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rgba(26,26,26,.08);box-shadow:0 -4px 20px rgba(0,0,0,.08);padding:.65rem 1rem calc(.65rem + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .3s cubic-bezier(.16,1,.3,1)}.mobile-sticky-buy-bar.visible{transform:translateY(0)}.mobile-sticky-buy-inner{display:flex;align-items:center;justify-content:space-between;gap:.85rem;max-width:600px;margin:0 auto}.mobile-sticky-buy-info{display:flex;flex-direction:column;overflow:hidden}.mobile-sticky-buy-title{font-size:.825rem;font-weight:500;color:var(--ink-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.25}.mobile-sticky-buy-price{font-size:.925rem;font-weight:700;color:var(--qinghua-deep,#143240)}.mobile-sticky-buy-btn{flex:0 0 auto;font-size:.85rem;padding:.6rem 1.25rem;border-radius:4px;white-space:nowrap;box-shadow:0 4px 12px rgba(26,95,122,.2)}}::-webkit-scrollbar-thumb:hover{background:var(--song-soft)}