:root{--bg: #14100c;--panel: #1d1711;--panel-2: #241c14;--text: #f3ecdf;--muted: #a99e8d;--amber: #ffb454;--teal: #63c7b2;--coral: #ff7a66;--blue: #7fa8d9;--lilac: #d6a3e8;--gold: #e5d06a;--border: rgba(243, 236, 223, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;letter-spacing:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.site-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px clamp(18px,4vw,48px);background:#14100ce0;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{color:var(--amber);font-size:18px;font-weight:800}.nav-links{display:flex;align-items:center;gap:6px}.nav-actions{display:flex;align-items:center;gap:12px}.support-button{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border:none;border-radius:8px;background:var(--amber);color:#201407;font-size:14px;font-weight:600;white-space:nowrap;transition:background .16s ease}.support-button:hover{background:#ffc476}.nav-links a{padding:8px 12px;border-radius:8px;color:var(--muted);font-size:14px;white-space:nowrap}.nav-links a:hover{color:var(--text);background:#ffb4541a}.nav-tool-link{padding:8px 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var(--border);border-radius:8px;background:#1d1711eb;color:var(--text);font-size:15px;font-weight:700;box-shadow:0 8px 28px #00000059;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:border-color .16s ease,color .16s ease}.tool-float-back:hover{border-color:var(--amber);color:var(--amber)}.tool-page-main{max-width:760px;margin:0 auto;padding:80px 24px}.tool-page-main h1{margin:0 0 8px;font-size:clamp(36px,6vw,64px)}.tool-animate{animation:tool-fade-up .5s ease backwards}@keyframes tool-fade-up{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.tool-lead{max-width:640px;margin:14px 0 0;color:var(--muted);font-size:17px;line-height:1.8}.tool-features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:32px 0 8px}.tool-feature{display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.tool-feature svg{color:var(--amber)}.tool-feature 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ease}.page-button:hover:not(:disabled){color:var(--text);border-color:var(--amber)}.page-button.is-active{color:var(--amber);border-color:var(--amber);background:#ffb4541a;font-weight:600}.page-button:disabled{opacity:.4;cursor:not-allowed}.page-ellipsis{padding:0 4px;color:var(--muted)}.work-card{display:flex;flex-direction:column;gap:14px;padding:20px;border:1px solid var(--border);border-radius:8px;background:var(--panel);animation:work-card-in .4s ease backwards;animation-delay:calc(var(--card-index, 0) * 45ms)}@keyframes work-card-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.work-card-link{cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease,box-shadow .16s ease}.work-card-link:hover,.work-card-link:focus-visible{border-color:var(--amber);background:var(--panel-2);transform:translateY(-3px);box-shadow:0 12px 32px #00000047;outline:none}.work-card h3{margin:0;font-size:20px;line-height:1.35}.work-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.work-tag{padding:4px 10px;border:1px solid currentColor;border-radius:999px;font-size:12px;font-weight:700}.work-bpm{color:var(--muted);font-size:12px}.work-open-icon{color:var(--muted);transition:color .16s ease,transform .16s ease}.work-card-link:hover .work-open-icon,.work-card-link:focus-visible .work-open-icon{color:var(--amber);transform:translate(2px)}.work-meta,.work-channel-hint{margin:0;color:var(--muted);font-size:13px}.work-player{display:flex;align-items:center;gap:12px}.work-play{width:44px;height:44px}.work-progress{display:flex;flex:1;flex-direction:column;gap:6px;min-width:0}.work-range{width:100%;accent-color:var(--amber)}.work-progress span{color:var(--muted);font-size:12px}.channel-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}.channel-chip{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);font-size:12px;transition:color .16s ease,border-color .16s ease,background .16s ease}.channel-chip:hover{color:var(--text);border-color:var(--muted)}.channel-chip.is-active{color:var(--teal);border-color:var(--teal);background:#63c7b21f}.channel-loading{color:var(--muted);font-size:12px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#0a08068c;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);animation:modal-backdrop-in .22s ease both}@keyframes modal-backdrop-in{0%{opacity:0}to{opacity:1}}.work-modal{width:min(1120px,100%);max-height:calc(100vh - 48px);display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:#1d1711f5;box-shadow:0 24px 80px #00000080;animation:modal-in .28s cubic-bezier(.2,.8,.2,1) both}@keyframes modal-in{0%{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px;border-bottom:1px solid var(--border)}.modal-title h2{margin:10px 0 0;font-size:22px;line-height:1.3}.support-modal{width:min(520px,100%)}.support-body{display:flex;flex-direction:column;gap:18px;padding:22px}.support-copy{display:flex;align-items:flex-start;gap:12px;color:var(--muted)}.support-copy