.livre-vol{--w:300px;display:block;width:var(--w);max-width:100%;height:auto;margin:0 auto}.lv-hero{padding-bottom:0}.lv-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:40px;align-items:center}.lv-hero h1{margin-top:4px}.lv-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.lv-stack{position:relative;height:520px}.lv-stack .k1,.lv-stack .k2{position:absolute}.lv-stack .k1{left:10px;top:70px;z-index:2}.lv-stack .k2{right:0;top:0}.lv-stack .k1 .livre-vol{--w:280px}.lv-stack .k2 .livre-vol{--w:250px}.lv-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:40px 0 0;padding:0;list-style:none}.lv-facts li{padding:22px 20px;border-left:1px solid var(--line)}.lv-facts li:first-child{border-left:0;padding-left:0}.lv-facts b{display:block;font-family:var(--serif);font-style:italic;font-weight:500;font-size:30px;line-height:1.1;color:var(--blue-deep)}.lv-card p,.lv-facts span{font-size:15px;color:var(--ink-2)}.lv-sec{padding:76px 0}.lv-cream{background:var(--cream-2)}.lv-chips li,.lv-sky,.lv-tabs [role=tab]:hover{background:var(--sky-pale)}.lv-sec .section-title{margin:0}.lv-why .section-title{margin-top:0}.lv-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px}.lv-card{padding:24px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}.lv-card .ic-bubble{width:44px;height:44px;display:grid;place-items:center;margin-bottom:14px}.lv-card h3,.lv-cols h3{font-size:20px;line-height:1.2;margin:0}.lv-card p{font-size:15.5px;line-height:1.6;margin:8px 0 0}.lv-book{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:48px;align-items:center}.lv-book h2{font-size:clamp(28px,3.2vw,40px);line-height:1.1;margin:0}.lv-book h2 a{color:inherit;text-decoration:none}.lv-book h2 a:hover{text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:5px}.lv-prom{font-family:var(--serif);font-style:italic;font-size:21px;line-height:1.35;color:var(--ink-2);margin:12px 0 0}.lv-chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}.lv-chips li{font-size:14px;font-weight:600;color:var(--blue-deep);border-radius:999px;padding:7px 14px}.lv-cream .lv-chips li{background:#fff}.lv-pub{font-size:15px;color:var(--ink-3);margin:14px 0 0}.lv-pub b{color:var(--ink);font-weight:600}.lv-buy,.lv-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:26px}.lv-cols h3{margin:0 0 14px}.lv-cols .checks li{font-size:15.5px}.lv-buy{gap:14px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.lv-fmt,.lv-viewer{display:flex;flex-direction:column}.lv-fmt{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;align-items:flex-start;gap:12px}.lv-fmt small{display:block;font-size:14px;color:var(--ink-3)}.lv-fmt .todo{display:inline-block;margin-top:4px;font:500 22px/1.25 var(--serif);padding:0 6px;border-radius:5px}.lv-fmt .btn{min-height:48px;padding:0 20px;font-size:15.5px}.lv-viewer{align-items:center;min-width:0}.lv-tabs{order:2;display:flex;gap:4px;margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px;max-width:100%}.lv-tabs [role=tab]{min-height:44px;padding:0 16px;border:0;border-radius:999px;background:0 0;color:var(--ink-2);font:600 14.5px/1.2 var(--sans);cursor:pointer;white-space:nowrap}.lv-tabs [role=tab]:hover{color:var(--blue)}.lv-tabs [role=tab][aria-selected=true]{background:var(--blue);color:#fff}.lv-panels{order:1;min-height:520px}.lv-panel,.lv-panels{width:100%;display:flex;align-items:center;justify-content:center}.lv-panel[hidden]{display:none}.lv-panel:focus-visible{outline:3px solid var(--blue);outline-offset:4px;border-radius:12px}.lv-panel .livre-vol{--w:290px}.lv-back,.lv-toc{border-radius:8px;box-shadow:0 24px 44px -24px rgba(30,42,68,.55)}.lv-back{display:block;width:auto;max-width:100%;max-height:480px}.lv-toc{width:100%;max-width:380px;background:var(--cream);border-top:5px solid var(--blue);padding:20px 22px 22px;text-align:left}.lv-toc-k{margin:0;font:700 