:root {
  --bg: #eef2ff;
  --bg-2: #f7f9ff;
  --ink: #102a43;
  --muted: #486581;
  --brand: #0ea5a1;
  --brand-deep: #0f766e;
  --accent: #f97316;
  --accent-soft: #ffe9db;
  --line: #cdd9ee;
  --card: #ffffff;
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 40px rgba(16, 42, 67, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Trebuchet MS", "Avenir Next", "PingFang SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, #dff4ff 0%, transparent 34%),
    radial-gradient(circle at 100% 100%, #ffe9db 0%, transparent 33%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 58%, #fffdf8 100%);
  line-height: 1.68;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(244, 248, 255, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
}

.logo {
  font-family: "Georgia", "Times New Roman", serif;
  font-weight: 700;
  font-size: 30px;
  color: var(--brand-deep);
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: var(--brand-deep);
  border-color: var(--brand);
  transform: translateY(-1px);
}

.hero {
  padding: 52px 0 24px;
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
  align-items: stretch;
}

.hero-main {
  border: 1px solid var(--line);
  background: linear-gradient(140deg, #ffffff 0%, #f2fffd 100%);
  border-radius: var(--radius-xl);
  padding: 34px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-main::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 161, 0.25), rgba(14, 165, 161, 0));
}

.hero h1 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(34px, 5.5vw, 64px);
  line-height: 1.05;
  margin: 10px 0 14px;
  max-width: 820px;
}

.hero p {
  margin: 0;
  font-size: clamp(16px, 2vw, 21px);
  color: var(--muted);
}

.hero-side {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, #ffffff 0%, #fff6f0 100%);
  padding: 22px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(255, 255, 255, 0.88);
}

.metric-value {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 32px;
  line-height: 1;
  color: var(--brand-deep);
}

.metric-label {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.45px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(120deg, #e0fcff 0%, #fdf2f8 100%);
  color: #334155;
  border-radius: 999px;
  border: 1px solid #b4e6e4;
  padding: 8px 13px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.35px;
  text-transform: uppercase;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  margin-bottom: 10px;
}

.section-title-row p {
  margin: 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0 26px;
}

.card {
  grid-column: span 4;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 26px;
  line-height: 1.2;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 44px rgba(16, 42, 67, 0.18);
}

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

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  background: #f8fbff;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  margin-top: 12px;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.cta.secondary {
  background: #fff;
  color: var(--brand-deep);
  border: 1px solid var(--brand);
  margin-left: 8px;
}

.cta:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.24);
}

.section {
  margin: 20px 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

.section h2,
.section h3 {
  margin-top: 0;
  font-family: "Georgia", "Times New Roman", serif;
}

.section h2 {
  font-size: clamp(25px, 4vw, 36px);
  line-height: 1.2;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.matrix th,
.matrix td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  vertical-align: top;
}

.matrix th {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.timeline {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.timeline-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
}

.timeline-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.timeline-title {
  margin: 3px 0 4px;
  font-weight: 700;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 2px;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

.footer {
  margin: 36px 0 30px;
  color: var(--muted);
  font-size: 15px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.small {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  border: 1px solid #ffd4b8;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: #7c2d12;
  margin-top: 12px;
}

@media (max-width: 700px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

  .hero-main,
  .hero-side {
    padding: 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .card {
    grid-column: auto;
  }

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

  .cta {
    width: 100%;
  }

  .cta.secondary {
    margin-left: 0;
    margin-top: 10px;
  }
}

@media (min-width: 701px) and (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .card {
    grid-column: span 6;
  }
}