/* Accepted A design. All declarations apply only inside the online-tools main. */
#crane-guided{box-sizing:border-box;margin:0;background:#fff;color:#243e52;font:16px/1.6 Arial,Helvetica,sans-serif;text-align:left;isolation:isolate;min-width:0}#crane-guided *{box-sizing:border-box}#crane-guided a{text-decoration:none}#crane-guided a:hover{text-decoration:underline}

/* guided.css */
#crane-guided *{box-sizing:border-box}


#crane-guided button,#crane-guided input,#crane-guided select{font:inherit}
#crane-guided button,#crane-guided a,#crane-guided input,#crane-guided select,#crane-guided summary{-webkit-tap-highlight-color:transparent}
#crane-guided button{cursor:pointer}
#crane-guided a{color:inherit;text-decoration:none}
#crane-guided a:hover{text-decoration:underline}
#crane-guided button:focus-visible,#crane-guided a:focus-visible,#crane-guided input:focus-visible,#crane-guided select:focus-visible,#crane-guided summary:focus-visible{outline:3px solid #68a0cc;outline-offset:4px}
#crane-guided [hidden]{display:none!important}
#crane-guided .wrap{max-width:1400px;margin:auto;padding:0 42px}















#crane-guided{--blue:#285f99;--navy:#153d60;--ink:#20394d;--muted:#617789;--line:#dce5ed;--paper:#f4f7fa;--gold:#c79a5d}
#crane-guided h1,#crane-guided h2,#crane-guided h3,#crane-guided p{margin:0}
#crane-guided h1,#crane-guided h2,#crane-guided h3{line-height:1.2;letter-spacing:-.025em;color:var(--ink)}
#crane-guided h1{font-size:42px}
#crane-guided h2{font-size:28px}
#crane-guided h3{font-size:18px}
#crane-guided .eyebrow{display:block;font-size:10px;line-height:1.5;letter-spacing:.14em;font-weight:700;color:var(--blue);margin-bottom:12px}
#crane-guided .button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;min-height:48px;padding:13px 20px;border:1px solid transparent;font-size:13px;font-weight:700;line-height:1.4;border-radius:5px;text-decoration:none}
#crane-guided .button-primary{background:var(--blue);border-color:var(--blue);color:#fff}
#crane-guided .button-primary:hover{background:#1b4d7e}
#crane-guided .button-white{background:#fff;color:var(--navy)}
#crane-guided .hub-hero{background:#143b5d;position:relative;overflow:hidden}
#crane-guided .hub-hero:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,transparent 65%,#ffffff03 65%),linear-gradient(60deg,transparent 75%,#ffffff02 75%)}
#crane-guided .hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:110px;align-items:center;padding-top:56px;padding-bottom:56px;position:relative;z-index:1}
#crane-guided .eyebrow.light{color:#b5d2e7;margin-bottom:20px}
#crane-guided .hub-hero h1{color:#fff;font-size:52px;line-height:1.13;letter-spacing:-.04em}
#crane-guided .hub-hero h1 em{font-style:normal;color:#b7d5ec}
#crane-guided .hub-hero p{color:#c2d5e3;font-size:15px;max-width:510px;margin:21px 0 25px;line-height:1.8}
#crane-guided .hero-facts{display:flex;gap:25px;color:#aac4d8;font-size:10px;margin-top:24px}
#crane-guided .hero-facts span:before{content:'✓';color:#d1e2ee;margin-right:7px}
#crane-guided .hero-start{background:#fff;border-radius:8px;padding:24px 27px;box-shadow:0 15px 40px #071d2d25}
#crane-guided .start-label{font-size:9px;font-weight:700;letter-spacing:.11em;color:#71879a;display:flex;gap:8px;align-items:center;margin-bottom:8px}
#crane-guided .start-label i{display:block;background:#c79a5d;border-radius:50%;width:5px;height:5px}
#crane-guided .hero-start>a{display:block;border-bottom:1px solid var(--line);padding:17px 0}
#crane-guided .hero-start>a>span{font-size:11px;color:var(--muted)}
#crane-guided .hero-start strong{display:flex;justify-content:space-between;gap:10px;font-size:15px;color:var(--navy);line-height:1.5;margin-top:5px}
#crane-guided .hero-start p{font-size:10px;color:var(--muted);line-height:1.7;margin:16px 0 0}
#crane-guided .intro-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;padding:30px 0;border-bottom:1px solid var(--line);margin-bottom:45px}
#crane-guided .intro-strip>div{display:flex;gap:15px;align-items:center}
#crane-guided .mini-number{font-size:25px;font-weight:400;color:#b9cbd9;line-height:1}
#crane-guided .intro-strip>div>span+span{font-size:11px;color:var(--muted)}
#crane-guided .intro-strip b{display:block;color:var(--ink);font-size:13px;margin-bottom:3px}
#crane-guided .section-title{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:26px}
#crane-guided .section-title .eyebrow{margin-bottom:9px}
#crane-guided .search{display:flex;align-items:center;gap:10px;border:1px solid #cedbe5;border-radius:6px;min-width:290px;padding:0 15px;color:#71889a;background:#fff}
#crane-guided .search input{border:0;min-width:0;width:100%;padding:12px 0;font-size:12px;min-height:44px;background:transparent}
#crane-guided .category-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--line);border-radius:7px;overflow:hidden;margin-bottom:30px}
#crane-guided .category-grid button{border:0;border-right:1px solid var(--line);background:#fff;color:#60768a;padding:17px 10px;text-align:center;min-width:0;position:relative}
#crane-guided .category-grid button:last-child{border-right:0}
#crane-guided .category-grid button[aria-pressed=true]{background:#eaf2f9;color:#245986}
#crane-guided .category-grid button[aria-pressed=true]:after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:#285f99}
#crane-guided .category-grid svg{width:32px;height:32px;display:block;margin:0 auto 10px}
#crane-guided .category-grid b{display:block;font-size:11px;font-weight:600;line-height:1.4}
#crane-guided .category-grid small{display:block;color:#8397a8;font-size:9px;margin-top:5px}
#crane-guided .category-all{display:block;font-size:26px;font-weight:700;line-height:32px;margin-bottom:10px}
#crane-guided .list-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
#crane-guided .list-title h3{font-size:17px}
#crane-guided .list-title>span{font-size:11px;color:var(--muted)}
#crane-guided .tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
#crane-guided .tool-card{display:flex;flex-direction:column;background:#fff;border:1px solid #dfe7ee;border-radius:7px;min-width:0;padding:22px 23px;transition:box-shadow .15s,border-color .15s}
#crane-guided .tool-card:hover{box-shadow:0 8px 25px #123a5e0c;border-color:#8eabc2;text-decoration:none}
#crane-guided .card-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
#crane-guided .card-number{font-size:11px;color:#8198ac;font-variant-numeric:tabular-nums}
#crane-guided .card-level{font-size:9px;color:#5f7b90;background:#f1f5f8;padding:2px 7px;border-radius:3px}
#crane-guided .card-head>span:last-child{margin-left:auto;color:#6485a0;font-size:17px}
#crane-guided .tool-card h3{font-size:19px;line-height:1.35;max-width:290px;margin-bottom:11px}
#crane-guided .tool-card p{font-size:12px;color:var(--muted);line-height:1.85;margin-bottom:20px}
#crane-guided .card-bottom{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #edf1f5;padding-top:14px;margin-top:auto;font-size:10px;color:#5b7d9a}
#crane-guided .card-bottom b{font-size:15px}
#crane-guided .empty-state{background:var(--paper);padding:30px;font-size:14px;color:var(--muted)}
#crane-guided .help-banner{display:flex;align-items:center;gap:23px;background:#eef4f9;border-radius:8px;padding:28px 30px;margin:42px 0 15px}
#crane-guided .help-mark{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:#dce8f2;color:var(--blue);font-size:23px;flex-shrink:0}
#crane-guided .help-banner h2{font-size:23px}
#crane-guided .help-banner p{font-size:12px;color:var(--muted);line-height:1.8;max-width:780px;margin-top:8px}
#crane-guided .help-banner>a{white-space:nowrap;margin-left:auto;font-size:12px;font-weight:700;color:var(--blue);display:flex;gap:20px}
#crane-guided .tool-topline{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0 12px}
#crane-guided .breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;color:#7c91a2;font-size:11px}
#crane-guided .breadcrumbs a:first-child{color:var(--blue)}
#crane-guided .tool-picker-label{display:flex;align-items:center;gap:10px;font-size:10px;color:#8295a5;white-space:nowrap}
#crane-guided .tool-picker-label select{font-size:10px;color:#536f85;border:1px solid #dce6ee;padding:7px 10px;background:#fff;border-radius:4px;max-width:265px;min-width:0}
#crane-guided .tool-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:70px;align-items:center;padding:25px 0 30px}
#crane-guided .tool-hero h1{font-size:40px;line-height:1.17;max-width:720px}
#crane-guided .tool-hero>div>p{font-size:14px;line-height:1.85;color:var(--muted);margin-top:16px;max-width:710px}
#crane-guided .dot-separator{color:#bdcbd6;margin:0 8px}
#crane-guided .tool-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:17px;color:#708799;font-size:10px}
#crane-guided .tool-meta>span{display:flex;align-items:center;gap:6px}
#crane-guided .tool-meta>span:before{content:'';width:4px;height:4px;border-radius:50%;background:#b2c3d1}
#crane-guided .prepare-card{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:7px;background:#fafcfd;padding:20px 21px}
#crane-guided .prepare-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:#e5eff6;color:var(--blue);border-radius:50%;font-size:12px;flex-shrink:0}
#crane-guided .prepare-card h2{font-size:15px;line-height:1.5;margin-bottom:8px}
#crane-guided .prepare-card ul{margin:0;padding-left:14px}
#crane-guided .prepare-card li{font-size:11px;line-height:1.85;color:var(--muted);margin-bottom:5px}
#crane-guided .page-nav{display:flex;align-items:center;gap:29px;border-top:1px solid #e5ecf2;border-bottom:1px solid #d6e2ec;background:#fff;position:sticky;top:0;z-index:10;margin-bottom:28px;overflow:auto;scrollbar-width:thin}
#crane-guided .page-nav a{font-size:12px;color:#718799;padding:16px 0;white-space:nowrap;border-bottom:2px solid transparent}
#crane-guided .page-nav a[aria-current]{color:var(--blue);font-weight:700;border-color:var(--blue)}
#crane-guided .calculator-workspace{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:23px;align-items:start;scroll-margin-top:75px}
#crane-guided .input-panel,#crane-guided .results-panel{min-width:0;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 3px 12px #183e5d04}
#crane-guided .input-panel{padding:24px}
#crane-guided .results-panel{padding:24px;position:sticky;top:74px}
#crane-guided .panel-heading{display:flex;align-items:center;gap:9px;margin-bottom:21px;min-width:0}
#crane-guided .panel-heading h2{font-size:17px;line-height:1.4;letter-spacing:-.015em}
#crane-guided .step-dot{display:inline-flex;align-items:center;justify-content:center;width:23px;height:23px;background:#eaf1f7;color:var(--blue);border-radius:50%;font-size:11px;font-weight:700;flex-shrink:0}
#crane-guided .panel-tag{margin-left:auto;font-size:9px;color:#8a9dac}
#crane-guided .shape-section{border-bottom:1px solid #e8eef3;padding-bottom:20px;margin-bottom:22px}
#crane-guided .shape-section .panel-heading{margin-bottom:15px}
#crane-guided .shape-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
#crane-guided .shape-option{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;min-width:0;padding:12px 4px 10px;border:1px solid #dce5ed;border-radius:5px;background:#fff;color:#7890a3;position:relative}
#crane-guided .shape-option svg{width:36px;height:36px}
