/* 产品功能轮播样式 */
.product-features-carousel {
    padding: 70px 0;
    background-color: #fff;
    position: relative;
}

.product-features-carousel .section-header {
    text-align: center;
    margin-bottom: 30px;
}

.product-features-carousel .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.product-features-carousel .section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* 轮播主体 */
.feature-carousel-container {
    position: relative;
    width: 100%;
}

/* 轮播导航 - 全屏背景 */
.feature-nav-container {
    position: relative;
    background-color: #f8f9fa;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 25px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #e9ecef;
}

.feature-nav-container .nav-inner {
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
    padding: 0 60px;
}

.feature-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    position: relative;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0 10px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.feature-nav::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.feature-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 15px 5px;
    background-color: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100px;
    height: 92px;
    position: relative;
    flex-shrink: 0;
}

.feature-nav-item.active {
    background-color: #007bff;
}

.feature-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #508BE6;
}

.feature-nav-icon {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.feature-nav-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* SVG图标样式 */
.feature-nav-icon svg {
    width: 100%;
    height: 100%;
}

.feature-nav-item.active .feature-nav-icon {
    filter: brightness(0) invert(1); /* 将任何颜色转换为白色 */
}

.feature-nav-text {
    width: 100%;
}

.feature-nav-text h4 {
    font-size: 12px;
    font-weight: normal;
    margin: 0;
    color: #333;
    transition: all 0.3s ease;
}

.feature-nav-text p {
    display: none; /* 隐藏副标题，只显示主标题 */
}

.feature-nav-item.active .feature-nav-text h4 {
    color: #fff;
}

/* 左右箭头导航 */
.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: none;
    font-size: 1.2rem;
}

.nav-arrow:hover {
    background-color: #fff;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.nav-prev {
    left: 20px;
}

.nav-next {
    right: 20px;
}

.feature-slides {
    background-color: #fff;

    position: relative;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.feature-slide {
    display: none;

}

.feature-slide.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 轮播内容布局 */
.feature-content {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 40px auto;

    box-sizing: border-box;
}

.feature-text {

    width: 400px;
    padding: 20px 0;
    box-sizing: border-box;
}

.feature-text h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.feature-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 25px;
}

.feature-text ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.feature-text ul li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: #555;
}

.feature-text ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background-color: #508BE6;
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' viewBox='0 0 10 8' fill='none'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.feature-image {
 
    max-width: 970px; /* 1000px - 30px gap */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 功能按钮 */
.feature-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.feature-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.feature-btn:hover {
    background-color: #3a6fc8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(80, 139, 230, 0.3);
}

.feature-btn.outline {
    background-color: transparent;
    border: 2px solid #007bff;
    color: #508BE6;
}

.feature-btn.outline:hover {
    background-color: #508BE6;
    color: white;
}
.feature-image2 {
    border:2px solid #e9ecef;
    border-radius: 12px;
}
.feature-image2:hover  {
 box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
/* 特色点样式 */
.feature-points {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.feature-point {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-point-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    background-color: #4caf50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-size: 0.9rem;
    margin-top: 3px;
}

.feature-point-text {
    font-size: 14px;
    color: #555;
    line-height: 1.5;
}

/* 数据统计样式 */
.feature-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: left;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #508BE6;
    margin-bottom: 5px;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* 响应式调整 */
@media (max-width: 1440px) {
    .feature-content {
        max-width: 90%;
    }
}

@media (max-width: 992px) {
    .feature-content {
        flex-direction: column;
        gap: 30px;
        max-width: 90%;
    }
    
    .feature-text {
        order: 2;
        width: 100%;
        flex: 1 1 auto;
        max-width: 100%;
    }
    
    .feature-image {
        order: 1;
        width: 100%;
        max-width: 100%;
    }
    
    .feature-nav {
        gap: 15px;
    }
    
    .feature-nav-item {
        width: 80px;
        padding: 10px 5px;
    }
    
    .feature-nav-icon {
        width: 30px;
        height: 30px;
    }
    
    .feature-nav-text h4 {
        font-size: 0.8rem;
    }
    
    .feature-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-features-carousel {
        padding: 60px 0;
    }
    
    .product-features-carousel .section-header h2 {
        font-size: 2rem;
    }
    
    .feature-text h3 {
        font-size: 1.8rem;
    }
    
    .feature-text p {
        font-size: 1rem;
    }
    
    .feature-text ul li {
        font-size: 0.95rem;
    }
    
    .feature-nav-container {
        padding: 10px 50px;
    }
    
    .nav-arrow {
        width: 35px;
        height: 35px;
    }
    
    .feature-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .feature-slide {
        padding: 20px;
    }
    
    .feature-text h3 {
        font-size: 1.5rem;
    }
    
    .feature-nav-item {
        width: 70px;
    }
    
    .feature-nav-icon {
        width: 25px;
        height: 25px;
    }
    
    .feature-nav-text h4 {
        font-size: 0.75rem;
    }
    
    .nav-arrow {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}