:root {
  color-scheme: light;
  --ink: #18202f;
  --muted: #5b6575;
  --line: #d9e0ea;
  --soft: #f5f7fb;
  --panel: #ffffff;
  --brand: #0f6b57;
  --brand-dark: #0a4a3c;
  --accent: #bc3f2b;
  --gold: #c08a2c;
}

* {
  box-sizing: border-box;
}

html {
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
}

body {
  margin: 0;
  line-height: 1.65;
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  white-space: nowrap;
}

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

.hero {
  background:
    linear-gradient(120deg, rgba(15, 107, 87, 0.92), rgba(24, 32, 47, 0.88)),
    url("data:image/svg+xml,%3Csvg width='1200' height='720' viewBox='0 0 1200 720' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='1200' height='720' fill='%23eef3f7'/%3E%3Cg fill='none' stroke='%23c6d5de' stroke-width='2'%3E%3Cpath d='M120 160h360v210H120zM690 120h350v260H690zM250 470h700v120H250z'/%3E%3Cpath d='M170 220h220M170 270h260M740 190h230M740 240h180M320 530h520'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
  color: white;
}

.hero-inner,
.section-inner,
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 20px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: 0;
}

.hero p {
  max-width: 720px;
  margin: 0 0 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: 700;
  border: 1px solid transparent;
}

.button.primary {
  background: #ffffff;
  color: var(--brand-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.7);
  color: #ffffff;
}

.section {
  border-bottom: 1px solid var(--line);
}

.section.alt {
  background: var(--soft);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

h2 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.price {
  color: var(--brand-dark);
  font-size: 26px;
  font-weight: 800;
  margin: 10px 0;
}

.list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  background: #fff;
  border: 1px solid var(--line);
}

.info-table th,
.info-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 180px;
  background: #f0f4f7;
}

.notice {
  border-left: 4px solid var(--gold);
  background: #fff8ed;
  padding: 14px 16px;
  margin-top: 20px;
  color: #634713;
}

.footer {
  background: #141923;
  color: #fff;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-inner {
  padding-top: 34px;
  padding-bottom: 34px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    gap: 10px 12px;
  }

  .hero-inner,
  .section-inner {
    padding: 38px 18px;
  }

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

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }
}