/* 汇必通官网全站背景音乐浮动控制器 - 蓝渐变主题 */
.music-fab{position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,#3a9ab8,#0e5068);box-shadow:0 6px 24px rgba(7,59,80,.35);border:none;cursor:pointer;z-index:9999;display:flex;align-items:center;justify-content:center;color:#fff;transition:transform .25s,box-shadow .25s;backdrop-filter:blur(6px)}
.music-fab:hover{transform:scale(1.08);box-shadow:0 8px 30px rgba(7,59,80,.45)}
.music-fab .mf-note{font-size:24px;line-height:1;font-family:'Apple Color Emoji','Segoe UI Emoji',sans-serif}
.music-fab .mf-bars{display:none;gap:3px;align-items:flex-end;height:18px}
.music-fab .mf-bars span{display:block;width:3px;background:#fff;border-radius:2px;height:10px;animation:mfBar 1s ease-in-out infinite}
.music-fab .mf-bars span:nth-child(2){animation-delay:.2s;height:16px}
.music-fab .mf-bars span:nth-child(3){animation-delay:.4s;height:13px}
.music-fab.playing .mf-bars{display:flex}
.music-fab.playing .mf-note{display:none}
@keyframes mfBar{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}
.music-fab-tip{position:fixed;right:86px;bottom:30px;background:rgba(7,59,80,.92);color:#fff;font-size:12px;padding:6px 12px;border-radius:14px;z-index:9998;white-space:nowrap;box-shadow:0 4px 16px rgba(0,0,0,.2);opacity:0;transform:translateX(8px);transition:opacity .3s,transform .3s;pointer-events:none}
.music-fab-tip.show{opacity:1;transform:translateX(0)}
@media(max-width:768px){.music-fab{width:48px;height:48px;right:16px;bottom:16px}.music-fab .mf-note{font-size:20px}.music-fab-tip{right:72px;bottom:26px}}