/* 团购验券弹窗 */
    .gb-overlay {
      position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,.45); z-index: 10000;
      display: flex; align-items: center; justify-content: center;
    }
    .gb-box {
      background: #fff; border-radius: 8px;
      width: 520px; max-height: 640px;
      display: flex; flex-direction: column;
      box-shadow: 0 4px 24px rgba(0,0,0,.15);
    }
    .gb-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 16px 20px; border-bottom: 1px solid #e8eaf2; flex-shrink: 0;
    }
    .gb-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
    .gb-close {
      width: 28px; height: 28px; border: none; background: none;
      cursor: pointer; font-size: 18px; color: var(--text-muted);
      display: flex; align-items: center; justify-content: center;
      border-radius: 4px; transition: all .15s;
    }
    .gb-close:hover { background: #f5f5f5; color: var(--text-primary); }
    .gb-body { flex: 1; overflow-y: auto; padding: 16px 20px; }
    .gb-input-row {
      display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
    }
    .gb-input-row input {
      flex: 1; height: 36px; border: 1px solid #d9d9d9; border-radius: 4px;
      padding: 0 12px; font-size: 14px; outline: none;
    }
    .gb-input-row input:focus { border-color: var(--brand); }
    .gb-input-row input::placeholder { color: #bfbfbf; }
    .gb-input-row .gb-btn-query {
      height: 36px; padding: 0 20px; border: none; border-radius: 4px;
      background: var(--brand); color: #fff; font-size: 13px;
      cursor: pointer; white-space: nowrap; transition: background .15s;
    }
    .gb-input-row .gb-btn-query:hover { background: #3d9b73; }
    .gb-input-row .gb-btn-query:disabled { background: #bfbfbf; cursor: not-allowed; }
    .gb-status {
      text-align: center; padding: 40px 0; color: var(--text-muted); font-size: 14px;
    }
    .gb-status svg { width: 48px; height: 48px; color: #d9d9d9; margin-bottom: 8px; }
    .gb-result { border: 1px solid #e8eaf2; border-radius: 8px; overflow: hidden; }
    .gb-result-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 16px; background: #f9fafb; border-bottom: 1px solid #e8eaf2;
    }
    .gb-result-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
    .gb-result-badge {
      font-size: 12px; padding: 2px 8px; border-radius: 10px;
      background: #e8f5ee; color: var(--brand);
    }
    .gb-result-badge.type-pick { background: #fff7e6; color: #fa8c16; }
    .gb-result-badge.type-voucher { background: #eaf3ff; color: #2f6fb0; }
    .gb-voucher-card {
      border: 1px solid #b7e3c8;
      border-radius: 10px;
      overflow: hidden;
      background: linear-gradient(135deg, #f0fbf5 0%, #fffaf0 100%);
      box-shadow: 0 2px 10px rgba(61,155,115,.12);
    }
    .gb-voucher-main {
      display: flex; align-items: center; justify-content: space-between;
      gap: 16px;
      padding: 18px 18px 12px;
    }
    .gb-voucher-name { font-size: 16px; font-weight: 700; color: var(--text-primary); }
    .gb-voucher-desc { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
    .gb-voucher-amount {
      flex-shrink: 0;
      text-align: right;
      color: #e8582f;
      font-size: 30px;
      font-weight: 800;
      line-height: 1;
    }
    .gb-voucher-amount span { font-size: 13px; font-weight: 600; color: #ad6800; display: block; margin-top: 5px; }
    .gb-voucher-meta {
      padding: 10px 18px 14px;
      border-top: 1px dashed #b7e3c8;
      display: grid;
      gap: 6px;
      font-size: 12px;
      color: var(--text-secondary);
    }
    .gb-voucher-meta b { color: var(--text-primary); font-weight: 600; }
    .gb-items { padding: 12px 16px; }
    .gb-item {
      display: flex; align-items: center; gap: 12px;
      padding: 10px 0; border-bottom: 1px solid #f0f0f0;
    }
    .gb-item:last-child { border-bottom: none; }
    .gb-item-emoji {
      width: 36px; height: 36px; border-radius: 6px;
      background: #f5f5f5; display: flex; align-items: center;
      justify-content: center; font-size: 18px; flex-shrink: 0;
    }
    .gb-item-info { flex: 1; min-width: 0; }
    .gb-item-name { font-size: 13px; color: var(--text-primary); font-weight: 500; }
    .gb-item-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
    .gb-item-price { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
    .gb-item-price .gb-zero { color: var(--brand); font-weight: 600; }
    .gb-pick-group { margin-bottom: 12px; }
    .gb-pick-label {
      font-size: 13px; color: var(--text-primary); font-weight: 500;
      margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
    }
    .gb-pick-label span { font-size: 12px; color: var(--text-muted); font-weight: 400; }
    .gb-pick-options { display: flex; flex-direction: column; gap: 6px; }
    .gb-pick-option {
      display: flex; align-items: center; gap: 10px;
      padding: 8px 12px; border: 1px solid #e8eaf2; border-radius: 6px;
      cursor: pointer; transition: all .15s;
    }
    .gb-pick-option:hover { border-color: var(--brand-light); }
    .gb-pick-option.selected { border-color: var(--brand); background: #f0faf4; }
    .gb-pick-option .gb-pick-radio {
      width: 16px; height: 16px; border-radius: 50%; border: 2px solid #d9d9d9;
      flex-shrink: 0; display: flex; align-items: center; justify-content: center;
      transition: all .15s;
    }
    .gb-pick-option.selected .gb-pick-radio {
      border-color: var(--brand);
    }
    .gb-pick-option.selected .gb-pick-radio::after {
      content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
    }
    .gb-pick-emoji { font-size: 16px; }
    .gb-pick-info { flex: 1; }
    .gb-pick-name { font-size: 13px; color: var(--text-primary); }
    .gb-pick-sub { font-size: 12px; color: var(--text-muted); }
    .gb-pick-price { font-size: 12px; color: var(--text-muted); }
    .gb-footer {
      display: flex; align-items: center; justify-content: flex-end; gap: 10px;
      padding: 12px 20px; border-top: 1px solid #e8eaf2; flex-shrink: 0;
    }
    .gb-footer .gb-btn {
      height: 34px; padding: 0 20px; border-radius: 4px; font-size: 13px;
      cursor: pointer; transition: all .15s;
    }
    .gb-footer .gb-btn-cancel {
      border: 1px solid #d9d9d9; background: #fff; color: var(--text-secondary);
    }
    .gb-footer .gb-btn-cancel:hover { border-color: var(--brand); color: var(--brand); }
    .gb-footer .gb-btn-confirm {
      border: 1px solid var(--brand); background: var(--brand); color: #fff;
    }
    .gb-footer .gb-btn-confirm:hover { background: #3d9b73; }
    .gb-footer .gb-btn-confirm:disabled { background: #bfbfbf; border-color: #bfbfbf; cursor: not-allowed; }
    .gb-coupon-info {
      display: flex; align-items: center; gap: 8px;
      padding: 8px 12px; background: #fff7e6; border-radius: 6px;
      margin-bottom: 12px; font-size: 13px; color: #ad6800;
    }