/* Self-Shao · Méthode Shao — éléments de marque communs (2026-10-12)
   Liseré tricolore premium au-dessus des bas de page. */
.ss-lis{position:relative;display:block;width:100%;height:2px;margin:0;padding:0;border:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(36,80,166,0) 0%,#2450A6 14%,#2450A6 37.6%,#F4F0E6 37.6%,#F4F0E6 62.4%,#D21F26 62.4%,#D21F26 86%,rgba(210,31,38,0) 100%)}
.ss-lis::before{content:"";position:absolute;left:12%;right:12%;top:-5px;bottom:-5px;background:inherit;filter:blur(9px);opacity:.42}
.ss-lis::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.85),transparent) no-repeat;
  background-size:18% 100%;background-position:-20% 0;animation:ssLis 7s ease-in-out 1.5s infinite;mix-blend-mode:overlay}
@keyframes ssLis{0%{background-position:-20% 0}38%,100%{background-position:120% 0}}
@media (prefers-reduced-motion:reduce){.ss-lis::after{animation:none;display:none}}