:root {
            --color-fg-default: #24292f;
            --color-fg-muted: #57606a;
            --color-fg-subtle: #8c959f;
            --color-fg-on-emphasis: #ffffff;
            --color-canvas-default: #ffffff;
            --color-canvas-subtle: #f6f8fa;
            --color-canvas-inset: #eaeef2;
            --color-border-default: #d0d7de;
            --color-border-muted: #d8dee4;
            --color-accent-fg: #0969da;
            --color-accent-subtle: #ddf4ff;
            --color-success-fg: #1a7f37;
            --color-success-subtle: #dafbe1;
            --color-danger-fg: #cf222e;
            --color-danger-subtle: #ffebe9;
            --color-attention-fg: #9a6700;
            --color-attention-subtle: #fff8c5;
            --shadow: 0 1px 0 rgba(27,31,36,0.04);
            --shadow-md: 0 3px 6px rgba(140,149,159,0.15);
            --radius: 6px;
            --radius-lg: 6px;
        }

        /* 钉钉进步体字体 */
        @font-face {
            font-family: 'DingTalk JinBuTi';
            src: url('/fonts/DingTalk JinBuTi.ttf') format('truetype');
            font-weight: normal;
            font-style: normal;
            font-display: swap;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            font-family: 'DingTalk JinBuTi', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
            font-size: 14px;
            line-height: 1.5;
            color: var(--color-fg-default);
            background: var(--color-canvas-subtle);
            min-height: 100vh;
        }

        /* ===== Header ===== */
        .header {
            background: var(--color-canvas-default);
            border-bottom: 1px solid var(--color-border-muted);
            padding: 0 24px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 18px;
            color: var(--color-fg-default);
        }
        .header-brand img { height: 28px; }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-link {
            color: var(--color-fg-muted);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius);
            transition: background 0.2s, color 0.2s;
        }
        .header-link:hover {
            color: var(--color-fg-default);
            background: var(--color-canvas-subtle);
        }
        .header-link.primary {
            color: var(--color-fg-on-emphasis);
            background: var(--color-success-fg);
        }
        .header-link.primary:hover {
            background: #16692e;
            color: var(--color-fg-on-emphasis);
        }
        .header-user {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-fg-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius);
            white-space: nowrap;
        }
        .header-user #adminNickname { color: var(--color-fg-default); font-weight: 600; }

        /* ===== Main Layout ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 32px 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 16px; }
            .header { padding: 0 16px; }
            .header-brand .brand-text { display: none; }
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin-bottom: 32px;
        }
        .stat-card {
            background: var(--color-canvas-default);
            border: 1px solid var(--color-border-muted);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-fg-default);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--color-fg-muted);
            margin-top: 4px;
        }

        /* ===== Section ===== */
        .section {
            background: var(--color-canvas-default);
            border: 1px solid var(--color-border-muted);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border-muted);
            background: var(--color-canvas-subtle);
            gap: 12px;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-title i { color: var(--color-fg-muted); }
        .section-actions {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ===== Search ===== */
        .search-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-canvas-subtle);
            border: 1px solid var(--color-border-default);
            border-radius: var(--radius);
            padding: 3px 10px;
        }
        .search-wrap i { color: var(--color-fg-muted); font-size: 11px; }
        .search-wrap input {
            border: none;
            background: transparent;
            font-size: 12px;
            color: var(--color-fg-default);
            outline: none;
            width: 150px;
        }
        .search-wrap input::placeholder { color: var(--color-fg-subtle); }

        /* ===== Pagination ===== */
        .page-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-muted);
        }
        .page-btn {
            min-width: 30px;
            height: 30px;
            padding: 0 9px;
            border-radius: 5px;
            border: 1px solid var(--color-border-default);
            background: var(--color-canvas-default);
            color: var(--color-fg-default);
            font-size: 12px;
            cursor: pointer;
            transition: background .15s, border-color .15s, color .15s;
        }
        .page-btn:hover:not(:disabled):not(.active) { background: var(--color-canvas-subtle); border-color: var(--color-border-muted); color: var(--color-fg-default); }
        .page-btn.active { background: var(--color-success-subtle); border-color: var(--color-success-fg); color: var(--color-success-fg); font-weight: 600; }
        .page-btn:disabled { opacity: .35; cursor: not-allowed; }
        .page-ellipsis { color: var(--color-fg-muted); padding: 0 2px; }
        .page-info { margin-left: auto; font-size: 12px; color: var(--color-fg-muted); white-space: nowrap; }

        /* ===== Tabs ===== */
        .tab-nav {
            display: flex;
            border-bottom: 1px solid var(--color-border-muted);
            margin: 0;
            background: var(--color-canvas-subtle);
        }
        .tab-btn {
            padding: 12px 20px;
            border: none;
            background: none;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-fg-muted);
            cursor: pointer;
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
            transition: color 0.2s, border-color 0.2s;
        }
        .tab-btn:hover { color: var(--color-fg-default); }
        .tab-btn.active {
            color: var(--color-fg-default);
            border-bottom-color: var(--color-accent-fg);
        }

