*{box-sizing:border-box} :root{font-family:Arial,Helvetica,sans-serif;color:#172b41;background:#f2f5fa;font-size:16px;font-synthesis:none}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a{color:#166858}header{max-width:1200px;margin:auto;padding:25px 30px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dbe2ec}.brand{font-size:25px;font-weight:700;text-decoration:none;color:#142a42;display:flex;gap:12px;align-items:center}.edition{font-size:14px;color:#54657a}.edition b{margin-left:12px;padding:6px 10px;background:#e2e8f1;border-radius:6px}main{max-width:1200px;margin:auto;padding:30px}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:18px}.eyebrow{font-size:12px;font-weight:bold;letter-spacing:1.8px;color:#557185;margin:0 0 10px}h1{font-size:32px;letter-spacing:-1px;margin:0}h2{font-size:22px;margin:0 0 8px}h3{font-size:17px;margin:0 0 10px}.remember{font-size:14px;display:flex;align-items:center;gap:8px;max-width:220px;line-height:1.4}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.results{grid-column:2;grid-row:1;position:sticky;top:20px;background:#142a42;color:#fff;border-radius:18px;padding:28px;box-shadow:0 10px 30px #142a4212}.results>p:first-child{color:#cfdae7;margin:0 0 12px;font-size:15px}.results>strong{font-size:43px;letter-spacing:-1.6px;font-variant-numeric:tabular-nums}.result-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px;padding:20px 0;border-top:1px solid #385067;border-bottom:1px solid #385067}.result-pair span{display:block;font-size:13px;color:#c8d6e5;margin-bottom:8px}.result-pair b{font-size:19px;font-variant-numeric:tabular-nums}.estimate-note{font-size:13px;line-height:1.5;color:#c8d6e5}.result-detail>div{display:flex;justify-content:space-between;gap:10px;margin:14px 0;font-size:14px}.result-detail span{color:#c8d6e5}.car-box{background:#203d51;border-radius:10px;padding:17px;margin-top:22px}.car-box strong{display:block;color:#8cedce;font-size:28px;margin:8px 0}.car-box p,.warning{font-size:13px;line-height:1.5}.warning{border-left:2px solid #f5c777;padding-left:12px;color:#f4dfb2;margin:16px 0 0}#error{background:#6a2738;color:white;padding:14px;border-radius:8px;font-size:14px;line-height:1.5}.editor{grid-column:1;grid-row:1;min-width:0}nav{display:flex;border-bottom:1px solid #d7e0ec;margin-bottom:22px;gap:6px}.tab{background:none;border:0;color:#637388;padding:14px 18px;border-bottom:3px solid transparent;font-size:15px;white-space:nowrap}.tab.active{color:#142a42;border-color:#1b8e7b;font-weight:bold}.section{background:white;border:1px solid #e0e6ef;border-radius:14px;padding:24px;margin-bottom:16px}.section-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.section-top h2{font-size:19px;margin:0}.subtitle{font-size:14px;line-height:1.6;color:#657588;margin:0 0 20px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#354a60;min-width:0}.field input,.field select{min-width:0;width:100%;border:1px solid #c8d3e1;background:#fff;border-radius:8px;padding:12px;color:#172b41;min-height:46px;font-size:16px}.field small{font-size:12px;color:#6b7b8e;line-height:1.5}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #72d8c5;outline-offset:2px}.switch{position:relative;display:inline-flex;align-items:center;flex-shrink:0}.switch input{appearance:none;width:43px;height:25px;background:#c6d1de;border-radius:30px;margin:0;cursor:pointer;transition:background .15s}.switch input:checked{background:#187c6b}.switch input:after{content:'';display:block;width:19px;height:19px;background:white;border-radius:50%;margin:3px;box-shadow:0 1px 3px #1233;transition:transform .15s}.switch input:checked:after{transform:translateX(18px)}.calculated{display:flex;justify-content:space-between;gap:15px;background:#eef7f4;padding:12px 14px;margin-top:16px;border-radius:7px;font-size:14px}.calculated b{color:#136754;white-space:nowrap}.overtime-row{border-top:1px solid #e5ebf2;padding-top:20px;margin-top:20px}.overtime-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.overtime-head h3{margin:0}.text-button{background:none;border:0;color:#226c61;text-decoration:underline;padding:8px 0;font-size:14px}.button{border:1px solid #bbd0cc;background:#edf7f4;color:#165e51;border-radius:8px;padding:11px 15px;font-weight:bold;font-size:14px;margin-top:16px}.table-row{display:flex;justify-content:space-between;gap:24px;padding:13px 0;border-bottom:1px solid #e6ebf2;font-size:15px}.table-row.total{font-weight:bold;font-size:19px;border:0;color:#136754}.table-row b{white-space:nowrap;font-variant-numeric:tabular-nums}.guide p,.guide li{font-size:15px;line-height:1.7;color:#475e73}.guide li{margin:8px 0}.guide a{overflow-wrap:anywhere}.guide details{padding:12px 0;border-bottom:1px solid #e3e9f1}.guide summary{cursor:pointer;font-weight:bold;padding:8px 0}.tag{font-size:12px;border:1px solid #d7e3e0;border-radius:5px;padding:4px 7px;color:#2d7567}.empty{color:#657588;font-size:14px;margin:0;line-height:1.5}footer{font-size:13px;color:#66788e;margin:24px 0;display:flex;gap:10px;justify-content:space-between;align-items:center;line-height:1.5}footer button{flex-shrink:0}.full{grid-column:1/-1}input[type=checkbox]{accent-color:#187c6b}button:hover{filter:brightness(.94)}
@media(max-width:850px){header{padding:18px 20px}main{padding:20px}.intro{align-items:flex-start}h1{font-size:26px}.workspace{display:flex;flex-direction:column;gap:20px}.results{position:static;width:100%;padding:22px}.editor{width:100%}.results>strong{font-size:38px}.result-pair{margin-top:16px;padding:14px 0}.result-detail{display:none}.estimate-note{margin-bottom:0}.car-box{margin-top:14px}.intro{margin-bottom:20px}.remember{max-width:155px;font-size:12px}.edition{font-size:12px}.edition b{margin-left:5px}nav{justify-content:space-between;gap:0;position:sticky;top:0;background:#f2f5fa;z-index:2}.tab{padding:14px 10px;font-size:14px}.section{padding:20px}footer{display:block}.result-pair span{font-size:14px}.result-pair b{font-size:20px}}
@media(max-width:380px){main{padding:14px}.fields{grid-template-columns:1fr}.intro{display:block}.remember{max-width:none;margin-top:14px}.edition{display:none}.section{padding:16px}h1{font-size:25px}.results>strong{font-size:36px}}

