@layer quartz-base{.book-toolbar{z-index:50;box-sizing:border-box;height:66px;color:var(--tea-deep);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f1e4eb;justify-content:space-between;align-items:center;padding:0 5vw;font-family:Noto Sans SC,PingFang SC,sans-serif;display:flex;position:fixed;top:0;left:0;right:0}.book-toolbar__brand{align-items:center;gap:12px;min-width:0;display:flex}.book-toolbar__leaf{color:#fff;background:var(--tea);border-radius:50% 50% 50% 12%;flex:0 0 32px;place-items:center;width:32px;height:32px;font-size:15px;font-weight:700;line-height:1;display:grid;transform:rotate(-8deg)}.book-toolbar__home{color:var(--tea-deep);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:700;overflow:hidden}.book-toolbar__home:hover{color:var(--tea)}.book-toolbar__chapter{color:var(--muted);margin-right:112px;font-size:11px}.reading-progress{z-index:1000;background:0 0;height:3px;position:fixed;inset:0 0 auto}.reading-progress span{background:var(--gold);width:0;height:100%;transition:width 80ms linear;display:block}.reading-layout-control{z-index:80;font-family:Noto Sans SC,PingFang SC,sans-serif;position:fixed;top:13px;left:50%;transform:translate(-50%)}.reading-layout-control__trigger{display:none}.reading-layout-control__panel{display:block}.reading-layout-control__options{background:#234b4214;border:1px solid #234b421f;border-radius:999px;gap:2px;padding:3px;display:flex}.reading-layout-control__option{min-width:64px;height:34px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;gap:5px;padding:0 11px;font:600 11px/1 Noto Sans SC,PingFang SC,sans-serif;display:flex}.reading-layout-control__option[aria-pressed=true]{color:#fff;background:var(--tea-deep);box-shadow:0 4px 12px #234b4233}.reading-layout-control__icon{font-size:14px}.reading-layout-control__copy small,.reading-layout-control__mobile-note{display:none}.reading-layout-control__option:focus-visible,.reading-layout-control__trigger:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.book-github-link{z-index:70;box-sizing:border-box;color:#fff;background:var(--tea-deep);letter-spacing:.08em;writing-mode:vertical-rl;border:1px solid #ffffff3d;border-right:0;border-radius:14px 0 0 14px;justify-content:center;align-items:center;gap:8px;width:44px;height:118px;font:700 10px/1 Noto Sans SC,PingFang SC,sans-serif;text-decoration:none;display:flex;position:fixed;top:38%;right:0;box-shadow:0 14px 34px #234b4238}.book-github-link:hover{color:#fff;background:var(--tea)}.book-github-link:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.book-github-link__mark{fill:currentColor;writing-mode:horizontal-tb;flex:0 0 24px;width:24px;height:24px}@media (max-width:800px){.book-toolbar{padding:0 18px}.book-toolbar__home,.book-toolbar__chapter{display:none}.reading-layout-control{top:14px;left:auto;right:154px;transform:none}.reading-layout-control__trigger{width:42px;height:38px;color:var(--tea-deep);border:1px solid var(--line);cursor:pointer;background:#ffffff8c;border-radius:999px;place-items:center;padding:0;font:700 10px/1 Noto Sans SC,PingFang SC,sans-serif;display:grid}.reading-layout-control__panel{z-index:90;box-sizing:border-box;border:1px solid var(--line);background:#fffdf7fa;border-radius:14px;width:236px;padding:12px;display:none;position:fixed;top:60px;right:18px;box-shadow:0 18px 50px #234b4233}.reading-layout-control[data-layout-open=true] .reading-layout-control__panel{display:block}.reading-layout-control__options{background:0 0;border:0;border-radius:0;flex-direction:column;gap:5px;padding:0}.reading-layout-control__option{text-align:left;border-radius:9px;justify-content:flex-start;gap:8px;width:100%;height:44px;padding:0 12px}.reading-layout-control__copy{flex-direction:column;gap:3px;display:flex}.reading-layout-control__copy small{color:var(--muted);font-size:9px;font-weight:400;display:block}.reading-layout-control__option[aria-pressed=true] .reading-layout-control__copy small{color:#d7e4df}.reading-layout-control__mobile-note{color:var(--muted);margin:5px 8px 0;font-size:9px;line-height:1.5;display:block}.book-github-link{writing-mode:horizontal-tb;border:0;border-radius:50%;width:48px;height:48px;top:50%;right:14px;transform:translateY(-50%);box-shadow:0 12px 30px #234b424d}.book-github-link>span{display:none}}}