.pvcalc-wrap{max-width:520px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a1a}
.pvcalc-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.pvcalc-icon{font-size:34px;line-height:1}
.pvcalc-title{font-size:22px!important;font-weight:600!important;margin:0 0 3px!important;padding:0!important;border:none!important;color:#1a1a1a!important}
.pvcalc-sub{font-size:13px;color:#666;margin:0}
.pvcalc-toggle{display:flex;border:1px solid #d0d0d0;border-radius:8px;overflow:hidden;margin-bottom:16px}
.pvcalc-tbtn{flex:1;padding:9px 6px;font-size:12px;font-weight:500;border:none;border-right:1px solid #d0d0d0;background:#fff;color:#555;cursor:pointer;font-family:inherit}
.pvcalc-tbtn:last-child{border-right:none}
.pvcalc-tbtn.pvcalc-act{background:#eff6ff;color:#1D4ED8;font-weight:700}
.pvcalc-lbl{display:block;font-size:13px;font-weight:500;color:#555;margin-bottom:5px}
.pvcalc-iw{position:relative}
.pvcalc-iw input{width:100%;box-sizing:border-box;padding:9px 36px 9px 26px;border:1px solid #d0d0d0;border-radius:8px;font-size:14px;color:#1a1a1a;background:#fff;outline:none;-moz-appearance:textfield}
.pvcalc-iw input::-webkit-inner-spin-button,.pvcalc-iw input::-webkit-outer-spin-button{-webkit-appearance:none}
.pvcalc-iw input:focus{border-color:#1D4ED8;box-shadow:0 0 0 3px rgba(29,78,216,.1)}
.pvcalc-pre{position:absolute;left:8px;top:50%;transform:translateY(-50%);font-size:13px;color:#999;pointer-events:none}
.pvcalc-suf{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:11px;color:#999;pointer-events:none}
.pvcalc-group{margin-bottom:10px}
.pvcalc-result-card{background:linear-gradient(135deg,#1D4ED8,#1e3a8a);border-radius:12px;padding:22px;color:#fff;margin-top:14px;text-align:center;animation:pvcalc-in .22s ease}
@keyframes pvcalc-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.pvcalc-res-main{font-size:40px;font-weight:800;font-family:monospace;margin-bottom:6px}
.pvcalc-res-sub{font-size:14px;opacity:.85}