.music-room{--music-ink:#f7ecd7;--music-ink-soft:#f7ecd79e;--music-moon:#f6cf82;--music-blue:#8fb9dc;--music-walnut:#3b211d;--music-walnut-deep:#1b1012;z-index:100;min-width:320px;min-height:540px;padding:max(12px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));color:var(--music-ink);overscroll-behavior:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:radial-gradient(at 50% -20%,#87a7d547,#0000 47%),radial-gradient(circle at 8% 82%,#74495e2e,#0000 28%),linear-gradient(154deg,#07111f 0%,#101e34 46%,#071221 100%);font-family:Microsoft YaHei,PingFang SC,sans-serif;position:fixed;inset:0;overflow:hidden}.music-room button,.music-room a{-webkit-tap-highlight-color:transparent}.music-room button{font-family:inherit}.music-aurora{filter:blur(24px);pointer-events:none;background:radial-gradient(at 42% 22%,#82b8d81c,#0000 32%),conic-gradient(from 215deg at 50% 20%,#0000,#7696cc14,#0000 28%);position:absolute;inset:-28% -10% 42%}.music-stars{pointer-events:none;position:absolute;inset:0}.music-stars i{background:#ffeec6cc;border-radius:50%;width:3px;height:3px;animation:4.8s ease-in-out infinite piano-star-breathe;position:absolute;box-shadow:0 0 10px #ffe29f94}.music-stars i:first-child{animation-delay:-1.2s;top:8%;left:13%}.music-stars i:nth-child(2){width:2px;height:2px;animation-delay:-3.7s;top:17%;left:29%}.music-stars i:nth-child(3){animation-delay:-2.4s;top:7%;right:18%}.music-stars i:nth-child(4){width:2px;height:2px;animation-delay:-.8s;top:29%;right:7%}.music-stars i:nth-child(5){animation-delay:-4.1s;top:54%;left:5%}.music-stars i:nth-child(6){width:2px;height:2px;animation-delay:-2.9s;top:72%;right:4%}.music-stars i:nth-child(7){width:2px;height:2px;animation-delay:-1.7s;top:86%;left:18%}@keyframes piano-star-breathe{0%,to{opacity:.22;transform:scale(.85)}48%{opacity:.88;transform:scale(1.18)}}.music-topbar{z-index:3;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;width:min(100%,1280px);height:54px;margin:0 auto 8px;display:grid;position:relative}.music-back{color:#f7ecd7b3;letter-spacing:.06em;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#07111f47;border:1px solid #f6e7cd24;border-radius:999px;justify-self:start;align-items:center;gap:8px;min-height:42px;padding:8px 13px 8px 10px;font-size:11px;text-decoration:none;transition:border-color .16s,color .16s,background .16s;display:inline-flex}.music-back:hover{color:var(--music-moon);background:#f6cf8214;border-color:#f6cf826b}.music-back svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px}.music-brand{align-items:center;gap:9px;display:inline-flex}.music-brand .moon-piano-mark{width:42px;height:42px}.music-brand>div{gap:1px;display:grid}.music-brand strong{letter-spacing:.12em;font-family:Songti SC,STSong,serif;font-size:17px;font-weight:650}.music-brand span{color:#f7ecd778;letter-spacing:.3em;font-size:9px}.moon-piano-mark{overflow:visible}.moon-piano-mark .mark-moon{fill:#f6cf82f2;filter:drop-shadow(0 0 9px #f6cf823d)}.moon-piano-mark .mark-keys{fill:#fff9ebe6;stroke:#714b3e;stroke-width:1.3px;stroke-linejoin:round}.moon-piano-mark .mark-black{fill:#2d2632}.music-sound-pill{color:#f7ecd77a;letter-spacing:.06em;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#07111f47;border:1px solid #f6e7cd1f;border-radius:999px;justify-self:end;align-items:center;gap:8px;min-height:36px;padding:7px 11px;font-size:9px;display:inline-flex}.music-sound-pill i{background:#747c8a;border-radius:50%;width:7px;height:7px}.music-sound-pill.state-ready{color:#cde9d9c7}.music-sound-pill.state-ready i{background:#9ac6ac;box-shadow:0 0 9px #9ac6aca6}.music-sound-pill.state-fallback{color:#f6cf82c2}.music-sound-pill.state-fallback i,.music-sound-pill.state-loading i{background:var(--music-moon);box-shadow:0 0 9px #f6cf828c}.piano-cabinet{z-index:2;width:min(100%,1280px);height:calc(100dvh - max(86px, env(safe-area-inset-top) + env(safe-area-inset-bottom) + 70px));isolation:isolate;background:linear-gradient(92deg,#ffffff06,#0000 10%,#ffffff05 31%,#0000 46%,#ffffff05 78%,#0000),repeating-linear-gradient(94deg,#ffe5c304 0 1px,#0000 1px 8px),linear-gradient(165deg,#5a3026 0%,#3c211e 38%,#2b1819 72%,#1c1114 100%);border:1px solid #f6dbac38;border-radius:28px 28px 36px 36px;flex-direction:column;min-height:474px;margin:0 