.rnz-knowledgebase{--kb-blue:#000;--kb-orange:#196efd;color:#202223;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.rnz-kb-search{display:flex;align-items:center;gap:12px;max-width:720px;margin:0 auto 24px;padding:0 18px;border:1px solid #c9cccf;border-radius:12px;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.08)}
.rnz-kb-search:focus-within{border-color:var(--kb-blue);box-shadow:0 0 0 3px rgba(0,0,0,.1)}
.rnz-kb-search svg{width:22px;fill:none;stroke:var(--kb-blue);stroke-width:2}
.rnz-kb-search input{width:100%;padding:17px 0;border:0!important;outline:0!important;background:transparent;font-size:16px;box-shadow:none!important}
.rnz-kb-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:0 auto 30px;padding-bottom:6px}
.rnz-kb-filters button{flex:0 0 auto;padding:9px 15px;border:1px solid #d8dadd;border-radius:999px;background:#fff;color:#454f5b;font-weight:600;cursor:pointer}
.rnz-kb-filters button.active,.rnz-kb-filters button:hover{border-color:var(--kb-blue);background:var(--kb-blue);color:#fff}
.rnz-kb-results{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:24px}
.rnz-kb-group{width:100%;box-sizing:border-box;align-self:start;padding:24px;border:1px solid #e1e3e5;border-radius:16px;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.rnz-kb-category-label{margin:0 0 5px;color:var(--kb-orange);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.rnz-kb-group h3{margin:0 0 14px;color:var(--kb-blue);font-size:20px}
.rnz-kb-item{border-top:1px solid #e8eaed}
.rnz-kb-item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;list-style:none;color:#202223;font-weight:600;cursor:pointer}
.rnz-kb-item summary::-webkit-details-marker{display:none}
.rnz-kb-item summary i{position:relative;flex:0 0 18px;width:18px;height:18px}
.rnz-kb-item summary i:before,.rnz-kb-item summary i:after{content:"";position:absolute;top:8px;left:2px;width:14px;height:2px;background:var(--kb-blue);transition:transform .2s}
.rnz-kb-item summary i:after{transform:rotate(90deg)}
.rnz-kb-item[open] summary i:after{transform:rotate(0)}
.rnz-kb-answer{padding:0 28px 17px 0;color:#59636e;font-size:14px;line-height:1.65}
.rnz-kb-answer>:last-child{margin-bottom:0}
.rnz-kb-empty{text-align:center;color:#6d7175;padding:35px}
@media(max-width:767px){.rnz-kb-results{grid-template-columns:minmax(0,1fr)}.rnz-kb-group{padding:18px}.rnz-kb-search{margin-bottom:18px}.rnz-kb-group h3{font-size:18px}}