.video-section {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
        }
        
        .video-test-container {
            flex: 1;
            position: relative;
            max-width: 600px;
            width: 100%;
            background: #000;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .video-test-container::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
            pointer-events: none;
            z-index: 10;
            border-radius: 0 0 8px 8px;
        }
        
        .video-test-container video {
            width: 100%;
            height: auto;
            max-height: 400px;
            object-fit: cover;
            display: block;
            /* 跨设备兼容性 */
            -webkit-transform: translateZ(0);
            transform: translateZ(0);
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
        }
        
        /* 视频加载状态 */
        .video-test-container::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 40px;
            height: 40px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-top: 3px solid #3498db;
            border-radius: 50%;
            animation: videoSpin 1s linear infinite;
            z-index: 10;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }
        
        .video-test-container.loading::before {
            opacity: 1;
        }
        
        @keyframes videoSpin {
            0% { transform: translate(-50%, -50%) rotate(0deg); }
            100% { transform: translate(-50%, -50%) rotate(360deg); }
        }
        
        /* 隐藏旧的播放按钮覆盖层（不再使用） */
        .video-play-overlay {
            display: none !important;
        }
        
        .company-summary {
            flex: 1;
            padding: 20px 0;
        }
        
        .company-summary h2 {
            color: #1a5276;
            margin-bottom: 20px;
            font-size: 28px;
            border-bottom: 2px solid #3498db;
            padding-bottom: 10px;
        }
        
        .summary-points {
            margin-bottom: 30px;
        }
        
        .summary-points li {
            margin-bottom: 15px;
            font-size: 16px;
            text-align: justify;
            list-style-type: none;
            padding-left: 20px;
            position: relative;
        }
        
        .summary-points li:before {
            content: "•";
            color: #3498db;
            font-weight: bold;
            position: absolute;
            left: 0;
        }
        
        .cta-button {
            display: inline-block;
            background-color: #3498db;
            color: white;
            padding: 12px 25px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .cta-button:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }
        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .video-section {
                flex-direction: column;
                gap: 30px;
            }
            
            .video-test-container {
                max-width: 100%;
                order: -1;
            }
            
            .video-test-container video {
                max-height: 350px;
            }
        }
        
        @media (max-width: 768px) {
            .video-section {
                gap: 25px;
            }
            
            .video-test-container video {
                max-height: 300px;
            }
            
            .company-summary {
                padding: 15px 0;
            }
            
            .company-summary h2 {
                font-size: 24px;
                margin-bottom: 18px;
            }
            
            .summary-points li {
                font-size: 15px;
                margin-bottom: 12px;
            }
            
            .video-play-overlay {
                width: 50px;
                height: 50px;
            }
            
            .video-play-overlay::after {
                border-left-width: 16px;
                border-top-width: 10px;
                border-bottom-width: 10px;
            }
        }
        
        @media (max-width: 480px) {
            .video-section {
                gap: 20px;
            }
            
            .video-test-container video {
                max-height: 250px;
            }
            
            .company-summary h2 {
                font-size: 20px;
                margin-bottom: 15px;
            }
            
            .summary-points li {
                font-size: 14px;
                margin-bottom: 10px;
            }
            
            .video-play-overlay {
                width: 45px;
                height: 45px;
            }
            
            .video-play-overlay::after {
                border-left-width: 14px;
                border-top-width: 8px;
                border-bottom-width: 8px;
            }
        }
        
        /* iOS Safari 特殊处理 */
        @supports (-webkit-touch-callout: none) {
            .video-test-container video {
                appearance: none;
                -webkit-appearance: none;
                user-select: none;
                -webkit-user-select: none;
                -webkit-tap-highlight-color: transparent;
            }
        }
        
        /* Android 特殊处理 */
        @media screen and (-webkit-min-device-pixel-ratio: 0) {
            .video-test-container video {
                transform: translate3d(0, 0, 0);
                -webkit-transform: translate3d(0, 0, 0);
                backface-visibility: hidden;
                -webkit-backface-visibility: hidden;
            }
        }
        
        /* 高DPI屏幕优化 */
        @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
            .video-test-container video {
                image-rendering: -webkit-optimize-contrast;
                image-rendering: crisp-edges;
            }
        }
        
