.bt-buybox{margin:24px 0;padding:20px;border-radius:20px;background:#fff;box-shadow:0 6px 28px rgba(20,40,80,.12);max-width:460px;font-family:inherit;color:#1a2233}
.bt-buybox *{box-sizing:border-box}
.bt-bb-title{font-size:13px;font-weight:600;margin-bottom:10px;opacity:.7}
.bt-vars{display:flex;flex-direction:column;gap:8px}
.bt-var{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:2px solid #dfe6f0;border-radius:14px;background:#fff;cursor:pointer;font:inherit;font-size:14px;text-align:left;color:inherit}
.bt-var.on{border-color:#00a6ff;background:#f0f9ff}
.bt-var b{font-size:16px;white-space:nowrap}
.bt-row{display:flex;gap:12px;align-items:center;margin-top:14px;flex-wrap:wrap}
.bt-qty{display:inline-flex;align-items:center;border:2px solid #dfe6f0;border-radius:14px;overflow:hidden}
.bt-qty button{width:38px;height:44px;border:0;background:#f4f7fb;font-size:20px;cursor:pointer;color:#1a2233}
.bt-qty span{min-width:36px;text-align:center;font-weight:600}
.bt-buy{flex:1;min-width:160px;height:48px;border:0;border-radius:14px;background:#00a6ff;color:#fff;font:inherit;font-size:16px;font-weight:600;cursor:pointer}
.bt-buy:hover{background:#0092e0}
.bt-added{margin-top:10px;font-size:14px;display:none}
.bt-added a{color:#0077c8;font-weight:600}
.bt-note{margin-top:10px;font-size:12px;opacity:.6}
.bt-fab{position:fixed;right:18px;bottom:18px;z-index:9999;display:none;align-items:center;gap:8px;padding:12px 18px;border-radius:30px;background:#00a6ff;color:#fff!important;font-weight:600;font-size:15px;text-decoration:none;box-shadow:0 8px 24px rgba(0,120,200,.35)}
.bt-fab i{font-style:normal;background:#fff;color:#0077c8;border-radius:12px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;padding:0 6px}
.bt-cartwrap{max-width:880px;margin:0 auto;padding:40px 16px 70px;color:#1a2233}
.bt-cartwrap h1{font-size:34px;margin-bottom:24px}
.bt-item{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid #e3e9f2;flex-wrap:wrap}
.bt-item .nm{flex:1 1 260px;font-weight:600}
.bt-item .pr{min-width:90px;text-align:right;font-weight:600}
.bt-item .rm{border:0;background:none;color:#c0392b;cursor:pointer;font-size:13px}
.bt-total{display:flex;justify-content:space-between;font-size:20px;font-weight:700;padding:18px 0}
.bt-form{display:grid;gap:12px;margin-top:10px}
.bt-form input[type=text],.bt-form input[type=tel],.bt-form input[type=email],.bt-form textarea{width:100%;padding:13px 14px;border:2px solid #dfe6f0;border-radius:12px;font:inherit;font-size:15px}
.bt-form label.ck{display:flex;gap:10px;font-size:13px;line-height:1.4;align-items:flex-start}
.bt-form label.ck input{margin-top:3px}
.bt-err{color:#c0392b;font-size:14px;min-height:20px}
.bt-empty{padding:30px 0;font-size:17px}
.bt-info{background:#f0f9ff;border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.45}
@media(max-width:480px){.bt-cartwrap h1{font-size:26px}}
.bt-hdr{display:inline-flex;align-items:center;gap:6px;margin-left:14px;padding:8px 14px;border:2px solid #00a6ff;border-radius:24px;color:#0077c8!important;font-weight:600;font-size:14px;line-height:1;text-decoration:none;white-space:nowrap;align-self:center}
.bt-hdr:hover{background:#f0f9ff}
.bt-hdr i{font-style:normal;background:#00a6ff;color:#fff;border-radius:11px;min-width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;padding:0 6px}
.bt-hdr i.zero{background:#cfd9e6}
@media(max-width:991px){.bt-hdr{margin-left:auto;margin-right:10px;padding:7px 10px}.bt-hdr .lb{display:none}}