* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
            min-height: 100vh;
            margin: 0;
            padding: 0;
            position: relative;
            overflow-x: hidden;
        }

        /* 科技感背景动画 */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(72, 209, 204, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(255, 61, 113, 0.1) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            background: rgba(15, 15, 35, 0.95);
            backdrop-filter: blur(10px);
            min-height: 100vh;
            width: 100%;
            padding: 40px 20px;
            overflow-y: auto;
            position: relative;
            z-index: 1;
            box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.3);
        }

        /* 内容区域最大宽度 */
        .content-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 容器滚动条美化 */
        .container::-webkit-scrollbar {
            width: 10px;
        }

        .container::-webkit-scrollbar-track {
            background: #f1f1f1;
        }

        .container::-webkit-scrollbar-thumb {
            background: #667eea;
            border-radius: 5px;
        }

        .container::-webkit-scrollbar-thumb:hover {
            background: #5568d3;
        }

        h1 {
            color: #ffffff;
            margin-bottom: 10px;
            font-size: 36px;
            text-align: center;
            font-weight: 700;
            letter-spacing: -0.5px;
            text-shadow: 0 0 30px rgba(120, 119, 198, 0.5);
            background: linear-gradient(135deg, #48d1cc 0%, #7877c6 50%, #ff3d71 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .subtitle {
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            margin-bottom: 40px;
            font-size: 14px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }

        .tech-badge {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(72, 209, 204, 0.2) 0%, rgba(120, 119, 198, 0.2) 100%);
            border: 1px solid rgba(72, 209, 204, 0.3);
            color: #48d1cc;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(5px);
            box-shadow: 0 0 15px rgba(72, 209, 204, 0.2);
            transition: all 0.3s;
        }

        .tech-badge:hover {
            border-color: rgba(72, 209, 204, 0.6);
            box-shadow: 0 0 25px rgba(72, 209, 204, 0.4);
            transform: translateY(-2px);
        }

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

        label {
            display: block;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 14px;
            text-shadow: 0 0 10px rgba(72, 209, 204, 0.3);
        }

        input, select {
            width: 100%;
            padding: 12px;
            background: rgba(30, 30, 60, 0.6);
            border: 1px solid rgba(72, 209, 204, 0.3);
            border-radius: 10px;
            font-size: 14px;
            color: #ffffff;
            transition: all 0.3s;
        }

        input:focus, select:focus {
            outline: none;
            border-color: #48d1cc;
            background: rgba(30, 30, 60, 0.8);
            box-shadow: 0 0 20px rgba(72, 209, 204, 0.3);
        }

        input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }

        button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #48d1cc 0%, #7877c6 50%, #ff3d71 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 30px rgba(72, 209, 204, 0.3);
        }

        button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        button:hover::before {
            left: 100%;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 40px rgba(72, 209, 204, 0.5);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 12px;
            margin-top: 15px;
        }

        /* 插件网格需要滚动 */
        #pluginGrid {
            max-height: 450px;
            overflow-y: auto;
            overflow-x: hidden;
            padding-right: 10px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 12px;
        }

        /* 滚动条美化 - 科技风格 */
        #pluginGrid::-webkit-scrollbar {
            width: 10px;
        }

        #pluginGrid::-webkit-scrollbar-track {
            background: rgba(30, 30, 60, 0.4);
            border-radius: 10px;
            border: 1px solid rgba(72, 209, 204, 0.1);
        }

        #pluginGrid::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #48d1cc 0%, #7877c6 100%);
            border-radius: 10px;
            border: 2px solid rgba(30, 30, 60, 0.4);
        }

        #pluginGrid::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(180deg, #48d1cc 0%, #ff3d71 100%);
            box-shadow: 0 0 10px rgba(72, 209, 204, 0.5);
        }

        .product-checkbox {
            display: flex;
            align-items: center;
            padding: 12px;
            background: rgba(30, 30, 60, 0.4);
            border: 1px solid rgba(72, 209, 204, 0.2);
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            user-select: none;
            backdrop-filter: blur(5px);
        }

        .product-checkbox:hover {
            border-color: rgba(72, 209, 204, 0.5);
            background: rgba(30, 30, 60, 0.6);
            box-shadow: 0 0 15px rgba(72, 209, 204, 0.2);
            transform: translateX(5px);
        }

