.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);padding-block:var(--space-lg);margin-top:var(--space-3xl)}.footer-inner[data-astro-cid-jo6i4kqk]{justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.copyright[data-astro-cid-jo6i4kqk],.icp[data-astro-cid-jo6i4kqk]{font-size:var(--font-size-meta);color:var(--color-text-secondary)}.footer-links[data-astro-cid-jo6i4kqk]{gap:var(--space-lg);display:flex}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{font-size:var(--font-size-meta);color:var(--color-text-secondary)}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-primary)}@media (width<=640px){.footer-inner[data-astro-cid-jo6i4kqk]{text-align:center;flex-direction:column}}:root{--color-bg:#fff;--color-bg-secondary:#f8f9fa;--color-bg-reader:#fafafa;--color-border:#e5e7eb;--color-text:#222;--color-text-secondary:#6b7280;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#3b82f6;--color-nav-bg:var(--color-primary);--color-nav-bg-hover:var(--color-primary-hover);--color-nav-text:#fff;--color-nav-text-active:#fff;--color-success:#22c55e;--color-finished:#6b7280;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-base:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-button:10px;--radius-pill:24px;--shadow-sm:0 2px 8px #0000000d;--shadow-md:0 4px 12px #00000014;--font-size-page-title:28px;--font-size-book-title:24px;--font-size-chapter-title:22px;--font-size-body:18px;--font-size-caption:14px;--font-size-meta:13px;--line-height-body:1.9;--line-height-heading:1.4;--line-height-list:1.6;--font-family-base:-apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;--font-family-reader:-apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;--width-home:1280px;--width-detail:900px;--width-reader:760px;--breakpoint-mobile:640px;--breakpoint-tablet:768px;--breakpoint-desktop:1024px;--breakpoint-wide:1280px;--header-height:64px;--transition-duration:.2s;--transition:var(--transition-duration) ease;--button-height:44px}@media (prefers-color-scheme:dark){:root[data-theme=auto],:root:not([data-theme]){--color-bg:#111827;--color-bg-secondary:#1f2937;--color-bg-reader:#1a2230;--color-border:#374151;--color-text:#f3f4f6;--color-text-secondary:#9ca3af;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 12px #0006}}:root[data-theme=dark]{--color-bg:#111827;--color-bg-secondary:#1f2937;--color-bg-reader:#1a2230;--color-border:#374151;--color-text:#f3f4f6;--color-text-secondary:#9ca3af;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 12px #0006}:root[data-theme=light]{--color-bg:#fff;--color-bg-secondary:#f8f9fa;--color-bg-reader:#fafafa;--color-border:#e5e7eb;--color-text:#222;--color-text-secondary:#6b7280}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-body);line-height:var(--line-height-body);color:var(--color-text);background-color:var(--color-bg);min-height:100vh;transition:background-color var(--transition), color var(--transition);flex-direction:column;display:flex}main{flex:1}img{max-width:100%;height:auto;display:block}a{color:var(--color-primary);transition:color var(--transition);text-decoration:none}a:hover{color:var(--color-primary-hover)}.container{width:100%;max-width:var(--width-home);padding-inline:var(--space-base);margin-inline:auto}.container--narrow{max-width:var(--width-detail)}.container--reader{max-width:var(--width-reader)}.btn{height:var(--button-height);padding-inline:var(--space-lg);border-radius:var(--radius-button);font-family:inherit;font-size:var(--font-size-body);cursor:pointer;transition:all var(--transition);border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.btn--primary{background-color:var(--color-primary);color:#fff}.btn--primary:hover{background-color:var(--color-primary-hover);color:#fff}.btn--secondary{background-color:var(--color-bg);color:var(--color-text);border-color:var(--color-border)}.btn--outline{color:var(--color-text);border-color:var(--color-border);background-color:#0000}.btn--outline:hover{border-color:var(--color-primary);color:var(--color-primary)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}