/* Version 2: compact scheme chooser and payday diary */
.brand{font-size:21px;line-height:1.15}.scheme-choice{display:flex;gap:20px;justify-content:space-between;padding:20px 0;border-bottom:1px solid #e3e9f0}.scheme-choice h3{margin:0 0 7px}.scheme-choice p{font-size:14px;line-height:1.6;color:#53677b;margin:0 0 6px}.scheme-choice summary{font-size:14px;color:#176c5b;cursor:pointer}.scheme-choice details p{padding:10px 0}.scheme-choice .switch{align-self:flex-start;margin-top:4px}.primary{background:#176c5b;color:#fff}.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin:20px 0}.calendar>span{text-align:center;font-size:14px;padding:8px 0;color:#60748b}.day{position:relative;min-height:42px;border:1px solid #dce5eb;border-radius:8px;background:#f5f8fb;color:#243b51}.day.selected{background:#176c5b;color:white;border-color:#176c5b}.day b{position:absolute;bottom:0;right:5px;color:#15926e}.day.selected b{color:white}.backpay-parts{display:flex;gap:16px;flex-wrap:wrap;margin:16px 0}.record{padding:18px 0;border-bottom:1px solid #dce5eb}.record summary{cursor:pointer;line-height:1.8;font-size:15px}.record .text-button{margin-left:16px}.import-label{display:inline-block;cursor:pointer}.import-label input{display:block;max-width:240px;margin-top:10px;font-size:14px}.section .warning{color:#815211;background:#fff8e9;padding:12px;border-radius:4px}input::placeholder{color:#788799;opacity:1}nav{overflow-x:auto}.tab{padding-left:12px;padding-right:12px}.field small{font-size:14px}.remember{font-size:14px}@media(max-width:600px){.brand{font-size:18px}.edition{max-width:95px;line-height:2}.intro{flex-wrap:wrap}.fields{grid-template-columns:1fr}.table-row{gap:12px;flex-wrap:wrap}.record .table-row b{white-space:normal}.tab{padding:14px 10px}.scheme-choice{gap:12px}.remember{max-width:none}.section{padding:18px}.backpay-parts{display:grid;grid-template-columns:1fr}}

