body {
    font-family: '微軟正黑體', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

.top-bar {
    background-color: #d0d0d0;
    padding: 15px 0;
    width: 100%;
}

.top-bar-content {
    display: flex;
    align-items: center;
    padding: 0 30px;
}

.gov-logo {
    height: 60px;
    margin-right: 20px;
}

.top-bar-content h1 {
    font-size: 32px;
    margin: 0;
    color: #333;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
}

.login-box h2 i {
    margin-right: 10px;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.input-group input:focus {
    border-color: #2c3e50;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #34495e;
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}