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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #FFB6D9;
    overflow: hidden;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 50px 60px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 400px;
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    color: #333;
    font-size: 42px;
    margin-bottom: 40px;
    font-weight: 500;
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-field {
    padding: 16px 20px;
    font-size: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    outline: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.input-field::placeholder {
    color: #999;
}

.input-field:focus {
    border-color: #FFB6D9;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 10px rgba(255, 182, 217, 0.3);
}

.login-btn {
    padding: 16px;
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #FFB6D9 0%, #FFA0C8 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 2px;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 182, 217, 0.4);
}

.login-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 600px) {
    .login-container {
        min-width: 320px;
        padding: 40px 30px;
    }
    
    .title {
        font-size: 32px;
    }
}