/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --error-color: #f5222d;
    --text-primary: #262626;
    --text-secondary: #595959;
    --text-muted: #8c8c8c;
    --border-color: #d9d9d9;
    --bg-primary: #f0f2f5;
    --bg-white: #ffffff;
    --sidebar-width: 180px;
    --sidebar-collapsed: 64px;
    --header-height: 64px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.5;
}

/* 工具类 */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* 初始化 Loading */
.init-loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.init-loading.hidden {
    display: none !important;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: #666;
    font-size: 14px;
}

.loading-spinner i {
    font-size: 32px;
    color: #1890ff;
}

/* 登录页面 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-box {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 400px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.login-form label i {
    margin-right: 6px;
    color: var(--text-muted);
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.login-form .checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-direction: row;
    gap: 8px;
}

.login-form .checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.login-form .checkbox span {
    font-size: 14px;
    color: var(--text-secondary);
    user-select: none;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    gap: 6px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-default {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-default:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-text {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px;
}

.btn-text:hover {
    color: var(--primary-color);
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
    font-size: 16px;
}

.btn-icon:hover {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.1);
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 14px;
}

/* 主页面布局 */
.main-page {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: #001529;
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    transition: width 0.3s;
    z-index: 100;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header i {
    font-size: 28px;
    color: var(--primary-color);
    margin-right: 12px;
}

.sidebar-header span {
    font-size: 18px;
    font-weight: 600;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

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

.sidebar-nav li {
    margin: 4px 0;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: all 0.3s;
    border-right: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li.active a {
    color: white;
    background: rgba(24, 144, 255, 0.1);
    border-right-color: var(--primary-color);
}

.sidebar-nav li i {
    font-size: 16px;
    width: 24px;
    margin-right: 12px;
}

/* 子菜单样式 */
.sidebar-nav li.has-submenu > a {
    justify-content: space-between;
}

.sidebar-nav li.has-submenu > a .submenu-arrow {
    font-size: 12px;
    width: auto;
    margin-left: auto;
    margin-right: 0;
    transition: transform 0.3s;
}

.sidebar-nav li.has-submenu.open > a .submenu-arrow {
    transform: rotate(180deg);
}

.sidebar-nav .submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.15);
}

.sidebar-nav li.has-submenu.open .submenu {
    max-height: 200px;
}

.sidebar-nav .submenu li a {
    padding-left: 52px;
    font-size: 13px;
}

.sidebar-nav .submenu li.active a,
.sidebar-nav .submenu li a:hover {
    background: rgba(24, 144, 255, 0.15);
}

.sidebar-nav li.has-submenu.active > a,
.sidebar-nav li.has-submenu.open > a {
    color: white;
    background: rgba(24, 144, 255, 0.1);
    border-right-color: var(--primary-color);
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.85);
}

.user-info i {
    font-size: 24px;
    margin-right: 10px;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部导航 */
.top-header {
    height: var(--header-height);
    background: white;
    display: flex;
    align-items: center;
    padding: 0 24px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 99;
}

.breadcrumb {
    flex: 1;
    margin-left: 16px;
    font-size: 16px;
    font-weight: 500;
}

.header-actions {
    display: flex;
    gap: 8px;
}

.header-actions .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--error-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
}

.header-actions button {
    position: relative;
}

/* 内容区域 */
.content-wrapper {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* 页面 */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-right: 16px;
}

.stat-icon.blue {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.stat-icon.green {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.stat-icon.orange {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.stat-icon.red {
    background: rgba(245, 34, 45, 0.1);
    color: var(--error-color);
}

.stat-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: normal;
    margin-bottom: 8px;
}

.stat-number {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 仪表板网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.dashboard-grid:last-child {
    margin-bottom: 0;
}

/* 卡片 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--primary-color);
}

.card-body {
    padding: 24px;
}

/* 工具栏 */
.page-toolbar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.page-toolbar select,
.page-toolbar input[type="date"] {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background: white;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

.table thead {
    display: table-header-group;
}

.table tbody {
    display: table-row-group;
}

.table th {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-secondary);
    background: #fafafa;
}

.table td {
    vertical-align: middle;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: #f5f5f5;
}

