.swp-step{background:var(--color-primary);color:var(--color-primary-content);border-radius:var(--r-pill);align-items:center;gap:10px;padding:6px 14px 6px 8px;font-size:13px;font-weight:800;display:inline-flex}.swp-step__num{width:24px;height:24px;font-family:var(--font-mono);background:#ffffff38;border-radius:50%;place-items:center;font-size:12px;display:grid}.swp-lesson{background:var(--swp-paper)}.swp-lesson__head{border-bottom:1px solid var(--swp-line);background:var(--swp-paper);max-width:1100px;margin:0 auto;padding:40px 24px 32px}.swp-lesson__head-meta{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.swp-lesson__head-info{font-family:var(--font-mono);color:var(--swp-ink-3);flex-wrap:wrap;gap:20px;font-size:12.5px;display:flex}.swp-lesson__head-info b{color:var(--swp-ink);font-family:var(--font-sans);font-weight:800}.swp-lesson__progress-strip{background:var(--swp-paper);border-bottom:1px solid var(--swp-line);max-width:1100px;margin:0 auto;padding:16px 24px;overflow-x:auto}.swp-lesson__prog-steps{align-items:center;gap:8px;display:flex}.swp-lesson__prog-step{color:var(--swp-ink-3);align-items:center;gap:8px;font-size:13px;font-weight:700;display:flex}.swp-lesson__prog-step.is-done{color:var(--color-primary)}.swp-lesson__prog-step.is-current{color:var(--swp-amber-600)}.swp-lesson__prog-dot{width:28px;height:28px;font-family:var(--font-mono);background:var(--swp-paper-2);border:1.5px solid var(--swp-line);color:var(--swp-ink-3);border-radius:50%;flex-shrink:0;place-items:center;font-size:11px;font-weight:800;display:grid}.swp-lesson__prog-step.is-done .swp-lesson__prog-dot{background:var(--color-primary);color:var(--color-primary-content);border-color:var(--color-primary)}.swp-lesson__prog-step.is-current .swp-lesson__prog-dot{background:var(--swp-amber-600);color:#fff;border-color:var(--swp-amber-600);box-shadow:0 0 0 4px var(--swp-amber-100)}.swp-lesson__prog-line{background:var(--swp-line);flex:1;min-width:20px;max-width:60px;height:2px}.swp-lesson__prog-line.is-done{background:var(--color-primary)}.swp-lesson__body{grid-template-columns:1fr;gap:0;max-width:1100px;margin:0 auto;display:grid}@media (width>=1024px){.swp-lesson__body{grid-template-columns:1fr 280px}}.swp-lesson__content{min-width:0;padding:48px 24px}@media (width>=1024px){.swp-lesson__content{border-right:1px solid var(--swp-line);padding:48px 60px}}.swp-lesson__aside{background:var(--swp-paper);padding:36px 28px;display:none}@media (width>=1024px){.swp-lesson__aside{display:block}}.swp-lesson__aside-section{margin-bottom:28px}.swp-lesson__aside-head{font-family:var(--font-mono);letter-spacing:.15em;text-transform:uppercase;color:var(--swp-ink-3);margin-bottom:12px;font-size:10.5px}.swp-lesson__toc{border-left:2px solid var(--swp-line);padding-left:14px;list-style:none}.swp-lesson__toc li{color:var(--swp-ink-2);padding:6px 0;font-size:13.5px}.swp-lesson__toc li.is-on{color:var(--color-primary);font-weight:700}.swp-lesson__pager{border-top:1px solid var(--swp-line);flex-direction:column;gap:24px;max-width:1100px;margin:0 auto;padding:40px 24px;display:flex}.swp-lesson__pager nav>a:only-child{margin-left:auto}.swp-toc-fab{display:none}@media (width<=1023px){.swp-toc-fab{background:var(--color-primary);width:44px;height:44px;color:var(--color-primary-content);cursor:pointer;z-index:50;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex;position:fixed;bottom:24px;left:24px;box-shadow:0 4px 12px #0003}}.swp-toc-mobile{background:var(--swp-paper);border-radius:var(--r-lg);z-index:50;width:280px;max-height:60vh;padding:16px;display:none;position:fixed;bottom:80px;left:24px;overflow-y:auto;box-shadow:0 8px 32px #00000026}.swp-toc-mobile.is-open{display:block}.swp-toc-mobile__head{justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:800;display:flex}.swp-toc-mobile__head button{cursor:pointer;background:0 0;border:none;font-size:18px}@media (width>=1024px){.swp-toc-mobile{display:none!important}}.swp-lesson__qa-related{background:var(--swp-teal-50);border-radius:var(--r-lg);max-width:1100px;margin:2rem auto;padding:1.5rem}.swp-lesson__qa-related h2{margin-bottom:1rem;font-size:1.1rem;font-weight:800}.swp-lesson__qa-list{padding:0;list-style:none}.swp-lesson__qa-list li{margin:.5rem 0}.swp-lesson__qa-link{color:var(--color-primary);text-decoration:none}.swp-lesson__qa-link:hover{text-decoration:underline}.swp-lesson__qa-more{font-size:.9rem}.swp-scroll-progress{z-index:9999;background:0 0;width:100%;height:3px;position:fixed;top:0;left:0}.swp-scroll-progress__bar{background:var(--color-primary);width:0%;height:100%;transition:width .1s linear}@media (prefers-reduced-motion:reduce){.swp-scroll-progress__bar{transition:none}}.swp-lesson__sticky-next{background:var(--color-primary);z-index:9998;text-align:center;width:100%;padding:12px 16px;transition:transform .3s;position:fixed;bottom:0;left:0;transform:translateY(100%)}.swp-lesson__sticky-next.is-visible{transform:translateY(0)}.swp-lesson__sticky-next-link{color:var(--color-primary-content);font-size:1rem;font-weight:700;text-decoration:none}@media (prefers-reduced-motion:reduce){.swp-lesson__sticky-next{transition:none}}.swp-feedback{text-align:center;border-top:1px solid var(--color-base-200);margin:2rem 0;padding:2rem 1rem}.swp-feedback__q{margin-bottom:.75rem;font-weight:700}.swp-feedback__btns{justify-content:center;gap:1rem;display:flex}.swp-feedback__btn{border-radius:var(--r-md);border:1px solid var(--color-base-300);background:var(--color-base-100);cursor:pointer;min-height:44px;padding:.5rem 1.25rem;font-size:.95rem;transition:background .15s}.swp-feedback__btn:hover{background:var(--color-base-200)}.swp-feedback__thanks{color:var(--color-primary);font-weight:700}