/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

.container {
    max-width: 1200px;
}

/* 页面标题 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

/* 卡片样式 */
.card {
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border: none;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.card-title {
    margin-bottom: 0;
}

/* 按钮样式 */
.btn {
    border-radius: 5px;
    padding: 0.5rem 1rem;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #2196F3;
    border-color: #2196F3;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #1976D2;
    border-color: #1976D2;
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

/* 导航条样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
}

/* 表单样式 */
.form-control {
    border-radius: 5px;
    padding: 10px;
    border: 1px solid #ddd;
}

.form-control:focus {
    border-color: #2196F3;
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

/* 页脚样式 */
footer {
    margin-top: 50px;
    padding: 20px 0;
    background-color: #f8f9fa;
    border-top: 1px solid #eee;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .card {
        margin-bottom: 15px;
    }
    
    .btn {
        padding: 0.4rem 0.8rem;
    }
}