:root{--bg:#f2f4f6;--card:#fff;--ink:#18202c;--sub:#4a5568;--rule:#d3d9e0;--ind:#2b3a8c;--indbg:#e4e8f7;--rust:#b4400e;--rustbg:#fbe9df;--plum:#6b2f86;--plumbg:#f1e6f6;--panel:#0f1724;--amber:#ffb547;--panelsub:#c6cfdc;--sun:#ffc800}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;counter-reset:rd}
img{max-width:100%;height:auto}
a{color:var(--ind);text-underline-offset:3px}
a:hover{color:var(--rust)}
:focus-visible{outline:3px solid var(--rust);outline-offset:2px}
h1,h2,h3{font-family:Georgia,"Iowan Old Style","Times New Roman",serif;line-height:1.2;color:var(--ink);font-weight:700}
h1{font-size:clamp(1.9rem,4vw,2.75rem);margin:.15em 0 .4em}
h2{font-size:clamp(1.38rem,2.4vw,1.8rem);margin:0 0 .65em}
h3{font-size:1.14rem;margin:1.2em 0 .45em}
p{margin:0 0 1em}
.sh-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sh-skip{position:absolute;left:-9999px;display:inline-flex;align-items:center;min-height:44px;min-width:44px}.sh-skip:focus{left:12px;top:12px;background:var(--ink);color:#fff;padding:10px 14px;z-index:9}
.sh-top{background:var(--card);border-bottom:4px solid var(--ind)}
.sh-top-in{max-width:1180px;margin:0 auto;padding:10px 24px 4px;display:flex;align-items:center;gap:14px}
.sh-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);min-width:0;min-height:44px}
.sh-brand img{height:28px;width:auto}
.sh-name{font:700 1.08rem/1.2 Georgia,"Iowan Old Style",serif;min-width:0}
.sh-nav{max-width:1180px;margin:0 auto;padding:0 18px}
.sh-nav ul,.sh-menu ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:nowrap;gap:0 2px}
.sh-nav a,.sh-menu a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:0 11px;text-decoration:none;color:var(--ink);font-size:.95rem;white-space:nowrap;border-top:3px solid transparent}
.sh-nav a[aria-current],.sh-nav a:hover{border-top-color:var(--rust);color:var(--ind)}
.sh-menu{display:none;margin-left:auto}
.sh-menu summary{cursor:pointer;min-height:44px;min-width:44px;display:flex;align-items:center;padding:0 12px;border:1px solid var(--rule);list-style:none}
.sh-menu summary::-webkit-details-marker{display:none}
.sh-menu ul{flex-direction:column;padding:8px 0}
main{display:block}
.sh-sec{max-width:1180px;margin:0 auto;padding:40px 24px;position:relative}
.sh-ticket{background:var(--card);margin-top:26px;border:1px solid var(--rule);border-top:0}
.sh-ticket::before{content:"";position:absolute;left:0;right:0;top:-9px;height:10px;background:radial-gradient(circle at 7px 0,transparent 6px,var(--card) 6.5px) 0 0/14px 10px repeat-x}
.sh-col{max-width:760px;margin:0 auto;position:relative}
.sh-colwide{max-width:1132px}
.sh-ticket>.sh-col:first-child>h2{counter-increment:rd}
.sh-ticket>.sh-col:first-child>h2::before{content:counter(rd,decimal-leading-zero);display:inline-block;vertical-align:.2em;margin-right:12px;padding:2px 7px;font:700 .8rem/1.3 Consolas,ui-monospace,monospace;background:var(--panel);color:var(--amber);border-radius:3px}
.sh-head{padding-top:26px;padding-bottom:8px}
.sh-lede{font-size:1.13rem;color:var(--sub);max-width:68ch}
.sh-meta{font:.86rem/1.4 Consolas,ui-monospace,monospace;color:var(--sub)}
.sh-crumbs{font-size:.9rem;color:var(--sub)}
.sh-crumbs a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.sh-split{display:grid;grid-template-columns:45fr 55fr;gap:40px;align-items:stretch;max-width:1132px;margin:0 auto}
.sh-split.sh-left{grid-template-columns:55fr 45fr}
.sh-split.sh-left .sh-fig{order:-1}
.sh-txt{min-width:0}
.sh-after{margin-top:1.3em}
.sh-fig{margin:0 0 1.2em;display:flex;flex-direction:column}
.sh-split .sh-fig{margin:0}
.sh-fig img{display:block;width:100%;height:auto;border:1px solid var(--rule);background:#fff}