        .product-checkbox input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-right: 10px;
            cursor: pointer;
            accent-color: #48d1cc;
        }

        .product-checkbox input[type="checkbox"]:checked + span {
            color: #48d1cc;
            font-weight: 600;
            text-shadow: 0 0 10px rgba(72, 209, 204, 0.5);
        }

        .product-checkbox span {
            flex: 1;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .product-checkbox img.product-icon {
            width: 20px;
            height: 20px;
            margin-right: 8px;
            object-fit: contain;
        }

        .plugin-section {
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid rgba(72, 209, 204, 0.2);
            position: relative;
        }

        .plugin-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, #48d1cc, transparent);
            box-shadow: 0 0 10px rgba(72, 209, 204, 0.5);
        }

        .plugin-section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .plugin-section-title {
            font-size: 18px;
            font-weight: 700;
            color: #48d1cc;
            margin: 0;
            text-shadow: 0 0 20px rgba(72, 209, 204, 0.5);
        }

        .plugin-count {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-left: 10px;
        }

        .plugin-search-box {
            position: relative;
            margin-bottom: 20px;
        }

        .plugin-search-box input {
            width: 100%;
            padding: 12px 40px 12px 15px;
            background: rgba(30, 30, 60, 0.6);
            border: 1px solid rgba(72, 209, 204, 0.3);
            border-radius: 10px;
            font-size: 14px;
            color: #ffffff;
            transition: all 0.3s;
        }

        .plugin-search-box input:focus {
            outline: none;
            border-color: #48d1cc;
            background: rgba(30, 30, 60, 0.8);
            box-shadow: 0 0 20px rgba(72, 209, 204, 0.3);
        }

        .plugin-search-box input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }

        .plugin-search-box .search-icon {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(72, 209, 204, 0.6);
            font-size: 18px;
        }

        .plugin-card {
            display: flex;
            align-items: center;
            padding: 14px;
            background: rgba(30, 30, 60, 0.4);
            border: 1px solid rgba(72, 209, 204, 0.2);
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s;
            user-select: none;
            min-height: 68px;
            box-sizing: border-box;
            backdrop-filter: blur(5px);
        }

        .plugin-card:hover {
            border-color: rgba(72, 209, 204, 0.6);
            background: rgba(30, 30, 60, 0.6);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(72, 209, 204, 0.3);
        }

        .plugin-card.selected {
            border-color: #48d1cc;
            background: rgba(72, 209, 204, 0.15);
            box-shadow: 0 0 20px rgba(72, 209, 204, 0.4);
        }

        .plugin-card input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin: 0;
            margin-right: 12px;
            cursor: pointer;
            accent-color: #48d1cc;
            flex-shrink: 0;
        }

        .plugin-card .plugin-icon {
            width: 36px;
            height: 36px;
            margin-right: 12px;
            object-fit: contain;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            padding: 4px;
        }

        .plugin-card .plugin-info {
            flex: 1;
            min-width: 0;
            overflow: hidden;
        }

        .plugin-card .plugin-name {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .plugin-card .plugin-code {
            font-size: 11px;
            color: rgba(72, 209, 204, 0.7);
            font-family: 'Courier New', monospace;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .plugin-empty {
            grid-column: 1 / -1;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            padding: 50px 20px;
            min-height: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            background: rgba(30, 30, 60, 0.3);
            border: 1px dashed rgba(72, 209, 204, 0.2);
            border-radius: 10px;
        }

        .plugin-loading {
            grid-column: 1 / -1;
            text-align: center;
            color: #48d1cc;
            padding: 50px 20px;
            min-height: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            background: rgba(30, 30, 60, 0.3);
            border-radius: 10px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        .select-btn {
            width: auto;
            padding: 7px 14px;
            font-size: 12px;
            margin-left: 6px;
            background: rgba(30, 30, 60, 0.6);
            color: #48d1cc;
            border: 1px solid rgba(72, 209, 204, 0.4);
            border-radius: 8px;
            font-weight: 500;
            transition: all 0.3s;
        }

        .select-btn:hover {
            background: rgba(72, 209, 204, 0.2);
            border-color: #48d1cc;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(72, 209, 204, 0.3);
        }

