@charset "UTF-8";.dtg-screen-handbook{--orange:#EE8E21;--orange-2:#EE8E21;--orange-soft:rgba(238,142,33,.08);--dark:#323A40;--dark-2:#252C31;--grey:#474E54;--tan:#A19B87;--ink:#1E2529;--muted:#66737B;--line:#DCE2E5;--soft:#F5F7F7;--soft-2:#EEF2F3;--white:#fff;--max:1360px;--shadow:0 14px 34px rgba(30,37,41,.07)}.dtg-screen-handbook,.dtg-screen-handbook *{box-sizing:border-box}.dtg-screen-handbook{scroll-behavior:smooth;scroll-padding-top:92px}.dtg-screen-handbook{margin:0;background:#F4F6F6;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.65}.dtg-screen-handbook a{color:inherit}.dtg-screen-handbook .wrap{width:min(var(--max),calc(100% - 44px));margin:0 auto}.dtg-screen-handbook .hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#232A2F 0%,#354047 64%,#3D474D 100%);color:#fff;border-bottom:5px solid var(--orange)}.dtg-screen-handbook .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(90deg,transparent 0%,#000 58%,#000 100%)}.dtg-screen-handbook .hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:58px;align-items:center;padding:66px 0 58px}.dtg-screen-handbook .kicker{font-size:13px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#EE8E21;margin-bottom:11px}.dtg-screen-handbook .hero h1{font-size:clamp(38px,4.2vw,62px);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px;max-width:850px}.dtg-screen-handbook .hero p{font-size:18px;line-height:1.58;color:#E5EAEC;max-width:780px;margin:0}.dtg-screen-handbook .scope-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.dtg-screen-handbook .scope-line span{font-size:12.5px;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:6px 10px;color:#F6F7F7;background:rgba(255,255,255,.045)}.dtg-screen-handbook .hero-visual{position:relative;min-height:340px;display:flex;align-items:center;justify-content:center}.dtg-screen-handbook .hero-diagram{width:min(100%,500px);background:#fff;border:1px solid rgba(255,255,255,.22);border-radius:12px;box-shadow:0 20px 45px rgba(0,0,0,.22);overflow:hidden}.dtg-screen-handbook .hero-diagram-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 15px;border-bottom:1px solid #DDE2E5;background:#F8FAFA;color:#323A40}.dtg-screen-handbook .hero-diagram-head strong{font-size:13px;letter-spacing:.02em}.dtg-screen-handbook .hero-diagram-head span{font-size:11.5px;color:#6B767C}.dtg-screen-handbook .hero-diagram svg{display:block;width:100%;height:auto;background:#fff}.dtg-screen-handbook .hero-diagram-caption{padding:10px 15px 12px;border-top:1px solid #E1E5E7;color:#59656B;background:#fff;font-size:12.5px;line-height:1.45}.dtg-screen-handbook .hero-diagram text{font-family:Arial,Helvetica,sans-serif}.dtg-screen-handbook .read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--orange);z-index:90;box-shadow:0 0 8px rgba(238,142,33,.45)}.dtg-screen-handbook .utility{border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(10px);position:sticky;top:0;z-index:30;box-shadow:0 4px 18px rgba(31,37,41,.055)}.dtg-screen-handbook .utility-in{display:flex;align-items:center;gap:14px;padding:11px 0}.dtg-screen-handbook .search{flex:1;display:flex;align-items:center;border:1px solid #CDD4D8;border-radius:9px;background:#fff;padding:0 12px;transition:.2s}.dtg-screen-handbook .search:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px rgba(238,142,33,.12)}.dtg-screen-handbook .search span{font-size:20px;color:var(--muted);margin-right:8px}.dtg-screen-handbook .search input{width:100%;border:0;outline:0;padding:11px 0;font:inherit;font-size:14px;background:transparent}.dtg-screen-handbook .utility a{font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}.dtg-screen-handbook .utility a:hover{color:var(--orange)}.dtg-screen-handbook .jump-nav{display:flex;align-items:center;gap:8px;min-width:245px}.dtg-screen-handbook .jump-nav label{font-size:12px;font-weight:800;letter-spacing:.035em;text-transform:uppercase;color:#66737B;white-space:nowrap}.dtg-screen-handbook .jump-nav select{width:100%;max-width:290px;border:1px solid #CDD4D8;border-radius:8px;background:#fff;color:var(--dark);padding:10px 34px 10px 11px;font:inherit;font-size:13.5px;font-weight:700;outline:none;cursor:pointer}.dtg-screen-handbook .jump-nav select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(238,142,33,.12)}.dtg-screen-handbook .toc-edge-tab{position:fixed;left:calc(50% - 560px - 118px);top:50%;transform:translateY(-50%);z-index:42;display:flex;align-items:center;justify-content:center;gap:7px;width:106px;border:1px solid #CBD2D6;border-left:4px solid var(--orange);background:#fff;color:var(--dark);padding:11px 10px 11px 8px;border-radius:9px;box-shadow:0 8px 22px rgba(31,37,41,.12);font:inherit;font-size:13px;font-weight:800;cursor:pointer;transition:background .18s,border-color .18s,color .18s,box-shadow .18s}.dtg-screen-handbook .toc-edge-tab:hover,.dtg-screen-handbook .toc-edge-tab[aria-expanded="true"]{background:var(--orange-soft);border-color:var(--orange);color:#B45E00;box-shadow:0 10px 26px rgba(31,37,41,.16)}.dtg-screen-handbook .toc-edge-tab span{font-size:16px;line-height:1}.dtg-screen-handbook .intro{background:#fff;padding:48px 0 28px;border-bottom:1px solid var(--line)}.dtg-screen-handbook .intro-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(330px,.9fr);gap:46px;align-items:start}.dtg-screen-handbook .intro h2{font-size:32px;line-height:1.18;margin:0 0 13px;letter-spacing:-.02em}.dtg-screen-handbook .intro p{max-width:980px;margin:0 0 14px}.dtg-screen-handbook .reference-note{margin:22px 0 0;background:#F8FAFA;border-left:4px solid var(--orange);padding:16px 18px;border-radius:0 8px 8px 0}.dtg-screen-handbook .reference-note strong{display:block;margin-bottom:3px}.dtg-screen-handbook .system-map{background:var(--dark-2);color:#fff;border-radius:14px;padding:22px;box-shadow:var(--shadow)}.dtg-screen-handbook .system-map h3{font-size:15px;margin:0 0 14px;color:#fff}.dtg-screen-handbook .system-map p{font-size:13px;color:#C8D0D4;margin:10px 0 0}.dtg-screen-handbook .system-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.dtg-screen-handbook .system-flow span{position:relative;min-height:67px;display:flex;align-items:flex-end;padding:10px 9px;background:#343D43;border:1px solid rgba(255,255,255,.09);font-size:12px;font-weight:700}.dtg-screen-handbook .system-flow span:before{content:"";position:absolute;left:9px;top:10px;width:24px;height:3px;background:var(--orange)}.dtg-screen-handbook .process-chain{display:none}.dtg-screen-handbook .topic-nav{background:#fff;padding:0 0 32px}.dtg-screen-handbook .topic-links{display:flex;flex-wrap:wrap;gap:8px;border:0;padding-top:4px}.dtg-screen-handbook .topic-links a{flex:0 1 auto;padding:8px 11px;text-decoration:none;font-weight:700;font-size:13px;border:1px solid var(--line);border-radius:7px;background:#FAFBFB;color:#3E484E;transition:.18s}.dtg-screen-handbook .topic-links a:hover{background:var(--orange-soft);border-color:#EE8E21;color:#EE8E21;transform:translateY(-1px)}.dtg-screen-handbook .layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:34px;align-items:start;padding-top:34px}.dtg-screen-handbook .main{min-width:0;padding-bottom:70px}.dtg-screen-handbook .toc{position:sticky;top:78px;max-height:calc(100vh - 96px);overflow:auto;padding:17px 14px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 22px rgba(31,37,41,.045)}.dtg-screen-handbook .toc-title{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:800;color:var(--dark);padding:0 6px 10px;border-bottom:2px solid var(--dark);margin-bottom:4px}.dtg-screen-handbook .toc a{display:block;text-decoration:none;font-size:12.8px;line-height:1.35;padding:7px 8px;border-left:3px solid transparent;color:#4B565D;border-radius:0 5px 5px 0}.dtg-screen-handbook .toc a:hover,.dtg-screen-handbook .toc a.active{background:var(--orange-soft);border-left-color:var(--orange);color:var(--orange)}.dtg-screen-handbook .mobile-toc{display:none;position:relative;flex:0 0 245px;min-width:0}.dtg-screen-handbook .mobile-toc-button{width:100%;min-height:44px;display:flex;align-items:center;gap:10px;border:1px solid #CDD4D8;border-radius:9px;background:#fff;color:var(--dark);padding:7px 11px;text-align:left;cursor:pointer;font:inherit;transition:.18s}.dtg-screen-handbook .mobile-toc-button:hover,.dtg-screen-handbook .mobile-toc-button[aria-expanded="true"]{border-color:var(--orange);box-shadow:0 0 0 3px rgba(238,142,33,.10)}.dtg-screen-handbook .mobile-toc-copy{min-width:0;flex:1;display:block}.dtg-screen-handbook .mobile-toc-label{display:block;font-size:10px;line-height:1.1;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#69757B;margin-bottom:3px}.dtg-screen-handbook .mobile-toc-current{display:block;font-size:13px;line-height:1.2;font-weight:800;color:#273036;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dtg-screen-handbook .mobile-toc-chevron{font-size:17px;line-height:1;color:#68747A;transition:transform .18s}.dtg-screen-handbook .mobile-toc-button[aria-expanded="true"] .mobile-toc-chevron{transform:rotate(180deg)}.dtg-screen-handbook .mobile-toc-menu{display:none;position:absolute;left:0;top:calc(100% + 7px);width:min(360px,calc(100vw - 28px));max-height:min(62vh,520px);overflow:auto;background:#fff;border:1px solid #CDD4D8;border-radius:10px;box-shadow:0 16px 38px rgba(31,37,41,.18);padding:8px;z-index:55}.dtg-screen-handbook .mobile-toc-menu.open{display:block}.dtg-screen-handbook .mobile-toc-menu a{display:block;text-decoration:none;font-size:13px;line-height:1.3;padding:9px 10px;border-left:3px solid