html, body {
    margin: 0;
    height: 100%;
    overflow-x: hidden;
    font-family: 'Poppins', sans-serif;
    color: #000;
    background: radial-gradient(circle at 30% 20%, #0d1221, #030306 80%);
    background-attachment: fixed;
    position: relative;
}

/* 背景 Canvas 粒子层 */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: transparent;
}

.container {
    position: relative;
    padding: 50px 20px;
    min-height: 100vh;
    max-width: 480px;
    margin: auto;
    text-align: center;
    z-index: 1;
}

.robot-img {
    width: 160px;
    margin-top: 40px;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 224, 255, 0.3);
}

h1 {
    font-size: 1.9em;
    font-weight: 700;
    margin: 20px 0 10px;
    color: #00e0ff;
    text-shadow: 0 0 20px rgba(0, 224, 255, 0.7);
    letter-spacing: 1px;
}

h2 {
    font-size: 1em;
    font-weight: 500;
    color: #bbb;
    margin-bottom: 25px;
}

.stats {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 0 25px rgba(0, 224, 255, 0.1);
    backdrop-filter: blur(6px);
}

.stat-box {
    display: flex;
    justify-content: space-around;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 20px;
}

.stat {
    font-size: 1.6em;
    color: #00e0ff;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 224, 255, 0.5);
}

.sub {
    font-size: 0.8em;
    color: #aaa;
}

input {
    width: 85%;
    padding:20px 12px;
    border: none;
    border-radius: 10px;
    margin-top: 10px;
    font-size: 1em;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    outline: none;
    transition: all 0.3s ease;
}

input:focus {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 10px rgba(0, 224, 255, 0.3);
}

input::placeholder {
    color: #999;
}

.btn {
    margin-top: 20px;
    padding: 15px 45px;
    font-size: 1em;
    font-weight: 600;
    background: linear-gradient(90deg, #00e0ff, #0078ff);
    border: none;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(0, 224, 255, 0.3);
    transition: all 0.3s ease;
    width:90%;
}

.btn:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 0 30px rgba(0, 224, 255, 0.6);
}

.disclaimer {
    background-color: rgba(0, 0, 0, 0.58);
    color: #c9d1d9;
    padding: 30px 15px;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
    z-index: 2;
    position: relative;
}

.disclaimer p {
    font-size: 0.875em;
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto 15px;
}

.disclaimer a {
    color: #00e0ff;
    text-decoration: none;
    margin: 0 10px;
    font-size: 0.875em;
}

.disclaimer a:hover {
    text-decoration: underline;
}
.text-center1{text-align: center;}
@media (max-width: 480px) {
    h1 {
        font-size: 1.6em;
    }
    .stat {
        font-size: 1.3em;
    }
}