:root {
  --bg: #f3ede2;
  --bg-alt: #fcf8f1;
  --surface: rgba(255, 250, 243, 0.8);
  --surface-strong: rgba(255, 252, 247, 0.94);
  --surface-tint: rgba(242, 247, 242, 0.78);
  --ink: #183127;
  --ink-soft: #53655d;
  --ink-muted: #71827a;
  --line: rgba(24, 49, 39, 0.12);
  --accent: #2e7356;
  --accent-strong: #1b4f3c;
  --accent-soft: rgba(46, 115, 86, 0.11);
  --warm: #b78642;
  --shadow: 0 22px 60px rgba(20, 37, 30, 0.12);
  --shadow-soft: 0 14px 34px rgba(20, 37, 30, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 999px;
  --container: min(1120px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.84), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(208, 183, 116, 0.16), transparent 18%),
    linear-gradient(180deg, #deebdf 0%, var(--bg) 28%, #f7f0e6 100%);
  position: relative;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
}

body::before {
  top: 14%;
  right: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 115, 86, 0.12), transparent 68%);
  filter: blur(8px);
}

body::after {
  left: -120px;
  bottom: 12%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 134, 66, 0.1), transparent 68%);
  filter: blur(10px);
}

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

p,
li {
  font-size: 17px;
  line-height: 1.8;
}

.container {
  width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  padding: 28px 0 72px;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(53, 113, 84, 0.3), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(216, 171, 93, 0.25), transparent 22%),
    linear-gradient(135deg, rgba(255, 250, 244, 0.8), rgba(241, 234, 220, 0.28));
  pointer-events: none;
}

.nav,
.hero__layout,
.hero__content,
.hero__panel {
  position: relative;
  z-index: 1;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 14px 18px;
  margin-bottom: 34px;
  border: 1px solid rgba(24, 49, 39, 0.08);
  border-radius: 22px;
  background: rgba(255, 251, 245, 0.68);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.nav__brand {
  display: inline-grid;
  gap: 2px;
}

.nav__brand-main {
  font-size: 20px;
  font-weight: 600;
}

.nav__brand-sub {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.nav__meta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav__badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 13px;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 15px;
}

.nav__links a {
  position: relative;
  transition: color 180ms ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-strong), rgba(46, 115, 86, 0));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.nav__links a:hover {
  color: var(--ink);
}

.nav__links a:hover::after {
  transform: scaleX(1);
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, 0.72fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 140px);
}

.hero__content {
  max-width: 760px;
  padding: 18px 8px 18px 0;
  animation: fade-up 720ms ease both;
}

.hero__panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.82), rgba(245, 250, 245, 0.7)),
    rgba(255, 251, 245, 0.68);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: fade-up 860ms ease both;
  animation-delay: 120ms;
}

.hero__panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-strong), var(--warm));
}

.hero__panel::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: -36px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 134, 66, 0.14), transparent 68%);
}

.hero__panel-label,
.eyebrow,
.section__label,
.highlight__title,
.note__title {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 1px;
  background: rgba(46, 115, 86, 0.35);
}

.hero__stats {
  display: grid;
  gap: 18px;
}

.stat {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(25, 48, 40, 0.1);
}

.stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.stat strong {
  font-size: 28px;
  font-weight: 600;
}

.stat span {
  color: var(--ink-soft);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
}

h1 {
  font-size: clamp(52px, 8vw, 96px);
  line-height: 1.02;
  max-width: 10ch;
  text-wrap: balance;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.15;
  margin-bottom: 18px;
  text-wrap: balance;
  max-width: 12ch;
}

h3 {
  font-size: 26px;
  margin-bottom: 12px;
}

.hero__lead {
  max-width: 660px;
  margin: 24px 0 0;
  font-size: clamp(19px, 2vw, 24px);
  color: var(--ink-soft);
}

.hero__summary {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--ink-muted);
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero__tags span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 250, 243, 0.78);
  border: 1px solid rgba(23, 71, 54, 0.16);
  color: var(--ink-soft);
  font-size: 15px;
}