#crane-guided .shape-option span{font-size:10px;color:#5d778c;white-space:nowrap}
#crane-guided .shape-option[aria-pressed=true]{background:#f0f6fb;border:1px solid #4e87b2;box-shadow:inset 0 0 0 1px #4e87b2;color:#285f99}
#crane-guided .shape-option[aria-pressed=true] span{color:#285f99;font-weight:700}
#crane-guided .shape-option[aria-pressed=true]:after{content:'✓';position:absolute;right:5px;top:2px;font-size:10px;color:#285f99}
#crane-guided .visual-input-grid{display:grid;grid-template-columns:1fr;gap:22px;align-items:start}
#crane-guided .model-diagram{padding:15px;margin:0;background:#f7fafc;border:1px solid #e4edf4;border-radius:6px;min-width:0}
#crane-guided .diagram-tag{font-size:9px;letter-spacing:.04em;font-weight:700;color:#5c7c96;line-height:1.6;margin-bottom:7px}
#crane-guided .model-diagram svg{display:block;width:100%;height:220px;object-fit:contain}
#crane-guided .model-diagram figcaption{font-size:10px;color:#8a9daa;line-height:1.75;margin-top:10px}
#crane-guided .input-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 17px;min-width:0}
#crane-guided .field{min-width:0}
#crane-guided .field label{display:block;font-size:12px;line-height:1.5;font-weight:600;color:#35556e;min-height:36px;margin-bottom:7px}
#crane-guided .control{display:flex;align-items:center;background:#fff;border:1px solid #cddbe6;border-radius:5px;min-height:45px;overflow:hidden}
#crane-guided .control:focus-within{border-color:#4c88b7;box-shadow:0 0 0 2px #285f9910}
#crane-guided .control input{min-width:0;width:100%;border:0;background:transparent;padding:10px 12px;font-size:16px;line-height:1.4;color:#203e58;outline-offset:-3px;font-variant-numeric:tabular-nums}
#crane-guided .control select{min-width:0;width:100%;border:0;padding:11px 9px;font-size:12px;color:#355670;background:transparent;outline-offset:-3px}
#crane-guided .control .unit-select{background:#f4f7fa;border-left:1px solid #dce5ed;width:88px;max-width:48%;flex-shrink:0;font-size:10px;padding-left:8px}
#crane-guided .fixed-unit{font-size:11px;color:#8297a8;background:#f7f9fc;padding:12px 9px;align-self:stretch;white-space:nowrap;display:flex;align-items:center;justify-content:center;border-left:1px solid #e5ecf2}
#crane-guided .field small{display:block;font-size:10px;color:#8296a6;line-height:1.75;margin-top:7px}
#crane-guided .field [aria-invalid=true]{background:#fff4ef;box-shadow:inset 0 0 0 1px #b6664d}
#crane-guided .input-footer{display:flex;align-items:center;gap:15px;flex-wrap:wrap;border-top:1px solid #e7eef4;padding-top:21px;margin-top:23px}
#crane-guided .reset-button{border:0;background:none;font-size:11px;color:#6e889b;padding:10px 2px;min-height:43px}
#crane-guided .input-footer>span{font-size:9px;color:#93a6b4;margin-left:auto}
#crane-guided #form-error{font-size:12px;line-height:1.8;background:#fff3ee;border-left:3px solid #c7855c;padding:12px 14px;margin-top:17px;color:#96533d}
#crane-guided .results-panel .panel-heading{margin-bottom:19px}
#crane-guided #result-state{font-size:9px;color:#7a94a7;background:#f0f5f9;border-radius:4px;padding:3px 8px;margin-left:auto}
#crane-guided .primary-result{background:#edf4fa;border:1px solid #dce9f3;border-radius:6px;padding:21px 19px;margin-bottom:13px;min-width:0}
#crane-guided .primary-result>span{display:block;font-size:11px;color:#628098;line-height:1.6;margin-bottom:9px}
#crane-guided .primary-result>strong{display:block;font-size:36px;line-height:1.2;letter-spacing:-.04em;color:#225785;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
#crane-guided .primary-result small{display:inline-block;font-size:14px;letter-spacing:0;font-weight:400;margin-left:9px;color:#69869e}
#crane-guided .secondary-result{display:flex;align-items:baseline;justify-content:space-between;gap:17px;padding:12px 1px;border-bottom:1px solid #e9eff4;min-width:0}
#crane-guided .secondary-result>span{font-size:11px;color:#7890a2;line-height:1.6;flex:1}
#crane-guided .secondary-result>strong{font-size:14px;font-weight:600;color:#355b77;line-height:1.5;text-align:right;max-width:57%;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
#crane-guided .secondary-result small{font-size:10px;font-weight:400;margin-left:5px;color:#8a9eae;white-space:nowrap}
#crane-guided .result-guide-note{display:flex;gap:9px;align-items:flex-start;padding:16px 0}
#crane-guided .result-guide-note>span{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border:1px solid #b2c6d6;border-radius:50%;font-size:10px;line-height:1;flex-shrink:0;color:#7997af;margin-top:3px;font-family:Georgia,serif}
#crane-guided .result-guide-note p{font-size:10px;color:#8a9eae;line-height:1.9}
#crane-guided .export-actions{display:flex;gap:7px}
#crane-guided .export-actions button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:41px;font-size:11px;border:1px solid #d4e0e9;border-radius:4px;background:#fff;color:#4a6c87;padding:10px 13px}
#crane-guided .export-actions button:first-child{flex:1;background:#285f99;color:#fff;border-color:#285f99}
#crane-guided .export-actions button:disabled{opacity:.4;cursor:not-allowed}
#crane-guided #action-status{font-size:11px;color:#477e6e;line-height:1.7;margin-top:9px;min-height:0}
#crane-guided #action-status:empty{display:none}
#crane-guided .result-explain-link{display:block;text-align:center;font-size:10px;color:#6a8ca7;margin-top:16px}
#crane-guided .result-warning{font-size:11px;line-height:1.85;padding:11px 13px;border-left:2px solid #c69664;background:#fcf6ee;color:#8c6e4d;margin-top:14px!important}
#crane-guided .invalid-result{padding:25px 15px;background:#f7f9fb;font-size:14px;color:#8a9aa6;line-height:1.8}
#crane-guided .usage-section{margin-top:55px;scroll-margin-top:78px}
#crane-guided .how-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
#crane-guided .how-cards article{padding:21px 23px 23px;background:#fafcfd;border:1px solid #e2eaf1;border-radius:7px}
#crane-guided .step-number{font-size:21px;line-height:1.2;color:#acc1d2;font-weight:400;display:block;margin-bottom:18px}
#crane-guided .how-cards h3{font-size:17px;line-height:1.4;margin-bottom:11px}
#crane-guided .how-cards p{font-size:12px;line-height:1.9;color:var(--muted)}
#crane-guided .learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:27px;margin-top:29px;align-items:stretch}
#crane-guided .worked-example{background:#f7f4ef;border:1px solid #ece4d9;border-radius:8px;padding:30px;scroll-margin-top:78px}
#crane-guided .worked-example .eyebrow{color:#9d7f56}
#crane-guided .worked-example h2{font-size:25px;max-width:460px}
#crane-guided .example-input{border-top:1px solid #e5ded4;margin-top:23px;padding-top:18px}
#crane-guided .example-input>span,#crane-guided .example-answer>span{font-size:9px;letter-spacing:.1em;font-weight:700;color:#a28a69}
#crane-guided .example-input p{font-size:12px;line-height:1.95;color:#7d776e;margin-top:8px}
#crane-guided .example-answer{background:#fff;border:1px solid #ebe4da;border-radius:5px;padding:17px 19px;margin-top:20px}
#crane-guided .example-answer p{font-size:14px;color:#46647b;line-height:1.9;margin-top:7px}
#crane-guided .example-button{display:flex;align-items:center;justify-content:space-between;gap:30px;border:0;background:transparent;padding:14px 0 0;color:#876e4f;font-size:12px;font-weight:700;text-align:left}
#crane-guided .interpretation{padding:30px 5px 20px 15px;scroll-margin-top:78px}
#crane-guided .interpretation h2{font-size:25px;margin-bottom:23px}
#crane-guided .interpretation-point{display:flex;gap:16px;align-items:flex-start;margin:0 0 20px}
#crane-guided .interpretation-point>span{font-size:10px;color:#8ea7ba;padding-top:4px}
#crane-guided .interpretation-point>p{font-size:12px;color:var(--muted);line-height:1.95}
#crane-guided .mistake-note{border-left:2px solid #c5a57a;padding:0 0 0 15px;margin-top:26px}
#crane-guided .mistake-note strong{display:block;font-size:11px;color:#997d58;margin-bottom:7px}
#crane-guided .mistake-note p{font-size:12px;color:#8e918f;line-height:1.85}
#crane-guided .reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;padding-top:33px;margin-top:32px;border-top:1px solid var(--line);scroll-margin-top:78px;align-items:start}
#crane-guided .formula-panel{border:1px solid var(--line);border-radius:7px;background:#fafcfd}
#crane-guided .formula-panel>summary{cursor:pointer;font-size:15px;font-weight:600;list-style:none;padding:20px 23px;color:#4b6b83;display:flex;align-items:center;justify-content:space-between;gap:20px}
#crane-guided .formula-panel>summary::-webkit-details-marker{display:none}
#crane-guided .formula-panel[open]>summary>span{transform:rotate(45deg)}
#crane-guided .formula-panel>div{padding:0 23px 23px}
#crane-guided .equations{background:#edf3f8;padding:15px;margin-bottom:18px;border-radius:4px}
#crane-guided .equations p{font:11px/1.9 Consolas,monospace;color:#5b7990;overflow-wrap:anywhere;margin-bottom:8px}
#crane-guided .equations p:last-child{margin-bottom:0}
#crane-guided .formula-panel ul{padding-left:17px;margin:0}
#crane-guided .formula-panel li{font-size:11px;line-height:1.9;color:#8296a5;margin-bottom:10px}
#crane-guided #calculation-steps p{font-size:11px;color:#8093a2;line-height:1.9;overflow-wrap:anywhere}
#crane-guided #calculation-steps h3{font-size:14px;margin:17px 0 10px}
#crane-guided .faq-panel{padding:8px 2px}
#crane-guided .faq-panel h2{font-size:19px;margin-bottom:14px}
#crane-guided .faq-panel details{border-bottom:1px solid var(--line)}
#crane-guided .faq-panel summary{cursor:pointer;font-size:12px;font-weight:600;line-height:1.8;color:#658096;padding:15px 0}
#crane-guided .faq-panel p{font-size:12px;line-height:1.95;color:#8195a5;padding-bottom:15px}
#crane-guided .related-tools{display:grid;grid-template-columns:1fr 2fr;gap:45px;border-top:1px solid var(--line);padding-top:30px;margin-top:40px}
#crane-guided .related-tools h2{font-size:25px}
#crane-guided .related-tools>div+div{display:flex;flex-direction:column}
#crane-guided .related-tools a{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid #e7edf3;padding:10px 0;font-size:12px;color:#597d9a}
#crane-guided .plot-panel{margin-top:25px;background:#fafcfd;border:1px solid #e0e9f1;border-radius:8px;padding:25px}
#crane-guided .plot-panel h2{font-size:22px}
#crane-guided #result-plot svg{display:block;width:100%;height:auto;margin-top:16px}
#crane-guided .noscript{background:#fff4e6;padding:12px 25px;font-size:13px}
#crane-guided[data-slug=section-properties] .visual-input-grid.has-diagram,#crane-guided[data-slug=material-weight] .visual-input-grid.has-diagram{grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:24px}
#crane-guided[data-slug=section-properties] .input-fields,#crane-guided[data-slug=material-weight] .input-fields{grid-template-columns:1fr;gap:15px}
#crane-guided[data-slug=section-properties] .field label,#crane-guided[data-slug=material-weight] .field label{min-height:0}
#crane-guided[data-slug=section-properties] .model-diagram svg{height:auto}
#crane-guided[data-slug=section-properties] .model-diagram{position:sticky;top:82px}
#crane-guided[data-slug=material-weight] .shape-options{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(min-width:1550px){#crane-guided .wrap{max-width:1440px}}
@media(max-width:1150px){#crane-guided .wrap{padding:0 28px}