svg{flex:none;color:var(--amber)}.support-copy p{margin:0;font-size:14px;line-height:1.8}.support-methods{display:grid;grid-template-columns:1fr 1fr;gap:10px}.support-method{padding:14px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--text);font-size:15px;font-weight:600;transition:color .16s ease,border-color .16s ease,background .16s ease}.support-method:hover{border-color:var(--muted)}.support-method.is-active{color:var(--amber);border-color:var(--amber);background:#ffb4541f}.support-payment{min-height:460px;display:flex;align-items:center;justify-content:center;padding:16px;border:1px solid var(--border);border-radius:8px;background:#15110d}.support-qr{width:min(440px,100%);height:auto;border-radius:8px}.support-hint{color:var(--muted);font-size:13px}.support-error{display:flex;align-items:center;gap:8px;color:var(--coral);font-size:13px}.support-placeholder{flex-direction:column;gap:10px;color:var(--muted);font-size:13px}.modal-close{flex:none}.modal-loading{min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted)}.modal-body{display:grid;grid-template-columns:260px minmax(0,1fr);gap:18px;padding:18px 22px 22px;overflow:auto}.modal-sidebar{display:flex;flex-direction:column;gap:16px}.modal-meta{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.modal-block{display:flex;flex-direction:column;gap:8px}.modal-label{color:var(--muted);font-size:12px;font-weight:600}.modal-main{display:flex;flex-direction:column;gap:14px;min-width:0}.piano-roll-wrap{overflow:hidden;border:1px solid var(--border);border-radius:8px;background:#15110d}.piano-roll-canvas{display:block;width:100%;height:320px;cursor:crosshair;touch-action:none}.modal-transport{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.modal-seek{flex:1;min-width:220px}.work-play:disabled{opacity:.5;cursor:not-allowed}.mini-player{position:fixed;left:50%;bottom:18px;z-index:90;width:min(760px,calc(100% - 32px));transform:translate(-50%);display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#1d1711f2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 12px 40px #00000073;animation:mini-in .28s ease both}@keyframes mini-in{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}.mini-avatar{width:48px;height:48px;flex:none;display:flex;align-items:center;justify-content:center;border:none;border-radius:8px;background:var(--amber);color:#201407}.mini-avatar:hover{background:#ffc476}.mini-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.mini-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600}.mini-seek{display:flex;flex-direction:column;gap:2px}.mini-seek span{color:var(--muted);font-size:11px}.mini-actions{display:flex;align-items:center;gap:6px;flex:none}.mini-play{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:var(--amber);color:#201407}.mini-play:disabled{opacity:.5;cursor:not-allowed}.mini-midi,.mini-stop{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted)}.mini-midi:hover,.mini-stop:hover{color:var(--text);border-color:var(--muted)}.mini-midi.is-active{color:var(--teal);border-color:var(--teal);background:#63c7b21f}.work-download{align-self:flex-start}.mode-switch{display:flex;gap:6px;flex-wrap:wrap}.mode-button{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);font-size:13px;transition:color .16s ease,border-color .16s ease,background .16s ease}.mode-button:hover{color:var(--text);border-color:var(--muted)}.mode-button.is-active{color:var(--amber);border-color:var(--amber);background:#ffb4541a}.midi-panel{min-height:44px;display:flex;align-items:center}.midi-hint{color:var(--muted);font-size:13px}.midi-select{display:flex;align-items:center;gap:8px;width:100%;color:var(--muted);font-size:13px}.midi-select select{flex:1;min-width:0;padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:13px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.studio{max-width:1180px;margin:0 auto;padding:88px 24px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}.section-kicker{margin:0 0 8px;color:var(--amber);font-size:12px;font-weight:700}.section-head h2{margin:0;font-size:clamp(28px,4vw,40px)}.section-head-light .section-kicker{color:var(--teal)}.file-actions{display:flex;gap:10px;flex-wrap:wrap}.alert{margin-bottom:20px;padding:12px 16px;border:1px solid rgba(255,122,102,.5);border-radius:8px;background:#ff7a661f;color:#ffb3a5;font-size:14px}.drop-zone{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px;border:1.5px dashed rgba(243,236,223,.28);border-radius:8px;background:#1d171180;text-align:center;cursor:pointer;transition:border-color .16s ease,background .16s ease}.drop-zone:hover,.drop-zone.is-drag{border-color:var(--amber);background:#ffb4540f}.drop-zone-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#ffb4541f;color:var(--amber)}.drop-zone p{margin:8px 0 0;font-size:18px;font-weight:600}.drop-zone