/* ========================================
   彩票分析系统 - 全局样式
   ======================================== */

/* 重置与基础 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

a {
    color: #409eff;
    text-decoration: none;
}

a:hover {
    color: #66b1ff;
}

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

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 8px;
}

.login-header p {
    color: #999;
    font-size: 14px;
}

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

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.2s;
    outline: none;
}

.login-form input:focus {
    border-color: #409eff;
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}

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

/* ========================================
   按钮
   ======================================== */
.btn {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: #409eff;
    color: #fff;
    border-color: #409eff;
}

.btn-primary:hover {
    background-color: #66b1ff;
    border-color: #66b1ff;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

.btn-block {
    display: block;
    width: 100%;
}

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

/* ========================================
   提示框
   ======================================== */
.alert {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 13px;
}

.alert-error {
    background-color: #fef0f0;
    color: #f56c6c;
    border: 1px solid #fde2e2;
}

.alert-success {
    background-color: #f0f9eb;
    color: #67c23a;
    border: 1px solid #e1f3d8;
}

/* ========================================
   后台管理布局
   ======================================== */
.admin-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部导航栏 */
.navbar {
    display: flex;
    align-items: center;
    background-color: #304156;
    color: #fff;
    padding: 0 20px;
    height: 56px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand a {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
}

.navbar-menu {
    margin-left: 40px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.navbar-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

.user-info {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
}

.user-role {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

/* 主体区域 */
.admin-wrapper {
    display: flex;
    flex: 1;
}

/* 侧边栏 */
.sidebar {
    width: 180px;
    background-color: #fff;
    border-right: 1px solid #e6e6e6;
    padding: 20px 0;
    min-height: calc(100vh - 56px - 40px);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-link {
    display: block;
    padding: 10px 20px;
    color: #555;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: #ecf5ff;
    color: #409eff;
    border-left-color: #409eff;
}

/* 主内容区 */
.admin-main {
    flex: 1;
    padding: 24px;
    background-color: #f5f7fa;
}

/* 页头 */

/* ========================================
   Dashboard 卡片
   ======================================== */
.dashboard-welcome {
    margin-bottom: 24px;
}

.welcome-card {
    background: #fff;
    border-radius: 6px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.welcome-card h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 12px;
}

.welcome-card p {
    color: #666;
    margin-bottom: 6px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.stat-card {
    background: #fff;
    border-radius: 6px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.stat-icon {
    font-size: 36px;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

/* ========================================
   页头操作栏
   ======================================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 20px;
    color: #333;
    font-weight: 600;
}

/* ========================================
   数据表格
   ======================================== */
.table-container {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #ebeef5;
    font-size: 13px;
}

.data-table th {
    background-color: #fafafa;
    color: #909399;
    font-weight: 500;
    font-size: 12px;
}

.data-table tbody tr:hover {
    background-color: #f5f7fa;
}

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

.data-table .text-muted {
    color: #c0c4cc;
}

.data-table .url-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table .url-cell a {
    color: #409eff;
    word-break: break-all;
}

.data-table code {
    background: #f4f4f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
    color: #606266;
}

/* ========================================
   状态标签
   ======================================== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background-color: #f0f9eb;
    color: #67c23a;
}

.badge-disabled {
    background-color: #f4f4f5;
    color: #909399;
}

/* ========================================
   分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination a {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    color: #606266;
    font-size: 13px;
    transition: all 0.2s;
}

.pagination a:hover {
    color: #409eff;
    border-color: #409eff;
}

.pagination a.active {
    background-color: #409eff;
    color: #fff;
    border-color: #409eff;
}

/* ========================================
   模态框
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: #fff;
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #ebeef5;
}

.modal-header h3 {
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

.modal-close {
    font-size: 22px;
    color: #909399;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal form {
    padding: 20px;
}

.modal .form-group {
    margin-bottom: 18px;
}

.modal .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
    font-size: 13px;
}

.modal .form-group input[type="text"],
.modal .form-group input[type="url"],
.modal .form-group input[type="date"],
.modal .form-group input[type="datetime-local"],
.modal .form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.modal .form-group input:focus {
    border-color: #409eff;
    box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}

.modal .form-group .required {
    color: #f56c6c;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

.modal-body {
    padding: 20px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #909399;
}

.action-cell {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* 开关 */
.switch-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #dcdfe6;
    border-radius: 20px;
    transition: 0.3s;
}

