:root{--red:#8c1c24;--red-dark:#6f141b;--red-light:#f6e8e9;--ink:#16181d;--ink-soft:#3f434c;--muted:#5b6070;--line:#d9dde4;--bg:#ffffff;--bg-alt:#f1f3f6;--card:#ffffff;--green:#1e7a46;--green-light:#e4f3ea;--amber:#9a5b00;--amber-light:#fbefd9;--shadow:none;--radius:8px;--maxw:1280px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans),"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:var(--red)}h1,h2,h3,h4{font-family:var(--font-display),Georgia,serif;line-height:1.08;margin:0 0 .5em;letter-spacing:0;text-wrap:balance}h1,h2,h3,h4{font-weight:700}h1{font-size:clamp(2.5rem,5.8vw,4.4rem)}h2{font-size:clamp(1.7rem,3.3vw,2.4rem)}h3{font-size:1.2rem;font-family:var(--font-sans),sans-serif;font-weight:600}p{margin:0 0 1em}.lead{font-size:1.15rem;color:var(--ink-soft)}.muted{color:var(--muted)}.small{font-size:.9rem}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}section{padding:64px 0}section.alt{background:var(--bg-alt)}.section-head{max-width:720px;margin-bottom:36px}.short-answer{border-left:4px solid var(--red);background:var(--red-light);padding:12px 16px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 20px;max-width:720px}.eyebrow,.short-answer strong{color:var(--red)}.eyebrow{font-size:1rem;font-weight:500;margin-bottom:.4em}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{justify-content:space-between;height:68px;gap:16px}.brand,.nav{display:flex;align-items:center}.brand{gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.1rem}.brand img{width:40px;height:40px;border-radius:50%}.nav-links{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}.nav-links a{text-decoration:none;color:var(--ink-soft);padding:8px 12px;border-radius:8px;font-weight:500;font-size:.95rem}.nav-links a:hover,.nav-links a[aria-current=page]{background:var(--red-light);color:var(--red)}.nav-links a.btn-primary,.nav-links a.btn-primary:hover{background:var(--red);color:#fff}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;font:inherit}@media (max-width:860px){.nav-toggle{display:inline-flex}.nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;flex-direction:column;align-items:stretch;padding:10px 20px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem;transition:transform .08s,background .15s;font-family:inherit}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark)}.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn-secondary:hover{border-color:var(--ink-soft)}.btn-ghost{background:transparent;color:var(--red)}.btn-sm{padding:8px 14px;font-size:.9rem}.btn[disabled]{opacity:.5;cursor:not-allowed}.hero{padding:64px 0 56px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;grid-gap:48px;gap:48px;align-items:center}@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-note{margin-top:16px;font-size:.9rem;color:var(--muted)}.fact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.fact-card h3{margin-bottom:12px}.fact-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:.95rem}.fact-row:first-of-type{border-top:0}.fact-row strong{text-align:right}.grid{display:grid;grid-gap:20px;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.plain{border:0;border-top:2px solid var(--ink);border-radius:0;padding:14px 0 0}.plain .icon{display:none}.card .icon{width:44px;height:44px;border-radius:12px;background:var(--red-light);color:var(--red);display:grid;place-items:center;font-weight:800;margin-bottom:14px;font-size:1.1rem}.card ul{padding-left:18px;margin:0}.card li{margin-bottom:6px}.