:root{--bg:#f7f3ec;--paper:#fffdf8;--ink:#26221b;--muted:#756b5e;--line:#e7ddcf;--accent:#8b5a2b;--accent2:#2f6f73}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}.wrap{max-width:980px;margin:0 auto;padding:0 22px}.site-header{background:rgba(255,253,248,.92);border-bottom:1px solid var(--line);position:sticky;top:0;backdrop-filter:blur(10px);z-index:2}.nav{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}.brand{font-weight:800;color:var(--ink);text-decoration:none;font-size:20px}.nav-link{font-size:14px;color:var(--muted);text-decoration:none;border:1px solid var(--line);padding:3px 10px;border-radius:999px}.hero{padding:70px 0 36px}.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px}.hero p{font-size:18px;color:var(--muted);max-width:720px}.notice{background:#fff8dc;border:1px solid #eadb9f;padding:12px 14px;border-radius:12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;padding-bottom:60px}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(65,45,20,.05)}.card h2{font-size:20px;line-height:1.35;margin:0 0 10px}.card a{color:var(--accent);text-decoration:none}.card p{margin:0;color:var(--muted)}.article{background:var(--paper);border:1px solid var(--line);border-radius:20px;margin:34px 0 60px;padding:32px;box-shadow:0 10px 35px rgba(65,45,20,.06)}.breadcrumb,.meta{color:var(--muted);font-size:14px}.breadcrumb a{color:var(--accent2);text-decoration:none}.article h1{font-size:36px;line-height:1.2;margin:10px 0 8px}.article h2{margin-top:34px;border-bottom:1px solid var(--line);padding-bottom:8px}.article h3{margin-top:28px}.article a{color:#0969da}.article img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}.article figure{margin:24px 0;text-align:center}.article figcaption{font-size:13px;color:var(--muted);margin-top:6px}.article pre{overflow:auto;background:#1f2328;color:#f0f3f6;border-radius:12px;padding:16px}.article code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.article blockquote{border-left:4px solid var(--accent);margin:18px 0;padding:8px 16px;background:#faf4e8;color:#5b5146}.site-footer{border-top:1px solid var(--line);color:var(--muted);padding:28px 0 40px;background:#fffdf8}.site-footer a{color:var(--muted);text-decoration:none}@media(max-width:640px){.hero h1{font-size:34px}.article{padding:22px;margin-top:20px}.article h1{font-size:28px}.nav{align-items:flex-start;gap:8px;flex-direction:column}}