#crane-guided .hero-grid{gap:55px!important}
#crane-guided .tool-hero{gap:30px;grid-template-columns:1.4fr 1fr}
#crane-guided .tool-hero h1{font-size:35px}
#crane-guided .calculator-workspace{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:18px}
#crane-guided .input-panel,#crane-guided .results-panel{padding:20px}
#crane-guided .primary-result{padding:18px 16px}
#crane-guided .primary-result>strong{font-size:30px}
#crane-guided .panel-tag{display:none}
#crane-guided .shape-option span{font-size:9px}
#crane-guided .shape-option{padding:10px 2px}
#crane-guided .shape-option svg{width:30px;height:30px}
#crane-guided[data-slug=section-properties] .visual-input-grid.has-diagram,#crane-guided[data-slug=material-weight] .visual-input-grid.has-diagram{grid-template-columns:1fr}
#crane-guided[data-slug=section-properties] .model-diagram svg{height:250px}
#crane-guided[data-slug=section-properties] .model-diagram{position:static}
#crane-guided[data-slug=section-properties] .input-fields,#crane-guided[data-slug=material-weight] .input-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
#crane-guided .field label{min-height:36px}
#crane-guided .tool-meta{font-size:9px;gap:12px}}
@media(max-width:920px){
#crane-guided .hero-grid{gap:35px!important}
#crane-guided .hub-hero h1{font-size:43px}
#crane-guided .hub-hero p{font-size:13px}
#crane-guided .hero-start{padding:20px}
#crane-guided .hero-start strong{font-size:13px}
#crane-guided .hero-facts{gap:15px;font-size:9px}
#crane-guided .category-grid{grid-template-columns:repeat(4,minmax(0,1fr));border-radius:7px}
#crane-guided .category-grid button{border-bottom:1px solid var(--line)}
#crane-guided .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
#crane-guided .section-title{align-items:flex-start;gap:20px}
#crane-guided .search{min-width:240px}
#crane-guided .section-title h2{font-size:25px}
#crane-guided .tool-hero{grid-template-columns:1fr;gap:22px}
#crane-guided .prepare-card{max-width:none}
#crane-guided .prepare-card ul{display:grid;grid-template-columns:1fr 1fr;gap:2px 35px}
#crane-guided .prepare-card h2{margin-bottom:8px}
#crane-guided .prepare-card{padding:15px 20px}
#crane-guided .calculator-workspace{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
#crane-guided .input-fields{grid-template-columns:1fr}
#crane-guided .field label{min-height:0}
#crane-guided[data-slug=section-properties] .input-fields,#crane-guided[data-slug=material-weight] .input-fields{grid-template-columns:1fr}
#crane-guided .primary-result>strong{font-size:29px}
#crane-guided .secondary-result{gap:12px}
#crane-guided .export-actions{flex-wrap:wrap}
#crane-guided .export-actions button{flex:1}
#crane-guided .input-footer .button{width:100%}
#crane-guided .input-footer>span{display:none}
#crane-guided .input-footer{gap:5px}
#crane-guided .how-cards{gap:15px}
#crane-guided .how-cards article{padding:20px}
#crane-guided .how-cards h3{font-size:15px}
#crane-guided .how-cards p{font-size:11px}
#crane-guided .learning-grid{gap:20px}
#crane-guided .worked-example{padding:25px}
#crane-guided .interpretation{padding:25px 0}
#crane-guided .help-banner{flex-wrap:wrap}
#crane-guided .help-banner>div:nth-child(2){flex:1}
#crane-guided .help-banner>a{margin-left:65px}
#crane-guided .tool-picker-label select{max-width:230px}}
@media(max-width:700px){#crane-guided .wrap{padding:0 20px}








