.casetop {
    width: 1920px;
    height: 360px;
    background: url(https://blaz.ar0755.com/html/ar-max/images/brands/top.png) no-repeat;
    color: #fff;
    text-align: center;
}

.casemenu {
    width: 1452px;
    height: 75px;
    background: #fff;
    position: relative;
    margin-left: -726px;
    margin-top: 20px;
    left: 50%;
    border-radius: 5px;
    overflow: hidden;
    transition: all .1s linear;
}

.typeline {
    position: relative;
    margin-left: 55px;
}

.typeline .menu {
    margin-right: 50px;
}

.queryline {
    padding-top: 25px;
    height: 50px;
}

.queryline input {
    width: 1230px;
    padding-left: 30px;
    height: 40px;
    line-height: 54px;
    border: 1px solid #1577E4;
    font-size: 18px;
    border-radius: 30px;
}

.searchbutton {
    width: 80px;
    height: 34px;
    position: absolute;
    right: 100px;
    top: 29px;
    border-radius: 30px;
    background: url(https://blaz.ar0755.com/html/ar-max/images/case/search.png) no-repeat #1577E4;
    background-size: 20px;
    background-position: 31px 8px;
}

.tipline {
    margin-top: -5px;
    margin-bottom: 5px;
}

.cetip {
    display: inline-block;
    font-size: 12px;
    line-height: 12px;
    padding: 3px 7px;
    margin-left: 18px;
    border-radius: 17px;
    background: #55ABF9;
    color: #fff;
}

.caselist {
    width: 1360px;
    margin: -25px auto 0;
    overflow: hidden;
}

.caselist .caseentity {
    width: 320px;
    height: 350px;
    margin: 0 10px 35px 10px;
    background: #fff;
    float: left;
    border-radius: 4px;
    box-shadow: 0px 3px 3px #ddd;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    animation-duration: 1s;
    animation-fill-mode: both;
    visibility: visible;
    animation-name: fadeInUp;
    transition: all .3s linear;
}

.caseentity:hover {
    box-shadow: 0px 3px 12px #888;
}

.ceimg img {
    width: 320px;
    height: 180px;
}

.svideobutton{
    top: 120px;
    left: 20px;
}

.abutton {
    margin: 80px auto 0;
    width: 228px;
    height: 60px;
    background: #0C78FF;
    box-shadow: 0px 7px 16px 0px rgba(34, 138, 255, 0.63);
    border-radius: 15px;
    font-size: 20px;
    font-weight: bold;
    color: #FFFFFF;
    text-align: center;
    line-height: 60px;
    cursor: pointer;
}


.mKefu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    z-index: 999;
    display: none;
}

.mKefu img {
    position: absolute;
    width: 808px;
    height: 501px;
    left: -404px;
    margin-left: 50%;
    top: 50vh;
    margin-top: -250px;
}

.mKefu::after {
    content: '';
    width: 37px;
    height: 37px;
    position: absolute;
    background: url(https://blaz.ar0755.com/html/ar-max/images/solution/exhibition/banner/close.png);
    background-size: 37px;
    top: 50vh;
    margin-left: 50%;
    left: 367px;
    margin-top: -319px;
}