:root{--bg: #0a0a12;--bg-card: rgba(18, 18, 35, .6);--bg-sidebar: rgba(12, 12, 25, .65);--text: #e4e4e7;--text-muted: #9ca3af;--accent: #6366f1;--accent-light: #818cf8;--accent-glow: rgba(99, 102, 241, .3);--gradient-start: #6366f1;--gradient-mid: #a855f7;--gradient-end: #ec4899;--border: rgba(255, 255, 255, .08);--glass-blur: blur(20px);--glass-shine: inset 0 1px 0 rgba(255, 255, 255, .08);--sidebar-width: 260px}.light{--bg: #f0f2f8;--bg-card: rgba(255, 255, 255, .55);--bg-sidebar: rgba(255, 255, 255, .6);--text: #18181b;--text-muted: #6b7280;--accent: #4f46e5;--accent-light: #6366f1;--accent-glow: rgba(79, 70, 229, .15);--gradient-start: #4f46e5;--gradient-mid: #9333ea;--gradient-end: #db2777;--border: rgba(255, 255, 255, .5);--glass-blur: blur(16px);--glass-shine: inset 0 1px 0 rgba(255, 255, 255, .6)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Noto Sans SC,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;overflow-x:hidden}a{color:var(--accent-light);text-decoration:none;transition:color .2s}a:hover{color:var(--gradient-end)}.particles-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}.topbar{position:sticky;top:0;z-index:100;background:var(--bg-sidebar);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--border);padding:.5rem 3rem}.topbar-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.topbar-left{display:flex;align-items:center;gap:1rem;position:relative}.topbar-right{display:flex;align-items:center;gap:.5rem}.topbar-home{display:flex;align-items:center;color:var(--text-muted);transition:color .2s}.topbar-home:hover{color:var(--accent-light)}.topbar-search{display:flex;align-items:center;gap:.5rem;background:#ffffff0d;border:1px solid var(--border);border-radius:10px;padding:.5rem 1rem;color:var(--text-muted);transition:border-color .2s,box-shadow .2s}.topbar-search:focus-within{border-color:var(--accent-light);box-shadow:0 0 12px var(--accent-glow)}.topbar-search input{background:none;border:none;outline:none;color:var(--text);font-size:.88rem;width:240px;font-family:inherit}.topbar-search input::placeholder{color:var(--text-muted)}.topbar-btn{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:#ffffff08;color:var(--text-muted);cursor:pointer;font-size:.75rem;font-family:inherit;font-weight:600;padding:0 .5rem;transition:all .2s;text-decoration:none}.topbar-btn:hover{border-color:var(--accent-light);color:var(--accent-light)}.topbar-btn.active{border-color:var(--accent-light);color:var(--accent-light);background:#6366f11a}.topbar-fontsize{display:flex;gap:.25rem}.search-results{display:none;position:absolute;top:100%;left:0;width:420px;max-height:360px;overflow-y:auto;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(40px) saturate(1.5);-webkit-backdrop-filter:blur(40px) saturate(1.5);border:1px solid var(--border);border-radius:12px;margin-top:.4rem;padding:.4rem;box-shadow:0 12px 40px #0003;scrollbar-width:thin}.search-results.active{display:block}.search-result-item{display:block;padding:.6rem .75rem;border-radius:8px;color:var(--text);text-decoration:none;transition:background .15s}.search-result-item:hover{background:color-mix(in srgb,var(--accent) 8%,transparent);color:var(--text)}.search-result-item .result-title{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-item .result-desc{font-size:.73rem;color:var(--text-muted);margin-top:.15rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-no-result{padding:.75rem;text-align:center;color:var(--text-muted);font-size:.82rem}.layout{position:relative;z-index:1;display:flex;align-items:flex-start;max-width:1400px;margin:0 auto;min-height:calc(100vh - 49px);padding:1.5rem 3rem;gap:1rem}.sidebar{position:sticky;top:2rem;width:var(--sidebar-width);height:calc(100vh - 4rem);flex-shrink:0;z-index:10;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.15) transparent}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:#00000026;border-radius:4px}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--accent)}.sidebar-inner{display:flex;flex-direction:column;height:100%;gap:1rem}.sidebar-card{padding:1.5rem;background:var(--bg-sidebar);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 12px #0000000f,var(--glass-shine)}.sidebar-card-nav{flex-shrink:0}.sidebar-card-profile{display:flex;flex-direction:column}.sidebar-brand{text-align:center;margin-bottom:1rem;position:relative}.brand-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120px;height:120px;background:radial-gradient(circle,var(--accent-glow),transparent);border-radius:50%;filter:blur(20px);pointer-events:none}.sidebar-brand a{position:relative;font-size:1.7rem;font-weight:900;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-mid),var(--gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.brand-sub{font-family:Orbitron,monospace;font-size:.65rem;color:var(--text-muted);letter-spacing:.2em;margin-top:.25rem;opacity:.7}.sidebar-nav{display:flex;flex-direction:column;gap:.2rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.65rem 1rem;border-radius:12px;color:var(--text-muted);font-weight:500;font-size:.9rem;transition:all .25s