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.2s;display:flex}.navbar__back-btn:hover{background:var(--surface-2);color:var(--primary);border-color:var(--primary-light);transform:translate(-2px)}.navbar__brand{flex-shrink:0;align-items:center;gap:8px;margin-right:4px;text-decoration:none;display:flex}.navbar__logo-img{object-fit:contain;flex-shrink:0;width:auto;display:block}.navbar__logo-itexpert{max-width:88px;height:13px}.navbar__logo-pc{max-width:86px;height:20px}.navbar__logo-divider{background:var(--border);flex-shrink:0;width:1px;height:18px}.navbar__back-placeholder{flex-shrink:0;width:32px;height:32px}.navbar__brand-text{font-family:var(--font-display);color:var(--primary);letter-spacing:.01em;font-size:15px;font-weight:600}.navbar__brand-accent{color:var(--accent)}.navbar__links{flex:1;align-items:center;gap:2px;list-style:none;display:flex}.navbar__link{color:var(--text-secondary);white-space:nowrap;letter-spacing:.01em;border-radius:8px;padding:5px 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var(--border);border-radius:var(--radius-sm);align-items:center;gap:1px;padding:3px;display:flex}.lang-btn{letter-spacing:.07em;color:var(--text-muted);cursor:pointer;text-align:center;background:0 0;border:none;border-radius:6px;padding:4px 9px;font-size:11px;font-weight:700;line-height:1;transition:all .15s}.lang-btn:hover{color:var(--primary)}.lang-btn--active{box-shadow:var(--shadow-sm);background:#fff;color:var(--primary)!important}.lang-divider{display:none}.navbar__hamburger{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;transition:background .15s;display:none}.navbar__hamburger:hover{background:var(--surface)}.navbar__hamburger span{background:var(--text-primary);border-radius:2px;width:18px;height:2px;display:block}.navbar__mobile-menu{top:var(--navbar-h,56px);background:var(--bg);border-bottom:1px solid 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.lf-input{padding-right:60px}.lf-eye{color:var(--primary);cursor:pointer;transition:color var(--transition);letter-spacing:.02em;font-size:12px;font-weight:600;position:absolute;top:50%;right:13px;transform:translateY(-50%)}.lf-eye:hover{color:var(--primary-light)}.lf-err-msg{color:var(--danger);font-size:12px}.lf-submit{background:var(--primary);color:#fff;border-radius:var(--radius-md);cursor:pointer;letter-spacing:.02em;border:none;justify-content:center;align-items:center;gap:8px;width:100%;min-height:50px;margin-top:4px;padding:14px;font-size:14px;font-weight:600;transition:background .2s,transform .2s,box-shadow .2s;display:flex}.lf-submit:hover:not(:disabled){background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.lf-submit:disabled{opacity:.45;cursor:not-allowed}.lf-arrow{font-size:16px;transition:transform .2s}.lf-submit:hover .lf-arrow{transform:translate(3px)}.lf-spinner{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}.login-form-footer{text-align:center;color:var(--text-muted);margin-top:24px;font-size:13px}.login-form-footer__link{color:var(--primary);transition:color var(--transition);font-weight:600}.login-form-footer__link:hover{color:var(--primary-light)}.login-demo-chip{color:var(--text-muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-md);justify-content:center;align-items:center;gap:8px;margin-top:16px;padding:9px 14px;font-size:12px;display:flex}.demo-label{letter-spacing:.08em;text-transform:uppercase;color:var(--primary-light);background:var(--primary-faint);border-radius:var(--radius-full);padding:2px 7px;font-size:10px;font-weight:700}@media (width<=768px){.login-page{flex-direction:column}.login-hero{min-height:auto;padding:48px 24px}.login-form-panel{border-left:none;border-top:1px solid var(--border);padding:40px 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#05966926}.pf-status--notstarted{color:var(--text-muted,#94a3b8)}.pf-status--notstarted:before{background:var(--text-muted,#94a3b8)}.pf-status--expired{color:#c2410c}.pf-status--expired:before{background:#c2410c}.pf-course-card:hover .pf-status{color:#ffffffbf}.pf-course-card:hover .pf-status:before{box-shadow:none;background:#ffffff8c}.pf-ring-block{align-items:center;gap:16px;display:flex;position:relative}.pf-ring{flex-shrink:0;width:78px;height:78px;position:relative}.pf-ring-pct{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.pf-ring-num{font-family:var(--font-display,"Raleway", sans-serif);letter-spacing:-.03em;color:var(--primary,#081a3a);font-size:22px;font-weight:800;line-height:1}.pf-ring-num--muted{color:var(--text-muted,#94a3b8);font-size:20px}.pf-course-card:hover 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