/* KUGANTECH site enhancements (2026-09-16) */
.kugan-wa{position:fixed;right:20px;bottom:20px;z-index:9998;display:flex;align-items:center;gap:9px;background:#25D366;color:#fff;padding:12px 18px;border-radius:999px;box-shadow:0 10px 26px rgba(0,0,0,.4);font-weight:700;font-size:.95rem;text-decoration:none;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.kugan-wa svg{width:22px;height:22px;display:block;flex:0 0 auto}
.kugan-wa:hover{filter:brightness(1.06);color:#fff}
@media(max-width:640px){.kugan-wa{padding:13px;border-radius:50%}.kugan-wa span{display:none}}
.product-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-top:28px}
.product-gallery img{width:100%;height:auto;border-radius:12px;border:1px solid #2A2A2A;background:#fff;display:block}
.kugan-modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.72);display:none;align-items:center;justify-content:center;z-index:10000;padding:20px}
.kugan-modal-bg.open{display:flex}
.kugan-modal{background:#141414;border:1px solid #2A2A2A;border-radius:14px;max-width:440px;width:100%;padding:26px;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.kugan-modal h3{margin:0 0 6px;font-size:1.15rem}
.kugan-modal p{color:#9CA3AF;font-size:.9rem;margin:0 0 16px}
.kugan-modal input{width:100%;padding:11px 13px;margin-bottom:10px;border-radius:9px;border:1px solid #2A2A2A;background:#0F0F0F;color:#fff;font-size:.95rem;box-sizing:border-box}
.kugan-modal .row2{display:flex;gap:10px;margin-top:6px}
.kugan-modal button.primary{flex:1;background:#00C2FF;color:#001019;border:0;border-radius:9px;padding:12px;font-weight:700;cursor:pointer;font-size:.95rem}
.kugan-modal button.ghost{background:transparent;color:#9CA3AF;border:0;cursor:pointer;padding:12px}
.kugan-modal .msg{font-size:.88rem;margin-top:10px;min-height:18px}
.kugan-modal .msg.ok{color:#00E5B0}.kugan-modal .msg.err{color:#ff6b6b}