.w4-guide{padding:48px 0 64px;background:linear-gradient(155deg,#e6eff0 0%,#f2f3ef 60%,#f5edda 100%)}
.w4-intro{display:grid;grid-template-columns:1.4fr .6fr;gap:64px;align-items:center;padding:0 0 32px}
.w4-intro h1{font-size:clamp(2.5rem,4.5vw,3.7rem);font-weight:800;line-height:1.06}
.w4-intro>div>p{font-size:1.06rem;max-width:630px;color:#48616b}
.w4-intro-note{position:relative;border-left:2px solid #cfb66d;padding:18px 0 18px 28px;max-width:330px}
.w4-intro-note strong{font:700 .87rem Montserrat,Arial,sans-serif;display:block}
.w4-intro-note p{font-size:.86rem!important;margin-bottom:0}
.w4-paper-mark{display:block;font:800 2rem Montserrat,Arial,sans-serif;color:#6d5220;margin-bottom:13px;letter-spacing:-.05em}
.w4-progress{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:0 0 24px;padding:0;background:transparent}
.w4-progress button{display:flex;align-items:center;gap:10px;border:1px solid #123a4a1c;border-radius:12px;padding:13px 15px;background:#f8faf5;color:#48616b;text-align:left;font:700 .7rem/1.4 Montserrat,Arial,sans-serif}
.w4-progress button span{display:grid;place-items:center;flex-shrink:0;border:1px solid #b7cbd0;border-radius:50%;width:26px;height:26px;font-size:.75rem}
.w4-progress button[aria-current=step]{background:#123a4a;color:white;border-color:#123a4a}
.w4-progress button[aria-current=step] span{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.w4-progress button:disabled{cursor:default;color:#667a80;background:#e9eeee}
.w4-workspace{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:28px;align-items:start;scroll-margin-top:95px}
.w4-workspace:has(.w4-form-preview[hidden]){grid-template-columns:1fr}
.w4-question-panel{background:#fbfcf8;border:1px solid #123a4a1b;border-radius:22px;padding:32px;box-shadow:0 15px 34px #123a4a09}
.w4-question-panel h2{font-size:1.75rem;line-height:1.16;outline:none}
.w4-panel-copy{color:#48616b;font-size:.95rem;margin:16px 0 23px}
.w4-question{padding:0 0 19px}
.w4-question label{font:700 .83rem/1.5 Montserrat,Arial,sans-serif;margin-bottom:8px}
.w4-question select,.w4-question input{background:white;border-color:#bfcdd0;border-radius:10px;font-size:.95rem;padding:12px 13px;max-width:100%}
.w4-question select:focus,.w4-question input:focus,.w4-check input:focus{outline:2px solid #9f7c35;outline-offset:3px}
.w4-help{color:#536c75;font-size:.8rem;line-height:1.5;margin:8px 0 0;max-width:630px}
.w4-help a,.w4-source-note a,.w4-tip a,.w4-final-actions>a{color:#123a4a;text-underline-offset:3px;font-weight:700}
.w4-check{display:flex;align-items:flex-start;gap:10px;font-size:.87rem;line-height:1.5;font-weight:600;margin:4px 0 0}
.w4-check input{width:17px;height:17px;flex-shrink:0;margin:2px 0 0;accent-color:#123a4a}
.w4-dollar{position:relative}.w4-dollar>span{position:absolute;left:14px;top:12px;color:#5b727a}.w4-dollar input{padding-left:30px}
.w4-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.w4-tip{background:#f5ebd2;border:1px solid #c2a15444;border-radius:12px;color:#5a4926;font-size:.86rem;padding:16px 18px;margin:10px 0 20px;line-height:1.6}
.w4-tip ul{padding-left:18px;margin-bottom:8px}.w4-tip li{margin:0 0 9px}
.w4-credit-math{background:#e6eff0;border-radius:12px;padding:16px;color:#123a4a;font-size:.86rem;margin:20px 0}
.w4-form-actions{border-top:1px solid #123a4a20;padding-top:22px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.w4-form-actions>span{font-size:.73rem;color:#62757c;margin-left:auto}
