/* ---- index.html 专属样式 ---- */

        /* ---- Hero row (left content + right stats) ---- */
        .hero-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .hero-row .stats-bar {
            margin-top: 0;
            padding-top: 0;
            border-top: none;
            gap: 36px;
            flex-shrink: 0;
        }

        .hero-row .stats-item {
            text-align: center;
        }

        .hero-row .stats-num {
            font-size: 28px;
        }

        @media (max-width: 900px) {
            .hero-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 32px;
            }
            .hero-row .stats-bar {
                border-top: 1px solid var(--border);
                padding-top: 24px;
                margin-top: 0;
                width: 100%;
            }
        }

        /* ---- Tool Grid ---- */
        .tool-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 18px;
            margin-top: 40px;
        }

        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--r-l);
            padding: 24px;
            position: relative;
            overflow: hidden;
            transition: all var(--dur) var(--ease);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }

        .tool-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-hover);
        }

        .tool-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: opacity var(--dur) var(--ease);
        }

        .tool-card:hover::before { opacity: 1; }

        /* Card glow on hover */
        .tool-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background: radial-gradient(
                300px circle at var(--glow-x, 50%) var(--glow-y, 50%),
                rgba(0, 212, 170, 0.12),
                transparent 60%
            );
            opacity: 0;
            transition: opacity var(--dur) var(--ease);
            pointer-events: none;
            z-index: 0;
        }

        .tool-card:hover::after { opacity: 1; }

        .tool-card > * { position: relative; z-index: 1; }

        .tool-card.hidden-by-search {
            display: none;
        }

        .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--r-m);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 22px;
        }

        .tool-tag {
            font-family: var(--font-c);
            font-size: 11px;
            font-weight: 500;
            color: var(--accent);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            opacity: 0.7;
        }

        .tool-name {
            font-family: var(--font-h);
            font-size: 18px;
            font-weight: 600;
            color: var(--text-1);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .tool-desc {
            font-size: 14px;
            color: var(--text-3);
            line-height: 1.65;
            flex: 1;
        }

        .tool-arrow {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            opacity: 0;
            transform: translateX(-4px);
            transition: all var(--dur) var(--ease);
        }

        .tool-card:hover .tool-arrow {
            opacity: 1;
            transform: translateX(0);
        }

        .tool-arrow svg {
            width: 16px;
            height: 16px;
        }

        /* ---- Search Bar ---- */
        .search-section {
            padding: 0 0 24px;
        }

        .search-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--r-l);
            padding: 14px 20px;
            transition: border-color var(--dur) var(--ease);
        }

        .search-bar:focus-within {
            border-color: var(--accent-glow);
            box-shadow: 0 0 0 3px var(--accent-dim);
        }

        .search-bar svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            color: var(--text-3);
        }

        .search-input {
            flex: 1;
            background: none;
            border: none;
            outline: none;
            font-family: var(--font-b);
            font-size: 15px;
            color: var(--text-1);
        }

        .search-input::placeholder {
            color: var(--text-4);
        }

        .search-clear {
            width: 28px;
            height: 28px;
            display: none;
            align-items: center;
            justify-content: center;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--r-s);
            color: var(--text-3);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
            flex-shrink: 0;
        }

        .search-clear:hover {
            color: var(--text-1);
            border-color: var(--border-hover);
        }

        .search-clear.visible {
            display: flex;
        }

        .tag-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .tag-btn {
            font-family: var(--font-c);
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 5px 12px;
            border-radius: 100px;
            border: 1px solid var(--border);
            background: var(--bg-surface);
            color: var(--text-3);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        .tag-btn:hover {
            border-color: var(--border-hover);
            color: var(--text-2);
        }

        .tag-btn.active {
            border-color: var(--accent);
            background: var(--accent-dim);
            color: var(--accent);
        }

        .search-result-hint {
            font-size: 13px;
            color: var(--text-3);
            margin-top: 12px;
            display: none;
        }

        .search-result-hint.visible {
            display: block;
        }

        /* ---- Section hidden when no matching tools ---- */
        .section.hidden-by-filter {
            display: none;
        }