auto;display:flex;position:relative;overflow:hidden;box-shadow:0 30px 90px #0000007a,0 5px 16px #00000061,inset 0 1px #fff4de30,inset 0 -9px 25px #0000003d}.piano-cabinet:before{content:"";z-index:0;pointer-events:none;background:radial-gradient(at 50% 0,#f6cf8214,#0000 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4px;transition:color .16s,border-color .16s,background .16s,transform .16s;display:grid}.piano-mode-switch button:hover{color:#f7ecd7bf}.piano-mode-switch button.is-selected{color:#ffe6ad;background:linear-gradient(#f6cf8247,#f6cf821c),#3a1f1beb;border-color:#f6cf82b8;transform:translateY(-1px);box-shadow:0 5px 15px #00000042,inset 0 1px #ffeec733,0 0 16px #f6cf8217}.piano-mode-switch button.mode-listen.is-selected{color:#cef;background:linear-gradient(#49a8e557,#2565992e),#112439f2;border-color:#6fccffd1;box-shadow:0 5px 15px #00000042,inset 0 1px #d6f3ff33,0 0 18px #43b4f72e}.piano-mode-switch button.mode-follow.is-selected{color:#ffe8a6;background:linear-gradient(#ffbe335e,#874e0a2e),#361f13f5;border-color:#ffbc2de6;box-shadow:0 5px 15px #00000042,inset 0 1px #fff4c040,0 0 20px #ffb01a33}.mode-icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 5px);width:31px;height:31px}.piano-mode-switch .mode-copy{text-align:center;gap:1px;min-width:0;display:grid}.piano-mode-switch .mode-copy strong{white-space:nowrap;font-family:Songti SC,STSong,serif;font-size:clamp(11px,1.15vw,14px);font-weight:750}.piano-mode-switch .mode-copy>span{letter-spacing:.08em;opacity:.78;font-size:7px}.piano-display{--display-accent:143, 185, 220;border:1px solid rgba(var(--display-accent), .24);background:radial-gradient(circle at 88% 20%, rgba(var(--display-accent), .12), transparent 32%), linear-gradient(145deg, #050f1af0, #0d1929e6);border-radius:18px;grid-template-rows:auto 1fr auto;gap:6px;min-width:0;padding:13px 17px 11px;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 0 28px #0000007a,inset 0 1px #c2e0f414,0 7px 18px #00000040}.piano-display:after{content:"";pointer-events:none;background:linear-gradient(112deg,#0000 22%,#ffffff09 46%,#0000 62%);position:absolute;inset:0}.piano-display.accent-rain{--display-accent:104, 176, 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198}.piano-display.accent-brahms{--display-accent:190, 165, 126}.piano-display.accent-debussy{--display-accent:127, 169, 218}.piano-display.accent-pathetique{--display-accent:214, 153, 126}.display-kicker{color:rgba(var(--display-accent), .68);letter-spacing:.23em;font-size:8px;font-weight:700}.display-main{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;min-width:0;display:grid}.display-main h1{color:#fbf1df;letter-spacing:.02em;text-overflow:ellipsis;white-space:nowrap;margin:0 0 4px;font-family:Songti SC,STSong,serif;font-size:clamp(18px,2.2vw,28px);font-weight:600;line-height:1.1;overflow:hidden}.display-main p{color:#ebf0f2c7;letter-spacing:.04em;text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:clamp(9px,1vw,12px);font-weight:650;overflow:hidden}.display-main output{min-width:48px;color:rgba(var(--display-accent), .28);text-align:right;text-shadow:0 0 18px rgba(var(--display-accent), .1);font-family:Songti 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#def6ff1a,0 0 15px #5aa6da1a}.melody-carousel{min-width:0;padding-bottom:12px;position:relative}.melody-list{overscroll-behavior-inline:contain;scroll-snap-type:x proximity;scrollbar-width:none;gap:7px;min-width:0;padding:2px 18px 4px 2px;display:flex;overflow-x:auto}.melody-list::-webkit-scrollbar{display:none}.melody-list button{--card-accent:143, 185, 220;color:#f7ecd77a;text-align:left;cursor:pointer;scroll-snap-align:start;background:#150c0f47;border:1px solid #f6e5c81a;border-radius:12px;flex:0 0 clamp(126px,13.2vw,158px);grid-template-rows:1fr auto;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:7px;min-width:0;min-height:58px;padding:7px 9px;transition:border-color .15s,background .15s,color .15s,transform .15s;display:grid;position:relative}.melody-list button.accent-rain{--card-accent:104, 176, 211}.melody-list button.accent-forest{--card-accent:122, 174, 143}.melody-list button.accent-cloud{--card-accent:180, 171, 214}.melody-list 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