.ht-page{--ht-ink:#0f0f30;--ht-muted:#6b7280;--ht-line:#e8eaef;--ht-blue:#1a6eff;--ht-script:#1a6eff;min-height:100dvh;color:var(--ht-ink);font-family:var(--font-quo,Inter, system-ui, sans-serif);background:#fff}.ht-top{border-bottom:1px solid var(--ht-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2;background:#ffffffeb;justify-content:space-between;align-items:center;gap:16px;padding:14px 28px;display:flex;position:sticky;top:0}.ht-top a{color:var(--ht-muted);font-size:13px;text-decoration:none}.ht-top a:hover{color:var(--ht-ink)}.ht-top-brand{color:var(--ht-ink);align-items:center;gap:10px;font-size:14px;font-weight:650;text-decoration:none;display:flex}.ht-top-brand img{width:28px;height:28px}.ht-body{max-width:720px;margin:0 auto;padding:40px 24px 80px}.ht-body[data-wide=true]{max-width:880px}.ht-hero h1{letter-spacing:-.03em;margin:0 0 8px;font-size:clamp(28px,4vw,40px);font-weight:750;line-height:1.1}.ht-hero p{color:var(--ht-muted);max-width:42rem;margin:0 0 28px;font-size:15px;line-height:1.5}.ht-list{flex-direction:column;gap:0;margin:0;padding:0;list-style:none;display:flex}.ht-list li{border-top:1px solid var(--ht-line)}.ht-list li:last-child{border-bottom:1px solid var(--ht-line)}.ht-list a,.ht-course-card{color:inherit;padding:18px 4px;text-decoration:none;display:block}.ht-list a:hover,.ht-course-card:hover{background:#fafbfc}.ht-list-meta{letter-spacing:.02em;text-transform:uppercase;color:var(--ht-muted);flex-wrap:wrap;gap:8px 14px;margin-bottom:4px;font-size:11.5px;font-weight:600;display:flex}.ht-list-title{letter-spacing:-.015em;margin:0 0 4px;font-size:17px;font-weight:650}.ht-list-desc{color:var(--ht-muted);margin:0;font-size:13.5px;line-height:1.45}.ht-back{color:var(--ht-blue);margin-bottom:18px;font-size:13px;font-weight:600;text-decoration:none;display:inline-block}.ht-article-meta{color:var(--ht-muted);margin:0 0 24px;font-size:12.5px}.ht-steps{counter-reset:ht-step;flex-direction:column;gap:18px;margin:0;padding:0;list-style:none;display:flex}.ht-steps li{counter-increment:ht-step;grid-template-columns:28px 1fr;gap:12px;font-size:14.5px;line-height:1.55;display:grid}.ht-steps li:before{content:counter(ht-step);width:28px;height:28px;color:var(--ht-blue);background:#eef3ff;border-radius:999px;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.ht-course-grid{flex-direction:column;gap:16px;display:flex}.ht-course-card{border:1px solid var(--ht-line);cursor:pointer;text-align:left;width:100%;font:inherit;background:#fff;border-radius:12px;padding:18px 20px}.ht-course-niche{letter-spacing:.04em;text-transform:uppercase;color:var(--ht-muted);margin-bottom:4px;font-size:11px;font-weight:700}.ht-progress{background:#eef0f3;border-radius:999px;height:3px;margin-top:10px;overflow:hidden}.ht-progress>span{background:var(--ht-blue);border-radius:999px;height:100%;display:block}.ht-lesson-nav{flex-wrap:wrap;gap:8px;margin:0 0 24px;padding:0;list-style:none;display:flex}.ht-lesson-nav button{border:1px solid var(--ht-line);font:inherit;cursor:pointer;color:var(--ht-ink);background:#fff;border-radius:999px;padding:6px 12px;font-size:12.5px}.ht-lesson-nav button[data-active=true]{border-color:var(--ht-blue);color:var(--ht-blue);background:#eef3ff;font-weight:600}.ht-lesson-nav button[data-done=true]:after{content:" ✓";color:#0f7a3f}.ht-paras{flex-direction:column;gap:14px;display:flex}.ht-paras p{margin:0;font-size:15px;line-height:1.6}.ht-script{border-left:3px solid var(--ht-script);color:var(--ht-ink);background:#f4f7ff;border-radius:0 8px 8px 0;margin:0;padding:12px 14px;font-size:14.5px;line-height:1.55}.ht-lesson-actions{border-top:1px solid var(--ht-line);flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:20px;display:flex}.ht-lesson-actions button{border:1px solid var(--ht-line);font:inherit;cursor:pointer;background:#fff;border-radius:8px;padding:9px 14px;font-size:13px}.ht-lesson-actions button[data-primary=true]{background:var(--ht-blue);border-color:var(--ht-blue);color:#fff;font-weight:600}@media (max-width:640px){.ht-top{padding:12px 16px}.ht-body{padding:28px 16px 64px}}