a {
    color: #999;
}

.bg-header{
    height: -webkit-calc(100vh - 235px);
    -moz-calc(100vh - 400px);
    height: calc(100vh - 400px);
    background-image: url("../img/bg_header.jpg");
}
.download-box {
    width: 433px;
    text-align: center;
    background: rgba(240,240,240,.7);
    margin: 0 auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    border-radius: 6px;
    z-index: 2;
}
.download-box .header {
    height: 117px;
    position: relative;
    top: 0;
    left: 0;
}
.download-form {
    display: flex;
}
.search-shadow {
    flex: 1;
}
.search-input {
    font-size: 12px;
    display: block;
    width: 100%;
    height: 35px;
    border: none;
    color: #333;
    border-radius: 3px 0 0 3px;
    padding: 0 10px;
    background-color: rgba(255,255,255,.7);
}
.download-btn {
    font-size: 12px;
    height: 35px;
    width: 44px;
    line-height: 35px;
    border: 0;
    border-radius: 0 3px 3px 0;
    padding: 8px 0;
    text-align: center;
    background-color: #434343;
}
.head-img {
    position: absolute;
    top: 50%;
    left: 50%;
    background-image: url(../img/download_img.png);
    background-size: 100% 100%;
    width: 64px;
    height: 64px;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
}
.icon-download {
    background: url(../img/search_icon.svg) no-repeat;
    width: 16px;
    height: 16px;
    z-index: 1;
    margin: 0 auto;
}
.song-info-box {
    display: none;
    width: 380px;
    height: 120px;
    margin: 0 auto;
    margin-top: 10px;
}
.song-cover {
    width: 120px;
    height: 120px;
    background-repeat:no-repeat;
    background-size:100% 100%;
    -moz-background-size:100% 100%;
    float: left;
}
.song-name {
    float: right;
    font-size: 22px;
    font-weight: 800;
    padding: 0 10px;
    width: 260px;
}
.song-worker {
    float: right;
    width: 260px;
    line-height: 30px;
    color: #999;
    padding: 0 10px;
    height: 30px;
    margin-top: 15px;
}
.song-copyright {
    float: right;
    width: 260px;
    line-height: 20px;
    color: #999;
    padding: 0 10px;
    height: 20px;
    margin-top: 10px;
}
.song-worker img {
    height: 14px;
    width: 14px;
}
.download-step {
    width: 80%;
    margin: 0 auto;
    text-align: left;
}
.download-step span{
    display: block;
}
.feedback {
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    margin: 0 auto;
    left: 50%;
    top: 75%;
    position: absolute;
}