.banner {
    background: #000;
    height: 85vh;
    /* padding-top: 1%; */
}
.banner .col-md-7 {
    margin-top: 30px;
}
.banner .col-md-7 .img1 {
    position: relative; 
    width: 100%;
    z-index: 1;
}
.banner .col-md-7 .img2 {
    position: absolute;
    width: 25%;
    margin-top: 28%;
    left: 40%;
    z-index: 2;
}

.banner .col-md-7 .img3 {
    position: absolute;
    width: 50%;
    margin-top: 22%;
    left: 30%;
    z-index: 3;
}
@keyframes img1 {
    0% {
        -webkit-transform: scale(0.5);
        opacity: 0
    }
    100% {
        -webkit-transform: scale(1);
        opacity: 1
    }
}
.banner .img1,
.banner .img2,
.banner .two {
    animation: img1 1s linear;
}
.banner .two {
    display: flex;
    align-items: center;
    margin-top: 2%;
    padding-left: 0;
}
.banner .two .title {
    width: 100%;
    color: white;
    font-size: 32px;
    font-weight: 600;
}
.banner .two p {
    width: 75%;
    color: white;
    font-size: 22px;
    padding: 15px 0;
}

/* products */
.box .container-fluid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding-top: 3%;
}
.box .row {
    width: 90%;
    margin-bottom: 3%;
}
.box .pdLeft {
    padding-right: 3%;
}
.box .pdTit {
    font-size: 32px;
    font-weight: 600;
}
.box .pdCont {
    /* width: 90%; */
    line-height: 1.8;
    text-align: justify;
}

.box .col-md-7 a {
    display: block;
    float: left;
    text-decoration: none;
    color: #000;
    margin-right: 15px;
}
.box .col-md-7 .imgs {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 150px;
}
.box .col-md-7 img {
    width: 200px;
    height: 150px;
    transition: transform .2s;
}
.box .col-md-7 img:hover{
    transform: scale(1.1);
}
.box .col-md-7 .name {
    text-align: center;
}
.box #tuoluo {
    width: 140px;
    height: 110px;
}
.box #lq {
    width: 260px;
    height: 160px;
}
.box .dlDetail i {
    color: #0056b3;
    font-size: 26px;
    margin-right: 1%;
}
.box .dlDetail a {
    color: #0056b3 !important;
    font-size: 24px;
}
.box .dlDetail a:hover {
    /* color: #0056b3 !important; */
    text-decoration: underline !important;
}