#crane-guided .hero-grid{grid-template-columns:1fr;padding-top:37px;padding-bottom:34px;gap:30px!important}
#crane-guided .hub-hero h1{font-size:42px}
#crane-guided .hub-hero p{font-size:14px;margin:18px 0 23px}
#crane-guided .hero-facts{font-size:10px}
#crane-guided .hero-start{padding:21px 23px}
#crane-guided .hero-start strong{font-size:15px}
#crane-guided .hero-start p{font-size:11px;margin:15px 0 0}
#crane-guided .intro-strip{gap:20px;padding:24px 0;margin-bottom:32px;grid-template-columns:1fr}
#crane-guided .intro-strip>div{gap:17px}
#crane-guided .mini-number{font-size:23px;width:30px}
#crane-guided .intro-strip b{font-size:13px}
#crane-guided .intro-strip>div>span+span{font-size:12px}
#crane-guided .section-title{flex-direction:column;gap:20px}
#crane-guided .search{width:100%;min-width:0}
#crane-guided .search input{font-size:13px}
#crane-guided .category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
#crane-guided .category-grid button{padding:13px 7px}
#crane-guided .category-grid b{font-size:9px}
#crane-guided .category-grid small{font-size:8px}
#crane-guided .category-grid svg{width:27px;height:27px;margin-bottom:8px}
#crane-guided .category-all{font-size:23px;line-height:27px;margin-bottom:8px}
#crane-guided .tool-grid{grid-template-columns:1fr}
#crane-guided .tool-card{padding:23px}
#crane-guided .tool-card h3{font-size:21px;max-width:none}
#crane-guided .tool-card p{font-size:13px}
#crane-guided .card-bottom{font-size:11px}
#crane-guided .tool-topline{flex-wrap:wrap;gap:13px;padding-top:18px}
#crane-guided .breadcrumbs{font-size:10px}
#crane-guided .tool-picker-label{width:100%;font-size:10px;justify-content:space-between}
#crane-guided .tool-picker-label select{max-width:none;flex:1;width:100%;font-size:10px;padding:9px;min-height:38px}
#crane-guided .tool-hero{padding-top:15px;padding-bottom:23px;gap:21px}
#crane-guided .tool-hero h1{font-size:33px;line-height:1.2;overflow-wrap:anywhere}
#crane-guided .tool-hero>div>p{font-size:13px;line-height:1.9;margin-top:14px}
#crane-guided .tool-meta{gap:9px 13px;font-size:9px;margin-top:14px}
#crane-guided .prepare-card ul{grid-template-columns:1fr;gap:0}
#crane-guided .prepare-card li{font-size:11px;line-height:1.85}
#crane-guided .prepare-card h2{font-size:14px}
#crane-guided .page-nav{gap:22px;margin-bottom:20px}
#crane-guided .page-nav a{font-size:11px;padding:14px 0}
#crane-guided .calculator-workspace{grid-template-columns:1fr;gap:19px}
#crane-guided .results-panel{position:static}
#crane-guided .input-panel,#crane-guided .results-panel{padding:21px 18px}
#crane-guided .panel-heading h2{font-size:17px}
#crane-guided .shape-options{gap:6px}
#crane-guided .shape-option{padding:10px 2px;gap:7px}
#crane-guided .shape-option svg{width:31px;height:31px}
#crane-guided .shape-option span{font-size:8px}
#crane-guided .model-diagram{padding:12px}
#crane-guided .model-diagram figcaption{font-size:10px}
#crane-guided .model-diagram svg{height:220px}
#crane-guided .input-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}
#crane-guided[data-slug=section-properties] .input-fields,#crane-guided[data-slug=material-weight] .input-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
#crane-guided .field label{font-size:11px;min-height:33px}
#crane-guided .field small{font-size:10px;line-height:1.8}
#crane-guided .control input{font-size:16px;padding:10px}
#crane-guided .fixed-unit{font-size:10px;padding:11px 7px}
#crane-guided .control .unit-select{font-size:9px;max-width:50%;padding-left:5px}
#crane-guided .control select{font-size:11px}
#crane-guided .input-footer{gap:12px}
#crane-guided .input-footer .button{flex:1;width:auto}
#crane-guided .reset-button{font-size:11px;padding:10px 4px}
#crane-guided .primary-result{padding:21px}
#crane-guided .primary-result>strong{font-size:34px}
#crane-guided .primary-result>span{font-size:12px}
#crane-guided .secondary-result>span{font-size:12px}
#crane-guided .secondary-result>strong{font-size:15px}
#crane-guided .result-guide-note p{font-size:11px}
#crane-guided .export-actions{flex-wrap:nowrap}
#crane-guided .export-actions button{font-size:12px}
#crane-guided .result-explain-link{font-size:11px}
#crane-guided .usage-section{margin-top:39px}
#crane-guided .section-title h2{font-size:26px}
#crane-guided .how-cards{grid-template-columns:1fr;gap:13px}
#crane-guided .how-cards article{padding:23px}
#crane-guided .step-number{font-size:20px;margin-bottom:13px}
#crane-guided .how-cards h3{font-size:18px}
#crane-guided .how-cards p{font-size:13px}
#crane-guided .learning-grid{grid-template-columns:1fr;gap:10px;margin-top:22px}
#crane-guided .worked-example{padding:25px 23px}
#crane-guided .worked-example h2{font-size:25px}
#crane-guided .example-input p{font-size:13px}
#crane-guided .example-answer p{font-size:14px}
#crane-guided .example-button{font-size:12px;min-height:42px}
#crane-guided .interpretation{padding:25px 5px}
#crane-guided .interpretation h2{font-size:25px}
#crane-guided .interpretation-point p,#crane-guided .mistake-note p{font-size:13px}
#crane-guided .reference-grid{grid-template-columns:1fr;gap:27px;margin-top:15px;padding-top:26px}
#crane-guided .formula-panel>summary{font-size:14px;padding:19px}
#crane-guided .formula-panel>div{padding:0 19px 20px}
#crane-guided .faq-panel summary{font-size:13px}
#crane-guided .faq-panel p{font-size:13px}
#crane-guided .related-tools{grid-template-columns:1fr;gap:18px;margin-top:30px}
#crane-guided .related-tools a{font-size:13px}
#crane-guided .help-banner{padding:24px 22px;gap:15px;margin-top:30px}
#crane-guided .help-banner h2{font-size:21px}
#crane-guided .help-banner p{font-size:12px}
#crane-guided .help-banner>a{margin-left:57px;font-size:12px}
#crane-guided .plot-panel{padding:20px 13px}
#crane-guided .plot-panel h2{font-size:20px}
#crane-guided #result-values{scroll-margin-top:65px}}
@media(max-width:380px){