.switch-slider::before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: #fff;
    border-radius: 50%;
    transition: 0.3s;
}

.switch input:checked + .switch-slider {
    background-color: #409eff;
}

.switch input:checked + .switch-slider::before {
    transform: translateX(20px);
}

.switch-text {
    font-size: 13px;
    color: #606266;
}

/* ========================================
   Toast 提示
   ======================================== */
.toast {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    z-index: 2000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.toast-success {
    background-color: #f0f9eb;
    color: #67c23a;
    border: 1px solid #e1f3d8;
}

.toast-error {
    background-color: #fef0f0;
    color: #f56c6c;
    border: 1px solid #fde2e2;
}

/* ========================================
   按钮补充
   ======================================== */
.btn-danger {
    background-color: #f56c6c;
    color: #fff;
    border-color: #f56c6c;
}

.btn-danger:hover {
    background-color: #f78989;
    border-color: #f78989;
    color: #fff;
}

.btn-outline-dark {
    background-color: transparent;
    color: #606266;
    border-color: #dcdfe6;
}

.btn-outline-dark:hover {
    color: #409eff;
    border-color: #409eff;
}

/* ========================================
   底部
   ======================================== */
.admin-footer {
    background-color: #fff;
    border-top: 1px solid #e6e6e6;
    text-align: center;
    padding: 10px;
    color: #999;
    font-size: 12px;
}

/* ========================================
   页头操作栏
   ======================================== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   下拉选择框
   ======================================== */
.select-input {
    padding: 6px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 13px;
    color: #606266;
    outline: none;
    background: #fff;
    transition: border-color 0.2s;
}

.select-input:focus {
    border-color: #409eff;
}

/* ========================================
   筛选栏
   ======================================== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #606266;
}

.filter-bar-extended {
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 16px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.filter-row:last-child {
    margin-bottom: 0;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-item label {
    white-space: nowrap;
    font-size: 13px;
    color: #606266;
}

.filter-item-wide {
    flex: 1;
}

.input-numbers {
    flex: 1;
    min-width: 200px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    white-space: nowrap;
    font-size: 13px;
    color: #606266;
}

.checkbox-label input[type="checkbox"] {
    width: 15px;
    height: 15px;
    cursor: pointer;
    accent-color: #409eff;
}

.total-count {
    margin-left: auto;
    color: #909399;
    font-size: 12px;
}

/* ========================================
   抓取状态提示
   ======================================== */
.fetch-status {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
}

.fetch-info {
    background-color: #ecf5ff;
    color: #409eff;
    border: 1px solid #d9ecff;
}

.fetch-success {
    background-color: #f0f9eb;
    color: #67c23a;
    border: 1px solid #e1f3d8;
}

.fetch-error {
    background-color: #fef0f0;
    color: #f56c6c;
    border: 1px solid #fde2e2;
}

/* ========================================
   号码球
   ======================================== */
.ball-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.ball {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}

.ball-default {
    background-color: #409eff;
}

.ball-special {
    background-color: #f56c6c;
}

.ball-red {
    background-color: #e74c3c;
}

.ball-blue {
    background-color: #3498db;
}

.ball-green {
    background-color: #27ae60;
}

.ball-sep {
    margin: 0 2px;
    color: #909399;
    font-size: 13px;
}

/* ========================================
   生肖标签
   ======================================== */
.animal-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.animal-tag {
    display: inline-block;
    padding: 2px 6px;
    background: #f4f4f5;
    border-radius: 3px;
    font-size: 11px;
    color: #606266;
    min-width: 22px;
    text-align: center;
}

.animal-sep {
    margin: 0 2px;
    color: #c0c4cc;
    font-size: 12px;
}

/* 详情弹窗属性卡片 */
.detail-attrs-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 10px 0;
}

.attr-card {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #ebeef5;
}

.attr-color {
    font-size: 12px;
    color: #909399;
}

.attr-animal {
    font-size: 13px;
    font-weight: 500;
    color: #606266;
}

/* 结果行可点击 */
.result-row {
    cursor: pointer;
}

.result-row:hover {
    background-color: #ecf5ff !important;
}

/* ========================================
   详情内容
   ======================================== */
.detail-content {
    padding: 20px;
}

.detail-section p {
    margin-bottom: 8px;
    font-size: 13px;
    color: #606266;
}

