:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-2: #f9f7f0;
  --ink: #161a18;
  --muted: #646962;
  --faint: #8a8e86;
  --line: #ded8cb;
  --line-strong: #bfb7a6;
  --accent: #1f6f63;
  --accent-dark: #154c45;
  --accent-soft: #dfeee9;
  --blue: #3f678f;
  --blue-soft: #e4ebf3;
  --amber: #b98720;
  --amber-soft: #f5ebd5;
  --coral: #ba5d49;
  --coral-soft: #f1dfd9;
  --shadow: 0 26px 70px rgba(40, 36, 28, 0.11);
  --radius: 8px;
  --display: "Iowan Old Style", "Songti SC", "STSong", Georgia, serif;
  --body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-family: var(--body);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(31, 111, 99, 0.06) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(31, 111, 99, 0.05) 0 1px, transparent 1px 100%),
    var(--bg);
  background-size: 44px 44px;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  border: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-break: anywhere;
}

h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-family: var(--display);
  font-size: 54px;
  font-weight: 760;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 740;
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid rgba(222, 216, 203, 0.92);
  background: rgba(255, 253, 248, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
}

.brand-mark {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 44%, rgba(255, 253, 248, 0.95) 44% 56%, transparent 56%),
    linear-gradient(180deg, var(--accent) 0 50%, var(--amber) 50%);
  box-shadow: 0 0 0 5px rgba(31, 111, 99, 0.1);
}

.rail-nav {
  display: grid;
  gap: 6px;
}

.rail-nav a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
}

.rail-nav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.rail-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.rail-note span,
.eyebrow,
.card-kicker {
  display: block;
  color: var(--faint);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.rail-note strong {
  display: block;
  margin-top: 6px;
  color: var(--accent-dark);
  font-size: 15px;
}

.workspace {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 34px 32px 60px;
}

.hero-panel,
.section-grid,
.section-block,
.sources-band {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.94);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.42fr);
  gap: 30px;
  align-items: stretch;
  min-height: 460px;
  padding: 36px;
  background:
    linear-gradient(120deg, rgba(223, 238, 233, 0.92), rgba(255, 253, 248, 0.94) 48%),
    var(--surface);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
}

.lead {
  max-width: 760px;
  margin-bottom: 0;
  color: #343a36;
  font-size: 19px;
  line-height: 1.74;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-action,
.secondary-action,
.text-button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  font-weight: 820;
}

.primary-action,
.text-button {
  padding: 0 18px;
  color: #fffdf8;
  background: var(--accent-dark);
  box-shadow: 0 14px 24px rgba(21, 76, 69, 0.16);
}

.secondary-action {
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255, 253, 248, 0.82);
}

.text-link {
  min-height: 38px;
  color: var(--accent-dark);
  font-size: 14px;
}

.text-button {
  cursor: pointer;
}

.decision-card {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: 30px;
  border: 1px solid rgba(31, 111, 99, 0.2);
  border-radius: var(--radius);
  background: #fffdf8;
}

.decision-card p,
.section-intro,
.product-meta,
.product-copy,
.product-caution,
details p,
.source-links,
.strategy-list p,
.plan-card p {
  color: var(--muted);
  line-height: 1.65;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.kpi {
  min-height: 122px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.94);
}

.metric-value {
  display: block;
  color: var(--accent-dark);
  font-family: var(--display);
  font-size: 38px;
  font-weight: 780;
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.section-block {
  margin-top: 16px;
  padding: 30px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plan-card {
  min-width: 0;
  min-height: 210px;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.plan-card span,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

.plan-card.preferred {
  border-color: rgba(31, 111, 99, 0.36);
  background: linear-gradient(180deg, #fffdf8, #edf6f2);
}

.plan-card.value span,
.badge.verdict {
  color: #28496d;
  background: var(--blue-soft);
}

.plan-card.premium span,
.badge.stage {
  color: #6b3a2d;
  background: var(--coral-soft);
}

.plan-card h3 {
  margin-top: 16px;
}

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

.deal-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  min-height: 230px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.deal-card.hot {
  border-color: rgba(31, 111, 99, 0.34);
  background: linear-gradient(180deg, #fffdf8, #edf6f2);
}

.deal-card span {
  display: inline-flex;
  justify-self: start;
  min-height: 26px;
  padding: 0 9px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

