body, html {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: radial-gradient(circle at 20% 20%, rgba(0,255,200,0.2), transparent 30%),
                radial-gradient(circle at 80% 30%, rgba(255,0,150,0.2), transparent 25%),
                radial-gradient(circle at 50% 80%, rgba(0,200,255,0.2), transparent 20%);
    animation: float 20s infinite linear alternate;
    z-index: -1;
}
@keyframes float {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-40px); }
}

.main-container {
    padding: 40px 20px;
    max-width: 1000px;
    margin: auto;
    text-align: center;
}
.subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    color: #00ffee;
}
.instruction {
    font-size: 18px;
    margin-bottom: 20px;
}
.platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
.platform {
    background: #1e1e1e;
    padding: 15px;
    border-radius: 10px;
    width: 140px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.platform:hover {
    border-color: #00ffcc;
    transform: scale(1.05);
}
.platform img {
    width: 64px;
    height: 64px;
    margin-bottom: 10px;
}
.account-box {
    background: #141414;
    padding: 30px;
    border-radius: 12px;
    margin-top: 40px;
    display: inline-block;
    text-align: left;
    min-width: 300px;
}
#revealBtn {
    background: #ff0033;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 15px;
}
.hidden {
    display: none;
}