:root{--navy:#222a53;--navy2:#1b2755;--brown:#433511;--teal:#cae0dd;--teal2:#eaf3f1;--text:#34363b;--muted:#646870;--line:#d8dddf;--bg:#f5f6f7;--white:#fff;--link:#134f6c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.55}a{color:var(--link)}a:hover{text-decoration-thickness:2px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.75rem;z-index:999}.site-header{max-width:1160px;margin:auto;background:#fff}.utility-bar{min-height:58px;padding:10px 18px;background:var(--navy);display:flex;align-items:center;gap:20px;justify-content:space-between}.home-link{color:#fff;font-weight:700;text-decoration:none}.site-search{display:flex;gap:7px}.site-search input,.search-page-form input{min-width:230px;padding:.62rem .7rem;border:1px solid #c9ced4;border-radius:5px}.site-search button,.search-page-form button,button{cursor:pointer}.site-search button{padding:.55rem .8rem}.banner-link{display:block;padding:25px 32px 15px}.banner{display:block;max-width:100%;height:auto;margin:auto}.layout{max-width:1160px;margin:0 auto 28px;display:grid;grid-template-columns:290px minmax(0,1fr);gap:22px;padding:0 18px}.sidebar{align-self:start;position:sticky;top:12px}.nav-group{background:#fff;margin-bottom:16px;border:1px solid var(--line)}.nav-group h2{font-size:1.05rem;margin:0;padding:12px 16px;color:#fff;background:var(--brown)}.nav-group:nth-child(2) h2{background:var(--navy)}.nav-group ul{list-style:none;margin:0;padding:7px 0}.nav-group li{margin:0}.nav-group a{display:block;padding:8px 15px;color:#34363b;text-decoration:none;border-left:4px solid transparent}.nav-group a:hover{background:#f0f4f4}.nav-group a.active{background:var(--teal2);border-left-color:#4e817a;font-weight:700}.main-content{background:#fff;padding:30px 34px;min-width:0;border:1px solid var(--line)}h1,h2,h3,h4{font-family:Georgia,'Times New Roman',serif;color:var(--navy2);line-height:1.23}h1{font-size:2rem;margin-top:0;border-bottom:4px solid var(--teal);padding-bottom:.35rem}h2{font-size:1.4rem;margin-top:1.6em}h3{font-size:1.12rem}.main-content img{max-width:100%;height:auto}.main-content table{max-width:100%}.main-content iframe{max-width:100%}.main-content p,.main-content li{font-size:.98rem}.main-content blockquote{border-left:4px solid var(--teal);margin-left:0;padding-left:1rem;color:var(--muted)}.site-footer{max-width:1160px;margin:auto;background:var(--navy);color:#dfe4e9;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 32px}.site-footer img{max-width:220px;height:auto}.site-footer p{text-align:right}.site-footer a{color:#dcece9}.download-button,.primary{display:inline-block;background:var(--navy);color:#fff!important;text-decoration:none;border:0;border-radius:4px;padding:.72rem 1rem;font-weight:700}.download-button:hover,.primary:hover{background:#151b3c}.filter-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.filter-grid fieldset{border:1px solid var(--line);padding:16px;background:#fbfcfc}.filter-grid legend{font-weight:700;color:var(--navy2);padding:0 .4rem}.filter-grid label{display:block;padding:.23rem 0}.form-actions{grid-column:1/-1;display:flex;gap:12px;justify-content:center;padding:15px}.form-actions button:not(.primary){padding:.72rem 1rem}.results{background:var(--teal2);border-left:6px solid #67918b;padding:18px 20px;margin:22px 0}.results h2{margin-top:0}.result-group{margin:1rem 0;padding-top:.7rem;border-top:1px solid #c9d9d6}.treatment-links{margin:.4rem 0;padding-left:1.25rem}.treatment-links li{margin:.28rem 0}.badge{display:inline-block;font-size:.78rem;padding:.12rem .4rem;border-radius:3px;background:#dce9e7;margin-left:.3rem;color:#344}.matrix-scroll{overflow-x:auto}.matrix-table{width:100%;border-collapse:collapse;min-width:900px}.matrix-table th,.matrix-table td{border:1px solid #c7ced1;padding:9px;text-align:center}.matrix-table thead th{background:var(--teal)}.matrix-table tbody th{text-align:left;background:#eef5f4;min-width:260px}.matrix-choice{width:38px;height:38px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-weight:800}.matrix-choice:hover,.matrix-choice:focus{outline:3px solid #95b9b3}.not-applicable{background:#eceeef;color:#92979a}.treatment-category{margin:1.5rem 0}.treatment-category ol{columns:1}.treatment-category li{margin:.35rem 0}.search-page-form>label{display:block;font-weight:700;margin-bottom:.35rem}.search-page-form>div{display:flex;gap:8px}.search-results article{padding:1rem 0;border-bottom:1px solid var(--line)}.search-results h2{margin:.1rem 0}.search-results p{color:var(--muted)}mark{background:#fff2a8}.notice{padding:15px 17px;background:#fff4cf;border-left:5px solid #d6aa2d;margin:1rem 0 1.4rem}.footnote{font-size:.86rem!important;color:#555}.toolbox-tile-right{float:right;max-width:300px;margin:0 0 18px 22px;padding:15px;background:#f2f6f5}.returntitle{font-weight:700}.problemtype{font-weight:600}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}


/* Legacy UIIG image layout helpers retained by the original content markup. */
.float-pic-center{text-align:center;margin:1.2rem auto .65rem;clear:both}
div.float-pic-center{display:block}
span.float-pic-center{display:block}
.float-pic-center>img{vertical-align:top;margin:0 5px .45rem}
.float-image-right{float:right;max-width:48%;margin:.3rem 0 1.15rem 1.4rem}
.float-image-left{float:left;max-width:48%;margin:.3rem 1.4rem 1.15rem 0}
.float-image-right img,.float-image-left img{display:block;max-width:100%;height:auto;margin:0 auto .45rem}
.caption-center,.fig-title{text-align:center}
.caption-center{font-size:.88rem!important;line-height:1.4;color:var(--muted);margin:.4rem auto 1rem}
.fig-title{font-weight:700;line-height:1.4;margin:.45rem auto .7rem}
.toolbox-link-icon{display:inline-block!important;width:auto!important;height:auto!important;max-width:none!important;margin:0 .45rem 0 0!important;vertical-align:middle}
.section-divider{border:0;border-top:1px solid var(--line);margin:2rem 0 1.4rem;clear:both}
.main-content h1,.main-content h2{clear:both}
.main-content img{vertical-align:middle}

@media(max-width:700px){
  .float-image-right,.float-image-left{float:none!important;width:auto!important;max-width:100%!important;margin:1rem auto!important}
  .float-pic-center>img{margin:.35rem auto;display:block}
}

@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px}.nav-group{margin:0}.filter-grid{grid-template-columns:1fr}.utility-bar{align-items:stretch;flex-direction:column}.site-search input{min-width:0;flex:1}.site-search{width:100%}.banner-link{padding:18px}.main-content{padding:24px 20px}}
@media(max-width:560px){.sidebar{grid-template-columns:1fr}.site-footer{flex-direction:column;text-align:center}.site-footer p{text-align:center}.main-content{padding:20px 15px}.search-page-form>div{flex-direction:column}.filter-grid{gap:10px}.toolbox-tile-right{float:none;max-width:none;margin:0 0 18px}.main-content table[width]{width:100%!important}}