.first-ai-song-tutorial .page-meta-row{margin-bottom:16px}.first-ai-song-tutorial .song-copy-block{margin-block:24px}.first-ai-song-tutorial .song-copy-block pre{-webkit-user-select:text;user-select:text}.first-ai-song-tutorial .song-copy-feedback{min-height:1.75em;color:var(--evidence-muted);margin-top:4px;font-size:13px;line-height:1.75;display:block}.first-ai-song-tutorial .song-copy-block button:focus-visible{outline:2px solid var(--tutorial-module-deep);outline-offset:3px}.first-ai-song-tutorial .hr-markdown-preview.is-prose .hr-markdown-table-block{margin-block:24px}.first-ai-song-tutorial .hr-markdown-table-hint{display:none}.first-ai-song-tutorial .is-scroll-aware:is([data-scroll-left=true],[data-scroll-right=true])>.hr-markdown-table-hint{display:block}.first-ai-song-tutorial .hr-markdown-preview.is-prose table{width:100%;min-width:0}.first-ai-song-tutorial .hr-markdown-preview.is-prose th,.first-ai-song-tutorial .hr-markdown-preview.is-prose td{white-space:normal;overflow-wrap:anywhere;width:50%}.first-ai-song-tutorial .song-native-figure{width:100%;min-width:0;margin:32px auto}.first-ai-song-tutorial .song-figure-tools{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px 16px;margin-bottom:8px;display:flex}.first-ai-song-tutorial .song-figure-tools .song-figure-scroll-hint{color:var(--evidence-muted);flex:220px;margin:0;font-size:14px;line-height:1.7}.first-ai-song-tutorial .song-figure-original{box-sizing:border-box;border:1px solid var(--evidence-border);border-radius:var(--evidence-radius);background:var(--evidence-surface);min-height:44px;color:var(--tutorial-module-deep);justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-size:14px;line-height:1.5;text-decoration:none;display:inline-flex}.first-ai-song-tutorial .song-figure-scroll{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;max-width:100%;overflow-x:auto}.first-ai-song-tutorial .song-figure-scroll img{max-width:none;height:auto;display:block}.first-ai-song-tutorial .song-figure-scroll:focus-visible,.first-ai-song-tutorial .song-figure-original:focus-visible{outline:2px solid var(--tutorial-module-deep);outline-offset:3px}.first-ai-song-tutorial .song-native-figure figcaption{margin-top:12px}.first-ai-song-tutorial .song-native-figure figcaption .hr-markdown-preview.is-prose p{color:var(--evidence-muted);margin:0;font-size:14px;line-height:1.75}.first-ai-song-tutorial .song-preview-note{margin-left:var(--scene-index);border-top:1px solid var(--evidence-border);color:var(--evidence-muted);padding-top:24px}.first-ai-song-tutorial .song-preview-note .hr-markdown-preview.is-prose p{color:var(--evidence-muted);font-size:14px}@media (width<=720px){.first-ai-song-tutorial .song-copy-block>header{flex-wrap:wrap}}.first-ai-song-tutorial .song-supplement{border-block:1px solid var(--evidence-border);margin-block:24px;padding-block:4px}.first-ai-song-tutorial .song-supplement>summary{cursor:pointer;min-height:44px;color:var(--tutorial-module-deep);padding-block:10px;font-weight:600}.first-ai-song-tutorial .song-supplement>summary:focus-visible{outline:2px solid var(--tutorial-module-deep);outline-offset:3px}.first-ai-song-tutorial .song-supplement[open]>summary{margin-bottom:12px}#song-own-song .hr-markdown-preview.is-prose :is(th,td):first-child{width:32%}#song-own-song .hr-markdown-preview.is-prose :is(th,td):last-child{width:68%}.first-ai-song-tutorial .song-showcase{margin:0 0 40px var(--scene-index);min-width:0}.first-ai-song-tutorial .song-showcase h2{margin:0 0 12px;font-size:24px;line-height:1.5}.first-ai-song-tutorial .song-showcase>p{margin:0 0 16px}.first-ai-song-tutorial .song-version-switch{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.first-ai-song-tutorial .song-version-switch button{border:1px solid var(--evidence-border);border-radius:var(--evidence-radius);min-height:44px;color:var(--evidence-text);background:var(--evidence-surface);font:inherit;cursor:pointer;padding:8px 14px}.first-ai-song-tutorial .song-version-switch button[aria-pressed=true]{color:var(--tutorial-module-deep);border-color:var(--tutorial-module-deep);background:var(--evidence-primary-soft)}.first-ai-song-tutorial .song-version-switch button:focus-visible{outline:2px solid var(--tutorial-module-deep);outline-offset:3px}.first-ai-song-tutorial .song-native-player{border-radius:var(--evidence-radius);border:0;width:100%;height:240px;display:block}.first-ai-song-tutorial .song-player-source{color:var(--evidence-muted);margin-top:12px;font-size:14px;line-height:1.75}@media (width<=720px){.first-ai-song-tutorial .song-showcase{margin-left:0}}.first-ai-song-tutorial .song-player-shell{min-height:240px;position:relative}.first-ai-song-tutorial .song-player-loading{color:var(--evidence-muted);border:1px solid var(--evidence-border);border-radius:var(--evidence-radius);place-items:center;margin:0;display:grid;position:absolute;inset:0}