.detail-numbers {
    margin: 12px 0;
}

.detail-numbers .ball {
    width: 36px;
    height: 36px;
    font-size: 14px;
}

.mt-12 {
    margin-top: 12px;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.detail-table th,
.detail-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid #ebeef5;
    font-size: 13px;
}

.detail-table th {
    background: #fafafa;
    color: #909399;
    font-weight: 500;
}

/* ========================================
   按钮补充
   ======================================== */
.btn-success {
    background-color: #67c23a;
    color: #fff;
    border-color: #67c23a;
}

.btn-success:hover {
    background-color: #85ce61;
    border-color: #85ce61;
    color: #fff;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.badge-info {
    background-color: #ecf5ff;
    color: #409eff;
}

/* ========================================
   模拟测试页面
   ======================================== */

/* 配置区 */
.sim-config {
    background: #fff;
    padding: 16px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
}

.sim-config-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sim-config-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sim-config-item label {
    white-space: nowrap;
    font-size: 13px;
    color: #606266;
}

.input-sm {
    width: 80px;
}

/* 号码选择区 */
.sim-number-section {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
}

.sim-section-title {
    margin-bottom: 16px;
}

.sim-section-title h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 4px;
}

.sim-hint {
    font-size: 12px;
    color: #909399;
}

.sim-number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 6px;
    margin-bottom: 16px;
}

.num-cell {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #dcdfe6;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 600;
    color: #606266;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.num-cell:hover {
    border-color: #409eff;
    color: #409eff;
}

.num-cell.selected {
    background-color: #409eff;
    border-color: #409eff;
    color: #fff;
}

.sim-selected-info,
.sim-remaining-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: #606266;
}

.sim-selected-nums {
    color: #409eff;
    font-weight: 500;
}

/* 期数选择 */
.sim-period-section {
    background: #fff;
    padding: 16px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
}

/* 汇总区 */
.sim-summary {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
}

.summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #ebeef5;
}

.summary-header h3 {
    font-size: 16px;
    color: #333;
}

.summary-total {
    font-size: 18px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.summary-card {
    background: #f9f9f9;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ebeef5;
}

.summary-label {
    font-size: 12px;
    color: #909399;
    margin-bottom: 4px;
}

.summary-value {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* 盈亏颜色 */
.profit-positive {
    color: #67c23a;
}

.profit-negative {
    color: #f56c6c;
}

/* 模拟结果表格 */
.sim-results {
    background: #fff;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.sim-results h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 16px;
}

.sim-table .ball-hit {
    background-color: #e6a23c;
}

.sim-table .ball-sm {
    width: 22px;
    height: 22px;
    font-size: 10px;
    margin: 1px;
}

.sim-table td {
    font-size: 12px;
}

/* 模式选择器 */
.sim-mode-selector {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 10px 14px;
    background: #f5f7fa;
    border-radius: 6px;
}

.mode-radio {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 13px;
    color: #606266;
    white-space: nowrap;
}

.mode-radio input[type="radio"] {
    margin: 0;
    cursor: pointer;
}

/* 基础号码展示 */
.sim-base-nums {
    margin-top: 12px;
    padding: 10px 14px;
    background: #f0f9eb;
    border-radius: 6px;
    font-size: 13px;
    color: #606266;
}

.sim-base-nums .ball {
    margin: 0 3px;
}

/* 收藏项样式 */
.fav-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #f5f7fa;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.fav-item:hover {
    background: #ecf5ff;
    border-color: #409eff;
}
.fav-name {
    font-weight: 500;
    color: #333;
}
.fav-mode {
    font-size: 11px;
    color: #909399;
    background: #e8eaed;
    padding: 1px 6px;
    border-radius: 3px;
}
.fav-del {
    color: #c0c4cc;
    font-size: 16px;
    line-height: 1;
    margin-left: 2px;
}
.fav-del:hover {
    color: #f56c6c;
}
.fav-manage-mode {
    border-color: #f56c6c;
    background: #fef0f0;
}
.fav-manage-mode .fav-del {
    color: #f56c6c;
    font-size: 18px;
}

/* 可排序表头 */
th.sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
th.sortable:hover {
    background: #f0f2f5;
}
th.sortable .sort-arrow {
    font-size: 10px;
    margin-left: 2px;
    color: #909399;
}
th.sort-active {
    background: #ecf5ff;
    color: #409eff;
}
th.sort-active .sort-arrow {
    color: #409eff;
}