.sh-fig figcaption{font-size:.86rem;color:var(--sub);margin-top:.5em;line-height:1.45}
.sh-wide{max-width:1132px;margin:0 auto}
.sh-wide .sh-fig{margin:1em 0 0}
.sh-code{font:.9em Consolas,ui-monospace,monospace;background:var(--indbg);padding:1px 5px;border-radius:3px;white-space:nowrap}
.sh-hero{padding-top:34px;padding-bottom:18px}
.sh-hero h1{max-width:24ch}
.sh-search{display:flex;margin:20px 0 6px;max-width:760px;border:2px solid var(--ind);background:#fff;border-radius:4px;overflow:hidden}
.sh-search label{position:absolute;left:-9999px}
.sh-search input{flex:1;min-width:0;border:0;padding:0 16px;font-size:1.05rem;min-height:58px;background:#fff;color:var(--ink)}
.sh-search button{border:0;background:var(--ind);color:#fff;font-weight:700;font-size:1rem;padding:0 26px;min-height:58px;min-width:44px;cursor:pointer}
.sh-search button:hover{background:var(--ink)}
.sh-sub{display:flex;flex-wrap:wrap;gap:0 22px;font-size:.95rem;margin:2px 0 0}
.sh-sub a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink)}
.sh-wall-sec{padding-top:12px}
.sh-wall-intro{max-width:1132px;margin:0 auto 14px}
.sh-wall{list-style:none;margin:0 auto;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1132px}
.sh-card{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--rule);border-radius:4px;overflow:hidden}
.sh-card:hover{border-color:var(--ind)}
.sh-card img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}
.sh-card-t{display:block;padding:10px 12px 2px;font-weight:700}
.sh-card-n{display:block;padding:0 12px 4px;font-size:.86rem;color:var(--sub)}
.sh-card-b{display:inline-block;margin:4px 12px 12px;font:.72rem/1 Consolas,ui-monospace,monospace;letter-spacing:.04em;text-transform:uppercase}
.sh-card.sh-b-floor{border-bottom:5px solid var(--rust)}.sh-card.sh-b-floor .sh-card-b{color:var(--rust)}
.sh-card.sh-b-percentage{border-bottom:5px solid var(--ind)}.sh-card.sh-b-percentage .sh-card-b{color:var(--ind)}
.sh-card.sh-b-ceiling{border-bottom:5px solid var(--plum)}.sh-card.sh-b-ceiling .sh-card-b{color:var(--plum)}
.sh-panel{background:var(--panel);color:#eef2f7;border-color:#000}
.sh-panel::before{background:radial-gradient(circle at 7px 0,transparent 6px,var(--panel) 6.5px) 0 0/14px 10px repeat-x}
.sh-panel h2,.sh-panel h3{color:#fff}
.sh-panel a{color:var(--amber)}
.sh-panel .sh-fig figcaption{color:var(--panelsub)}
.sh-panel .sh-code{background:#24324a;color:var(--amber)}
.sh-bands{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:0 0 1.2em;border:1px solid var(--rule)}
.sh-bands>div{padding:14px 16px}
.sh-bands h3{margin:0 0 .3em}
.sh-bands .sh-bf{background:var(--rustbg);border-top:5px solid var(--rust)}
.sh-bands .sh-bp{background:var(--indbg);border-top:5px solid var(--ind)}
.sh-bands .sh-bc{background:var(--plumbg);border-top:5px solid var(--plum)}
.sh-table{width:100%;border-collapse:collapse;font-size:.93rem;margin:0 0 1.2em;background:var(--card)}
.sh-table th,.sh-table td{border:1px solid var(--rule);padding:7px 9px;text-align:left;vertical-align:top}
.sh-table th{background:var(--indbg);font-weight:700}
.sh-table td.sh-n{white-space:nowrap;font-variant-numeric:tabular-nums}
.sh-scroll{overflow-x:auto;max-width:100%}
.sh-list{padding-left:1.2em}
.sh-list li{margin-bottom:.45em}
.sh-steps{list-style:none;counter-reset:st;padding:0;margin:0 0 1em}
.sh-steps li{counter-increment:st;position:relative;padding:0 0 .9em 46px}
.sh-steps li::before{content:counter(st);position:absolute;left:0;top:0;width:30px;height:30px;border:2px solid var(--ind);border-radius:3px;color:var(--ind);font:700 .9rem/26px Consolas,ui-monospace,monospace;text-align:center}
