/* ============ SITE SEARCH (house style, zero-dependency) ============ */
.nav-search-btn{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;font:inherit;font-size:14px;font-weight:500;color:#4a4d53;background:#f5f6f8;border:1px solid #e1e3e8;border-radius:999px;cursor:pointer;line-height:1;transition:color .18s,border-color .18s,background .18s,box-shadow .18s;}
.nav-search-btn:hover{color:#14181f;border-color:#cdd0d6;background:#fff;box-shadow:0 4px 14px rgba(20,24,31,.07);}
.nav-search-btn svg{color:#0c8599;flex-shrink:0;}
.nav-search-btn kbd{font:inherit;font-size:11px;font-weight:600;color:#8a8f97;background:#fff;border:1px solid #e1e3e8;border-radius:5px;padding:1px 6px;margin-left:2px;}

html.rs-open{overflow:hidden;}
.rs-overlay{position:fixed;inset:0;z-index:3000;display:none;justify-content:center;align-items:flex-start;padding:12vh 20px 20px;background:rgba(15,20,18,.42);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;transition:opacity .16s ease;}
.rs-overlay.is-open{display:flex;opacity:1;}
.rs-modal{width:100%;max-width:620px;background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(15,20,18,.34);overflow:hidden;transform:translateY(-8px) scale(.985);transition:transform .18s cubic-bezier(.2,.8,.2,1);}
.rs-overlay.is-open .rs-modal{transform:none;}
.rs-bar{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid #eef0f2;}
.rs-mag{color:#0c8599;flex-shrink:0;}
.rs-input{flex:1;border:0;outline:0;font:inherit;font-size:17px;color:#1a1a1a;background:transparent;}
.rs-input::placeholder{color:#9aa0a8;}
.rs-esc{font:inherit;font-size:11px;font-weight:600;color:#8a8f97;background:#f5f6f8;border:1px solid #e7e7ea;border-radius:5px;padding:2px 7px;cursor:pointer;}
.rs-results{list-style:none;margin:0;padding:6px;max-height:56vh;overflow-y:auto;}
.rs-item{margin:0;}
.rs-item>a{display:block;padding:11px 14px;border-radius:10px;text-decoration:none;color:inherit;}
.rs-item.is-active>a{background:#f0f6f4;}
.rs-item.is-active{box-shadow:inset 3px 0 0 #0c8599;border-radius:10px;}
.rs-sec{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#b8431c;margin-bottom:3px;}
.rs-title{display:block;font-weight:700;font-size:16.5px;color:#1a1a1a;line-height:1.3;}
.rs-snippet{font-size:13px;color:#6a6f76;line-height:1.5;margin-top:3px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.rs-item mark{background:rgba(184,67,28,.16);color:#b8431c;border-radius:2px;padding:0 1px;}
.rs-empty{padding:28px 18px 34px;text-align:center;color:#8a8f97;font-size:15px;}
.rs-foot{display:flex;gap:18px;padding:11px 18px;border-top:1px solid #eef0f2;background:#fafbfc;font-size:12px;color:#9aa0a8;}
.rs-foot kbd{font:inherit;font-size:11px;font-weight:600;color:#6a6f76;background:#fff;border:1px solid #e1e3e8;border-radius:4px;padding:1px 5px;margin-right:2px;}
@media (max-width:720px){
  .nav-search-label,.nav-search-btn kbd{display:none;}
  .nav-search-btn{padding:8px;}
  .rs-overlay{padding:8vh 14px 14px;}
  .rs-foot{display:none;}
  .rs-results{max-height:64vh;}
}