/* Typecho site foundation: tokens, layout primitives, accessibility. */
:root{color-scheme:light;--site-bg:#f7f7f4;--site-surface:#fff;--site-surface-muted:#eef0eb;--site-text:#17191a;--site-text-muted:#747a78;--site-border:#e1e4de;--site-accent:#c9ed4e;--site-link:#3e5ed8;--site-code-bg:#1d2022;--site-radius-sm:10px;--site-radius-md:16px;--site-radius-lg:22px;--site-shadow:0 14px 40px rgba(25,32,28,.08);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:72px;--space-9:112px;--site-ease:180ms ease}html[data-site-theme=dark]{color-scheme:dark;--site-bg:#111313;--site-surface:#191d1c;--site-surface-muted:#222725;--site-text:#f2f0e9;--site-text-muted:#9aa19d;--site-border:#2c3230;--site-accent:#d2f267;--site-link:#9aaeff;--site-code-bg:#080909;--site-shadow:0 14px 40px rgba(0,0,0,.24)}html[data-site-theme=light]{color-scheme:light}*{box-sizing:border-box}mjx-container{max-width:100%;color:var(--site-text)}mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;padding:7px 0}.site-page{background:var(--site-bg);color:var(--site-text);min-height:100vh;transition:background var(--site-ease),color var(--site-ease)}.site-container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.site-link{color:var(--site-link);text-decoration:none}.site-focus:focus-visible,.site-page a:focus-visible,.site-page button:focus-visible{outline:3px solid var(--site-accent);outline-offset:3px}.site-surface{background:var(--site-surface);border:1px solid var(--site-border);border-radius:var(--site-radius-md)}.site-muted{color:var(--site-text-muted)}.site-header{border-bottom:1px solid var(--site-border);background:color-mix(in srgb,var(--site-bg) 92%,transparent);position:relative;z-index:10}.site-header__inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-header__brand{color:var(--site-text);font-weight:800;text-decoration:none;letter-spacing:-.02em}.site-header__nav{display:flex;align-items:center;gap:22px}.site-header__nav a{color:var(--site-text-muted);font-size:13px;text-decoration:none}.site-header__nav a:hover{color:var(--site-text)}.site-header__actions{display:flex;align-items:center;gap:10px}.site-admin-link{color:var(--site-text-muted);font-size:11px;text-decoration:none;padding:8px 11px;border:1px solid var(--site-border);border-radius:999px}.site-admin-link:hover{color:var(--site-text);background:var(--site-surface)}.site-theme-toggle{width:34px;height:34px;border:1px solid var(--site-border);background:var(--site-surface);color:var(--site-text);border-radius:999px;cursor:pointer}@media(max-width:600px){.site-header__inner{min-height:56px}.site-header__nav{display:none}.site-admin-link{font-size:0;width:34px;height:34px;padding:0;display:grid;place-items:center}.site-admin-link:after{content:'后台';font-size:10px}}@media(max-width:600px){.site-container{width:calc(100% - 30px)}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}