.sh-quote{margin:0 0 1em;padding:12px 16px;background:var(--bg);border-left:4px solid var(--ind);font-size:.97rem}
.sh-quote cite{display:block;font-style:normal;font-size:.84rem;color:var(--sub);margin-top:.4em}
.sh-note{font-size:.92rem;color:var(--sub);border-left:3px solid var(--sun);padding:.3em 0 .3em .9em;margin:1em 0}
.sh-cta{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;background:var(--ind);color:#fff;text-decoration:none;font-weight:700;border-radius:3px}
.sh-cta:hover{background:var(--ink);color:#fff}
.sh-strip{padding-top:14px;padding-bottom:14px}.sh-strip-p{font-size:1rem;border-top:1px dashed var(--rule);border-bottom:1px dashed var(--rule);padding:.6em 0;margin:0}
.sh-next{padding-top:18px}
.sh-next p{font-family:Georgia,"Iowan Old Style",serif;font-size:1.1rem}
.sh-strip-p a,.sh-next a,.sh-txt a,.sh-col p a,.sh-list a,.sh-table a,.sh-quote a,.sh-note a,.sh-steps a,.sh-faq a,.sh-bands a{display:inline-flex;align-items:center;min-height:44px}
.sh-faq details{border-bottom:1px solid var(--rule);padding:4px 0}
.sh-faq summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center}
.sh-faq details p{margin:.3em 0 .9em}
.sh-meter{background:var(--panel);color:#eef2f7;border-radius:6px;padding:18px;border:2px solid #000}
.sh-meter h3{color:#fff;margin-top:.4em}
.sh-m-top{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:end;margin-bottom:12px}
.sh-m-top label{display:block;font-weight:700;color:#fff;margin-bottom:4px}
.sh-meter input,.sh-meter select{min-height:44px;font-size:1rem;padding:0 8px;border:1px solid #66768f;background:#1d2a3d;color:#fff;border-radius:3px;width:100%;color-scheme:dark}
.sh-m-in{width:100%;border-collapse:collapse;margin:0 0 10px}
.sh-m-in th{color:var(--amber);text-align:left;font:700 .82rem/1.3 Consolas,ui-monospace,monospace;padding:6px 4px;border-bottom:1px solid #33425b}
.sh-m-in td{padding:5px 4px;vertical-align:middle}
.sh-m-in td:nth-child(2){width:120px}.sh-m-in td:nth-child(3){width:165px}.sh-m-in td:nth-child(4){width:200px}.sh-m-in td:nth-child(5){width:96px}
.sh-meter button{min-height:44px;min-width:44px;padding:0 14px;border:1px solid var(--amber);background:transparent;color:var(--amber);font-weight:700;cursor:pointer;border-radius:3px}
.sh-meter button:hover{background:var(--amber);color:var(--panel)}
.sh-m-scroll{overflow-x:auto;margin-top:14px}
.sh-m-res{width:100%;border-collapse:collapse;font:.84rem/1.4 Consolas,ui-monospace,monospace;min-width:900px}
.sh-m-res caption{text-align:left;color:var(--panelsub);padding:0 0 6px;font-size:.85rem}
.sh-m-res th,.sh-m-res td{border-bottom:1px solid #33425b;padding:7px 6px;text-align:left;vertical-align:top;color:#eef2f7}
.sh-m-res thead th{color:var(--amber)}
.sh-m-res span{display:block;color:var(--panelsub);font-size:.78rem}
.sh-m-res tr.sh-b-floor th{border-left:5px solid #f08a5d}.sh-m-res tr.sh-b-percentage th{border-left:5px solid #8fa3ff}.sh-m-res tr.sh-b-ceiling th{border-left:5px solid #d39af0}
.sh-m-total{margin:12px 0;color:#fff}
.sh-m-h{font-size:1.05rem}
.sh-m-order{margin:0;padding-left:1.4em}.sh-m-order li{margin-bottom:.35em}
.sh-m-msg{color:var(--amber)}
.sh-foot{background:var(--ink);color:#e8ecf2;margin-top:40px}
.sh-foot a{color:var(--amber)}
.sh-foot-in{max-width:1180px;margin:0 auto;padding:40px 24px 10px;display:grid;grid-template-columns:5fr 3fr 4fr;gap:36px}
.sh-foot-name{display:flex;align-items:center;gap:14px;font:700 1.1rem Georgia,serif}
.sh-foot-name img{height:46px;width:auto}
.sh-foot-h{font:700 .82rem Consolas,ui-monospace,monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--amber);margin-bottom:.4em}
