:root{font-family:'Segoe UI',Arial,sans-serif;color:#202d43;background:#f5f7fb;font-synthesis:none;--blue:#3158e8;--muted:#67758b;--line:#e2e7ef;--navy:#101d32}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #7895ff;outline-offset:4px}button:disabled{opacity:.45;cursor:not-allowed}.skip{position:fixed;top:-100px;left:20px;z-index:10;background:white;padding:15px}.skip:focus{top:10px}.sidebar{position:fixed;inset:0 auto 0 0;width:258px;background:var(--navy);color:#adbacd;padding:34px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:white;font-weight:750;font-family:'Segoe UI',Arial,sans-serif;font-size:20px;line-height:1.2;letter-spacing:-.5px}.brand>span:last-child>span{display:block;font-family:'Segoe UI',Arial,sans-serif;font-size:12px;font-weight:450;letter-spacing:.1px;color:#c3cddd;margin-top:4px}.brand-icon{background:var(--blue);width:43px;height:43px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:23px}.brand-icon span{font-size:17px;align-self:flex-start;margin-top:5px}.edition{font-size:10px;letter-spacing:1.6px;margin:47px 10px 19px;color:#8191aa}.nav-item{display:flex;align-items:center;gap:12px;padding:14px 12px;font-size:14px;margin-bottom:7px;border-radius:7px;line-height:1.4}.nav-item>span{font-size:20px;width:22px;text-align:center}.nav-item:hover{background:#1c2b43;color:white}.nav-item.active{color:white;background:#243653;box-shadow:inset 3px 0 #718eff}.nav-item b{font-weight:500;margin-left:auto;background:#364967;border-radius:4px;padding:1px 6px;font-size:12px}.sidebar-note{border-top:1px solid #2a384c;margin:32px 12px 0;padding-top:28px}.small-label{font-size:11px;letter-spacing:1px;font-weight:650}.sidebar-note p{font-size:14px;line-height:1.9;color:#c3cddd}.sidebar-note a{font-size:12px;color:#96aeff}.sidebar-bottom{margin:auto 12px 0;padding-top:40px}.prototype{font-size:10px;letter-spacing:1.2px;color:#8698b3}.sidebar-bottom p{font-size:11px;line-height:1.8;color:#8091aa}.shell{margin-left:258px}.topbar{height:77px;border-bottom:1px solid var(--line);background:white;display:flex;align-items:center;justify-content:space-between;padding:0 44px;font-size:13px}.breadcrumb{color:var(--muted)}.breadcrumb span{margin:0 13px;color:#b9c1cf}.breadcrumb strong{font-weight:500;color:#27354b}.top-meta{color:#748195;font-size:12px}.top-meta span{margin:0 9px;color:#bec6d4}main{max-width:1510px;margin:auto;padding:40px 44px 55px;min-height:calc(100vh - 142px)}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:30px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.6px;color:var(--blue);margin:0 0 10px}h1,h2,h3{font-family:'Segoe UI',Arial,sans-serif;letter-spacing:-.6px}h1{font-size:32px;line-height:1.3;margin:0 0 10px;font-weight:800}p{line-height:1.65} .intro{color:var(--muted);font-size:14px;margin:0}.mode{display:flex;border:1px solid #dce2ec;background:#eaf0f7;padding:4px;border-radius:9px;flex-shrink:0;margin-top:20px}.mode button{border:0;color:#67758b;background:transparent;border-radius:6px;padding:9px 14px;font-size:13px}.mode button.selected{background:white;color:#263a61;box-shadow:0 2px 5px #192d4c12;font-weight:650}.work-grid{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:24px;align-items:start}.card{background:white;border:1px solid var(--line);border-radius:11px;overflow:hidden}.setup{padding:25px 27px}.section-title{display:flex;align-items:center;gap:11px;margin:0 0 20px;font-size:16px;font-weight:750}.number{width:25px;height:25px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#edf1ff;color:var(--blue);font-size:12px;flex-shrink:0}.consoles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.console{border:1px solid var(--line);border-radius:8px;background:white;text-align:left;padding:16px 14px;min-height:91px;color:#39475c;position:relative}.console:hover{border-color:#94a8e9}.console.selected{background:#f3f6ff;border:1.5px solid var(--blue);padding:15.5px 13.5px;color:#233db5}.console strong{display:block;font-size:14px;font-weight:700}.console small{display:block;font-size:11px;margin-top:7px;color:var(--muted)}.console .tick{position:absolute;right:10px;top:10px;border-radius:50%;background:var(--blue);color:white;font-size:9px;width:14px;height:14px;display:flex;align-items:center;justify-content:center}.model-row{margin-top:17px;display:flex;align-items:center;gap:15px;font-size:13px;color:var(--muted)}select{border:1px solid var(--line);padding:8px 32px 8px 11px;border-radius:6px;background:white;color:#283751;max-width:100%}.divider{height:1px;background:var(--line);margin:24px 0}.symptoms{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.symptom{background:white;border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:11px;text-align:left;padding:13px 12px;color:#4e5d73;font-size:13px}.symptom .symbol{font-size:19px;width:25px;text-align:center;color:#8492aa}.symptom.selected{border-color:#5476ef;background:#f4f6ff;color:#2848c8}.symptom.selected .symbol{color:#4667df}.symptom:hover{background:#f5f7fb}.symptom .arrow{margin-left:auto;color:#8195b9}.start-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:24px}.hint{font-size:12px;color:var(--muted);line-height:1.6}.primary{border:1px solid var(--blue);background:var(--blue);color:white;border-radius:7px;padding:12px 19px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:18px;justify-content:center}.primary:hover{background:#2448ce}.secondary{background:white;border:1px solid #d9e0ec;padding:10px 15px;border-radius:7px;color:#485972;font-size:13px}.secondary:hover{background:#f3f6fc}.text-button{border:0;background:transparent;color:var(--blue);font-size:13px;padding:8px 0}.sidebar-card{padding:23px;margin-bottom:18px}.sidebar-card h2{font-size:15px;margin:0 0 14px}.sidebar-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.feature-line{display:flex;gap:12px;margin-top:17px}.feature-icon{color:#5171df;font-size:17px;flex-shrink:0;width:23px}.feature-line strong{display:block;font-size:12px;font-weight:650;margin-bottom:4px}.feature-line p{font-size:12px;line-height:1.6}.ad{height:240px;background:#f0f3f8;border:1px dashed #d2dbe8;display:flex;align-items:center;justify-content:center;text-align:center;border-radius:9px;color:#8b98aa}.ad .small-label{font-size:10px;font-weight:500;letter-spacing:2px}.ad p{font-size:11px;margin:12px 20px 0;color:#929db0}.ad-badge{font-size:10px;border:1px solid #d7dfe9;border-radius:4px;padding:4px 9px;display:inline-block;margin-top:14px}.privacy-note{font-size:11px;color:#8995a8;line-height:1.7;margin:13px 6px}.lower-head{display:flex;justify-content:space-between;align-items:center;margin:30px 0 15px}.lower-head h2{font-size:16px;margin:0}.lower-head a{font-size:12px;color:var(--blue)}.guide-row{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.guide-card{display:flex;flex-direction:column;align-items:flex-start;padding:20px;min-height:148px;transition:transform .15s,border-color .15s}.guide-card:hover{transform:translateY(-2px);border-color:#aab9e4}.tag{font-size:10px;font-weight:650;color:#627596;background:#f0f3f8;padding:4px 7px;border-radius:4px}.guide-card h3{font-size:14px;line-height:1.6;margin:10px 0 15px;letter-spacing:-.2px}.guide-card .meta{color:#8693a6;font-size:11px;margin-top:auto;width:100%;display:flex;justify-content:space-between}.blue-note{display:flex;gap:12px;border:1px solid #dce5fa;background:#edf3ff;padding:15px 18px;border-radius:8px;margin-top:18px;color:#4d6386;font-size:12px;line-height:1.7}.blue-note b{color:#334c79}footer{border-top:1px solid var(--line);display:flex;gap:24px;padding:21px 44px;color:#8793a5;font-size:11px}footer span:last-child{margin-left:auto}.step-top{padding:18px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.step-top strong{color:#344b73}.step-content{padding:30px 28px}.step-content h2{font-size:24px;margin:12px 0 15px;line-height:1.4}.step-content p{font-size:16px;color:#52617a;line-height:1.75}.check-label{color:var(--blue);font-size:11px;font-weight:700;letter-spacing:1px}.instruction{border-left:3px solid #6280ed;background:#f4f7ff;padding:14px 18px;margin:21px 0;color:#445777;font-size:14px;line-height:1.75}.answers{display:flex;flex-direction:column;gap:10px;margin:22px 0}.answer{border:1px