.default-period{max-width:none;margin:18px 0}.section details>summary{cursor:pointer;font-size:14px;line-height:1.6}.section> .tag{display:inline-block;margin-bottom:16px}#year-notice{padding:15px;background:#e1f5ed;border-left:4px solid #176c5b;border-radius:6px;color:#164d40;font-size:15px}.field select:disabled{background:#edf1f5;color:#54657a}nav{scrollbar-width:thin}.tab{flex-shrink:0}

#carResult .car-box{margin-top:0;color:#fff}#carResult .car-box p{font-size:14px;line-height:1.7}.scheme-choice{min-width:0}.scheme-choice>div{min-width:0}.scheme-choice p{overflow-wrap:anywhere}@media(max-width:600px){nav{flex-wrap:wrap;overflow:visible}.tab{flex:1 0 30%;padding:12px 7px}.results{padding:20px}.intro{gap:12px;margin-bottom:16px}}

/* Version 4: compact mobile completion and payment guidance. */
.salary-forward{max-width:none;margin-top:12px;align-items:flex-start}.salary-forward+small{display:block;color:#657588;line-height:1.5;margin-top:8px}.treatment-help{padding:12px;background:#f2f7f5;color:#36594e;font-size:14px;line-height:1.6;border-radius:6px}.midyear{margin-top:18px}#save-status{font-size:13px;color:#176c5b}.section details{margin-top:14px}input[type=checkbox]{min-width:18px;min-height:18px}button{min-height:42px}@media(max-width:600px){.results>strong{font-size:32px}.results{padding:16px}.result-pair{margin-top:10px;padding:10px 0}.estimate-note{font-size:12px}.intro h1{font-size:24px}.calculated{flex-wrap:wrap}.salary-forward{font-size:14px}.table-row{overflow-wrap:anywhere}}

.confirm-dialog{width:min(440px,calc(100% - 32px));border:0;border-radius:16px;padding:24px;color:#172b41;box-shadow:0 16px 60px #142a4240}.confirm-dialog::backdrop{background:#142a4280}.confirm-dialog p{line-height:1.6}.confirm-dialog>div{display:flex;justify-content:flex-end;gap:12px}

.backpay-basis{display:block;font-size:13px;line-height:1.6;color:#657588;margin-top:6px}
.pension-items{min-width:0;margin:20px 0;padding:12px 16px;border:1px solid #ccd7e4;border-radius:10px}.pension-items legend{font-weight:600;padding:0 6px}.pension-items .remember{max-width:none;min-height:40px;align-items:center;overflow-wrap:anywhere}.scheme-body>h3{font-size:16px;margin-top:24px}
/* Version 4.4: compact schemes and year navigation. */
.scheme-card>summary{display:flex;align-items:center;gap:10px;cursor:pointer;list-style:none;font-weight:bold;font-size:17px;min-height:44px;outline-offset:5px}.scheme-card>summary::-webkit-details-marker{display:none}.scheme-card>summary>span:first-child{flex:1;min-width:0}.scheme-card>summary b{font-size:15px;color:#176c5b;white-space:nowrap}.scheme-arrow{font-size:22px}.scheme-card[open] .scheme-arrow{transform:rotate(180deg)}.scheme-body{padding-top:20px}.scheme-card.has-error>summary{border-left:3px solid #a57527;padding-left:8px}.scheme-card.has-error>summary:after{content:'!';color:#8a5613}.edition select{display:block;max-width:200px;border:1px solid #ccd7e4;background:#e2e8f1;color:#142a42;font-weight:bold;border-radius:8px;padding:10px 6px;margin-top:5px;font-size:15px;min-height:44px}#period-picker{font-size:14px}.edition{display:block!important}.table-row>span{min-width:0}@media(max-width:600px){.edition{max-width:130px}.edition select{max-width:130px;font-size:13px}.edition>span{font-size:11px}.brand{font-size:17px}.scheme-card{padding:12px 16px}.scheme-card>summary{font-size:16px}.scheme-card>summary b{font-size:14px}.table-row{font-size:14px}.scheme-body{padding-top:15px}}