* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    font-size: 16px;
    background: linear-gradient(135deg, #e0e7ff 0%, #f8fafc 100%);
    color: #222;
    line-height: 1.6;
}

main {
    max-width: 850px;
    margin: 40px auto;
    padding: 32px 40px;
    background-color: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-radius: 16px;
}

h1 {
    text-align: center;
    margin-bottom: 28px;
    color: #2563eb;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

main img {
    display: block;
    margin: 0 auto 24px auto;
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.15);
    border: 4px solid #2563eb;
}

section {
    margin-bottom: 32px;
    padding: 24px;
    background: #f1f5f9;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.05);
}

h2 {
    color: #2563eb;
    margin-bottom: 16px;
    font-size: 1.3rem;
    font-weight: 600;
    border-left: 4px solid #2563eb;
    padding-left: 12px;
}

p, ul {
    margin-bottom: 10px;
    font-size: 1rem;
}

ul {
    padding-left: 24px;
}

li {
    margin-bottom: 6px;
}

a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
a:hover {
    color: #1e40af;
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 18px 0;
    background: #2563eb;
    color: #fff;
    font-size: 1rem;
    border-radius: 0 0 16px 16px;
    margin-top: 32px;
}

@media (max-width: 1024px) {
    main {
        max-width: 95vw;
        padding: 24px 12px;
    }
    section {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    main {
        padding: 12px 4px;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.1rem;
        padding-left: 8px;
    }
    main img {
        width: 120px;
        height: 120px;
    }
    section {
        padding: 10px;
        margin-bottom: 16px;
    }
}

@media (max-width: 480px) {
    main {
        padding: 6px 2px;
    }
    h1 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    h2 {
        font-size: 1rem;
        padding-left: 6px;
        margin-bottom: 8px;
    }
    main img {
        width: 80px;
        height: 80px;
        margin-bottom: 10px;
    }
    section {
        padding: 6px;
        margin-bottom: 10px;
    }
    p, ul {
        font-size: 0.92rem;
    }
    footer {
        font-size: 0.9rem;
        padding: 10px 0;
        border-radius: 0 0 8px 8px;
        margin-top: 10px;
    }
}