#main-content {
    background-color: rgb(240,241,242);
}
.top-bar-outer {
    width: 100%;
    min-width: 1200px;
    margin-top: 25px;
}
.top-bar-inner {
    margin: 0 auto;
    height: 100%;
    width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.top-bar-inner h1 {
    font-size: 28px;
    color: rgb(0,0,0,0.85);
}

.main-box-outer {
    background-color: rgb(240,241,242);
    width: 100%;
    min-width: 1200px;
    min-height: 80vh;
    padding-bottom: 70px;
}
.main-box-inner {
    width: 1200px;
    margin: 0 auto;
    height: 100%;
    background-color: rgb(240,241,242);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-top: 15px;
}

/* left-bar-css */
.download-left {
    width: 288px;
    background-color: white;
    padding-top: 30px;
    padding-bottom: 20px;
}
.download-left * {
    font-size: 14px;
    color: rgba(59, 62, 64, 0.9);
}
.download-left-level1, .download-left-level2, .download-left-level3 {
    cursor: pointer;
    line-height: 3.3;
    padding-left: 22px;
}
.download-left-level1, .download-left-level2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-right: 25px;
}
.download-left-level1 img, 
.download-left-level2 img,
.download-left-level3 img {
    transition: transform 0.2s;
}
.selected-item {
    border-right: 2px solid rgb(35,37,38);
    background-color: rgb(247,249,250);
}
.download-left-level2 {
    padding-left: 44px;
}
.download-left-level3 {
    padding-left: 75px;
}
.download-left-level1:hover, 
.download-left-level2:hover,
.download-left-level3:hover {
    background-color: rgb(247,249,250);
}
.dowoload-left-item a {
    width: 100%;
    display: flex;
    align-items: center;
}
.download-left-level1-list,
.download-left-level2-list {
    display: none;
}
.rotate180 {
    transform: rotate(180deg);
}
.rotate360 {
    transform: rotate(360deg);
}

/* app-css */
.download-right {
    width: 895px;
    min-height: 30vh;
    background-color: white;
    padding: 45px 55px 60px 48px;
}
.download-right * {
    font-size: 16px;
    color: rgba(59, 62, 64, 0.85);
}
.ruko-app-list {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    flex-wrap: wrap;
    width: 100%;
    margin-top: 35px;
}
.ruko-app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 32%;
    height: 310px;
    padding-top: 30px;
    padding-left: 20px;
    padding-right: 15px;
}
.ruko-app-item img {
    border-radius: 12px;
}
.ruko-app-item:hover {
    background-color: rgb(247,249,250);
}
.ruko-app-item:not(:nth-child(3n)) {
    margin-right: 15px;
}
.app-item-title {
    height: 50px;
    line-height: 50px;
    font-weight: 500;
}
.app-item-title, .app-support-product {
    font-weight: bold;
}
.app-item-desc, .app-support-product {
    width: 100%;
    overflow: hidden;
    font-size: 14px;
    text-align: left;
    line-height: 1.6;
    display:-webkit-box;
    -webkit-line-clamp:5;
    -webkit-box-orient:vertical;
    overflow:hidden;
    text-align: center;
}

.app-info-box {
    width: 100%;
    height: 128px;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    
}
.app-info-box img {
    margin-right: 22px;
    border-radius: 10px;
}
.app-info-right h2 {
    font-size: 28px;
    font-weight: normal;
    color: rgba(59, 62, 64, 0.95);
}
.app-info-right-desc {
    font-size: 15px;
    color: rgba(59, 62, 64, 0.8);
    line-height: 24px;
    margin-top: 2px;
}
.app-download-box {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 135px;;
    margin-top: 20px;;
}
.app-download-item {
    width: 22%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}
.app-download-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.app-download-item h3 {
    font-size: 16px;
    color: rgb(0,0,0,0.85);
    font-weight: normal;
}
h3.app-version {
    line-height: 50px;
}
span.system-version, span.qrcode-desc {
    font-size: 12px;
    color: rgba(0,0,0,0.85);
    text-align: center;
    display: inline-block;
    height: 30px;
    line-height: 1.4;
    margin-top: 5px;
}
.app-detail {
    margin-top: 25px;
}
.app-detail .app-detail-title {
    font-weight: normal;
    font-size: 16px;color: rgba(0,0,0,0.75);
    margin-bottom: 20px;
}
.app-detail div{
    color: rgba(0,0,0,0.60);
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 10px;
    line-height: 1.7;
}

/* product-css */
.product-app h2 {
    font-size: 22px;
    font-weight: 400;
    color:rgba(0,0,0,0.95);
}
.product-app .app-download-box {
    margin-top: 0;
}

.product-pdf h2 {
    font-size: 22px;
    font-weight: 400;
    color: rgba(0,0,0,0.9);
}
ul.pdf-list {
    width: 100%;
}
li.pdf-item {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 15px;
    padding-right: 15px;
}
li.pdf-item:nth-child(2n-1) {
    background-color: rgb(247,249,250);
}
.pdf-name {
    width: 45%;
    color: rgba(0,0,0,0.85);
}
.pdf-update-time {
    width: 30%;
    color: rgba(0,0,0,0.6);
}
.pdf-link {
    width: 25%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.pdf-link * {
    color: rgb(24,164,245);
    font-size: 16px;
}
.download-icon {
    height: 16px;
    width: 16px;
    background-image: url('/images/download-center/download.svg');
    background-size: 100% 100%;
}

.product-pdf h2 {
    font-size: 22px;
    font-weight: 400;
    color: rgba(0,0,0,0.9);
}
ul.pdf-list {
    width: 100%;
}
li.pdf-item {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 15px;
    padding-right: 15px;
}
li.pdf-item:nth-child(2n-1) {
    background-color: rgb(247,249,250);
}
.pdf-name {
    width: 45%;
    color: rgba(0,0,0,0.85);
}
.pdf-update-time {
    width: 30%;
    color: rgba(0,0,0,0.6);
}
.pdf-link {
    width: 25%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.pdf-link * {
    color: rgb(24,164,245);
    font-size: 16px;
}
.download-icon {
    height: 16px;
    width: 16px;
    background-image: url('/images/download-center/download.svg');
    background-size: 100% 100%;
}