/* 技术支持页面特定样式 */
        .support-hero {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 160px 0 80px;
            text-align: center;
            margin-top: var(--header-height);
        }
        
        .support-hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .support-hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
		  .breadcrumb {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
		    margin: 0 10px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        .breadcrumb a:hover {
            color: var(--white);
        }
        
        .breadcrumb span {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.6);
        }
        
        
        /* 资源网格布局 */
        .resources-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .resource-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--transition);
        }
        
        .resource-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .resource-header {
            background: var(--primary-blue);
            color: var(--white);
            padding: 25px;
            display: flex;
            align-items: center;
        }
        
        .resource-header i {
            font-size: 2.2rem;
            margin-right: 15px;
        }
        
        .resource-header h3 {
            font-size: 1.4rem;
        }
        
        .resource-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .resource-content > p {
            color: var(--mid-text);
            margin-bottom: 20px;
        }
        
        .resource-content ul {
            list-style: none;
            margin: 20px 0;
            flex-grow: 1;
        }
        
        .resource-content li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .resource-content li:last-child {
            border-bottom: none;
        }
        
        .resource-content a {
            color: var(--mid-text);
            transition: var(--transition);
            flex-grow: 1;
        }
        
        .resource-content a:hover {
            color:#0066cc;
        }
        
        .download-btn {
            color: var(--accent) !important;
            font-weight: 500;
            flex-grow: 0 !important;
            margin-left: 10px;
        }
        
        /* 常见问题部分 */
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--white);
            border-radius: 8px;
            margin-bottom: 15px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px 25px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            background: rgba(0, 102, 204, 0.05);
        }
        
        .faq-question i {
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item.active .faq-answer {
            padding: 0 25px 25px;
            max-height: 500px;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* 技术支持联系部分 */
        .support-contact {
            background: var(--light-bg);
            text-align: center;
        }
        
        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .contact-method {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .contact-method:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
        }
        
        .contact-method i {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }
        
        .contact-method h3 {
            margin-bottom: 15px;
            color: var(--primary-dark);
        }
        
        .contact-method p {
            color: var(--mid-text);
            margin-bottom: 20px;
        }
        
        /* 新增：视频教程模块 */
        .videos-section {
            background: var(--white);
        }
        
        .videos-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .video-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .video-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
        }
        
        .video-thumbnail {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        
        .video-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .video-card:hover .video-thumbnail img {
            transform: scale(1.05);
        }
        
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: rgba(255, 107, 53, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        
        .video-card:hover .video-play-btn {
            background: var(--accent);
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }
        
        .video-info {
            padding: 20px;
        }
        
        .video-info h3 {
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        .video-info p {
            color: var(--mid-text);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }
        
        .video-meta {
            display: flex;
            justify-content: space-between;
            color: var(--light-text);
            font-size: 0.85rem;
        }
        
        /* 新增：留言咨询模块 */
        .message-section {
            background: var(--light-bg);
        }
        
        .message-form-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--card-shadow);
        }
        
        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .form-group {
            flex: 1;
            margin-bottom: 0;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--dark-text);
            font-weight: 500;
        }
        
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 16px;
            transition: var(--transition);
            font-family: inherit;
        }
        
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 150px;
        }
        
        .submit-btn {
            width: 100%;
            padding: 16px;
            background: var(--accent);
            color: var(--white);
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 20px;
        }
        
        .submit-btn:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
        }   
        /* 响应式设计 */
        @media (max-width: 992px) {
            .section {
                padding: 60px 0;
            }
            
            .section-title {
                margin-bottom: 40px;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .support-hero h1 {
                font-size: 2.5rem;
            }
            
            .support-hero p {
                font-size: 1.1rem;
            }
            
            .resources-grid {
                grid-template-columns: 1fr;
            }
            
            .videos-container {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
            
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .section-title h2::after {
                bottom: -10px;
                width: 60px;
                height: 3px;
            }
            
            .support-hero {
                padding: 100px 0 60px;
            }
            
            .support-hero h1 {
                font-size: 2rem;
            }
            
            .support-hero p {
                font-size: 1rem;
            }
            
            .resource-header {
                padding: 20px;
            }
            
            .resource-content {
                padding: 20px;
            }
            
            .contact-methods {
                grid-template-columns: 1fr;
            }
            
            .videos-container {
                grid-template-columns: 1fr;
            }
            
            .message-form-container {
                padding: 30px 20px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .footer-column h3 {
                font-size: 1.2rem;
                margin-bottom: 20px;
            }
        }