        /* 视频包装器 */
        .video-wrapper {
            flex: 1;
            max-width: 600px;
            width: 100%;
            position: relative;
        }
        
        /* 视频控制栏 - 悬浮在视频下方 */
        .video-controls-bar {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            z-index: 20;
            background: rgba(255, 255, 255, 0.95);
            padding: 12px 20px;
            border-radius: 30px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            opacity: 1;
        }
        
        .video-wrapper:hover .video-controls-bar,
        .video-controls-bar:hover {
            background: rgba(255, 255, 255, 1);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
        }
        
        /* 视频播放时，控制栏稍微透明 */
        .video-wrapper:has(.video-test-container:not(.paused)) .video-controls-bar {
            opacity: 0.85;
        }
        
        .video-wrapper:has(.video-test-container:not(.paused)) .video-controls-bar:hover {
            opacity: 1;
        }
        
        /* 兼容不支持:has()的浏览器 */
        .video-test-container:not(.paused) + .video-controls-bar {
            opacity: 0.85;
        }
        
        .video-test-container:not(.paused) + .video-controls-bar:hover {
            opacity: 1;
        }
        
        /* 隐藏旧的视频控制样式（如果存在） */
        .video-controls {
            display: none !important;
        }
        
        /* 新的控制按钮样式 */
        .video-control-btn {
            background: rgba(0,156,235, 0.1);
            color: rgba(0,156,235);
            border: 2px solid rgba(0,156,235, 0.3);
            padding: 0;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
            font-family: inherit;
        }
        
        .video-control-btn:hover {
            background: rgba(0,156,235, 0.2);
            border-color: rgba(0,156,235, 0.5);
            transform: scale(1.1);
        }
        
        .video-control-btn:active {
            transform: scale(0.95);
            background: rgba(0,156,235, 0.3);
        }
        
        .video-control-btn i {
            font-size: 16px;
            text-align: center;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
        }
        
        /* 确保所有按钮图标大小一致 */
        .video-control-btn .fa-play,
        .video-control-btn .fa-pause,
        .video-control-btn .fa-volume-mute,
        .video-control-btn .fa-volume-up,
        .video-control-btn .fa-expand,
        .video-control-btn .fa-compress {
            width: 16px;
            height: 16px;
            font-size: 16px;
            line-height: 16px;
        }
        
        /* 旧的视频按钮样式（保留兼容性） */
        .video-btn {
            background: none;
            color: white;
            border: none;
            padding: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
            font-family: inherit;
        }
        
        .video-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }
        
        .video-btn:active {
            transform: scale(0.95);
            background: rgba(255, 255, 255, 0.3);
        }
        
        .video-btn i {
            font-size: 14px;
            text-align: center;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
        }
        
        .video-btn span {
            display: none;
        }
        
        /* 确保所有按钮图标大小一致 */
        .video-btn .fa-play,
        .video-btn .fa-pause,
        .video-btn .fa-volume-mute,
        .video-btn .fa-volume-up,
        .video-btn .fa-expand,
        .video-btn .fa-compress {
            width: 14px;
            height: 14px;
            font-size: 14px;
            line-height: 14px;
        }
        
        /* 移动端优化 */
        @media (max-width: 768px) {
            .video-controls-bar {
                bottom: 12px;
                gap: 12px;
                padding: 10px 16px;
            }
            
            .video-control-btn {
                width: 36px;
                height: 36px;
            }
            
            .video-control-btn i {
                font-size: 14px;
            }
            
            .video-controls {
                bottom: 25px;
                gap: 12px;
                padding: 6px 10px;
            }
            
            .video-btn {
                width: 28px;
                height: 28px;
            }
            
            .video-btn i {
                font-size: 12px;
            }
        }
        
        @media (max-width: 480px) {
            .video-controls-bar {
                bottom: 10px;
                gap: 10px;
                padding: 8px 14px;
            }
            
            .video-control-btn {
                width: 32px;
                height: 32px;
            }
            
            .video-control-btn i {
                font-size: 12px;
            }
            
            .video-controls {
                bottom: 20px;
                gap: 10px;
                padding: 5px 8px;
            }
            
            .video-btn {
                width: 26px;
                height: 26px;
            }
            
            .video-btn i {
                font-size: 11px;
            }
        }