:root {
  color-scheme: light;
  --bg: #f7f4ee;
  --paper: #fffdf8;
  --ink: #27312f;
  --muted: #64716c;
  --line: #ded8cd;
  --accent: #1f6f68;
  --accent-2: #b8563f;
  --shadow: 0 18px 45px rgba(39, 49, 47, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 244, 238, 0.92);
  border-bottom: 1px solid rgba(222, 216, 205, 0.8);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 750;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a:hover,
.footer a:hover {
  color: var(--accent);
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 560px;
  padding: 82px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-panel img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 760;
  object-fit: cover;
}

.hero-note {
  padding: 24px 26px 26px;
}

.hero-panel span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel strong {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 28px;
  line-height: 1.25;
}

.hero-panel p,
.card p,
.about p,
.split p,
.list {
  color: var(--muted);
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 206px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.card p {
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 44px;
  align-items: start;
}

.list {
  margin: 0;
  padding: 26px 26px 26px 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.list li + li {
  margin-top: 12px;
}

.about {
  max-width: 780px;
}

.footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .nav {
    min-height: 74px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 14px;
  }

  .hero,
  .split,
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 58px;
    gap: 28px;
  }

  .section {
    padding: 52px 0;
  }

  .card {
    min-height: auto;
  }

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