod-print-fields {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-print-fields div {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-print-fields dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .prod-print-fields dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .prod-print-tip {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收藏路径 ---------- */
.page-products .prod-save-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 30px 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(22, 51, 42, .92), rgba(7, 19, 15, .96)),
    radial-gradient(90% 70% at 100% 0%, rgba(154, 107, 255, .16), transparent 70%);
  box-shadow: var(--prod-shadow);
}

.page-products .prod-save-copy .prose {
  margin: 0;
  max-width: 34em;
  color: var(--paper);
  opacity: .86;
}

.page-products .prod-save-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prod-collect[data-saved="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-products .prod-save-list {
  padding: 20px;
  border: 1px solid var(--line-soft);
  background: rgba(7, 19, 15, .5);
}

.page-products .prod-save-list-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-products .prod-save-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-save-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-save-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prod-save-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-save-list a {
  flex: 1 1 auto;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .prod-save-list a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(79, 227, 210, .45);
}

.page-products .prod-save-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  padding: 3px 8px;
  border: 1px solid var(--line);
  color: var(--gold-bright);
  white-space: nowrap;
}

.page-products .prod-save-hint {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-save-hint kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 6px;
  border: 1px solid var(--line-soft);
  background: rgba(22, 51, 42, .8);
  color: var(--paper);
}

.page-products .prod-path-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .prod-path-chain .path-link {
  color: var(--cyan);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(79, 227, 210, .35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .prod-path-chain .path-link:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

.page-products .prod-path-chain .path-arrow {
  color: var(--gold);
  font-family: var(--font-mono);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-save-panel {
    padding: 38px 32px;
  }
}

@media (min-width: 760px) {
  .page-products .prod-slotgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .prod-diff-media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 24px;
  }

  .page-products .prod-print-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
  }

  .page-products .prod-hero-figure {
    align-self: center;
  }
}

@media (min-width: 960px) {
  .page-products .prod-install-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 56px;
  }

  .page-products .prod-save-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    padding: 44px 40px;
  }
}

@media (min-width: 1100px) {
  .page-products .prod-slotgrid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-table td,
  .page-products .tab.prod-tab,
  .page-products .prod-save-list a,
  .page-products .prod-path-chain .path-link {
    transition-duration: 1ms;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-products .prod-figure,
  .page-products .prod-hero-actions,
  .page-products .prod-period-tabs,
  .page-products .prod-save-actions,
  .page-products .prod-path-chain,
  .page-products .prod-versions-note,
  .page-products .prod-save-hint {
    display: none !important;
  }

  .page-products .prod-table-wrap {
    overflow: visible;
    border-color: #999;
  }

  .page-products .prod-table {
    min-width: 0;
  }

  .page-products .prod-table th {
    background: #fff !important;
    color: #000 !important;
    border-bottom: 1px solid #000;
  }

  .page-products .prod-table td,
  .page-products .prod-table td:first-child,
  .page-products .prod-table .prod-spec,
  .page-products .prod-slotcard h3,
  .page-products .prod-slot-window,
  .page-products .prod-slot-list dt,
  .page-products .prod-slot-list dd {
    color: #000 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  .page-products .prod-slotcard,
  .page-products .prod-save-panel {
    background: #fff !important;
    box-shadow: none !important;
    border: 1px solid #999;
  }

  .page-products .prod-slotcard::after {
    display: none;
  }
}