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700;background:var(--red-light);color:var(--red);letter-spacing:.03em}.tag.green{background:var(--green-light);color:var(--green)}.tag.amber{background:var(--amber-light);color:var(--amber)}.price-card{position:relative;display:flex;flex-direction:column}.price-card.featured{border-color:var(--red);box-shadow:0 0 0 3px var(--red-light)}.price-card .price{font-size:2.2rem;font-weight:800;margin:8px 0 2px}.price-card .price small{font-size:1rem;font-weight:500;color:var(--muted)}.price-card ul{list-style:none;padding:0;margin:16px 0 24px;flex:1 1}.price-card li{padding:6px 0 6px 26px;position:relative}.price-card li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}.price-card .badge{position:absolute;top:-12px;left:24px}.timeline{list-style:none;padding:0;margin:0;display:grid;grid-gap:0;gap:0;border-left:2px solid var(--line)}.timeline li{position:relative;padding:0 0 28px 28px}.timeline li:before{content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--red);border:3px solid #fff;box-shadow:0 0 0 2px var(--red)}.timeline time{display:block;font-weight:600;color:var(--red);font-size:.95rem}.steps{counter-reset:step;list-style:none;padding:0;margin:0;grid-gap:16px}.steps,.steps li{display:grid;gap:16px}.steps li{counter-increment:step;grid-template-columns:44px 1fr;grid-gap:16px;align-items:start}.steps li:before{content:counter(step);width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:800}details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:#fff;margin-bottom:10px}details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}details summary:after{content:"+";font-size:1.3rem;color:var(--red)}details[open] summary:after{content:"–"}details p{margin:10px 0 0;color:var(--ink-soft)}table{width:100%;border-collapse:collapse;font-size:.95rem}td,th{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--bg-alt);font-weight:700}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}form .field{margin-bottom:14px}label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}input[type=email],input[type=password],input[type=tel],input[type=text],select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}textarea{min-height:140px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 16px;gap:0 16px}@media (max-width:600px){.form-grid{grid-template-columns:1fr}}.notice{padding:14px 16px;border-radius:10px;background:var(--green-light);color:var(--green);border:1px solid #bfe3c8}.notice.warn{background:var(--amber-light);color:var(--amber);border-color:#f0d7a6}.notice.error,.notice.info{background:var(--red-light);color:var(--red-dark);border-color:#e8c9c9}.site-footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.9rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:32px;gap:32px}@media (max-width:700px){.footer-grid{grid-template-columns:1fr}}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:6px}.site-footer a{color:var(--ink-soft);text-decoration:none}.site-footer a:hover{text-decoration:underline}.quiz-shell{display:grid;grid-template-columns:1fr 280px;grid-gap:24px;gap:24px;align-items:start}@media (max-width:900px){.quiz-shell{grid-template-columns:1fr}}.quiz-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:16px;position:-webkit-sticky;position:sticky;top:76px;z-index:5}.timer{font-family:var(--font-mono),monospace;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:500;font-size:1.15rem}.timer.low{color:var(--red)}.task{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}.task .task-meta{display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap}.task .instr{color:var(--muted);font-size:.9rem;margin-bottom:10px}.task .text{font-size:1.02rem;line-height:1.75;background:var(--bg-alt);padding:16px 18px;border-radius:10px;margin-bottom:16px}.gap-select{display:inline-block;margin:0 2px;padding:2px 6px;border:1px solid var(--red);border-radius:6px;background:#fff;color:var(--red);font:inherit;font-weight:600;width:auto}.yesno-table td,.yesno-table th{padding:8px 10px}.yesno-table td:not(:first-child){text-align:center;width:80px}.yesno-table input{width:18px;height:18px;accent-color:var(--red)}.choices{list-style:none;padding:0;margin:0;display:grid;grid-gap:8px;gap:8px}.choices.figs{grid-template-columns:repeat(4,1fr)}@media (max-width:600px){.choices.figs{grid-template-columns:repeat(2,1fr)}}.choices label{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-weight:500;margin:0}.choices label:has(input:checked){border-color:var(--red);background:var(--red-light)}.choices input{accent-color:var(--red)}.choices.figs label{flex-direction:column;justify-content:center}.choices.figs