solid #dce3ee;background:white;padding:15px 17px;text-align:left;border-radius:7px;color:#354a6b;display:flex;justify-content:space-between;font-size:14px}.answer:hover{background:#f3f6ff;border-color:#839bec}.step-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:22px}.engineer-block{margin-top:22px;border:1px solid #d9e2ef;background:#f7f9fd;border-radius:8px;padding:18px}.engineer-block h3{font-size:14px;margin:0 0 10px}.engineer-block p{font-size:13px;margin:0 0 12px}.engineer-block label{display:block;font-size:12px;color:#536783;margin-bottom:7px}textarea{width:100%;min-height:95px;resize:vertical;border:1px solid #d7e0ec;border-radius:6px;background:white;padding:11px;color:#293a54;font-size:14px}.trail{list-style:none;padding:0;margin:0}.trail li{border-bottom:1px solid var(--line);padding:12px 0;font-size:12px}.trail li:last-child{border:0}.trail strong{display:block;color:#415776;margin-bottom:5px}.trail span{color:var(--muted);line-height:1.5}.status-pill{display:inline-block;font-size:11px;font-weight:650;padding:5px 9px;background:#e9f5ee;color:#2a6d46;border-radius:4px}.status-pill.amber{background:#fff3df;color:#926315}.report-card{padding:26px;max-width:940px}.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;padding-bottom:20px;margin-bottom:10px;border-bottom:1px solid var(--line)}.report-grid dt{font-size:12px;color:var(--muted);margin-bottom:8px}.report-grid dd{font-size:14px;font-weight:600;margin:0}.report-item{padding:20px 0;border-bottom:1px solid var(--line)}.report-item h3{font-size:15px;margin:0 0 6px}.report-item p{font-size:14px;color:#526580;margin:5px 0;white-space:pre-wrap;overflow-wrap:anywhere}.empty{padding:50px 25px;text-align:center}.empty h2{font-size:22px}.empty p{color:var(--muted);font-size:15px}.empty .primary{margin-top:16px}.filter-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:25px}.search{border:1px solid var(--line);border-radius:7px;background:white;padding:12px 15px;flex:1;min-width:200px;color:#33445f}.library{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article{max-width:900px;padding:30px}.article h2{font-size:21px;margin-top:30px}.article p,.article li{font-size:16px;line-height:1.85;color:#4c5f78}.article a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.article .tag{font-size:12px}.article ol{padding-left:24px}.article li{padding-left:8px;margin-bottom:15px}.source-link{display:block;margin:10px 0;font-size:14px}.toast{position:fixed;bottom:25px;right:25px;padding:15px 22px;background:#172c49;color:white;border-radius:9px;box-shadow:0 5px 30px #182c4933;font-size:14px;z-index:20}.mobile-note{display:none}
@media(min-width:1500px){main{padding-top:50px}.setup{padding:30px}.console{min-height:105px;padding:20px}.console.selected{padding:19.5px}.symptom{padding:17px 14px}.work-grid{grid-template-columns:minmax(0,1fr) 315px}h1{font-size:36px}}
@media(max-width:1150px){.sidebar{width:225px;padding-left:16px;padding-right:16px}.shell{margin-left:225px}main{padding:30px 25px}.topbar{padding:0 25px}.work-grid{grid-template-columns:minmax(0,1fr) 235px;gap:16px}.setup{padding:22px}.page-head{flex-direction:column;gap:12px}.mode{margin-top:0}.console{padding:16px 10px}.console.selected{padding:15.5px 9.5px}.console strong{font-size:12px}.sidebar-card{padding:19px}.start-row{align-items:flex-start;flex-direction:column}.primary{gap:12px}.guide-row{gap:9px}.guide-card{padding:16px}h1{font-size:29px}}
@media(max-width:900px){.sidebar{position:static;width:100%;padding:18px 24px}.brand{font-size:17px}.brand-icon{width:36px;height:36px}.edition,.sidebar-note,.sidebar-bottom{display:none}.sidebar nav{display:flex;margin-top:20px;gap:8px}.nav-item{margin:0;padding:10px;font-size:12px;flex:1;justify-content:center}.nav-item>span{display:none}.nav-item b{margin-left:3px}.shell{margin-left:0}.topbar{height:55px}.work-grid{grid-template-columns:minmax(0,1fr) 250px}.top-meta{font-size:11px}.page-head{flex-direction:row;align-items:center}h1{font-size:26px}.intro{font-size:13px}.mode button{padding:9px 11px;font-size:12px}.guide-row,.library{grid-template-columns:repeat(2,1fr)}.guide-row .guide-card:last-child{display:none}footer{padding:20px 25px}}
