* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        :root {
            --primary: #ff8d00;
            --primary-dark: #28a745;
            --secondary: #ff4700;
            --accent: #f59e0b;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --white: #ffffff;
            --danger: #ef4444;
        }

        body {
            background-color: #f3f6f9;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, #f7e3fa 0%, #87c9e9 100%);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 32px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
            position: relative;
        }
        
        nav ul li a {
            color: #000;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        
        nav ul li a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        
        nav ul li a i {
            margin-right: 8px;
            font-size: 18px;
        }
        
        .dropdown {
            position: relative;
        }
        
        .dropdown-content {
            display: none;
            position: absolute;
            background-color: white;
            min-width: 160px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border-radius: 4px;
            z-index: 1;
            top: 100%;
            left: 0;
        }
        
        .dropdown-content a {
            color: #333;
            padding: 12px 16px;
            text-decoration: none;
            display: block;
            border-bottom: 1px solid #eee;
        }
        
        .dropdown-content a:hover {
            background-color: #f1f1f1;
        }
        
        .dropdown:hover .dropdown-content {
            display: block;
        }
        
        /* 主视觉区域 */

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .hero p {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            background: #000000;
            color: white;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: #e55a2a;
            transform: translateY(-3px);
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
        }
        
        /* 公告区域 */
        .announcement {
            background-color: #fff;
            border-radius: 8px;
            padding: 15px 20px;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .announcement-title {
            font-weight: 700;
            color: #ff7600;
            font-size: 18px;
            display: flex;
            align-items: center;
            min-width: 200px;
        }
        
        .announcement-title i {
            margin-right: 10px;
            font-size: 20px;
        }
        
        .marquee {
            width: 100%;
            overflow: hidden;
            white-space: nowrap;
        }
        
        .marquee-content {
            display: inline-block;
            animation: marquee 25s linear infinite;
        }
        
        @keyframes marquee {
            0% { transform: translateX(100%); }
            100% { transform: translateX(-100%); }
        }
        
        /* 分类区域 */
        .categories {
            margin-bottom: 40px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 30px;
            color: #000;
            position: relative;
            font-size: 32px;
        }
        
        #app .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: #ff7600;
            margin: 10px auto;
            border-radius: 2px;
        }
        
        .category-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        .category-item {
            background: linear-gradient(135deg, #ffffff, #ffffff);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            border: 2px solid transparent;
        }
        
        .category-item:hover, .category-item.active {
            background-image: linear-gradient(135deg, #ffffff, #f1f8ff) !important;
            border-color: #1a6dcc;
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(26, 109, 204, 0.15);
        }
        
        .category-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 15px;
            background: #ededed;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #1a6dcc;
        }
        
        .category-item h3 {
            font-size: 18px;
            color: #333;
        }
        
        /* 商品列表 */
        .products {
            margin-bottom: 60px;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        
        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        
        .hot-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: #ff6b35;
            color: white;
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }
        

        .product-image {
            height: 220px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            position: relative;
        }
        
        
        .product-image img {
            width: 90%;
            height: 90%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-title {
            font-size: 20px;
            margin-bottom: 10px;
            color: #222;
        }
        
        .product-desc {
            /*color: #ad5948;*/
            
            font-size: 10px;
            margin-bottom: 1px;
            height: 55px;
            overflow: hidden;
        }
        
        .rating {
            color: #ff4700;
            margin-bottom: 1px;
        }
        
        .price {
           font-size: 18px;
           font-weight: 700;
           color: #000000;
           margin-bottom: 5px;
        }
        
        .product-actions {
            display: flex;
            gap: 10px;
        }
        
        .action-btn {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .buy-btn {
            background: #1a6dcc;
            color: white;
        }
        
        .download-btn {
            background: #28a745;
            color: white;
        }
        
        .action-btn:hover {
            opacity: 0.9;
            transform: translateY(-3px);
        }
        
        .cloud-tips {
            background: #f0f7ff;
            padding: 10px;
            border-radius: 5px;
            margin-top: 15px;
            font-size: 13px;
            color: #555;
        }
     