#crane-guided .wrap{padding:0 16px}
#crane-guided .tool-hero h1{font-size:29px}
#crane-guided .tool-hero .eyebrow{font-size:9px}
#crane-guided .category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
#crane-guided .input-fields,#crane-guided[data-slug=section-properties] .input-fields,#crane-guided[data-slug=material-weight] .input-fields{grid-template-columns:1fr}
#crane-guided .field label{min-height:0;font-size:12px}
#crane-guided .field small{font-size:11px}
#crane-guided .control .unit-select{font-size:11px;max-width:45%;width:112px}
#crane-guided .shape-options{grid-template-columns:repeat(3,minmax(0,1fr))}
#crane-guided .shape-option span{font-size:9px}
#crane-guided .primary-result>strong{font-size:30px}
#crane-guided .secondary-result>span{font-size:11px}
#crane-guided .secondary-result>strong{font-size:14px}
#crane-guided .hub-hero h1{font-size:37px}
#crane-guided .help-mark{display:none}
#crane-guided .help-banner>a{margin-left:0}
#crane-guided .prepare-card{padding:16px}
#crane-guided .tool-picker-label{display:block}
#crane-guided .tool-picker-label select{display:block;margin-top:5px}}
#crane-guided .field small{font-size:11px;color:#6f8598}
#crane-guided .prepare-card li{font-size:12px;color:#6c8295}
#crane-guided .how-cards p,#crane-guided .example-input p,#crane-guided .interpretation-point>p,#crane-guided .mistake-note p,#crane-guided .faq-panel p{font-size:13px}
#crane-guided .result-guide-note p{font-size:11px;color:#70899b}
#crane-guided .model-diagram figcaption{font-size:11px;color:#7c94a6}
#crane-guided .formula-panel li{font-size:12px}
#crane-guided .secondary-result>span{font-size:12px}
#crane-guided .results-panel .primary-result>strong.long-value{font-size:25px;line-height:1.45;letter-spacing:-.025em}
@media(max-width:700px){#crane-guided .field small{font-size:11px}
#crane-guided .field label{font-size:12px}
#crane-guided .how-cards p,#crane-guided .example-input p,#crane-guided .interpretation-point>p,#crane-guided .mistake-note p,#crane-guided .faq-panel p{font-size:13px}}
@media(prefers-reduced-motion:reduce){#crane-guided *{scroll-behavior:auto!important;transition:none!important}}
#crane-guided .swap-units{border:1px solid #d5e2ec;background:#f4f8fb;color:#527a99;padding:10px 15px;border-radius:4px;font-size:12px;margin-top:20px;min-height:43px}
/* site-design.css */
#crane-guided{--brand-blue:#2b5f91;--brand-navy:#18364c;--page-line:#dbe4ec;--page-paper:#f3f6f9}