transparent;border-radius:0 6px 6px 0;color:#4B565D}.dtg-screen-handbook .mobile-toc-menu a:hover,.dtg-screen-handbook .mobile-toc-menu a.active{background:var(--orange-soft);border-left-color:var(--orange);color:var(--orange)}.dtg-screen-handbook .chapter{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 34px 38px;margin:0 0 24px;box-shadow:0 9px 24px rgba(31,37,41,.045)}.dtg-screen-handbook .chapter:before{content:"";position:absolute;left:-1px;top:28px;width:5px;height:54px;background:var(--orange);border-radius:0 4px 4px 0}.dtg-screen-handbook .chapter-head{border:0;padding:0 0 17px;margin-bottom:22px;border-bottom:1px solid #E5E9EB}.dtg-screen-handbook .chapter h2{font-size:30px;line-height:1.16;letter-spacing:-.025em;margin:0 0 7px;color:#151A1D}.dtg-screen-handbook .chapter h3{font-size:20px;line-height:1.28;margin:27px 0 10px;color:#20272B}.dtg-screen-handbook .chapter h4{font-size:16px;margin:18px 0 7px}.dtg-screen-handbook .muted{color:var(--muted)}.dtg-screen-handbook p{margin:0 0 14px}.dtg-screen-handbook .lede{font-size:17px;line-height:1.62;color:#3B464C}.dtg-screen-handbook .chapter h3:after{content:"";display:block;width:34px;height:2px;background:#EE8E21;margin-top:7px}.dtg-screen-handbook .definition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 25px}.dtg-screen-handbook .definition-grid>div{position:relative;padding:15px 15px 14px 17px;border:1px solid var(--line);background:#FAFBFB;border-radius:9px;min-height:84px}.dtg-screen-handbook .definition-grid>div:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:#CFD7DB;border-radius:9px 0 0 9px}.dtg-screen-handbook .definition-grid b{display:block;margin-bottom:4px}.dtg-screen-handbook .definition-grid span{font-size:13.5px;color:var(--muted)}.dtg-screen-handbook .two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dtg-screen-handbook .two-col>div{background:#FAFBFB;border:1px solid var(--line);border-radius:9px;padding:15px 17px}.dtg-screen-handbook .two-col>div h3{margin-top:0}.dtg-screen-handbook .two-col>div h3:after{display:none}.dtg-screen-handbook .compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;border:0;margin:16px 0 24px}.dtg-screen-handbook .compare>div{padding:17px;background:#FAFBFB;border:1px solid var(--line);border-top:3px solid #7A858B;border-radius:9px}.dtg-screen-handbook .compare>div+div{border-left:1px solid var(--line)}.dtg-screen-handbook .compare h4{margin:0 0 8px}.dtg-screen-handbook .tag{display:inline-block;background:#E9EDEF;color:#384248;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.055em;padding:4px 7px;border-radius:4px;margin-bottom:8px}.dtg-screen-handbook .technical-note,.dtg-screen-handbook .warning{position:relative;padding:16px 18px 16px 48px;margin:18px 0;border-radius:8px}.dtg-screen-handbook .technical-note{background:var(--orange-soft);border:1px solid rgba(238,142,33,.32)}.dtg-screen-handbook .warning{background:#FFF9E9;border:1px solid #EDDAA8}.dtg-screen-handbook .technical-note:before,.dtg-screen-handbook .warning:before{position:absolute;left:16px;top:16px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:900}.dtg-screen-handbook .technical-note:before{content:"i";background:var(--orange);color:#fff}.dtg-screen-handbook .warning:before{content:"!";background:#C99012;color:#fff}.dtg-screen-handbook .technical-note strong,.dtg-screen-handbook .warning strong{display:block;margin-bottom:3px}.dtg-screen-handbook .formula{position:relative;background:linear-gradient(135deg,#252D32,#333D43);color:#fff;padding:20px 22px;margin:20px 0;border:0;border-radius:9px;overflow:hidden}.dtg-screen-handbook .formula:after{content:"";position:absolute;right:-35px;top:-45px;width:150px;height:150px;border:1px solid rgba(255,255,255,.08);border-radius:50%}.dtg-screen-handbook .formula .eq{font-size:23px;font-weight:800;letter-spacing:.01em;margin:6px 0}.dtg-screen-handbook .formula small{color:#D8DEE1}.dtg-screen-handbook .formula-guide{margin:18px 0 22px;border:1px solid #D8DEE1;border-radius:10px;background:#fff;overflow:hidden}.dtg-screen-handbook .formula-guide-head{padding:14px 16px;background:#F3F6F7;border-bottom:1px solid #D8DEE1}.dtg-screen-handbook .formula-guide-head strong{display:block;font-size:16px;margin-bottom:3px}.dtg-screen-handbook .formula-guide-head span{font-size:13px;color:#627079}.dtg-screen-handbook .formula-vars{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-bottom:1px solid #D8DEE1}.dtg-screen-handbook .formula-var{padding:14px 16px;border-right:1px solid #E2E7E9}.dtg-screen-handbook .formula-var:last-child{border-right:0}.dtg-screen-handbook .formula-symbol{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 8px;border-radius:6px;background:var(--orange-soft);color:#9C5500;font-weight:900;margin-bottom:7px}.dtg-screen-handbook .formula-var b{display:block;font-size:13px;margin-bottom:3px}.dtg-screen-handbook .formula-var p{font-size:12.5px;line-height:1.45;color:#5D6970;margin:0}.dtg-screen-handbook .formula-steps{padding:16px}.dtg-screen-handbook .formula-steps h4{margin:0 0 10px;font-size:15px}.dtg-screen-handbook .formula-step{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;padding:9px 0;border-top:1px solid #EDF0F1}.dtg-screen-handbook .formula-step:first-of-type{border-top:0}.dtg-screen-handbook .formula-step-num{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff;font-size:12px;font-weight:900}.dtg-screen-handbook .formula-step b{display:block;font-size:13px;margin-bottom:2px}.dtg-screen-handbook .formula-step p{margin:0;font-size:12.5px;color:#5D6970}.dtg-screen-handbook .formula-example{margin:0 16px 16px;padding:14px 16px;border-left:4px solid var(--orange);background:#FBFCFC;border-radius:0 7px 7px 0}.dtg-screen-handbook .formula-example strong{display:block;margin-bottom:6px}.dtg-screen-handbook .formula-example .calc{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.65}.dtg-screen-handbook .formula-result{margin:16px 0 0;padding:13px 15px;background:#252D32;color:#fff;border-radius:7px}.dtg-screen-handbook .formula-result b{color:#fff}.dtg-screen-handbook .formula-result p{margin:4px 0 0;color:#D8DEE1;font-size:12.5px}.dtg-screen-handbook .clean-list{margin:8px 0 20px;padding:0;list-style:none}.dtg-screen-handbook .clean-list li{position:relative;margin:7px 0;padding-left:22px}.dtg-screen-handbook .clean-list li:before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;background:var(--orange);border-radius:50%}.dtg-screen-handbook .procedure{counter-reset:step;margin:15px 0 22px;padding:0;list-style:none}.dtg-screen-handbook .procedure li{counter-increment:step;display:grid;grid-template-columns:74px 1fr;gap:8px;padding:12px 0;border-bottom:1px solid var(--line)}.dtg-screen-handbook .procedure li:before{content:"Step " counter(step);width:auto;height:auto;border-radius:0;display:block;background:none;color:#EE8E21;font-size:12px;font-weight:800;margin-top:2px;text-transform:uppercase;letter-spacing:.04em}.dtg-screen-handbook .checklist{border-top:1px solid var(--line);margin:16px 0 22px}.dtg-screen-handbook .check{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:11px 0;border-bottom:1px solid var(--line)}.dtg-screen-handbook .check strong{color:#252D32}.dtg-screen-handbook .check span{color:#4F5A61}.dtg-screen-handbook .limit-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.dtg-screen-handbook .limit-item{background:#FAFBFB;border:1px solid var(--line);border-radius:9px;padding:16px 18px;min-width:0}.dtg-screen-handbook .limit-item strong{display:block;margin:0 0 5px;color:#20272B;font-size:15px;line-height:1.3}.dtg-screen-handbook .limit-item p{margin:0;color:#3F4A50}.dtg-screen-handbook .mesh-application-table{min-width:760px}.dtg-screen-handbook .mesh-application-table th:nth-child(1){width:24%;min-width:180px}.dtg-screen-handbook .mesh-application-table th:nth-child(2),.dtg-screen-handbook .mesh-application-table th:nth-child(3),.dtg-screen-handbook .mesh-application-table th:nth-child(4){width:25.33%;min-width:170px}.dtg-screen-handbook .mesh-application-table td{vertical-align:top}.dtg-screen-handbook .mesh-type-key{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0 16px}.dtg-screen-handbook .mesh-type-key>div{border:1px solid var(--line);border-radius:8px;background:#F7F9F9;padding:11px 12px}.dtg-screen-handbook .mesh-type-key b{display:block;color:var(--dark);font-size:13px;margin-bottom:4px}.dtg-screen-handbook .mesh-type-key span{display:block;color:#59666D;font-size:12.5px;line-height:1.45}.dtg-screen-handbook .mesh-family-primary{font-weight:800;color:#20272B}.dtg-screen-handbook .mesh-family-specialty{font-weight:700;color:#59666D}.dtg-screen-handbook .mesh-family-na{color:#98A2A7}@media (max-width:900px){.dtg-screen-handbook .mesh-type-key{grid-template-columns:1fr 1fr}}@media (max-width:560px){.dtg-screen-handbook .mesh-type-key{grid-template-columns:1fr}}.dtg-screen-handbook .