:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;color:#203449;background:#f3f6fa;line-height:1.5}*{box-sizing:border-box}body{margin:0;min-width:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #3276ac;outline-offset:3px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px clamp(16px,3vw,40px);background:#fff;border-bottom:1px solid #dce4ed}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand>span:last-child{min-width:0}.brand-icon{display:grid;place-items:center;flex:none;width:54px;height:54px;border-radius:15px;background:#18364f;color:#fff;font-size:15px;font-weight:750;letter-spacing:-.5px}.brand strong{display:block;font-size:clamp(20px,2.4vw,28px);line-height:1.25;letter-spacing:-.5px}.brand small{display:block;margin-top:5px;font-size:12px;color:#52667a;overflow-wrap:anywhere}.help-link{display:flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid #cbd8e6;border-radius:12px;font-weight:650;font-size:14px;flex:none;background:#f6f9fc}main{width:100%;max-width:1600px;margin:auto;padding:20px clamp(16px,3vw,40px)}.library-tools{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}h1{font-size:22px;letter-spacing:-.4px;margin:0}.search{width:min(48%,400px)}.search input{width:100%;min-width:0;min-height:46px;padding:10px 14px;background:#fff;color:#203449;border:1px solid #cbd8e6;border-radius:12px;font-size:16px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{--tone:#285d8d;display:flex;align-items:center;gap:14px;min-width:0;min-height:150px;padding:22px;border:1px solid #d7e1eb;border-radius:18px;background:#fff;box-shadow:0 3px 12px #18364f06;transition:border-color .15s,box-shadow .15s}.card:hover{border-color:#8caeca;box-shadow:0 5px 18px #18364f12}.card:active{background:#edf3f9}.section-icon{display:grid;place-items:center;flex:none;width:48px;height:48px;border-radius:13px;background:#edf3f9;color:var(--tone);font-size:27px;font-weight:650}.antenna{--tone:#685997}.loads{--tone:#87622c}.guide{--tone:#4b6276}.card-copy{min-width:0;flex:1}.card h2{font-size:18px;line-height:1.3;margin:0 0 6px;letter-spacing:-.25px}.card p{margin:0;color:#53677b;font-size:14px;line-height:1.5}.card-arrow{color:#607b93;font-size:22px}.declaration{margin-top:22px;padding:18px 20px;border:1px solid #d9e2ec;border-radius:14px;background:#eaf0f6}.declaration h2{margin:0 0 6px;font-size:14px}.declaration p{margin:0;color:#4c6074;font-size:13px;line-height:1.6}.page-footer{padding:8px 20px 20px;text-align:center;color:#5c6e81;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}.guide-main{max-width:1200px}.guide-intro{margin:6px 0 18px;color:#52667a;font-size:14px}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.guide-section{padding:20px;background:#fff;border:1px solid #d7e1eb;border-radius:16px;min-width:0}.guide-section h2{font-size:18px;margin:0 0 9px}.guide-section p,.guide-section li{font-size:15px;line-height:1.65;color:#40576d}.guide-section p{margin:0}.guide-section ul{padding-left:20px;margin:0}.guide-section li+li{margin-top:5px}.guide-section a{color:#235f91;text-decoration:underline;text-underline-offset:3px}.guide-note{font-size:14px;color:#4c6074;margin:18px 0}.back-link{display:inline-flex;align-items:center;min-height:44px;font-weight:650;color:#285d8d;margin-bottom:8px}@media(max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.card{min-height:130px;padding:18px}}@media(max-width:600px){.header{padding:14px 16px;align-items:flex-start;gap:8px}.brand{gap:9px}.brand-icon{width:40px;height:44px;border-radius:11px;font-size:12px}.brand strong{font-size:20px}.brand small{font-size:11px;line-height:1.5}.header .help-link{display:none}main{padding:16px}.library-tools{gap:12px;margin-bottom:14px}.search{width:64%}h1{font-size:20px}.cards,.guide-grid{grid-template-columns:minmax(0,1fr);gap:10px}.card{min-height:100px;padding:16px;gap:12px;border-radius:15px}.card h2{font-size:17px}.card p{font-size:13px}.section-icon{width:44px;height:44px}.declaration{padding:16px;margin-top:16px}.guide-section{padding:17px}.page-footer{font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.guide-nav{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-shrink:0}.guide-nav a{display:flex;align-items:center;min-height:44px;padding:8px 4px;font-size:14px;font-weight:650;color:#285d8d;white-space:nowrap}.guide-divider{height:20px;width:1px;background:#cbd8e6}.guide-nav a:hover{text-decoration:underline}.guide-nav a[aria-current="page"]{color:#203449;text-decoration:underline;text-underline-offset:5px}@media(max-width:1000px){.header{flex-wrap:wrap}.guide-nav{margin-left:auto}}@media(max-width:600px){.guide-nav{gap:12px}.guide-nav a{font-size:13px;padding:4px;min-height:44px}}

/* Distinct section identities shared with the module screens. */
.card.alpha{--tone:#466580;--card-tint:#e5ebef;--card-line:#bdc9d2}
.card.cockpit{--tone:#395878;--card-tint:#e5e9ee;--card-line:#bec8d4}
.card.relay{--tone:#4f5198;--card-tint:#e8e8ef;--card-line:#c6c6d8}
.card.antenna{--tone:#765d70;--card-tint:#ece6eb;--card-line:#d1c3cd}
.card.loads{--tone:#80634e;--card-tint:#ede8e2;--card-line:#d3c8bc}
.card{background:linear-gradient(125deg,var(--card-tint),#fff 85%);border-color:var(--card-line);border-top:4px solid var(--tone)}.card .section-icon{background:var(--card-tint);color:var(--tone)}.card h2,.card .card-arrow{color:var(--tone)}.card:hover{border-color:var(--tone)}.card:active{background:var(--card-tint)}



/* Flat, low-saturation surfaces and equal-sized section cards. */
:root{background:#e9ecee}.header{background:#f3f4f3}.cards{grid-auto-rows:1fr}.card{grid-column:auto!important;background:var(--card-tint);box-shadow:none;transition:border-color .15s}.card:hover{box-shadow:none;background:var(--card-tint)}.card .section-icon{background:transparent}.declaration{background:#e1e6ea;border-color:#c8d0d7}.card p{color:#485967}.search input{background:#f5f6f5}.card h2{color:var(--tone)}

.guide-nav{flex-wrap:wrap;max-width:100%;flex-shrink:1}.contact-section{max-width:760px}.contact-section p+p{margin-top:14px}.contact-email{display:inline-flex;align-items:center;min-height:44px;margin-top:18px;font-weight:650;overflow-wrap:anywhere;max-width:100%}

html[data-color-mode="dark"] .guide-section .contact-email{color:#9ed6ff}