body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
background-color: #f0f0f0;
font-family: 'Arial', sans-serif;
transition: background-color 1s ease;
}
.container {
text-align: center;
background-color: white;
padding: 30px;
border-radius: 15px;
box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
transition: transform 0.5s ease;
max-width: 90%; /* 限制最大宽度以适应手机 */
}
h1 {
font-size: 2.5em;
color: #333;
margin-bottom: 10px;
font-weight: bold;
}
p {
font-size: 1.2em;
color: #666;
margin-bottom: 20px;
}
.loading {
font-size: 1.5em;
color: #007bff;
margin-top: 20px;
}
.countdown {
width: 100px;
height: 100px;
border-radius: 50%;
border: 10px solid #007bff;
display: flex;
justify-content: center;
align-items: center;
font-size: 2em;
color: #007bff;
margin: 20px auto;
position: relative;
}
.countdown::before {
content: '';
position: absolute;
width: 100%;
height: 100%;
border-radius: 50%;
border: 10px solid rgba(0, 123, 255, 0.2);
animation: spin 3s linear infinite;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
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