.sec-3 {
    padding-top: 80px;
}
.sec-3 .title {
    text-align: center;
}
.sec-8 {
    padding-top: 80px;
}
/*------------------------sec-17------------------------*/
.sec-17 {
    background-color: var(--color-1);
    padding: 80px 0;
}

.sec-17 .whole-main-box .btn-arrow-own {
    background-color: var(--color-w);
}
.sec-17 .whole-main-box .middle-content .swiper4-btn-left span {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236fd4df' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M15 8a.5.5 0 0 0-.5-.5H2.707l3.147-3.146a.5.5 0 1 0-.708-.708l-4 4a.5.5 0 0 0 0 .708l4 4a.5.5 0 0 0 .708-.708L2.707 8.5H14.5A.5.5 0 0 0 15 8'/%3E%3C/svg%3E");
}
.sec-17 .whole-main-box .middle-content .swiper4-btn-right span {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236fd4df' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1 8a.5.5 0 0 1 .5-.5h11.793l-3.147-3.146a.5.5 0 0 1 .708-.708l4 4a.5.5 0 0 1 0 .708l-4 4a.5.5 0 0 1-.708-.708L13.293 8.5H1.5A.5.5 0 0 1 1 8'/%3E%3C/svg%3E");
}
.sec-17 .title-box .st-h2,
.sec-17 .whole-main-box .content-box-bottom h3 a,
.sec-17 .whole-main-box .content-box-bottom p {
    color: var(--color-w);
}

/*------------------------sec-15------------------------*/
.sec-15 .title {
    text-align: center;
    margin-bottom: 40px;
}
.sec-15 .swiper-slide .img-box img {
    max-width: 150px;
}