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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* 头部导航栏 */
.header {
    background-color: #000;
    color: #fff;
    height: 60px;
    line-height: 60px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header .logo {
    float: left;
    margin-left: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #e31436;
}

.header .nav {
    float: left;
    margin-left: 60px;
}

.header .nav ul {
    list-style: none;
}

.header .nav ul li {
    float: left;
    margin-right: 40px;
    position: relative;
}

.header .nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: block;
    padding: 0 5px;
}

.header .nav ul li a:hover,
.header .nav ul li a.active {
    color: #e31436;
    border-bottom: 2px solid #e31436;
}

.header .user-info {
    float: right;
    margin-right: 30px;
    font-size: 14px;
}

.header .user-info a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
}

.header .user-info a:hover {
    color: #e31436;
}

/* 内容区域 */
.content {
    padding: 30px;
    min-height: calc(100vh - 60px);
    background-color: #fff;
}

.content h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.content h2 {
    font-size: 18px;
    color: #333;
    margin: 20px 0 15px 0;
    font-weight: 500;
}

.content p {
    margin-bottom: 15px;
    color: #666;
}

/* 卡片样式 */
.card {
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #e31436;
}

.card h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e8e8e8;
}

table th {
    background-color: #fafafa;
    font-weight: 600;
    color: #333;
}

table tr:hover {
    background-color: #f5f5f5;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: #e31436;
    color: #fff;
    border-color: #e31436;
}

.btn-primary:hover {
    background-color: #c1122f;
    border-color: #c1122f;
}

.btn-default {
    background-color: #fff;
    color: #333;
    border-color: #d9d9d9;
}

.btn-default:hover {
    background-color: #f5f5f5;
    border-color: #c1122f;
    color: #c1122f;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: inline-block;
    width: 120px;
    font-weight: 500;
    color: #333;
    margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 300px;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e31436;
    box-shadow: 0 0 0 2px rgba(227, 20, 54, 0.2);
}

/* 列表样式 */
.list {
    list-style: none;
    margin-bottom: 20px;
}

.list li {
    padding: 10px 0;
    border-bottom: 1px solid #e8e8e8;
}

.list li:hover {
    background-color: #f5f5f5;
}

/* 分页样式 */
.pagination {
    margin-top: 20px;
    text-align: right;
}

.pagination a {
    display: inline-block;
    padding: 6px 12px;
    margin: 0 2px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.pagination a:hover {
    border-color: #e31436;
    color: #e31436;
}

.pagination a.active {
    background-color: #e31436;
    color: #fff;
    border-color: #e31436;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .nav {
        display: none;
    }
    
    .content {
        padding: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
    }
}

/* 华为云风格的额外样式 */
.huawei-style {
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
}

.huawei-style .header {
    background-color: #000;
}

.huawei-style .nav a {
    font-weight: 500;
}

.huawei-style .content {
    background-color: #f5f5f5;
}

.huawei-style .card {
    border-left: none;
    border-top: 4px solid #e31436;
}

/* 红色主题样式 */
.red-theme {
    --primary-color: #e31436;
    --secondary-color: #000;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white-color: #fff;
}

/* 页脚样式 */
.footer {
    background-color: #000;
    color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    margin-top: 40px;
}

.footer p {
    color: #999;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #e31436;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 提示信息 */
.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 14px;
}

.alert-success {
    background-color: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #52c41a;
}

.alert-warning {
    background-color: #fff7e6;
    border: 1px solid #ffd591;
    color: #faad14;
}

.alert-danger {
    background-color: #fff1f0;
    border: 1px solid #ffccc7;
    color: #ff4d4f;
}

.alert-info {
    background-color: #e6f7ff;
    border: 1px solid #91d5ff;
    color: #1890ff;
}