/* 额外的图文结合功能样式 */
.feature-card p {
    color: #666;
    line-height: 1.6;
    flex-grow: 1;
    font-size: 0.9rem;
}

.feature-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 0.8rem;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-highlight {
    display: flex;
    gap: 0.2rem;
    margin-top: 0.3rem;
    flex-wrap: wrap;
}

.highlight-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 500;
}

/* 视频展示区域优化样式 */
.video-carousel-container {
    position: relative;
    overflow: hidden;
}

.video-groups-wrapper {
    position: relative;
    overflow: hidden;
}

.video-group {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.video-group.active {
    display: block;
    opacity: 1;
}

/* 优化切换按钮样式 */
.video-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #667eea;
    color: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    font-size: 18px;
}

.video-nav-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.video-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.video-nav-left {
    left: 20px;
}

.video-nav-right {
    right: 20px;
}

/* 指示器样式 */
.video-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.video-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-indicators .indicator.active {
    background: #667eea;
    transform: scale(1.2);
}

.video-indicators .indicator:hover {
    background: #999;
}

.video-indicators .indicator.active:hover {
    background: #667eea;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .video-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .video-nav-left {
        left: 10px;
    }
    
    .video-nav-right {
        right: 10px;
    }
}