/* 背景样式文件 */

/* 方法一：相对路径 */
body {
    background-image: url('../images/background.jpg');
    background-repeat: repeat !important;
    background-attachment: scroll !important;  
    background-position: top left !important;
    background-size: auto !important;
}

/* 覆盖Bootstrap和其他框架的默认样式 */
.container, .main-content, .card, .card-body {
    background-color: rgba(255, 255, 255, 0.85) !important;
    border-radius: 8px !important;
    margin-top: 15px !important;
    margin-bottom: 15px !important;
    box-shadow: 0 0 10px rgba(0,0,0,0.1) !important;
}

.navbar, .navbar-dark, footer {
    background-color: rgba(33, 37, 41, 0.95) !important;
}