/* ========== 账户中心页面专用样式 ========== */

        /* 页面整体布局 */
        .account-page {
            display: flex;
            min-height: calc(100vh - 60px);
            background: var(--bg-light);
        }

        /* ========== 左侧边栏 ========== */
        .account-sidebar {
            width: 220px;
            min-width: 220px;
            background: var(--color-white);
            border-right: 1px solid var(--border-color);
            padding: 20px 0;
            position: sticky;
            top: 60px;
            height: calc(100vh - 60px);
            overflow-y: auto;
        }

        .sidebar-section-title {
            font-size: 12px;
            color: var(--color-text-muted);
            padding: 0 20px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .sidebar-menu {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-menu li {
            margin: 0;
        }

        .sidebar-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 20px;
            font-size: 14px;
            color: var(--color-text-body);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            border-left: 3px solid transparent;
            cursor: pointer;
        }

        .sidebar-menu a:hover {
            background: var(--bg-light);
            color: var(--color-primary);
        }

        .sidebar-menu a.active {
            border-left: 3px solid var(--color-primary);
            background: var(--color-bg-hover);
            color: var(--color-primary);
            font-weight: 600;
        }

        .sidebar-menu a .menu-icon {
            font-size: 16px;
            width: 20px;
            text-align: center;
        }

        .sidebar-divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 12px 20px;
        }

        /* ========== 右侧内容区域 ========== */
        .account-content {
            flex: 1;
            padding: 24px;
            min-width: 0;
        }

        /* 面板切换动画 */
        .panel {
            display: none;
            animation: fadeIn 0.3s ease;
        }

        .panel.active {
            display: block;
        }

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

        /* ========== 通用卡片样式 ========== */
        .card {
            background: var(--color-white);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            padding: 20px;
            margin-bottom: 20px;
        }

        /* ========== 通用按钮样式 ========== */
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            border: none;
            border-radius: 8px;
            padding: 8px 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .btn-secondary {
            background: var(--color-white);
            color: var(--color-text-body);
            border: 1px solid var(--color-border-default);
            border-radius: 8px;
            padding: 8px 24px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ========== 面板标题 ========== */
        .panel-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* ========== 标签筛选栏 ========== */
        .filter-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-tab {
            padding: 6px 20px;
            border-radius: 9999px;
            font-size: 13px;
            color: var(--color-text-body);
            background: var(--color-white);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            text-decoration: none;
        }

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

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

        /* ========== 搜索框 ========== */
        .search-box {
            display: flex;
            align-items: center;
            background: var(--color-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 0 12px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            max-width: 320px;
        }

        .search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(230, 0, 18, 0.1);
        }

        .search-box i {
            color: var(--color-text-muted);
            font-size: 14px;
        }

        .search-box input {
            border: none;
            outline: none;
            padding: 8px 10px;
            font-size: 13px;
            color: var(--color-dark);
            flex: 1;
            background: transparent;
        }

        .search-box input::placeholder {
            color: var(--color-text-muted);
        }

        /* ========== 表格样式 ========== */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .data-table th {
            background: var(--bg-light);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-body);
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
            white-space: nowrap;
        }

        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-dark);
            font-size: 14px;
            vertical-align: middle;
        }

        .data-table tr:hover td {
            background: var(--color-bg-subtle);
        }

        .data-table .thumb {
            width: 48px;
            height: 36px;
            object-fit: cover;
            border-radius: 4px;
            background: var(--color-border-light);
        }

        .data-table .action-link {
            color: var(--color-primary);
            text-decoration: none;
            font-size: 13px;
            cursor: pointer;
        }

        .data-table .action-link:hover {
            text-decoration: underline;
        }

        /* ========== 状态标签 ========== */
        .status-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
        }

        .status-tag.success {
            background: var(--toast-success-bg);
            color: var(--color-success);
            border: 1px solid var(--toast-success-border);
        }

        .status-tag.warning {
            background: var(--toast-warning-bg);
            color: var(--color-warning);
            border: 1px solid var(--toast-warning-border);
        }

        .status-tag.error {
            background: var(--color-error-bg);
            color: var(--color-error);
            border: 1px solid var(--toast-error-border);
        }

        .status-tag.info {
            background: var(--toast-info-bg);
            color: var(--color-info);
            border: 1px solid var(--toast-info-border);
        }

        /* ========== 空状态 ========== */
        .empty-state {
            text-align: center;
            padding: 80px 20px;
        }

        .empty-state .empty-icon {
            font-size: 64px;
            color: var(--color-border-default);
            margin-bottom: 16px;
        }

        .empty-state .empty-title {
            font-size: 16px;
            color: var(--color-text-body);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .empty-state .empty-desc {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        /* ========== 账户概览面板 ========== */

        /* 用户信息卡片 */
        .user-info-card {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .user-avatar-large {
            background: var(--gradient-primary);
            display: flex;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 24px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .user-meta h2 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 4px;
        }

