:root{--primary: #38BDF8;--primary-dark: #0EA5E9;--primary-light: #7DD3FC;--primary-bg: #F0F9FF;--secondary: #60A5FA;--secondary-light: #93C5FD;--accent: #00D4AA;--accent-dark: #00B894;--success: #27AE60;--warning: #F39C12;--danger: #E74C3C;--info: #3498DB;--bg: #F8FAFC;--bg-card: #FFFFFF;--bg-sidebar: #38BDF8;--bg-sidebar-hover: #0EA5E9;--bg-sidebar-active: #FFFFFF;--border: #E2E8F0;--border-light: #F1F5F9;--text: #1E293B;--text-secondary: #64748B;--text-light: #94A3B8;--text-white: #FFFFFF;--text-sidebar: #FFFFFF;--text-sidebar-active: #0EA5E9;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 30px rgba(0,0,0,.12);--shadow-xl: 0 20px 60px rgba(0,0,0,.15);--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-xl: 24px;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 260px;--topbar-height: 64px}[data-theme=dark]{--primary: #1E3A5F;--primary-dark: #152940;--primary-light: #2C5282;--primary-bg: #0A1628;--secondary: #2C5282;--accent: #00E4AA;--bg: #0F172A;--bg-card: #1E293B;--bg-sidebar: #0B1120;--bg-sidebar-hover: #1E293B;--bg-sidebar-active: #1E3A5F;--border: #334155;--border-light: #1E293B;--text: #E2E8F0;--text-secondary: #94A3B8;--text-light: #64748B;--text-white: #FFFFFF;--text-sidebar: #94A3B8;--text-sidebar-active: #FFFFFF;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 30px rgba(0,0,0,.5);--shadow-xl: 0 20px 60px rgba(0,0,0,.6)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:14px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;transition:background-color .3s ease,color .3s ease}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;display:block}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,textarea,select{font-family:inherit;outline:none}.fade-enter-active,.fade-leave-active{transition:opacity .25s ease}.fade-enter-from,.fade-leave-to{opacity:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 20px;border-radius:var(--radius);font-size:.88rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);white-space:nowrap;cursor:pointer;border:1px solid transparent;-webkit-user-select:none;user-select:none;line-height:1.4}.btn-sm{padding:6px 14px;font-size:.82rem}.btn-lg{padding:12px 32px;font-size:1rem}.btn-block{width:100%;display:flex}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 2px 4px #38bdf840,0 4px 12px #38bdf833,inset 0 1px #fff3;border:none}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary) 100%);transform:translateY(-1px);box-shadow:0 4px 8px #38bdf84d,0 8px 24px #38bdf84d,inset 0 1px #ffffff40}.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px #38bdf840,inset 0 1px 2px #0000001a}.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:0 1px 2px #0000000a,0 2px 6px #0000000a}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-bg);box-shadow:0 1px 2px #4a6cf714,0 4px 12px #4a6cf71f;transform:translateY(-1px)}.btn-outline:active{transform:translateY(0);box-shadow:0 1px 2px #0000000a}.btn-success{background:linear-gradient(135deg,#00d4aa,#27ae60);color:#fff;border:none;box-shadow:0 2px 4px #00d4aa40,0 4px 12px #00d4aa33}.btn-success:hover{transform:translateY(-1px);box-shadow:0 4px 8px #00d4aa4d,0 8px 24px #00d4aa40}.btn-danger{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:none;box-shadow:0 2px 4px #e74c3c40,0 4px 12px #e74c3c33}.btn-danger:hover{transform:translateY(-1px);box-shadow:0 4px 8px #e74c3c4d,0 8px 24px #e74c3c40}