body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: url('/assets/img/bg.webp') no-repeat center center fixed;
    background-size: cover;
    color: #333;
}

nav {
    background-color: #66ccff;
    color: white;
    padding: 15px;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}

nav .logo {
    color: #fff;
    text-decoration: none;
    font-size: 24px;
}

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

nav ul li {
    margin-right: 20px;
}

nav ul li:last-child {
    margin-right: 0;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #ffcc00;
}

.icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 20px 0;
}

.icon {
    width: 200px;
    margin: 10px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
}

.icon a {
    color: #007BFF;
    text-decoration: none;
    transition: color 0.3s;
}

.icon a:hover {
    color: #ffcc00;
}

.icon p {
    margin-top: 10px;
    color: #777;
}

.icon:hover {
    transform: scale(1.05);
}

.articles {
    display: flex;
    justify-content: space-between;
    margin: 20px;
}

.left-column, .right-column {
    width: 48%;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.left-column > a, .right-column > a {
    display: inline-block;
    margin-bottom: 10px;
    text-decoration: none;
    color: #007BFF;
    transition: color 0.3s;
}

.left-column > a:hover, .right-column > a:hover {
    color: #ffcc00;
}

.left-column small, .right-column small {
    display: block;
    margin-top: 10px;
    color: #777;
}


h2 {
    text-align: center;
    color: #333;
}

h3 {
    color: #007BFF;
}

textarea {
    width: 100%;
    height: 100px;
    border-radius: 5px;
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 10px;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

small {
    display: block;
    margin-top: 10px;
    color: #777;
}

.comment-section {
    margin-top: 20px;
    padding: 10px;
    border-top: 1px solid #ddd;
}

.page-footer {
    background-color: #fff;
    color: #66ccff;
    text-align: center;
    padding: 1em 0;
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.copyright {
    margin: 0;
}

.commit-id {
    margin: 0;
}

.commit-id span {
    color: #aaa;
}