svg{width:90px;height:90px}.numeric input{width:160px}.fig-stage{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.fig-stage svg{width:72px;height:72px;border:1px solid var(--line);border-radius:8px;background:#fff}.fig-stage .q{width:72px;height:72px;border:2px dashed var(--red);border-radius:8px;display:grid;place-items:center;color:var(--red);font-weight:800;font-size:1.6rem}.overview{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;position:-webkit-sticky;position:sticky;top:76px}.overview-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:6px;gap:6px;margin:10px 0 14px}.overview-grid button{padding:6px 0;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;font-weight:600;font-size:.85rem;font-family:inherit}.overview-grid button.done{background:var(--ink);color:#fff;border-color:var(--ink)}.overview-grid button.current{outline:2px solid var(--red)}.result-score{font-family:var(--font-mono),monospace;font-size:3rem;font-weight:500;line-height:1}.cat-bar{display:grid;grid-template-columns:200px 1fr 60px;grid-gap:12px;gap:12px;align-items:center;margin-bottom:10px}@media (max-width:600px){.cat-bar{grid-template-columns:1fr;gap:4px}}.cat-bar .bar{height:10px;background:var(--line);border-radius:999px;overflow:hidden}.cat-bar .bar span{display:block;height:100%;background:var(--red)}.correct{color:var(--green);font-weight:700}.wrong{color:var(--red);font-weight:700}.explain{margin-top:10px;padding:10px 12px;background:var(--bg-alt);border-radius:8px;font-size:.92rem}.quiz-setup label{font-weight:500;display:flex;gap:10px;align-items:center;margin-bottom:8px}.quiz-setup input[type=checkbox],.quiz-setup input[type=radio]{width:18px;height:18px;accent-color:var(--red)}.iv-shell{display:grid;grid-template-columns:1fr 320px;grid-gap:24px;gap:24px;align-items:start}@media (max-width:960px){.iv-shell{grid-template-columns:1fr}}.round{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}.round .question{font-size:1.08rem;font-weight:600;background:var(--bg-alt);padding:14px 16px;border-radius:10px;margin:10px 0 14px}.round textarea{min-height:220px}.counter{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);margin-top:6px}.counter .over{color:var(--red);font-weight:700}.checklist label{display:flex;gap:10px;align-items:flex-start;font-weight:500;margin-bottom:8px}.checklist input{width:18px;height:18px;accent-color:var(--red);margin-top:3px;flex:none}.sidebar-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}.sidebar-box h3{font-size:1rem;margin-bottom:10px}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.univers-shell{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 68px)}@media (max-width:860px){.univers-shell{grid-template-columns:1fr}}.univers-nav{border-right:1px solid var(--line);background:var(--bg-alt);padding:20px 14px}.univers-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--ink-soft);text-decoration:none;font-weight:500}.univers-nav a:hover,.univers-nav a[aria-current=page]{background:var(--red-light);color:var(--red)}.univers-main{padding:28px 24px;min-width:0}.watermark{position:fixed;inset:0;pointer-events:none;z-index:40;overflow:hidden;opacity:.035;-webkit-user-select:none;-moz-user-select:none;user-select:none}.watermark span{position:absolute;white-space:nowrap;font-size:12px;font-weight:500;transform:rotate(-24deg);color:var(--ink)}.no-copy{-moz-user-select:none;user-select:none;-webkit-user-select:none}.help{position:relative;display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--red-light);color:var(--red);font-size:.72rem;font-weight:700;cursor:help;vertical-align:middle;outline:none}.help:focus-visible{box-shadow:0 0 0 2px var(--red)}.help-bubble{display:none;bottom:calc(100% + 8px);width:min(320px,80vw);padding:10px 12px;background:var(--ink);color:#fff;border-radius:10px;font-size:.82rem;font-weight:400;line-height:1.45;text-align:left;z-index:50;box-shadow:0 8px 24px rgba(0,0,0,.18)}.help-bubble,.help-bubble:after{position:absolute;left:50%;transform:translateX(-50%)}.help-bubble:after{content:"";top:100%;border:7px