.media-thumb{
    width:80px;
    height:60px;
    object-fit:cover;
    border:1px solid #e5e7eb;
    border-radius:6px;
    cursor:pointer;
    transition:.15s;
  }
  .media-thumb:hover,
  .media-thumb.active{
    border-color:#0d6efd;
    box-shadow:0 0 0 2px rgba(13,110,253,.25);
  }

  .user-avatar{
    width:32px;height:32px;border-radius:50%;
    background-color:#4caf50;color:#fff;display:flex;
    justify-content:center;align-items:center;font-weight:700;
  }
  .nav-item.dropdown .dropdown-toggle::after{display:none;}
  .nav-link{display:flex;align-items:center;}
  .product-image{max-width:100%;height:auto;}
  .note-text{color:red;font-style:italic;margin:20px 0;}
  .main-container{padding:20px 0;}
  .bottomline{border-bottom:3px solid #2f6fb0;} /* 柔和一点 */

  /* 按钮颜色：Add to Cart 保持 bootstrap primary；Compare 更深灰 */
  .btn-orange{background-color:#ff8c00;border-color:#ff8c00;color:#fff;}
  .btn-orange:hover{background-color:#e67e00;border-color:#d16900;color:#fff;}

  .btn-compare{background-color:#6c757d;border-color:#6c757d;color:#fff;}
  .btn-compare:hover{background-color:#5c636a;border-color:#565e64;color:#fff;}

  /* Disabled qty selects: show value visually but block interaction */
  select.opt-qty:disabled {
    color: #212529 !important;
    opacity: 0.6;
    -webkit-text-fill-color: #212529;
  }

  /* 配置菜单：柔和蓝 */
  .cfg-section{
    background-color:#2f6fb0;
    color:#fff;padding:14px 15px;margin-bottom:2px;
    cursor:pointer;user-select:none;border-radius:6px;
  }
  .cfg-section:hover{background-color:#275f96;}
  .cfg-content{
    background-color:#f8f9fa;padding:14px 15px;border:1px solid #dee2e6;
    display:none;border-radius:0 0 6px 6px;
  }
  .cfg-content.show{display:block;}
  .toggle-icon{float:right;transition:transform .25s;}
  .toggle-icon.rotated{transform:rotate(180deg);}

  .cfg-opt-name{font-weight:600;}
  .cfg-price{font-weight:600;white-space:nowrap;}

  /* 选中项：字橙色（不染背景） */
  tr.cfg-selected td{
    background:transparent !important;
    color:#e67e00 !important;
    font-weight:600;
  }
  tr.cfg-selected .cfg-price{ color:#e67e00 !important; }

  /* sticky bar */
  .sticky-config-bar{
    position:sticky;
    top:0;
    z-index:1019;
    background:#fff;
    border-bottom:1px solid #e5e7eb;
  }
  .sticky-config-inner{
    display:flex;
    align-items:center;
    gap:16px;
    padding:10px 12px;
  }
  .sticky-breadcrumb{
    font-size:15px;
    color:#666;
    white-space:nowrap;
  }
  .sticky-breadcrumb a{
    color:#0d6efd;
    text-decoration:none;
  }
  .sticky-breadcrumb strong{
    color:#222;
    font-weight:600;
  }
  .sticky-price{
    margin-left:auto;
    font-size:30px;
    font-weight:800;
    color:#363837;
    white-space:nowrap;
  }
  .sticky-actions .btn{ white-space:nowrap; }