:root{--bg:#f4efe6;--bg-deep:#ece4d6;--ink:#1f1b16;--ink-soft:#5b5348;--line:#c9bba6;--accent:#8a5a3a;--quote:#6d5a45;--sidebar:16.5rem;--pad:clamp(1.1rem, 3.6vw, 2rem)}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);margin:0;padding:0}body{-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.75}#root,.shell{min-height:100vh}.topbar{z-index:20;padding:.85rem var(--pad);padding-top:calc(.85rem + env(safe-area-inset-top));background:color-mix(in srgb, var(--bg) 88%, transparent);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);justify-content:space-between;align-items:center;gap:1rem;display:flex;position:sticky;top:0}.brand-name{letter-spacing:.28em;margin:0;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:1.2rem;font-weight:600}.brand-sub{color:var(--ink-soft);letter-spacing:.08em;margin:.15rem 0 0;font-size:.78rem}.nav-toggle{min-height:2.5rem;color:var(--ink);letter-spacing:.08em;background:0 0;border:1px solid #b89a7a;border-radius:999px;padding:0 .9rem;font-size:.88rem}.layout{display:block}.sidebar{padding:1.25rem var(--pad) 2.5rem;border-bottom:1px solid var(--line);background:var(--bg);display:none}.sidebar.is-open{display:block}.nav-kicker{color:var(--ink-soft);letter-spacing:.22em;margin:0 0 1.25rem;font-size:.72rem}.nav-album+.nav-album{border-top:1px solid var(--line);margin-top:2rem;padding-top:1.6rem}.nav-album-year{color:var(--accent);letter-spacing:.16em;margin:0;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:.86rem}.nav-album-title{letter-spacing:.08em;margin:.2rem 0 .75rem;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:1.15rem;font-weight:600}.nav-songs{margin:0;padding:0;list-style:none}.nav-song{width:100%;min-height:2.4rem;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;align-items:baseline;padding:.28rem 0;font-size:.95rem;display:flex}.nav-song.is-current{color:var(--accent)}.nav-track{color:var(--ink-soft);letter-spacing:.06em;flex:0 0 1.8rem;font-size:.75rem}.main{padding:1.4rem var(--pad) 4rem}.song-head{margin-bottom:1.8rem}.song-head-meta{color:var(--accent);letter-spacing:.1em;margin:0 0 .45rem;font-size:.82rem}.song-head-title{letter-spacing:.08em;margin:0 0 .7rem;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:clamp(1.7rem,6vw,2.3rem);font-weight:600;line-height:1.25}.song-head-album{max-width:40rem;color:var(--ink-soft);margin:0;font-size:.95rem;line-height:1.8}.song-columns{flex-direction:column;gap:2.2rem;display:flex}.col-title{letter-spacing:.22em;color:var(--ink-soft);margin:0 0 1rem;font-size:.72rem;font-weight:500}.lyric-card{border:0;border-left:1px solid var(--line);margin:0 0 1rem;padding:.1rem 0 .1rem 1rem}.lyric-label{color:var(--ink-soft);letter-spacing:.18em;margin:0 0 .4rem;font-size:.72rem}.lyric-text{color:var(--quote);margin:0;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:1.08rem;line-height:1.8}.lyric-empty,.lyric-note{color:var(--ink-soft);margin:0 0 1.1rem;font-size:.92rem;line-height:1.8}.listen-btn{min-height:2.75rem;color:var(--ink);letter-spacing:.08em;cursor:pointer;background:0 0;border:1px solid #b89a7a;border-radius:999px;justify-content:center;align-items:center;padding:.55rem 1.15rem;font-family:inherit;font-size:.9rem;text-decoration:none;display:inline-flex}.listen-btn:hover,.listen-btn:focus-visible,.nav-toggle:hover,.nav-toggle:focus-visible{background:var(--bg-deep);outline:none}.essay-label{margin:0 0 .45rem;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:1.05rem;font-weight:600}.essay-label+.essay-body+.essay-label{margin-top:1.35rem}.essay-body{margin:0;font-size:.98rem;line-height:1.95}.song-view{animation:none}@media (width>=880px){.nav-toggle{display:none}.layout{grid-template-columns:var(--sidebar) 1fr;max-width:1180px;min-height:calc(100vh - 4.2rem);margin:0 auto;display:grid}.sidebar,.sidebar.is-open{border-bottom:0;border-right:1px solid var(--line);height:calc(100vh - 4.2rem);padding:1.6rem 1.2rem 3rem 0;display:block;position:sticky;top:4.2rem;overflow:auto}.main{padding:1.8rem 0 4.5rem 2.2rem}.song-columns{grid-template-columns:minmax(0,.9fr) minmax(0,1.15fr);align-items:start;gap:2.4rem 2.8rem;display:grid}}@media (prefers-reduced-motion:no-preference){.js-anim .song-view{animation:.55s both rise}}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}