.table td:last-child {
    text-align: center;
}

.table td:last-child .actions {
    display: inline-flex;
    gap: 6px;
}

.table td:last-child .actions .btn {
    padding: 5px 12px;
    font-size: 13px;
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
}

.tag-success {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.tag-warning {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.tag-error {
    background: rgba(245, 34, 45, 0.1);
    color: var(--error-color);
}

.tag-info {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.tag-default {
    background: #f5f5f5;
    color: var(--text-secondary);
}

/* 日期范围选择器 */
.date-range-picker {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-range-picker input[type="date"] {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.date-range-picker span {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: flex-end;
    padding: 16px 24px;
    gap: 8px;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination button.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 链接 */
.link {
    color: var(--primary-color);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 1;
}

.modal-content {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-card);
    z-index: 2;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 表单 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Toast */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

.toast i {
    font-size: 20px;
    color: var(--success-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式 */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }
    
    .sidebar-header span,
    .sidebar-nav li span,
    .user-info span {
        display: none;
    }
    
    .sidebar-nav li a {
        justify-content: center;
        padding: 12px;
    }
    
    .sidebar-nav li i {
        margin-right: 0;
    }
    
    /* 移动端子菜单样式 */
    .sidebar-nav li.has-submenu > a .submenu-arrow {
        display: none;
    }
    
    .sidebar-nav .submenu {
        position: absolute;
        left: var(--sidebar-collapsed);
        top: auto;
        width: 160px;
        background: #001529;
        max-height: none;
        display: none;
        box-shadow: 2px 0 8px rgba(0,0,0,0.3);
    }
    
    .sidebar-nav li.has-submenu:hover .submenu {
        display: block;
    }
    
    .sidebar-nav .submenu li a {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .main-content {
        margin-left: var(--sidebar-collapsed);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 图片预览 */
.image-preview {
    max-width: 200px;
    max-height: 150px;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.3s;
}

.image-preview:hover {
    transform: scale(1.05);
}

/* 头像上传 */
.avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.avatar-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #e8e8e8;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.avatar-actions .btn {
    padding: 6px 16px;
    font-size: 14px;
}

.avatar-actions .btn-text {
    background: transparent;
    border: none;
    color: #999;
    padding: 6px 12px;
}

.avatar-actions .btn-text:hover {
    color: #ff4d4f;
}

/* 管理员详情弹窗样式 */
.admin-detail-modal {
    padding: 8px;
}

.admin-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 20px;
}

.admin-avatar-large {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #40a9ff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    flex-shrink: 0;
}

.admin-title {
    flex: 1;
}

.admin-title h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.admin-role-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.admin-role-badge.role-super {
    background: rgba(255, 77, 79, 0.1);
    color: #ff4d4f;
    border: 1px solid rgba(255, 77, 79, 0.2);
}

.admin-role-badge.role-normal {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(24, 144, 255, 0.2);
}

.admin-detail-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px 16px;
    background: #fafafa;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
}

.detail-label {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-label i {
    font-size: 14px;
    color: var(--primary-color);
}

.detail-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.detail-value.status-enabled {
    color: var(--success-color);
}

.detail-value.status-disabled {
    color: var(--error-color);
}

@media (max-width: 480px) {
    .detail-row {
        grid-template-columns: 1fr;
    }
    
    .admin-detail-header {
        flex-direction: column;
        text-align: center;
    }
}

.form-hint {
    color: #999;
    font-size: 12px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
}

/* 加载中 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.loading i {
    font-size: 32px;
    color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 加载覆盖层 */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
}

.loading-spinner i {
    font-size: 32px;
    animation: spin 1s linear infinite;
}

/* 确认对话框 */
.confirm-content {
    text-align: center;
    padding: 24px;
}

/* 表单错误提示 */
.form-error {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 4px;
}

.form-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
    line-height: 1.4;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

/* 图片上传 */
.image-upload {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.image-upload:hover {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.02);
}

.image-upload i {
    font-size: 32px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* 状态点 */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.status-dot.active {
    background: var(--success-color);
}

.status-dot.inactive {
    background: var(--text-muted);
}

/* 数字输入 */
input[type="number"] {
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* 卡片hover效果 */
.card {
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* 表格行选中 */
.table tbody tr.selected {
    background: rgba(24, 144, 255, 0.08);
}

