.downloads-container {
            max-width: 900px;
            margin: 60px auto 40px;
            padding: 0 20px;
        }

        .page-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .page-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 12px;
        }

        .page-subtitle {
            font-size: 1.1rem;
            color: #6b7280;
        }

        .download-section {
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1f2937;
            padding-bottom: 12px;
            border-bottom: 2px solid #3b82f6;
            margin-bottom: 20px;
        }

        .download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .download-card {
            background: white;
            border-radius: 8px;
            border: 1px solid #e5e7eb;
            padding: 20px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .download-card:hover {
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transform: translateY(-4px);
        }



        .download-title {
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 8px;
            font-size: 1rem;
        }

        .download-desc {
            font-size: 0.9rem;
            color: #6b7280;
            margin-bottom: 16px;
            flex-grow: 1;
            line-height: 1.5;
        }

        .download-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
            color: white;
            padding: 10px 16px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
        }

        .download-btn i {
            font-size: 0.9rem;
        }

        .file-info {
            font-size: 0.8rem;
            color: #9ca3af;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #f3f4f6;
        }

        .download-icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
        }

        .info-list ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-list li {
            padding: 8px 0;
            color: #4b5563;
            font-size: 0.95rem;
        }

        .info-box {
            background: #dbeafe;
            border-left: 4px solid #3b82f6;
            padding: 16px;
            border-radius: 4px;
            margin-bottom: 30px;
        }

        .info-box strong {
            color: #0c4a6e;
        }

        /* 相关服务 */
        .related-services {
            margin-top: 60px;
        }

        .services-subtitle {
            color: #6b7280;
            margin-bottom: 24px;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            background: white;
            border-radius: 8px;
            border: 1px solid #e5e7eb;
            padding: 24px 16px;
            text-align: center;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .service-card:hover {
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transform: translateY(-4px);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .service-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.85rem;
            color: #6b7280;
            margin-bottom: 12px;
        }

        .learn-more {
            font-size: 0.85rem;
            color: #3b82f6;
            font-weight: 600;
        }

        .learn-more i {
            font-size: 0.75rem;
            margin-left: 4px;
        }

        @media (max-width: 768px) {
            .downloads-container {
                margin-top: 40px;
            }

            .page-title {
                font-size: 1.8rem;
            }

            .download-grid {
                grid-template-columns: 1fr;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .filter-tabs {
                justify-content: center;
            }
        }