        /* ===== Table ===== */
        .table-wrap {
            overflow-x: auto;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
        }
        thead tr {
            background: var(--color-canvas-subtle);
            border-bottom: 1px solid var(--color-border-muted);
        }
        th {
            padding: 10px 16px;
            text-align: left;
            font-weight: 600;
            color: var(--color-fg-muted);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-canvas-inset);
            vertical-align: middle;
        }
        tbody tr:last-child td { border-bottom: none; }
        tbody tr:hover { background: var(--color-canvas-subtle); }

        .site-name {
            font-weight: 600;
            color: var(--color-accent-fg);
            text-decoration: none;
            font-family: 'SFMono-Regular', Consolas, monospace;
            font-size: 12px;
        }
        .site-name:hover { text-decoration: underline; }
        .site-owner { color: var(--color-fg-muted); font-size: 12px; }
        .site-meta { color: var(--color-fg-subtle); font-size: 12px; font-family: monospace; }
        .site-time { color: var(--color-fg-muted); font-size: 12px; white-space: nowrap; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius);
            border: 1px solid;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s, color 0.2s;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary {
            background: var(--color-canvas-default);
            border-color: var(--color-border-default);
            color: var(--color-fg-default);
        }
        .btn-secondary:hover {
            background: var(--color-canvas-subtle);
            border-color: var(--color-border-muted);
        }
        .btn-primary {
            background: var(--color-accent-fg);
            border-color: var(--color-accent-fg);
            color: #fff;
        }
        .btn-primary:hover { background: #0860ca; }
        .btn-danger {
            background: var(--color-canvas-default);
            border-color: var(--color-border-default);
            color: var(--color-danger-fg);
        }
        .btn-danger:hover {
            background: var(--color-danger-subtle);
            border-color: var(--color-danger-fg);
        }
        .btn-group { display: flex; gap: 4px; }

        /* ===== Modal ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            padding: 16px;
        }
        .modal-overlay.active { display: flex; }
        .modal {
            background: var(--color-canvas-default);
            border: 1px solid var(--color-border-muted);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            max-width: 900px;
            max-height: 85vh;
            display: flex;
            flex-direction: column;
            animation: modal-in 0.2s ease;
        }
        @keyframes modal-in {
            from { opacity: 0; transform: scale(0.97); }
            to { opacity: 1; transform: scale(1); }
        }
        .modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border-muted);
        }
        .modal-title {
            font-size: 16px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .modal-close {
            width: 32px;
            height: 32px;
            border: none;
            background: none;
            border-radius: var(--radius);
            cursor: pointer;
            color: var(--color-fg-muted);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .modal-close:hover { background: var(--color-canvas-subtle); color: var(--color-fg-default); }
        .modal-body { flex: 1; overflow-y: auto; padding: 20px; min-height: 0; }
        .modal-footer {
            display: flex;
            justify-content: flex-end;
            gap: 8px;
            padding: 16px 20px;
            border-top: 1px solid var(--color-border-muted);
        }

        /* ===== Toast ===== */
        .toast {
            position: fixed;
            bottom: 24px;
            right: 24px;
            padding: 12px 20px;
            border-radius: var(--radius);
            font-size: 13px;
            font-weight: 500;
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.2s, transform 0.2s;
            z-index: 2000;
            pointer-events: none;
            max-width: 400px;
        }
        .toast.show { opacity: 1; transform: translateY(0); }
        .toast.error { background: var(--color-danger-subtle); color: var(--color-danger-fg); border: 1px solid var(--color-danger-fg); }
        .toast.success { background: var(--color-success-subtle); color: var(--color-success-fg); border: 1px solid var(--color-success-fg); }

        /* ===== States ===== */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-fg-muted);
        }
        .empty-state i { font-size: 40px; margin-bottom: 16px; opacity: 0.4; }
        .empty-state p { font-size: 14px; }
        .loading-state {
            text-align: center;
            padding: 40px;
            color: var(--color-fg-muted);
        }
        .loading-state i { font-size: 24px; animation: spin 1s linear infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }

        textarea {
            width: 100%;
            height: 400px;
            border: 1px solid var(--color-border-default);
            border-radius: var(--radius);
            padding: 12px;
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            font-size: 12px;
            resize: vertical;
            background: var(--color-canvas-subtle);
            color: var(--color-fg-default);
        }
        textarea:focus { outline: none; border-color: var(--color-accent-fg); box-shadow: 0 0 0 3px rgba(9,105,218,0.15); }

        /* ===== Responsive Table ===== */
        @media (max-width: 768px) {
            .section-header { flex-direction: column; align-items: flex-start; }
            .btn { padding: 4px 10px; font-size: 11px; }
            th, td { padding: 10px 12px; }
            .hide-mobile { display: none; }
        }
        
        /* ===== Load More ===== */
        .load-more-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 24px;
            border-top: 1px solid var(--color-border-default);
        }
        .load-more-info {
            color: var(--color-fg-muted);
            font-size: 13px;
            margin: 0;
        }
        .load-more-wrap .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .load-more-wrap .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        /* ===== 图标微动效 ===== */
        i.fas, i.far, i.fab {
            transition: color 0.15s ease, transform 0.15s ease;
        }
        i.fas:not(.fa-spin):hover,
        i.far:not(.fa-spin):hover,
        i.fab:not(.fa-spin):hover {
            transform: scale(1.08);
        }