:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fafaf9;--surface:#fff;--sunken:#f1f1ee;--ink:#111214;--body:#4a4e55;--muted:#5b5f66;--line:#e4e4e1;--line-strong:#d6d7d2;--hover:#ededea;--accent:#2e5bff;--accent-soft:#2e5bff1a;--on-accent:#fff;--danger-bg:#fdecec;--danger:#a4161a;--sans:"Inter", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--display:"Space Grotesk", var(--sans);--mono:"JetBrains Mono", "Cascadia Code", "SF Mono", ui-monospace, Menlo, Consolas, monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1012;--surface:#17191c;--sunken:#1f2226;--ink:#ecedef;--body:#b4b8bf;--muted:#9a9ea6;--line:#26292e;--line-strong:#363a41;--hover:#1f2226;--accent:#7d9bff;--accent-soft:#7d9bff24;--on-accent:#0f1012;--danger-bg:#e5532d29;--danger:#ff9b8a}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1012;--surface:#17191c;--sunken:#1f2226;--ink:#ecedef;--body:#b4b8bf;--muted:#9a9ea6;--line:#26292e;--line-strong:#363a41;--hover:#1f2226;--accent:#7d9bff;--accent-soft:#7d9bff24;--on-accent:#0f1012;--danger-bg:#e5532d29;--danger:#ff9b8a}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.mono{font-family:var(--mono)}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.container{width:100%;max-width:1328px;margin:0 auto;padding-left:24px;padding-right:24px}.page{flex-direction:column;min-height:100vh;display:flex}.site-header{border-bottom:1px solid var(--line)}.header-inner{flex-wrap:wrap;align-items:center;gap:12px 20px;padding-top:14px;padding-bottom:14px;display:flex}.brand{align-items:center;gap:10px;min-height:44px;text-decoration:none;display:flex}.logo{background:var(--accent);width:34px;height:34px;color:var(--on-accent);font:500 14px/1 var(--mono);letter-spacing:-.04em;border-radius:9px;justify-content:center;align-items:center;display:flex}.brand-name{font:600 18px/1 var(--display);letter-spacing:-.01em}.brand-sep{color:var(--muted);font-weight:500}.header-actions{align-items:center;gap:4px;margin-left:auto;display:flex}.nav-link{min-height:44px;color:var(--body);border-radius:10px;align-items:center;padding:0 14px;font-size:15px;text-decoration:none;display:inline-flex}.nav-link:hover{background:var(--hover);color:var(--ink)}.friend-link{gap:8px}.friend-tag{border:1px solid var(--line-strong);color:var(--muted);border-radius:999px;padding:2px 7px;font-size:11px}.icon-arrow{flex:none;width:14px;height:14px}.theme-toggle{width:44px;height:44px;color:var(--body);border-radius:10px;place-items:center;display:grid}.theme-toggle:hover{background:var(--hover);color:var(--ink)}.theme-toggle svg{stroke-width:1.6px;width:19px;height:19px}.site-footer{border-top:1px solid var(--line)}.footer-inner{color:var(--muted);padding-top:22px;padding-bottom:22px;font-size:13px}