*{box-sizing:border-box;margin:0;padding:0}
body,html{height:100%;font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Helvetica, Arial, 'Noto Sans', sans-serif;}
body{color:#222;overflow:hidden;background:#000;}
#background-layer{position:fixed;inset:0;z-index:-3;background:#111;background-size:cover;background-position:center;transition:background-image 1s ease, filter 2s linear, opacity .9s ease;opacity:1;}
#background-layer::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(255,255,255,.12),transparent 60%),linear-gradient(to top,rgba(0,0,0,.4),rgba(0,0,0,.1));backdrop-filter:blur(2px);}
#season-canvas{position:fixed;inset:0;z-index:-2;pointer-events:none;}
.site-header{position:fixed;left:2rem;top:1.2rem;z-index:10;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.4);}
.site-header h1{font-size:2rem;font-weight:600;letter-spacing:.15em;}
.calendar-wrapper{position:fixed;top:1.2rem;right:1.2rem;width:380px;max-height:90vh;background:rgba(255,255,255,.78);backdrop-filter:blur(12px) saturate(160%);border:1px solid rgba(255,255,255,.5);box-shadow:0 10px 32px -6px rgba(0,0,0,.25);border-radius:20px;padding:1.1rem 1.2rem;overflow:hidden;display:flex;flex-direction:column;}
.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.4rem;}
.calendar-header h2{font-size:1.1rem;font-weight:600;letter-spacing:.05em;}
.nav-btn{background:linear-gradient(135deg,#ffffff,#f1f5f9);border:1px solid #d0d7e2;color:#334155;padding:.25rem .55rem;border-radius:8px;font-size:.85rem;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.12);transition:.25s;display:flex;align-items:center;gap:4px;}
.nav-btn:hover{background:linear-gradient(135deg,#f8fafc,#ffffff);transform:translateY(-2px);}
.nav-btn:active{transform:translateY(0);}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:.35rem;font-size:.72rem;}
.calendar-grid .dow{font-weight:600;text-align:center;color:#475569;padding:.2rem 0;text-transform:uppercase;letter-spacing:.05em;}
.day{position:relative;aspect-ratio:1/1;border-radius:14px;padding:.25rem .3rem;background:linear-gradient(160deg,#ffffff,#f1f5f9);display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;overflow:hidden;box-shadow:0 2px 5px rgba(0,0,0,.08),0 4px 14px -4px rgba(0,0,0,.12);cursor:pointer;transition:all .35s cubic-bezier(.4,.14,.3,1);border:1px solid rgba(255,255,255,.6);}
.day:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 6px 18px -4px rgba(0,0,0,.22);}
.day.today{box-shadow:0 0 0 2px #ec4899,0 4px 12px -3px rgba(236,72,153,.55);}
.day.has-note::after{content:"";position:absolute;bottom:4px;right:6px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#ec4899,#f59e0b);box-shadow:0 0 0 2px rgba(255,255,255,.9),0 2px 4px rgba(0,0,0,.35);}
.day .g{font-size:.9rem;font-weight:600;color:#1e293b;}
.day .lunar{font-size:.55rem;margin-top:auto;color:#475569;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis;}
.badge{position:absolute;top:4px;right:4px;background:linear-gradient(135deg,#ef4444,#f59e0b);color:#fff;font-size:.55rem;padding:2px 5px;border-radius:30px;box-shadow:0 2px 4px rgba(0,0,0,.25);letter-spacing:.05em;}
.badge.festival{background:linear-gradient(135deg,#ec4899,#f472b6);} .badge.term{background:linear-gradient(135deg,#06b6d4,#3b82f6);} .badge.holiday{background:linear-gradient(135deg,#16a34a,#22c55e);} 
.legend{margin-top:.35rem;display:flex;flex-wrap:wrap;gap:.35rem;font-size:.55rem;}