#crane-guided .page-width{max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
#crane-guided svg{max-width:100%}
#crane-guided button,#crane-guided input,#crane-guided select{font-family:inherit}


































#crane-guided{--blue:#2b5f91;--ink:#20394d}
#crane-guided .wrap{max-width:1280px;padding-left:32px;padding-right:32px}
#crane-guided .noscript{margin:15px 30px}








#crane-guided .detail-layout{display:grid;grid-template-columns:226px minmax(0,1fr);gap:30px;align-items:start}
#crane-guided .detail-main{min-width:0}
#crane-guided .detail-sidebar{position:sticky;top:76px;margin-top:23px;min-width:0}
#crane-guided .detail-sidebar-head{display:block;color:#2b5f91;font-size:14px;font-weight:700;padding:12px 14px;border:1px solid #d4e0e9;border-bottom:0;background:#eef4f8}
#crane-guided .detail-sidebar>details{border:1px solid #d4e0e9;background:#fff}
#crane-guided .detail-sidebar>details>summary{padding:12px 14px;font-size:14px;font-weight:700;color:#234e72;cursor:pointer}
#crane-guided .detail-category{border-top:1px solid #e0e7ed}
#crane-guided .detail-category>summary{padding:12px 13px;cursor:pointer;font-size:13px;font-weight:700;color:#4b6478}
#crane-guided .detail-category>div{padding-bottom:7px}
#crane-guided .detail-category a{font-size:12px;line-height:1.6;display:block;padding:8px 12px 8px 18px;color:#596f80;border-left:3px solid transparent}
#crane-guided .detail-category a[aria-current]{background:#edf4fa;color:#1e5582;border-left-color:#2b5f91;font-weight:700}
#crane-guided .detail-category a:hover{background:#f2f6f9}
#crane-guided .detail-rail-note{margin-top:15px;font-size:12px;line-height:1.7;color:#728697;padding:0 10px}
#crane-guided .detail-rail-note strong{display:block;color:#516e84;margin-bottom:6px}
#crane-guided .tool-topline{padding-top:19px;gap:15px}
#crane-guided .tool-topline .breadcrumbs{font-size:12px}
#crane-guided .tool-picker-label{font-size:12px}
#crane-guided .tool-picker-label select{font-size:12px;min-height:42px;max-width:240px}
#crane-guided .tool-hero{padding:24px 0 19px;display:block}
#crane-guided .tool-hero h1{font-size:34px;line-height:1.18;margin:0 0 10px;max-width:900px}
#crane-guided .tool-hero>div>p{font-size:15px;line-height:1.75;margin-top:12px;max-width:900px;color:#556d7e}
#crane-guided .tool-hero .eyebrow{font-size:10px;margin-bottom:10px}
#crane-guided .tool-meta{display:none}
#crane-guided .prepare-inline{margin-top:16px;border:1px solid #d9e4ed;background:#f5f8fb}
#crane-guided .prepare-inline>summary{padding:12px 16px;color:#2b5f91;cursor:pointer;font-size:14px;font-weight:700}
#crane-guided .prepare-inline>div{padding:0 18px 16px}
#crane-guided .prepare-inline ul{margin:0;padding-left:17px;font-size:14px;line-height:1.8;color:#596f80}
#crane-guided .prepare-inline li+li{margin-top:7px}
#crane-guided .page-nav{top:52px;background:#fff;z-index:20;gap:24px;margin-bottom:23px}
#crane-guided .page-nav a{font-size:13px;padding:12px 0}
#crane-guided .calculator-workspace{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;scroll-margin-top:117px}
#crane-guided .input-panel,#crane-guided .results-panel{padding:23px;border-radius:4px}
#crane-guided .results-panel{top:122px}
#crane-guided .panel-heading h2{font-size:19px}
#crane-guided .shape-options{gap:7px}
#crane-guided .shape-option{padding:12px 5px;border-radius:3px}
#crane-guided .shape-option span{font-size:11px}
#crane-guided .shape-option svg{width:30px;height:30px}
#crane-guided .visual-input-grid.has-diagram{grid-template-columns:1fr!important}
#crane-guided .input-fields{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:18px}
#crane-guided .field label{font-size:13px;line-height:1.5;min-height:38px}
#crane-guided .field small{font-size:12px;line-height:1.7;color:#5b7486}
#crane-guided .control input{font-size:17px;min-height:46px}
#crane-guided .control select{font-size:13px;min-height:46px}
#crane-guided .control .unit-select{font-size:12px}
#crane-guided .fixed-unit{font-size:12px}
#crane-guided .model-diagram{position:static!important;max-width:none;padding:16px;border-radius:4px}
#crane-guided .model-diagram svg{height:235px!important}
#crane-guided .model-diagram figcaption{font-size:12px}
#crane-guided .diagram-tag{font-size:12px}
#crane-guided .primary-result>span{font-size:13px;color:#54758f}
#crane-guided .primary-result>strong{font-size:33px}
#crane-guided .secondary-result>span{font-size:13px;color:#5e7789}
#crane-guided .secondary-result>strong{font-size:15px}
#crane-guided .secondary-result small{font-size:11px}
#crane-guided .result-guide-note p{font-size:12px;line-height:1.8;color:#5d788b}
#crane-guided .export-actions button{font-size:12px;min-height:44px}
#crane-guided .result-explain-link{font-size:12px}
#crane-guided .result-warning{font-size:13px;color:#775e40}
#crane-guided .button{font-size:14px;border-radius:3px}
#crane-guided .reset-button{font-size:13px}
#crane-guided .panel-tag{font-size:10px}
#crane-guided .usage-section{margin-top:38px}
#crane-guided .how-cards{gap:17px}
#crane-guided .how-cards article{padding:20px;border-radius:4px}
#crane-guided .how-cards h3{font-size:18px}
#crane-guided .how-cards p,#crane-guided .example-input p,#crane-guided .interpretation-point>p,#crane-guided .mistake-note p,#crane-guided .faq-panel p{font-size:14px;line-height:1.8;color:#5c7384}
#crane-guided .how-cards .step-number{color:#6989a2}
#crane-guided .worked-example{background:#f1f6fa;border-color:#d8e5ef;border-radius:4px;padding:25px}
#crane-guided .worked-example .eyebrow,#crane-guided .example-input>span,#crane-guided .example-answer>span,#crane-guided .example-button{color:#34658d}
#crane-guided .worked-example h2,#crane-guided .interpretation h2{font-size:24px}
#crane-guided .example-answer p{font-size:15px}
#crane-guided .example-button{font-size:14px;min-height:44px}
#crane-guided .formula-panel li{font-size:13px;line-height:1.8;color:#627b8d}
#crane-guided .equations p{font-size:12px;color:#476e8a}
#crane-guided .faq-panel summary{font-size:14px;color:#365d7a}
#crane-guided .related-tools a{font-size:14px}
#crane-guided .help-banner h2{font-size:23px}
#crane-guided .help-banner p{font-size:14px}
#crane-guided .help-banner>a{font-size:14px}
#crane-guided .learning-grid{gap:25px}
#crane-guided .reference-grid{gap:25px}

























