.product,
.product * {
    box-sizing: border-box;
}
.product {
    padding-top: 50px;
    width: 100%;
    height: auto;
    position: relative;
    text-align: center;
}
.product:nth-of-type(odd){ background:#f5f5f5;}
.product:nth-of-type(even){ background:white;}
.productBox {
    margin-top: 33px;
    display: inline-block;
    height: auto;
    width: auto;
    position: relative;
}
.productItem {
    width: 280px;
    margin: 0 10px;
    box-shadow: 0px 0px 15px 0px rgba(85, 85, 85, 0.18);
    height: 520px;
    border-radius: 10px;
    border: 1px solid #eee;
    display: block;
    float: left;
    position: relative;
    padding: 0 0px;
}
.buyIcon {
    height: 25px;
    width: 25px;
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
}
.productName {
    margin-top: 47px;
    cursor: default;
    position: relative;
    width: 100%;
    height: 24px;
    font-family: NotoSansHans-bold;
    font-weight: bold;
    font-size: 24px;
    /*font-weight: normal;*/
    /*font-stretch: normal;*/
    line-height: 24px;
    cursor: pointer;
    letter-spacing: 1px;
    color: #212121;
}
.productPrice {
    cursor: default;
    /*font-size: 18px;*/
    /* font-weight:bold; */
    /*line-height: 35px;*/
    margin-top: 23px;
    position: relative;
    width: 100%;
    height: 18px;
    cursor: pointer;
    font-family: NotoSansHans-Medium;
    font-size: 20px;
    /*font-weight: normal;*/
    /*font-stretch: normal;*/
    line-height: 18px;
    /*letter-spacing: 0px;*/
    color: #212121;
}
.productIntro {
    margin-top:28px;
    cursor: default;
    width: 100%;
    height: auto;
    padding-left: 15px;
    position: relative;
    word-wrap: break-word;
    white-space：normal;
    text-align: left;
    cursor: pointer;
    font-size: 14px!important;
    line-height: 24px;
    color: #666666;
    padding-bottom: 20px;
}
.productImg {
    /* margin-top:8px; */
    width: 220px;
    height: 210px;
    margin: 4px auto 0 auto;
    /* border:1px solid red; */
}
.productImg img {
    height: 100%;
    width: 100%;
}
.topBanner {
    width: 100%;
    height: auto;
}
.topBanner img {
    width: 100%;
    height: auto;
}
.partTitle {
    /* height: 58px;
    width: auto;
    margin: 0 auto;
    display: inline-block; */
    display: flex;
    flex-direction: column;
}

.partTitle .dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background-color: #666666;
}

.textDecoration {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 7em;
    margin: auto;
    margin-top: 6px;
    margin-bottom: 14px;
    font-size: 24px;
    display: none;
}

.name_ch {
    font-size: 28px;
    color: #212121;
    font-weight: normal;
    margin-bottom: 10px;
}
.name_en {
    font-size: 14px;
    color: #666666;
}

.partTitle .line {
    display: inline-block;
    width: 6em;
    height: 2px;
    background-color: #666666;
}
.partTitle img {
    height: 100%;
    width: auto;
}
.productBg {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
}
/*}*/
.productInfo {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 1180px;
    margin: auto;
    margin-top: 36px;
}
.productInfo > div:first-child {
    font-size: 18px;
    color: #212121;
}

.productInfo > div:last-child {
    font-size: 16px;
    color: #1b7af8;
    cursor: pointer;
    position: absolute;
    right: 0;
}
.select_model{
    width: 42px;
    height: 0px;
    font-size: 14px;
    font-weight: normal;
    color: #AAAAAA;
    line-height: 25px;
    margin-left: 15px;
}
.picDisplay {
    position: fixed;
    width: 100vw;
    height: 100vh;
    left: 0;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 701;
}

.picDisplay .shader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.65);
}
.picDisplay img {
    position: absolute;
    height: 80%;
}

