* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #05060c;
    cursor: none;
}

body {
    background:
            radial-gradient(circle at 20% 30%, rgba(145, 78, 210, 0.14), transparent 24%),
            radial-gradient(circle at 78% 65%, rgba(115, 82, 205, 0.10), transparent 22%),
            radial-gradient(circle at 50% 50%, rgba(80, 95, 180, 0.08), transparent 26%),
            linear-gradient(180deg, #03040a 0%, #060814 55%, #090b16 100%);
}

#space {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

#cursor-planet {
    position: fixed;
    left: 0;
    top: 0;
    width: 42px;
    height: 42px;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    user-select: none;
    will-change: transform;
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.28));
}

#cursor-planet.hidden {
    display: none;
}

/* 提示文字 */
.click-hint {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 16px;
    border-radius: 30px;
    backdrop-filter: blur(5px);
    z-index: 100;
    pointer-events: none;
    white-space: nowrap;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) scale(1.05);
    }
}

@media (max-width: 768px) {
    .click-hint {
        font-size: 12px;
        bottom: 20px;
        white-space: normal;
        text-align: center;
        width: 80%;
    }
}