.center {
    width: 25%;
    height: 25%;
    margin: 0;
    position: absolute;
    top: 25%;
    margin-right: -0%;
    transform: translate(-50%, -50%);
    will-change: transform;
}

#loading-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: white;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

#logo {
    animation: bounce 1s infinite alternate;
    will-change: transform;
}

@keyframes bounce {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-20px);
    }
}

#loading-progress {
    margin-top: 120px;
    text-align: center;
    font-size: 20px;
    font-family: 'Arial', sans-serif;
    opacity: 0;
    animation: fadeIn 0.5s ease-in forwards 0.3s, pulse 2s infinite;
    background: linear-gradient(45deg, #0175C2, #00B4DB);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

#loading-progress:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 添加响应式设计 */
@media (max-width: 768px) {
    .center {
        width: 40%;
    }
    
    #loading-progress {
        font-size: 16px;
        padding: 6px 12px;
        margin-top: 100px;
    }
}

/* 添加加载动画效果 */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}