:root{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--accent: #0ea5e9;--bg-deep: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-surface: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border: #e2e8f0;--glow: rgba(37, 99, 235, .15);--gradient-1: linear-gradient(135deg, #2563eb, #0ea5e9);--gradient-2: linear-gradient(135deg, #1d4ed8, #2563eb);--shadow-card: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .03);--shadow-card-hover: 0 10px 25px -5px rgba(0, 0, 0, .08), 0 4px 10px -2px rgba(0, 0, 0, .04);--shadow-glow: 0 4px 20px rgba(37, 99, 235, .15);--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg-deep);color:var(--text-primary);line-height:1.75;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse 600px 400px at 80% 0%,rgba(37,99,235,.03),transparent),radial-gradient(ellipse 400px 300px at 20% 100%,rgba(14,165,233,.02),transparent);pointer-events:none;z-index:0}#app{position:relative;z-index:1}a{color:var(--primary);text-decoration:none;transition:color .3s}a:hover{color:var(--primary-dark)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#94a3b880;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8b3}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card);transition:all .2s ease}.card:hover{border-color:#2563eb26;box-shadow:var(--shadow-card-hover);transform:translateY(-1px)}.btn-gradient{background:var(--gradient-1);color:#fff;border:none;padding:10px 28px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1)}.btn-gradient:hover{opacity:.95;box-shadow:0 4px 16px #2563eb59;transform:translateY(-1px)}.tag{display:inline-block;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:500;background:#2563eb0f;color:var(--primary);border:none;transition:all .15s}.tag:hover{background:#2563eb1f;color:var(--primary-dark)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.page-content{display:flex;gap:24px;padding:24px 0}.main-content{flex:1;min-width:0}.sidebar{width:300px;flex-shrink:0}.page-title{font-size:26px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.fade-in{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.page-content{flex-direction:column}.sidebar{width:100%}}