:root {
            --accent: #6D28D9;
            --accent-light: #EDE9FE;
            --text-dark: #0F172A;
            --text-muted: #64748B;
            --bg-aside: #F5F3FF;
            --bg-main: #FFFFFF;
            --border-line: #E2E8F0;
            --card-bg: #FFFFFF;
            --hover-shadow: 0 12px 28px rgba(109,40,217,0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;color:var(--text-dark);background:var(--bg-main);line-height:1.6}
        .app-container{display:flex;min-height:100vh}
        aside{width:320px;background:var(--bg-aside);border-right:1px solid var(--border-line);padding:40px 28px;display:flex;flex-direction:column;justify-content:space-between;position:fixed;top:0;bottom:0;left:0;z-index:10;overflow-y:auto}
        .brand-section .logo-link{font-size:24px;font-weight:800;color:var(--accent);text-decoration:none;display:flex;align-items:center;gap:10px;letter-spacing:-0.5px}
        .brand-section .logo-link img{filter:drop-shadow(0 2px 4px rgba(109,40,217,0.2))}
        .site-intro{font-size:13px;color:var(--text-muted);margin-top:16px;text-align:justify;line-height:1.7}
        .side-nav{margin-top:36px}
        .side-nav ul{list-style:none;display:flex;flex-direction:column;gap:8px}
        .side-nav a{display:flex;align-items:center;justify-content:space-between;text-decoration:none;color:#374151;font-weight:600;font-size:14px;padding:12px 16px;border-radius:var(--radius-sm);transition:all 0.2s}
        .side-nav a:hover,.side-nav a.active{background:#fff;color:var(--accent);box-shadow:0 4px 14px rgba(109,40,217,0.05)}
        .side-nav a::after{content:"→";opacity:0;transform:translateX(-6px);transition:all 0.2s;font-weight:400}
        .side-nav a:hover::after,.side-nav a.active::after{opacity:1;transform:translateX(0)}
        .aside-meta{font-size:12px;color:#94a3b8;border-top:1px solid var(--border-line);padding-top:24px}
        .aside-meta a{color:var(--text-muted);text-decoration:none;display:inline-block;margin-bottom:6px;transition:color 0.2s}
        .aside-meta a:hover{color:var(--accent)}
        .aside-meta p{margin-top:10px;line-height:1.5}
        main{margin-left:320px;flex:1;padding:60px 80px;max-width:1120px}
        .breadcrumb-trail{font-size:13px;color:var(--text-muted);margin-bottom:28px}
        .breadcrumb-trail a{color:var(--text-muted);text-decoration:none}
        .breadcrumb-trail a:hover{color:var(--accent)}
        .view-header{margin-bottom:48px}
        .view-header h1{font-size:42px;font-weight:800;letter-spacing:-1px;color:#0F172A;line-height:1.2;margin-bottom:14px;background:linear-gradient(135deg,#6D28D9 0%,#4F46E5 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
        .view-header p{font-size:19px;color:var(--text-muted);font-weight:400}
        .system-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:56px}
        .matrix-card{border:1px solid var(--border-line);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color 0.2s,box-shadow 0.2s;background:var(--card-bg)}
        .matrix-card:hover{border-color:var(--accent);box-shadow:var(--hover-shadow)}
        .matrix-top h2{font-size:19px;font-weight:700;color:#1E293B;margin-bottom:10px;display:flex;align-items:center;gap:10px}
        .matrix-top p{font-size:14px;color:var(--text-muted);line-height:1.6}
        .matrix-btn{margin-top:22px;display:inline-flex;align-items:center;justify-content:center;background:#F1F5F9;color:#475569;text-decoration:none;padding:12px 18px;border-radius:8px;font-size:14px;font-weight:600;width:100%;text-align:center;transition:all 0.2s}
        .matrix-card:hover .matrix-btn{background:var(--accent);color:#fff}
        .section-title{font-size:28px;font-weight:800;color:#1E293B;margin-bottom:24px;letter-spacing:-0.5px;display:flex;align-items:center;gap:10px}
        .quick-start-flow{margin-bottom:56px;padding:40px 0;border-top:1px solid var(--border-line);border-bottom:1px solid var(--border-line)}
        .flow-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
        .flow-item{background:var(--card-bg);border:1px solid var(--border-line);border-radius:var(--radius-md);padding:28px;position:relative;transition:all 0.2s}
        .flow-item:hover{border-color:var(--accent);box-shadow:var(--hover-shadow)}
