h3 {
    font-size: 34px;
}

.banner,
.banner .swiper-slide {
    height: 600px;
}

.realcase {
    margin-top: 0;
}

.who {
    margin-top: var(--section-margin);
    user-select: none;
}

.who .item {
    width: 280px;
    background-color: #e5e5e5;
    padding-bottom: 20px;
}

.who .item img {
    height: 200px;
    object-fit: cover;
}

.who .item i {
    width: 60px;
    height: 60px;
    margin-top: -30px;
}

.who .item h5 {
    font-size: 21px;
    margin-top: 20px;
}

.who .item p {
    padding: 0 20px;
    margin-top: 20px;
}

.regular .item:nth-of-type(1) {
    background-image: url(../images/dacf/regular-1.png);
}

.regular .item:nth-of-type(2) {
    background-image: url(../images/dacf/regular-2.png);
}

.regular .item:nth-of-type(3) {
    background-image: url(../images/dacf/regular-3.png);
}

.regular .item:nth-of-type(4) {
    background-image: url(../images/dacf/regular-4.png);
}

.why {
    margin-top: var(--section-margin);
    height: 590px;
    background: url(../images/dacf/why.png) center no-repeat;
    position: relative;
}