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

:root {
    --primary-color: #3b82f6;
    --primary-dark: #1e40af;
    --sidebar-bg: #ffffff;
    --main-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --sidebar-width: 240px;
}

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

/* 管理后台容器 */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
}

.settings-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    font-size: 18px;
}

.free-test-btn {
    display: block;
    margin: 15px 20px;
    padding: 12px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    text-align: center;
    font-weight: 500;
    transition: background 0.3s;
}

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

/* 侧边栏导航 */
.sidebar-nav {
    flex: 1;
    padding: 10px 0;
    overflow-y: auto;
}

.nav-group {
    margin-bottom: 10px;
}

.nav-group-title {
    padding: 10px 20px 5px;
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: #f1f5f9;
    color: var(--primary-color);
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* 用户信息 */
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
}

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

.user-id {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
}

.user-email {
    font-size: 12px;
    color: var(--text-gray);
}

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

/* 顶部栏 */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: white;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-gray);
    cursor: pointer;
    position: relative;
}

.balance-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
}

.topup-text {
    opacity: 0.8;
}

.user-menu {
    font-size: 28px;
    color: var(--text-gray);
    cursor: pointer;
    position: relative;
}

.user-menu:hover {
    color: var(--primary-color);
}

/* 用户下拉菜单 */
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
    overflow: hidden;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: #f8fafc;
}

.user-dropdown-name {
    font-weight: 600;
    font-size: 15px;
    color: #1e293b;
    margin-bottom: 4px;
    line-height: 1.4;
    word-break: break-word;
}

.user-dropdown-email {
    font-size: 13px;
    color: #64748b;
    line-height: 1.4;
    word-break: break-word;
}

.user-dropdown-menu {
    padding: 8px 0;
}

.user-dropdown-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px;
    padding: 12px 20px;
    color: #1e293b !important;
    text-decoration: none !important;
    transition: background 0.2s;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.user-dropdown-item:hover {
    background: #f1f5f9 !important;
}

.user-dropdown-item i {
    width: 18px;
    font-size: 16px;
    color: #64748b;
    text-align: center;
    flex-shrink: 0;
}

.user-dropdown-item span {
    flex: 1;
    color: inherit;
}

.user-dropdown-item.logout {
    color: #ef4444 !important;
    border-top: 1px solid #e2e8f0;
    margin-top: 4px;
}

.user-dropdown-item.logout i {
    color: #ef4444 !important;
}

.user-dropdown-item.logout:hover {
    background: rgba(239, 68, 68, 0.05) !important;
}


/* 仪表盘内容 */
.dashboard-content {
    padding: 30px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

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

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* 快捷操作 */
.quick-actions {
    margin-bottom: 30px;
}

.quick-actions h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.action-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.action-card i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.action-card span {
    font-size: 14px;
    font-weight: 500;
}

/* 最近记录 */
.recent-section {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.recent-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

/* 数据表格 */
.table-container {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: #f8fafc;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-gray);
    text-transform: uppercase;
}

.data-table td {
    font-size: 14px;
    color: var(--text-dark);
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

/* 状态标签 */
.status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status.failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* 在线客服按钮 */
.chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: transform 0.3s;
}

.chat-btn:hover {
    transform: scale(1.1);
}

/* 页面内容区 */
.page-content {
    padding: 30px;
}

/* 内容卡片 */
.content-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.content-card h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-label .required {
    color: var(--danger-color);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-gray);
}

.form-hint.warning {
    color: var(--warning-color);
}

.form-hint.error {
    color: var(--danger-color);
}

/* 
按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: #f1f5f9;
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* 标签页 */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 25px;
}

.tab-item {
    padding: 15px 25px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
    text-decoration: none;
}

.tab-item:hover {
    color: var(--primary-color);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

/* 套餐卡片 */
.package-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.package-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    position: relative;
    transition: all 0.3s;
}

.package-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.package-card.selected {
    border-color: var(--primary-color);
}

.package-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.package-icon {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.package-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.package-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--primary-color);
    color: white;
    font-size: 11px;
    border-radius: 20px;
    margin-left: auto;
}

.package-count {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.package-price-info {
    margin-bottom: 15px;
}