@media(max-width:1150px){




#crane-guided .detail-layout{grid-template-columns:195px minmax(0,1fr);gap:23px}
#crane-guided .calculator-workspace{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
#crane-guided .input-panel,#crane-guided .results-panel{padding:19px}
#crane-guided .input-fields{grid-template-columns:1fr!important}
#crane-guided .field label{min-height:0}
#crane-guided .tool-hero h1{font-size:31px}
#crane-guided .shape-options{grid-template-columns:repeat(3,minmax(0,1fr))}
#crane-guided .primary-result>strong{font-size:29px}
#crane-guided .how-cards{grid-template-columns:1fr}
#crane-guided .how-cards article{display:grid;grid-template-columns:35px 1fr;gap:5px 10px}
#crane-guided .how-cards p{grid-column:2}
#crane-guided .step-number{grid-row:1/3;margin:0;padding-top:3px}
#crane-guided .learning-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:980px){






#crane-guided .detail-layout{grid-template-columns:1fr}
#crane-guided .detail-sidebar{position:static;margin-top:20px}
#crane-guided .detail-sidebar>details>summary{display:list-item}
#crane-guided .detail-sidebar-head{display:none}
#crane-guided .detail-sidebar>details>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
#crane-guided .detail-rail-note{display:none}
#crane-guided .calculator-workspace{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
#crane-guided .page-nav{top:52px}
#crane-guided .input-fields{grid-template-columns:repeat(2,minmax(0,1fr))!important}



}
@media(max-width:700px){#crane-guided .page-width,#crane-guided .wrap{padding-left:18px;padding-right:18px}





















#crane-guided .detail-sidebar>details>div{grid-template-columns:1fr}
#crane-guided .detail-sidebar>details>summary{font-size:14px}
#crane-guided .page-nav{top:80px;gap:20px}
#crane-guided .page-nav a{font-size:12px;white-space:nowrap}
#crane-guided .tool-topline{padding-top:16px;gap:12px}
#crane-guided .tool-picker-label{font-size:12px;display:block}
#crane-guided .tool-picker-label select{margin-top:6px;max-width:none;width:100%;font-size:13px}
#crane-guided .tool-hero{padding-top:18px}
#crane-guided .tool-hero h1{font-size:29px}
#crane-guided .tool-hero>div>p{font-size:14px;line-height:1.7}
#crane-guided .calculator-workspace{grid-template-columns:1fr;gap:18px;scroll-margin-top:140px}
#crane-guided .input-fields{grid-template-columns:repeat(2,minmax(0,1fr))!important}
#crane-guided .field label{font-size:13px;min-height:38px}
#crane-guided .field small{font-size:12px}
#crane-guided .shape-options{grid-template-columns:repeat(5,minmax(0,1fr))}
#crane-guided .shape-option{padding:11px 3px}
#crane-guided .shape-option span{font-size:10px}
#crane-guided .shape-option svg{width:29px;height:29px}
#crane-guided .primary-result>strong{font-size:34px}
#crane-guided .results-panel{position:static}
#crane-guided .learning-grid,#crane-guided .reference-grid{grid-template-columns:1fr;gap:18px}
#crane-guided .usage-section{margin-top:30px}
#crane-guided .usage-section h2{font-size:26px}
#crane-guided .how-cards article{padding:20px 18px}
#crane-guided .how-cards h3{font-size:18px}
#crane-guided .how-cards p{font-size:14px}
#crane-guided .interpretation{padding:23px 0}
#crane-guided .result-guide-note p{font-size:13px}
#crane-guided .prepare-inline>summary{font-size:13px}
#crane-guided .prepare-inline ul{font-size:13px}
#crane-guided .input-footer .button{font-size:13px}
#crane-guided .reset-button{font-size:12px}
#crane-guided .help-banner{padding:23px 20px}








}
@media(max-width:380px){#crane-guided .page-width,#crane-guided .wrap{padding-left:15px;padding-right:15px}





#crane-guided .tool-hero h1{font-size:27px}
#crane-guided .input-fields{grid-template-columns:1fr!important}
#crane-guided .field label{min-height:0}
#crane-guided .shape-options{grid-template-columns:repeat(3,minmax(0,1fr))}
#crane-guided .input-panel,#crane-guided .results-panel{padding:19px 16px}
#crane-guided .primary-result>strong{font-size:30px}}
@media(prefers-reduced-motion:reduce){#crane-guided *{scroll-behavior:auto!important;transition:none!important}}










@media(max-width:700px){




}
@media(max-width:700px){#crane-guided .tool-picker-label select{display:block;min-width:0;box-sizing:border-box}}




