@media (max-width: 768px) {
    .banner {
        height: 200px;
        /* background-image: url("../images/bannerMB.jpg"); */
    }
    .banner .bannerContent {
        width: 100%;
        padding: 0 15px;
    }
    .bannerTitle {
        font-size: 24px;
        line-height: 30px;
        max-width: 100%;
    }
    .bannerDesc {
        font-size: 12px;
        line-height: 18px;
        margin-bottom: 16px;
    }
}
.body {
    width: 1200px;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 0);
}
.headline {
    width: 100%;
    display: flex;
    flex-direction: row-reverse;
    margin-top: 32px;
    margin-bottom: 36px;
}
.headline .right {
    display: flex;
    align-items: center;
}
.headline .right .word {
    font-size : 14px ;
    color : #252B3A ;
    margin-right: 32px;
}
.versions:hover .current-version,
.versions:active .current-version {
    border-color: #252b3a;
}

.version-icon {
    float: right;
    width: 8px;
    height: 5px;
    background: url(../images/arrowdown_mb.svg) no-repeat center;
    background-size: contain;
    margin-top: 14px;
}
.versionList {
    display: none;
    position: absolute;
    top: 32px;
    z-index: 2;
    width: 100%;
    background-color: #fff;
    border: 1px solid #dfe1e6;
}

.versionList li.active {
    background-color: #c7000b;
}

.versionList li.active a {
    color: #fff;
}

.versionList li a {
    font-size: 12px;
}

.versionList li {
    text-align: left;
    line-height: 32px;
    padding: 0 16px;
}

.current-version {
    display: inline-block;
    width: 160px;
    height: 32px;
    line-height: 32px;
    padding: 0 12px;
    border: 1px solid #ccc;
    text-align: left;
    user-select: none;
    font-size: 12px;
}
.versions {
    display: inline-block;
    position: relative;
    font-size: 12px;
}
.headline .right .select {
    font-size : 12px ;
    line-height: 18px ;
    color : #252B3A ;
    padding: 5px 10px;
    border: 1px solid #ADB0B8;
    border-radius: 2px;
    width: 196px;
    height: 30px;
    box-sizing: border-box;
    position: relative;
    cursor: pointer;
}
.headline .right .select .next {
    position: absolute;
    right: 10px;
    top: 4px;
    font-weight: bold;
}
.body .part {
    width: 100%;
    margin-bottom: 48px;
}
.body .part:nth-last-child(1) {
    margin-bottom: 64px;
}
.body .part .title {
    width: 100%;
    font-size : 26px ;
    color : #252B3A ;
    text-align : center ;
    line-height : 30px ;
    margin-bottom: 32px;
}
.body .part .linespace {
    margin-bottom: 16px;
}
.body .part .box-whole {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.body .part .box-whole-around {
    width: 100%;
    display: flex;
    justify-content: flex-start;
}

.body .part .box-whole-around .box {
    display: block;
    width: calc((100% - 32px) / 3);
    height: 170px;
    position: relative;
    box-shadow : 0 1px 4px 0 rgba(128,132,145,0.30) ;
    animation: shadowMore1 1s ;
}
.body .part .box-whole-around .box:hover {
    animation: shadowMore 1s ;
    animation-fill-mode:forwards;
}
.box-whole-around .box .bg-img {
    width: 100%;
    height: 170px;
    background-image : linear-gradient(204deg, #EDF1F4 0%, #EDF1F4 23%, #FFFFFF 69%, #F7F9FA 100%) ;
}
.part .box-whole-around .box .conten {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    padding: 24px;
    box-sizing: border-box;
}

.body .part .box-whole .box {
    display: block;
    width: calc((100% - 32px) / 3);
    height: 170px;
    position: relative;
    box-shadow : 0 1px 4px 0 rgba(128,132,145,0.30) ;
    animation: shadowMore1 1s ;
}
.body .part .box-whole .box:hover {
    animation: shadowMore 1s ;
    animation-fill-mode:forwards;
}
.body .part .box-whole2 .box {
    height: 232px;
}

.box-whole .box .bg-img {
    width: 100%;
    height: 170px;
    background-image : linear-gradient(204deg, #EDF1F4 0%, #EDF1F4 23%, #FFFFFF 69%, #F7F9FA 100%) ;
}
.box-whole2 .box .bg-img {
    width: 100%;
    height: 232px;
    background-image : linear-gradient(204deg, #EDF1F4 0%, #EDF1F4 23%, #FFFFFF 69%, #F7F9FA 100%) ;
}
.part .box-whole .box .conten {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    padding: 24px;
    box-sizing: border-box;
}
.conten .left {
    width: 40px;
    height: 40px;
}
.conten .right {
    width: calc(100% - 60px);
}
.conten .right .name {
    width: 100%;
    font-size : 18px ;
    color : #252B3A ;
    line-height : 40px ;
    font-weight: bold;
}
.conten .right .line {
    width: 32px;
    height: 3px;
    background : #ADB0B8 ;
    margin-top: 16px;
    animation: lineLong1 1s ;
}

.body .part .box-whole .box:hover .conten .right .line{
    background : #C7000B ;
    animation: lineLong 1s ;
    animation-fill-mode:forwards;
}
.body .part .box-whole-around .box:hover .conten .right .line{
    background : #C7000B ;
    animation: lineLong 1s ;
    animation-fill-mode:forwards;
}
.conten .right .desc {
    width: 100%;
    font-size : 14px ;
    color : #252B3A ;
    line-height : 22px ;
    margin-top: 16px;
}


@keyframes shadowMore1 {
    from {
        box-shadow : 0 6px 12px 0 rgba(0,0,0,0.10) ;
    }
  
    to {
        box-shadow : 0 1px 4px 0 rgba(0,0,0,0.10) ;
    }
}
@keyframes lineLong1 {
    from {
        width: 48px; 
    }
    
    to {
        width: 32px;
    }
}
@keyframes shadowMore {
    from {
        box-shadow : 0 1px 4px 0 rgba(0,0,0,0.10) ;
    }
  
    to {
        box-shadow : 0 6px 12px 0 rgba(0,0,0,0.10) ;
  }
}
@keyframes lineLong {
    from {
        width: 32px;
    }
  
    to {
        width: 48px;
  }
}