@media(max-width:650px){.sidebar{padding:18px 16px 12px}.sidebar nav{gap:3px}.nav-item{font-size:11px;padding:10px 6px}.topbar{padding:0 18px}.top-meta{display:none}main{padding:26px 18px 35px}.page-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:24px}h1{font-size:28px}.intro{font-size:14px;line-height:1.7}.work-grid{display:flex;flex-direction:column}.work-grid>.primary-column,.work-grid>.right-column{width:100%}.right-column{display:grid;grid-template-columns:1fr}.sidebar-card{margin-bottom:15px}.right-column .ad{height:155px}.setup{padding:21px 17px}.consoles{gap:7px}.console strong{font-size:12px}.console small{font-size:10px;line-height:1.6}.console{padding:15px 9px;min-height:91px}.console.selected{padding:14.5px 8.5px}.symptom{font-size:12px;gap:6px;padding:13px 9px}.symptom .symbol{width:20px}.model-row{align-items:flex-start;flex-direction:column;gap:8px}.model-row select{width:100%}.start-row{flex-direction:column;gap:15px}.start-row .primary{width:100%}.section-title{font-size:15px}.guide-row,.library{grid-template-columns:1fr}.guide-row .guide-card:last-child{display:flex}.guide-card{min-height:130px}.guide-row .guide-card h3{font-size:15px}.step-content{padding:24px 19px}.step-content h2{font-size:22px}.step-top{padding:17px;gap:10px;font-size:11px}.report-grid{grid-template-columns:1fr}.report-card,.article{padding:22px}.report-grid dt{margin-top:5px}footer{padding:20px 18px;gap:12px;flex-wrap:wrap;line-height:1.6}footer span:last-child{margin-left:0;width:100%}.lower-head h2{font-size:15px}}
.intro{font-size:16px}.symptom,.console strong,.mode button,.primary,.secondary{font-size:14px}.sidebar-card p{font-size:14px}.feature-line strong{font-size:14px}.feature-line p{font-size:13px}.model-row{font-size:14px}.guide-card h3{font-size:16px}.step-top,.text-button{font-size:14px}.hint{font-size:13px}.nav-item{font-size:14px}
@media(max-width:650px){.intro{font-size:16px}.console strong{font-size:13px}.symptom{font-size:14px}.sidebar .nav-item{font-size:12px}.step-top{font-size:12px}}
@media print{.sidebar,.topbar,footer,.step-actions,.toast,.mode,.ad{display:none!important}.shell{margin:0}main{padding:0}.card{border:0}.report-card{max-width:none}.page-head{margin-bottom:12px}.report-item{break-inside:avoid}body{background:white}}

/* Production navigation, identity, reading and case workspace */
.brand{gap:12px;font-size:22px;letter-spacing:-.7px}.brand img{flex:none}.brand>span:last-child>span{font-size:12px;letter-spacing:.45px;margin-top:5px}.sidebar-bottom a{display:inline-block;font-size:12px;margin-right:16px;color:#b9c8df}.sidebar-bottom .edition{font-size:9px;letter-spacing:1.2px;margin:0}.sidebar{overflow-y:auto}.topbar .breadcrumb{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.top-meta{flex-shrink:0;margin-left:20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px}.article{max-width:none}.article-layout h2{scroll-margin-top:25px}.article-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:12px;color:#66748b}.article p.applicability{font-size:14px;background:#f3f6fc;padding:16px 18px;border-radius:7px}.contents{border:1px solid #dce4f2;border-radius:8px;padding:18px 20px;display:flex;flex-wrap:wrap;gap:12px 22px;margin:25px 0}.contents strong{width:100%;font-size:13px}.contents a{font-size:14px}.guide-steps h3{font-size:18px;line-height:1.5;margin:0 0 7px}.guide-steps p{margin:0 0 24px}.guide-steps li::marker{color:#3158e8;font-weight:700}.warning-note{border-left:3px solid #b47820;background:#fff8ed;padding:18px 20px;border-radius:0 6px 6px 0;margin:25px 0}.warning-note strong{font-size:14px;color:#76521e}.warning-note p{margin:8px 0 0;font-size:15px;color:#6c583a}.article .editorial-note{font-size:13px;line-height:1.75;padding-top:20px;border-top:1px solid #e2e7ef}.related-guides h2{font-size:16px}.related-guides .guide-card{margin-bottom:12px}.revision{font-size:13px!important;color:#6c7a90!important}.contact-panel{background:#edf3ff;padding:23px;border-radius:8px;margin:18px 