:root{--bg: #f4f6fa;--card: #ffffff;--ink: #1b2a41;--ink-2: #4a5a73;--muted: #6b7a90;--line: #e2e8f0;--navy: #1e3a5f;--navy-2: #16304f;--blue: #2f6fd6;--blue-soft: #e8f0fd;--green: #1f8a5b;--green-soft: #e5f5ec;--red: #c4423a;--red-soft: #fcebea;--amber: #b7791f;--amber-soft: #fdf3dc;--violet-soft: #eef0f6;--radius: 14px;--shadow: 0 1px 2px rgba(20, 35, 60, .05), 0 6px 20px rgba(20, 35, 60, .06)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;font-size:16px}h1,h2,h3{line-height:1.25;margin:0;color:var(--navy)}h1{font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.01em}h2{font-size:1.35rem;margin-bottom:14px}h3{font-size:1.1rem}p{margin:0 0 12px}a{color:var(--blue)}img{max-width:100%;display:block}button{font:inherit;cursor:pointer}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.muted{color:var(--muted)}.small{font-size:.875rem}.header{position:sticky;top:0;z-index:30;background:#fffffff0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:16px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);flex-shrink:0}.logo{width:36px;height:36px;border-radius:9px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.95rem}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text small{color:var(--muted);font-size:.72rem}.search{position:relative;flex:1;min-width:0;max-width:520px;margin-left:auto}.search input{width:100%;padding:9px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.92rem;background:var(--bg);color:var(--ink)}.search input:focus{outline:2px solid var(--blue);background:#fff}.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);max-height:70vh;overflow:auto}.search-results li.empty{padding:12px;color:var(--muted)}.search-results button{width:100%;text-align:left;background:none;border:0;padding:9px 10px;border-radius:8px;display:grid;gap:2px}.search-results button:hover,.search-results button:focus{background:var(--blue-soft);outline:none}.sr-kind{font-size:.72rem;color:var(--blue);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.sr-title{font-weight:600;color:var(--navy);font-size:.92rem}.sr-snippet{color:var(--muted);font-size:.82rem}.header-progress{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--navy);flex-shrink:0}.bar{width:90px;height:7px;border-radius:99px;background:var(--line);overflow:hidden}.bar i{display:block;height:100%;background:var(--blue);border-radius:99px;transition:width .4s}.bar.big{width:100%;height:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border-radius:10px;border:1px solid transparent;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;text-align:center}.btn.primary{background:var(--navy);color:#fff}.btn.primary:hover{background:var(--navy-2)}.btn.primary:disabled{background:#a9b6c8;cursor:not-allowed}.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}.btn.ghost:hover{border-color:var(--blue);color:var(--blue)}.btn.small{padding:7px 14px;font-size:.88rem}.btn.light{background:#ffffff1a;color:#fff;border-color:#ffffff4d}.btn.light:hover{background:#fff3;color:#fff;border-color:#fff}.link-btn{background:none;border:0;color:var(--blue);padding:4px 6px;font-size:.9rem}.link-btn:hover{text-decoration:underline}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.hero{background:linear-gradient(135deg,#fff,#eaf1fb);border-bottom:1px solid var(--line);padding:56px 0 48px}.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center}.