:root{--safe-area-inset-top: env(safe-area-inset-top);--safe-area-inset-bottom: env(safe-area-inset-bottom)}*{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;display:flex;flex-direction:column;min-height:100vh;margin:0;background-color:#f0f4f8;padding:calc(10px + var(--safe-area-inset-top)) 0 calc(10px + var(--safe-area-inset-bottom));box-sizing:border-box}.page-container{flex:1;display:flex;justify-content:center;width:100%}.calculator{background:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 4px 6px #00000014;width:calc(100% - 32px);max-width:500px;margin:0 auto;overflow:hidden}.role-selector{margin:-1.5rem -1.5rem 1.5rem;padding:1rem 1.5rem;background:#f8fafc;border-bottom:1px solid #e2e8f0;display:flex;flex-direction:column}.role-selector select{width:100%;padding:.75rem 2.5rem .75rem .75rem;border:2px solid #e2e8f0;border-radius:8px;font-size:1rem;color:#2d3748;background-color:#fff;transition:border-color .3s;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232c5282' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1.25rem}.fttr-option{display:flex;margin:0 0 1.25rem;align-items:center;position:relative;border-radius:8px;overflow:hidden;background-color:#f8fafc;border:1px solid #e2e8f0;transition:all .2s ease}.fttr-option.checked{border-color:#2c5282;background-color:#2c528214;box-shadow:0 2px 8px #2c52821a}.fttr-option label{display:block;flex:1;margin-bottom:0;font-size:.95rem;cursor:pointer;padding:.75rem 1rem;transition:all .2s ease;position:relative;color:#2d3748;font-weight:500;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.fttr-option:active{transform:scale(.98)}.fttr-option .ripple{background:#2c528233}.fttr-option input[type=checkbox]:checked+label{color:#2c5282;font-weight:600}.fttr-option input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:1.4rem;height:1.4rem;border:2px solid #cbd5e0;border-radius:4px;margin-left:1rem;margin-right:.75rem;cursor:pointer;position:relative;background-color:#fff;transition:all .2s ease;order:2;box-shadow:0 2px 4px #0000000d}.fttr-option input[type=checkbox]:checked{background-color:#2c5282;border-color:#2c5282;box-shadow:0 2px 4px #2c528233}.fttr-option input[type=checkbox]:checked:after{content:"";position:absolute;width:.4rem;height:.7rem;border:solid white;border-width:0 2px 2px 0;top:50%;left:50%;transform:translate(-50%,-60%) rotate(45deg)}.fttr-option input[type=checkbox]:focus{outline:none;box-shadow:0 0 0 3px #2c528233}@media (hover: hover){.fttr-option:hover{background-color:#f1f5f9}.fttr-option.checked:hover{background-color:#2c52821a}}.fttr-option span{color:#2d3748;font-weight:500;flex:1;order:1}.role-selector select:focus{outline:none;border-color:#2c5282}.tabs{display:flex;margin:-1.5rem -1.5rem 1.5rem;background:#edf2f7;border-radius:12px 12px 0 0;position:relative;padding:8px}.tab-indicator{display:none}.tab{flex:1;padding:.875rem;text-align:center;background:transparent;border:none;color:#718096;font-size:1rem;font-weight:500;position:relative;transition:all .3s;border-radius:8px;margin:0 4px;-webkit-tap-highlight-color:transparent}.tab.active{color:#fff;background:#2c5282;font-weight:600}.content-wrapper{position:relative;width:100%;overflow:hidden}.content-slider{display:flex;width:200%;transform:translate(0);transition:transform .3s ease}.calculator-content{width:50%;flex-shrink:0}.content-slider.slide-left{transform:translate(-50%)}.title{background:linear-gradient(135deg,#1a365d,#2c5282);padding:1rem 1.5rem;border-radius:8px;text-align:center;margin-bottom:1.25rem;font-size:1.25rem;color:#fff;position:relative;overflow:hidden;box-shadow:0 4px 15px #2c528233;display:flex;align-items:center;justify-content:center}.title:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(45deg,rgba(255,255,255,.05) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.05) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(255,255,255,.05) 75%),linear-gradient(-45deg,transparent 75%,rgba(255,255,255,.05) 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}.title:after{content:"T";position:absolute;right:1rem;font-size:2.5rem;font-weight:700;opacity:.15;font-style:italic}#jiaBao .title:after{content:"J"}.input-group{margin:1.25rem 0;position:relative}label{display:block;margin-bottom:.5rem;color:#2d3748;font-weight:500;font-size:.95rem}.error-input{border-color:#e53e3e!important;border-width:1px!important;animation:shake .4s ease-in-out}.error-input::placeholder{color:#e53e3e;opacity:.9}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}input{width:100%;padding:.875rem;border:1px solid #e2e8f0;border-radius:8px;font-size:1.1rem;transition:border-color .3s,transform .2s;box-sizing:border-box;-webkit-appearance:none;background-color:#fff;color:#2d3748}input:focus{outline:none;border-color:#2c5282}input.focused{transform:scale(1.01)}.input-group{position:relative}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}button{background:linear-gradient(135deg,#2c5282,#1a365d);color:#fff;border:none;padding:1rem;width:100%;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;box-shadow:0 4px 15px #2c528233;position:relative;overflow:hidden}button:active{transform:scale(.98)}.ripple{position:absolute;background:#ffffff4d;border-radius:50%;transform:scale(0);animation:ripple .6s linear;pointer-events:none}@keyframes ripple{to{transform:scale(4);opacity:0}}.result{margin-top:1.25rem;padding:1rem;background:#f8fafc;border-radius:8px;border-left:4px solid #2c5282}.tip-message{margin-top:1.25rem;padding:.75rem;background:#fee2e2;border-radius:8px;color:#991b1b;font-size:.9rem;text-align:center;display:none;border-left:3px solid #dc2626}.tip-message.show{display:block;animation:fadeIn .3s ease}.tip-message.hide{display:none;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.result-item{margin:.75rem 0;font-size:1rem;display:flex;justify-content:space-between;align-items:center;color:#2d3748}.result-item span:last-child{font-weight:600;font-size:1.1rem;color:#2c5282}.error{color:#e53e3e;font-size:.8rem;margin-top:.25rem;display:none}.copyright{text-align:center;padding:1rem 0;color:#718096;font-size:.875rem;line-height:1.5;margin-bottom:env(safe-area-inset-bottom)}.copyright .author{color:#2c5282;font-weight:500}.copyright .warning{color:#e53e3e;margin-top:.25rem;font-size:.75rem}@media (max-width: 320px){.calculator{padding:1.25rem}.title{font-size:1.1rem;padding:.875rem}input{font-size:1rem;padding:.75rem}button{font-size:1rem;padding:.875rem}.result-item{font-size:.9rem}.result-item span:last-child{font-size:1rem}}.max-incentive{color:#e53e3e!important}