.bx-subject-guide{padding-top:72px}.bx-subject-guide-intro{padding:64px 0 48px}.bx-subject-guide-intro h1{letter-spacing:-.05em;margin:20px 0 28px;font-size:clamp(36px,5vw,76px);line-height:1.2}.bx-subject-guide-intro>p{max-width:760px;line-height:1.8}.bx-subject-guide-intro>p:last-child,.bx-subject-guide-note{color:#616161;font-size:14px}.bx-subject-guide-note{padding:20px 0;line-height:1.8}.bx-subject-guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:56px 32px;display:grid}.bx-subject-guide-grid article,.bx-subject-guide-diagnosis{scroll-margin-top:100px}.bx-subject-guide-grid article{border-bottom:1px solid #ddd;padding-bottom:32px}.bx-subject-guide-grid img{width:100%;height:auto}.bx-subject-guide-grid h2{margin:16px 0;font-size:28px}.bx-subject-guide-grid p{min-height:3.6em;line-height:1.8}.bx-subject-guide-grid ul{color:#616161;margin:20px 0;padding:0;font-size:14px;line-height:1.9;list-style:none}.bx-subject-guide-actions{flex-direction:column;align-items:flex-start;gap:20px;display:flex}.bx-subject-guide-diagnosis{border-top:1px solid #111;margin-top:88px;padding:56px 0 88px}.bx-subject-guide-diagnosis h2{margin-bottom:24px;font-size:clamp(28px,3vw,40px)}.bx-subject-guide-diagnosis p{line-height:1.8}.bx-subject-guide-diagnosis>div{flex-wrap:wrap;gap:20px;margin:32px 0;display:flex}@media (max-width:1000px){.bx-subject-guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.bx-subject-guide{padding-top:60px}.bx-subject-guide-intro{padding-top:36px}.bx-subject-guide-grid{grid-template-columns:1fr;gap:36px}.bx-subject-guide-grid img{object-fit:contain;max-height:300px}.bx-subject-guide-grid p{min-height:0}.bx-subject-guide-diagnosis .bx-button{width:100%}}.bx-subject-guide-grid h3{margin:24px 0 10px;font-size:16px}.bx-subject-guide-grid .bx-subject-scope{color:#647080;min-height:0;font-size:14px}.bx-subject-guide-grid .bx-subject-practice{color:#647080;border-block:1px solid #e7ebef;min-height:0;padding:16px 0;font-size:13px}.bx-exam-sources{color:#616161;border-top:1px solid #ddd;margin:40px 0 0;padding:24px 0;font-size:13px;line-height:1.8}.bx-exam-sources a{text-underline-offset:5px;margin:12px 24px 0 0;text-decoration:underline;display:inline-block}.bx-subject-guide-diagnosis>.bx-diagnosis-tabs{border-bottom:1px solid #dce1e7;gap:8px;margin:32px 0 0;display:flex}.bx-diagnosis-tabs button{font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;padding:16px 18px}.bx-diagnosis-tabs button[aria-selected=true]{color:#1761ff;border-bottom-color:#1761ff}.bx-diagnosis-tabs button:focus-visible{outline-offset:-3px;outline:2px solid #1761ff}.bx-subject-guide-diagnosis>.bx-diagnosis-panel{border:1px solid #e3e7ec;border-top:0;grid-template-columns:220px 1fr;align-items:center;gap:36px;margin:0 0 24px;padding:24px;display:grid}.bx-diagnosis-panel h3{margin:8px 0 16px;font-size:28px}.bx-diagnosis-panel .bx-button{margin-top:24px}.bx-diagnosis-panel img{width:100%;height:auto}@media (max-width:600px){.bx-diagnosis-tabs button{padding:14px 8px;font-size:14px}.bx-subject-guide-diagnosis>.bx-diagnosis-panel{grid-template-columns:1fr;gap:8px;padding:20px}.bx-diagnosis-panel img{justify-self:center;width:140px}}