* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: #18202d;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    background: #f6f8fb;
}

a {
    color: inherit;
}

a:hover {
    color: #06798c;
}

.page {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    padding: 72px 0 54px;
    color: #fff;
    background: linear-gradient(135deg, #132238 0%, #1e3a45 58%, #0f172a 100%);
}

.nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 42px;
}

.logo {
    width: 44px;
    height: 44px;
    padding: 4px;
    border-radius: 8px;
    background: #e6fbff;
}

.brand {
    font-weight: 700;
}

h1 {
    margin: 0;
    font-size: clamp(34px, 6vw, 56px);
    line-height: 1.15;
}

.lead {
    max-width: 760px;
    margin: 18px 0 0;
    color: #d6e5ee;
    font-size: 18px;
}

.section {
    padding: 48px 0;
}

.card {
    padding: 28px;
    border: 1px solid #e5ebf2;
    border-radius: 8px;
    background: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

h2 {
    margin: 0 0 18px;
    color: #101828;
    font-size: 30px;
    line-height: 1.3;
}

h3 {
    margin: 0 0 8px;
    color: #132238;
    font-size: 20px;
}

p,
li {
    color: #5f6b7a;
}

.cta {
    margin-top: 10px;
    padding: 26px;
    color: #fff;
    border-radius: 8px;
    background: #132238;
}

.cta p {
    color: #d6e5ee;
}

.qr-card {
    text-align: center;
}

.qr {
    width: min(220px, 100%);
    height: auto;
    margin: 4px auto 18px;
    padding: 12px;
    border-radius: 8px;
    background: #fff;
}

.footer {
    padding: 30px 0;
    color: #667085;
    text-align: center;
    border-top: 1px solid #e5ebf2;
    background: #fff;
}

@media (max-width: 720px) {
    .hero {
        padding: 52px 0 40px;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}