        /* 使用说明样式 */
        .manual {
            background-color: var(--white);
            padding: 60px 50px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 60px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        
        .manual-content {
            flex: 1;
        }
        
        .manual-image {
            flex: 1;
            background: linear-gradient(135deg, #ffe998, #ffd6e7);
            height: 380px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .manual-image img {
            max-width: 85%;
            max-height: 85%;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .manual-text {
            margin-bottom: 25px;
            color: #475569;
            line-height: 1.8;
        }
        
        .download-manual {
            background: #ff8d00;
            color: var(--white);
            padding: 15px 35px;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s ease;
            font-size: 16px;
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
        }
        
        .download-manual:hover {
            opacity: 0.95;
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
        }
        
        /* 新闻和FAQ样式 */
        .news-faq {
            background-color: var(--white);
            padding: 60px 50px;
            border-radius: 16px;
            margin-bottom: 60px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        
        .news-container {
            display: flex;
            gap: 50px;
            margin-top: 30px;
        }
        
        .news-section, .faq-section {
            flex: 1;
            background-color: #f8fafc;
            border-radius: 16px;
            padding: 30px;
        }
        
        .section-subtitle {
            font-size: 24px;
            margin-bottom: 25px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .section-subtitle i {
            color:#000000;
        }
        
        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--light-gray);
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-date {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .news-title {
            font-weight: 600;
            color: var(--dark);
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
            font-size: 18px;
            transition: color 0.3s;
        }
        
        .news-title:hover {
            color: var(--primary);
        }
        
        .news-excerpt {
            color: var(--gray);
            font-size: 15px;
        }
        
        .faq-item {
            margin-bottom: 15px;
            border: 1px solid var(--light-gray);
            border-radius: 12px;
            overflow: hidden;
            background-color: var(--white);
        }
        
        .faq-section .faq-question {
            padding: 18px 25px;
            background-color: #f1f5f9;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
        }
        
        .faq-answer {
            padding: 25px;
            background-color: var(--white);
            display: none;
            color: var(--gray);
            line-height: 1.7;
        }
        
        .faq-section .active .faq-answer {
            display: block;
        }
        
        .faq-section .faq-toggle {
            transition: transform 0.3s ease;
        }
        
        .faq-section .active .faq-toggle {
            transform: rotate(180deg);
        }
        

   
        /* 免费工具区域 */
        .tools {
            margin-bottom: 60px;
        }
        
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        
        .tool-card {
            background: white;
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .tool-icon {
            font-size: 40px;
            color: #1a6dcc;
            margin-bottom: 20px;
        }
        
        .tool-title {
            font-size: 20px;
            margin-bottom: 15px;
            color: #222;
        }
        
        .tool-desc {
            color: #666;
            margin-bottom: 20px;
            font-size: 14px;
        }
        
        .tool-actions {
            display: flex;
            justify-content: center;
            gap: 10px;
        }
        
        .tool-btn {
            padding: 8px 16px;
            border-radius: 5px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .download-tool {
            background: #1a6dcc;
            color: white;
            border: none;
        }
        
        .info-tool {
            background: #f0f7ff;
            color: #1a6dcc;
            border: 1px solid #d0e3ff;
        }
        
        .tool-btn:hover {
            opacity: 0.9;
            transform: translateY(-3px);
        }
        
        /* 页脚 */
        footer {
            background: linear-gradient(135deg, #111111, #111111);
            color: white;
            padding: 70px 0 30px;
        }
        
        .footer-container {
            display: flex;
            flex-direction: column;
        }
        
        .footer-top {
            display: flex;
            align-items: flex-start;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #444;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .footer-logo img {
            height: 45px;
            margin-right: 15px;
            border-radius: 8px;
        }
        
        .footer-logo h3 {
            font-size: 1.7rem;
            color: white;
            font-weight: 700;
        }
        
        .friend-links {
            margin-left: 60px;
            flex: 1;
        }
        
        .friend-links h4 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            color: #f0f0f0;
            position: relative;
            padding-bottom: 10px;
        }
        
