:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#faf8f4;--panel:#fff;--panel-2:#f3f0ea;--border:#e6e1d8;--text:#25221d;--text-soft:#6f685b;--accent:#b5452e;--accent-ink:#fff;--accent-soft:#f5e5df;--good:#2f7a4a;--shadow:0 1px 2px #281e140f, 0 4px 16px #281e140f;--radius:14px;--player-h:0px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1b1a18;--panel:#252320;--panel-2:#2e2b27;--border:#3a3631;--text:#efebe4;--text-soft:#a8a194;--accent:#e0775c;--accent-ink:#1b1a18;--accent-soft:#3d2922;--good:#7cc596;--shadow:0 1px 2px #0000004d}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-text-size-adjust:100%;margin:0;font-size:16px;line-height:1.45}a{color:var(--accent);text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}h1,h2,h3{margin:0;line-height:1.25}.muted{color:var(--text-soft)}.small{font-size:.85rem}.icon{flex:none;display:block}.has-player{--player-h:150px}.top{z-index:10;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);align-items:center;gap:8px;display:flex;position:sticky;top:0}.top-titles{min-width:0}.top h1{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:1.15rem;display:-webkit-box;overflow:hidden}.eyebrow{letter-spacing:.02em;color:var(--text-soft);text-transform:uppercase;align-items:center;gap:4px;font-size:.75rem;font-weight:600;display:inline-flex}a.eyebrow{color:var(--accent)}.icon-btn{width:40px;height:40px;color:var(--text);background:0 0;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.icon-btn:hover{background:var(--panel-2)}.wrap{max-width:720px;padding:16px 16px calc(32px + var(--player-h) + env(safe-area-inset-bottom));margin:0 auto}.wrap.wide{max-width:1000px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);display:block}.course-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.course-card{gap:4px;padding:18px;display:grid}.course-card 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