.line {
    margin-bottom: 25px;
}
.app_header {
    width: 100%;
    /*background: linear-gradient(to top, #fb7299 0%, #fecfef 99%, #fecfef 100%);*/
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column; 
    height: 100vh;
    position: relative;
    z-index: 10;
    background: url("../img/back.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
}

.app_header img {
    width: 85px;
    height: 85px;
    padding: 15px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0px 0px 0px #fff;
    /* animation: breathe 1.5s ease infinite alternate; */
    margin-top: -100px;
    margin-bottom: 20px;
}
.slide {
    position: absolute;
    bottom: 50px;
    color: #ddd7d7;
    text-align: center;
    animation: slide 0.8s ease infinite alternate;
}
.slide p {
    font-size: 12px;
    margin-bottom: 5px;
} 
.slide i {
    font-size: 20px;
}

@keyframes slide {
    0% {
	    bottom: 50px;
    }
    100% {
        bottom: 30px;
    }
}

@keyframes breathe {
	0% {
	    box-shadow: 0px 0px 0px #fff;
    }
    100% {
        box-shadow: 0px 20px 70px #fff;
    }
}
.app_header .app_title {
    font-size: 28px;
    color: #fff;
    margin-bottom: 5px;
    margin-top: 15px;
}
.app_header span {
    font-size: 12px;
    color: #ddd7d7;
    margin-bottom: 5px;
}
.app_download {
    background: #ececec;
    padding-top: 60px;
    padding-bottom: 40px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.down_button {
    padding: 13px 40px;
    background: linear-gradient(45deg, #fb7299 0%, #fecfef 99%, #fecfef 100%);
    margin-bottom: 30px;
    color: #fff;
    border-radius: 22px;
}
.down_button i {
    font-size: 18px;
}
#down_code {
    width: 120px;
    height: 120px;
    user-select: all;
}
.app_download p {
    font-size: 12px;
    margin-top: 13px;
    color: #c0c0c0;
    user-select: none;
}
.app_content {
    padding: 30px 15px;
    padding-bottom: 70px;
}
.app_content .title {
    font-size: 20px;
    margin-bottom: 10px;
    color: #4c4c50;
    font-weight: 600;
}
.screenshot {
    display: flex;
    overflow-x: scroll;
}
.screenshot li {
    width: 230px;
    flex-shrink: 0;
    margin-right: 5px;
}
.screenshot li img {
    width: 100%;
}

.update li,
.introduction li,
.detailed li {
    font-size: 14px;
    color: #636366;
    margin-bottom: 4px;
    line-height: 20px;
}
.update_tips {
    margin-bottom: 10px !important;
}
.h5_version {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 68px;
    background: #fff;
    z-index: 9;
    display: flex;
    justify-content: space-between;
    padding: 5px 20px;
    box-sizing: border-box;
    border-top: 1px solid #e6e6e6;
    align-items: center;
}
.h5_version_l {
    display: flex;
}
.h5_version_l img {
    width: 40px;
    height: 40px;
    margin-right: 5px;
}
.l_title p {
    font-size: 18px;
    color: #333;  
  }
.l_title span {
  font-size: 13px;
  color: #8E9198;  
}
.h5_version_r {
    background: linear-gradient(45deg, #fb7299 0%, #fecfef 99%, #fecfef 100%);
    color: #fff;
    padding: 9px 25px;
    font-size: 14px;
    border-radius: 4px;
}