solid transparent;border-top:7px solid var(--ink)}.help:focus-visible .help-bubble,.help:focus-within .help-bubble,.help:hover .help-bubble{display:block}.help-bubble.fixed{display:block;position:fixed;bottom:auto;width:min(340px,calc(100vw - 24px));pointer-events:none;z-index:80}.help-bubble.fixed:after{display:none}.hero-task{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.1);overflow:hidden}.hero-task-top{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:#f4f4f5;border-bottom:1px solid var(--line)}.hero-task-top strong{font-family:var(--font-display),sans-serif;font-size:1.1rem}.hero-task-top .timer{font-family:var(--font-mono),monospace;font-size:1.25rem;font-weight:500}.hero-task-top .timer.low{color:var(--red)}.hero-task-body{padding:16px 18px 6px}.hero-series{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 12px}.hero-series>span{display:inline-grid;place-items:center;width:56px;height:56px;border:1px solid var(--line);border-radius:8px;background:#fff}.hero-q{font-family:var(--font-display),sans-serif;font-weight:800;font-size:1.4rem;color:var(--red);border-style:dashed!important}.hero-question{font-weight:600;margin:6px 0 10px}.hero-options{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px}.hero-options.text{grid-template-columns:1fr}.hero-opt{display:grid;place-items:center;min-height:68px;padding:8px;background:#fff;border:2px solid var(--line);border-radius:10px;cursor:pointer;font:inherit;text-align:left}.hero-options.text .hero-opt{justify-items:start;min-height:0;padding:10px 12px}.hero-opt:hover:not([disabled]){border-color:var(--red)}.hero-opt.right{border-color:var(--green);background:var(--green-light)}.hero-opt.wrong{border-color:var(--red);background:var(--red-light)}.hero-opt[disabled]{cursor:default}.hero-result{margin-top:12px;padding:10px 12px;background:var(--bg-alt);border-radius:10px}.hero-task-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 18px;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line)}.stakes{background:var(--red-dark);color:#fff;padding:72px 0}.stakes h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.15;max-width:22ch;margin:0 0 20px}.stakes p{color:rgba(255,255,255,.86);font-size:1.15rem;max-width:60ch}.stakes .stakes-answer{font-family:var(--font-display),sans-serif;font-weight:800;font-size:1.6rem;color:#fff;margin-top:24px}.stakes .btn-primary{background:#fff;color:var(--red-dark);border-color:#fff}.stakes .btn-primary:hover{background:var(--red-light)}.stakes-grid{display:grid;grid-template-columns:1.1fr .9fr;grid-gap:48px;gap:48px;align-items:start}@media (max-width:900px){.stakes-grid{grid-template-columns:1fr;gap:28px}}.stakes-side .teaser{margin-bottom:18px}.stakes .terms-dialog h2{color:var(--ink);max-width:none;font-size:1.4rem}.stakes .terms-dialog p{color:var(--ink);font-size:1.05rem;max-width:none}.stakes .terms-dialog .story-sign{color:var(--muted)}.stakes .terms-dialog .btn-primary{background:var(--red);color:#fff;border-color:var(--red)}.stakes .terms-dialog .btn-secondary{color:var(--ink)}.stakes-side .teaser-bubble{box-shadow:0 18px 40px rgba(0,0,0,.25)}.stakes-side .teaser-q{color:var(--ink)}.stakes-side .bubble{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25)}.stakes-side .bubble:after{border-top-color:rgba(255,255,255,.12)}.stakes-side .bubble p{color:#fff}.btn-pulse{position:relative;animation:pulse-ring 2.2s ease-out infinite}@keyframes pulse-ring{0%{box-shadow:0 0 0 0 rgba(140,28,36,.55)}70%{box-shadow:0 0 0 14px rgba(140,28,36,0)}to{box-shadow:0 0 0 0 rgba(140,28,36,0)}}@media (prefers-reduced-motion:reduce){.btn-pulse{animation:none}}.threshold{display:grid;grid-template-columns:1fr 1fr;grid-gap:28px;gap:28px;align-items:start}@media (max-width:860px){.threshold{grid-template-columns:1fr}}.threshold-big{font-family:var(--font-display),sans-serif;font-weight:800;font-size:3.4rem;line-height:1;color:var(--red)}.threshold-row{display:grid;grid-template-columns:180px 1fr 48px;grid-gap:10px;gap:10px;align-items:center;margin:6px 