.legend span{display:inline-flex;align-items:center;gap:4px;padding:.15rem .45rem;border-radius:20px;background:rgba(255,255,255,.7);backdrop-filter:blur(6px);box-shadow:0 2px 4px rgba(0,0,0,.15);}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;}
.legend .i-festival{background:linear-gradient(135deg,#ec4899,#f472b6);} .legend .i-term{background:linear-gradient(135deg,#38bdf8,#6366f1);} .legend .i-holiday{background:linear-gradient(135deg,#16a34a,#22c55e);} .legend .i-today{background:linear-gradient(135deg,#f59e0b,#fbbf24);} 
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100;backdrop-filter:blur(3px);}
.modal.hidden{display:none;}
.modal-content{width:min(92vw,520px);max-height:80vh;background:rgba(255,255,255,.9);backdrop-filter:blur(14px) saturate(160%);border-radius:22px;padding:1.4rem 1.5rem;display:flex;flex-direction:column;gap:.75rem;position:relative;box-shadow:0 20px 40px -12px rgba(0,0,0,.35),0 2px 10px rgba(0,0,0,.18);animation:pop .5s cubic-bezier(.25,1,.4,1);}
@keyframes pop{0%{opacity:0;transform:translateY(30px) scale(.92);}100%{opacity:1;transform:translateY(0) scale(1);}}
.close-btn{position:absolute;top:10px;right:12px;background:rgba(0,0,0,.08);color:#334155;border:none;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;font-size:20px;cursor:pointer;transition:.25s;font-weight:300;}
.close-btn:hover{background:rgba(0,0,0,.15);transform:rotate(6deg) scale(1.1);} .close-btn:active{transform:scale(.95);}
.modal-content h2{font-size:1.15rem;letter-spacing:.08em;color:#1e293b;font-weight:600;}
.modal-content small{color:#64748b;letter-spacing:.05em;}
#diary-text{flex:1;min-height:200px;resize:vertical;border:1px solid #e2e8f0;border-radius:14px;padding:.9rem 1rem;font-size:.85rem;line-height:1.55;background:linear-gradient(145deg,#ffffff,#f1f5f9);box-shadow:inset 0 2px 4px rgba(0,0,0,.05);outline:none;transition:.25s;}
#diary-text:focus{border-color:#ec4899;box-shadow:0 0 0 3px rgba(236,72,153,.35),inset 0 1px 3px rgba(0,0,0,.06);}
.modal-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.2rem;}
.modal-actions button{border:none;cursor:pointer;font-size:.78rem;padding:.55rem 1.1rem;border-radius:14px;font-weight:600;letter-spacing:.08em;display:inline-flex;align-items:center;gap:.4rem;transition:.25s;text-shadow:0 1px 2px rgba(0,0,0,.15);}
.modal-actions .primary{background:linear-gradient(135deg,#ec4899,#f472b6);color:#fff;box-shadow:0 4px 10px -3px rgba(236,72,153,.55),0 2px 6px rgba(0,0,0,.25);} .modal-actions .primary:hover{transform:translateY(-3px);}
.modal-actions .danger{background:linear-gradient(135deg,#64748b,#475569);color:#fff;box-shadow:0 4px 10px -3px rgba(71,85,105,.55),0 2px 6px rgba(0,0,0,.25);} .modal-actions .danger:hover{transform:translateY(-3px);}
.modal-actions button:active{transform:translateY(0) scale(.96);} 
.site-footer{position:fixed;left:.9rem;bottom:.6rem;font-size:.6rem;line-height:1.2;color:#f1f5f9;z-index:20;text-shadow:0 2px 6px rgba(0,0,0,.65);display:flex;flex-direction:column;gap:.35rem;}
.site-footer .visit-counter{font-weight:600;letter-spacing:.08em;background:rgba(0,0,0,.35);padding:.25rem .7rem;border-radius:14px;backdrop-filter:blur(6px);box-shadow:0 4px 14px -4px rgba(0,0,0,.55);} 
.site-footer .note{opacity:.9;font-weight:400;letter-spacing:.05em;background:rgba(0,0,0,.25);padding:.3rem .6rem;border-radius:12px;backdrop-filter:blur(6px);} 
/* 背景主题 基础（会被 JS 添加类覆盖）*/
