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

body {
    background-color: #f2f2f2;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
}

.layui-header {
    background-color: #23262E;
    border-bottom: 1px solid #393D49;
}

.layui-layout-left {
    padding: 0 15px;
}

.logo {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    line-height: 60px;
}

.logo span {
    color: #1E9FFF;
}

.layui-layout-right {
    padding-right: 15px;
}

.balance-info {
    display: inline-block;
    color: #fff;
    margin-right: 20px;
    font-size: 14px;
}

.balance-amount {
    color: #1E9FFF;
    font-weight: bold;
}

.lang-switcher {
    margin-right: 20px;
    display: inline-block;
}

.lang-switcher a {
    color: #b8b8b8;
    text-decoration: none;
    margin: 0 5px;
}

.lang-switcher a.active {
    color: #1E9FFF;
    font-weight: bold;
}

.layui-side {
    background-color: #23262E;
    top: 60px;
    width: 220px !important;
}

.layui-nav {
    background: none;
}

.layui-nav-tree .layui-nav-item a {
    color: #b8b8b8;
    height: 50px;
    line-height: 50px;
    font-size: 14px;
}

.layui-nav-tree .layui-nav-item a:hover {
    color: #fff;
    background-color: #393D49;
}

.layui-nav-tree .layui-nav-itemed > a, 
.layui-nav-tree .layui-nav-item.layui-this a {
    color: #fff;
    background-color: #1E9FFF;
}

.layui-nav-tree .layui-nav-child {
    background-color: #0C0D0F;
    padding: 0;
}

.layui-nav-tree .layui-nav-child a {
    padding-left: 45px;
    height: 40px;
    line-height: 40px;
    font-size: 13px;
}

.layui-body {
    top: 60px;
    left: 220px;
    background-color: #f2f2f2;
    padding: 0;
}

.layui-tab {
    margin: 0;
    height: 100%;
}

.layui-tab-title {
    background-color: #fff;
    border-bottom: 1px solid #e6e6e6;
    height: 40px;
    padding: 0;
}

.layui-tab-title li {
    line-height: 40px;
    min-width: 120px;
    max-width: 200px;
    padding: 0 20px;
    position: relative;
}

.layui-tab-title .layui-this {
    background-color: #fff;
    color: #1E9FFF;
    border-bottom: 2px solid #1E9FFF;
}

.layui-tab-title .layui-this:after {
    border: none;
}

.layui-tab-content {
    padding: 0;
    height: calc(100% - 40px);
    overflow: hidden;
}

.layui-tab-item {
    height: 100%;
    padding: 0;
}

.page-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.stat-card {
    background: #fff;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    border-left: 4px solid #1E9FFF;
}

.stat-card .title {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.data-table-container {
    background: #fff;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.form-container {
    background: #fff;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.login-container {
    background: linear-gradient(135deg, #1E9FFF 0%, #0078D7 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 400px;
    padding: 30px;
}

.login-box .logo {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.login-box .logo h2 {
    color: #1E9FFF;
    font-weight: bold;
    margin-bottom: 10px;
}

.login-box .logo p {
    color: #666;
    font-size: 14px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: #999;
    font-size: 12px;
}

@media (max-width: 768px) {
    .layui-side {
        width: 60px !important;
    }
    
    .layui-body {
        left: 60px;
    }
    
    .layui-nav-tree .layui-nav-item a span {
        display: none;
    }
    
    .layui-nav-tree .layui-nav-child {
        display: none;
    }
    
    .login-box {
        width: 90%;
        margin: 0 auto;
    }
}