.features-showcase {
    margin: 40px 0;
    padding: 20px;
}

.carousel {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

.carousel-slide {
    min-width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    text-align: center;
}

.carousel-slide img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.feature-description {
    margin-top: 20px;
}

.feature-description h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
}

.feature-description p {
    color: #666;
    line-height: 1.6;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: 16px;
    cursor: pointer;
    border-radius: 50%;
    font-size: 18px;
    transition: background 0.3s;
}

.carousel-btn:hover {
    background: rgba(0,0,0,0.7);
}

.prev {
    left: 10px;
}

.next {
    right: 10px;
}

.carousel-dots {
    text-align: center;
    margin-top: 20px;
}

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin: 0 5px;
    background: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: #666;
}

@media (max-width: 768px) {
    .carousel-btn {
        padding: 12px;
        font-size: 16px;
    }
    
    .feature-description h3 {
        font-size: 1.2em;
    }
}

.demo-video-container {
    margin: 0 auto 40px;
    max-width: 800px;
    text-align: center;
}

.demo-video {
    width: 100%;
    max-width: 800px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    background: #f5f5f5; /* 视频加载时的背景色 */
}

.video-description {
    padding: 0 20px;
}

.video-description h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
}

.video-description p {
    color: #666;
    line-height: 1.6;
}

/* 移动设备适配 */
@media (max-width: 768px) {
    .demo-video-container {
        margin-bottom: 30px;
    }
    
    .video-description h3 {
        font-size: 1.2em;
    }
}