.head {
    width: 100%;
    height: 95vh;
    /* border: 1px solid red; */
    box-sizing: border-box;
    background-image: url(../image/-49478.jpg);
    background-position: 50% 50%;
    background-size: cover;
    position: relative;
    color: #ffffff;
}



.head-title {
    width: 1200px;
    position: absolute;
    top: 45%;
    left: 47%;
    transform: translate(-45%, -45%);
    text-align: center;
}

.head-title1 {
    font-size: 54px;
    font-weight: 600;
    line-height: 80px;
    font-family: Arial, Helvetica, sans-serif;
}

.head-title2 {
    font-size: 22px;
    line-height: 60px;
    font-weight: 500;
}

.head-line {
    width: 1px;
    height: 64px;
    margin: 0 auto;
    background: #ffffff;
    position: absolute;
    top: 120%;
    left: 50%;
}

.head-mouse {
    position: absolute;
    left: 49.6%;
    bottom: 6%;
}

.head-mouse img {
    width: 21px;
    height: 34px;
}

/* 关于我们 */
.ablut-box {
    width: 100%;
    background-color: rgb(250, 250, 250);
    padding-bottom: 60px;
}

.about {
    min-height: 200px;
    width: 1200px;
    margin: 0 auto;
    padding: 20px 0;

}

.about-top {
    display: flex;
    align-items: center;
    padding: 50px 0;
}

.about-left {
    width: 25%;
}

.about-text1 {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
}

.about-text2 {
    font-weight: 600;
}

.about-right {
    width: 75%;
}

.about-right1 {
    margin: 0;
    text-indent: 2em;
    font-size: 14px;
    color: #666666;
    line-height: 2;
}

.about-bottom {
    display: flex;
    gap: 1%;
}

.item-back {
    width: 24%;
    height: 327px;
    background-color: rgb(0 255 192);
}

.item {
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
}

.item:hover {
    transform: translateY(-7px)
}

.item img {
    width: 90px;
    height: 90px;
}

.item-text1 {
    font-size: 18px;
    color: #444444;
    font-weight: 600;
    margin: 20px 0;
}

.item-text2 {
    font-size: 14px;
    color: #777777;
    line-height: 25px;
}

/* 平台展示 */
.platform {
    background-color: rgb(250, 250, 250);
    display: flex;
    flex-wrap: wrap;
}

.pla-item {
    width: 50%;
    height: 630px;
    background-color: rgb(255, 255, 255);
}

.pla-item2 {
    background-color: rgb(243, 243, 243);
}

.pla-item-box {
    width: 600px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.pla-t1 {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
    line-height: 53px;
}

.pla-t2 {
    font-size: 14px;
    font-weight: 600;
    font-family: Arial Black;
}

.pla-t3 {
    font-size: 14px;
    color: #666666;
    line-height: 25px;
    margin: 30px 0 7px 0;
}

.pla-t4 a {
    color: #609ee9;
    font-size: 12px;
    text-decoration: none;
}

/* 服务案例 */
.case {
    width: 1200px;
    min-height: 200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 85px;
    margin-bottom: 20px;
}

.case-img {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 30px;
}

.case-img .case-img-item {
    width: 32%;
    position: relative;
    overflow: hidden;
}

.case-hover {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform 0.4s ease;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.case-img .case-img-item:hover .case-hover {
    transform: translateY(0);
}