ease;position:relative;overflow:hidden}.nav-item:before{content:"";position:absolute;left:0;top:0;width:100%;height:100%;background:linear-gradient(135deg,#ffffff14,#ffffff05);opacity:0;transition:opacity .25s;border-radius:12px}.nav-item:hover:before{opacity:1}.nav-item:hover{color:var(--text);transform:translate(4px);box-shadow:0 2px 12px var(--accent-glow)}.nav-item span{position:relative;z-index:1}.nav-icon{width:18px;height:18px;flex-shrink:0}.theme-icon{width:16px;height:16px;flex-shrink:0}.sidebar-profile{text-align:center;padding:.5rem 0;display:flex;flex-direction:column;align-items:center}.profile-avatar-ring{width:80px;height:80px;margin:0 auto .75rem;border-radius:50%;padding:3px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-mid),var(--gradient-end));animation:spin 8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.profile-avatar{width:100%;height:100%;border-radius:50%;object-fit:cover;animation:spin 8s linear infinite reverse}.profile-name{font-weight:700;font-size:.9rem;margin-bottom:.2rem}.profile-bio{font-size:.75rem;color:var(--text-muted);font-style:italic;margin-bottom:.75rem}.profile-stats{display:flex;justify-content:space-around;margin-bottom:.75rem;padding:.6rem .5rem}.stat-item{display:flex;flex-direction:column;align-items:center;gap:.2rem;color:var(--text);transition:color .2s}.stat-item+.stat-item{position:relative;padding-left:1rem;margin-left:1rem}.stat-item+.stat-item:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:26px;background:#0000001f}.stat-item:hover{color:var(--accent-light)}.stat-num{font-size:1rem;font-weight:700;color:var(--accent-light)}.stat-label{font-size:.75rem;color:var(--text-muted)}.profile-links{display:flex;justify-content:center;gap:.75rem}.profile-link{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--border);background:#ffffff08;color:var(--text-muted);transition:all .25s;box-shadow:var(--glass-shine)}.profile-link:hover{border-color:#fff3;color:var(--accent-light);box-shadow:0 0 16px var(--accent-glow),var(--glass-shine);transform:translateY(-2px);background:#ffffff0f}.theme-toggle{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1rem;border-radius:12px;border:1px solid var(--border);background:#ffffff08;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text-muted);font-size:.8rem;cursor:pointer;transition:all .25s;font-family:inherit;box-shadow:var(--glass-shine)}.theme-toggle:hover{border-color:#ffffff26;color:var(--text);box-shadow:0 0 20px var(--accent-glow),var(--glass-shine);background:#ffffff0f}.main-wrapper{flex:1;display:flex;flex-direction:column;min-height:calc(100vh - 4rem);min-width:0}main{flex:1;width:100%;padding:1.5rem 2rem;background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 12px #0000000a,var(--glass-shine)}.footer{text-align:center;padding:2rem;color:var(--text-muted);font-size:.8rem;position:relative}.footer-glow{position:absolute;top:0;left:50%;transform:translate(-50%);width:200px;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}.footer-beian{margin-top:.4rem;font-size:.75rem;display:flex;align-items:center;justify-content:center;gap:.5rem;flex-wrap:wrap}.footer-beian a{color:var(--text-muted);transition:color .2s}.footer-beian a:hover{color:var(--accent-light)}.footer-divider{color:var(--text-muted);opacity:.5}.beian-gongan{display:inline-flex;align-items:center;gap:.3rem}.beian-icon{width:16px;height:16px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeInUp .6s ease-out forwards}.code-copy-btn{position:absolute;top:8px;right:8px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#ffffff0d;color:#fff6;cursor:pointer;opacity:0;transition:all .2s}pre:hover .code-copy-btn{opacity:1}.code-copy-btn:hover{color:#ffffffe6;background:#ffffff1a;border-color:#fff3}.mermaid-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;background:#000c;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;cursor:pointer}.mermaid-overlay-content{position:relative;width:90vw;height:90vh;overflow:hidden;background:#fff;border-radius:16px;cursor:default;display:flex;flex-direction:column}.mermaid-overlay-toolbar{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid #e5e7eb;justify-content:flex-end;flex-shrink:0}.mermaid-overlay-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:1px solid #e5e7eb;background:#f9fafb;color:#4b5563;cursor:pointer;transition:all .2s}.mermaid-overlay-btn:hover{background:#f3f4f6;border-color:#6366f1;color:#6366f1}.mermaid-overlay-svg-wrap{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;padding:2rem;transition:transform .15s ease;transform-origin:center center}.mermaid-overlay-svg-wrap svg{max-width:100%;max-height:100%}.mermaid-overlay-close:hover{background:#e5e7eb}@media (max-width: 768px){.layout{flex-direction:column;padding:1rem;gap:1rem}.sidebar{position:static;width:100%;height:auto}.sidebar-inner{flex-direction:row;flex-wrap:wrap;align-items:center;padding:1rem 1.5rem;height:auto;gap:1rem;border-radius:16px}.sidebar-brand{margin-bottom:0}.brand-glow,.brand-sub{display:none}.sidebar-nav{flex-direction:row;margin-bottom:0;gap:0}.nav-item{padding:.5rem .75rem;font-size:.8rem}.sidebar-profile{display:none}.theme-toggle{margin-top:0}main{padding:1rem}.particles-bg{display:none}}