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16px;border-radius:8px;min-height:44px;cursor:pointer;white-space:normal;max-width:100%}button.selected,button.primary{background:#d4e3ed;color:#111;border-color:#d4e3ed;font-weight:600}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #427b9c;outline-offset:3px}.grid{display:grid;grid-template-columns:1fr;gap:16px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field input,.field select{box-sizing:border-box;width:100%;min-width:0;padding:12px;border-radius:8px;border:1px solid #b7c1c9;background:#fff;color:#111;min-height:48px;color-scheme:light}.field input[type=date]{direction:ltr;text-align:right}small,.note{color:#222}fieldset{border:0;margin:16px 0;padding:0}legend{margin-bottom:10px}.period,.results{background:#fff;padding:18px;border:1px solid #cdd2d7;border-radius:14px;margin:18px 0}.periodTitle{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.notice{background:#e5eaee;border-right:4px solid #d4e3ed;padding:16px;margin:18px 0;border-radius:8px}.notice p{margin:8px 0}.check{display:flex;align-items:flex-start;gap:10px;margin:14px 0;min-height:44px}.check input{width:20px;height:20px;flex-shrink:0;accent-color:#d4e3ed;margin-top:3px}.stat{padding:14px;border:1px solid #b7c1c9;border-radius:10px}.stat small,.stat strong{display:block}.stat strong{font-size:19px;margin-top:8px;overflow-wrap:anywhere}.amount{color:#111;font-size:36px;font-weight:600;line-height:1.4}.amount span{font-size:16px}.error{color:#8d1f28;background:#fbecee;padding:16px;border-radius:8px}details{border:1px solid #cdd2d7;padding:12px 16px;border-radius:10px;margin:14px 0}summary{cursor:pointer;min-height:44px;display:list-item;padding:8px 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a.selected{background:#d4e3ed;color:#111!important;font-weight:600}.demo{margin-top:6px}.editorial{margin:0 0 24px;max-width:240px}.editorial img{display:block;width:100%;border-radius:12px}.editorial figcaption{color:#222;font-size:12px;margin-top:6px}.brand h1,.brand h2,.brand h3{color:#234e68}.brand .amount{color:#111}.check input{accent-color:#275a78}.brand button.primary{background:#275a78;color:#fff;border-color:#275a78}.brand nav a.selected{background:#d4e3ed;border-color:#6f91a6;color:#111!important}.brand table thead{background:#e5eaee}.brand .notice{border-right-color:#275a78}.brand .identity img{box-shadow:0 0 0 1px #bdc7ce}.brand button:hover:not(:disabled){filter:brightness(.96)}.brand .identity{align-items:center;gap:24px}.brand .identity img{width:148px;height:148px;padding:10px;background:#fff;box-shadow:0 0 0 1px #b5bdc4,0 3px 10px #00000012;object-fit:contain}.brand .notice{background:#e9edef}@media(max-width:719px){.brand .identity{flex-direction:column;align-items:flex-start;gap:18px}.brand .identity img{width:140px;height:140px}}html{background:#d9dde0;font-family:Arial,Tahoma,sans-serif;color:#111}body{background:#d9dde0;font-size:16px;line-height:1.7}.file-card{max-width:1040px;margin:auto;padding:36px}.section{margin:32px 0}.section h2{font-size:23px;margin:0 0 20px}h1{font-size:36px;line-height:1.4;margin:0 0 20px;font-weight:600}footer{border-top:1px solid #cdd2d7;padding:20px 0;margin-top:32px;font-size:13px;color:#303438}.identity header p{margin-top:18px}.brand{min-height:100vh}@media(max-width:719px){.file-card{padding:24px}h1{font-size:28px}.section h2{font-size:21px}}@media(max-width:380px){.file-card{padding:20px}}
.brand .identity img{outline:4px solid #275a78;outline-offset:-4px}
@font-face{font-family:"Cairo";font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/cairo-arabic.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+2010-2011,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"Cairo";font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/cairo-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212}
html,body,button,select,input,textarea,table,pre,summary{font-family:"Cairo","Segoe UI",Tahoma,Arial,sans-serif}
body{font-size:17px;line-height:1.8;font-weight:500;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-weight:800;letter-spacing:0}
h1{font-size:40px;line-height:1.35}
.section h2{font-size:26px;font-weight:800}
h3,legend,summary{font-weight:700}
label,.field>span,th{font-weight:700}
small,.note{font-weight:500}
button,nav a{font-weight:700;font-size:16px}
.brand button.primary{font-weight:800}
.stat strong{font-size:22px;font-weight:800}
.amount{font-size:44px;font-weight:800;line-height:1.35}
.amount span{font-size:18px;font-weight:700}
.formula{font-weight:700}
@media(max-width:719px){h1{font-size:30px}.section h2{font-size:23px}.amount{font-size:38px}body{font-size:16.5px}}
@media(max-width:380px){.amount{font-size:32px}h1{font-size:27px}}

.tutorial-section{margin:20px 0 28px}.tutorial-details{border:1px solid #aebbc5;background:#e8edf0;border-radius:12px;padding:16px}.tutorial-details summary{cursor:pointer;color:#245775;font-size:1.12rem;font-weight:800;line-height:1.8}.tutorial-details p{line-height:1.9;color:#303438}.tutorial-details video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#183b4c;border-radius:10px;margin:16px 0}.tutorial-details a{color:#245775;font-weight:700}.tutorial-details summary:focus-visible{outline:3px solid #427b9c;outline-offset:4px}