:root{--font-sans:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--font-serif:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Noto Serif CJK SC", Georgia, serif;--font-mono:"SF Mono", "Fira Code", "Cascadia Code", "Consolas", "Courier New", monospace;--primary:#bc3921;--secondary:#2d5a4e;--tertiary:#a68a56;--neutral:#f7f2e9;--bg-primary:#f7f2e9;--bg-secondary:#efe8dc;--bg-card:#fffdf8;--bg-card-hover:#faf4ea;--border:#ded5c7;--border-light:#cfc3b2;--accent-gold:var(--primary);--accent-gold-dim:#bc39211a;--accent-red:#bc3921;--accent-green:var(--secondary);--accent-blue:#5b6f9a;--text-primary:#1f1a17;--text-secondary:#5e5045;--text-dim:#8f7f71;--gradient-gold:linear-gradient(135deg, #bc3921, #d65a44);--gradient-card:linear-gradient(135deg, #fffdf8, #f8f0e5);--shadow-gold:0 8px 24px #bc392129;--shadow-card:0 4px 20px #4c3a2814;--radius:12px;--radius-lg:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.2}code,pre,.mono{font-family:var(--font-mono)}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font-sans);border:none;outline:none}input,textarea{font-family:var(--font-sans);border:none;outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#c4b7a6;border-radius:3px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin-slow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fadeInUp{animation:.6s forwards fadeInUp}.animate-float{animation:4s ease-in-out infinite float}.container{max-width:1100px;margin:0 auto;padding:0 24px}.gold-text{background:var(--gradient-gold);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn-primary{background:var(--gradient-gold);color:#fff8f2;border-radius:var(--radius);white-space:nowrap;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:700;transition:all .2s;display:inline-flex}.btn-primary:hover{box-shadow:var(--shadow-gold);transform:translateY(-2px)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius);background:0 0;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--accent-gold-dim)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px;transition:all .2s}.card:hover{border-color:var(--border-light);background:var(--bg-card-hover)}.tag{background:var(--accent-gold-dim);color:var(--primary);letter-spacing:.05em;text-transform:uppercase;border:1px solid #bc39214d;border-radius:100px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-flex}.divider{background:var(--border);height:1px;margin:40px 0}.code-block{border:1px solid var(--border);border-radius:var(--radius);background:#fbf7ef;overflow:hidden}.code-block-header{border-bottom:1px solid var(--border);background:#f2ebdc;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.code-block-header .dots{gap:6px;display:flex}.code-block-header .dot{border-radius:50%;width:10px;height:10px}.code-block pre{color:#3f332c;padding:20px;font-size:13px;line-height:1.7;overflow-x:auto}.code-block .keyword{color:#8c3b2d}.code-block .string{color:#2d5a4e}.code-block .comment{color:#8f7f71}.code-block .number{color:#a05a2c}.code-block .key{color:#5b6f9a}