11.5px/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}.lv-toc-t{margin:4px 0 2px;font:500 17px/1.2 var(--serif);color:var(--ink)}.lv-toc-p{margin:8px 0 0;padding-top:7px;border-top:1px solid var(--line);font:700 12.5px/1.3 var(--sans);color:var(--blue-deep)}.lv-toc ul{list-style:none;margin:0;padding:0}.lv-toc li{margin-top:3px;font-size:12.5px;line-height:1.35;color:var(--ink-2)}.lv-toc.tight .lv-toc-p{margin-top:6px;padding-top:5px}.lv-toc.tight li{margin-top:2px;font-size:12px;line-height:1.3}.lv-guide{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;align-items:center;background:var(--blue-deep);border-radius:32px;padding:44px 52px;color:#fff}.lv-guide .livre-vol{--w:340px}.lv-guide .eyebrow,.lv-guide h2 .it{color:var(--sky)}.lv-guide h2{color:#fff;font-size:clamp(28px,3.2vw,40px);line-height:1.1;margin:0}.lv-guide p{color:#dce9f7;margin:14px 0 0;max-width:560px;font-size:16.5px;line-height:1.6}.lv-guide .lv-tag{display:block;margin-top:16px;font-size:15px;font-weight:600;color:var(--sky)}.lv-guide .btn{margin-top:24px;background:#fff;color:var(--blue-deep);border-color:#fff;box-shadow:none}.lv-guide .btn:hover{background:var(--sky-pale)}.lv-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.lv-two .lv-card{padding:30px}.lv-auth{grid-template-columns:120px minmax(0,1fr);gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px 32px;margin-top:20px}.lv-auth img{width:120px;height:120px;border-radius:50%;object-fit:cover;object-position:center 18%}.lv-auth h3{font-size:20px;line-height:1.25;margin:0}.lv-auth p{color:var(--ink-2);margin:8px 0 0;font-size:16px;line-height:1.6}.lv-auth .link-u{margin-top:4px}.lv-auth,.lv-detail .eb-head{display:grid;align-items:center}.lv-detail .eb-head{grid-template-columns:minmax(0,380px) minmax(0,1fr);column-gap:48px;margin-top:12px}.lv-detail .eb-head>*{grid-column:auto;grid-row:auto}.lv-detail .eb-head h1{margin:4px 0 0;font-size:clamp(32px,3.6vw,46px)}.lv-detail .eb-by{margin:12px 0 0;font-size:15.5px;color:var(--ink-2)}.lv-detail .eb-by a{color:var(--blue)}.lv-detail .eb-author p,.lv-detail .eb-section{max-width:none}.lv-detail .eb-section .section-title{margin:0 0 18px}.lv-detail .eb-other .livre-vol{--w:52px;flex:0 0 auto;margin:0 4px 0 6px}@media (max-width:1000px){.lv-auth,.lv-book,.lv-cards,.lv-cols,.lv-detail .eb-head,.lv-guide,.lv-hero-grid{grid-template-columns:minmax(0,1fr)}.lv-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.lv-facts li:nth-child(3){border-left:0;padding-left:0}.lv-facts li:nth-child(n+3){border-top:1px solid var(--line)}.lv-sec{padding:52px 0}.lv-stack{height:430px;max-width:420px;width:100%;margin:0 auto}.lv-stack .k1 .livre-vol{--w:230px}.lv-stack .k2 .livre-vol{--w:205px}.lv-stack .k1{left:0;top:60px}.lv-guide{padding:32px 24px;gap:28px}.lv-detail .eb-head{row-gap:24px}}@media (max-width:760px){.lv-buy,.lv-two{grid-template-columns:minmax(0,1fr)}.lv-cta .btn{flex:1 1 100%}.lv-facts b{font-size:24px}.lv-facts li{padding:16px 12px}.lv-facts span{font-size:14px}.lv-prom{font-size:18px}.lv-fmt .btn{width:100%}.lv-auth,.lv-two .lv-card{padding:22px}.lv-auth{gap:16px}}@media (max-width:520px){.lv-stack{height:clamp(280px,84vw,400px)}.lv-stack .k1 .livre-vol{--w:min(54vw,230px)}.lv-stack .k2 .livre-vol{--w:min(48vw,205px)}.lv-stack .k1{top:13%}.lv-panels{min-height:0}.lv-panel .livre-vol{--w:min(62vw,290px)}.lv-back{max-height:none;width:min(80vw,340px)}.lv-tabs{width:100%}.lv-tabs [role=tab]{flex:1 1 auto;padding:0 8px;font-size:14px;min-height:48px}.lv-toc,.lv-toc.tight{padding:18px 16px}.lv-toc li,.lv-toc.tight li{font-size:14px;line-height:1.4;margin-top:4px}.lv-toc-p,.lv-toc.tight .lv-toc-p{font-size:14px}.lv-guide .livre-vol{--w:75vw}.lv-guide{padding:28px 20px}}.lv-bientot{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.lv-bientot-t{margin:0;font-weight:600}