/* Thiên Thư – W3FS Rules (Dark/Gold) */
.w3fs-wrap{max-width:1100px;margin:0 auto;padding:18px 14px 38px}
.w3fs-bc{font-size:14px;opacity:.9;margin:8px 0 14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.w3fs-bc a{color:#d8b45a;text-decoration:none;font-weight:700}
.w3fs-bc .sep{opacity:.55}
.w3fs-card{border-radius:22px;background:rgba(0,0,0,.74);border:1px solid rgba(216,180,90,.22);box-shadow:0 18px 42px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.05);overflow:hidden}
.w3fs-hero{position:relative;padding:clamp(18px,3vw,30px);margin-bottom:14px;background:
  radial-gradient(900px 420px at 18% 0%, rgba(216,180,90,.22), rgba(0,0,0,0) 60%),
  radial-gradient(700px 360px at 86% 18%, rgba(216,180,90,.14), rgba(0,0,0,0) 62%),
  linear-gradient(180deg, rgba(0,0,0,.80), rgba(0,0,0,.60));
}
.w3fs-hero::before{content:"";position:absolute;inset:-2px;border-radius:24px;background:linear-gradient(135deg,rgba(216,180,90,.52),rgba(216,180,90,.10),rgba(216,180,90,.34));filter:blur(10px);opacity:.32;pointer-events:none}
.w3fs-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(216,180,90,.24),rgba(216,180,90,0) 62%);pointer-events:none}
.w3fs-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border-radius:999px;font-size:12px;letter-spacing:.10em;text-transform:uppercase;color:rgba(243,230,195,.92);background:rgba(216,180,90,.10);border:1px solid rgba(216,180,90,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.05);margin-bottom:12px}
.w3fs-kicker::before{content:"✦";color:rgba(216,180,90,.92);font-size:13px}
.w3fs-hero h1{margin:0 0 10px;font-size:clamp(26px,3.2vw,42px);line-height:1.12;color:#f3e6c3;text-shadow:0 10px 26px rgba(0,0,0,.55)}
.w3fs-hero p{margin:0;max-width:920px;font-size:clamp(14px,1.3vw,16px);line-height:1.75;color:rgba(255,255,255,.82)}
.w3fs-hero p strong{color:rgba(216,180,90,.95);font-weight:800}
.w3fs-lead{margin-top:4px}
.w3fs-quick{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.w3fs-quick__label{color:rgba(255,255,255,.72);font-size:14px;font-weight:700}
.w3fs-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 14px;border-radius:14px;font-weight:800;text-decoration:none;line-height:1;user-select:none;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease,background .15s ease;border:1px solid rgba(216,180,90,.24);background:rgba(255,255,255,.03);color:rgba(243,230,195,.94);box-shadow:0 10px 22px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.05)}
.w3fs-btn.secondary{background:linear-gradient(180deg,rgba(216,180,90,.16),rgba(216,180,90,.06));border-color:rgba(216,180,90,.30)}
.w3fs-btn.secondary::after{content:"→";font-weight:900;opacity:.9}
.w3fs-btn:hover{transform:translateY(-1px);border-color:rgba(216,180,90,.55);box-shadow:0 18px 34px rgba(0,0,0,.40),0 0 0 3px rgba(216,180,90,.10), inset 0 1px 0 rgba(255,255,255,.06)}
.w3fs-btn:active{transform:translateY(0)}
.w3fs-badge{font-size:12px;border-radius:999px;padding:6px 10px;background:rgba(216,180,90,.12);border:1px solid rgba(216,180,90,.25);color:#f3e6c3;font-weight:800}
.w3fs-badge.is-ghost{background:transparent;color:rgba(255,255,255,.80)}
.w3fs-badge.is-prio{border-color:rgba(120,255,180,.25);background:rgba(120,255,180,.08)}
.w3fs-rule{padding:16px}
.w3fs-rule__body{padding:6px 6px 2px}
.w3fs-rule h2{margin:18px 0 10px;font-size:18px;color:#f3e6c3}
.w3fs-text{color:rgba(255,255,255,.80);line-height:1.75}
.w3fs-ul{margin:0;padding-left:18px;color:rgba(255,255,255,.80);line-height:1.75}
.w3fs-ul li{margin:6px 0}
.w3fs-summary{margin-top:14px;padding:16px}
.w3fs-summary__title{margin:0 0 10px;color:#f3e6c3;font-size:20px}
.w3fs-srow{display:grid;grid-template-columns:180px 1fr;gap:12px;padding:12px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(216,180,90,.12);margin:10px 0}
.w3fs-slabel{color:rgba(216,180,90,.92);font-weight:900}
.w3fs-sval{color:rgba(255,255,255,.82);line-height:1.7}
.w3fs-grid{margin-top:14px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.w3fs-item{padding:14px}
.w3fs-item__top{min-height:140px}
.w3fs-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.w3fs-h3{margin:0 0 8px;font-size:18px}
.w3fs-h3 a{color:#f3e6c3;text-decoration:none}
.w3fs-h3 a:hover{text-decoration:underline}
.w3fs-sub{margin:0;color:rgba(255,255,255,.78);line-height:1.6}
.w3fs-item__bottom{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.w3fs-mini{color:rgba(255,255,255,.72);font-size:13px;line-height:1.6;max-width:720px}
.w3fs-filters{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.w3fs-filter{min-width:220px;flex:1}
.w3fs-filter label{display:block;font-size:12px;color:rgba(255,255,255,.72);margin:0 0 6px;font-weight:800}
.w3fs-filter select,.w3fs-filter input{width:100%;height:42px;border-radius:12px;border:1px solid rgba(216,180,90,.22);background:rgba(0,0,0,.55);color:#fff;padding:0 12px;outline:none}
.w3fs-filter select:focus,.w3fs-filter input:focus{border-color:rgba(216,180,90,.55);box-shadow:0 0 0 3px rgba(216,180,90,.12)}
.w3fs-empty{padding:16px;color:rgba(255,255,255,.80)}
@media (max-width: 980px){.w3fs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width: 640px){
  .w3fs-grid{grid-template-columns:1fr}
  .w3fs-srow{grid-template-columns:1fr}
  .w3fs-btn{width:100%;justify-content:space-between}
  .w3fs-quick{align-items:stretch}
}