/* 99999999/css/loader.css */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 99999; /* 覆盖所有内容 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease-out, visibility 0.8s;
}

.loader-spinner {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #000000;
    border-radius: 50%;
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 20px;
}

.loader-text {
    font-size: 1.2rem;
    color: #333;
    letter-spacing: 8px;
    text-transform: uppercase;
    animation: pulse 1.5s infinite;
    margin-left: 8px;
}

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

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

.loader-hidden {
    opacity: 0;
    visibility: hidden;
}