.page-loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(5, 5, 16, 0.92);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 99999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 圆圈spinner */
.loader-ring {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 3px solid rgba(0, 243, 255, 0.15);
    border-top-color: #00f3ff;
    animation: ring-spin 0.9s linear infinite;
}

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

.loader-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    font-family: 'Exo 2', sans-serif;
    letter-spacing: 2px;
}

/* 超时提示 */
.loader-timeout-message {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    white-space: nowrap;
}

.loader-timeout-message.show {
    opacity: 1;
    visibility: visible;
}

.loader-timeout-message p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 10px;
}

.reload-btn {
    padding: 8px 20px;
    background: rgba(0, 243, 255, 0.15);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: 20px;
    color: #00f3ff;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reload-btn:hover {
    background: rgba(0, 243, 255, 0.25);
}

/* 隐藏旧的 wave-loader 和 loader-dots（兼容 HTML 结构） */
.wave-loader, .loader-dots { display: none; }