        /* ---- Responsive (index only) ---- */
        @media (max-width: 1024px) {
            .tool-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 640px) {
            .tool-grid { grid-template-columns: 1fr; }
        }

        /* ---- Manager Panel ---- */
        .manager-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-3);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        .manager-btn:hover {
            color: var(--accent);
            border-color: var(--accent-glow);
        }

        .manager-btn svg {
            width: 14px;
            height: 14px;
        }

        .manager-modal {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            z-index: 1000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 32px;
        }

        .manager-modal.open {
            display: flex;
        }

        .manager-content {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--r-l);
            width: 100%;
            max-width: 600px;
            max-height: 80vh;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .manager-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
        }

        .manager-title {
            font-family: var(--font-h);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
        }

        .manager-close {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            border-radius: var(--r-s);
            color: var(--text-3);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        .manager-close:hover {
            background: var(--bg-elevated);
            color: var(--text-1);
        }

        .manager-body {
            flex: 1;
            overflow-y: auto;
            padding: 16px;
        }

        .manager-hint {
            font-size: 12px;
            color: var(--text-4);
            text-align: center;
            padding: 8px;
            margin-bottom: 12px;
        }

        .manager-group-title {
            font-family: var(--font-h);
            font-size: 12px;
            font-weight: 600;
            color: var(--text-3);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .manager-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--r-m);
            margin-bottom: 8px;
            cursor: grab;
            transition: all var(--dur) var(--ease);
        }

        .manager-item:active {
            cursor: grabbing;
        }

        .manager-item.dragging {
            opacity: 0.5;
            border-color: var(--accent);
        }

        .manager-item.drag-over {
            border-color: var(--accent);
            transform: translateY(2px);
        }

        .manager-item.hidden {
            opacity: 0.5;
        }

        .manager-item-drag {
            color: var(--text-4);
            flex-shrink: 0;
        }

        .manager-item-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-dim);
            border-radius: var(--r-s);
            flex-shrink: 0;
        }

        .manager-item-icon svg {
            width: 18px;
            height: 18px;
        }

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

        .manager-item-name {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-1);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .manager-item-tag {
            font-family: var(--font-c);
            font-size: 10px;
            color: var(--text-4);
            margin-top: 2px;
        }

        .manager-toggle {
            position: relative;
            width: 40px;
            height: 22px;
            flex-shrink: 0;
        }

        .manager-toggle input {
            opacity: 0;
            width: 0;
            height: 0;
            position: absolute;
        }

        .manager-toggle-slider {
            position: absolute;
            inset: 0;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 11px;
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        .manager-toggle-slider::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 16px;
            height: 16px;
            background: var(--text-3);
            border-radius: 50%;
            transition: all var(--dur) var(--ease);
        }

        .manager-toggle input:checked + .manager-toggle-slider {
            background: var(--accent-dim);
            border-color: var(--accent);
        }

        .manager-toggle input:checked + .manager-toggle-slider::before {
            background: var(--accent);
            transform: translateX(18px);
        }

        .manager-footer {
            display: flex;
            gap: 8px;
            padding: 16px 24px;
            border-top: 1px solid var(--border);
            background: var(--bg-surface);
        }

        .manager-footer .btn {
            flex: 1;
            padding: 10px 16px;
            font-family: var(--font-b);
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--r-s);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        /* ---- Manager search ---- */
        .manager-search-wrap {
            padding: 0 0 12px;
        }

        .manager-search {
            width: 100%;
            padding: 8px 12px 8px 34px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--r-s);
            font-family: var(--font-b);
            font-size: 13px;
            color: var(--text-1);
            outline: none;
            transition: border-color var(--dur) var(--ease);
            box-sizing: border-box;
        }

        .manager-search::placeholder { color: var(--text-4); }
        .manager-search:focus { border-color: var(--accent); }

        .manager-search-box {
            position: relative;
        }

        .manager-search-box svg {
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 15px;
            height: 15px;
            color: var(--text-4);
            pointer-events: none;
        }

