:root{--bg:#f7f8fa;--card:#fff;--text:#172033;--muted:#5e6878;--line:#dfe4ea;--accent:#203a5f;--soft:#eef3f8}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}header{background:var(--card);border-bottom:1px solid var(--line)}.wrap{max-width:900px;margin:0 auto;padding:0 22px}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-weight:750}.nav a,a{color:var(--accent);text-decoration:none}.nav a{margin-left:18px;font-weight:600}main{padding:52px 0 64px}.hero{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:36px}h1{font-size:2.15rem;line-height:1.2;margin:0 0 14px}h2{font-size:1.35rem;margin:34px 0 10px}.muted{color:var(--muted)}.badge{display:inline-block;background:var(--soft);color:var(--accent);border-radius:999px;padding:6px 11px;font-size:.9rem;font-weight:700;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.notice{margin-top:24px;padding:16px 18px;border-left:4px solid var(--accent);background:var(--soft);border-radius:8px}footer{border-top:1px solid var(--line);padding:28px 0 42px;background:var(--card);color:var(--muted)}footer a{margin-right:16px}ul{padding-left:22px}@media(max-width:680px){.nav{align-items:flex-start;flex-direction:column;padding:16px 0}.nav a{margin:0 16px 0 0}main{padding-top:28px}.hero{padding:24px}.grid{grid-template-columns:1fr}h1{font-size:1.75rem}}