html{font-size:16px;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}:root{--background: #ffffff;--foreground: #171717;--primary-color: #2c6fb7;--mean-color: #c0392b;--candidate-color: #27ae60}*{box-sizing:border-box}body{background:var(--background);color:var(--foreground);font-family:Microsoft YaHei,sans-serif;margin:0;padding:0;line-height:1.6;overflow-x:hidden}.app-container{min-height:100vh;display:flex;flex-direction:column;background:#fff;width:100%}.content-wrapper{flex:1;width:100%;margin:0 auto;padding:12px;box-sizing:border-box;overflow-x:hidden}.main-title{font-size:1.1rem;font-weight:700;text-align:center;margin-bottom:6px;line-height:1.4;word-break:break-word}.section-title{font-size:1rem;font-weight:600;text-align:center;margin:16px 0 10px}.math-text{font-size:.8rem;text-align:center;line-height:1.7;margin:3px 0;padding:0 4px;word-break:break-word}.control-panel{display:flex;justify-content:center;margin:12px 0;padding:0 4px}.control-label{display:flex;flex-direction:row;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;background:#f2f5f8;padding:12px 16px;border-radius:8px;font-size:.85rem;text-align:center;width:100%}.slider-input{width:140px;max-width:50vw;height:8px;background:#e5e7eb;border-radius:4px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:28px;height:28px;background:var(--primary-color);border-radius:50%;cursor:pointer;-webkit-transition:all .15s ease;transition:all .15s ease}.slider-input::-webkit-slider-thumb:hover{background:#1e5a9e;transform:scale(1.1)}.slider-input::-moz-range-thumb{width:28px;height:28px;background:var(--primary-color);border-radius:50%;cursor:pointer;border:none}.info-grid{display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:center;gap:6px;margin:12px 0 16px;padding:0 4px}.info-box{background:#f7f9fb;border-left:4px solid var(--primary-color);padding:6px 8px;flex:1;font-size:.7rem;text-align:center}.chart-grid{display:flex;flex-direction:column;gap:16px;align-items:center;width:100%}.chart-container{text-align:center;width:100%;padding:0 4px}.chart-title{font-size:.85rem;font-weight:600;margin-bottom:6px}.chart-svg{display:block;width:100%;height:auto;border:1px solid #ddd;background:#fff;border-radius:4px;touch-action:pan-x pan-y pinch-zoom}.chart-note{font-size:.7rem;color:#555;text-align:center;margin-top:12px;padding:0 8px;line-height:1.5}.footer{width:100%;text-align:center;padding:10px 12px;margin-top:16px;font-size:11px;color:#666;background:#f9fafb;font-family:Microsoft YaHei,sans-serif}@media(min-width:640px){.content-wrapper{max-width:1200px;padding:20px}.main-title{font-size:1.4rem}.section-title{font-size:1.1rem}.math-text{font-size:.875rem}.control-label{width:auto}.slider-input{width:260px;max-width:260px}.info-grid{gap:16px}.info-box{min-width:160px;font-size:.875rem;padding:10px 16px}.chart-grid{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:24px}.chart-container{width:auto;max-width:520px}}@media(min-width:1024px){.main-title{font-size:1.6rem}.chart-note{font-size:.8rem}.footer{font-size:14px}}