:root {
  --ink: #101828;
  --muted: #5d6b82;
  --blue: #1f6feb;
  --blue-dark: #124da6;
  --line: #dce5f1;
  --panel: #f4f8fc;
  --white: #fff;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
}
a { color: var(--blue-dark); text-underline-offset: 3px; }

.hero, .page-header {
  color: var(--white);
  background:
    radial-gradient(circle at 82% 15%, rgba(66, 153, 225, .34), transparent 34%),
    linear-gradient(135deg, #071a38 0%, #0c336e 55%, #1559a8 100%);
}
.hero { min-height: 560px; }
.nav {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.nav a { color: var(--white); text-decoration: none; }
.brand { font-weight: 750; letter-spacing: .01em; }
.nav-links { display: flex; gap: 24px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { text-decoration: underline; }
.hero-content, .page-heading {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.hero-content { padding: 104px 0 96px; }
.page-heading { padding: 72px 0 76px; }
.eyebrow, .section-label {
  margin: 0 0 14px;
  color: #74b5ff;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .13em;
}
h1 { max-width: 780px; margin: 0; font-size: clamp(2.55rem, 6vw, 5.2rem); line-height: 1.08; letter-spacing: -.035em; }
.page-heading h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
.lead { max-width: 780px; margin: 28px 0 32px; color: #d9e8fb; font-size: 1.18rem; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badges span { padding: 7px 12px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px; background: rgba(255,255,255,.08); }

main { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.grid, .scope { display: grid; grid-template-columns: .8fr 1.5fr; gap: 64px; padding: 90px 0; }
.section-label { color: var(--blue); }
h2 { margin: 0 0 18px; font-size: clamp(1.55rem, 3vw, 2.25rem); line-height: 1.25; }
h3 { margin: 0 0 8px; font-size: 1.08rem; }
p { margin: 0 0 16px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards article { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.cards p, .scope p, .policy p { color: var(--muted); }
.scope { border-top: 1px solid var(--line); }
code { padding: 2px 6px; border-radius: 5px; background: #e8f1fb; color: #134d8f; overflow-wrap: anywhere; }
.notice { margin-bottom: 90px; padding: 24px 28px; border-left: 4px solid var(--blue); border-radius: 6px 14px 14px 6px; background: var(--panel); }
.notice p { margin: 6px 0 0; color: var(--muted); }
.policy { max-width: 860px; padding: 70px 0 88px; }
.policy section { padding: 26px 0; border-bottom: 1px solid var(--line); }
.policy h2 { font-size: 1.35rem; }
.back { margin-top: 42px; }
footer {
  min-height: 92px;
  padding: 28px max(20px, calc((100% - 1120px) / 2));
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  background: #f0f4f9;
  font-size: .9rem;
}

@media (max-width: 800px) {
  .grid, .scope { grid-template-columns: 1fr; gap: 28px; padding: 64px 0; }
  .cards { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-content { padding: 72px 0; }
  footer { flex-direction: column; }
}