.section_projects {
    padding: 50px 0;
}

.item_duan {
    align-items: start;
}

.item_duan .duan {
    background-size: cover;
    width: 100%;
    position: relative;
    background-position: 50% 50%;
    overflow: hidden;
    border-radius: 30px;
}

.item_duan:nth-child(1) .duan:nth-child(1),
.item_duan:nth-child(1) .duan:nth-child(2) {
    height: 570px;
}

.item_duan:nth-child(2) .duan:nth-child(1) {
    height: 740px;
}

.item_duan:nth-child(2) .duan:nth-child(2) {
    height: 400px;
}

.item_duan:nth-child(3) .duan:nth-child(2) {
    height: 740px;
}

.item_duan:nth-child(3) .duan:nth-child(1) {
    height: 400px;
}

.item_duan .duan img {
    bottom: 0px;
    font-family: "object-fit: cover;";
    height: 100%;
    left: 0px;
    object-fit: cover;
    object-position: 50% 50%;
    position: absolute;
    right: 0px;
    top: 0px;
    width: 100%;
    transition: all 0.2s ease;
}

.item_duan .duan:hover img {
    transform: scale(1.1);
    transition: all 0.2s ease;
}

.item_duan .duan .text_title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
}