body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f0f2f5;
    color: #333;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 700px;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 20px;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid #007bff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #0056b3;
    margin-bottom: 15px;
    font-size: 2.2em;
}

p {
    margin-bottom: 25px;
    line-height: 1.6;
}

.tool-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.tool-card {
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 8px;
    padding: 20px;
    width: 280px;
    text-align: left;
    text-decoration: none;
    color: #333;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.tool-card h2 {
    color: #007bff;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.tool-card p {
    font-size: 0.95em;
    color: #495057;
    margin-bottom: 0;
}

footer {
    margin-top: auto;
    padding: 20px;
    color: #6c757d;
    font-size: 0.9em;
    text-align: center;
    width: 100%;
}