body {
    margin: 0;
    font-family: "Segoe UI", "Yu Gothic UI", sans-serif;
    font-size: clamp(18px, 2.8vw, 24px);
    line-height: 1.6;
    color: #1f2a44;
    background: linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

h1 {
    font-size: clamp(28px, 5vw, 44px);
    margin: 0 0 10px;
    color: #1d3e79;
}

main {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    box-sizing: border-box;
}

section {
    width: min(760px, 100%);
    background: #ffffff;
    border: 1px solid #d9e2f0;
    border-radius: 18px;
    box-shadow: 0 12px 28px rgba(20, 41, 78, 0.09);
    padding: clamp(20px, 4vw, 36px);
}

p {
    margin: 0 0 18px;
    color: #425678;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

li a {
    display: block;
    padding: 12px 14px;
    text-decoration: none;
    color: #21467f;
    font-weight: 700;
    border: 1px solid #d7e4f6;
    border-radius: 12px;
    background: #f7fbff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

li a:hover {
    background: #edf4ff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(20, 41, 78, 0.12);
}