.deal-card strong {
  color: var(--accent-dark);
  font-family: var(--display);
  font-size: 28px;
  line-height: 1;
}

.deal-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.deal-card small {
  color: var(--faint);
  font-weight: 760;
}

.deal-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: #fffdf8;
  font-size: 13px;
  font-weight: 850;
}

.view-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.view-tools select {
  min-height: 40px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-2);
}

.filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 14px;
}

.filter-chip {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
}

.filter-chip.active {
  color: #fffdf8;
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.summary-strip {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 54px;
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.summary-strip strong {
  color: var(--accent-dark);
  font-family: var(--display);
  font-size: 30px;
  line-height: 1;
}

.summary-strip span {
  color: var(--muted);
  line-height: 1.5;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-card {
  display: grid;
  gap: 14px;
  min-width: 0;
  min-height: 360px;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.96);
}

.product-card.bought {
  opacity: 0.72;
  background: #f3f2eb;
}

.product-topline {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge.default {
  color: #6c531c;
  background: var(--amber-soft);
}

.bought-toggle {
  display: inline-grid;
  grid-template-columns: 18px max-content;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.bought-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.product-meta {
  margin-bottom: 0;
  font-weight: 760;
}

.product-copy,
.product-caution {
  margin-bottom: 0;
}

.product-caution {
  padding: 12px 14px;
  border: 1px solid rgba(186, 93, 73, 0.18);
  border-radius: var(--radius);
  background: var(--coral-soft);
}

.deal-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(63, 103, 143, 0.24);
  border-radius: var(--radius);
  background: var(--blue-soft);
}

.deal-panel.hot {
  border-color: rgba(31, 111, 99, 0.28);
  background: var(--accent-soft);
}

.deal-panel span,
.deal-panel small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.4;
}

.deal-panel strong {
  display: block;
  margin: 3px 0;
  color: var(--accent-dark);
  font-size: 22px;
  line-height: 1;
}

.deal-panel a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: #fffdf8;
  font-size: 13px;
  font-weight: 850;
}

.buy-links,
.source-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.buy-links a,
.source-mini a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  max-width: 100%;
  min-height: 36px;
  padding: 0 11px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  border: 1px solid var(--line);
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 850;
}

details {
  align-self: end;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

summary {
  color: var(--accent-dark);
  cursor: pointer;
  font-weight: 850;
}

details p {
  margin: 10px 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(420px, 1fr);
  gap: 42px;
  align-items: start;
  margin-top: 16px;
  padding: 30px;
}

.strategy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.strategy-list article,
.watch-grid article {
  min-width: 0;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.strategy-list span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 9px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

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

.watch-grid strong {
  display: block;
  color: var(--accent-dark);
  line-height: 1.4;
}

.watch-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.55;
}

.stroller-band {
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.98), rgba(228, 235, 243, 0.78));
}

.stroller-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.62fr);
  gap: 16px;
  align-items: stretch;
  margin-bottom: 16px;
}

.stroller-summary p {
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface-2);
  line-height: 1.7;
}

.stroller-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stroller-stats div,
.stroller-card,
.stroller-decision div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.96);
}

.stroller-stats div {
  display: grid;
  align-content: center;
  min-height: 112px;
  padding: 14px;
}

.stroller-stats strong {
  color: var(--blue);
  font-family: var(--display);
  font-size: 34px;
  line-height: 1;
}

.stroller-stats span,
.stroller-card p,
.stroller-decision span {
  color: var(--muted);
  line-height: 1.55;
}

.stroller-stats span {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 760;
}

.stroller-price-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 18px 0 14px;
}

.stroller-price-head h3 {
  margin-bottom: 0;
}

.uppababy-focus {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(500px, 1fr);
  gap: 14px;
  margin: 14px 0;
}

.uppababy-verdict,
.uppababy-models article {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.96);
}

.uppababy-verdict {
  padding: 20px;
  background: linear-gradient(180deg, rgba(223, 238, 233, 0.86), rgba(255, 253, 248, 0.98));
}

.uppababy-verdict p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.uppababy-models {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.uppababy-models article {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 16px;
}

.uppababy-models span {
  width: fit-content;
  padding: 5px 9px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

.uppababy-models h4 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.28;
}

.uppababy-models strong {
  color: var(--accent-dark);
  font-size: 14px;
}

.uppababy-models p {
  margin: 0;
  color: var(--muted);
  line-height: 1.56;
}

.uppababy-models em {
  color: var(--ink);
  font-style: normal;
  font-weight: 820;
  line-height: 1.42;
}

