:root {
  --bg: #f4efe8;
  --text: #1e2933;
  --muted: #5b6773;
  --line: rgba(13, 59, 102, 0.12);
  --brand: #0d3b66;
  --brand-dark: #08233d;
  --accent: #c9973a;
  --shadow: 0 20px 48px rgba(22, 34, 47, 0.10);
  --shadow-soft: 0 28px 60px rgba(22, 34, 47, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.subpage-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(201, 151, 58, 0.16), transparent 18%),
    radial-gradient(circle at left 22%, rgba(13, 59, 102, 0.08), transparent 24%),
    linear-gradient(180deg, #efe7db 0%, var(--bg) 42%, #faf7f1 100%);
}

.subpage-body main {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
  display: grid;
  gap: 20px;
}

.subpage-body .card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 38px);
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(201, 151, 58, 0.14), transparent 24%),
    linear-gradient(145deg, rgba(255, 253, 248, 0.97), rgba(249, 244, 236, 0.96));
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.subpage-body .card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--accent) 100%);
}

.subpage-body .card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(13, 59, 102, 0.22);
}

.subpage-body h1,
.subpage-body h2,
.subpage-body h3 {
  margin: 0 0 14px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--brand-dark);
}

.subpage-body h1 { font-size: clamp(36px, 5vw, 58px); }
.subpage-body h2 { font-size: clamp(24px, 3.5vw, 34px); }
.subpage-body h3 { font-size: clamp(20px, 2.6vw, 26px); }

.subpage-body p,
.subpage-body li {
  color: var(--muted);
  margin: 0 0 14px;
}

.subpage-body .card > p:first-of-type {
  font-size: clamp(18px, 2.4vw, 21px);
  color: var(--text);
}

.subpage-body a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.subpage-body a:hover {
  color: var(--brand-dark);
  border-color: currentColor;
}

.subpage-body .btn,
.subpage-body button,
.subpage-body input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, #195587 100%);
  color: #fff;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 16px 30px rgba(13, 59, 102, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.subpage-body .btn:hover,
.subpage-body button:hover,
.subpage-body input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 38px rgba(13, 59, 102, 0.2);
}

@media (max-width: 760px) {
  .subpage-body main {
    width: min(100% - 20px, 100%);
    padding: 24px 10px 44px;
    gap: 16px;
  }

  .subpage-body .card {
    border-radius: 22px;
    padding: 22px 18px;
  }
}