.bgk-free-notice{border:1px solid rgba(16,185,129,.25);background:linear-gradient(135deg,#ecfdf5,#eff6ff);border-radius:18px;padding:16px 18px;margin:18px 0;color:#064e3b}.bgk-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0}.bgk-flow>div,.bgk-course-card,.bgk-quiz-card,.bgk-course-panel,.bgk-resource-box,.bgk-login-gate{border:1px solid rgba(15,23,42,.1);background:#fff;border-radius:22px;box-shadow:0 16px 48px rgba(15,23,42,.08)}.bgk-flow>div{padding:18px}.bgk-flow span{display:grid;place-items:center;width:34px;height:34px;border-radius:99px;background:#dcfce7;color:#166534;font-weight:800;margin-bottom:10px}.bgk-flow strong{font-size:1.05rem;color:#0f172a}.bgk-flow p{margin:.45rem 0 0;color:#64748b}.bgk-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:24px 0}.bgk-course-card{overflow:hidden}.bgk-course-card img,.bgk-card-visual{width:100%;aspect-ratio:16/9;object-fit:cover}.bgk-card-visual{display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#bbf7d0,#e0f2fe 45%,#f8fafc);font-weight:900;color:#14532d;font-size:1.5rem}.bgk-card-body{padding:20px}.bgk-pill{display:inline-flex;align-items:center;gap:6px;border-radius:99px;background:#ecfdf5;color:#166534;font-size:.78rem;font-weight:800;padding:6px 10px;margin-bottom:10px}.bgk-card-body h3,.bgk-quiz-card h3{margin:.2rem 0 .45rem;font-size:1.25rem}.bgk-card-body p,.bgk-quiz-card p{color:#64748b}.bgk-meta{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0;color:#475569;font-size:.9rem}.bgk-meta span{background:#f8fafc;border:1px solid #e2e8f0;border-radius:99px;padding:6px 10px}.bgk-course-panel{padding:24px;margin:28px 0}.bgk-panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.bgk-lesson-list{display:grid;gap:10px;margin:16px 0}.bgk-lesson-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;text-decoration:none;border:1px solid #e2e8f0;border-radius:16px;padding:14px 16px;color:#0f172a;background:#f8fafc}.bgk-lesson-row:hover{background:#ecfdf5}.bgk-lesson-row em{font-style:normal;color:#64748b}.bgk-quiz-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:22px 0}.bgk-quiz-list.compact{display:flex;flex-wrap:wrap}.bgk-quiz-card{padding:20px}.bgk-quiz-chip{display:inline-flex;text-decoration:none;border:1px solid #dbeafe;background:#eff6ff;color:#1d4ed8;padding:10px 14px;border-radius:999px}.bgk-practice{margin:24px 0}.bgk-test-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid #dbeafe;background:#eff6ff;border-radius:22px;padding:18px 20px;margin-bottom:18px}.bgk-test-head h2{margin:.2rem 0 0}.bgk-timer{font-size:1.3rem;font-weight:900;color:#1d4ed8;background:#fff;border-radius:14px;padding:10px 14px}.bgk-question{border:1px solid #e2e8f0;border-radius:20px;padding:18px;background:#fff;margin-bottom:14px}.bgk-question h3{font-size:1.05rem}.bgk-question label{display:block;border:1px solid #e2e8f0;border-radius:14px;padding:12px;margin:9px 0;cursor:pointer}.bgk-question label:hover{border-color:#86efac;background:#f0fdf4}.bgk-question span{font-weight:800}.bgk-quiz-result{margin-top:18px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:20px;padding:18px}.bgk-review-item{border-top:1px solid #bbf7d0;padding:10px 0}.bgk-login-gate{padding:28px;text-align:center;background:linear-gradient(135deg,#f8fafc,#ecfdf5)}.bgk-lesson-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 18px}.bgk-resource-box{padding:20px;margin:24px 0}.bgk-resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.bgk-resource-link{display:flex;align-items:center;justify-content:center;text-align:center;min-height:88px;text-decoration:none;border:1px dashed #22c55e;border-radius:18px;background:#f0fdf4;color:#166534;font-weight:800}.bgk-watermarked{position:relative}.bgk-watermarked:before{content:attr(data-watermark);position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-28deg);font-size:clamp(2rem,5vw,5rem);font-weight:900;color:rgba(15,23,42,.06);pointer-events:none;z-index:1;white-space:nowrap}.bgk-toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#0f172a;color:#fff;border-radius:999px;padding:12px 18px;z-index:99999;box-shadow:0 15px 40px rgba(0,0,0,.25)}@media(max-width:900px){.bgk-course-grid,.bgk-quiz-list,.bgk-flow{grid-template-columns:1fr 1fr}}@media(max-width:640px){.bgk-course-grid,.bgk-quiz-list,.bgk-flow{grid-template-columns:1fr}.bgk-lesson-row{grid-template-columns:auto 1fr}.bgk-lesson-row em{grid-column:2}.bgk-test-head{align-items:flex-start;flex-direction:column}}