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:9px;margin:16px 0 25px;background:#fff}.dtg-screen-handbook .data-table,.dtg-screen-handbook .trouble{width:100%;border-collapse:collapse;margin:0;font-size:13.7px}.dtg-screen-handbook .data-table caption{caption-side:top;text-align:left;font-weight:800;font-size:15px;padding:13px 14px;background:#F6F8F8;color:var(--dark);border-bottom:1px solid var(--line)}.dtg-screen-handbook .data-table th,.dtg-screen-handbook .trouble th{background:#3A4349;color:#fff;text-align:left;padding:10px 11px;vertical-align:bottom}.dtg-screen-handbook .data-table td,.dtg-screen-handbook .trouble td{padding:9px 11px;border-bottom:1px solid var(--line);vertical-align:top}.dtg-screen-handbook .data-table tbody tr:nth-child(even),.dtg-screen-handbook .trouble tbody tr:nth-child(even){background:#F8F9F9}.dtg-screen-handbook .data-table tbody tr:hover,.dtg-screen-handbook .trouble tbody tr:hover{background:#FFF9F1}.dtg-screen-handbook .data-table .note-row td{font-size:12px;color:var(--muted);background:#fff}.dtg-screen-handbook .record-table{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin-top:15px}.dtg-screen-handbook .record-table strong,.dtg-screen-handbook .record-table span{padding:10px 12px;border-bottom:1px solid var(--line)}.dtg-screen-handbook .record-table strong{background:#F4F6F6}.dtg-screen-handbook .record-table span{border-left:1px solid var(--line);background:#fff}.dtg-screen-handbook .record-table strong:nth-last-of-type(1),.dtg-screen-handbook .record-table span:last-child{border-bottom:0}.dtg-screen-handbook .visual-explainer{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:24px;align-items:center;margin:22px 0 26px;padding:20px;background:#F8FAFA;border:1px solid var(--line);border-radius:11px}.dtg-screen-handbook .visual-copy h3{margin-top:0}.dtg-screen-handbook .visual-copy h3:after{display:none}.dtg-screen-handbook .visual-copy p:last-child{margin-bottom:0}.dtg-screen-handbook .diagram-card{background:#fff;border:1px solid #D8DEE1;border-radius:9px;padding:14px;box-shadow:0 6px 15px rgba(31,37,41,.04)}.dtg-screen-handbook .diagram-title{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#59656B;margin-bottom:10px}.dtg-screen-handbook .diagram-card svg{display:block;width:100%;height:auto}.dtg-screen-handbook .diagram-caption{font-size:12.5px;color:var(--muted);line-height:1.45;margin-top:8px}.dtg-screen-handbook .mini-diagram{margin:18px 0 24px;border:1px solid var(--line);padding:18px;background:#F8FAFA;border-radius:9px}.dtg-screen-handbook .weave-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.dtg-screen-handbook .weave-box{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px}.dtg-screen-handbook .weave-box b{display:block;margin-bottom:8px}.dtg-screen-handbook .weave{height:140px;border:1px solid #CDD3D6;background-color:#fff;background-size:28px 28px}.dtg-screen-handbook .weave.plain{background-image:linear-gradient(90deg,transparent 40%,#AAB2B7 41%,#AAB2B7 58%,transparent 59%),linear-gradient(0deg,transparent 40%,#626D74 41%,#626D74 58%,transparent 59%)}.dtg-screen-handbook .weave.open{background-size:43px 43px;background-image:linear-gradient(90deg,transparent 43%,#AAB2B7 44%,#AAB2B7 56%,transparent 57%),linear-gradient(0deg,transparent 43%,#626D74 44%,#626D74 56%,transparent 57%)}.dtg-screen-handbook .weave-caption{font-size:12.5px;color:var(--muted);margin-top:7px}.dtg-screen-handbook .metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.dtg-screen-handbook .metric{padding:13px 14px;border:1px solid var(--line);border-radius:8px;background:#fff}.dtg-screen-handbook .metric b{display:block;font-size:20px;line-height:1.1;color:var(--dark)}.dtg-screen-handbook .metric span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.dtg-screen-handbook .spectrum{height:16px;border-radius:999px;background:linear-gradient(90deg,#6F56A5 0 21%,#4F66B5 21% 38%,#4384B4 38% 55%,#68A0A1 55% 68%,#A1AE76 68% 80%,#E0A94E 80% 91%,#D87B4B 91%);position:relative;margin:30px 8px 12px}.dtg-screen-handbook .spectrum:before{content:"300 nm";position:absolute;left:0;top:23px;font-size:11px;color:var(--muted)}.dtg-screen-handbook .spectrum:after{content:"500 nm";position:absolute;right:0;top:23px;font-size:11px;color:var(--muted)}.dtg-screen-handbook .range-mark{position:absolute;top:-10px;height:36px;border:2px solid var(--orange);border-radius:5px;background:rgba(238,142,33,.12)}.dtg-screen-handbook .profile-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:end;min-height:125px}.dtg-screen-handbook .profile-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;min-height:112px}.dtg-screen-handbook .profile-shape{width:62px;height:72px;background:#59656B;flex:0 0 auto}.dtg-screen-handbook .sq{border-radius:0}.dtg-screen-handbook .round{border-radius:0 0 31px 31px}.dtg-screen-handbook .vee{clip-path:polygon(0 0,100% 0,50% 100%)}.dtg-screen-handbook .profile-label{text-align:center;font-size:12px;color:var(--muted);margin-top:10px;min-height:18px}.dtg-screen-handbook .calc{border:1px solid var(--line);background:#FAFBFB;padding:19px;margin:17px 0 24px;border-radius:10px}.dtg-screen-handbook .calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.dtg-screen-handbook .calc label{font-size:12px;font-weight:800;color:#465158}.dtg-screen-handbook .calc input,.dtg-screen-handbook .calc