:root{--pri:#2563eb;--pri2:#1d4ed8;--sec:#64748b;--ok:#22c55e;--warn:#f59e0b;--err:#ef4444;--bg:#f8fafc;--sf:#fff;--tx:#1e293b;--txl:#64748b;--bd:#e2e8f0;--code:#1e293b;--sh:0 4px 6px -1px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box;caret-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,sans-serif;background:var(--bg);color:var(--tx);line-height:1.8}.nav{position:fixed;top:0;left:0;right:0;background:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid var(--bd);z-index:1000;padding:0 2.5rem;display:flex;align-items:center;justify-content:space-between;height:56px}.nav-left{display:flex;align-items:center;gap:1.5rem}.nav-brand{font-size:1.3rem;font-weight:700;color:var(--pri);white-space:nowrap;text-decoration:none}.nav-brand:hover{color:var(--pri2)}.nav-right{display:flex;align-items:center;gap:.25rem}.nav-icon{background:none;border:none;cursor:pointer;font-size:1.15rem;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--txl);transition:all .2s;text-decoration:none}.nav-icon:hover{background:var(--bd);color:var(--tx)}.main{margin-top:56px;padding:2.5rem;max-width:1200px;margin-left:auto;margin-right:auto}.hero{background:linear-gradient(135deg,#7c3aed,#2563eb);color:#fff;padding:2.5rem 3rem;border-radius:1.2rem;margin-bottom:2.5rem;position:relative;overflow:hidden;text-align:center}.hero:before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:#ffffff1a;border-radius:50%}.hero:after{content:"";position:absolute;bottom:-30%;left:-10%;width:300px;height:300px;background:#ffffff14;border-radius:50%}.hero h1{font-size:2.4rem;margin-bottom:.8rem;position:relative;z-index:1}.hero p{font-size:1.1rem;opacity:.9;max-width:700px;margin:0 auto;position:relative;z-index:1}.badge{display:inline-block;background:#fff3;padding:.3rem 1rem;border-radius:9999px;font-size:.85rem;margin-bottom:1.2rem}section{background:var(--sf);border-radius:1rem;padding:2.2rem;margin-bottom:1.8rem;box-shadow:var(--sh)}section h2{font-size:1.5rem;margin-bottom:1.2rem;color:var(--pri);display:flex;align-items:center;gap:.6rem;padding-bottom:.8rem;border-bottom:2px solid var(--bd)}section h2 .ic{width:36px;height:36px;background:var(--pri);color:#fff;border-radius:.5rem;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}h3{font-size:1.15rem;margin:1.8rem 0 .8rem}p{margin-bottom:.8rem}.cg{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;margin:1.2rem 0}.cd{background:var(--bg);border:1px solid var(--bd);border-radius:.8rem;padding:1.5rem;transition:all .3s;cursor:pointer;text-decoration:none;color:inherit;display:block}.cd:hover{transform:translateY(-4px);box-shadow:0 12px 20px -8px #00000026;border-color:var(--pri)}.ci{width:48px;height:48px;background:var(--pri);color:#fff;border-radius:.6rem;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:.8rem}.cd h4{margin:0 0 .4rem;color:var(--tx);font-size:1.1rem}.cd p{margin:0 0 .6rem;color:var(--txl);font-size:.85rem}.cd .tag{display:inline-block;padding:.15rem .5rem;border-radius:9999px;font-size:.72rem;font-weight:600;margin-right:.35rem;margin-top:.3rem}.tag-b{background:#dbeafe;color:#1d4ed8}.tag-g{background:#dcfce7;color:#16a34a}.tag-y{background:#fef3c7;color:#d97706}.tag-r{background:#fee2e2;color:#dc2626}.tag-p{background:#f3e8ff;color:#7c3aed}.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem;margin:1.2rem 0}.about-item{padding:1.2rem;border-radius:.8rem;border:1px solid var(--bd);text-align:center}.about-item .icon{font-size:2rem;margin-bottom:.5rem}.about-item h4{margin:0 0 .4rem;color:var(--tx)}.about-item p{margin:0;color:var(--txl);font-size:.85rem}.quote{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-left:4px solid var(--pri);padding:1.5rem 2rem;border-radius:0 .8rem .8rem 0;margin:1.5rem 0;font-style:italic}.quote p{margin:0;font-size:1rem;color:var(--txl)}.quote .author{text-align:right;margin-top:.5rem;font-style:normal;font-size:.85rem;color:var(--pri);font-weight:600}footer{text-align:center;padding:2rem;color:var(--txl);font-size:.85rem}@media(max-width:768px){.hero h1{font-size:1.6rem}.hero{padding:2.5rem 1.5rem}.nav{padding:.8rem 1rem}.main{padding:1rem}.cg{grid-template-columns:1fr}}html.dark{--pri:#60a5fa;--pri2:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--bg:#0f172a;--sf:#1e293b;--tx:#e2e8f0;--txl:#94a3b8;--bd:#334155;--code:#0f172a;--sh:0 4px 6px -1px rgba(0,0,0,.4)}html.dark .nav{background:#0f172af2;border-bottom-color:var(--bd)}html.dark .nav-icon:hover{background:var(--bd);color:var(--tx)}html.dark .hero{background:linear-gradient(135deg,#6d28d9,#1d4ed8)}html.dark .cd{background:var(--bg);border-color:var(--bd)}html.dark .cd:hover{border-color:var(--pri)}html.dark .tag-b{background:#1e3a5f;color:#60a5fa}html.dark .tag-g{background:#14532d;color:#4ade80}html.dark .tag-y{background:#422006;color:#fbbf24}html.dark .tag-r{background:#450a0a;color:#f87171}html.dark .tag-p{background:#3b0764;color:#c084fc}html.dark .about-item{border-color:var(--bd)}html.dark .quote{background:linear-gradient(135deg,#1e293b,#1e3a5f);border-left-color:var(--pri)}h4{font-size:1.05rem;margin:1.2rem 0 .6rem;color:var(--sec)}.fb{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-left:4px solid var(--pri);padding:1.2rem;margin:1.2rem 0;border-radius:0 .5rem .5rem 0;overflow-x:auto}.fb.hl{background:linear-gradient(135deg,#fef3c7,#fde68a);border-left-color:var(--warn)}.fb.ok{background:linear-gradient(135deg,#dcfce7,#bbf7d0);border-left-color:var(--ok)}table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.92rem}th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--bd)}th{background:var(--bg);font-weight:600}tr:hover{background:var(--bg)}pre{background:var(--code);color:#e2e8f0;padding:1.2rem;border-radius:.7rem;overflow-x:auto;margin:1.2rem 0;font-family:Fira Code,Consolas,monospace;font-size:.85rem;line-height:1.6}code{font-family:Fira Code,Consolas,monospace;background:var(--bg);padding:.15rem .35rem;border-radius:.2rem;font-size:.88em}pre code{background:none;padding:0}pre code.hljs{background:none;padding:0;display:inline}.ch{background:#334155;padding:.4rem 1rem;border-radius:.7rem .7rem 0 0;display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:#94a3b8;margin-bottom:0}.ch+pre{margin-top:0;border-radius:0 0 .7rem .7rem}.cl{background:var(--pri);color:#fff;padding:.15rem .45rem;border-radius:.2rem;font-size:.72rem}.acc{margin:1.2rem 0}.ai{border:1px solid var(--bd);border-radius:.5rem;margin-bottom:.4rem;overflow:hidden}.ah{background:var(--bg);padding:.8rem 1.2rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .2s}.ah:hover{background:var(--bd)}.ac{padding:0 1.2rem;max-height:0;overflow:hidden;transition:all .3s}.ai.active .ac{padding:.8rem 1.2rem 1.2rem;max-height:3000px}.ai.active .ah{background:var(--pri);color:#fff}.tl{position:relative;padding-left:1.8rem;margin:1.2rem 0}.tl:before{content:"";position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--pri)}.ti{position:relative;margin-bottom:1.2rem;padding-left:1.3rem}.ti:before{content:"";position:absolute;left:-1.8rem;top:.5rem;width:10px;height:10px;background:var(--pri);border-radius:50%;border:2px solid var(--bg);box-shadow:0 0 0 2px var(--pri)}.ti h4{margin:0 0 .4rem;color:var(--pri)}.cmp{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin:1.2rem 0}.cmpi{background:var(--bg);border-radius:.7rem;padding:1.2rem;border:1px solid var(--bd);overflow-x:auto}.cmpi h4{margin-top:0}.tip,.winfo,.ninfo{padding:1rem;border-radius:.7rem;margin:1.2rem 0;display:flex;gap:.8rem;align-items:flex-start}.tip{background:#dcfce7;border:1px solid #86efac}.winfo{background:#fef3c7;border:1px solid #fcd34d}.ninfo{background:#dbeafe;border:1px solid #93c5fd}.ti2,.wi2,.ii2{font-size:1.1rem;flex-shrink:0}.tag{display:inline-block;padding:.2rem .6rem;border-radius:9999px;font-size:.72rem;font-weight:600;margin-right:.4rem}ul,ol{margin:.8rem 0;padding-left:1.4rem}li{margin-bottom:.4rem}@media(max-width:768px){.cmp{grid-template-columns:1fr}}html.dark .fb{background:linear-gradient(135deg,#1e293b,#1e3a5f);border-left-color:var(--pri)}html.dark .fb.hl{background:linear-gradient(135deg,#422006,#713f12);border-left-color:var(--warn)}html.dark .fb.ok{background:linear-gradient(135deg,#14532d,#166534);border-left-color:var(--ok)}html.dark .cmpi{background:var(--bg);border-color:var(--bd)}html.dark .ai{border-color:var(--bd)}html.dark .ah{background:var(--bg)}html.dark .ah:hover{background:var(--bd)}html.dark .ai.active .ah{background:var(--pri)}html.dark .tip{background:#14532d;border-color:#166534}html.dark .winfo{background:#422006;border-color:#713f12}html.dark .ninfo{background:#1e3a5f;border-color:#1d4ed8}html.dark code{background:#334155}html.dark pre{background:#0f172a;border:1px solid #334155}html.dark .ch{background:#334155}html.dark th{background:var(--bg)}