.sh-foot ul{list-style:none;padding:0;margin:0;columns:2;gap:18px}
.sh-foot li a,.sh-foot p a{display:inline-flex;align-items:center;min-height:44px}
.sh-foot-base{max-width:1180px;margin:0 auto;padding:10px 24px 30px;font-size:.85rem;color:#cdd5e0}
@media (max-width:1100px){.sh-nav a{padding:0 8px;font-size:.9rem}}
@media (max-width:980px){.sh-nav{display:none}.sh-menu{display:block}.sh-wall{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){.sh-split,.sh-split.sh-left{grid-template-columns:1fr}.sh-split.sh-left .sh-fig{order:0}.sh-foot-in{grid-template-columns:1fr}.sh-bands{grid-template-columns:1fr}.sh-m-in thead{display:none}.sh-m-in tr{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:8px 0;border-bottom:1px solid #33425b}.sh-m-in td{width:auto!important}}
@media (max-width:640px){body{font-size:16px}.sh-wall{grid-template-columns:repeat(2,1fr);gap:10px}.sh-sec{padding:30px 16px}.sh-name{font-size:.92rem}.sh-ticket{margin-top:20px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

.sh-home-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:center}.sh-brand-scene{margin:0;text-align:center}.sh-brand-scene img{display:block;width:auto;height:330px;margin:auto;object-fit:contain}.sh-brand-scene figcaption{font-size:.75rem;color:var(--sub)}.sh-home-intro{display:grid;grid-template-columns:1fr 1fr;gap:36px}.sh-home-intro a,.sh-home-meter a{display:inline-flex;align-items:center;min-height:44px}.sh-home-meter{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:center}.sh-home-meter .sh-fig{max-width:320px}.sh-home-meter a,.sh-home-meter figcaption{color:#e4e8f7}.sh-home-meter h2{color:#fff}@media(max-width:700px){.sh-home-hero{grid-template-columns:1fr;gap:12px}.sh-home-hero h1{font-size:2rem}.sh-brand-scene{display:flex;align-items:center;justify-content:center;gap:18px}.sh-brand-scene img{height:170px;margin:0}.sh-brand-scene figcaption{max-width:120px;text-align:left}.sh-home-intro,.sh-home-meter{grid-template-columns:1fr;gap:24px}.sh-home-meter .sh-fig{margin:auto}.sh-search button{padding:0 16px}}

/* Original official guide images retain their dimensions and reading order. */
.lit-tutorial{margin:2rem auto;padding:clamp(16px,3vw,32px);max-width:1120px;border:1px solid #a9b1bd;border-radius:6px}.lit-tutorial details{border-top:1px solid #a9b1bd;padding:14px 0}.lit-tutorial summary{cursor:pointer;font-weight:700;min-height:44px;line-height:1.5}.lit-screen-row{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}.lit-screen-row figure{margin:0;flex:0 1 290px;max-width:100%}.lit-screen-row img{display:block;max-width:100%;width:auto;height:auto;max-height:none;border:1px solid #bec5ce}.lit-screen-row figcaption{font-size:.86rem;line-height:1.5;margin-top:8px}.lit-screen-row a{overflow-wrap:anywhere}.lit-tutorial p{max-width:78ch}.lit-tutorial a{min-height:44px;display:inline-flex;align-items:center}@media(max-width:600px){.lit-screen-row figure{flex-basis:100%}.lit-screen-row img{max-width:min(100%,386px);margin:auto}}

.sh-home-hero>*,.sh-home-intro>*,.sh-home-meter>*{min-width:0}.sh-home-meter .sh-fig{max-width:min(320px,100%)}

/* Wider original desktop order forms; no upscale, mobile uses available width. */
.lit-screen-row figure[data-official-image="03"],.lit-screen-row figure[data-official-image="04"],.lit-screen-row figure[data-official-image="05"]{flex-basis:645px}
@media(max-width:600px){.lit-tutorial{padding:8px}.lit-screen-row figure[data-official-image="03"],.lit-screen-row figure[data-official-image="04"],.lit-screen-row figure[data-official-image="05"]{flex-basis:100%}}