0}.contact-panel p{margin:10px 0;font-size:20px;overflow-wrap:anywhere}.contact-panel span:last-child{font-size:13px;color:#697b96}.case-details{margin:14px 0 18px}.case-details summary{font-size:14px;font-weight:600;cursor:pointer}.case-details summary span{font-weight:400;color:#718199;font-size:12px;margin-left:8px}.case-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}.case-fields input{display:block;width:100%;padding:10px;border:1px solid #d5deeb;border-radius:6px;background:white;color:#293d5c;font-size:16px;margin-top:6px}.case-summary{display:flex;flex-wrap:wrap;gap:20px;margin:0 0 22px}.case-summary:empty{display:none}.case-summary div{min-width:130px}.case-summary dt{font-size:12px;color:#65758e}.case-summary dd{margin:6px 0 0;font-size:14px;font-weight:600;overflow-wrap:anywhere}.saved-list{display:flex;flex-direction:column;gap:15px;max-width:1000px}.saved-card{padding:23px;display:flex;align-items:center;justify-content:space-between;gap:25px}.saved-card h2{font-size:18px;margin:12px 0;overflow-wrap:anywhere}.saved-card p{font-size:13px;color:#718199;margin:0}.saved-card .step-actions{flex-shrink:0;margin:0}.danger{color:#9c3b40}.noscript-note{position:fixed;bottom:0;left:0;right:0;background:#fff4cf;padding:15px;text-align:center;color:#5e4916;font-size:14px;z-index:25}.ad-slot{min-height:250px;text-align:center;border:1px solid #e2e7ef;border-radius:8px;margin:20px 0}.ad-slot>span{display:block;letter-spacing:1px;text-transform:uppercase;font-size:11px;color:#6c7c93;margin:10px}footer{flex-wrap:wrap;line-height:1.6;font-size:12px}footer a:hover{text-decoration:underline}.top-meta{font-size:12px}.page-head h1{max-width:930px}.article-layout .right-column{min-width:0}.intro{max-width:850px}.guide-card .tag{font-size:12px}.guide-card .meta{font-size:12px}.section-title{font-size:17px}.console small{font-size:12px}.hint,.privacy-note{color:#586b87}.privacy-note{font-size:12px}.report-item p{overflow-wrap:anywhere}.blue-note{font-size:14px}.blue-note>span{flex:none}.mode button{min-height:42px}.text-button{min-height:38px}.symptom{min-height:51px}.guide-card h3{line-height:1.6}.guide-row .guide-card{min-height:180px}
@media(max-width:1150px){.article-layout{grid-template-columns:minmax(0,1fr) 240px}.brand{font-size:20px;gap:9px}.brand img{width:40px;height:40px}.brand>span:last-child>span{font-size:11px;letter-spacing:.15px}.top-meta{display:none}.page-head{align-items:flex-start}.guide-row{grid-template-columns:1fr}.guide-row .guide-card{min-height:130px}.guide-row .guide-card:last-child{display:flex}}
@media(max-width:900px){.sidebar nav{flex-wrap:wrap}.nav-item{flex:1 1 40%}.sidebar{overflow:visible}.brand{font-size:21px;gap:12px}.brand>span:last-child>span{font-size:12px}.article-layout{grid-template-columns:1fr}.article-layout>.right-column{display:none}.case-fields{grid-template-columns:1fr 1fr}.page-head{flex-direction:column}.mode{margin-top:0}}
@media(max-width:650px){.sidebar nav{gap:5px}.sidebar .nav-item{font-size:13px;justify-content:flex-start;padding:10px 11px}.case-fields{grid-template-columns:1fr}.saved-card{align-items:flex-start;flex-direction:column}.saved-card h2{font-size:17px}.contents{gap:13px;flex-direction:column}.article{padding:23px 19px}.guide-steps{padding-left:22px!important}.article-layout{gap:16px}.brand{font-size:22px}.sidebar .brand img{width:43px;height:43px}input,select,textarea{font-size:16px}.console strong{font-size:13px}.console small{font-size:11px}.symptoms{grid-template-columns:1fr}.symptom{font-size:15px;padding:14px}.symptom .symbol{margin-right:8px}.consoles{grid-template-columns:1fr}.console{min-height:65px;padding:13px 16px}.console.selected{padding:12.5px 15.5px}.console strong{font-size:15px}.console small{font-size:12px;margin-top:5px}.topbar{height:55px}.page-head h1{font-size:27px}.sidebar-note{display:none}.guide-row{grid-template-columns:1fr}.report-card .step-actions>*{flex:1 1 40%}.article .primary{color:white;text-decoration:none}.step-content p{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
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