/* 批量操作栏 */
.batch-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: #f6ffed;
    border-bottom: 1px solid var(--border-color);
}

/* 下拉菜单 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow-card);
    min-width: 160px;
    z-index: 100;
    display: none;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.dropdown-item:hover {
    background: #f5f5f5;
}

/* 步骤条 */
.steps {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--border-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.step.active .step-number {
    background: var(--primary-color);
}

.step.completed .step-number {
    background: var(--success-color);
}

.step-line {
    width: 60px;
    height: 2px;
    background: var(--border-color);
    margin: 0 12px;
}

.step-line.completed {
    background: var(--success-color);
}

/* 统计数字动画 */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-number {
    animation: countUp 0.5s ease;
}

/* ==================== 消息通知中心样式 ==================== */

/* 消息下拉容器 */
.message-dropdown-wrapper {
    position: relative;
}

/* 消息下拉框 */
.message-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.message-dropdown.show {
    display: block;
    animation: dropdownSlideIn 0.2s ease;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 消息头部 */
.message-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fafafa;
}

.message-header .message-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.message-header .btn-text {
    font-size: 12px;
    color: var(--primary-color);
    padding: 4px 8px;
}

.message-header .btn-text:hover {
    background: rgba(24, 144, 255, 0.1);
}

/* 消息列表 */
.message-list {
    max-height: 360px;
    overflow-y: auto;
}

.message-list::-webkit-scrollbar {
    width: 4px;
}

.message-list::-webkit-scrollbar-track {
    background: transparent;
}

.message-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

/* 消息项 */
.message-item {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    position: relative;
}

.message-item:hover {
    background: #f5f5f5;
}

.message-item.unread {
    background: rgba(24, 144, 255, 0.04);
}

.message-item.unread:hover {
    background: rgba(24, 144, 255, 0.08);
}

/* 消息图标 */
.message-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
}

.message-icon.inspection {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

.message-icon.report {
    background: rgba(245, 34, 45, 0.1);
    color: var(--error-color);
}

.message-icon.lease {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.message-icon.system {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.message-icon.warning {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning-color);
}

.message-icon.success {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success-color);
}

.message-icon.info {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

/* 消息内容 */
.message-content {
    flex: 1;
    min-width: 0;
}

.message-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* 未读标记点 */
.message-unread-dot {
    width: 8px;
    height: 8px;
    background: var(--error-color);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 4px;
}

/* 消息底部 */
.message-footer {
    padding: 12px 16px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: #fafafa;
}

.message-footer .link {
    font-size: 13px;
}

/* 空状态 */
.message-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.message-empty i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.message-empty p {
    font-size: 14px;
}

/* 加载中 */
.message-loading {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.message-loading i {
    margin-right: 8px;
}

/* 加载更多 */
.message-load-more {
    padding: 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.message-load-more i {
    margin-right: 4px;
}

/* 消息角标 */
.header-actions .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--error-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    font-weight: 500;
}

.header-actions .badge.hidden {
    display: none !important;
}

/* 按钮小尺寸 */
.btn-sm {
    padding: 4px 12px;
    font-size: 14px;
}

/* ==================== 巡检记录照片样式 ==================== */

/* 照片缩略图容器 */
.inspection-photo-thumb {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.inspection-photo-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.inspection-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.inspection-photo-thumb:active {
    transform: scale(0.95);
}

/* 无照片占位符 */
.inspection-photo-thumb.no-photo {
    background: #f5f5f5;
    border-style: dashed;
}

.photo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 10px;
    gap: 2px;
}

.photo-placeholder i {
    font-size: 16px;
}

/* 表格照片单元格 */
.photo-cell {
    width: 80px;
    padding: 8px !important;
    vertical-align: middle;
}

/* ==================== 巡检详情照片样式 ==================== */

/* 照片区域容器 */
.inspection-photo-section {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafa;
    border: 1px solid var(--border-color);
}

.inspection-photo-section.no-photo {
    background: #f5f5f5;
    border-style: dashed;
}

/* 大图容器 */
.inspection-photo-large {
    position: relative;
    width: 100%;
    max-height: 400px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    cursor: pointer;
    overflow: hidden;
}

