body,
html {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

.containermain {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .containermain {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    display: flex;
    align-items: center;
}

header .logo img {
    width: 50px;
    height: auto;
    margin-right: 10px;
}

header h1 {
    margin: 0;
    font-size: 24px;
    color: #ffffff;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
}

nav ul li a:hover {
    text-decoration: underline;
}

p {
    line-height: 1.5;
}

.container {
    width: 1000px;
    margin: auto;
    min-height: 500px;
    margin-bottom: 20px;
}

main {
    padding-top: 80px;
}

section {
    padding: 60px 0;
    background-color: #fff;
    text-align: center;
}

section h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1e90ff;
}

section p {
    font-size: 18px;
    color: #666;
}

section ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

section ul li {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
}

footer {
    background-color: #333;
    color: #a0a0a0;
    padding: 20px 0;
    text-align: center;
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    clear: both;
}

footer p {
    margin: 0;
    color: #a0a0a0a0;
}

h1,
h2,
h3 {
    color: #1e90ff;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th,
table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

table th {
    background-color: #1e90ff;
    color: #ffffff;
    font-weight: bold;
}

.summary {
    color: #ffffff;
    background-color: #ff0000;
    padding: 10px;
    margin-bottom: 100px;
    text-align: center;
}

@media screen and (max-width: 768px) {
    header .containermain {
        padding: 0 10px;
    }

    header .logo img {
        width: 40px;
    }

    header h1 {
        font-size: 20px;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        padding-top: 10px;
    }

    nav ul li {
        margin: 10px 0;
    }

    main {
        padding-top: 120px;
    }

    .container {
        width: 95%;
    }
}