        .user-meta .user-email {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .user-meta .user-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .user-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 10px;
            border-radius: 9999px;
            font-size: 12px;
            font-weight: 500;
        }

        .user-tag.vip {
            background: var(--toast-warning-bg);
            color: var(--color-warning);
            border: 1px solid var(--toast-warning-border);
        }

        .user-tag.normal {
            background: var(--toast-success-bg);
            color: var(--color-success);
            border: 1px solid var(--toast-success-border);
        }

        .user-tag.time {
            background: var(--bg-light);
            color: var(--color-text-muted);
            border: 1px solid var(--border-color);
        }

        /* 统计数据网格 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            padding: 20px;
            text-align: center;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* 快捷入口网格 */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .quick-item {
            background: var(--color-white);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            padding: 20px 12px;
            text-align: center;
            cursor: pointer;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            text-decoration: none;
        }

        .quick-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .quick-item .quick-icon {
            font-size: 28px;
            margin-bottom: 8px;
            display: block;
        }

        .quick-item .quick-label {
            font-size: 13px;
            color: var(--color-text-body);
            font-weight: 500;
        }

        /* 最近下载图片网格 */
        .download-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .download-card {
            border-radius: 8px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .download-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .download-card img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }

        .download-card .card-info {
            padding: 10px 12px;
        }

        .download-card .card-name {
            font-size: 13px;
            color: var(--color-dark);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }

        .download-card .card-date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== 我的收藏面板 ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .collection-card {
            background: var(--color-white);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            cursor: pointer;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .collection-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .collection-cover {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 2px;
            aspect-ratio: 1;
            background: var(--color-border-light);
        }

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

        .collection-info {
            padding: 10px 12px;
        }

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

        .collection-count {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== AI编辑记录面板 ========== */
        .date-group {
            margin-bottom: 24px;
        }

        .date-group-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 12px;
            padding-left: 4px;
        }

        .ai-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .ai-card {
            border-radius: 8px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .ai-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .ai-card img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }

        .ai-card .ai-info {
            padding: 10px 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .ai-card .ai-date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== 导航栏账户下拉菜单 ========== */
        .nav-user-dropdown {
            position: relative;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .nav-user-dropdown:hover {
            background: var(--bg-light);
        }

        .nav-user-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-user-name {
            font-size: 13px;
            color: var(--color-dark);
            font-weight: 500;
            white-space: nowrap;
        }

        .nav-user-arrow {
            font-size: 10px;
            color: var(--color-text-muted);
            transition: transform 0.2s ease;
        }

        .nav-user-dropdown:hover .nav-user-arrow {
            transform: rotate(180deg);
        }

        /* 下拉菜单面板 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: var(--color-white);
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            border: 1px solid var(--border-color);
            min-width: 180px;
            padding: 6px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-4px);
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            z-index: 1000;
        }

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

        .dropdown-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 16px;
            font-size: 13px;
            color: var(--color-text-body);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        .dropdown-menu a:hover {
            background: var(--color-bg-hover);
            color: var(--color-primary);
        }

        .dropdown-menu a i {
            font-size: 14px;
            width: 16px;
            text-align: center;
            color: var(--color-text-muted);
        }

        .dropdown-menu a:hover i {
            color: var(--color-primary);
        }

        .dropdown-menu .dropdown-divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 4px 0;
        }

        .dropdown-menu .logout-item {
            color: var(--color-text-muted);
        }

        .dropdown-menu .logout-item:hover {
            color: var(--color-error);
            background: var(--color-error-bg);
        }

        .dropdown-menu .logout-item:hover i {
            color: var(--color-error);
        }

        /* ========== 弹窗样式 ========== */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
        }

        .modal-overlay.show {
            display: flex;
        }

        .modal {
            background: var(--color-white);
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            width: 420px;
            max-width: 90vw;
            animation: modalIn 0.2s ease;
        }

        @keyframes modalIn {
            from { opacity: 0; transform: scale(0.95); }
            to { opacity: 1; transform: scale(1); }
        }

        .modal-header {
            padding: 20px 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .modal-header h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-dark);
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--color-text-muted);
            cursor: pointer;
            padding: 4px;
            transition: color 0.2s ease;
        }

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

        .modal-body {
            padding: 20px 24px;
        }

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

        .form-group:last-child {
            margin-bottom: 0;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-dark);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 9px 12px;
            border: 1px solid var(--color-border-default);
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-dark);
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
            outline: none;
        }

        .form-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(230, 0, 18, 0.1);
        }

        .form-input::placeholder {
            color: var(--color-text-placeholder);
        }

        .modal-footer {
            padding: 0 24px 20px;
            display: flex;
            justify-content: flex-end;
            gap: 12px;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .download-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .ai-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .account-sidebar {
                display: none;
            }
            .user-info-card {
                flex-direction: column;
                text-align: center;
            }
            .user-meta .user-tags {
                justify-content: center;
            }
            .quick-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .download-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ai-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .account-content {
                padding: 16px;
            }
            .nav-user-name {
                display: none;
            }
        }