0;font-size:.95rem}.threshold-row .bar{height:10px;background:var(--line);border-radius:999px;overflow:hidden}.threshold-row .bar span{display:block;height:100%;background:var(--red)}.numbers{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:18px;gap:18px}@media (max-width:860px){.numbers{grid-template-columns:repeat(2,1fr)}}.numbers div{border-top:3px solid var(--red);padding-top:10px}.numbers strong{display:block;font-family:var(--font-display),sans-serif;font-weight:800;font-size:2.2rem;line-height:1}.numbers span{color:var(--ink-soft);font-size:.95rem}.hero-kicker{color:var(--red);font-weight:600;margin:0 0 10px;font-size:1rem}.how{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}@media (max-width:900px){.how{grid-template-columns:1fr}}.how li{display:grid;grid-template-columns:44px 1fr;grid-gap:14px;gap:14px;align-items:start}.how-no{width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-family:var(--font-display),sans-serif;font-weight:800;font-size:1.2rem}.how h3{margin:6px 0}.how p{margin:0;color:var(--ink-soft)}.screens{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}@media (max-width:900px){.screens{grid-template-columns:1fr}}.screens figure{margin:0}.screens img{width:100%;height:auto;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.1)}.screens figcaption{font-size:.92rem;color:var(--ink-soft);margin-top:10px;line-height:1.5}.compare td:first-child,.compare th:first-child{width:150px;font-weight:600}.compare td:nth-child(2){background:#fff}.compare td:nth-child(3){color:var(--muted)}.notify-row{display:flex;gap:8px}.notify-row input{flex:1 1}@media (max-width:480px){.notify-row{flex-direction:column}}.review{margin:0}.review .stars{color:var(--amber);letter-spacing:2px;font-size:1.1rem}.review p{margin:8px 0}.teaser{display:grid;grid-template-columns:112px 1fr;grid-gap:16px;gap:16px;align-items:start}@media (max-width:480px){.teaser{grid-template-columns:80px 1fr}.teaser-avatar svg{width:80px;height:80px}}.stopur{overflow:visible}.stopur-hand{transform-origin:60px 66px;animation:stopur-tick 36s linear infinite}.stopur-eye{animation:stopur-blink 4.8s ease-in-out infinite;transform-box:fill-box;transform-origin:center}.stopur-body{transform-origin:60px 110px;animation:stopur-bob 3.2s ease-in-out infinite}@keyframes stopur-tick{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes stopur-blink{0%,92%,to{transform:scaleY(1)}95%{transform:scaleY(.1)}}@keyframes stopur-bob{0%,to{transform:rotate(-2deg)}50%{transform:rotate(2deg)}}@media (prefers-reduced-motion:reduce){.stopur-body,.stopur-eye,.stopur-hand{animation:none}}.teaser-bubble{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.teaser-bubble:before{content:"";position:absolute;left:-10px;top:24px;border:10px solid transparent;border-right-color:#fff;border-left:0}.teaser-q{font-family:var(--font-display),sans-serif;font-weight:700;font-size:1.15rem;line-height:1.35;margin:0 0 12px}.bubbles{display:grid;grid-gap:12px;gap:12px}.bubble{margin:0;background:var(--red-light);border-radius:16px;padding:14px 18px;position:relative}.bubble p{margin:0;font-size:1.02rem}.bubble:after{content:"";position:absolute;left:24px;bottom:-8px;border:8px solid transparent;border-top:8px solid var(--red-light);border-bottom:0}.story{max-width:680px}.story p{font-size:1.08rem;line-height:1.65}.story-sign{color:var(--muted);font-size:.95rem!important;margin-top:20px;padding-top:14px;border-top:1px solid var(--line)}.chat{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.chat-fab{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 16px 0 14px;border:0;border-radius:999px;background:var(--red);color:#fff;font:inherit;font-weight:700;font-size:1.1rem;cursor:pointer;box-shadow:0 10px 28px rgba(0,0,0,.22)}.chat-fab:hover{background:var(--red-dark)}.chat-fab-label{font-size:.98rem;font-weight:700}.chat-fab svg{flex:none}.chat-panel{width:min(380px,calc(100vw - 36px));height:min(560px,calc(100vh - 100px));display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden}.chat-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;padding:12px 