        .friend-links h4:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            bottom: 0;
            left: 0;
            border-radius: 2px;
        }
        
        .friend-links ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 15px;
        }
        
        .friend-links a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 15px;
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        .friend-links a:hover {
            color: var(--primary-color);
            background-color: rgba(255,255,255,0.05);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            color: #999;
            font-size: 0.95rem;
            line-height: 1.8;
        }        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .category-list,
            .product-grid,
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .news-faq {
                grid-template-columns: 1fr;
            }
            
            .manual {
                flex-direction: column;
            }
            
            .manual-image {
                height: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            nav ul {
                margin-top: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 5px;
            }
            
            .announcement {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .announcement-title {
                margin-bottom: 10px;
            }
            
            .category-list,
            .product-grid,
            .tool-grid {
                grid-template-columns: 1fr;
            }
        }


        /* 模态框 */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            padding-top: 100px;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.9);
            overflow: auto;
        }
        
        .modal-content {
            margin: auto;
            display: block;
            max-width: 80%;
            max-height: 80vh;
            animation: zoom 0.3s;
        }
        @keyframes zoom {
            from {transform: scale(0.5);}
            to {transform: scale(1);}
        }

        #downloadModal .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }
        
        #downloadModal .modal-content {
            background: white;
            border-radius: 10px;
            width: 500px;
            max-width: 90%;
            padding: 30px;
            position: relative;
            animation: modalopen 0.4s;
        }
        
        @keyframes modalopen {
            from { opacity: 0; transform: translateY(-50px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .close {
            position: absolute;
            top: 20px;
            right: 35px;
            color: #f1f1f1;
            font-size: 40px;
            font-weight: bold;
            transition: 0.3s;
            cursor: pointer;
        }
        
        .close:hover,
        .close:focus {
            color: #bbb;
            text-decoration: none;
        }


        .storage-option {
            display: flex;
            align-items: center;
            padding: 15px;
            border: 1px solid #eee;
            border-radius: 8px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .storage-option:hover, .storage-option.selected {
            background: #f9f9f9;
            border-color: #3498db;
        }
        
        #downloadModal .storage-icon {
            width: 40px;
            height: 40px;
            margin-right: 15px;
            background: #f0f7ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        #downloadModal .storage-info {
            flex: 1;
        }
        
        #downloadModal .storage-name {
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        #downloadModal .storage-code {
            font-size: 14px;
            color: #7f8c8d;
        }
        
        #downloadModal .confirm-btn {
            display: block;
            width: 100%;
            padding: 12px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: bold;
            margin-top: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }

        #downloadModal .confirm-btn:hover {
            background: #27ae60;
        }
        
        #downloadModal .confirm-btn:disabled {
            background: #95a5a6;
            cursor: not-allowed;
        }

        #downloadModal .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 24px;
            cursor: pointer;
            color: #7f8c8d;
        }
        
        #downloadModal .modal-title {
            font-size: 24px;
            margin-bottom: 15px;
            color: #2c3e50;
            text-align: center;
        }
        
        #downloadModal .modal-subtitle {
            color: #7f8c8d;
            margin-bottom: 20px;
            text-align: center;
        }

        #desc-content {
            position: relative;
            background-color: white;
            max-width: 500px;
            border-radius: 10px;
            padding: 20px 10px;
            margin: 0 auto;
            margin-top: 20px;
        }

        #tool-desc-content {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.2) !important;
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        #tool-desc-content .download-btn:hover {
            background: #27ae60;
        }
    

        #tool-desc-content .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 24px;
            cursor: pointer;
            color: #7f8c8d;
        }
            
        #tool-desc-content .download-btn {
            display: block;
            width: 100%;
            padding: 12px;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: bold;
            margin-top: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }

        #t-d-title {
            font-weight: bold;
            text-align: center;
        }
        #t-d-content {
            display: flex;
            align-items: center;
            padding: 15px;
            border: 1px solid #eee;
            border-radius: 8px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: all 0.3s;
        }