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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #000000;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    text-align: center;
    padding: 20px;
    max-width: 600px;
    width: 100%;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}

.title {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out;
}

.buttons {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid #ffffff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    min-width: 120px;
    text-align: center;
}

.download-btn {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.download-btn:hover {
    background-color: #ffffff;
    color: #000000;
}

.experience-btn {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.experience-btn:hover {
    background-color: #ffffff;
    color: #000000;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .title {
        font-size: 3rem;
    }
    
    .buttons {
        flex-direction: column;
        gap: 20px;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
    }
    
    .content {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2.5rem;
    }
    
    .container {
        padding: 15px;
    }
}