.package-unit-price {
    font-size: 13px;
    color: var(--text-gray);
}

.package-unit-price span {
    color: var(--primary-color);
    font-weight: 600;
}

.package-quantity {
    font-size: 13px;
    color: var(--text-gray);
}

.package-total {
    margin-bottom: 20px;
}

.package-total .price {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.package-total .currency {
    font-size: 16px;
    color: var(--text-gray);
}

.package-total .note {
    font-size: 12px;
    color: var(--text-gray);
}

.package-type {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.type-tag {
    padding: 4px 12px;
    background: #f1f5f9;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-gray);
}

.type-tag.active {
    background: var(--primary-color);
    color: white;
}

.package-features {
    list-style: none;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 13px;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
}

.package-features li:last-child {
    border-bottom: none;
}

.package-features .check {
    color: var(--success-color);
}

.package-features .minus {
    color: var(--text-light);
}

/* 提示框 */
.info-box {
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 10px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.info-box-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.info-box-content {
    flex: 1;
}

.info-box-title {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.info-box-text {
    font-size: 13px;
    color: var(--text-gray);
}

/* 右侧帮助面板 */
.help-panel {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.help-panel h3 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.help-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.help-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-item-title .step {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.help-item-text {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.help-item-text .highlight {
    color: var(--primary-color);
    font-weight: 500;
}

.help-item-text .warning {
    color: var(--warning-color);
}

/* 字符计数 */
.char-count {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-gray);
}

.char-count .count {
    color: var(--primary-color);
}

/
* 两栏布局 */
.two-column {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

/* 文件上传区域 */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.02);
}

.upload-area i {
    font-size: 40px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.upload-area p {
    color: var(--text-gray);
    font-size: 14px;
}

.upload-area .btn {
    margin-top: 15px;
}

/* 输入标签 */
.input-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.input-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #f1f5f9;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-dark);
}

.input-tag .remove {
    cursor: pointer;
    color: var(--text-gray);
}

/* 搜索框 */
.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
}

.search-box i {
    color: var(--text-gray);
}

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.toolbar-left {
    display: flex;
    gap: 10px;
}

.toolbar-right {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 13px;
    color: var(--text-gray);
}

.pagination-buttons {
    display: flex;
    gap: 5px;
}

.pagination-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
    color: var(--text-gray);
    cursor: pointer;
    transition: all 0.3s;
}

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

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-gray);
}

.empty-state i {
    font-size: 60px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* 复选框 */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.checkbox.checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.checkbox-label {
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
}

/* 下拉选择器 */
.select-wrapper {
    position: relative;
}

.select-wrapper select {
    appearance: none;
    padding-right: 35px;
}

.select-wrapper::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-gray);
    pointer-events: none;
}

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid,
    .action-grid,
    .package-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        padding: 15px;
    }
    
    .page-content,
    .dashboard-content {
        padding: 15px;
    }
}

/*
 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    color: var(--text-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-gray);
    cursor: pointer;
    line-height: 1;
}

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

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
}

/* 通知提示 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    z-index: 2000;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.success i {
    color: var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
}

.notification.error i {
    color: var(--danger-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
}

.notification.info i {
    color: var(--primary-color);
}

/* 下拉按钮 */
.dropdown-btn {
    position: relative;
}

.dropdown-btn .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    min-width: 150px;
    z-index: 100;
    margin-top: 5px;
}

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

.dropdown-menu a {
    display: block;
    padding: 10px 15px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
}

.dropdown-menu a:hover {
    background: #f8fafc;
}

/* 标签页内容 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 加载动画 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 徽章 */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    background: var(--primary-color);
    color: white;
}

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

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

.badge.danger {
    background: var(--danger-color);
}

/* 折扣标签 */
.discount-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 10px;
}

/* 工具提示 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--text-dark);
    color: white;
    font-size: 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    margin-bottom: 5px;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 进度条 */
.progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar .progress {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.3s;
}

/* 开关按钮 */
.switch {
    position: relative;
    width: 44px;
    height: 24px;
}

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

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.switch .slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.switch input:checked + .slider {
    background: var(--primary-color);
}

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