/* variant-a.css */
#crane-guided .a-intro{padding-top:20px;padding-bottom:25px}
#crane-guided .hub-breadcrumb{display:flex;gap:9px;align-items:center;font-size:13px;color:#657888;margin-bottom:20px}
#crane-guided .a-intro-row{display:grid;grid-template-columns:1.5fr 1fr;align-items:end;gap:70px}
#crane-guided .section-kicker{font-size:11px;font-weight:700;letter-spacing:.12em;color:#2b5f91;display:block;margin-bottom:9px}
#crane-guided .a-intro h1{font-size:38px!important;margin:0 0 12px!important}
#crane-guided .a-intro p{font-size:16px;line-height:1.65;max-width:650px;color:#586b79}
#crane-guided .a-search-label>span{display:block;font-size:13px;font-weight:700;margin-bottom:8px}
#crane-guided .a-search-label>div{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #b5c6d4;padding:0 14px;border-radius:3px}
#crane-guided .a-search-label svg{width:22px;flex:none}
#crane-guided .a-search-label input{width:100%;min-width:0;border:0;background:transparent;padding:15px 0;font-size:16px}
#crane-guided .a-common{display:flex;align-items:center;gap:0;background:#eff4f8;padding:14px 20px;margin-bottom:28px;border:1px solid #dce5ed}
#crane-guided .a-common>strong{font-size:13px;color:#526b7e;margin-right:25px;white-space:nowrap}
#crane-guided .a-common>a{font-size:14px;font-weight:700;display:flex;gap:25px;justify-content:space-between;flex:1;padding:2px 20px;border-left:1px solid #d0dde7;color:#2b5f91}
#crane-guided .a-library{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;align-items:start}
#crane-guided .a-categories{position:sticky;top:76px}
#crane-guided .a-categories .section-kicker{font-size:10px;margin-bottom:12px}
#crane-guided .a-categories [role=group]{border:1px solid #dce5ed;background:#fff}
#crane-guided .a-categories button{border:0;border-bottom:1px solid #e0e7ed;display:flex;align-items:center;gap:10px;width:100%;min-height:53px;background:#fff;text-align:left;padding:12px 14px;font-size:14px;font-weight:600;color:#40596c}
#crane-guided .a-categories button:last-child{border-bottom:0}
#crane-guided .a-categories button[aria-pressed=true]{color:#fff;background:#2b5f91}
#crane-guided .a-categories button svg{width:22px;height:23px;flex:none}
#crane-guided .a-categories button b{font-size:11px;margin-left:auto;opacity:.75}
#crane-guided .a-side-note{border-top:2px solid #afc4d6;padding-top:16px;margin-top:25px;font-size:14px}
#crane-guided .a-side-note strong{font-size:15px}
#crane-guided .a-side-note p{margin:8px 0 13px!important;color:#647786;line-height:1.7}
#crane-guided .a-side-note a{color:#2b5f91;font-weight:700;font-size:13px}
#crane-guided .a-list-header{display:flex;align-items:center;gap:15px;margin-bottom:15px}
#crane-guided .a-list-header h2{font-size:23px!important}
#crane-guided .a-list-header>span{margin-left:auto;font-size:13px;color:#677b8a}
#crane-guided .a-list-header button{font-size:12px;background:#fff;border:1px solid #b6c9d8;padding:6px 10px;color:#2b5f91;min-height:36px}
#crane-guided .a-group-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
#crane-guided .a-tool-group{min-width:0;background:#fff;border:1px solid #dce5ed;border-top:3px solid #2b5f91}
#crane-guided .a-tool-group>header{display:flex;gap:12px;padding:18px;background:#f3f7fa;border-bottom:1px solid #dce5ed;min-height:95px}
#crane-guided .a-category-icon{color:#2b5f91;display:flex;align-items:center;justify-content:center;background:#e7eff6;width:38px;height:42px;flex:none}
#crane-guided .a-category-icon svg{width:25px;height:29px}
#crane-guided .a-tool-group h3{font-size:18px!important;margin-bottom:4px!important}
#crane-guided .a-tool-group>header p{font-size:12px;color:#647786;line-height:1.55}
#crane-guided .a-tool-row{display:flex;align-items:center;gap:12px;margin:0 16px;border-bottom:1px solid #e7edf2;padding:15px 0;min-height:90px}
#crane-guided .a-tool-row:last-child{border-bottom:0}
#crane-guided .a-tool-row:hover{text-decoration:none;color:#2b5f91}
#crane-guided .a-tool-row:hover strong{text-decoration:underline}
#crane-guided .a-row-number{align-self:flex-start;padding-top:3px;font-size:11px;color:#8b9ca8}
#crane-guided .a-tool-row>span:nth-child(2){min-width:0;flex:1}
#crane-guided .a-tool-row strong{display:block;font-size:15px;line-height:1.4;color:#213d53}
#crane-guided .a-tool-row small{display:block;font-size:12px;line-height:1.6;color:#6a7d8b;margin-top:5px}
#crane-guided .a-open{color:#2b5f91;font-size:18px}
#crane-guided .a-empty{padding:30px;background:#f2f6f9;color:#506c80}
#crane-guided .tools-scope{display:grid;grid-template-columns:1fr auto;gap:8px 30px;background:#f1f5f8;padding:25px 30px;margin-top:35px;border-left:3px solid #2b5f91}
#crane-guided .tools-scope strong{font-size:20px;line-height:1.4}
#crane-guided .tools-scope p{font-size:14px;line-height:1.7;color:#5f7484;grid-column:1}
#crane-guided .tools-scope a{grid-column:2;grid-row:1/3;align-self:center;color:#2b5f91;font-size:14px;font-weight:700}
@media(max-width:1050px){#crane-guided .a-intro-row{gap:35px}
#crane-guided .a-library{grid-template-columns:195px minmax(0,1fr);gap:23px}
#crane-guided .a-common{padding:13px}
#crane-guided .a-common>a{padding:3px 13px;gap:10px}
#crane-guided .a-categories button{padding:12px 10px}
#crane-guided .a-tool-row{margin:0 13px;gap:9px}
#crane-guided .a-tool-group>header{padding:16px}
#crane-guided .a-group-grid{gap:18px}}
@media(max-width:800px){#crane-guided .a-intro-row{grid-template-columns:1fr;gap:22px}
#crane-guided .a-library{grid-template-columns:1fr}
#crane-guided .a-categories{position:static}
#crane-guided .a-categories .section-kicker,#crane-guided .a-side-note{display:none}
#crane-guided .a-categories [role=group]{display:flex;flex-wrap:wrap;gap:7px;border:0;background:transparent}
#crane-guided .a-categories button{width:auto;border:1px solid #dce5ed!important;min-height:42px;font-size:13px;padding:8px 12px;gap:7px;border-radius:3px}
#crane-guided .a-categories button svg{width:17px;height:19px}
#crane-guided .a-categories button b{margin-left:5px}
#crane-guided .a-common{flex-wrap:wrap;gap:10px}
#crane-guided .a-common>strong{width:100%}
#crane-guided .a-common>a{flex:1 1 40%;border:0;padding:5px 0}
#crane-guided .a-list-header h2{font-size:22px!important}
#crane-guided .a-intro h1{font-size:34px!important}
#crane-guided .tools-scope{grid-template-columns:1fr;padding:22px}
#crane-guided .tools-scope a{grid-column:auto;grid-row:auto;margin-top:8px}}
@media(max-width:540px){#crane-guided .a-intro{padding-top:16px;padding-bottom:20px}
#crane-guided .a-intro h1{font-size:30px!important}
#crane-guided .a-intro p{font-size:15px}
#crane-guided .a-group-grid{grid-template-columns:1fr}
#crane-guided .a-tool-group>header{min-height:0;padding:17px}
#crane-guided .a-tool-group h3{font-size:19px!important}
#crane-guided .a-tool-group>header p{font-size:13px}
#crane-guided .a-tool-row strong{font-size:16px}
#crane-guided .a-tool-row small{font-size:13px}
#crane-guided .a-tool-row{padding:16px 0;min-height:84px;margin:0 17px}
#crane-guided .a-common>a{font-size:13px}
#crane-guided .a-list-header{flex-wrap:wrap;gap:8px}
#crane-guided .a-list-header>span{font-size:12px}
#crane-guided .a-categories button{font-size:12px;padding:8px 9px}
#crane-guided .a-categories button svg{display:none}
#crane-guided .a-search-label input{font-size:15px}
#crane-guided .hub-breadcrumb{font-size:12px;margin-bottom:16px}}
/* Production uses the approved live header and footer rather than the review strip. */
#crane-guided .page-nav{top:0}#crane-guided .detail-sidebar{top:24px}#crane-guided .results-panel{top:70px}#crane-guided .calculator-workspace{scroll-margin-top:75px}#crane-guided .tool-topline{scroll-margin-top:0}
@media(max-width:700px){#crane-guided .page-nav{top:0}#crane-guided .calculator-workspace{scroll-margin-top:70px}#crane-guided .tool-picker-label select{display:block;min-width:0;box-sizing:border-box}}