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

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

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    min-height: 100vh;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

header h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

header p {
    color: #7f8c8d;
    font-size: 18px;
}

nav {
    margin-top: 20px;
}

nav a {
    margin: 0 15px;
    color: #3498db;
    text-decoration: none;
}

nav a:hover {
    color: #2980b9;
}

main {
    padding: 20px 0;
}

h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.article-item {
    border: 1px solid #eee;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
}

.article-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.meta {
    color: #7f8c8d;
    font-size: 14px;
    margin-bottom: 15px;
}

.content {
    line-height: 1.8;
    color: #555;
}

/* 表单样式 */
.login-form, .publish-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 5px;
    background-color: #f9f9f9;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #2c3e50;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 16px;
}

.form-group textarea {
    height: 200px;
    resize: vertical;
}

button {
    background-color: #3498db;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
}

button:hover {
    background-color: #2980b9;
}

.error {
    color: #e74c3c;
    background-color: #fadbd8;
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 20px;
    text-align: center;
}

.success {
    color: #27ae60;
    background-color: #d5f5e3;
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 20px;
    text-align: center;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #7f8c8d;
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .login-form, .publish-form {
        padding: 20px;
    }
}