.stroller-deal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.stroller-deal-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.96);
}

.stroller-deal-card.hot {
  border-color: rgba(31, 111, 99, 0.36);
  background: rgba(223, 238, 233, 0.68);
}

.stroller-deal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.stroller-deal-top span {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

.stroller-deal-top small,
.stroller-target small {
  color: var(--faint);
  font-size: 12px;
  font-weight: 760;
}

.stroller-deal-card h3 {
  margin-bottom: 0;
}

.stroller-deal-card strong {
  color: var(--accent-dark);
  font-family: var(--display);
  font-size: 32px;
  line-height: 1;
}

.stroller-deal-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.stroller-target {
  display: grid;
  gap: 4px;
  padding-top: 2px;
}

.stroller-target em {
  color: var(--ink);
  font-style: normal;
  font-weight: 820;
}

.stroller-deal-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--surface);
  font-size: 13px;
  font-weight: 850;
}

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

.stroller-card {
  padding: 18px;
}

.stroller-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 9px;
  border-radius: var(--radius);
  color: #28496d;
  background: var(--blue-soft);
  font-size: 12px;
  font-weight: 850;
}

.stroller-card p {
  margin-bottom: 0;
}

.stroller-decision {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.stroller-decision div {
  padding: 16px;
  background: var(--surface-2);
}

.stroller-decision strong {
  display: block;
  margin-bottom: 8px;
}

.stroller-links {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.sources-band {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1fr);
  gap: 40px;
  margin-top: 16px;
  padding: 30px;
}

.source-links {
  display: grid;
  gap: 10px;
}

.source-links a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--accent-dark);
  background: var(--surface-2);
  font-weight: 780;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: sticky;
    z-index: 20;
    flex-direction: row;
    align-items: center;
    min-height: 66px;
    padding: 12px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-nav {
    display: flex;
    gap: 4px;
    overflow-x: auto;
  }

  .rail-note {
    display: none;
  }

  .workspace {
    padding: 22px 20px 48px;
  }

  .hero-panel,
  .section-grid,
  .sources-band {
    grid-template-columns: 1fr;
  }

  .kpi-strip,
  .plan-grid,
  .deal-grid,
  .strategy-list,
  .watch-grid,
  .stroller-deal-grid,
  .stroller-grid,
  .stroller-decision {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stroller-summary {
    grid-template-columns: 1fr;
  }

  .uppababy-focus {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 42px;
  }
}

@media (max-width: 720px) {
  .rail {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: 104px;
    padding: 14px 16px;
  }

  .rail-nav {
    width: 100%;
  }

  .workspace {
    padding: 16px 16px 40px;
  }

  .hero-panel,
  .section-grid,
  .section-block,
  .sources-band {
    width: 100%;
    max-width: none;
    padding: 18px;
    overflow: visible;
  }

  .hero-panel {
    min-height: 0;
  }

  h1 {
    max-width: 300px;
    font-size: 34px;
    line-break: anywhere;
    word-break: break-all;
  }

  h2 {
    max-width: 300px;
    font-size: 25px;
    line-break: anywhere;
    word-break: break-all;
  }

  .lead {
    max-width: 300px;
    font-size: 17px;
    line-break: anywhere;
    word-break: break-all;
  }

  .decision-card,
  .decision-card p,
  .section-intro {
    max-width: 300px;
  }

  .kpi-strip,
  .plan-grid,
  .deal-grid,
  .product-grid,
  .strategy-list,
  .watch-grid,
  .stroller-summary,
  .stroller-stats,
  .stroller-price-head,
  .uppababy-focus,
  .uppababy-models,
  .stroller-deal-grid,
  .stroller-grid,
  .stroller-decision,
  .stroller-links,
  .sources-band {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .stroller-price-head {
    align-items: start;
    flex-direction: column;
  }

  .view-tools,
  .view-tools select {
    width: 100%;
  }

  .summary-strip {
    align-items: start;
    flex-direction: column;
  }

  .product-topline {
    flex-direction: column;
  }

  .deal-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .plan-card,
  .product-card {
    padding: 16px;
  }

  .buy-links a,
  .source-mini a {
    flex: 1 1 74px;
    text-align: center;
    white-space: normal;
  }
}