:root{
  --hub-bg:#f5f5f5;
  --hub-paper:#ffffff;
  --hub-paper-soft:#faf7f2;
  --hub-paper-tint:#f4efe8;
  --hub-stroke:#e3d9cd;
  --hub-stroke-strong:#d7cabc;
  --hub-ink:#171210;
  --hub-muted:#6d655d;
  --hub-faint:#8b837a;
  --hub-dark:#000000;
  --hub-accent:#c52128;
  --hub-accent-soft:#f5e6e4;
  --hub-radius-xl:30px;
  --hub-radius-lg:24px;
  --hub-radius-md:18px;
  --hub-shadow:0 24px 60px rgba(23,18,16,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--hub-bg);color:var(--hub-ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
a{color:inherit}
a.editorial-link{color:var(--hub-accent);font-weight:800;text-decoration-thickness:1px;text-underline-offset:3px}
.skip-link{position:absolute;left:-999px;top:12px;z-index:2000;background:#fff;color:#000;padding:10px 14px;border-radius:999px;border:1px solid var(--hub-stroke)}
.skip-link:focus{left:12px}
.hub-main{width:min(1460px,calc(100vw - 44px));margin:0 auto;padding:34px 0 54px}
.hub-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);gap:22px;align-items:stretch;margin-bottom:22px}
.hero-panel,.side-panel,.hub-section{background:var(--hub-paper);border:1px solid var(--hub-stroke);border-radius:var(--hub-radius-xl);box-shadow:var(--hub-shadow)}
.hero-panel{padding:34px;min-height:420px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(135deg,#fff 0%,#fff 52%,var(--hub-paper-soft) 100%)}
.eyebrow{display:inline-flex;align-items:center;width:max-content;padding:8px 12px;border-radius:999px;background:var(--hub-accent-soft);color:var(--hub-accent);font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em}
.breadcrumbs{margin:18px 0 14px;color:var(--hub-muted);font-size:.93rem}
.breadcrumbs a{font-weight:800;text-decoration:none}
h1{max-width:980px;margin:0;font-size:clamp(2.1rem,5vw,4.8rem);line-height:.96;letter-spacing:-.07em}
.lead{max-width:920px;margin:20px 0 0;color:var(--hub-muted);font-size:clamp(1.02rem,1.5vw,1.24rem)}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--hub-stroke-strong);text-decoration:none;font-weight:800;background:#fff;color:var(--hub-ink)}
.btn-primary{background:var(--hub-dark);color:#fff;border-color:var(--hub-dark)}
.side-panel{padding:22px;background:var(--hub-dark);color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:18px}
.side-panel p{margin:0;color:rgba(255,255,255,.72)}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.11);border-radius:18px;padding:14px}
.stat strong{display:block;font-size:1.65rem;line-height:1;color:#fff}
.stat span{display:block;margin-top:6px;color:rgba(255,255,255,.68);font-size:.86rem}
.quick-links{display:flex;gap:8px;flex-wrap:wrap}
.quick-links a{padding:9px 11px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;text-decoration:none;font-weight:800;font-size:.88rem}
.hub-section{padding:28px;margin:22px 0}
.hub-section.soft{background:var(--hub-paper-soft)}
.section-heading{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:18px}
.section-heading h2{margin:0;font-size:clamp(1.7rem,3vw,3rem);line-height:1;letter-spacing:-.055em}
.section-heading p{margin:0;max-width:760px;color:var(--hub-muted)}
.answer{border-left:5px solid var(--hub-accent);background:#fff;border-top:1px solid var(--hub-stroke);border-right:1px solid var(--hub-stroke);border-bottom:1px solid var(--hub-stroke);border-radius:20px;padding:18px 20px;color:var(--hub-muted)}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}
.info-card{background:#fff;border:1px solid var(--hub-stroke);border-radius:20px;padding:18px}
.info-card strong{display:block;margin-bottom:7px}
.info-card p{margin:0;color:var(--hub-muted)}
.notice{padding:18px 20px;border:1px solid #e7c7c3;background:#fff7f4;border-radius:20px;color:var(--hub-muted);margin-top:16px}
.notice strong{color:var(--hub-ink)}
.alpha-index{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:4px 0 24px;padding:12px;background:var(--hub-paper-soft);border:1px solid var(--hub-stroke);border-radius:20px}
.alpha-index span{font-weight:900;color:var(--hub-muted);margin-right:4px}
.alpha-index a{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:34px;padding:0 10px;border-radius:999px;background:#fff;border:1px solid var(--hub-stroke);text-decoration:none;font-weight:900;color:var(--hub-ink)}
.alpha-index a:hover,.alpha-index a:focus-visible{border-color:var(--hub-accent);color:var(--hub-accent);outline:none}
.letter-block + .letter-block{margin-top:28px}
.letter-title{display:flex;align-items:baseline;gap:12px;margin:0 0 12px;padding-top:4px;border-top:1px solid var(--hub-stroke);font-size:1rem;color:var(--hub-muted)}
.letter-title span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;min-height:42px;border-radius:14px;background:var(--hub-dark);color:#fff;font-size:1.2rem;font-weight:900;letter-spacing:-.04em}
.letter-title small{font-size:.9rem;color:var(--hub-faint);font-weight:800}
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.rule-card{min-height:100%}
.rule-card a{display:flex;flex-direction:column;min-height:100%;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--hub-stroke);text-decoration:none;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.rule-card a:hover,.rule-card a:focus-visible{transform:translateY(-2px);border-color:var(--hub-accent);box-shadow:0 14px 30px rgba(23,18,16,.08);outline:none}
.item-name{margin:0;font-size:clamp(1.34rem,1.8vw,1.9rem);line-height:.98;letter-spacing:-.055em;font-weight:900;color:var(--hub-ink)}
.item-focus{display:block;margin-top:10px;color:var(--hub-accent);font-size:.98rem;line-height:1.28;font-weight:900}
.rule-card p{margin:14px 0 0;color:var(--hub-muted);font-size:.94rem;flex:1}
.method-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none}
.method-list li{background:#fff;border:1px solid var(--hub-stroke);border-radius:20px;padding:18px;color:var(--hub-muted)}
.method-list strong{display:block;color:var(--hub-ink);margin-bottom:6px}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.related a{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border:1px solid var(--hub-stroke);border-radius:999px;background:#fff;text-decoration:none;font-weight:800;color:var(--hub-muted)}
details{background:#fff;border:1px solid var(--hub-stroke);border-radius:18px;padding:16px 18px}
details+details{margin-top:10px}
summary{cursor:pointer;font-weight:900}
details p{margin:10px 0 0;color:var(--hub-muted)}
.updated{margin-top:16px;color:var(--hub-faint);font-size:.9rem}
@media(max-width:1060px){.hub-hero{grid-template-columns:1fr}.rule-grid,.info-grid,.method-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.hub-main{width:min(100vw - 24px,100%);padding-top:22px}.hero-panel,.hub-section,.side-panel{border-radius:22px;padding:20px}.rule-grid,.info-grid,.method-list{grid-template-columns:1fr}.section-heading{display:block}.section-heading p{margin-top:10px}h1{letter-spacing:-.05em}.item-name{font-size:1.55rem}.alpha-index a{min-width:34px}}/* Lisibilité V7 */
h1,.item-name{overflow-wrap:anywhere;hyphens:auto}