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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-color: #f5f5f5;
}

.page {
    width: 100%;
    min-height: 100vh;
    display: none;
    padding: 40px;
    background-color: #fff;
    transition: all 0.3s ease;
}

.page.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.navigation {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navigation button {
    padding: 8px 20px;
    margin: 0 10px;
    border: none;
    border-radius: 25px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navigation button:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}

#pageIndicator {
    margin: 0 15px;
    font-size: 16px;
    color: #333;
}

.content-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.content-item {
    width: 280px;
    height: 200px;
    background-color: #ffffff;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 18px;
    color: #333;
}

.content-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* 添加页面标题 */
.page-title {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
}

#toggleNav {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    background-color: #2196F3;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

#toggleNav:hover {
    background-color: #1976D2;
    transform: translateY(-2px);
}

.number-navigation {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-button {
    padding: 8px 15px;
    margin: 0 5px;
    border: none;
    border-radius: 25px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-button.active {
    background-color: #45a049;
    transform: scale(1.1);
}