* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.container {
    display: flex;
    min-height: 100vh;
}

.left-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.company-info {
    text-align: center;
}

.company-info h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.slogan {
    margin-top: 3rem;
}

.slogan p {
    font-size: 1.5rem;
    color: #34495e;
    margin: 1.5rem 0;
    font-weight: 300;
    line-height: 1.6;
}

.right-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #3498db;
}

.error-message {
    display: none;
    color: #e74c3c;
    text-align: center;
    padding: 10px;
    margin-bottom: 15px;
    background-color: #fde8e7;
    border-radius: 6px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

button {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #2980b9;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

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

.footer p {
    margin: 5px 0;
    color: #666;
    font-size: 14px;
}

.footer .copyright {
    color: #888;
}

.footer .icp {
    color: #666;
}

.footer .icp a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer .icp a:hover {
    color: #3498db;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding-bottom: 100px;
    }
    
    .left-section, .right-section {
        padding: 1rem;
    }
    
    .company-info h1 {
        font-size: 2rem;
    }
    
    .slogan p {
        font-size: 1.2rem;
    }
}