.w4-form-actions .btn{font-size:.75rem;padding:12px 18px}
.w4-form-preview{background:#f9f7ed;border:1px solid #c6c9be;border-top:5px solid #d3b15a;border-radius:7px 7px 18px 18px;padding:25px;position:sticky;top:95px;box-shadow:8px 10px 0 #dce7e7,0 20px 38px #123a4a12}
.w4-preview-head{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid #123a4a;padding-bottom:15px}
.w4-preview-head>strong{font:800 2rem Montserrat,Arial,sans-serif;letter-spacing:-.05em}
.w4-preview-head>span{font-size:.73rem;line-height:1.4;text-align:right;color:#536971;font-weight:700}
.w4-preview-line{display:grid;grid-template-columns:.75fr 1.25fr;gap:14px;padding:15px 0;border-bottom:1px solid #123a4a25;align-items:start}
.w4-preview-line>span{font:700 .8rem Montserrat,Arial,sans-serif}
.w4-preview-line small{display:block;font:400 .7rem/1.5 Nunito,Arial,sans-serif;color:#536971;margin-top:5px}
.w4-preview-line strong{font:700 .78rem/1.5 Montserrat,Arial,sans-serif;text-align:right;overflow-wrap:anywhere}
.w4-preview-sign{padding-top:17px}.w4-preview-sign>strong{font:700 .78rem Montserrat,Arial,sans-serif}
.w4-preview-sign p{font-size:.8rem;color:#536971;margin-bottom:0}
.w4-preview-note{font-size:.72rem;color:#536971;background:#e7eee9;padding:11px;border-radius:8px;margin:16px 0 0}
.w4-source-note{margin:38px 0 0;background:#e6eff0;border:1px solid #123a4a14;border-radius:18px;padding:23px 28px;font-size:.84rem;color:#48616b}
.w4-source-note strong{color:#123a4a}.w4-source-note p{max-width:910px;margin-top:8px}
.w4-result-lines{margin:0}.w4-result-lines>div{padding:21px 0;border-bottom:1px solid #123a4a25}
.w4-result-lines dt{display:flex;align-items:start;gap:16px}.w4-result-lines dt>span{background:#e6eff0;min-width:49px;padding:7px;border-radius:8px;text-align:center;font:700 .75rem Montserrat,Arial,sans-serif;color:#123a4a}
.w4-result-lines dt>strong{font:700 1rem/1.5 Montserrat,Arial,sans-serif;padding-top:4px}
.w4-result-lines dd{margin:10px 0 0 65px;font-size:.88rem;color:#48616b}
.w4-final-actions{display:flex;gap:22px;flex-wrap:wrap;align-items:center;margin-top:25px;font-size:.85rem}
[hidden]{display:none!important}
@media(max-width:950px){.w4-intro{gap:32px}.w4-workspace{grid-template-columns:minmax(0,1.3fr) minmax(260px,1fr);gap:22px}.w4-progress button{padding:12px 10px;font-size:.62rem;gap:6px}.w4-question-panel{padding:27px}.w4-form-preview{padding:22px}.w4-form-actions>span{margin-left:0}}
@media(max-width:750px){.w4-intro{grid-template-columns:1fr;gap:18px}.w4-intro-note{max-width:none;padding:15px 20px;background:#f7ebcf;border-radius:0 14px 14px 0}.w4-paper-mark{display:none}.w4-workspace{grid-template-columns:1fr}.w4-form-preview{position:static;box-shadow:5px 7px 0 #dce7e7}.w4-progress button{flex-direction:column;align-items:center;text-align:center;padding:10px 4px;font-size:.58rem;gap:7px}.w4-guide{padding-top:32px}.w4-question-panel{padding:26px}.w4-form-actions>span{width:100%}.w4-progress{gap:5px}.w4-workspace{scroll-margin-top:92px}}
@media(max-width:420px){.w4-fields{grid-template-columns:1fr;gap:0}.w4-intro h1{font-size:2.3rem}.w4-question-panel{padding:23px}.w4-source-note{padding:23px}.w4-result-lines dd{margin-left:0}.w4-form-actions .btn{padding:12px 15px}.w4-question-panel h2{font-size:1.55rem}}