/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", Arial, sans-serif;
}
body {
    background: #f5f7fa;
    color: #333;
}
.container {
    width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
/* 头部样式 */
.header {
    background: #2c3e50;
    color: white;
    padding: 15px 0;
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 24px;
    font-weight: bold;
}
.nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}
.nav a:hover {
    color: #3498db;
}
/* 按钮样式 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}
.btn-success {
    background: #2ecc71;
    color: white;
}
.btn-danger {
    background: #e74c3c;
    color: white;
}
.btn-warning {
    background: #f39c12;
    color: white;
}
.btn-primary {
    background: #3498db;
    color: white;
}
/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 20px;
}
.card-title {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}
/* 后台样式 */
.admin-status {
    line-height: 2;
    font-size: 16px;
}
.status-green {
    color: #2ecc71;
    font-weight: bold;
}
.status-red {
    color: #e74c3c;
    font-weight: bold;
}
.log-box {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    font-family: monospace;
    min-height: 100px;
}
/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}
textarea.form-control {
    min-height: 300px;
    resize: vertical;
}
/* 统计样式 */
.stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.stat-item {
    flex: 1;
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.stat-num {
    font-size: 28px;
    font-weight: bold;
    color: #3498db;
    margin: 10px 0;
}

/* 分类标签样式 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}
.category-tag {
    background: #e9f7fe;
    color: #0c5460;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid #bee5eb;
}

/* 表单行样式 */
.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}
.form-row .form-group {
    margin-bottom: 0;
}
.form-row .form-group.col-md-4 {
    flex: 4;
}
.form-row .form-group.col-md-3 {
    flex: 3;
}
.form-row .form-group.col-md-2 {
    flex: 2;
}
.form-row .form-group.col-md-8 {
    flex: 8;
}
.form-row .form-group.col-md-10 {
    flex: 10;
}