14px;background:var(--red);color:#fff}.chat-x{background:none;border:0;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer;padding:0 4px}.chat-list{flex:1 1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:var(--bg-alt)}.chat-msg{max-width:88%;padding:9px 12px;border-radius:12px;font-size:.92rem;line-height:1.45;white-space:pre-wrap}.chat-msg.user{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:4px}.chat-msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}.chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}.chat-form input{flex:1 1}.chat-foot{margin:0;padding:0 12px 10px;font-size:.72rem;color:var(--muted)}.chat-row{display:flex;align-items:center;gap:10px}.try-bubble{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15;padding:8px 16px;border-radius:999px;background:#fff;color:var(--red);border:2px solid var(--red);text-decoration:none;box-shadow:0 10px 28px rgba(0,0,0,.18);white-space:nowrap}.try-bubble:hover{background:var(--red-light)}.try-bubble-big{font-weight:800;font-size:.98rem;font-family:var(--font-display),sans-serif}.try-bubble-small{font-size:.74rem;color:var(--ink-soft)}@media (max-width:480px){.try-bubble{padding:7px 12px}.try-bubble-big{font-size:.9rem}.try-bubble-small{font-size:.68rem}.chat-fab-label{display:none}.chat-fab{padding:0 14px}}@media print{.chat{display:none}}.linklike{background:none;border:0;padding:0;font:inherit;color:var(--red);text-decoration:underline;cursor:pointer}.terms-dialog{width:min(760px,94vw);max-height:88vh;padding:0;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.terms-dialog::-webkit-backdrop{background:rgba(20,22,28,.55)}.terms-dialog::backdrop{background:rgba(20,22,28,.55)}.terms-dialog-foot,.terms-dialog-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 18px;border-bottom:1px solid var(--line)}.terms-dialog-foot{border-bottom:0;border-top:1px solid var(--line);justify-content:flex-start}.terms-dialog-body{max-height:calc(88vh - 120px);overflow:auto;padding:4px 18px 12px;font-size:.92rem}.terms.compact h3{font-size:1rem;margin:16px 0 4px}.terms.compact .lead{font-size:1rem}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.center{text-align:center}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:40px}.mb-0{margin-bottom:0}.exam{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;font-size:.95rem}.exam-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--bg-alt)}.exam-top strong{font-family:var(--font-display),sans-serif;font-weight:700}.exam-body{padding:16px}.exam-q{font-size:.95rem;line-height:1.6;margin-bottom:14px}.exam-q .gap{display:inline-block;border:1px solid var(--red);color:var(--red);border-radius:4px;padding:0 6px;font-weight:600;margin:0 2px}.exam-grid{display:grid;grid-template-columns:repeat(11,1fr);grid-gap:5px;gap:5px}.exam-grid span{aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--line);border-radius:4px;font-size:.78rem;font-family:var(--font-mono),monospace;color:var(--ink-soft);transition:background .25s,color .25s}.exam-grid span.done{background:var(--ink);color:#fff;border-color:var(--ink)}.exam-grid span.cur{outline:2px solid var(--red);outline-offset:-1px;color:var(--red);font-weight:500}.exam-foot{display:flex;justify-content:space-between;padding:10px 16px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}@media (prefers-reduced-motion:reduce){.exam-grid span{transition:none}}.months{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:0;gap:0;border-top:2px solid var(--ink)}.months>div{padding:18px 20px 8px 0;border-right:1px solid var(--line);min-width:0}.months>div:last-child{border-right:0}.months>div+div{padding-left:20px}.months .mo{font-family:var(--font-display),sans-serif;font-size:1.5rem;font-weight:700;color:var(--red);margin-bottom:6px}.months p{font-size:.95rem;color:var(--ink-soft)}@media (max-width:760px){.months{grid-template-columns:1fr}.months>div{border-right:0;border-bottom:1px solid var(--line);padding:14px 0}.months>div+div{padding-left:0}}.defs{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 