.nb-page{color:#1c2430}.nb-page .wrap{width:min(1200px,calc(100% - 32px));margin:0 auto}.nb-page .hero{background:#00bd85;color:#fff;padding:48px 0 40px}.nb-page .eyebrow{margin:0 0 12px;font-size:16px;font-weight:700}.nb-page h1{margin:0 0 16px;font-size:40px;line-height:1.4;font-weight:800}.nb-page .catalog-lead,.nb-page .intro p,.nb-page .lead{font-size:18px;line-height:2}.nb-page .lead{margin:0;max-width:760px}.nb-page .intro{padding:36px 0 8px}.nb-page .intro p{margin:0}.nb-page .catalog{padding:28px 0 12px}.nb-page h2{margin:0 0 8px;font-size:28px}.nb-page h3{margin:28px 0 14px;font-size:22px}.nb-page .track-tabs{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 8px}.nb-page .track-tabs button{flex:1 1;border:0;border-radius:24px;padding:16px;cursor:pointer;font-size:22px;font-weight:700;font-family:inherit}.nb-page .track-tabs button[data-track="تجربی"]{background:#d6e2fd;color:#2f5af4}.nb-page .track-tabs button[data-track="ریاضی"]{background:#ffe2f5;color:#cc57a3}.nb-page .track-tabs button[data-track="انسانی"]{background:#ffedcc;color:#cc8200}.nb-page .track-tabs button[data-track="مشترک"]{background:#f3f4f6;color:#1c2430}.nb-page .track-tabs button[data-track="تجربی"].active{background:#2f5af4;color:#fff}.nb-page .track-tabs button[data-track="ریاضی"].active{background:#ff6ecd;color:#fff}.nb-page .track-tabs button[data-track="انسانی"].active{background:#ffa302;color:#1c2430}.nb-page .track-tabs button[data-track="مشترک"].active{background:#1c2430;color:#fff}.nb-page h3[data-track="تجربی"]{color:#2f5af4}.nb-page h3[data-track="ریاضی"]{color:#ff6ecd}.nb-page h3[data-track="انسانی"]{color:#ffa302}.nb-page h3[data-track="مشترک"]{color:#1c2430}.nb-page .shared{margin-top:36px;padding-top:8px;border-top:1px solid #e7ebf2}.nb-page .courses{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.nb-page .course{border:1px solid #e7ebf2;border-radius:18px;overflow:hidden;background:#fff;display:flex;flex-direction:column}.nb-page .shot{background:#efe6cf}.nb-page .course img,.nb-page .shot-ph{width:100%;height:auto;display:block}.nb-page .shot-ph{min-height:160px}.nb-page .body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1 1}.nb-page .course h3{margin:0;font-size:18px;line-height:1.7;font-weight:700}.nb-page .course-subtitle{margin:0;color:#5c6778;font-size:14px;line-height:1.7}.nb-page .course ul{margin:0;padding:0;list-style:none;color:#5c6778;font-size:14px;gap:6px}.nb-page .buy,.nb-page .course ul{display:flex;flex-direction:column}.nb-page .buy{margin-top:auto;gap:12px;padding-top:12px}.nb-page .installment{align-self:flex-start;background:#ffa300;color:#1c2430;font-weight:600;font-size:14px;border-radius:12px;padding:4px 12px}.nb-page .price-row{display:flex;justify-content:space-between;align-items:center}.nb-page .price{font-weight:800;font-size:20px}.nb-page .enroll{display:block;background:#ffa300;color:#111;font-weight:700;border-radius:12px;padding:12px 14px;text-align:center}.nb-page .faq{padding:12px 0 48px}.nb-page details{border-bottom:1px solid #e7ebf2;padding:12px 0}.nb-page summary{cursor:pointer;font-weight:700;font-size:18px}.nb-page details p{margin:8px 0 0;line-height:1.9;color:#3c4656}@media (max-width:900px){.nb-page .courses{grid-template-columns:1fr}.nb-page h1{font-size:30px}}