:root{--primary: #2563eb;--primary-d: #1d4ed8;--primary-l: #eff6ff;--primary-m: #dbeafe;--bg: #f6f9ff;--card: #fff;--text: #0f172a;--muted: #64748b;--line: #e2e8f0;--player-h: 76px;--nav-h: 56px;--side-w: 220px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.muted{color:var(--muted)}.spacer{flex:1}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side-w);background:var(--card);border-right:1px solid var(--line);padding:20px 14px;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--primary);padding:0 8px 20px}.brand-m{display:none;padding:0;font-size:17px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;color:var(--muted);margin-bottom:4px}.nav-item:hover{background:var(--primary-l);color:var(--primary)}.nav-item.active{background:var(--primary);color:#fff}.content{margin-left:var(--side-w);min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;height:56px;padding:0 24px;background:#f6f9ffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.user-area{display:flex;align-items:center;gap:8px}.user-name{display:flex;align-items:center;gap:4px;color:var(--muted);margin-right:4px}.main{padding:20px 24px 40px;max-width:1280px}.has-player .main{padding-bottom:calc(var(--player-h) + 32px)}.tabbar{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:9px 18px;background:var(--primary-l);color:var(--primary);transition:.15s}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-d)}.btn.ghost{background:transparent;border-color:var(--line);color:var(--muted)}.btn.ghost:hover{color:var(--primary);border-color:var(--primary)}.btn.small{padding:6px 12px;font-size:13px}.btn.block{width:100%}.btn:disabled{opacity:.6;cursor:default}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:0;border-radius:50%;background:transparent;color:var(--muted);transition:.15s;flex:none}.icon-btn:hover{background:var(--primary-l);color:var(--primary)}.icon-btn.on{color:#ef4444}.error{color:#dc2626;font-size:13px;margin:8px 0}.toast{position:fixed;left:50%;top:70px;transform:translate(-50%);background:#0f172ae0;color:#fff;padding:9px 18px;border-radius:20px;z-index:100;font-size:13px}.searchbar{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 14px;color:var(--muted);max-width:560px}.searchbar:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-m)}.searchbar input{flex:1;border:0;outline:0;background:transparent;padding:8px 0;color:var(--text);min-width:0}.crumbs{margin:16px 0 6px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px}.crumbs a:hover{color:var(--primary)}.crumbs i{margin:0 6px;font-style:normal;color:var(--line)}.folders{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin:14px 0 6px}.folder{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--primary);transition:.15s}.folder:hover{border-color:var(--primary);box-shadow:0 4px 14px #2563eb1f}.folder div{min-width:0;color:var(--text)}.folder b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder small{color:var(--muted)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:20px 0 10px;flex-wrap:wrap}.section-head h3{margin:0;font-size:16px}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.empty{text-align:center;color:var(--muted);padding:50px 0;background:var(--card);border-radius:12px;border:1px dashed var(--line)}.empty .btn{margin-top:10px}.tracks{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}.track{display:grid;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);grid-template-columns:40px minmax(180px,3fr) minmax(80px,1.4fr) 56px 70px 80px 76px 64px 50px 150px}.track:last-child{border-bottom:0}.track:not(.head):hover{background:var(--primary-l)}.track.active{background:var(--primary-m)}.track.active .t-title{color:var(--primary)}.track.head{color:var(--muted);font-size:12px;background:#f8fafc}.t-idx{text-align:center;color:var(--muted)}.t-main{min-width:0;cursor:pointer}.t-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.t-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:12px}.t-sub-m{display:none}.t-col{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.t-actions{display:flex;justify-content:flex-end}.eq{display:inline-flex;gap:2px;align-items:flex-end;height:14px}.eq