    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif);
      background: var(--bg, #F3F4F6);
      color: var(--text, #1F2937);
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }
    body[data-theme="dark"] {
      --bg: #0f0f1a;
      --bg-card: #1a1a2e;
      --text: #e5e7eb;
      --text-secondary: #9ca3af;
      --border: #2d2d44;
      --tag-bg: rgba(255,102,0,0.15);
    }

    /* ── 顶部导航 ── */
    .offer-header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: var(--bg-card, #fff);
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid var(--border, #E5E7EB);
    }
    .offer-header .back-btn {
      width: 36px; height: 36px;
      display: flex; align-items: center; justify-content: center;
      border-radius: 50%;
      font-size: 20px;
      background: var(--bg, #F3F4F6);
      cursor: pointer;
      border: none;
      color: var(--text, #1F2937);
      flex-shrink: 0;
    }
    .offer-header .back-btn:active { opacity: 0.6; }
    .offer-header h1 {
      flex: 1;
      font-size: 17px;
      font-weight: 700;
      text-align: center;
      margin-right: 36px;
    }

    /* ── 内容区域 ── */
    .offer-content { padding: 16px; max-width: 480px; margin: 0 auto; }

    /* ── 公司卡片 ── */
    .company-card {
      background: var(--bg-card, #fff);
      border-radius: var(--radius-xl, 16px);
      padding: 20px;
      text-align: center;
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.06));
    }
    .company-card .company-logo {
      width: 64px; height: 64px;
      border-radius: 16px;
      background: var(--primary-bg, #FFF5EB);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      margin-bottom: 12px;
    }
    .company-card .company-name {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .company-card .company-industry {
      font-size: 12px;
      color: var(--text-secondary, #6B7280);
    }

    /* ── Offer信息卡片 ── */
    .offer-detail-card {
      background: var(--bg-card, #fff);
      border-radius: var(--radius-xl, 16px);
      padding: 20px;
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.06));
    }
    .offer-detail-card .section-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border, #E5E7EB);
    }
    .offer-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      padding: 10px 0;
      border-bottom: 1px solid var(--border-light, #F3F4F6);
    }
    .offer-row:last-child { border-bottom: none; }
    .offer-row .label {
      font-size: 13px;
      color: var(--text-secondary, #6B7280);
      flex-shrink: 0;
      min-width: 72px;
    }
    .offer-row .value {
      font-size: 14px;
      font-weight: 600;
      text-align: right;
      flex: 1;
    }
    .offer-row .value.salary {
      color: var(--primary, #FF6600);
      font-size: 20px;
      font-weight: 900;
    }
    .offer-row .value.status-accepted { color: var(--success, #10B981); }
    .offer-row .value.status-rejected { color: var(--danger, #EF4444); }
    .offer-row .value.status-pending { color: var(--warning, #F59E0B); }

    /* ── Offer状态标签 ── */
    .offer-status-badge {
      display: inline-block;
      padding: 4px 14px;
      border-radius: var(--radius-pill, 9999px);
      font-size: 12px;
      font-weight: 600;
    }
    .offer-status-badge.pending { background: var(--warning-light, #FEF3C7); color: var(--warning-dark, #D97706); }
    .offer-status-badge.accepted { background: var(--success-light, #D1FAE5); color: var(--success-dark, #059669); }
    .offer-status-badge.rejected { background: var(--danger-light, #FEE2E2); color: var(--danger-dark, #DC2626); }
    .offer-status-badge.expired { background: var(--border, #E5E7EB); color: var(--text-muted, #9CA3AF); }

    /* ── 备注区 ── */
    .offer-note {
      background: var(--primary-bg, #FFF5EB);
      border-radius: var(--radius, 8px);
      padding: 14px;
      margin-bottom: 12px;
      font-size: 12px;
      line-height: 1.7;
      color: var(--text-secondary, #6B7280);
    }
    .offer-note strong { color: var(--text, #1F2937); }

    /* ── 操作按钮 ── */
    .offer-actions {
      display: flex;
      gap: 12px;
      padding: 12px 0 24px;
    }
    .offer-actions .btn {
      flex: 1;
      padding: 14px 0;
      border-radius: var(--radius-lg, 12px);
      font-size: 15px;
      font-weight: 700;
      border: none;
      cursor: pointer;
      transition: all 0.2s;
      text-align: center;
    }
    .offer-actions .btn:active { transform: scale(0.97); }
    .offer-actions .btn.btn-reject {
      background: var(--bg, #F3F4F6);
      color: var(--text-secondary, #6B7280);
      border: 1.5px solid var(--border, #E5E7EB);
    }
    .offer-actions .btn.btn-accept {
      background: var(--primary, linear-gradient(135deg, var(--primary) 0%, #E05500 100%));
      color: #fff;
      box-shadow: var(--shadow-orange, 0 4px 14px rgba(255,102,0,0.25));
    }
    .offer-actions .btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    /* ── 确认弹窗 ── */
    .modal-overlay {
      position: fixed; top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,0.4);
      z-index: 100;
      display: none;
      align-items: center;
      justify-content: center;
      animation: fadeIn .2s;
    }
    .modal-overlay.show { display: flex; }
    .modal-box {
      background: var(--bg-card, #fff);
      border-radius: var(--radius-xl, 16px);
      width: 300px;
      padding: 24px 20px 16px;
      text-align: center;
    }
    .modal-box .modal-icon { font-size: 40px; margin-bottom: 8px; }
    .modal-box .modal-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
    .modal-box .modal-desc { font-size: 13px; color: var(--text-secondary, #6B7280); margin-bottom: 20px; line-height: 1.5; }
    .modal-box .modal-actions { display: flex; gap: 10px; }
    .modal-box .modal-actions button {
      flex: 1;
      padding: 11px 0;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      border: none;
      cursor: pointer;
    }
    .modal-box .modal-actions .btn-cancel {
      background: var(--bg, #F3F4F6);
      color: var(--text-secondary, #6B7280);
      border: 1.5px solid var(--border, #E5E7EB);
    }
    .modal-box .modal-actions .btn-confirm {
      background: var(--primary, #FF6600);
      color: #fff;
    }
    .modal-box .modal-actions .btn-confirm.danger {
      background: var(--danger, #EF4444);
    }

    /* ── Toast ── */
    .toast-container {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 200;
      pointer-events: none;
    }
    .toast {
      background: #333;
      color: #fff;
      padding: 12px 24px;
      border-radius: 12px;
      font-size: 14px;
      text-align: center;
      animation: tkfade .25s;
      box-shadow: 0 4px 16px rgba(0,0,0,.15);
      margin-bottom: 8px;
    }
    .toast.success { background: #10B981; }
    .toast.error { background: #EF4444; }
    .toast.info { background: #333; }

    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
    @keyframes tkfade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

    /* ── 加载骨架 ── */
    .skeleton {
      background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
      background-size: 200% 100%;
      animation: shimmer 1.5s infinite;
      border-radius: 6px;
    }
    body[data-theme="dark"] .skeleton {
      background: linear-gradient(90deg, #1e1e30 25%, #2a2a40 50%, #1e1e30 75%);
      background-size: 200% 100%;
    }
    @keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

    .loading-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 60px 20px;
    }
    .loading-state .spinner {
      width: 32px; height: 32px;
      border: 3px solid var(--border, #E5E7EB);
      border-top-color: var(--primary, #FF6600);
      border-radius: 50%;
      animation: tk-spin .8s linear infinite;
      margin-bottom: 12px;
    }
    @keyframes tk-spin { to { transform: rotate(360deg); } }
