body { margin: 0; font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; background: #f9f9f9; }
    .page-header {
      display: flex;
      align-items: center;
      background-color: #ffffff;
      padding: 16px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 99;
    }
    .page-header i {
      font-size: 20px;
      margin-right: 12px;
      color: #ff6f00;
      cursor: pointer;
    }
    .page-header h1 {
      font-size: 20px;
      margin: 0;
      color: #333;
    }
    .restaurant-box {
      background: linear-gradient(to bottom, #ffffff, #f9f9f9);
      margin: 15px;
      padding: 20px;
      border-radius: 16px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .rest-title {
      font-size: 20px;
      font-weight: bold;
      color: #222;
    }
    .rest-info {
      font-size: 14px;
      color: #555;
      margin: 4px 0;
      line-height: 1.5;
    }
    .section-title {
      padding: 12px 15px;
      font-weight: bold;
      background: #fff;
      font-size: 16px;
    }
    .product-box {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      background: #fff;
      margin: 10px 15px;
      padding: 15px;
      border-radius: 12px;
      box-shadow: 0 0 5px rgba(0,0,0,0.05);
    }
    .product-left { width: 60%; }
    .item-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
    .item-price { font-size: 15px; font-weight: 500; color: #333; margin-bottom: 4px; }
    .item-desc {
      font-size: 13px;
      color: #666;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      cursor: pointer;
      transition: all 0.3s ease;
      max-height: 3.5em;
    }
    .item-desc.expanded {
      -webkit-line-clamp: unset;
      max-height: none;
    }
    .product-right { width: 15%; text-align: center; }
    .product-right img {
      width: 80px;
      height: auto;
      border-radius: 8px;
      object-fit: contain;
      border: 1px solid #ccc;
      padding: 4px;
      background: #fff;
    }
    .add-btn {
      background: #00a859;
      color: white;
      border: none;
      width: 90px;
      padding: 6px 0;
      font-size: 13px;
      border-radius: 7px;
      text-align: center;
      cursor: pointer;
      display: block;
      margin: 2px auto 0;
      line-height: 1.2;
    }
    .qty-box {
      display: flex;
      justify-content: center;
      align-items: center;
      background: #fff;
      border: 1px solid #ccc;
      border-radius: 7px;
      overflow: hidden;
      width: 90px;
      margin: 0 auto;
    }
    .qty-box button {
      background: none;
      border: none;
      font-size: 18px;
      width: 30px;
      height: 30px;
      cursor: pointer;
    }
    .qty-box span {
      padding: 0 12px;
      font-size: 14px;
    }
    .cart-bar {
      position: fixed;
      bottom: 15px;
      left: 15px;
      right: 15px;
      background: #00a859;
      color: white;
      padding: 10px 15px;
      display: none;
      justify-content: space-between;
      align-items: center;
      z-index: 999;
      border-radius: 16px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    }
    .cart-left { font-size: 15px; font-weight: bold; display: flex; gap:6px; flex-wrap: wrap; }
    .cart-right button {
      background: white;
      color: #00a859;
      border: none;
      border-radius: 25px;
      padding: 10px 20px;
      font-size: 15px;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 6px;
      cursor: pointer;
    }
    .license, .bottom-address {
      font-size: 13px;
      color: gray;
      text-align: center;
      margin: 10px 0 70px;
    }
    @media (max-width: 600px) {
      .product-box { flex-direction: row; }
      .product-left { width: 55%; }
      .product-right { width: 40%; }
    }
    .disabled {
      opacity: 0.6;
      pointer-events: none;
    }