body.spring #background-layer{background-image:linear-gradient(120deg,#fde1ec,#d1f4e0,#f8f3c9);} 
body.summer #background-layer{background-image:linear-gradient(120deg,#fff5b1,#b3e5ff,#c9f7d2);} 
body.autumn #background-layer{background-image:linear-gradient(120deg,#ffe2c1,#ffd1d1,#f9f0b3);} 
body.winter #background-layer{background-image:linear-gradient(120deg,#dce9ff,#cdd4ff,#ffffff);} 
body.festival-spring{animation:festiveGlow 6s linear infinite;} @keyframes festiveGlow{0%,100%{filter:brightness(1);}50%{filter:brightness(1.08);}}
/* 夜间模式 */
body.night #background-layer::after{background:radial-gradient(circle at 60% 30%,rgba(255,255,255,.08),transparent 55%),linear-gradient(to top,rgba(0,0,0,.75),rgba(0,0,0,.4));}
body.night .calendar-wrapper{background:rgba(255,255,255,.65);} body.night .site-header h1{color:#f1f5f9;} body.night .site-footer{color:#f1f5f9;}
/* 滚动条轻量美化 */
::-webkit-scrollbar{width:10px;}::-webkit-scrollbar-track{background:rgba(0,0,0,.05);border-radius:20px;}::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#cbd5e1,#94a3b8);border-radius:20px;border:2px solid #e2e8f0;}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#94a3b8,#64748b);} 
@media (max-width:880px){.calendar-wrapper{position:fixed;top:auto;bottom:0;left:50%;right:auto;transform:translateX(-50%);width:100%;max-width:560px;border-radius:24px 24px 0 0;box-shadow:0 -8px 40px -10px rgba(0,0,0,.45);}body{overflow:auto;}#season-canvas{display:none;} }

/* ================= 背景音乐播放器 ================= */
.music-launch{position:fixed;right:1rem;bottom:1rem;z-index:60;background:linear-gradient(135deg,#ec4899,#f59e0b);border:none;color:#fff;width:48px;height:48px;border-radius:18px;cursor:pointer;font-size:20px;font-weight:600;box-shadow:0 6px 18px -4px rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;transition:.35s;}
.music-launch:hover{transform:translateY(-4px) rotate(8deg);} .music-launch:active{transform:scale(.9);} 
.music-player{position:fixed;right:1rem;bottom:1rem;z-index:70;width:300px;display:flex;flex-direction:column;gap:.5rem;background:rgba(255,255,255,.85);backdrop-filter:blur(14px) saturate(150%);padding:.9rem 1rem 1.1rem;border-radius:22px;box-shadow:0 18px 44px -12px rgba(0,0,0,.4),0 2px 10px rgba(0,0,0,.18);animation:mpFade .45s cubic-bezier(.4,.14,.3,1);}
@keyframes mpFade{0%{opacity:0;transform:translateY(30px) scale(.92);}100%{opacity:1;transform:translateY(0) scale(1);}}
.music-player.hidden{display:none;}
.music-player .mp-btn{background:linear-gradient(135deg,#ffffff,#f1f5f9);border:1px solid #d8e0ea;color:#334155;border-radius:12px;cursor:pointer;font-size:.8rem;line-height:1;padding:.4rem .65rem;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.12);transition:.25s;}
.music-player .mp-btn:hover{background:linear-gradient(135deg,#f8fafc,#ffffff);transform:translateY(-2px);} .music-player .mp-btn:active{transform:translateY(0) scale(.95);} 
.music-player .mp-toggle{font-size:1rem;width:52px;height:52px;align-self:flex-start;background:linear-gradient(135deg,#ec4899,#f472b6);color:#fff;border:none;box-shadow:0 6px 16px -4px rgba(236,72,153,.55);} 
.music-player .mp-close{position:absolute;top:6px;right:6px;width:32px;height:32px;font-size:16px;background:rgba(0,0,0,.08);color:#334155;border:none;}
.music-player .mp-close:hover{background:rgba(0,0,0,.15);} 
.music-player .mp-meta{flex:1;display:flex;flex-direction:column;gap:.45rem;margin-top:.1rem;}