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}.lead{font-size:1.15rem;color:var(--ink-2);margin:12px 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.hero-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;border:1px solid var(--line)}.stat-row{display:flex;gap:12px;margin-bottom:20px}.stat-row div{flex:1;background:var(--bg);border-radius:10px;padding:12px;display:flex;flex-direction:column}.stat-row b{font-size:1.7rem;color:var(--navy);line-height:1.1}.stat-row span{font-size:.8rem;color:var(--muted)}.progress-head{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.92rem}.progress-block small{display:block;margin-top:8px;color:var(--muted)}.note-small{margin:14px 0 0;font-size:.85rem;color:var(--muted)}.section{padding:44px 20px 8px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}.section-head h2{margin:0}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,border-color .15s}.card:hover{border-color:#b9cdee;transform:translateY(-2px)}.card.done{border-color:#b5dfc8}.card-main{text-align:left;background:none;border:0;padding:20px 20px 8px;color:inherit;display:block;width:100%}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:8px}.num{font-size:.78rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}.status{font-size:.75rem;padding:3px 10px;border-radius:99px;background:var(--violet-soft);color:var(--muted);font-weight:600;white-space:nowrap}.status.ok{background:var(--green-soft);color:var(--green)}.status.cur{background:var(--blue-soft);color:var(--blue)}.card h3{margin-bottom:8px}.card p{color:var(--ink-2);font-size:.93rem}.goal{font-size:.88rem;background:var(--bg);padding:10px 12px;border-radius:10px;color:var(--ink-2)}.ops{padding:6px 20px;font-size:.88rem;color:var(--ink-2)}.ops summary{cursor:pointer;color:var(--blue);font-weight:600}.ops ul{margin:8px 0 0;padding-left:18px}.card-foot{margin-top:auto;padding:12px 20px 18px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.82rem;color:var(--muted);flex-wrap:wrap}.info-panel{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px}.info-panel h2{color:#fff}.info-panel ol{padding-left:20px;margin:0 0 12px}.info-panel .muted{color:#b9c8df;margin:0}.module{padding-top:22px;padding-bottom:60px}.crumbs{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;gap:6px}.crumbs a{text-decoration:none;font-weight:600}.module-title{margin-bottom:22px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.chip{padding:4px 12px;background:#fff;border:1px solid var(--line);border-radius:99px;font-size:.82rem;color:var(--ink-2)}.chip.ok{background:var(--green-soft);color:var(--green);border-color:#b5dfc8;font-weight:600}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin-bottom:20px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px}.h3{margin:16px 0 6px;font-size:.95rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.list{margin:0;padding-left:20px}.list li{margin-bottom:4px}.list.check{list-style:none;padding:0}.list.check li{padding-left:26px;position:relative}.list.check li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}.video-wrap{background:#0f1b2d;border-radius:12px;overflow:hidden}.video-wrap video{width:100%;max-height:75vh;display:block;background:#0f1b2d}.video-wrap+p{margin:10px 0 0}.steps{display:grid;gap:14px}.step{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.step summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;gap:12px;align-items:baseline;background:var(--bg)}.step summary::-webkit-details-marker{display:none}.step summary:after{content:"▾";margin-left:auto;color:var(--muted);transition:transform .2s}.step:not([open]) summary:after{transform:rotate(-90deg)}.step-num{flex-shrink:0;font-size:.78rem;font-weight:700;color:#fff;background:var(--navy);border-radius:6px;padding:2px 9px;text-transform:uppercase;letter-spacing:.04em}.step-title{font-weight:600;color:var(--navy)}.step-body{padding:18px 18px 20px}.ui-refs{background:var(--blue-soft);border-radius:10px;padding:10px 14px;font-size:.9rem;margin-bottom:14px}.ui-refs ul{margin:4px 0 0;padding-left:18px}figure{margin:0 0 14px}.shot{position:relative;display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;cursor:zoom-in}.shot img{width:100%;height:auto}.zoom-hint{position:absolute;right:10px;bottom:10px;background:#14233cd9;color:#fff;font-size:.8rem;padding:4px 10px;border-radius:8px}figcaption{font-size:.85rem;color:var(--muted);margin-top:6px}.result{background:var(--green-soft);color:#14653f;border-radius:10px;padding:10px 14px;font-size:.93rem}.notes{display:grid;gap:12px}.note{border-left:4px