/* DG Diagnostic Series — uses the site's locked application/article shell */
.dt-wrap{width:min(1120px,calc(100% - 32px));margin:auto}
@font-face{font-family:Vazirmatn;src:url('/assets/fonts/vazirmatn/Vazirmatn-Regular.woff2') format('woff2');font-display:swap}@font-face{font-family:Vazirmatn;src:url('/assets/fonts/vazirmatn/Vazirmatn-Bold.woff2') format('woff2');font-weight:700;font-display:swap}:root{--ink:#111418;--blue:#1F4E79;--muted:#697681;--line:#dddfdc;--paper:#F6F4EF;--white:#fff;--bronze:#A77A45;--soft:#eef3f7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Vazirmatn,Tahoma,sans-serif;line-height:1.9}.dt-wrap{width:min(1120px,calc(100% - 32px));margin:auto}.dt-top{padding:22px 0;border-bottom:1px solid #dedbd4}.dt-topin{display:flex;justify-content:space-between;align-items:center;gap:20px}.dt-brand{font-weight:700;text-decoration:none;color:var(--ink)}.dt-nav{display:flex;gap:18px}.dt-nav a{color:#52606b;text-decoration:none;font-size:14px}.dt-hero{padding:72px 0 44px}.dt-series{display:inline-flex;align-items:center;gap:10px;color:var(--bronze);font:700 12px/1.2 Arial,sans-serif;letter-spacing:1.5px;direction:ltr}.dt-series:before{content:'';width:34px;height:2px;background:var(--bronze)}.dt-hero h1{font-size:clamp(34px,6vw,64px);line-height:1.25;margin:15px 0}.dt-lead{max-width:820px;color:#45515b;font-size:18px}.dt-signature{margin-top:20px;color:#6d7780;font-size:13px}.dt-signature b{color:var(--ink)}.dt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:12px 0 70px}.dt-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e0ddd7;border-radius:22px;padding:25px;text-decoration:none;color:inherit;min-height:270px;transition:.18s}.dt-card:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(17,20,24,.07)}.dt-num{font:700 12px Arial,sans-serif;letter-spacing:1.2px;color:var(--bronze)}.dt-card h2{font-size:25px;line-height:1.45;margin:12px 0 8px}.dt-card p{color:#59656f;margin:0}.dt-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.dt-tags span{font-size:12px;background:#f3f5f6;border-radius:999px;padding:5px 9px;color:#52606b}.dt-go{margin-top:auto;padding-top:22px;color:var(--blue);font-weight:700}.dt-method{background:#111820;color:#eef2f5;padding:52px 0;margin-top:20px}.dt-method h2{font-size:30px;margin-top:0}.dt-method p{color:#cdd5db;max-width:800px}.dt-flow{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;direction:ltr;justify-content:flex-end}.dt-flow span{border:1px solid #35414c;border-radius:999px;padding:8px 12px;font:700 12px Arial,sans-serif}.tool-intro{padding:60px 0 24px}.tool-intro h1{font-size:clamp(34px,5vw,56px);line-height:1.3;margin:14px 0}.tool-intro .dt-lead{font-size:17px}.tool-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}.tool-fact{background:#fff;border:1px solid #e0ddd7;border-radius:16px;padding:16px}.tool-fact b{display:block;font-size:13px;color:var(--blue)}.tool-fact span{font-size:13px;color:#5b6771}.tool-frame{background:#fff;border:1px solid #dedbd4;border-radius:24px;overflow:hidden;margin:24px auto 50px;box-shadow:0 18px 50px rgba(17,20,24,.06)}.tool-frame iframe{display:block;width:100%;height:1900px;border:0;background:#F6F4EF}.tool-copy{max-width:900px;margin:0 auto 70px}.tool-copy h2{font-size:27px;margin-top:36px}.tool-copy p,.tool-copy li{color:#4d5963}.tool-note{background:#fbf8f3;border-right:3px solid var(--bronze);padding:16px 18px;border-radius:12px}.related{display:inline-flex;text-decoration:none;color:var(--blue);font-weight:700;border-bottom:1px solid #b7c7d5}.copyright{font-size:12px;color:#78828a;margin-top:30px}@media(max-width:760px){.dt-wrap{width:min(100% - 20px,1120px)}.dt-topin{align-items:flex-start}.dt-nav{gap:10px}.dt-hero{padding-top:45px}.dt-grid,.tool-facts{grid-template-columns:1fr}.dt-card{min-height:230px}.tool-frame{border-radius:16px}.tool-frame iframe{height:2400px}.dt-flow{justify-content:flex-start}.tool-intro{padding-top:42px}}
/* V4 responsive diagnostic flow */
.dt-flow{display:grid;grid-template-columns:repeat(6,minmax(86px,1fr));gap:10px;direction:rtl;justify-content:stretch;align-items:stretch}
.dt-flow span{font-family:Vazirmatn,Tahoma,sans-serif;font-size:14px;min-height:52px;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px 12px}
.dt-flow .flow-arrow{border:0;min-width:auto;padding:0;font-size:20px;color:#8fa0ad}
@media(max-width:760px){.dt-method{padding:38px 0}.dt-method h2{font-size:26px}.dt-flow{grid-template-columns:1fr 1fr;gap:9px}.dt-flow span{font-size:14px;min-height:48px}.dt-flow .flow-arrow{display:none}.tool-frame iframe{min-height:2200px}}
@media(min-width:761px){.dt-flow{grid-template-columns:repeat(11,auto);justify-content:start}.dt-flow span{min-width:92px}.dt-flow .flow-arrow{min-width:20px}}