.user-menu{margin-top:12px;padding-top:12px;border-top:1px solid var(--sidebar-border);display:flex;flex-direction:column;gap:6px}.user-name{padding:6px 12px;font-size:13px;font-weight:600;color:var(--sidebar-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-link{display:block;padding:6px 12px;color:var(--sidebar-text-secondary);font-size:13px;text-decoration:none;border-radius:6px;transition:background .15s}.user-link:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #FFFFFF;--bg-secondary: #F5F5F7;--bg-tertiary: #FFFFFF;--sidebar-bg: #F5F5F7;--sidebar-border: #D2D2D7;--sidebar-text: #1D1D1F;--sidebar-text-secondary: #86868B;--sidebar-hover: #EBEBED;--sidebar-active-bg: rgba(37, 99, 235, .1);--sidebar-active: #2563EB;--text-primary: #1A1A1A;--text-secondary: #6B6B6B;--text-tertiary: #9B9B9B;--accent: #2563EB;--accent-hover: #1D4ED8;--accent-light: rgba(37, 99, 235, .07);--gold: #C5961B;--gold-light: rgba(197, 150, 27, .08);--color-concept: #2563EB;--color-company: #47956A;--color-person: #C5961B;--color-lecture: #AF52DE;--color-speech: #3B82F6;--color-commentary: #F59E0B;--color-technology: #E0785F;--color-insight: #4A9EB8;--border: #DCDCDC;--border-light: #EAEAEA;--divider: #D0D0D0;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 14px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 28px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 20px;--sidebar-width: 250px;--disclaimer-h: 33px}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,PingFang SC,Hiragino Sans GB,sans-serif;font-size:15px;line-height:1.6;color:var(--text-primary);background:#f5f5f7;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;scroll-behavior:smooth}::selection{background:#2563eb2e;color:var(--text-primary)}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}.disclaimer-bar{position:fixed;top:0;left:0;right:0;z-index:200;background:#fef3c7;border-bottom:1px solid #FCD34D;color:#92400e;font-size:12px;font-weight:500;text-align:center;padding:6px 16px;letter-spacing:.01em}.app{display:flex;min-height:100vh;padding-top:var(--disclaimer-h)}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);position:fixed;top:var(--disclaimer-h);left:0;bottom:0;display:flex;flex-direction:column;overflow:hidden;z-index:100}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.sidebar-header{padding:20px 16px 16px;border-bottom:1px solid var(--border-light);flex:0 0 auto}.logo{display:flex;align-items:center;gap:8px;color:var(--text-primary)!important;font-size:16px;font-weight:700;letter-spacing:-.02em}.logo-icon{font-size:20px}.sidebar-nav{padding:4px 8px;flex:1 1 auto;overflow-y:auto}.nav-group{margin-top:4px}.nav-label{display:block;padding:10px 12px 5px;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--sidebar-text-secondary);letter-spacing:.5px}.nav-item{display:flex;align-items:center;justify-content:space-between;padding:9px 14px;color:var(--sidebar-text);font-size:15px;border-radius:var(--radius-sm);transition:all .15s}.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.nav-item.router-link-active,.nav-item.router-link-exact-active{background:var(--sidebar-active-bg);color:var(--sidebar-active);font-weight:500}.nav-count{font-size:11px;color:var(--text-tertiary);font-weight:400;background:#0000000a;padding:1px 7px;border-radius:10px}.sidebar-bottom{flex:0 0 auto;padding:12px;border-top:1px solid var(--sidebar-border);background:var(--sidebar-bg)}.nav-ai{display:flex;align-items:center;gap:8px;padding:11px 14px;background:linear-gradient(135deg,#f59e0b1a,#fbbf241a);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-sm);color:#d97706;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s ease}.nav-ai-inline{margin:8px 0 10px}.nav-ai:hover{background:linear-gradient(135deg,#f59e0b33,#fbbf2433);border-color:#d97706;transform:translateY(-1px);box-shadow:0 2px 12px #f59e0b4d;color:#d97706}.nav-ai.router-link-active{background:linear-gradient(135deg,#f59e0b40,#fbbf2440);border-color:#d97706}.nav-ai-icon{font-size:18px}.nav-ai-text{flex:1}.nav-ai-badge{font-size:9px;font-weight:700;background:#f59e0b;color:#fff;padding:2px 6px;border-radius:8px;letter-spacing:.5px}.content{margin-left:var(--sidebar-width);flex:1;padding:32px 40px;max-width:calc(var(--sidebar-width) + 860px);background:var(--bg-primary);min-height:100vh}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}.stat-card{background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:14px;text-align:center;transition:all .25s ease;cursor:pointer;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-md) var(--radius-md) 0 0}.stat-card:nth-child(1):before{background:var(--color-lecture)}.stat-card:nth-child(2):before{background:var(--color-concept)}.stat-card:nth-child(3):before{background:var(--color-company)}.stat-card:nth-child(4):before{background:var(--color-technology)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-number{font-size:36px;font-weight:700;letter-spacing:-.03em;color:var(--text-primary)}.stat-main{display:flex;align-items:center;justify-content:center;gap:8px}.stat-icon{font-size:28px}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}.card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;margin-bottom:16px;transition:box-shadow .2s}.card:hover{box-shadow:var(--shadow-sm)}.card-title{font-size:17px;font-weight:700;margin-bottom:16px;color:var(--text-primary);padding-bottom:12px;border-bottom:1px solid var(--border-light)}.tag{display:inline-flex;align-items:center;padding:3px 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32px;background:linear-gradient(135deg,#fbfbfd,#f5f5f7);border-radius:var(--radius-lg);border:1px solid var(--border-light)}.hero-title{font-size:32px;font-weight:700;letter-spacing:-.03em;color:var(--text-primary);margin-bottom:6px}.hero-subtitle{font-size:16px;color:var(--text-secondary);font-weight:400}.mobile-topbar,.sidebar-overlay{display:none}@media(max-width:1024px){:root{--sidebar-width: 200px}.content{padding:24px}}@media(max-width:768px){:root{--disclaimer-h: 48px}.mobile-topbar{display:flex;align-items:center;gap:12px;position:fixed;top:var(--disclaimer-h);left:0;right:0;height:52px;padding:0 16px;z-index:150;background:var(--sidebar-bg);border-bottom:1px solid var(--sidebar-border)}.mobile-topbar-btn{font-size:22px;line-height:1;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:4px 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