.inspection-photo-large img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.inspection-photo-large img.loaded {
    opacity: 1;
}

/* 加载动画 */
.photo-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.photo-loading i {
    font-size: 24px;
    animation: spin 1s linear infinite;
}

.inspection-photo-large img.loaded + .photo-loading {
    display: none;
}

/* 悬停遮罩 */
.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-overlay i {
    font-size: 24px;
}

.inspection-photo-large:hover .photo-overlay {
    opacity: 1;
}

.inspection-photo-large:hover img.loaded {
    transform: scale(1.02);
}

/* 大图占位符 */
.photo-placeholder-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-muted);
    gap: 12px;
}

.photo-placeholder-large i {
    font-size: 48px;
}

.photo-placeholder-large span {
    font-size: 14px;
}

/* 错误提示 */
.photo-error-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--error-color);
    gap: 12px;
}

.photo-error-large i {
    font-size: 48px;
}

/* 照片信息 */
.inspection-photo-info {
    padding: 12px 16px;
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.photo-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.photo-info-item i {
    color: var(--primary-color);
    width: 16px;
}

/* 详情信息区域 */
.inspection-detail-info {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ==================== 仪表盘样式完善 ==================== */

/* 统计卡片描述文字 */
.stat-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 红色脉冲动画（用于已到期） */
.stat-icon.red-pulse {
    background: linear-gradient(135deg, #ff4d4f 0%, #f5222d 100%);
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% {
        box-shadow: 0 0 0 0 rgba(245, 34, 45, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(245, 34, 45, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(245, 34, 45, 0);
    }
}

/* 巡检员活跃度排行样式 */
.inspector-ranking {
    padding: 8px 0;
}

.ranking-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 0;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.ranking-item:hover {
    background-color: rgba(24, 144, 255, 0.04);
}

.ranking-item.rank-1 {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
}

.ranking-item.rank-2 {
    background: linear-gradient(90deg, rgba(192, 192, 192, 0.1) 0%, transparent 100%);
}

.ranking-item.rank-3 {
    background: linear-gradient(90deg, rgba(205, 127, 50, 0.1) 0%, transparent 100%);
}

.ranking-medal {
    font-size: 20px;
    width: 28px;
    text-align: center;
}

.rank-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.ranking-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.ranking-info {
    flex: 1;
    min-width: 0;
}

.ranking-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.ranking-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.ranking-progress {
    height: 100%;
    background: linear-gradient(90deg, #1890ff 0%, #52c41a 100%);
    border-radius: 3px;
    transition: width 1s ease;
}

.ranking-count {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 50px;
    text-align: right;
}

/* 图表容器样式 */
#inspection-trend-chart,
#area-heatmap-chart {
    max-height: 300px;
}

/* ==================== 导出功能样式 ==================== */

/* 单选按钮组 */
.radio-group {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.radio-label:hover {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.04);
}

.radio-label input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked + span {
    color: var(--primary-color);
    font-weight: 500;
}

/* 表单说明文字 */
.form-text {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 导出按钮 */
.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #f5f5f5;
    border-color: var(--text-secondary);
}

/* ==================== 导入功能样式 ==================== */

/* 导入步骤 */
.import-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.import-step {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: #fafafa;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* 上传区域 */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.02);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.08);
}

.upload-area i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.upload-area p {
    margin: 0;
    color: var(--text-secondary);
}

.upload-link {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px !important;
}

/* 预览区域 */
.import-preview {
    margin-top: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #fafafa;
    border-bottom: 1px solid var(--border-color);
}

.preview-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}

.preview-count {
    font-size: 13px;
    color: var(--text-secondary);
}

.preview-table-wrapper {
    max-height: 200px;
    overflow: auto;
}

.preview-table {
    margin: 0;
}

.preview-table th,
.preview-table td {
    padding: 8px 12px;
    font-size: 13px;
}

/* 验证结果 */
.preview-result {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
}

.result-success {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #52c41a;
}

.result-success i {
    font-size: 20px;
}

.result-error {
    color: #f5222d;
}

.error-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-bottom: 8px;
}

.error-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.error-item {
    font-size: 13px;
    padding: 4px 8px;
    background: #fff2f0;
    border-radius: 4px;
}