.hero__panel-note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(24, 49, 39, 0.12);
  color: var(--ink-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 16px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.button--primary {
  background: linear-gradient(135deg, var(--accent-strong), #29684f);
  color: #fffaf2;
  box-shadow: var(--shadow);
}

.button--ghost {
  border-color: rgba(23, 71, 54, 0.24);
  background: rgba(255, 250, 243, 0.72);
}

.section {
  position: relative;
  padding: 88px 0;
}

.section--alt {
  background:
    linear-gradient(180deg, rgba(255, 251, 245, 0.72), rgba(255, 255, 255, 0.38)),
    linear-gradient(90deg, transparent, rgba(46, 115, 86, 0.03), transparent);
}

.section h2 + p {
  max-width: 58ch;
}

.grid {
  display: grid;
  gap: 28px;
}

.grid--intro,
.grid--roadmap,
.grid--records {
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  align-items: start;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.metric,
.card,
.note {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.metric::before,
.card::before,
.note::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, rgba(46, 115, 86, 0.72), rgba(183, 134, 66, 0.48));
  opacity: 0.72;
}

.metric:hover,
.card:hover,
.note:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 54px rgba(20, 37, 30, 0.14);
  border-color: rgba(27, 79, 60, 0.16);
}

.metric__value {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 30px;
  color: var(--accent-strong);
}

.metric__text {
  margin: 0;
  color: var(--ink-soft);
}

.cards {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.cards--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards--three .card:nth-child(3n + 1) {
  background:
    linear-gradient(180deg, rgba(255, 250, 243, 0.92), rgba(243, 248, 244, 0.82)),
    var(--surface);
}

.cards--three .card:nth-child(3n + 2) {
  background:
    linear-gradient(180deg, rgba(255, 251, 246, 0.92), rgba(249, 245, 234, 0.82)),
    var(--surface);
}

.cards--three .card:nth-child(3n + 3) {
  background:
    linear-gradient(180deg, rgba(252, 250, 244, 0.92), rgba(241, 247, 245, 0.82)),
    var(--surface);
}

.card--soft {
  background:
    linear-gradient(180deg, rgba(255, 250, 243, 0.88), rgba(242, 248, 243, 0.76)),
    rgba(255, 250, 243, 0.76);
}

.highlight {
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  inset: auto 30px 30px auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 171, 93, 0.65), transparent 68%);
  opacity: 0.7;
}

.detail-list {
  display: grid;
  gap: 18px;
  counter-reset: detail;
}

.detail-item {
  position: relative;
  padding-left: 62px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(25, 48, 40, 0.1);
  counter-increment: detail;
}

.detail-item::before {
  content: counter(detail, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.detail-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.detail-item p {
  margin: 0;
  color: var(--ink-soft);
}

.plain-list {
  margin: 0;
  padding-left: 18px;
}

.plain-list li + li {
  margin-top: 10px;
}

.footer {
  padding: 28px 0 40px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 26px 28px 0;
  border-top: 1px solid rgba(25, 48, 40, 0.12);
}

.footer__brand {
  margin: 0 0 6px;
  font-size: 22px;
}

.footer__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .nav,
  .grid--intro,
  .grid--roadmap,
  .grid--records,
  .hero__layout,
  .cards--three,
  .metrics,
  .footer__inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    padding: 18px;
  }

  .nav__meta {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 24px;
  }

  .hero__layout {
    min-height: auto;
  }

  h1,
  h2 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  p,
  li {
    font-size: 16px;
  }

  .nav {
    padding-bottom: 30px;
  }

  .nav__badge {
    white-space: normal;
  }

  .nav__links {
    gap: 14px;
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .metric,
  .card,
  .note,
  .hero__panel {
    padding: 24px;
    border-radius: 22px;
  }

  .detail-item {
    padding-left: 0;
    padding-top: 28px;
  }

  .detail-item::before {
    top: 0;
  }

  .section {
    padding: 72px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}