html, body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
        }
        body {
            background-color: #f2f2f2;
            background-image: url('/assets/images/indexbg2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        body::before {
            content: '';
            position: fixed;  /* 改为 fixed 定位 */
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.3);
            z-index: 0;
        }
        
        .login-wrapper {
            width: 400px;
            margin: 0 auto;  /* 修改 margin */
            padding: 20px;
            background: #fff;
            border-radius: 4px;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
            position: relative;
            z-index: 1;
            background-color: rgba(255, 255, 255, 0.95);
        }
        .login-header {
            text-align: center;
            padding: 20px 0;
        }
        .login-header h2 {
            font-size: 24px;
            color: #333;
            margin-bottom: 10px;
        }
        .login-form {
            padding: 20px 30px;
        }
        .quick-login {
            text-align: center;
            padding: 15px 0;
            border-top: 1px solid #eee;
            margin-top: 20px;
        }
        .quick-login .layui-icon {
            font-size: 28px;
            margin: 0 10px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .quick-login .layui-icon:hover {
            opacity: 0.8;
        }
        .layui-icon-login-qq {
            color: #12b7f5;
        }
        .layui-icon-login-wechat {
            color: #2aae67;
        }
        .layui-icon-login-weibo {
            color: #e6162d;
        }
        .login-footer {
            text-align: center;
            color: #999;
            padding-top: 15px;
        }