.error-more {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 4px;
}


/* ==================== �������೵λѡ����ʽ ==================== */

.space-selector {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    background: #fafafa;
}

.area-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.area-filter-btn {
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
}

.area-filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.area-filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.area-group {
    margin-bottom: 16px;
}

.area-group-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-left: 8px;
    border-left: 3px solid var(--primary-color);
}

.space-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

.space-item {
    position: relative;
    padding: 12px 8px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.space-item:hover:not(.occupied) {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(24, 144, 255, 0.15);
}

.space-item.selected {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.08);
}

.space-item.selected::after {
    content: '✓';
    position: absolute;
    top: -8px;
    right: -8px;
    width: 22px;
    height: 22px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.space-item.occupied {
    background: #f5f5f5;
    border-color: #e8e8e8;
    color: var(--text-muted);
    cursor: not-allowed;
}

.space-item.occupied .space-status {
    color: var(--error-color);
}

.space-item .space-no {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.space-item .space-status {
    font-size: 11px;
    color: var(--success-color);
}

.selected-spaces-display {
    margin-top: 12px;
    padding: 12px;
    background: white;
    border-radius: 6px;
    border: 1px dashed var(--border-color);
}

.selected-spaces-display:empty {
    display: none;
}

.selected-space-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(24, 144, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 16px;
    margin: 4px;
    font-size: 13px;
}

.selected-space-tag .remove-btn {
    cursor: pointer;
    color: var(--error-color);
    font-size: 12px;
}

.selected-space-tag .remove-btn:hover {
    color: #ff4d4f;
}

/* ==================== �������೵��������ʽ ==================== */

.plate-input-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    background: #fafafa;
}

.plate-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.plate-input-row input {
    flex: 1;
}

.plate-input-row .btn-remove-plate {
    padding: 8px 12px;
    color: var(--error-color);
    background: transparent;
    border: 1px solid var(--error-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.plate-input-row .btn-remove-plate:hover {
    background: var(--error-color);
    color: white;
}

.btn-add-plate {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.1);
    border: 1px dashed var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
}

.btn-add-plate:hover {
    background: var(--primary-color);
    color: white;
}

.plate-batch-import {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}

.plate-batch-import textarea {
    width: 100%;
    min-height: 80px;
    resize: vertical;
}

/* ==================== 关于我们设置页面样式 ==================== */

#about-settings-page .form-group textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

#about-settings-page .form-group textarea.form-control[rows="3"] {
    min-height: 80px;
}

#about-settings-page .form-group textarea.form-control[rows="4"] {
    min-height: 100px;
}

#about-settings-page .form-group textarea.form-control[rows="6"] {
    min-height: 140px;
}

/* ==================== ������ͷ���ϴ���ʽ ==================== */

.avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #fafafa;
    transition: all 0.3s;
    cursor: pointer;
}

.avatar-preview:hover {
    border-color: var(--primary-color);
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-preview .avatar-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
}

.avatar-preview .avatar-placeholder i {
    font-size: 40px;
    margin-bottom: 8px;
}

.avatar-upload input[type='file'] {
    display: none;
}

.avatar-upload-hint {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== �������� ==================== */

/* ==================== ������������ҳ����ʽ�������� ==================== */

.about-card {
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.about-card .card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f4ff 100%);
    border-bottom: 1px solid #e8f4ff;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

.about-card .card-header i {
    font-size: 18px;
}

.about-card .card-body {
    padding: 24px;
}

.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.form-group-half {
    flex: 1;
    min-width: 280px;
}

.about-card .form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.about-card .form-group label i {
    color: var(--primary-color);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.label-tip {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: normal;
    margin-left: auto;
    padding: 2px 8px;
    background: #f5f5f5;
    border-radius: 4px;
}

.about-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 0;
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
}

.about-actions .btn {
    padding: 10px 24px;
    font-size: 14px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.page-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: normal;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .form-group-half {
        min-width: 100%;
    }
    
    .about-card .card-body {
        padding: 16px;
    }
    
    .label-tip {
        display: none;
    }
    
    .about-actions {
        flex-direction: column;
    }
    
    .about-actions .btn {
        width: 100%;
        justify-content: center;
    }
}