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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-image: url('https://source.unsplash.com/random/1920x1080/?library,books');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
}

.container {
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: 10px;
    padding: 40px;
    width: 80%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    backdrop-filter: blur(5px);
}

h1 {
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2.5rem;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 10px;
}

.content {
    font-size: 1.2rem;
    line-height: 1.6;
}

p {
    margin-bottom: 20px;
}

.book-icon {
    font-size: 4rem;
    margin-top: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.footer {
    width: 100%;
    position: fixed;
    bottom: 10px;
    left: 0;
    text-align: center;
    font-size: 0.95rem;
    color: #666;
    letter-spacing: 1px;
    background: rgba(255,255,255,0.5);
    padding: 6px 0;
    z-index: 10;
}