.optionalProducts {
    width: 1200px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    margin: 30px auto 0;
}
.optionalProductsItem {
    width: 275px;
    margin-left: 30px;
    cursor: pointer;
    border-radius: 5px;
    background-color: #ffffff;
    box-shadow:0px 0px 20px rgba(7, 19, 140, 0.04);
    overflow: hidden;
    box-sizing: border-box;
    position: relative;
    margin-bottom: 80px;
    padding-bottom: 46px;
    float: left;
}
.optionalProductsItemHeader {
    line-height: 46px;
    text-align: center;
    color: #ffffff;
    font-size: 18px;
    font-weight: normal;
    background-color: #1B7AF8;
    padding:6px 0 20px 0;
}

.optionalProductsItemContent {
    font-size: 18px;
    color: #212121;
    white-space: pre-wrap;
    margin-top: 38px;
    font-weight: lighter;
}
.optionalProductsItemPrice {
    height: 28px;
    font-size: 26px;
    font-weight: normal;
    color: #FFFFFF;
    line-height: 28px;
}



.product .description {
    font-size: 18px;
    color: #212121;
    margin-top: 36px;
}

.productSummary {
    width: 1200px;
    margin: auto;
    background-color: #7A71FC;
    border-radius: 10px;
    padding: 25px 0;
    text-align: center;
    white-space: pre;
    color: #ffffff;
    margin-top: 110px;
}

.productSummaryHeader {
    font-weight: bold;
    font-size: 24px;
    background-color: rgb(133, 169, 242);
}

.productSummaryContent {
    font-size: 18px;
}

.versionCompare {
    width: 280px;
    line-height: 50px;
    border-radius: 6px;
    background-color: #7A71FC;
    margin: auto;
    margin-top: 30px;
    text-align: center;
    cursor: pointer;
    color: #ffffff;
}
.versionCompare:hover {
    background-color: #1b7af8;
}

.gotoLink {
    display: inline-block;
    margin-left: 40px;
    color: #1b7af8;
    font-size: 18px;
    cursor: pointer;
}
.buy_btn {
    margin-top: 10px;
    margin-bottom: 10px;
    display: none;
}
.buy_btn > div span {
    color: #212121;
}
.buy_btn > div:not(:last-child) {
    margin-bottom: 6px;
}
.productBottom {
    font-size: 14px;
    font-weight: normal;
    color: #1B7AF8;
    margin:0 20px 30px 0;
    float: right;
    position: absolute;
    right: 0;
    bottom: 0;
}
.btn {
    display: inline-block;
    text-align: center;
    border-radius: 4px;
    line-height: 34px;
    cursor: pointer;
    padding: 0 10px;
}
.productBtn{
    font-size: 14px;
    padding: 2px 15px;
    letter-spacing: 1px;
    width: 158px;
    height: 42px;
    background: linear-gradient(90deg, #1B7AF8 0%, #37ACFC 100%);
    border-radius: 21px;
    color: #ffffff;
}

.sm-menu {
    position: fixed;
    left: 150px;
    top: 300px;
    text-align: left;
    padding-left: 5px;
    font-size: 14px;
    z-index: 1;
}
.sm-menu li {
    position: relative;
    line-height: 38px;
    border-left: 1px solid #999;
    padding-left: 15px;
    cursor: pointer;
}
.sm-menu.en li { font-size: 12px; }
.sm-menu li .sm-circle {
    width: 10px;
    height: 10px;
    border: 2px solid;
    border-radius: 5px;
    position: absolute;
    top: 14px;
    left: -6px;
    background: #fff;
}
.sm-menu li.active, .sm-menu li:hover { color: #1b7af8; }
.sm-menu li.active .sm-circle, .sm-menu li:hover .sm-circle {border: none;background: #1b7af8;}

.slogan{
    font-size: 15px;
    margin-top: 10px;
}
@media screen and (max-width: 1023px) {
    .sm-menu{
        display: none!important;
    }
    .product{
        width: 100%;
    }
    .optionalProducts{
        width: 100%!important;
    }
    .optionalProductsItem{
        margin-left: 42px;
        width: 300px;
    }
}