:root{--bg:#0b1118;--panel:#111a24;--line:#243242;--text:#edf4fa;--muted:#9fb0bf;--accent:#26b9ec;--accent2:#aee9ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}button,select,input{font:inherit}.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px;padding:12px max(16px,calc((100vw - 1500px)/2));background:rgba(11,17,24,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:2px solid var(--accent);border-radius:10px;font-weight:900;color:var(--accent2)}.brand-copy{display:flex;flex-direction:column;min-width:0}.brand-copy span{font-size:12px;color:var(--muted)}.controls{display:flex;align-items:end;gap:9px}.select-wrap{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}select,.control-button,.minor-button,.nav-button{border:1px solid var(--line);background:#16212c;color:var(--text);border-radius:9px}select{padding:8px 30px 8px 10px}.control-button,.minor-button{padding:9px 12px;cursor:pointer}.control-button.active{border-color:var(--accent)}.readerbar{position:sticky;top:76px;z-index:45;height:48px;display:flex;justify-content:center;align-items:center;gap:8px;background:rgba(14,22,30,.96);border-bottom:1px solid var(--line)}.nav-button{width:38px;height:34px;font-size:25px;cursor:pointer}.page-jump{font-size:13px;color:var(--muted)}.page-jump input{width:46px;padding:6px;text-align:center;border:1px solid var(--line);border-radius:7px;background:#0b1118;color:#fff}.minor-button{padding:7px 10px;font-size:12px}.notice{text-align:center;padding:7px 12px;font-size:12px;color:#c8d5de;background:#101923;border-bottom:1px solid #1e2b38}.app-shell{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:20px;max-width:1520px;margin:auto;padding:22px}.reader{grid-column:1;display:flex;flex-direction:column;align-items:center;gap:24px}.desktop-panel{grid-column:2;grid-row:1;position:sticky;top:145px;align-self:start;min-height:300px;max-height:calc(100vh - 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