solid;border-radius:10px;padding:12px 16px}.note b{display:block;margin-bottom:2px;font-size:.9rem}.note p{margin:0;color:var(--ink)}.note.important{background:var(--red-soft);border-color:var(--red)}.note.important b{color:var(--red)}.note.attention{background:var(--blue-soft);border-color:var(--blue)}.note.attention b{color:var(--blue)}.note.error{background:var(--red-soft);border-color:var(--red)}.note.error b{color:var(--red)}.note.tip{background:var(--green-soft);border-color:var(--green)}.note.tip b{color:var(--green)}.note.clarify{background:var(--amber-soft);border-color:var(--amber)}.note.clarify b{color:var(--amber)}.question{border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:14px}.question.right{border-color:#9bd3b5}.question.wrong{border-color:#eab0ab}.q-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:6px;font-size:.8rem}.q-num{font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.05em}.q-type{color:var(--muted)}.question h3{margin-bottom:12px}.options{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:8px}.option{width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;display:flex;gap:10px;align-items:center;color:var(--ink)}.option:hover:not(:disabled){border-color:var(--blue)}.option.selected{border-color:var(--blue);background:var(--blue-soft)}.option.correct{border-color:var(--green);background:var(--green-soft)}.option.incorrect{border-color:var(--red);background:var(--red-soft)}.option:disabled{cursor:default}.mark{flex:0 0 20px;height:20px;border:2px solid #b6c2d4;display:grid;place-items:center;font-size:.75rem;font-weight:700;color:var(--navy)}.mark.ci{border-radius:50%}.mark.sq{border-radius:5px}.order{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:12px}.order-col{display:grid;gap:8px;align-content:start}.order-col small{color:var(--muted)}.order-col ol{margin:0;padding-left:22px;display:grid;gap:6px}.order-col li{padding:8px 12px;background:var(--bg);border-radius:8px}.order-col li.correct{background:var(--green-soft)}.order-col li.incorrect{background:var(--red-soft)}.placeholder{border:1px dashed var(--line);border-radius:8px;padding:10px;color:var(--muted);font-size:.9rem}.feedback{margin-top:8px;border-radius:10px;padding:12px 16px}.feedback p{margin:6px 0 0}.feedback.ok{background:var(--green-soft);color:#14653f}.feedback.bad{background:var(--red-soft);color:#8a2a24}.quiz-total{display:flex;gap:14px;align-items:center;flex-wrap:wrap;background:var(--blue-soft);padding:14px 18px;border-radius:12px}.finish{text-align:center}.ok-text{color:var(--green);font-weight:600}.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:8px}.pager .btn{flex:1 1 220px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0a1220f0;display:flex;flex-direction:column}.lb-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;color:#fff;font-size:.9rem;flex-wrap:wrap}.lb-bar div{display:flex;gap:8px}.lb-scroll{flex:1;overflow:auto;display:grid;place-items:center;padding:8px}.lb-scroll img{max-width:100%;max-height:100%;cursor:zoom-in;border-radius:6px;background:#fff}.lb-scroll.full{place-items:start}.lb-scroll.full img{max-width:none;max-height:none;width:1600px;cursor:zoom-out}.footer{text-align:center;color:var(--muted);font-size:.82rem;padding:28px 20px 36px;border-top:1px solid var(--line)}@media (max-width: 860px){.hero-grid,.two-col,.order{grid-template-columns:1fr}.hero{padding:36px 0}.brand-text small{display:none}}@media (max-width: 640px){.header-inner{flex-wrap:wrap;gap:8px 12px}.search{order:3;flex-basis:100%;max-width:none;margin-left:0}.header-progress{margin-left:auto}.bar{width:60px}.panel{padding:18px 16px}.cards{grid-template-columns:1fr}.step-body{padding:14px}.step summary{flex-wrap:wrap}html{scroll-padding-top:120px}}@media (prefers-reduced-motion: reduce){*{transition:none!important;scroll-behavior:auto!important}}@media (max-width: 640px){.header .btn.ghost{display:none}.brand-text strong{font-size:.95rem}}