        /* ---- Manager group collapsible ---- */
        .manager-group-title {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            user-select: none;
            padding: 10px 4px 6px;
        }

        .manager-group-title:hover {
            color: var(--text-1);
        }

        .manager-group-arrow {
            width: 16px;
            height: 16px;
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }

        .manager-group-title.collapsed .manager-group-arrow {
            transform: rotate(-90deg);
        }

        .manager-group-stats {
            font-family: var(--font-c);
            font-size: 11px;
            color: var(--text-4);
            margin-left: auto;
        }

        .manager-group-actions {
            display: flex;
            gap: 4px;
            margin-left: 8px;
        }

        .manager-group-actions button {
            padding: 2px 8px;
            font-size: 11px;
            font-family: var(--font-b);
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 4px;
            color: var(--text-3);
            cursor: pointer;
            transition: all var(--dur) var(--ease);
        }

        .manager-group-actions button:hover {
            color: var(--accent);
            border-color: var(--accent-glow);
        }

        .manager-group-body {
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .manager-group-body.collapsed {
            max-height: 0 !important;
            overflow: hidden;
        }

        .manager-empty-hint {
            text-align: center;
            color: var(--text-4);
            font-size: 13px;
            padding: 24px 0;
        }

        .btn-primary {
            background: var(--accent);
            border: 1px solid var(--accent);
            color: #080B12;
        }

        .btn-primary:hover {
            background: #00F0C0;
            box-shadow: 0 2px 12px var(--accent-glow);
        }

        .btn-secondary {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            color: var(--text-2);
        }

        .btn-secondary:hover {
            color: var(--text-1);
            border-color: var(--border-hover);
        }

        /* ---- Skeleton Loading ---- */
        .skeleton-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--r-l);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .skeleton-line {
            background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--border) 50%, var(--bg-elevated) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.4s ease-in-out infinite;
            border-radius: var(--r-s);
        }

        .skeleton-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--r-m);
        }

        .skeleton-tag { width: 70px; height: 12px; }
        .skeleton-title { width: 65%; height: 18px; }
        .skeleton-desc { width: 100%; height: 14px; }
        .skeleton-desc2 { width: 80%; height: 14px; }

        @keyframes shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        /* ---- Page Transition Overlay ---- */
        .page-transition-overlay {
            position: fixed;
            inset: 0;
            z-index: 10000;
            background: rgba(8, 11, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.25s ease;
        }

        .page-transition-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        .page-transition-spinner {
            position: relative;
            width: 56px;
            height: 56px;
        }

        /* 外环：虚线旋转扫描 */
        .page-transition-spinner::before {
            content: '';
            position: absolute;
            inset: 0;
            border: 2px dashed var(--accent);
            border-radius: 50%;
            opacity: 0.4;
            animation: ptSpin 3s linear infinite;
        }

        /* 中环：弧线快转 */
        .page-transition-spinner::after {
            content: '';
            position: absolute;
            inset: 6px;
            border: 2px solid transparent;
            border-top-color: var(--accent);
            border-right-color: var(--accent);
            border-radius: 50%;
            animation: ptSpin 0.8s ease-in-out infinite;
        }

        /* 脉冲核心 */
        .pt-core {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 10px;
            margin: -5px 0 0 -5px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(0, 212, 170, 0.6);
            animation: ptPulse 1.2s ease-in-out infinite;
        }

        /* 轨道粒子 */
        .pt-orbit {
            position: absolute;
            inset: 0;
            animation: ptSpin 1.5s linear infinite;
        }

        .pt-orbit i {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 6px var(--accent);
        }

        .pt-orbit i:nth-child(1) { top: 0; left: 50%; margin-left: -2px; }
        .pt-orbit i:nth-child(2) { bottom: 0; left: 50%; margin-left: -2px; opacity: 0.5; }

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

        @keyframes ptPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.5); opacity: 0.4; }
        }

        .page-transition-text {
            font-family: var(--font-b);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-3);
            letter-spacing: 0.02em;
        }

        /* ---- Nav category links ---- */
        .nav-cat-link {
            font-family: var(--font-c);
            font-size: 11px;
        }