* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: #1c2530; line-height: 1.6; background: #fff; }
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

header { border-bottom: 1px solid #e6eaef; padding: 16px 0; position: sticky; top: 0; background: #fff; }
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 22px; font-weight: 700; }
.logo span { color: #0a6cff; }
nav a { margin-left: 20px; text-decoration: none; color: #44515f; }
nav a:hover { color: #0a6cff; }

.hero { padding: 90px 0 70px; background: linear-gradient(180deg, #f4f8ff 0%, #ffffff 100%); }
.hero h1 { font-size: 40px; line-height: 1.2; max-width: 640px; margin-bottom: 18px; }
.hero p { font-size: 18px; color: #44515f; max-width: 560px; margin-bottom: 28px; }
.btn { display: inline-block; background: #0a6cff; color: #fff; padding: 12px 26px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.btn:hover { background: #085ad6; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; padding-top: 60px; padding-bottom: 60px; }
.card { border: 1px solid #e6eaef; border-radius: 10px; padding: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { color: #44515f; }

section.container { padding-bottom: 50px; }
h2 { margin-bottom: 12px; }
p a { color: #0a6cff; }

footer { border-top: 1px solid #e6eaef; padding: 24px 0; color: #7c8896; font-size: 14px; }