select{width:100%;margin-top:5px;border:1px solid #CBD2D6;border-radius:6px;padding:10px;font:inherit;background:#fff}.dtg-screen-handbook .calc button{margin-top:13px;border:0;background:var(--dark);color:#fff;font-weight:800;padding:11px 15px;border-radius:6px;cursor:pointer}.dtg-screen-handbook .calc button:hover{background:var(--orange);color:#fff}.dtg-screen-handbook .calculator-note{margin-top:11px;font-size:12px;line-height:1.5;color:var(--muted);padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:6px}.dtg-screen-handbook .calc-result{display:none;margin-top:14px;padding:12px;background:#fff;border-left:4px solid var(--orange)}.dtg-screen-handbook .calc-result.show{display:block}.dtg-screen-handbook .faq-item{border:1px solid var(--line);background:#FAFBFB;border-radius:8px;padding:15px 16px;margin:9px 0}.dtg-screen-handbook .faq-item h3{font-size:17px;margin:0 0 6px}.dtg-screen-handbook .faq-item h3:after{display:none}.dtg-screen-handbook .no-results{display:none;padding:30px;border:1px dashed #BAC2C6;background:#fff;text-align:center;color:var(--muted);margin:20px 0}.dtg-screen-handbook .no-results.show{display:block}.dtg-screen-handbook .footer-note{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--muted);font-size:13px}.dtg-screen-handbook .backtop{font-weight:800;text-decoration:none;color:var(--dark)}.dtg-screen-handbook .backtop:hover{color:var(--orange)}@media (max-width:1080px){.dtg-screen-handbook .hero-in{grid-template-columns:1fr}.dtg-screen-handbook .hero-visual{display:none}.dtg-screen-handbook .intro-grid{grid-template-columns:1fr}.dtg-screen-handbook .layout{grid-template-columns:220px minmax(0,1fr);gap:24px}.dtg-screen-handbook .definition-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:1360px){.dtg-screen-handbook .toc-edge-tab{display:none}}@media (max-width:980px){.dtg-screen-handbook .utility-in{flex-wrap:wrap}.dtg-screen-handbook .jump-nav{order:3;flex:1 1 100%;min-width:0}.dtg-screen-handbook .jump-nav select{max-width:none}}@media (max-width:860px){.dtg-screen-handbook .layout{grid-template-columns:1fr;padding-top:22px}.dtg-screen-handbook .toc{display:none}.dtg-screen-handbook .mobile-toc{display:block}.dtg-screen-handbook .utility>a{display:none}.dtg-screen-handbook .chapter{padding:27px 22px 31px}.dtg-screen-handbook .visual-explainer{grid-template-columns:1fr}.dtg-screen-handbook .system-flow{grid-template-columns:repeat(2,1fr)}}@media (max-width:680px){.dtg-screen-handbook{scroll-padding-top:128px}.dtg-screen-handbook .wrap{width:min(100% - 28px,var(--max))}.dtg-screen-handbook .hero-in{padding:44px 0 40px}.dtg-screen-handbook .hero h1{font-size:36px}.dtg-screen-handbook .hero p{font-size:16px}.dtg-screen-handbook .chapter h2{font-size:25px}.dtg-screen-handbook .definition-grid,.dtg-screen-handbook .two-col,.dtg-screen-handbook .compare,.dtg-screen-handbook .weave-pair,.dtg-screen-handbook .metric-strip,.dtg-screen-handbook .calc-grid{grid-template-columns:1fr}.dtg-screen-handbook .utility-in{align-items:stretch;flex-direction:column;gap:8px}.dtg-screen-handbook .mobile-toc{width:100%;flex-basis:auto}.dtg-screen-handbook .mobile-toc-menu{width:100%;max-height:56vh}.dtg-screen-handbook .utility a{display:none}.dtg-screen-handbook .record-table{grid-template-columns:1fr}.dtg-screen-handbook .record-table span{border-left:0}.dtg-screen-handbook .procedure li{grid-template-columns:62px 1fr}.dtg-screen-handbook .profile-row{grid-template-columns:1fr}.dtg-screen-handbook .data-table,.dtg-screen-handbook .trouble{font-size:12.3px}.dtg-screen-handbook .data-table th,.dtg-screen-handbook .data-table td,.dtg-screen-handbook .trouble th,.dtg-screen-handbook .trouble td{padding:8px}.dtg-screen-handbook .chapter:before{height:44px}}.dtg-screen-handbook .hero-reference{width:min(100%,500px);background:#fff;border:1px solid rgba(255,255,255,.22);border-radius:12px;box-shadow:0 20px 45px rgba(0,0,0,.18);overflow:hidden;color:#323A40}.dtg-screen-handbook .hero-reference-head{padding:14px 16px 12px;border-bottom:1px solid #DDE2E5;background:#F8FAFA}.dtg-screen-handbook .hero-reference-head strong{display:block;font-size:14px}.dtg-screen-handbook .hero-reference-head span{display:block;margin-top:3px;font-size:12px;color:#68747A}.dtg-screen-handbook .hero-reference-body{padding:4px 16px 8px}.dtg-screen-handbook .ref-row{display:grid;grid-template-columns:145px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid #E6EAEC;font-size:12.5px;line-height:1.4}.dtg-screen-handbook .ref-row:last-child{border-bottom:0}.dtg-screen-handbook .ref-row b{color:#323A40}.dtg-screen-handbook .ref-row span{color:#59656B}.dtg-screen-handbook .geometry-list{display:grid;gap:0;border:1px solid #D8DEE1;border-radius:8px;overflow:hidden;background:#fff}.dtg-screen-handbook .geometry-row{display:grid;grid-template-columns:145px 1fr;gap:14px;padding:11px 13px;border-bottom:1px solid #E4E8EA}.dtg-screen-handbook .geometry-row:last-child{border-bottom:0}.dtg-screen-handbook .geometry-row b{font-size:12.5px}.dtg-screen-handbook .geometry-row span{font-size:12.5px;color:#59656B}.dtg-screen-handbook .variable-chain{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:stretch}.dtg-screen-handbook .variable-node{border:1px solid #D8DEE1;border-radius:8px;background:#fff;padding:12px 10px;text-align:center;font-size:12.5px;line-height:1.35}.dtg-screen-handbook .variable-node b{display:block;margin-bottom:3px}.dtg-screen-handbook .variable-arrow{display:flex;align-items:center;justify-content:center;color:#7A858B;font-size:18px}.dtg-screen-handbook .tension-map{position:relative;height:220px;border:8px solid #59656B;border-radius:9px;background:#F7F9F9}.dtg-screen-handbook .tension-map:before{content:"";position:absolute;inset:25px;border:1px solid #DDE2E5;background:#fff}.dtg-screen-handbook .tension-point{position:absolute;width:32px;height:32px;border-radius:50%;background:#EE8E21;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;z-index:1;border:3px solid #fff}.dtg-screen-handbook .tp1{left:18%;top:26%}.dtg-screen-handbook .tp2{right:18%;top:26%}.dtg-screen-handbook .tp3{left:50%;top:50%;transform:translate(-50%,-50%)}.dtg-screen-handbook .tp4{left:18%;bottom:18%}.dtg-screen-handbook .tp5{right:18%;bottom:18%}.dtg-screen-handbook .rz-compare{display:grid;gap:14px}.dtg-screen-handbook .rz-row{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center}.dtg-screen-handbook .rz-row b{font-size:12.5px}.dtg-screen-handbook .rz-surface{height:58px;border:1px solid #D8DEE1;border-radius:7px;background:#fff;position:relative;overflow:hidden}.dtg-screen-handbook .rz-surface:before{content:"";position:absolute;left:18px;right:18px;bottom:11px;height:7px;background:#D8DEE1;border-radius:3px}.dtg-screen-handbook .rz-surface:after{content:"";position:absolute;left:18px;right:18px;bottom:24px;height:4px;background:#EE8E21}.dtg-screen-handbook .rz-surface.high:after{height:18px;bottom:17px;background:linear-gradient(135deg,transparent 0 10%,#EE8E21 10% 18%,transparent 18% 28%,#EE8E21 28% 38%,transparent 38% 48%,#EE8E21 48% 58%,transparent 58% 68%,#EE8E21 68% 78%,transparent 78% 88%,#EE8E21 88% 96%,transparent 96%)}.dtg-screen-handbook .rz-label{font-size:11.5px;color:#68747A;margin-top:5px}.dtg-screen-handbook .offcontact-stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #D8DEE1;border-radius:10px;overflow:hidden;background:#fff}.dtg-screen-handbook .off-stage{padding:16px;border-right:1px solid #E4E8EA;min-width:0}.dtg-screen-handbook .off-stage:last-child{border-right:0}.dtg-screen-handbook .off-stage b{display:block;font-size:14px;margin-bottom:4px;color:#232A2F}.dtg-screen-handbook .off-stage>p{font-size:12.5px;line-height:1.48;color:#59656B;margin:10px 0 0}.dtg-screen-handbook .off-scale-graphic{margin:12px 0 8px;background:#F7F9F9;border:1px solid #E0E5E7;border-radius:7px;padding:12px;overflow:hidden}.dtg-screen-handbook .off-scale-graphic svg{display:block;width:100%;height:auto;aspect-ratio:100/24}.dtg-screen-handbook .off-scale-key{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:8px;font-size:10.5px;color:#667279}.dtg-screen-handbook .off-scale-key span{display:inline-flex;align-items:center;gap:5px}.dtg-screen-handbook .off-scale-key i{display:inline-block;width:16px;height:3px;border-radius:2px;background:#59656B}.dtg-screen-handbook .off-scale-key i.substrate{background:#C9D1D5}.dtg-screen-handbook .off-scale-key i.ink{background:#EE8E21}.dtg-screen-handbook .off-scale-note{margin:0 0 14px;padding:9px 11px;border-left:3px solid #EE8E21;background:#FFF8EF;font-size:12px;line-height:1.5;color:#49555B}.dtg-screen-handbook .off-scale-note strong{color:#232A2F}.dtg-screen-handbook .off-scale-dimension{font-size:11px;color:#59656B;margin-top:6px}.dtg-screen-handbook .offcontact-stages .off-stage:nth-child(2) .off-scale-graphic{background:#FAFBFB}.dtg-screen-handbook .process-cycle{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr);gap:8px;align-items:center;padding:14px 0 4px}.dtg-screen-handbook .cycle-step{border:1px solid #D8DEE1;background:#fff;border-radius:8px;padding:14px 8px;text-align:center;font-size:12.5px;font-weight:800}.dtg-screen-handbook .cycle-arrow{display:flex;align-items:center;justify-content:center;color:#7E898F;font-size:20px;line-height:1}.dtg-screen-handbook .visual-explainer{overflow:hidden}.dtg-screen-handbook .visual-explainer>*{min-width:0}.dtg-screen-handbook .diagram-card{min-width:0;overflow:hidden}.dtg-screen-handbook .profile-row{flex-wrap:wrap}.dtg-screen-handbook .profile-row>div{min-width:80px}@media (max-width:1080px){.dtg-screen-handbook .hero-visual{display:block}}@media (max-width:860px){.dtg-screen-handbook .hero-reference{width:100%}.dtg-screen-handbook .offcontact-stages{grid-template-columns:1fr}.dtg-screen-handbook .off-stage{border-right:0;border-bottom:1px solid #E4E8EA}.dtg-screen-handbook .off-stage:last-child{border-bottom:0}}@media (max-width:820px){.dtg-screen-handbook .formula-vars{grid-template-columns:1fr 1fr}.dtg-screen-handbook .formula-var:nth-child(2){border-right:0}.dtg-screen-handbook .formula-var:nth-child(-n+2){border-bottom:1px solid #E2E7E9}}@media (max-width:680px){.dtg-screen-handbook .ref-row,.dtg-screen-handbook .geometry-row,.dtg-screen-handbook .rz-row{grid-template-columns:1fr;gap:4px}.dtg-screen-handbook .variable-chain{grid-template-columns:1fr}.dtg-screen-handbook .variable-arrow{transform:rotate(90deg);min-height:18px}.dtg-screen-handbook .process-cycle{grid-template-columns:1fr;gap:6px}.dtg-screen-handbook .cycle-arrow{font-size:0;min-height:18px}.dtg-screen-handbook .cycle-arrow:before{content:"↓";font-size:20px}.dtg-screen-handbook .formula-vars{grid-template-columns:1fr}.dtg-screen-handbook .formula-var{border-right:0;border-bottom:1px solid #E2E7E9}.dtg-screen-handbook .formula-var:last-child{border-bottom:0}.dtg-screen-handbook .formula-var:nth-child(-n+2){border-bottom:1px solid #E2E7E9}}@media (max-width:620px){.dtg-screen-handbook .limit-grid{grid-template-columns:1fr}}@media (min-width:861px){.dtg-screen-handbook .layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:34px;align-items:start;padding-top:34px}.dtg-screen-handbook .toc{display:block;position:sticky;top:78px;max-height:calc(100vh - 96px);overflow:auto}.dtg-screen-handbook .mobile-toc{display:none}}@media (max-width:1080px) and (min-width:861px){.dtg-screen-handbook .layout{grid-template-columns:220px minmax(0,1fr);gap:24px}}@media (max-width:860px){.dtg-screen-handbook{scroll-padding-top:126px}.dtg-screen-handbook .layout{display:block;padding-top:22px}.dtg-screen-handbook .toc{display:none!important}.dtg-screen-handbook .mobile-toc{display:block!important;position:relative;flex:0 0 235px}.dtg-screen-handbook .utility{position:sticky;top:0;z-index:60}.dtg-screen-handbook .utility-in{display:flex;align-items:center;gap:10px;padding:9px 0}.dtg-screen-handbook .utility .search{min-width:0;flex:1}.dtg-screen-handbook .utility>a{display:none}.dtg-screen-handbook .chapter{scroll-margin-top:112px}}@media (max-width:680px){.dtg-screen-handbook{scroll-padding-top:166px}.dtg-screen-handbook .utility-in{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:8px 0}.dtg-screen-handbook .mobile-toc{width:100%;flex:0 0 auto}.dtg-screen-handbook .mobile-toc-button{width:100%}.dtg-screen-handbook .mobile-toc-menu{left:0;right:0;width:100%;max-height:55vh}.dtg-screen-handbook .utility .search{width:100%}.dtg-screen-handbook .chapter{scroll-margin-top:154px}}@media (max-width:860px){.dtg-screen-handbook .utility-in>a{display:none!important}.dtg-screen-handbook .mobile-toc-menu a{display:block!important}}@media (max-width:680px){.dtg-screen-handbook .mobile-toc-menu a{display:block!important}}@media (max-width:860px){.dtg-screen-handbook{scroll-padding-top:82px}.dtg-screen-handbook .chapter{scroll-margin-top:0}}@media (max-width:680px){.dtg-screen-handbook{scroll-padding-top:128px}.dtg-screen-handbook .chapter{scroll-margin-top:0}}.dtg-screen-handbook .mobile-toc-menu.open-up{top:auto;bottom:calc(100% + 7px)}.dtg-screen-handbook{--orange:#EE8E21;--orange-2:#EE8E21;--orange-soft:rgba(238,142,33,.08);--dark:#323A40;--dark-2:#252C31;--grey:#474E54;--tan:#A19B87;--ink:#1E2529;--muted:#66737B;--line:#DCE2E5;--soft:#F5F7F7;--soft-2:#EEF2F3;--white:#fff;--max:1360px;--shadow:0 14px 34px rgba(30,37,41,.07);background:#F4F6F6;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.65;isolation:isolate}.dtg-screen-handbook,.dtg-screen-handbook *{box-sizing:border-box}.dtg-screen-handbook .mobile-toc summary{list-style:none}.dtg-screen-handbook .mobile-toc summary::-webkit-details-marker{display:none}.dtg-screen-handbook .mobile-toc[open] .mobile-toc-chevron{transform:rotate(180deg)}.dtg-screen-handbook .mobile-toc[open] .mobile-toc-menu{display:block}.dtg-screen-handbook .mobile-toc-menu{top:calc(100% + 7px)}.dtg-screen-handbook .chapter{scroll-margin-top:92px}@media (max-width:860px){.dtg-screen-handbook .chapter{scroll-margin-top:92px}}@media (max-width:680px){.dtg-screen-handbook .chapter{scroll-margin-top:132px}}.dtg-screen-handbook{margin-top:-55px!important}@media (max-width:991px){.dtg-screen-handbook{margin-top:-25px!important}}@media (max-width:575px){.dtg-screen-handbook{margin-top:0!important}}