        /* Toast 提示样式 - 科技风 */
        .toast {
            position: fixed;
            top: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(-100px);
            background: rgba(15, 15, 35, 0.95);
            backdrop-filter: blur(10px);
            padding: 16px 28px;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(72, 209, 204, 0.4);
            border: 1px solid rgba(72, 209, 204, 0.4);
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            opacity: 0;
            transition: all 0.3s ease-in-out;
            z-index: 10000;
            pointer-events: none;
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
            pointer-events: auto;
        }

        .toast.success {
            border-left: 4px solid #48d1cc;
            color: #48d1cc;
        }

        .toast.error {
            border-left: 4px solid #ff3d71;
            color: #ff3d71;
        }

        .toast-icon {
            font-size: 20px;
            filter: drop-shadow(0 0 5px currentColor);
        }

        button:active {
            transform: translateY(0);
        }

        button:disabled {
            background: rgba(100, 100, 120, 0.3);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .result {
            margin-top: 30px;
            padding: 25px;
            background: rgba(30, 30, 60, 0.6);
            border: 1px solid rgba(72, 209, 204, 0.3);
            border-radius: 15px;
            display: none;
            backdrop-filter: blur(10px);
            box-shadow: 0 0 30px rgba(72, 209, 204, 0.2);
        }

        .result.show {
            display: block;
            animation: slideIn 0.4s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .result h3 {
            color: #48d1cc;
            margin-bottom: 15px;
            font-size: 18px;
            font-weight: 600;
            text-shadow: 0 0 15px rgba(72, 209, 204, 0.5);
        }

        .license-code {
            background: rgba(15, 15, 35, 0.8);
            padding: 18px;
            border-radius: 10px;
            word-break: break-all;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(72, 209, 204, 0.2);
            max-height: 250px;
            overflow-y: auto;
            line-height: 1.6;
        }

        .license-code::-webkit-scrollbar {
            width: 8px;
        }

        .license-code::-webkit-scrollbar-track {
            background: rgba(30, 30, 60, 0.4);
            border-radius: 4px;
        }

        .license-code::-webkit-scrollbar-thumb {
            background: #48d1cc;
            border-radius: 4px;
        }

        .copy-btn {
            margin-top: 15px;
            padding: 12px 24px;
            background: linear-gradient(135deg, #48d1cc 0%, #7877c6 100%);
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            width: auto;
            transition: all 0.3s;
            box-shadow: 0 0 20px rgba(72, 209, 204, 0.3);
        }

        .copy-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 25px rgba(72, 209, 204, 0.5);
        }

        .error {
            color: #ff3d71;
            margin-top: 15px;
            font-size: 14px;
            padding: 12px;
            background: rgba(255, 61, 113, 0.1);
            border: 1px solid rgba(255, 61, 113, 0.3);
            border-radius: 8px;
            text-shadow: 0 0 10px rgba(255, 61, 113, 0.3);
        }

        .loading {
            text-align: center;
            color: #48d1cc;
            margin-top: 15px;
            font-size: 14px;
            animation: pulse 2s infinite;
        }

        .footer {
            text-align: center;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(72, 209, 204, 0.1);
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        .footer a {
            color: #48d1cc;
            text-decoration: none;
            transition: all 0.3s;
            text-shadow: 0 0 10px rgba(72, 209, 204, 0.3);
        }

        .footer a:hover {
            color: #7877c6;
            text-shadow: 0 0 15px rgba(120, 119, 198, 0.5);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 30px 15px;
            }

            .content-wrapper {
                padding: 0 10px;
            }

            h1 {
                font-size: 28px;
            }

            .product-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            #pluginGrid {
                max-height: 350px;
                grid-template-columns: 1fr;
            }

            .plugin-card {
                min-height: 60px;
                padding: 12px;
            }

            .plugin-card .plugin-icon {
                width: 28px !important;
                height: 28px !important;
            }

            .select-btn {
                padding: 6px 12px;
                font-size: 11px;
            }

            .tech-badge {
                padding: 5px 10px;
                font-size: 11px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .content-wrapper {
                max-width: 1000px;
            }

            .product-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }

            #pluginGrid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (min-width: 1025px) and (max-width: 1440px) {
            .content-wrapper {
                max-width: 1200px;
            }

            #pluginGrid {
                grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            }
        }

        @media (min-width: 1441px) {
            .content-wrapper {
                max-width: 1400px;
            }

            #pluginGrid {
                grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            }
        }