body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
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 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 .logo {
    color: #fff;
    text-decoration: none;
    font-size: 24px;
}

nav a:hover {
    color: #ffcc00;
}

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

small {
    color: #666;
}

hr {
    border: 0;
    height: 1px;
    background: #ddd;
    margin: 20px 0;
}

.comment {
    border-bottom: 1px solid #e0e0e0;
    padding: 15px;
    margin-bottom: 15px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.comment:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.comment strong {
    color: #333;
    display: block;
    font-size: 1.1em;
    margin-bottom: 5px;
}

.comment p {
    color: #666;
    font-size: 1em;
}

.comment:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

/* 回复功能 还没写*/
.comment .sub-comment {
    margin-left: 20px;
    border-top: 1px solid #e0e0e0;
    padding-top: 10px;
}

#comments h2 {
    margin-top: 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
    font-size: 1.5em;
}

form textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
}

form button {
    padding: 10px 20px;
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

form button:hover {
    background: #555;
}

.page-footer {
    background-color: #333;
    color: #fff;
    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;
}