:root{--ty-blue: #66CCFF;--ty-blue-glow: rgba(102, 204, 255, .4);--glass: rgba(15, 23, 42, .8);--glass-border: rgba(255, 255, 255, .1);--text-main: #f8fafc;--text-dim: #94a3b8}body{margin:0;background:#020617;color:var(--text-main);font-family:PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}.app-container{max-width:480px;margin:0 auto;height:100vh;position:relative;display:flex;flex-direction:column;box-shadow:0 0 100px #000c;background:#020617}.background-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;overflow:hidden}.bg-img{width:100%;height:100%;object-fit:cover;filter:brightness(.4) blur(2px);transform:scale(1.1)}.bg-fallback{width:100%;height:100%;background:linear-gradient(135deg,#0f172a,#1e1b4b)}.bg-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 30%,rgba(102,204,255,.1),transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.glass-header{padding:20px;display:flex;justify-content:space-between;align-items:center;z-index:10;flex-shrink:0}.brand-info{display:flex;align-items:center;gap:12px}.logo-circle{background:var(--ty-blue);color:#020617;padding:8px;border-radius:12px;box-shadow:0 0 20px var(--ty-blue-glow)}.brand-info h1{font-size:1.1rem;margin:0;font-weight:800;letter-spacing:.5px}.cloud-status{display:flex;align-items:center;gap:4px;font-size:.65rem;color:var(--ty-blue);margin-top:2px;font-weight:600}.reset-btn{background:#ffffff0d;border:1px solid var(--glass-border);color:#fff;padding:10px;border-radius:50%;cursor:pointer;transition:.3s}.reset-btn:hover{background:var(--ty-blue);color:#020617;transform:rotate(180deg)}.content-area{flex:1;overflow:hidden;padding:0 16px 16px;position:relative;display:flex;flex-direction:column}.view-wrapper{height:100%;display:flex;flex-direction:column;overflow:hidden}.browse-view{height:100%;overflow-y:auto;padding-right:4px}.section-title{display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--ty-blue);font-size:.8rem;font-weight:700;text-transform:uppercase}.main-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:28px;padding:24px;cursor:pointer;transition:.4s cubic-bezier(.23,1,.32,1);display:flex;flex-direction:column;align-items:center;text-align:center}.main-card:hover{transform:translateY(-5px);border-color:var(--ty-blue);box-shadow:0 15px 30px #0000004d}.card-visual{position:relative;margin-bottom:20px}.rotating-disc{color:var(--ty-blue);filter:drop-shadow(0 0 15px var(--ty-blue-glow));animation:spin 10s linear infinite}.play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:.3s}.main-card:hover .play-overlay{opacity:1;transform:scale(1.1)}.card-content h3{margin:0;font-size:1.2rem}.card-content p{color:var(--text-dim);font-size:.8rem;margin:8px 0 12px}.tag{display:inline-block;padding:4px 12px;background:#66ccff1a;color:var(--ty-blue);border-radius:20px;font-size:.7rem;font-weight:700}.list-view{height:100%;display:flex;flex-direction:column;overflow:hidden}.list-header{display:flex;align-items:center;gap:16px;margin-bottom:20px;flex-shrink:0}.back-btn{background:var(--glass);border:1px solid var(--glass-border);color:#fff;padding:8px;border-radius:12px;cursor:pointer}.list-title h2{margin:0;font-size:1.2rem;font-weight:800}.list-title span{font-size:.75rem;color:var(--ty-blue);font-weight:600}.search-box{position:relative;margin-bottom:16px;flex-shrink:0}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-dim)}.search-box input{width:100%;background:#ffffff0d;border:1px solid var(--glass-border);padding:12px 12px 12px 42px;border-radius:14px;color:#fff;outline:none;box-sizing:border-box;transition:.3s}.search-box input:focus{border-color:var(--ty-blue);background:#ffffff1a}.scroll-container{flex:1;overflow-y:auto;padding-right:8px;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin;scrollbar-color:var(--ty-blue) transparent;scroll-behavior:smooth}.scroll-container::-webkit-scrollbar{width:6px}.scroll-container::-webkit-scrollbar-track{background:#ffffff05;border-radius:10px}.scroll-container::-webkit-scrollbar-thumb{background:var(--ty-blue);border-radius:10px;box-shadow:0 0 8px var(--ty-blue-glow)}.song-item{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff08;border-radius:16px;border:1px solid transparent;transition:.2s;flex-shrink:0}.song-item:hover{background:#ffffff12;border-color:var(--ty-blue)}.order-actions{display:flex;flex-direction:column;gap:4px}.order-actions button{background:#ffffff0d;border:none;color:var(--text-dim);padding:3px;border-radius:4px;cursor:pointer;transition:.2s}.order-actions button:hover:not(:disabled){background:var(--ty-blue);color:#020617}.order-actions button:disabled{opacity:.1;cursor:not-allowed}.song-info{flex:1;min-width:0;cursor:pointer}.song-info h4{margin:0;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-info p{margin:4px 0 0;font-size:.7rem;color:var(--text-dim)}.play-btn{background:var(--ty-blue);color:#020617;border:none;padding:6px 12px;border-radius:10px;font-size:.7rem;font-weight:800;display:flex;align-items:center;gap:4px;cursor:pointer}.loading-view{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--ty-blue)}.empty-state{padding:60px 0;text-align:center;color:var(--text-dim);display:flex;flex-direction:column;align-items:center;gap:12px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ty-blue);color:#020617;padding:10px 20px;border-radius:50px;display:flex;align-items:center;gap:8px;font-weight:800;z-index:100;font-size:.8rem;box-shadow:0 10px 20px #0000004d}