*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #4e79a7;--color-secondary: #f28e2c;--color-success: #59a14f;--color-danger: #e15759;--color-warning: #edc949;--color-info: #76b7b2;--color-text-primary: #1a1a2e;--color-text-secondary: #666666;--color-text-muted: #999999;--color-bg-primary: #ffffff;--color-bg-secondary: #f5f7fa;--color-bg-tertiary: #e8ebef;--color-border: #e0e0e0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 1px 3px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);color:var(--color-text-primary);background:var(--color-bg-secondary);line-height:1.5}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-muted)}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.card{background:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:1px solid transparent;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:#3e6084}.btn-secondary{background:#fff;border-color:var(--color-border);color:var(--color-text-primary)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-secondary)}.chart-container{position:relative;width:100%;height:100%;min-height:200px}.chart-svg{font-family:var(--font-family);overflow:visible}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb{background:silver;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a0a0a0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease}.animate-slide-up{animation:slideUp .4s ease}