.mbanner,.header.mhead .msearch {
    display: block;
}
.ibanner {
    height: 93.33vw;
}
.ibanner .position {
    right:  auto;
    left:  50%;
    transform: translate(-50%,0);
    top: 4.8vw;
    text-align:  center;
}
.ibanner .position span, .proImg .position>span, .history .position>span {
    font-size: 12px;
}
.ibanner .position p.t, .history .position p.t {
    font-size: 32px;
    line-height: 36px;
    margin-bottom: 14px;
}
.ibanner .position p.a {
    text-align:  center;
}
.ibanner .position a, .proImg .position a {
    padding: 0px 5px;
}
.ibanner, .proImg, .history {
    margin-bottom: 12px;
}
.video {
    margin-bottom: 12px;
}
.product1 .proImg {
    height: 80vw;
    /* background-size: 80%; */
    background-position: 50% 70%;
}
.proImg .position p.t, .history .position p.t {
    font-size: 26px;
    margin: 12px 0 8px 0;
    line-height: 20px;
}
.proImg .position p.t span, .history .position p.t span {
    font-size: 12px;
    white-space:  nowrap;
}
.proImg1 .position,.proImg2 .position,.product2 .proImg .position,.history .position {
    left:  50%;
    top: 9vw;
    transform: translate(-50%,0);
    text-align:  center;
    right: auto;
}
.proImg1 .position {
    top: 10vw;
}
.product2 {
    margin: 0;
}
.product2 .proImg {
    width: 100%;
    border: none !important;
    height: 66.67vw;
    /* background-size: 80%; */
    background-position: 50% 70%;
}
.product2 .proImg .position p.t {
    font-size: 22px;
    line-height: 18px;
    margin-top: 7px;
}
.product2 .proImg03,.product2 .proImg032 {
    background-size: 120%;
}
.product2 .proImg03 {
    background-position: 0 50%;
}
.product2 .proImg032 {
    background-position: 100% 50%;
}
.product2 .proImg03 .position,.product2 .proImg032 .position {
    top: 7vw;
}
.product1 .proImg1 {
    background-size: 130%;
    background-position: 38% 105%;
}
.product1 .proImg2 {
    background-size: 130%;
    background-position: 55% 105%;
}
.product2 .proImg01,.product2 .proImg02 {
    background-size: 105%;
    background-position: -55% 105%;
}

.history {
    height: 92.67vw;
    margin: 0 0 12px 0;
    background-size:  cover;
    background-position: 38% 50%;
}
.history .position {
    margin: 0;
    top: 15vw;
}
.history .position p.t {
    margin: 6px 0 4px 0;
}
.history .positionB {
    background-size: 85%;
    background-position: 50% 76%;
}