body {
    background-color: #FDF9F6;
}

body img {
    display: block;
}

#pageContainer {
    /* 为适配公共下载页顶部推荐栏，增加上内边距 */
    padding-top: 60px;
    flex: 1;
    position: relative;
}

#center {
    margin: 0 auto;
    position: relative;
}

#left {
    position: relative;
}

#right {
    position: relative;
}

.cornerImg {
    position: absolute;
    width: 51px;
    height: 45px;
    z-index: 1;
}

#top_appInfo {
    margin-left: 62px;
    margin-top: 55px;
    width: 224px;
    height: 48px;
}

#top_right_cloud {
    width: 275px;
    height: 119px;
}

#center_main {
    max-width: 1200px;
    position: relative;
    margin: 0 auto;

    border-width: 4px;
    border-color: #000000;
    border-style: solid;
}

#center_header {
    position: relative;
}

#center_header_section1 {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

#center_header_section2 {
    display: flex;
    flex-direction: row;
}

#center_header_appSample {
    width: 558px;
    height: 414px;
}

#center_header_appInfo {
    /* margin-right: 76px;*/
}

#center_header_appTitle {
    width: 522px;
    height: 98px;
    margin-top: 49px;
}

#center_header_appDesc {
    margin-top: 32px;
    color: #333333;
    font-size: 19px;
    font-weight: bold;
    line-height: 26px;
}

#center_header_appDownload {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    margin-top: 37px;
}

#center_header_downloadBanner {
    width: 159px;
}

#center_header_downloadBanner_android {
    width: 159px;
    height: 38px;
}

#center_header_downloadBanner_ios {
    width: 159px;
    height: 38px;
    margin-top: 16px;
}

#center_header_downloadBinaryCode {
    background-color: #B90A3F;
    width: 98px;
    height: 93px;
    margin-left: 36px;
    border-radius: 10%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

#center_header_section3 {
    display: flex;
    flex: 1;
    flex-direction: row;
    justify-content: space-between;
}

#center_header_bottomLeftCloud {
    width: 259px;
    height: 143px;
}

#center_header_bottomRightBird {
    width: 341px;
    height: 264px;
    float: left;
    margin-top: -50px;
    margin-right: -20px;
}

#core_proZeji_container, #core_rewardQA_container, #core_sinologyHall_container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#core_proZeji_title, #core_rewardQA_title, #core_sinologyHall_title {
    width: 246px;
    height: 61px;
}

#core_proZeji_titleContainer, #core_rewardQA_titleContainer, #core_sinologyHall_titleContainer {
    display: flex;
    justify-content: center;
}

#core_proZeji_info, #core_rewardQA_info, #core_sinologyHall_info {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
}

#core_proZeji_appSample, #core_rewardQA_appSample, #core_sinologyHall_appSample {
    width: 204px;
    height: 411px;
    margin-left: 140px;
}

#core_proZeji_desc, #core_rewardQA_desc, #core_sinologyHall_desc {
    width: 483px;
    height: 262px;
    margin-right: 150px;
}

#center_core {
    position: relative;
}

#center_footer {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin-top: 78px;
    height: 520px;
}

#center_footer_cloud {
    position: absolute;
    width: 233px;
    height: 153px;
    left: 0;
    bottom: 0;
}

#center_footer_appInfo_container {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 155px;
}

#center_footer_appBinaryCode {
    background-color: #B90A3F;
    width: 110px;
    height: 104px;
    border-radius: 10%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

#center_footer_text1 {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    line-height: 39px;
    margin-top: 23px;
}

#center_footer_text2 {
    text-align:center;
    font-size: 22px;
    font-weight: bold;
    line-height: 31px;
    margin-top: 1px;
}

#center_footer_bird {
    position: absolute;
    width: 331px;
    height: 574px;
    right: 0;
    bottom: 0;
}