:root {
  --navy: #0b1f3a;
  --cyan: #00a3c4;
  --ice: #f4f7fa;
  --card: #ffffff;
  --ink: #122033;
  --fade: #5b6d82;
  --line: #d5deea;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--ice);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
}

.mag-top {
  background: var(--navy);
  color: #d7e6f5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 8;
}
.mag-brand {
  color: #7fe3f2;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.16em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.mag-top nav a {
  color: #d7e6f5;
  text-decoration: none;
  margin-left: 22px;
  font-size: 14px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.mag-top nav a.is-current { border-bottom-color: var(--cyan); color: #7fe3f2; }

.split-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 360px;
}
.split-hero .dark {
  background: var(--navy);
  color: #e8f4fb;
  padding: 56px 48px;
}
.split-hero .light {
  background: #dff6fb;
  padding: 56px 48px;
}
.split-hero h1 { font-size: 32px; line-height: 1.35; margin-bottom: 16px; }
.kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.cta-cyan, .cta-ghost, .cta-mini {
  text-decoration: none;
  padding: 11px 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cta-cyan { background: var(--cyan); color: #04222a; font-weight: 700; }
.cta-ghost { border: 1px solid #7fe3f2; color: #e8f4fb; }
.cta-mini { background: #fff; color: var(--navy); border: 1px solid var(--line); font-size: 14px; }
.light h2 { font-size: 18px; margin-bottom: 12px; color: var(--navy); }
.light ol { padding-left: 18px; }

.mag-wrap {
  width: min(1180px, calc(100% - 48px));
  margin: 28px auto 60px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}
.feat-stack article {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 24px 26px 18px;
  margin-bottom: 18px;
}
.feat-stack h2 {
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 4px solid var(--cyan);
}
.feat-stack p { margin-bottom: 12px; }
.feat-stack ul { margin: 0 0 12px 20px; }
.num-label {
  font-size: 13px;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.side-col { display: flex; flex-direction: column; gap: 16px; }
.side-box {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px 18px 14px;
}
.side-box h2 { font-size: 17px; color: var(--navy); margin-bottom: 10px; }
.side-box a { color: var(--cyan); }

.faq-block { background: var(--card); border: 1px solid var(--line); padding: 22px; }
.faq-block h2 { font-size: 22px; color: var(--navy); margin-bottom: 14px; }
.faq-block + .faq-block { margin-top: 0; }
.q { padding: 12px 0; border-top: 1px solid var(--line); }
.q h3 { font-size: 16px; margin-bottom: 6px; }
.q:first-of-type { border-top: 0; }

.mag-foot {
  background: var(--navy);
  color: #b9c9db;
  padding: 32px 36px 40px;
  font-size: 13px;
  line-height: 1.8;
}
.mag-foot a { color: #7fe3f2; }
.mag-foot .row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .split-hero, .mag-wrap { grid-template-columns: 1fr; }
  .split-hero .dark, .split-hero .light { padding: 36px 22px; }
}