.sm-song {
    display: grid;
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 28px;
    background: #f4f7ee;
    border: 1px solid #d6dfcd;
    border-radius: 16px;
    color: #193e30;
    box-sizing: border-box;
}
.sm-song-cover img {display: block; width: 100%; height: auto; border-radius: 10px;}
.sm-song-cover audio {display: block; width: 100%; margin: 14px 0 0;}
.sm-song-body {position: relative; align-self: stretch; min-width: 0;}
.sm-song-panel {position: absolute; inset: 0; display: flex; flex-direction: column; padding: 10px 12px; border: 1px solid #d6dfcd; border-radius: 8px; background: #fff;}
.sm-song-toolbar {display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 10px;}
.sm-song .sm-song-toolbar h2 {margin: 0; font-size: 20px; color: #174735;}
.sm-song-follow {font-size: 14px; white-space: nowrap;}
.sm-song-lyrics {
    flex: 1;
    min-height: 0;
    box-sizing: border-box;
    overflow-y: auto;
    scrollbar-gutter: stable;
    font-size: 16px;
    line-height: 2;
    overflow-wrap: anywhere;
}
.sm-song-credit {margin: 0 0 8px; padding: 2px 8px; font-weight: 400;}
.sm-song-lyrics:focus-visible {outline: 2px solid #267956; outline-offset: 3px;}
.sm-lyric-line {padding: 2px 8px; border-radius: 4px;}
.sm-lyric-line[aria-current=true] {background: #e4f2dc; color: #174735; font-weight: 700;}
@media (max-width: 700px) {
    .sm-song {grid-template-columns: minmax(0, 1fr); padding: 20px; gap: 18px; margin: 24px 0;}
    .sm-song-cover {max-width: 340px; width: 100%; margin: auto;}
    .sm-song-panel {position: static; height: clamp(14rem, 42vh, 24rem);}
}
.sm-song {grid-template-columns:minmax(0, 235px) minmax(0, 1fr);margin:24px auto;padding:16px 20px;gap:18px;}
.sm-song-lyrics {line-height:1.5;}
.sm-lyric-line {padding-block:1px;}
.sm-song-cover audio {margin-top:8px;}
@media(max-width:700px){
    .sm-song{grid-template-columns:minmax(0,1fr);}
    .sm-song-cover{max-width:230px;}
    .sm-song-panel{height:13rem;}
}