.music-player .mp-title{font-size:.85rem;font-weight:600;color:#1f2937;letter-spacing:.05em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.music-player .mp-progress input[type=range]{width:100%;appearance:none;-webkit-appearance:none;height:6px;border-radius:6px;background:linear-gradient(90deg,#ec4899,#f59e0b);outline:none;cursor:pointer;}
.music-player .mp-progress input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px #ec4899,0 2px 6px rgba(0,0,0,.3);} 
.music-player .mp-controls{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;}
.music-player #mp-volume{width:90px;appearance:none;-webkit-appearance:none;height:6px;border-radius:6px;background:linear-gradient(90deg,#64748b,#94a3b8);cursor:pointer;}
.music-player #mp-volume::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px #64748b,0 2px 4px rgba(0,0,0,.3);} 
body.night .music-player{background:rgba(30,41,59,.82);color:#f1f5f9;} body.night .music-player .mp-title{color:#f1f5f9;} body.night .music-player .mp-btn{border-color:#455166;color:#e2e8f0;background:linear-gradient(135deg,#1e293b,#334155);} body.night .music-player .mp-btn:hover{background:linear-gradient(135deg,#334155,#475569);} 
@media (max-width:580px){.music-player{right:.6rem;bottom:4.2rem;width:calc(100% - 1.2rem);} .music-launch{bottom:.6rem;right:.6rem;}}
/* 播放列表 & 奇幻模式 */
.music-player .mp-extra{display:flex;flex-direction:column;gap:.4rem;margin-top:.2rem;}
.music-player .mp-toolbar{display:flex;gap:.45rem;flex-wrap:wrap;}
.music-player #mp-fantasy.active{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 4px 12px -3px rgba(99,102,241,.55);}
.music-player .mp-playlist{max-height:160px;overflow-y:auto;display:flex;flex-direction:column;gap:.25rem;padding:.35rem .2rem .2rem .2rem;border:1px solid rgba(0,0,0,.08);border-radius:14px;background:linear-gradient(145deg,#ffffff,#f1f5f9);box-shadow:inset 0 2px 4px rgba(0,0,0,.06);} 
.music-player .mp-playlist.hidden{display:none;}
.music-player .mp-track{display:flex;align-items:center;gap:.4rem;font-size:.68rem;padding:.4rem .55rem;border-radius:10px;cursor:pointer;line-height:1.2;letter-spacing:.04em;color:#334155;position:relative;background:rgba(255,255,255,.55);backdrop-filter:blur(4px);border:1px solid rgba(0,0,0,.05);transition:.25s;}
.music-player .mp-track:hover{background:linear-gradient(135deg,#f8fafc,#ffffff);box-shadow:0 2px 6px rgba(0,0,0,.12);transform:translateY(-2px);} 
.music-player .mp-track.active{background:linear-gradient(135deg,#ec4899,#f59e0b);color:#fff;box-shadow:0 4px 12px -3px rgba(236,72,153,.55);} 
.music-player .mp-track .badge{font-size:.55rem;padding:2px 6px;border-radius:30px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;letter-spacing:.05em;} 
.music-player .mp-track .season-tag{font-size:.5rem;padding:2px 5px;border-radius:30px;background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff;letter-spacing:.04em;} 
.music-player .mp-track.active .season-tag{background:rgba(255,255,255,.25);} 
body.night .music-player .mp-playlist{background:linear-gradient(145deg,#1e293b,#334155);border-color:#2d3a4e;} body.night .music-player .mp-track{background:rgba(255,255,255,.08);color:#e2e8f0;border-color:rgba(255,255,255,.08);} body.night .music-player .mp-track:hover{background:rgba(255,255,255,.15);} body.night .music-player .mp-track.active{background:linear-gradient(135deg,#6366f1,#8b5cf6);} 
::-webkit-scrollbar-thumb:active{background:linear-gradient(180deg,#64748b,#475569);}