i{width:3px;background:var(--primary);animation:eq .9s infinite ease-in-out}.eq i:nth-child(1){height:60%}.eq i:nth-child(2){height:100%;animation-delay:.2s}.eq i:nth-child(3){height:40%;animation-delay:.4s}@keyframes eq{50%{transform:scaleY(.35)}}.track.head .t-actions{visibility:hidden}.player{position:fixed;left:var(--side-w);right:0;bottom:0;height:var(--player-h);z-index:30;background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;gap:16px;padding:0 20px}.p-info{display:flex;align-items:center;gap:12px;min-width:0}.p-cover{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,#60a5fa,#1d4ed8);color:#fff;display:grid;place-items:center;flex:none}.p-text{min-width:0;flex:1}.p-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.p-artist{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.p-center{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:0}.p-ctrl{display:flex;align-items:center;gap:10px}.play-btn{width:44px;height:44px;border-radius:50%;border:0;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:0 4px 12px #2563eb59}.play-btn:hover{background:var(--primary-d)}.p-bar{display:flex;align-items:center;gap:10px;width:100%;max-width:640px}.time{font-size:12px;color:var(--muted);min-width:40px;text-align:center;font-variant-numeric:tabular-nums}.p-right{display:flex;align-items:center;justify-content:flex-end;gap:8px;color:var(--muted)}.range{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:1;height:4px;border-radius:2px;outline:0;cursor:pointer;background:linear-gradient(to right,var(--primary) var(--p, 0%),var(--line) var(--p, 0%));min-width:0}.range.vol{flex:none;width:110px}.range::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--primary);border:0}.range::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--primary);border:0}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:60;display:grid;place-items:center;padding:16px}.modal{position:relative;width:100%;max-width:360px;background:#fff;border-radius:16px;padding:28px 24px 24px;text-align:center;box-shadow:0 20px 50px #0003}.modal h2{margin:8px 0 2px;color:var(--primary)}.modal p{margin:0 0 14px}.modal input{width:100%;padding:11px 14px;margin-bottom:10px;border:1px solid var(--line);border-radius:10px;outline:0}.modal input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-m)}.modal-close{position:absolute;right:10px;top:10px}.tabs{display:flex;background:var(--primary-l);border-radius:10px;padding:4px;margin-bottom:14px}.tabs button{flex:1;border:0;background:transparent;padding:7px;border-radius:8px;color:var(--muted)}.tabs button.on{background:#fff;color:var(--primary);font-weight:600;box-shadow:0 1px 4px #00000014}@media (max-width: 1180px){.track{grid-template-columns:40px minmax(160px,3fr) minmax(80px,1.4fr) 56px 76px 64px 50px 150px}.t-ch,.t-sr,.p-right{display:none}.player{grid-template-columns:1fr 2fr}}@media (max-width: 900px){.track{grid-template-columns:28px 1fr auto;padding:8px 10px}.track.head,.t-col{display:none}.t-sub-m{display:inline}.t-idx{font-size:12px}.t-actions .icon-btn{width:32px;height:32px}}@media (max-width: 767px){:root{--player-h: 92px}.sidebar{display:none}.content{margin-left:0}.brand-m{display:flex}.topbar{padding:0 14px}.user-name{display:none}.main{padding:14px 12px 24px}.has-player .main{padding-bottom:calc(var(--player-h) + var(--nav-h) + 24px + env(safe-area-inset-bottom))}.main{padding-bottom:calc(var(--nav-h) + 24px + env(safe-area-inset-bottom))}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;background:#fff;border-top:1px solid var(--line);height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted)}.tab.active{color:var(--primary)}.player{left:0;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));height:var(--player-h);padding:8px 12px;grid-template-columns:1fr auto;grid-template-areas:"info ctrl" "bar bar";gap:4px 8px}.p-info{grid-area:info}.p-center{display:contents}.p-ctrl{grid-area:ctrl;gap:2px}.p-bar{grid-area:bar;max-width:none}.p-queue,.p-fav{display:none}.p-cover,.play-btn{width:40px;height:40px}.folders{grid-template-columns:repeat(2,1fr);gap:8px}.folder{padding:10px;gap:8px}.searchbar{max-width:none}}