/* 产品通用样式 */
.product-section {
    padding: 64px 48px;
}

.product-section:nth-child(even) {
    background: rgba(245, 247, 250, 1);
}

.product-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
}

.product-icon {
    height: 93px;
    margin-right: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-title-wrapper {
    flex: 1;
}

.product-title {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.product-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: rgba(10, 36, 99, 1);
    font-family: 'SourceHanSans-Bold', sans-serif;
    margin-right: 12px;
}

.product-tag {
    padding: 4px 12px;
    background: rgba(255, 125, 0, 0.1);
    color: rgba(255, 125, 0, 1);
    border-radius: 14px;
    font-size: 14px;
    font-family: 'SourceHanSans-Regular', sans-serif;
}

.product-subtitle {
    font-size: 20px;
    color: rgba(51, 51, 51, 1);
    font-family: 'SourceHanSans-Regular', sans-serif;
}

.product-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.product-content {
    padding: 0;
}

.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: rgba(245, 247, 250, 1);
    border-radius: 12px;
    padding: 32px;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.product-image-placeholder {
    width: 100%;
    height: 401px;
    background: rgba(255, 255, 255, 1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: rgba(153, 153, 153, 1);
    font-size: 16px;
}

.product-image-placeholder i {
    font-size: 48px;
    margin-bottom: 12px;
}

/* 服务卡片 */
.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background: rgba(255, 255, 255, 1);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.service-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.service-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(10, 36, 99, 0.1);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.service-card-icon i {
    font-size: 20px;
    color: rgba(10, 36, 99, 1);
}

.service-card-title {
    font-size: 16px;
    font-weight: 600;
    color: rgba(10, 36, 99, 1);
    font-family: 'SourceHanSans-SemiBold', sans-serif;
}

.service-card-desc {
    font-size: 14px;
    color: rgba(102, 102, 102, 1);
    line-height: 1.6;
}

/* 孪生层级 */
.twin-levels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.twin-level {
    text-align: center;
    padding: 20px 12px;
    background: rgba(255, 255, 255, 1);
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.twin-level:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.twin-level-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    background: rgba(10, 36, 99, 0.1);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.twin-level-icon i {
    font-size: 28px;
    color: rgba(10, 36, 99, 1);
}

.twin-level-title {
    font-size: 14px;
    font-weight: 600;
    color: rgba(10, 36, 99, 1);
    margin-bottom: 6px;
    font-family: 'SourceHanSans-SemiBold', sans-serif;
}

.twin-level-desc {
    font-size: 12px;
    color: rgba(102, 102, 102, 1);
    line-height: 1.5;
}

/* 产品内容区域 */
.content-section {
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 600;
    color: rgba(10, 36, 99, 1);
    font-family: 'SourceHanSans-SemiBold', sans-serif;
}

.feature-list {
    list-style: none;
    background: rgba(245, 247, 250, 1);
    border-radius: 12px;
    padding: 20px;
}

.product-section:nth-child(even) .feature-list {
    background: rgba(255, 255, 255, 1);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 16px;
    color: rgba(10, 36, 99, 1);
}

.feature-text {
    flex: 1;
}

.feature-title {
    font-size: 16px;
    font-weight: 600;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 4px;
}

.feature-desc {
    font-size: 14px;
    color: rgba(102, 102, 102, 1);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .product-details {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-image {
        order: -1;
        margin-bottom: 0;
    }

    .twin-levels {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 轮播图样式 */
.carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.carousel-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    flex: 0 0 100%;
    display: none;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: rgba(10, 36, 99, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 10;
    transition: all 0.3s;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(10, 36, 99, 1);
    color: white;
}

.carousel-prev {
    left: 16px;
}

.carousel-next {
    right: 16px;
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-indicator.active {
    width: 32px;
    border-radius: 6px;
    background: rgba(10, 36, 99, 1);
}

@media (max-width: 768px) {
    .product-section {
        padding: 40px 16px;
    }
    .product-header {
        flex-direction: column;
        margin-bottom: 32px;
    }
    .product-icon {
        height: 64px;
        margin-bottom: 16px;
    }
    .product-title h2 {
        font-size: 24px;
    }
    .product-subtitle {
        font-size: 16px;
    }
    .product-details {
        gap: 24px;
    }
    .product-image {
        padding: 16px;
        min-height: 250px;
    }
    .section-header {
        font-size: 16px;
    }
    .feature-list {
        padding: 16px;
    }
    .feature-title {
        font-size: 14px;
    }
    .feature-desc {
        font-size: 13px;
    }
    .twin-levels {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .twin-level {
        padding: 16px 12px;
    }
    .twin-level-icon {
        width: 44px;
        height: 44px;
    }
    .twin-level-icon i {
        font-size: 22px;
    }
    .service-cards {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 32px;
    }
    .service-card {
        padding: 20px;
    }
    .carousel-prev,
    .carousel-next {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    .carousel-indicator {
        width: 10px;
        height: 10px;
    }
    .carousel-indicator.active {
        width: 24px;
    }
}

@media (max-width: 480px) {
    .product-section {
        padding: 32px 12px;
    }
    .product-icon {
        height: 52px;
    }
    .product-title h2 {
        font-size: 20px;
    }
    .product-subtitle {
        font-size: 14px;
    }
    .product-tag {
        font-size: 12px;
        padding: 3px 10px;
    }
    .product-image {
        padding: 12px;
        min-height: 200px;
    }
    .twin-levels {
        grid-template-columns: 1fr;
    }
}