* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: #000;
    position: relative;
}

.content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}

.logo {
    width: 200px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

.slogan {
    line-height: 1.6;
    width: 100vw;
    margin: 0 auto;
    font-size: 36px;
    color: #eee;
} 
.intro {
    line-height: 1.6;
    width: 100vw;
    margin: 0 auto;
    font-size: 22px;
    color: #ccc;
}

/* 移动端 */
@media (max-width: 768px) {
    .slogan {
        font-size: 22px;
    } 
    .intro {
        font-size: 14px;
    }
}

.star-trail {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    animation: fadeOut 2s linear forwards;
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0);
    }
}

.meteor {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: meteorTrail 1.5s linear forwards;
    left: 0;
    top: 0;
}

.meteor::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, rgb(229, 190, 190) 0%, rgba(255,255,255,0) 100%);
    transform-origin: left center;
    transform: rotate(calc(var(--rotation) + 180deg));
}

@keyframes meteorTrail {
    0% {
        opacity: 1;
        transform: translate(var(--startX), var(--startY));
    }
    100% {
        opacity: 0;
        transform: translate(var(--endX), var(--endY));
    }
}

.footer {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 14px;
    color: #666;
}

.footer a {
    color: #666;
    text-decoration: none;
}

.footer a:hover {
    color: #333;
}