/* 全局加载提示 - 无动画，立即显示/隐藏 */
.page-loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #64B5F6 0%, #FFFFFF 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 500;
    margin-top: 12px;
    letter-spacing: 0.5px;
}

.loading-logo {
    font-size: 32px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

/* 加载进度条 */
.loading-progress {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 16px;
}

.loading-progress-bar {
    height: 100%;
    background: #FFFFFF;
    width: 0%;
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% {
        width: 0%;
        transform: translateX(0);
    }
    50% {
        width: 70%;
    }
    100% {
        width: 100%;
        transform: translateX(0);
    }
}

/* 加载提示图标 */
.loading-icon {
    font-size: 48px;
    color: #FFFFFF;
    margin-bottom: 16px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

/* 移动端优化 */
@media (max-width: 480px) {
    .loading-logo {
        font-size: 28px;
    }
    
    .loading-spinner {
        width: 40px;
        height: 40px;
    }
    
    .loading-text {
        font-size: 13px;
    }
}