48px;gap:0 48px}@media (max-width:760px){.defs{grid-template-columns:1fr}}.defs div{padding:16px 0;border-top:1px solid var(--line)}.defs dt{font-weight:600;display:flex;justify-content:space-between;gap:12px}.defs dt span{font-family:var(--font-mono),monospace;color:var(--muted);font-weight:500;font-size:.85rem}.defs dd{margin:4px 0 0;color:var(--ink-soft);font-size:.95rem}.byline{display:flex;gap:16px;align-items:center}.byline img{width:56px;height:56px;border-radius:50%}:focus-visible{outline:2px solid var(--red);outline-offset:2px}.itx-wrap{min-height:100vh;background:#efefef}.itx-top{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid #d0d0d0;padding:12px 24px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.itx-top strong{font-family:var(--font-display),sans-serif;font-size:1.3rem;font-weight:700}.itx-top-right{display:flex;gap:24px;align-items:center}.itx-main{max-width:1100px;margin:0 auto;padding:20px 24px 60px}.itx-side{font-size:1.2rem;margin:6px 0 10px}.itx-box{background:#fff;border:1px solid #d8d8d8;padding:24px 28px;min-height:260px}.itx-instr{color:var(--muted);font-size:.85rem;margin-bottom:2px}.itx-kind{font-size:.9rem;margin-bottom:14px}.itx-text{font-size:1.02rem;line-height:1.8;margin-bottom:16px}.itx-nav{display:flex;justify-content:space-between;margin:14px 0 24px}.itx-btn{font:inherit;font-weight:600;padding:10px 22px;background:#fff;border:1px solid #b9b9b9;border-radius:3px;cursor:pointer}.itx-btn:hover{border-color:var(--ink)}.itx-btn[disabled]{opacity:.45;cursor:not-allowed}.itx-btn.primary{background:var(--red);color:#fff;border-color:var(--red)}.itx-btn.primary:hover{background:var(--red-dark)}.itx-btn.small{padding:6px 14px;font-size:.9rem}.itx-overview{background:#fff;border:1px solid #d8d8d8;padding:16px 20px;max-width:560px}.itx-grid{display:grid;grid-template-columns:repeat(9,1fr);grid-gap:5px;gap:5px;margin:10px 0 12px}@media (max-width:480px){.itx-grid{grid-template-columns:repeat(6,1fr)}}.itx-grid button{font:inherit;font-family:var(--font-mono),monospace;font-size:.9rem;padding:7px 0;border:1px solid #c8c8c8;background:#fff;cursor:pointer;border-radius:2px}.itx-grid button.done{background:#1d1d1f;color:#fff;border-color:#1d1d1f}.itx-grid button.part{background:#ddd}.itx-grid button.cur{outline:2px solid var(--red);outline-offset:-1px;font-weight:600}.itx-grid button{position:relative}.itx-grid button.flag:after{content:"";position:absolute;top:0;right:0;border-left:7px solid transparent;border-bottom:7px solid transparent;border-top:7px solid transparent;border-top-color:var(--amber);border-right:7px solid transparent;border-right-color:var(--amber)}.itx-sidebar-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.itx-flag{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:.9rem;font-weight:600;padding:7px 12px;background:#fff;border:1px solid #b9b9b9;border-radius:3px;cursor:pointer}.itx-flag.on{background:var(--amber-light);border-color:var(--amber);color:var(--amber)}.itx-flag-icon{width:12px;height:14px;background:currentColor;-webkit-clip-path:polygon(0 0,100% 0,100% 100%,50% 70%,0 100%);clip-path:polygon(0 0,100% 0,100% 100%,50% 70%,0 100%);opacity:.8}.itx-overview-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.9rem;color:var(--muted)}.itx-modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;z-index:60;padding:20px}.itx-modal-box{background:#fff;padding:24px 28px;max-width:480px;border-radius:6px}@media (max-width:600px){.itx-top{padding:10px 12px;gap:10px}.itx-top strong{font-size:1.05rem;white-space:nowrap}.itx-top-right{gap:10px;flex-wrap:wrap;justify-content:flex-end}.itx-top .timer{white-space:nowrap;font-size:.92rem}.itx-main{padding:12px 12px 60px}.itx-side{font-size:1.05rem}.itx-box{padding:16px 14px}.itx-overview{padding:12px 14px}.itx-overview-foot{flex-wrap:wrap}}.itx-answer{width:100%;min-height:360px;font:inherit;font-size:1.02rem;line-height:1.7;padding:14px 16px;border:1px solid #c8c8c8;border-radius:2px;resize:vertical;background:#fff}.itx-answer:focus{outline:2px solid var(--red)}