* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            padding: 20px;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 15px;
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        /*h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: #4a5568;
        }*/

        .tit a{
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: #4a5568;
            text-decoration: none;
        }

        .tit a:hover{
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: #71809a;
        }

        .subtitle {
            font-size: 1.1rem;
            opacity: 0.8;
            color: #718096;
        }

        .controls {
            display: flex;
            justify-content: right;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .control-group {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.5);
            padding: 10px 15px;
            border-radius: 10px;
            backdrop-filter: blur(5px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        label {
            font-weight: 500;
            color: #4a5568;
        }

        input {
            padding: 8px 12px;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.9);
            width: 60px;
            text-align: center;
            color: #4a5568;
        }

        button {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            background: #5a67d8;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        button:hover {
            background: #4c51bf;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }

        .grid-container {
            display: grid;
            gap: 20px;
            margin-bottom: 30px;
        }

        .grid-item {
            border-radius: 12px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            position: relative;
            min-height: 120px;
            overflow: hidden;
            background: white;
            border: 1px #e2e8f0;
            user-select: none;
            touch-action: none;
        }

        .grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .grid-item.has-content {
            border: none;
        }

        .grid-item.has-image {
            /*background: transparent !important;*/
            border: none;
        }

        .grid-item.dragging {
            opacity: 0.7;
            transform: scale(1.05);
            z-index: 1000;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .grid-item.drag-over {
            border: 2px dashed #5a67d8;
            background: rgba(90, 103, 216, 0.1);
        }

        .grid-item .title {
            margin-top: 10px;
            font-weight: 600;
            font-size: 1rem;
            z-index: 1;
            color: #2d3748;
        }

        .grid-item.has-image .title {
            display: none;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.4);
            color: white;
            padding: 8px;
            margin: 0;
            font-size: 0.9rem;
        }

        .grid-item.has-image:hover .title {
            display: block;
        }

        .grid-item .thumbnail {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            object-fit: contain;
            z-index: 0;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.9);
            padding: 1px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .grid-item .empty-hint {
            display: none;
            color: #a0aec0;
            font-size: 0.9rem;
        }

        .grid-item:not(.has-content):hover .empty-hint {
            display: block;
        }

        .grid-item .drag-handle {
            position: absolute;
            top: 5px;
            right: 5px;
            width: 20px;
            height: 20px;
            opacity: 0;
            cursor: grab;
            transition: opacity 0.3s;
            z-index: 10;
        }

        .grid-item:hover .drag-handle {
            opacity: 0.5;
        }

        .grid-item .drag-handle:hover {
            opacity: 1;
        }

        .grid-item .drag-handle::before {
            content: "⋮⋮";
            color: #718096;
            font-size: 14px;
        }

        .context-menu {
            position: fixed;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            display: none;
            overflow: hidden;
            min-width: 200px;
        }

        .context-menu ul {
            list-style: none;
        }

        .context-menu li {
            padding: 12px 20px;
            cursor: pointer;
            transition: background 0.2s;
            color: #333;
            border-bottom: 1px solid #f0f0f0;
        }

        .context-menu li:last-child {
            border-bottom: none;
        }

        .context-menu li:hover {
            background: #f0f5ff;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: white;
            border-radius: 12px;
            padding: 30px;
            width: 90%;
            max-width: 1000px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        .modal h2 {
            color: #4a5568;
            margin-bottom: 20px;
            text-align: center;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #4a5568;
            font-weight: 500;
        }

        .form-group input, .form-group select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            font-size: 1rem;
            background: white;
            color: #4a5568;
        }

        .modal-buttons {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            margin-top: 25px;
        }

        .modal-buttons button {
            padding: 10px 20px;
        }

        .cancel-btn {
            background: #a0aec0;
        }

        .cancel-btn:hover {
            background: #718096;
        }

        .info-btn {
            background: #9f7aea;
        }

        .info-btn:hover {
            background: #805ad5;
        }

        .footer {
            text-align: center;
            padding: 20px;
            font-size: 0.9rem;
            opacity: 0.8;
            color: #718096;
        }

        .footer a{
            text-align: center;
            padding: 0px;
            font-size: 0.9rem;
            opacity: 0.8;
            color: #718096;
        }

        .settings-btn {
            background: #38a169;
        }

        .settings-btn:hover {
            background: #2f855a;
        }

        .data-btn {
            background: #ed8936;
        }

        .data-btn:hover {
            background: #dd7711;
        }

        .settings-menu {
            display: none;
            position: absolute;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 15px;
            z-index: 100;
            margin-top: 10px;
            width: 200px;
        }

        .data-menu {
            display: none;
            position: absolute;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 15px;
            z-index: 100;
            margin-top: 10px;
            width: 200px;
        }

        .settings-container, .data-container {
            position: relative;
            display: inline-block;
        }

        .info-content {
            line-height: 1.6;
            color: #4a5568;
        }

        .info-content h3 {
            margin: 20px 0 10px 0;
            color: #2d3748;
        }

        .info-content p {
            margin-bottom: 15px;
        }

        .info-content ul {
            margin: 10px 0;
            padding-left: 20px;
        }

        .info-content li {
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .controls {
                flex-direction: column;
                align-items: center;
            }
            
            .control-group {
                width: 100%;
                justify-content: center;
            }
            
            h1 {
                font-size: 2rem;
            }
        }