/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f0f7ff;
    font-family: 'Segoe UI', system-ui;
    animation: fadeIn 0.5s ease-in;
}

.container {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    max-width: 600px;
    width: 90%;
}

h1 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2.2em;
}

p {
    color: #7f8c8d;
    font-size: 1.1em;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* 倒计时样式 */
#countdown {
    color: #e74c3c;
    font-weight: 700;
    font-size: 1.3em;
}

/* 跳转按钮 */
.redirect-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-size: 1.1em;
    border: 2px solid transparent;
}

.redirect-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52,152,219,0.3);
}

/* 响应式设计 */
@media (max-width: 480px) {
    h1 {
        font-size: 1.8em;
    }
    
    .container {
        padding: 1.5rem;
    }
}

/* 淡入动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}