@import "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap";:root{--primary:#6b5ce7;--primary-light:#8b7ff0;--primary-dark:#5248c4;--primary-bg:#f0eeff;--accent:#e8985a;--accent-light:#f0b07a;--success:#4ecb71;--warning:#f5a623;--danger:#e74c5e;--bg:#f8f7fc;--bg-card:#fff;--bg-sidebar:#2d2b3d;--text:#2c2c3e;--text-secondary:#6e6e82;--text-light:#a0a0b4;--border:#e8e6f0;--shadow-sm:0 1px 3px #6b5ce714;--shadow-md:0 4px 12px #6b5ce71a;--shadow-lg:0 8px 30px #6b5ce71f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--transition:all .2s ease;--font-serif:"Noto Serif SC", serif;--font-sans:"Noto Sans SC", -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-light)}.app{min-height:100vh;display:flex}.sidebar{background:var(--bg-sidebar);color:#fff;z-index:100;flex-direction:column;width:240px;height:100vh;padding:24px 0;transition:transform .3s;display:flex;position:fixed;top:0;left:0}.sidebar-logo{margin-bottom:36px;padding:0 24px}.sidebar-logo h1{font-family:var(--font-serif);letter-spacing:1px;color:#fff;font-size:1.25rem;font-weight:600}.sidebar-logo p{color:#ffffff80;margin-top:4px;font-size:.75rem}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:0 12px;display:flex}.nav-item{border-radius:var(--radius-sm);color:#ffffffa6;transition:var(--transition);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 16px;font-size:.9rem;font-weight:400;text-decoration:none;display:flex}.nav-item:hover{color:#fff;background:#ffffff14}.nav-item.active{background:var(--primary);color:#fff;font-weight:500}.nav-item svg{flex-shrink:0;width:18px;height:18px}.sidebar-footer{color:#ffffff59;border-top:1px solid #ffffff1a;padding:16px 24px;font-size:.75rem}.main-content{flex:1;max-width:calc(100vw - 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