.nav {
    margin-top: 55px;
    width: 100%;
    position: relative;
    background: #fbfbfd;
}

.nav img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(1);
}

/* .nav-container {
    position: relative;
    width: 1920px;
    height: 873px;
    margin: 0 auto;
} */

.nav-container .text-area .title {
    position: absolute;
    left: 30px;
    top: 20px;
    font-size: 14px;
    font-family: 'MicrosoftYaHei';
    font-weight: 400;
    color: rgb(19,162,218);
    line-height: 48px;
}

.nav-container .text-area .con {
    position: absolute;
    left: 30px;
    top: 60px;
    width: 140px;
    font-size: 10px;
    text-align: justify;
    font-family: 'MicrosoftYaHei';
    font-weight: 400;
    color: #1D1D1F;
    line-height: 14px;
}

.product-part .title {
    position: relative;
    width: 100%;
    text-align: center;
    font-size: 14px;
    font-family: MicrosoftYaHei;
    font-weight: 400;
    color: #FBFBFD;
    margin-top: 14px;
}

.product-part .con {
    position: relative;
}

#swiper-container {
    width: 90%;
    height: 100%;
    margin: 0 auto;
    margin-bottom: 20px;
    margin-top: 20px;
}

#swiper-container .swiper-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#swiper-container .swiper-slide {
    width: 100%;
    background-position: center;
    background-size: cover;
    position: relative;
}

#swiper-container .swiper-button-next {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 10px;
    background: rgba(0, 0, 0, 0);
    color: white;
    line-height: 20px;
    text-align: center;
    margin-right: 10px;
}

#swiper-container .swiper-button-next img, #swiper-container .swiper-button-prev img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#swiper-container .swiper-button-prev {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 10px;
    background: rgba(0, 0, 0, 0);
    color: white;
    line-height: 20px;
    text-align: center;
    margin-left: 10px;
}

/* .feature_animation_return {
	top: 100px;
	opacity: 0;
	animation-name: Product_return;
	animation-duration: 0.5s;
}

.feature_animation {
	top: 0;
	opacity: 1;
	animation-name: Product;
	animation-duration: 0.5s;
} */

@keyframes Product {
	0% {
		opacity: 0;
		top: 100px;
	}

	100% {
		opacity: 1;
		top: 0;
	}
}

@keyframes Product_return {
	0% {
		opacity: 1;
		top: 0;
	}

	100% {
		opacity: 0;
		top: 100px;
	}
}