        .flow-num{font-size:38px;font-weight:800;color:var(--accent);opacity:0.12;position:absolute;top:18px;right:20px;line-height:1}
        .flow-item h3{font-size:20px;font-weight:700;color:#0F172A;margin-bottom:12px}
        .flow-item p{font-size:15px;color:var(--text-muted);line-height:1.7}
        .channel-community{margin-bottom:56px;background:var(--accent-light);border-radius:var(--radius-md);padding:48px 40px}
        .channel-intro{font-size:16px;color:#4B5563;margin-bottom:32px;max-width:720px}
        .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .channel-card{background:#fff;border-radius:var(--radius-sm);padding:28px;box-shadow:0 4px 14px rgba(109,40,217,0.04);transition:all 0.25s;border:1px solid transparent}
        .channel-card:hover{border-color:var(--accent);box-shadow:0 16px 30px rgba(109,40,217,0.1);transform:translateY(-4px)}
        .channel-icon{font-size:44px;margin-bottom:16px}
        .channel-card h3{font-size:20px;font-weight:700;color:#0F172A;margin-bottom:10px}
        .channel-card .stat{font-size:13px;color:#6B7280;margin-bottom:12px;display:flex;gap:16px}
        .channel-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:20px}
        .channel-link{display:inline-flex;align-items:center;gap:4px;color:var(--accent);text-decoration:none;font-weight:600;font-size:14px;transition:opacity 0.2s}
        .channel-link:hover{opacity:0.8}
        .resource-hub{margin-bottom:56px}
        .hub-intro{font-size:16px;color:var(--text-muted);margin-bottom:30px;max-width:700px}
        .hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .hub-card{background:var(--card-bg);border:1px solid var(--border-line);border-radius:var(--radius-md);padding:30px;transition:all 0.2s;display:flex;flex-direction:column}
        .hub-card:hover{border-color:var(--accent);box-shadow:var(--hover-shadow)}
        .hub-icon{font-size:40px;margin-bottom:16px}
        .hub-card h3{font-size:20px;font-weight:700;color:#0F172A;margin-bottom:12px}
        .hub-card p{font-size:15px;color:var(--text-muted);line-height:1.7;flex:1;margin-bottom:20px}
        .hub-link{display:inline-block;color:var(--accent);text-decoration:none;font-weight:600;font-size:15px;transition:opacity 0.2s;align-self:flex-start}
        .hub-link:hover{opacity:0.8}
        .friendly-links{margin-bottom:56px;padding:40px 0;border-top:1px solid var(--border-line)}
        .links-intro{font-size:16px;color:var(--text-muted);margin-bottom:24px}
        .links-list{display:flex;flex-wrap:wrap;gap:14px}
        .friend-link{background:#F1F5F9;color:#374151;text-decoration:none;padding:10px 20px;border-radius:24px;font-size:15px;font-weight:500;transition:all 0.2s}
        .friend-link:hover{background:var(--accent);color:#fff}
        .deep-content{border-top:1px solid var(--border-line);padding-top:48px}
        .deep-content h2{font-size:26px;font-weight:800;color:#111827;margin-top:40px;margin-bottom:18px;letter-spacing:-0.5px}
        .deep-content h3{font-size:20px;font-weight:700;color:#1E293B;margin-top:28px;margin-bottom:12px}
        .deep-content p{font-size:16px;color:#334155;margin-bottom:20px;text-align:justify;line-height:1.8}
        .deep-content ul{margin-left:22px;margin-bottom:22px;color:#334155;font-size:16px}
        .deep-content li{margin-bottom:10px}
        .deep-content a{color:var(--accent);text-decoration:none;font-weight:500}
        .deep-content a:hover{text-decoration:underline}
        @media(max-width:1024px){
            aside{width:260px;padding:30px 20px}
            main{margin-left:260px;padding:40px 40px}
            .system-matrix,.flow-cards,.hub-grid,.channel-grid{grid-template-columns:1fr}
        }
        @media(max-width:768px){
            .app-container{flex-direction:column}
            aside{width:100%;position:relative;border-right:none;border-bottom:1px solid var(--border-line);padding:24px 20px}
            .side-nav{margin-top:18px}
            .side-nav ul{flex-direction:row;flex-wrap:wrap;gap:10px}
            .side-nav a{padding:8px 14px;font-size:13px}
            .side-nav a::after{display:none}
            main{margin-left:0;padding:28px 20px}
            .view-header h1{font-size:30px}
        }