/* N6 particle-size grade selector — shared across all product series pages */
.n6-size{background:#fff;border-top:1px solid #e4e8ec;padding:64px 0 76px;}
.n6-size .sec-h{font-size:26px;font-weight:700;color:#0c2233;margin-bottom:6px;}
.n6-size .sec-s{color:#5b6770;font-size:15px;margin-bottom:34px;max-width:680px;}
.n6-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.n6-card{border:1px solid #e4e8ec;border-radius:14px;padding:22px 22px 24px;background:#fff;cursor:pointer;transition:.18s;position:relative;display:flex;flex-direction:column;}
.n6-card:hover{box-shadow:0 10px 30px rgba(12,34,51,.10);transform:translateY(-3px);border-color:#bcd4ec;}
.n6-card.active{border-color:#1a6fc4;box-shadow:0 10px 30px rgba(26,111,196,.18);}
.n6-card.active::after{content:"\2713";position:absolute;top:14px;right:16px;width:22px;height:22px;border-radius:50%;background:#1a6fc4;color:#fff;font-size:13px;line-height:22px;text-align:center;font-weight:700;}
.n6-badge{display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:#1a6fc4;background:#eaf2fb;padding:5px 12px;border-radius:999px;width:fit-content;margin-bottom:14px;}
.n6-d50{font-size:34px;font-weight:800;color:#0c2233;line-height:1.1;margin-bottom:2px;}
.n6-unit{font-size:15px;color:#5b6770;font-weight:600;margin-bottom:14px;}
.n6-tap{font-size:12px;color:#1a6fc4;font-weight:600;}
.n6-detail{margin-top:26px;border:1px solid #e4e8ec;border-radius:14px;background:#f9fbfd;padding:22px 24px;animation:fade .2s ease;}
.n6-detail-head{display:flex;align-items:baseline;gap:12px;margin-bottom:8px;}
.n6-detail-grade{font-size:18px;font-weight:700;color:#1a6fc4;}
.n6-detail-range{font-size:14px;color:#5b6770;font-weight:600;}
.n6-detail-txt{font-size:14px;color:#1f2933;line-height:1.6;margin-bottom:14px;}
.n6-detail-cta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.n6-detail-label{font-size:13px;color:#5b6770;font-weight:600;}
.n6-series-wrap{display:flex;flex-wrap:wrap;gap:7px;}
.n6-series{font-size:13px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #1a6fc4;color:#1a6fc4;font-weight:600;transition:.15s;text-decoration:none;}
.n6-series:hover{background:#1a6fc4;color:#fff;}
.n6-quote{font-size:14px;padding:8px 18px;border-radius:8px;background:#1a6fc4;color:#fff;font-weight:600;margin-left:auto;text-decoration:none;}
.n6-quote:hover{background:#155a9e;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.n6-detail[style*="display: block"]{display:block!important;}
@media(max-width:980px){.n6-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:760px){.n6-grid{grid-template-columns:1fr;}.n6-quote{margin-left:0;}}