span{color:var(--muted);font-size:13px}.song-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}.song-name{display:block;font-size:20px;font-weight:700}.song-meta{display:block;margin-top:6px;color:var(--muted);font-size:13px}.studio-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;align-items:start}.track-panel,.player-panel{padding:16px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.track-panel{position:sticky;top:80px;max-height:calc(100vh - 110px);overflow:auto}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.panel-title h3{margin:0;font-size:15px}.panel-title span{color:var(--muted);font-size:13px}.track-list{display:flex;flex-direction:column;gap:10px}.track-row{padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2)}.track-row.is-muted{opacity:.55}.track-top{display:flex;align-items:center;gap:8px}.track-dot{width:10px;height:10px;flex:none;border-radius:50%}.track-name-input{flex:1;min-width:0;padding:6px 8px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text);font-size:14px}.track-name-input:hover,.track-name-input:focus{border-color:var(--border);outline:none;background:#0000002e}.track-buttons{display:flex;gap:6px;flex:none}.track-controls{display:flex;align-items:center;gap:10px;margin-top:10px}.select{flex:0 0 128px;min-width:0;padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:13px}.track-volume{flex:1;display:flex;align-items:center;gap:8px;min-width:0}.track-volume input[type=range]{flex:1;min-width:0}.track-volume span{width:42px;flex:none;color:var(--muted);font-size:12px;text-align:right}.track-stats{margin-top:8px;color:var(--muted);font-size:12px}.player-panel{display:flex;flex-direction:column;gap:16px;min-width:0}.transport{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.seek-wrap{flex:1;min-width:220px}input[type=range]{width:100%;accent-color:var(--amber)}.time-row{display:flex;justify-content:space-between;margin-top:4px;color:var(--muted);font-size:12px}.volume-control{width:150px;display:flex;align-items:center;gap:8px;color:var(--muted)}.adjust-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.adjust-item{display:grid;grid-template-columns:80px minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2)}.adjust-item span{color:var(--muted);font-size:13px}.adjust-item output{min-width:64px;color:var(--amber);font-size:13px;font-weight:600;text-align:right}.piano-roll{overflow:hidden;border:1px solid var(--border);border-radius:8px;background:#15110d}.piano-roll-canvas{display:block;width:100%;height:248px;cursor:pointer;touch-action:none}.piano-roll-legend{display:flex;flex-wrap:wrap;gap:14px;padding:10px 12px;border-top:1px solid var(--border);background:var(--panel-2);color:var(--muted);font-size:12px}.piano-roll-legend span{display:inline-flex;align-items:center;gap:6px}.piano-roll-legend i{width:8px;height:8px;display:inline-block;border-radius:2px}.export-row{display:flex;gap:10px;flex-wrap:wrap}.about{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#1c1711}.about>.section-head{max-width:1180px;margin-right:auto;margin-left:auto;padding-top:72px}.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start;max-width:1180px;margin:0 auto;padding:0 24px 80px}.about-copy p{margin:0 0 14px;color:#cfc5b4;font-size:16px;line-height:1.8}.about-card{display:flex;flex-direction:column;gap:16px;padding:20px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.about-stat{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}.about-stat svg{flex:none;color:var(--amber)}.about-stat strong{color:var(--text);font-size:18px}.about-link{align-self:flex-start}.site-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:1180px;margin:0 auto;padding:28px 24px;color:var(--muted);font-size:13px}.site-footer span:first-child{color:var(--text)}.footer-tool-link{padding:0;border:none;background:transparent;color:var(--amber);font-size:13px;font-weight:600}.footer-tool-link:hover{text-decoration:underline}@media(max-width:980px){.studio-grid{grid-template-columns:1fr}.track-panel{position:static;max-height:none}}@media(max-width:720px){.hero{min-height:540px}.hero-content{width:min(100% - 32px,1100px)}.hero h1{font-size:52px}.hero-stats{gap:16px}.hero-stats span{font-size:12px}.hero-stats strong{font-size:18px}.adjust-grid,.about-grid{grid-template-columns:1fr}.nav-links a{padding:8px;font-size:13px}.site-nav{flex-wrap:wrap}.nav-actions{flex-wrap:wrap;gap:8px}.support-button{padding:8px 10px;font-size:13px}.studio{padding:64px 16px}.volume-control,.works-search{width:100%}.tool-downloads,.tool-features{grid-template-columns:1fr}}@media(max-width:760px){.works-grid{grid-template-columns:1fr}}@media(max-width:860px){.modal-backdrop{padding:12px}.modal-body{grid-template-columns:1fr}.piano-roll-canvas{height:240px}}@media(max-width:560px){.mini-player{gap:8px;padding:8px 10px}.mini-avatar{width:40px;height:40px}.mini-title{font-size:12px}}